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 <script type="text/ecmascript"><![CDATA[


/*****
* @licstart
*
* The following is the license notice for the part of JavaScript code of this
* page included between the '@jessyinkstart' and the '@jessyinkend' notes.
*/

/*****  ******************************************************************
*
* Copyright 2008-2013 Hannes Hochreiner
*
* The JavaScript code included between the start note '@jessyinkstart'
* and the end note '@jessyinkend' is subject to the terms of the Mozilla
* Public License, v. 2.0. If a copy of the MPL was not distributed with
* this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Alternatively, you can redistribute and/or that part of this file
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see http://www.gnu.org/licenses/.
*/

/*****
*  You can find the complete source code of the JessyInk project at:
*  @source http://code.google.com/p/jessyink/
*/

/*****
* @licend
*
* The above is the license notice for the part of JavaScript code of this
* page included between the '@jessyinkstart' and the '@jessyinkend' notes.
*/


/*****
* @jessyinkstart
*
*  The following code is a derivative work of some parts of the JessyInk
*  project.
*  @source http://code.google.com/p/jessyink/
*/

function getElementsByProperty( node, name )
{
var elements = [];

if( node.getAttribute( name ) )
elements.push( node );

for( var counter = 0; counter < node.childNodes.length; ++counter )
{
if( node.childNodes[counter].nodeType == 1 )
{
var subElements = getElementsByProperty( node.childNodes[counter], name );
elements = elements.concat( subElements );
}
}
return elements;
}

function onKeyDown( aEvt )
{
if ( !aEvt )
aEvt = window.event;

var code = aEvt.keyCode || aEvt.charCode;

if( !processingEffect && keyCodeDictionary[currentMode] && keyCodeDictionary[currentMode][code] )
{
return keyCodeDictionary[currentMode][code]();
}
else
{
document.onkeypress = onKeyPress;
return null;
}
}
document.onkeydown = onKeyDown;

function onKeyPress( aEvt )
{
document.onkeypress = null;

if ( !aEvt )
aEvt = window.event;

var str = String.fromCharCode( aEvt.keyCode || aEvt.charCode );

if ( !processingEffect && charCodeDictionary[currentMode] && charCodeDictionary[currentMode][str] )
return charCodeDictionary[currentMode][str]();

return null;
}

function getDefaultKeyCodeDictionary()
{
var keyCodeDict = {};

keyCodeDict[SLIDE_MODE] = {};
keyCodeDict[INDEX_MODE] = {};

keyCodeDict[SLIDE_MODE][LEFT_KEY]
= function() { return aSlideShow.rewindEffect(); };
keyCodeDict[SLIDE_MODE][RIGHT_KEY]
= function() { return dispatchEffects(1); };
keyCodeDict[SLIDE_MODE][UP_KEY]
= function() { return aSlideShow.rewindEffect(); };
keyCodeDict[SLIDE_MODE][DOWN_KEY]
= function() { return skipEffects(1); };
keyCodeDict[SLIDE_MODE][PAGE_UP_KEY]
= function() { return aSlideShow.rewindAllEffects(); };
keyCodeDict[SLIDE_MODE][PAGE_DOWN_KEY]
= function() { return skipAllEffects(); };
keyCodeDict[SLIDE_MODE][HOME_KEY]
= function() { return aSlideShow.displaySlide( 0, true ); };
keyCodeDict[SLIDE_MODE][END_KEY]
= function() { return aSlideShow.displaySlide( theMetaDoc.nNumberOfSlides - 1, true ); };
keyCodeDict[SLIDE_MODE][SPACE_KEY]
= function() { return dispatchEffects(1); };

keyCodeDict[INDEX_MODE][LEFT_KEY]
= function() { return indexSetPageSlide( theSlideIndexPage.selectedSlideIndex - 1 ); };
keyCodeDict[INDEX_MODE][RIGHT_KEY]
= function() { return indexSetPageSlide( theSlideIndexPage.selectedSlideIndex + 1 ); };
keyCodeDict[INDEX_MODE][UP_KEY]
= function() { return indexSetPageSlide( theSlideIndexPage.selectedSlideIndex - theSlideIndexPage.indexColumns ); };
keyCodeDict[INDEX_MODE][DOWN_KEY]
= function() { return indexSetPageSlide( theSlideIndexPage.selectedSlideIndex + theSlideIndexPage.indexColumns ); };
keyCodeDict[INDEX_MODE][PAGE_UP_KEY]
= function() { return indexSetPageSlide( theSlideIndexPage.selectedSlideIndex - theSlideIndexPage.getTotalThumbnails() ); };
keyCodeDict[INDEX_MODE][PAGE_DOWN_KEY]
= function() { return indexSetPageSlide( theSlideIndexPage.selectedSlideIndex + theSlideIndexPage.getTotalThumbnails() ); };
keyCodeDict[INDEX_MODE][HOME_KEY]
= function() { return indexSetPageSlide( 0 ); };
keyCodeDict[INDEX_MODE][END_KEY]
= function() { return indexSetPageSlide( theMetaDoc.nNumberOfSlides - 1 ); };
keyCodeDict[INDEX_MODE][ENTER_KEY]
= function() { return toggleSlideIndex(); };
keyCodeDict[INDEX_MODE][SPACE_KEY]
= function() { return toggleSlideIndex(); };
keyCodeDict[INDEX_MODE][ESCAPE_KEY]
= function() { return abandonIndexMode(); };

return keyCodeDict;
}

function getDefaultCharCodeDictionary()
{
var charCodeDict = {};

charCodeDict[SLIDE_MODE] = {};
charCodeDict[INDEX_MODE] = {};

charCodeDict[SLIDE_MODE]['i']
= function () { return toggleSlideIndex(); };

charCodeDict[INDEX_MODE]['i']
= function () { return toggleSlideIndex(); };
charCodeDict[INDEX_MODE]['-']
= function () { return theSlideIndexPage.decreaseNumberOfColumns(); };
charCodeDict[INDEX_MODE]['=']
= function () { return theSlideIndexPage.increaseNumberOfColumns(); };
charCodeDict[INDEX_MODE]['+']
= function () { return theSlideIndexPage.increaseNumberOfColumns(); };
charCodeDict[INDEX_MODE]['0']
= function () { return theSlideIndexPage.resetNumberOfColumns(); };

return charCodeDict;
}


function slideOnMouseUp( aEvt )
{
if (!aEvt)
aEvt = window.event;

var nOffset = 0;

if( aEvt.button == 0 )
nOffset = 1;
else if( aEvt.button == 2 )
nOffset = -1;

if( 0 != nOffset )
dispatchEffects( nOffset );
return true; // the click has been handled
}

document.handleClick = slideOnMouseUp;


function slideOnMouseWheel(aEvt)
{
var delta = 0;

if (!aEvt)
aEvt = window.event;

if (aEvt.wheelDelta)
{ // IE Opera
delta = aEvt.wheelDelta/120;
}
else if (aEvt.detail)
{ // MOZ
delta = -aEvt.detail/3;
}

if (delta > 0)
skipEffects(-1);
else if (delta < 0)
skipEffects(1);

if (aEvt.preventDefault)
aEvt.preventDefault();

aEvt.returnValue = false;
}

if( window.addEventListener )
{
window.addEventListener( 'DOMMouseScroll', function( aEvt ) { return mouseHandlerDispatch( aEvt, MOUSE_WHEEL ); }, false );
}

window.onmousewheel
= function( aEvt ) { return mouseHandlerDispatch( aEvt, MOUSE_WHEEL ); };

function mouseHandlerDispatch( aEvt, anAction )
{
if( !aEvt )
aEvt = window.event;

var retVal = true;

if ( mouseHandlerDictionary[currentMode] && mouseHandlerDictionary[currentMode][anAction] )
{
var subRetVal = mouseHandlerDictionary[currentMode][anAction]( aEvt );

if( subRetVal != null && subRetVal != undefined )
retVal = subRetVal;
}

if( aEvt.preventDefault && !retVal )
aEvt.preventDefault();

aEvt.returnValue = retVal;

return retVal;
}

document.onmouseup = function( aEvt ) { return mouseHandlerDispatch( aEvt, MOUSE_UP ); };


function mouseClickHelper( aEvt )
{
if( !Detect.isMozilla )
{
var aWindowObject = document.defaultView;
if( aWindowObject )
{
var aTextSelection = aWindowObject.getSelection();
var sSelectedText =  aTextSelection.toString();
if( sSelectedText )
{
DBGLOG( 'text selection: ' + sSelectedText );
if( sLastSelectedText !== sSelectedText )
{
bTextHasBeenSelected = true;
sLastSelectedText = sSelectedText;
}
else
{
bTextHasBeenSelected = false;
}
return null;
}
else if( bTextHasBeenSelected )
{
bTextHasBeenSelected = false;
sLastSelectedText = '';
return null;
}
}
else
{
log( 'error: HyperlinkElement.handleClick: invalid window object.' );
}
}

var aSlideAnimationsHandler = theMetaDoc.aMetaSlideSet[nCurSlide].aSlideAnimationsHandler;
if( aSlideAnimationsHandler )
{
var aCurrentEventMultiplexer = aSlideAnimationsHandler.aEventMultiplexer;
if( aCurrentEventMultiplexer )
{
if( aCurrentEventMultiplexer.hasRegisteredMouseClickHandlers() )
{
return aCurrentEventMultiplexer.notifyMouseClick( aEvt );
}
}
}
return slideOnMouseUp( aEvt );
}


function getDefaultMouseHandlerDictionary()
{
var mouseHandlerDict = {};

mouseHandlerDict[SLIDE_MODE] = {};
mouseHandlerDict[INDEX_MODE] = {};

mouseHandlerDict[SLIDE_MODE][MOUSE_UP]
= mouseClickHelper;

mouseHandlerDict[SLIDE_MODE][MOUSE_WHEEL]
= function( aEvt ) { return slideOnMouseWheel( aEvt ); };

mouseHandlerDict[INDEX_MODE][MOUSE_UP]
= function( aEvt ) { return toggleSlideIndex(); };

return mouseHandlerDict;
}

function indexSetPageSlide( nIndex )
{
var aMetaSlideSet = theMetaDoc.aMetaSlideSet;
nIndex = getSafeIndex( nIndex, 0, aMetaSlideSet.length - 1 );

var nSelectedThumbnailIndex = nIndex % theSlideIndexPage.getTotalThumbnails();
var offset = nIndex - nSelectedThumbnailIndex;

if( offset < 0 )
offset = 0;

if( offset != INDEX_OFFSET )
{
INDEX_OFFSET = offset;
displayIndex( INDEX_OFFSET );
}

theSlideIndexPage.setSelection( nSelectedThumbnailIndex );
}


/*****
* @jessyinkend
*
*  The above code is a derivative work of some parts of the JessyInk project.
*  @source http://code.google.com/p/jessyink/
*/


/*****
* @licstart
*
* The following is the license notice for the part of JavaScript code of this
* page included between the '@dojostart' and the '@dojoend' notes.
*/

/*****  **********************************************************************
*
*  The 'New' BSD License:
*  **********************
*  Copyright (c) 2005-2012, The Dojo Foundation
*  All rights reserved.
*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions are met:
*
*    * Redistributions of source code must retain the above copyright notice,
*      this list of conditions and the following disclaimer.
*    * Redistributions in binary form must reproduce the above copyright notice,
*      this list of conditions and the following disclaimer in the documentation
*      and/or other materials provided with the distribution.
*    * Neither the name of the Dojo Foundation nor the names of its contributors
*      may be used to endorse or promote products derived from this software
*      without specific prior written permission.
*
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
*  DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
*  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
*  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
*  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
*  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
*  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/


/*****
* @licend
*
* The above is the license notice for the part of JavaScript code of this
* page included between the '@dojostart' and the '@dojoend' notes.
*/


/*****
* @dojostart
*
*  The following code is a derivative work of some part of the dojox.gfx library.
*  @source http://svn.dojotoolkit.org/src/dojox/trunk/_base/sniff.js
*/

function has( name )
{
return has.cache[name];
}

has.cache = {};

has.add = function( name, test )
{
has.cache[name] = test;
};

function configureDetectionTools()
{
if( !navigator )
{
log( 'error: configureDetectionTools: configuration failed' );
return null;
}

var n = navigator,
dua = n.userAgent,
dav = n.appVersion,
tv = parseFloat(dav);

has.add('air', dua.indexOf('AdobeAIR') >= 0);
has.add('khtml', dav.indexOf('Konqueror') >= 0 ? tv : undefined);
has.add('webkit', parseFloat(dua.split('WebKit/')[1]) || undefined);
has.add('chrome', parseFloat(dua.split('Chrome/')[1]) || undefined);
has.add('safari', dav.indexOf('Safari')>=0 && !has('chrome') ? parseFloat(dav.split('Version/')[1]) : undefined);
has.add('mac', dav.indexOf('Macintosh') >= 0);
has.add('quirks', document.compatMode == 'BackCompat');
has.add('ios', /iPhone|iPod|iPad/.test(dua));
has.add('android', parseFloat(dua.split('Android ')[1]) || undefined);

if(!has('webkit')){
if(dua.indexOf('Opera') >= 0){
has.add('opera', tv >= 9.8 ? parseFloat(dua.split('Version/')[1]) || tv : tv);
}

if(dua.indexOf('Gecko') >= 0 && !has('khtml') && !has('webkit')){
has.add('mozilla', tv);
}
if(has('mozilla')){
has.add('ff', parseFloat(dua.split('Firefox/')[1] || dua.split('Minefield/')[1]) || undefined);
}

if(document.all && !has('opera')){
var isIE = parseFloat(dav.split('MSIE ')[1]) || undefined;

var mode = document.documentMode;
if(mode && mode != 5 && Math.floor(isIE) != mode){
isIE = mode;
}

has.add('ie', isIE);
}

has.add('wii', typeof opera != 'undefined' && opera.wiiremote);
}

var detect =
{
isFF: has('ff'),

isIE: has('ie'),

isKhtml: has('khtml'),

isWebKit: has('webkit'),

isMozilla: has('mozilla'),
isMoz: has('mozilla'),

isOpera: has('opera'),

isSafari: has('safari'),

isChrome: has('chrome'),

isMac: has('mac'),

isIos: has('ios'),

isAndroid: has('android'),

isWii: has('wii'),

isQuirks: has('quirks'),

isAir: has('air')
};
return detect;
}

/*****
* @dojoend
*
*  The above code is a derivative work of some part of the dojox.gfx library.
*  @source http://svn.dojotoolkit.org/src/dojox/trunk/_base/sniff.js
*/


/*****
* @licstart
*
* The following is the license notice for the part of JavaScript code  of
* this page included between the '@libreofficestart' and the '@libreofficeend'
* notes.
*/

/*****  ******************************************************************
*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
*   Licensed to the Apache Software Foundation (ASF) under one or more
*   contributor license agreements. See the NOTICE file distributed
*   with this work for additional information regarding copyright
*   ownership. The ASF licenses this file to you under the Apache
*   License, Version 2.0 (the 'License'); you may not use this file
*   except in compliance with the License. You may obtain a copy of
*   the License at http://www.apache.org/licenses/LICENSE-2.0 .
*
************************************************************************/

/*****
* @licend
*
* The above is the license notice for the part of JavaScript code  of
* this page included between the '@libreofficestart' and the '@libreofficeend'
* notes.
*/


/*****
* @libreofficestart
*
* Several parts of the following code are the result of the porting,
* started on August 2011, of the C++ code included in the source
* files placed under the folder '/slideshow/source' and
* sub-folders. This got later rebased onto the AL2-licensed versions
* of those files in early 2013.
* @source http://cgit.freedesktop.org/libreoffice/core/tree/slideshow/source
*
*/


window.onload = init;


var aOOOElemMetaSlides = 'ooo:meta_slides';
var aOOOElemMetaSlide = 'ooo:meta_slide';
var aOOOElemTextField = 'ooo:text_field';
var aPresentationClipPathId = 'presentation_clip_path';
var aPresentationClipPathShrinkId = 'presentation_clip_path_shrink';

var aOOOAttrNumberOfSlides = 'number-of-slides';
var aOOOAttrStartSlideNumber= 'start-slide-number';
var aOOOAttrNumberingType = 'page-numbering-type';
var aOOOAttrListItemNumberingType= 'numbering-type';
var aOOOAttrUsePositionedChars = 'use-positioned-chars';

var aOOOAttrSlide = 'slide';
var aOOOAttrMaster = 'master';
var aOOOAttrHasTransition = 'has-transition';
var aOOOAttrBackgroundVisibility = 'background-visibility';
var aOOOAttrMasterObjectsVisibility = 'master-objects-visibility';
var aOOOAttrPageNumberVisibility = 'page-number-visibility';
var aOOOAttrDateTimeVisibility = 'date-time-visibility';
var aOOOAttrFooterVisibility = 'footer-visibility';
var aOOOAttrHeaderVisibility = 'header-visibility';
var aOOOAttrDateTimeField = 'date-time-field';
var aOOOAttrFooterField = 'footer-field';
var aOOOAttrHeaderField = 'header-field';

var aOOOAttrDateTimeFormat = 'date-time-format';

var aOOOAttrTextAdjust = 'text-adjust';

var aClipPathGroupClassName = 'ClipPathGroup';
var aPageClassName = 'Page';
var aSlideNumberClassName = 'Slide_Number';
var aDateTimeClassName = 'Date/Time';
var aFooterClassName = 'Footer';
var aHeaderClassName = 'Header';

var NSS = {};
NSS['svg']='http://www.w3.org/2000/svg';
NSS['rdf']='http://www.w3.org/1999/02/22-rdf-syntax-ns#';
NSS['xlink']='http://www.w3.org/1999/xlink';
NSS['xml']='http://www.w3.org/XML/1998/namespace';
NSS['ooo'] = 'http://xml.openoffice.org/svg/export';
NSS['presentation'] = 'http://sun.com/xmlns/staroffice/presentation';
NSS['smil'] = 'http://www.w3.org/2001/SMIL20/';
NSS['anim'] = 'urn:oasis:names:tc:opendocument:xmlns:animation:1.0';

var SLIDE_MODE = 1;
var INDEX_MODE = 2;

var MOUSE_UP = 1;
var MOUSE_DOWN = 2;
var MOUSE_MOVE = 3;
var MOUSE_WHEEL = 4;

var LEFT_KEY = 37;          // cursor left keycode
var UP_KEY = 38;            // cursor up keycode
var RIGHT_KEY = 39;         // cursor right keycode
var DOWN_KEY = 40;          // cursor down keycode
var PAGE_UP_KEY = 33;       // page up keycode
var PAGE_DOWN_KEY = 34;     // page down keycode
var HOME_KEY = 36;          // home keycode
var END_KEY = 35;           // end keycode
var ENTER_KEY = 13;
var SPACE_KEY = 32;
var ESCAPE_KEY = 27;

var HIDDEN = 0;
var VISIBLE = 1;
var INHERIT = 2;
var aVisibilityAttributeValue = [ 'hidden', 'visible', 'inherit' ];
var aVisibilityValue = { 'hidden' : HIDDEN, 'visible' : VISIBLE, 'inherit' : INHERIT };

var ROOT_NODE = document.getElementsByTagNameNS( NSS['svg'], 'svg' )[0];
var WIDTH = 0;
var HEIGHT = 0;
var INDEX_COLUMNS_DEFAULT = 3;
var INDEX_OFFSET = 0;

var Detect = configureDetectionTools();
var theMetaDoc;
var theSlideIndexPage;
var currentMode = SLIDE_MODE;
var processingEffect = false;
var nCurSlide = undefined;
var bTextHasBeenSelected = false;
var sLastSelectedText = '';


var charCodeDictionary = getDefaultCharCodeDictionary();
var keyCodeDictionary = getDefaultKeyCodeDictionary();

var mouseHandlerDictionary = getDefaultMouseHandlerDictionary();


function object( aObject )
{
var F = function() {};
F.prototype = aObject;
return new F();
}


function extend( aSubType, aSuperType )
{
if (!aSuperType || !aSubType)
{
alert('extend failed, verify dependencies');
}
var OP = Object.prototype;
var sp = aSuperType.prototype;
var rp = object( sp );
aSubType.prototype = rp;

rp.constructor = aSubType;
aSubType.superclass = sp;

if (aSuperType != Object && sp.constructor == OP.constructor)
{
sp.constructor = aSuperType;
}

return aSubType;
}


function instantiate( TemplateClass, BaseType )
{
if( !TemplateClass.instanceSet )
TemplateClass.instanceSet = [];

var nSize = TemplateClass.instanceSet.length;

for( var i = 0; i < nSize; ++i )
{
if( TemplateClass.instanceSet[i].base === BaseType )
return TemplateClass.instanceSet[i].instance;
}

TemplateClass.instanceSet[ nSize ] = {};
TemplateClass.instanceSet[ nSize ].base = BaseType;
TemplateClass.instanceSet[ nSize ].instance = TemplateClass( BaseType );

return TemplateClass.instanceSet[ nSize ].instance;
}


function Rectangle( aSVGRectElem )
{
var x = parseInt( aSVGRectElem.getAttribute( 'x' ) );
var y = parseInt( aSVGRectElem.getAttribute( 'y' ) );
var width = parseInt( aSVGRectElem.getAttribute( 'width' ) );
var height = parseInt( aSVGRectElem.getAttribute( 'height' ) );

this.left = x;
this.right = x + width;
this.top = y;
this.bottom = y + height;
}

function log( message )
{
if( typeof console == 'object' )
{
console.log( message );
}
else if( typeof opera == 'object' )
{
opera.postError( message );
}
else if( typeof java == 'object' && typeof java.lang == 'object' )
{
java.lang.System.out.println( message );
}
}

function warning( bCondition, sMessage )
{
if( bCondition )
log( sMessage );
return bCondition;
}

function getNSAttribute( sNSPrefix, aElem, sAttrName )
{
if( !aElem ) return null;
if( 'getAttributeNS' in aElem )
{
return aElem.getAttributeNS( NSS[sNSPrefix], sAttrName );
}
else
{
return aElem.getAttribute( sNSPrefix + ':' + sAttrName );
}
}

function getOOOAttribute( aElem, sAttrName )
{
return getNSAttribute( 'ooo', aElem, sAttrName );
}

function setNSAttribute( sNSPrefix, aElem, sAttrName, aValue )
{
if( !aElem ) return false;
if( 'setAttributeNS' in aElem )
{
aElem.setAttributeNS( NSS[sNSPrefix], sAttrName, aValue );
return true;
}
else
{
aElem.setAttribute(sNSPrefix + ':' + sAttrName, aValue );
return true;
}
}

function setOOOAttribute( aElem, sAttrName, aValue )
{
return setNSAttribute( 'ooo', aElem, sAttrName, aValue );
}

function checkElemAndSetAttribute( aElem, sAttrName, aValue )
{
if( aElem )
aElem.setAttribute( sAttrName, aValue );
}

function getElementsByClassName( aElem, sClassName )
{

var aElementSet = [];
if( 'getElementsByClassName' in aElem )
{
aElementSet = aElem.getElementsByClassName( sClassName );
}
else
{
var aElementSetByClassProperty = getElementsByProperty( aElem, 'class' );
for( var i = 0; i < aElementSetByClassProperty.length; ++i )
{
var sAttrClassName = aElementSetByClassProperty[i].getAttribute( 'class' );
if( sAttrClassName == sClassName )
{
aElementSet.push( aElementSetByClassProperty[i] );
}
}
}
return aElementSet;
}

function getElementByClassName( aElem, sClassName /*, sTagName */)
{
var aElementSet = getElementsByClassName( aElem, sClassName );
if ( aElementSet.length == 1 )
return aElementSet[0];
else
return null;
}

function getClassAttribute(  aElem )
{
if( aElem )
return aElem.getAttribute( 'class' );
return '';
}

function createElementGroup( aParentElement, aElementList, nFrom, nCount, sGroupClass, sGroupId )
{
var nTo = nFrom + nCount;
if( nCount < 1 || aElementList.length < nTo )
{
log( 'createElementGroup: not enough elements available.' );
return;
}
var firstElement = aElementList[nFrom];
if( !firstElement )
{
log( 'createElementGroup: element not found.' );
return;
}
var aGroupElement = document.createElementNS( NSS['svg'], 'g' );
if( sGroupId )
aGroupElement.setAttribute( 'id', sGroupId );
if( sGroupClass )
aGroupElement.setAttribute( 'class', sGroupClass );
aParentElement.insertBefore( aGroupElement, firstElement );
var i = nFrom;
for( ; i < nTo; ++i )
{
aParentElement.removeChild( aElementList[i] );
aGroupElement.appendChild( aElementList[i] );
}
}

function initVisibilityProperty( aElement )
{
var nVisibility = VISIBLE;
var sVisibility = aElement.getAttribute( 'visibility' );
if( sVisibility ) nVisibility = aVisibilityValue[ sVisibility ];
return nVisibility;
}

function setElementVisibility( aElement, nCurrentVisibility, nNewVisibility )
{
if( nCurrentVisibility !=  nNewVisibility )
{
checkElemAndSetAttribute( aElement, 'visibility', aVisibilityAttributeValue[nNewVisibility] );
return nNewVisibility;
}
return nCurrentVisibility;
}

function getSafeIndex( nIndex, nMin, nMax )
{
if( nIndex < nMin )
return nMin;
else if( nIndex > nMax )
return nMax;
else
return nIndex;
}

function getRandomInt( nMax )
{
return Math.floor( Math.random() * nMax );
}

function isTextFieldElement( aElement )
{
var sClassName = aElement.getAttribute( 'class' );
return ( sClassName === aSlideNumberClassName ) ||
( sClassName === aFooterClassName ) ||
( sClassName === aHeaderClassName ) ||
( sClassName === aDateTimeClassName );
}


function DebugPrinter()
{
this.bEnabled = false;
}


DebugPrinter.prototype.on = function()
{
this.bEnabled = true;
};

DebugPrinter.prototype.off = function()
{
this.bEnabled = false;
};

DebugPrinter.prototype.isEnabled = function()
{
return this.bEnabled;
};

DebugPrinter.prototype.print = function( sMessage, nTime )
{
if( this.isEnabled() )
{
var sInfo = 'DBG: ' + sMessage;
if( nTime )
sInfo += ' (at: ' + String( nTime / 1000 ) + 's)';
log( sInfo );
}
};


var aGenericDebugPrinter = new DebugPrinter();
aGenericDebugPrinter.off();
var DBGLOG = bind2( DebugPrinter.prototype.print, aGenericDebugPrinter );

var NAVDBG = new DebugPrinter();
NAVDBG.off();

var ANIMDBG = new DebugPrinter();
ANIMDBG.off();

var aRegisterEventDebugPrinter = new DebugPrinter();
aRegisterEventDebugPrinter.off();

var aTimerEventQueueDebugPrinter = new DebugPrinter();
aTimerEventQueueDebugPrinter.off();

var aEventMultiplexerDebugPrinter = new DebugPrinter();
aEventMultiplexerDebugPrinter.off();

var aNextEffectEventArrayDebugPrinter = new DebugPrinter();
aNextEffectEventArrayDebugPrinter.off();

var aActivityQueueDebugPrinter = new DebugPrinter();
aActivityQueueDebugPrinter.off();

var aAnimatedElementDebugPrinter = new DebugPrinter();
aAnimatedElementDebugPrinter.off();


function MetaDocument()
{
var aMetaDocElem = document.getElementById( aOOOElemMetaSlides );
assert( aMetaDocElem, 'MetaDocument: the svg element with id:' + aOOOElemMetaSlides + 'is not valid.');

this.nNumberOfSlides = parseInt( aMetaDocElem.getAttributeNS( NSS['ooo'], aOOOAttrNumberOfSlides ) );
assert( typeof this.nNumberOfSlides == 'number' && this.nNumberOfSlides > 0,
'MetaDocument: number of slides is zero or undefined.' );
this.nStartSlideNumber = parseInt( aMetaDocElem.getAttributeNS( NSS['ooo'], aOOOAttrStartSlideNumber ) ) || 0;
this.sPageNumberingType = aMetaDocElem.getAttributeNS( NSS['ooo'], aOOOAttrNumberingType ) || 'arabic';
this.bIsUsePositionedChars = ( aMetaDocElem.getAttributeNS( NSS['ooo'], aOOOAttrUsePositionedChars ) === 'true' );

this.aClipPathGroup = getElementByClassName( ROOT_NODE, aClipPathGroupClassName );
assert( this.aClipPathGroup, 'MetaDocument: the clip path group element is not valid.');

this.aPresentationClipPath = document.getElementById( aPresentationClipPathId );
assert( this.aPresentationClipPath,
'MetaDocument: the presentation clip path element element is not valid.');

this.aMetaSlideSet = [];
this.aMasterPageSet = {};
this.aTextFieldHandlerSet = {};
this.aTextFieldContentProviderSet = [];
this.aSlideNumberProvider = new SlideNumberProvider( this.nStartSlideNumber + 1, this.sPageNumberingType );

this.bIsAnimated = false;
this.aSlideAnimationsMap = {};
this.initSlideAnimationsMap();

this.theMetaDummySlide = new MetaSlide( 'ooo:meta_dummy_slide', this );

for( var i = 0; i < this.nNumberOfSlides; ++i )
{
var sMetaSlideId = aOOOElemMetaSlide + '_' + i;
this.aMetaSlideSet.push( new MetaSlide( sMetaSlideId, this ) );
}
assert( this.aMetaSlideSet.length == this.nNumberOfSlides,
'MetaDocument: aMetaSlideSet.length != nNumberOfSlides.' );
}

MetaDocument.prototype =
{

getCurrentSlide : function()
{
return this.aMetaSlideSet[nCurSlide];
},

setCurrentSlide : function( nSlideIndex )
{
if( nSlideIndex >= 0 &&  nSlideIndex < this.nNumberOfSlides )
{
if( nCurSlide !== undefined )
this.aMetaSlideSet[nCurSlide].hide();
this.aMetaSlideSet[nSlideIndex].show();
nCurSlide = nSlideIndex;
}
else
{
log('MetaDocument.setCurrentSlide: slide index out of range: ' + nSlideIndex );
}
},


initSlideAnimationsMap : function()
{
var aAnimationsSection = document.getElementById( 'presentation-animations' );
if( aAnimationsSection )
{
var aAnimationsDefSet = aAnimationsSection.getElementsByTagName( 'defs' );

this.bIsAnimated = ( typeof aAnimationsDefSet.length =='number' &&
aAnimationsDefSet.length > 0 );

for( var i = 0; i < aAnimationsDefSet.length; ++i )
{
var sSlideId = aAnimationsDefSet[i].getAttributeNS( NSS['ooo'], aOOOAttrSlide );
var aChildSet = getElementChildren( aAnimationsDefSet[i] );
if( sSlideId && ( aChildSet.length === 1 ) )
{
this.aSlideAnimationsMap[ sSlideId ] = aChildSet[0];
}
}
}
}

}; // end MetaDocument prototype

function MetaSlide( sMetaSlideId, aMetaDoc )
{
this.theDocument = document;
this.id = sMetaSlideId;
this.theMetaDoc = aMetaDoc;

this.element = this.theDocument.getElementById( this.id );
assert( this.element,
'MetaSlide: meta_slide element <' + this.id + '> not found.' );

this.slideId = this.element.getAttributeNS( NSS['ooo'], aOOOAttrSlide );
this.slideElement = this.theDocument.getElementById( this.slideId );
assert( this.slideElement,
'MetaSlide: slide element <' + this.slideId + '> not found.' );

if( this.slideId !== 'dummy_slide' )
this.nSlideNumber = parseInt( this.slideId.substr(2) );
else
this.nSlideNumber= -1;

this.aContainerElement = this.slideElement.parentNode;
this.slideContainerId = this.aContainerElement.getAttribute( 'id' );
this.aVisibilityStatusElement = this.aContainerElement.parentNode;

this.pageElement = getElementByClassName( this.slideElement, aPageClassName );
assert( this.pageElement,
'MetaSlide: page element <' + this.slideId + '> not found.' );

this.masterPage = this.initMasterPage();

this.nAreMasterObjectsVisible     = this.initVisibilityProperty( aOOOAttrMasterObjectsVisibility,  VISIBLE );
this.nIsBackgroundVisible         = this.initVisibilityProperty( aOOOAttrBackgroundVisibility,     VISIBLE );
this.nIsPageNumberVisible         = this.initVisibilityProperty( aOOOAttrPageNumberVisibility,     HIDDEN );
this.nIsDateTimeVisible           = this.initVisibilityProperty( aOOOAttrDateTimeVisibility,       VISIBLE );
this.nIsFooterVisible             = this.initVisibilityProperty( aOOOAttrFooterVisibility,         VISIBLE );
this.nIsHeaderVisible             = this.initVisibilityProperty( aOOOAttrHeaderVisibility,         VISIBLE );

this.bIsDateTimeVariable = undefined;

this.aTextFieldContentProviderSet = {};
this.aTextFieldContentProviderSet[aSlideNumberClassName]   = this.initSlideNumberFieldContentProvider();
this.aTextFieldContentProviderSet[aDateTimeClassName]      = this.initDateTimeFieldContentProvider( aOOOAttrDateTimeField );
this.aTextFieldContentProviderSet[aFooterClassName]        = this.initFixedTextFieldContentProvider( aOOOAttrFooterField );
this.aTextFieldContentProviderSet[aHeaderClassName]        = this.initFixedTextFieldContentProvider( aOOOAttrHeaderField );

this.aTransitionHandler = null;
this.bHasTransition = this.initHasTransition() || true;
if( this.bHasTransition )
{
this.aTransitionHandler = new SlideTransition( this.getSlideAnimationsRoot(), this.slideId );
}

this.aSlideAnimationsHandler = new SlideAnimations( aSlideShow.getContext() );
this.aSlideAnimationsHandler.importAnimations( this.getSlideAnimationsRoot() );
this.aSlideAnimationsHandler.parseElements();

if( false && this.aSlideAnimationsHandler.aRootNode )
log( this.aSlideAnimationsHandler.aRootNode.info( true ) );

this.aTextShapeSet = this.collectTextShapes();

this.aHyperlinkSet = this.initHyperlinks();

}

MetaSlide.prototype =
{

show : function()
{
this.updateMasterPageView();
this.aVisibilityStatusElement.setAttribute( 'visibility', 'inherit' );
},

hide : function()
{
this.aVisibilityStatusElement.setAttribute( 'visibility', 'hidden' );
},

updateMasterPageView : function()
{
if( !this.aMasterPageView )
{
this.aMasterPageView = new MasterPageView( this );
this.aMasterPageView.attachToSlide();
}
this.aMasterPageView.update();
},

initMasterPage : function()
{
var sMasterPageId = this.element.getAttributeNS( NSS['ooo'], aOOOAttrMaster );

if( !this.theMetaDoc.aMasterPageSet.hasOwnProperty( sMasterPageId ) )
{
this.theMetaDoc.aMasterPageSet[ sMasterPageId ] = new MasterPage( sMasterPageId, this );

this.theMetaDoc.aTextFieldHandlerSet[ sMasterPageId ] = {};
}
return this.theMetaDoc.aMasterPageSet[ sMasterPageId ];
},

initHasTransition : function()
{
var sHasTransition = this.element.getAttributeNS( NSS['ooo'], aOOOAttrHasTransition );
return ( sHasTransition === 'true' );
},

initVisibilityProperty : function( aVisibilityAttribute, nDefaultValue )
{
var nVisibility = nDefaultValue;
var sVisibility = getOOOAttribute( this.element, aVisibilityAttribute );
if( sVisibility )
nVisibility = aVisibilityValue[ sVisibility ];
return nVisibility;
},

initSlideNumberFieldContentProvider : function()
{
return this.theMetaDoc.aSlideNumberProvider;
},

initDateTimeFieldContentProvider : function( aOOOAttrDateTimeField )
{
var sTextFieldId = getOOOAttribute( this.element, aOOOAttrDateTimeField );
if( !sTextFieldId )  return null;

var nLength = aOOOElemTextField.length + 1;
var nIndex = parseInt(sTextFieldId.substring( nLength ) );
if( typeof nIndex != 'number') return null;

if( !this.theMetaDoc.aTextFieldContentProviderSet[ nIndex ] )
{
var aTextField;
var aTextFieldElem = document.getElementById( sTextFieldId );
var sClassName = getClassAttribute( aTextFieldElem );
if( sClassName == 'FixedDateTimeField' )
{
aTextField = new FixedTextProvider( aTextFieldElem );
this.bIsDateTimeVariable = false;
}
else if( sClassName == 'VariableDateTimeField' )
{
aTextField = new CurrentDateTimeProvider( aTextFieldElem );
this.bIsDateTimeVariable = true;
}
else
{
aTextField = null;
}
this.theMetaDoc.aTextFieldContentProviderSet[ nIndex ] = aTextField;
}
return this.theMetaDoc.aTextFieldContentProviderSet[ nIndex ];
},

initFixedTextFieldContentProvider : function( aOOOAttribute )
{
var sTextFieldId = getOOOAttribute( this.element, aOOOAttribute );
if( !sTextFieldId ) return null;

var nLength = aOOOElemTextField.length + 1;
var nIndex = parseInt( sTextFieldId.substring( nLength ) );
if( typeof nIndex != 'number') return null;

if( !this.theMetaDoc.aTextFieldContentProviderSet[ nIndex ] )
{
var aTextFieldElem = document.getElementById( sTextFieldId );
this.theMetaDoc.aTextFieldContentProviderSet[ nIndex ]
= new FixedTextProvider( aTextFieldElem );
}
return this.theMetaDoc.aTextFieldContentProviderSet[ nIndex ];
},

collectTextShapes : function()
{
var aTextShapeSet = [];
var aTextShapeIndexElem = getElementByClassName( document, 'TextShapeIndex' );
if( aTextShapeIndexElem )
{
var aIndexEntryList = getElementChildren( aTextShapeIndexElem );
var i;
for( i = 0; i < aIndexEntryList.length; ++i )
{
var sSlideId = getOOOAttribute( aIndexEntryList[i], 'slide' );
if( sSlideId === this.slideId )
{
var sTextShapeIds = getOOOAttribute( aIndexEntryList[i], 'id-list' );
if( sTextShapeIds )
{
var aTextShapeIdSet =  sTextShapeIds.split( ' ' );
var j;
for( j = 0; j < aTextShapeIdSet.length; ++j )
{
var aTextShapeElem = document.getElementById( aTextShapeIdSet[j] );
if( aTextShapeElem )
{
aTextShapeSet.push( aTextShapeElem );
}
else
{
log( 'warning: MetaSlide.collectTextShapes: text shape with id <' + aTextShapeIdSet[j] + '> is not valid.'  );
}
}
}
break;
}
}
}
return aTextShapeSet;
},

initHyperlinks : function()
{
var aHyperlinkSet = {};
var i;
for( i = 0; i < this.aTextShapeSet.length; ++i )
{
if( this.aTextShapeSet[i] )
{
var aHyperlinkIdList = getElementByClassName( this.aTextShapeSet[i], 'HyperlinkIdList' );
if( aHyperlinkIdList )
{
var sHyperlinkIds = aHyperlinkIdList.textContent;
if( sHyperlinkIds )
{
var aHyperlinkIdSet = sHyperlinkIds.trim().split( ' ' );
var j;
for( j = 0; j < aHyperlinkIdSet.length; ++j )
{
var sId = aHyperlinkIdSet[j];
aHyperlinkSet[ sId ] = new HyperlinkElement( sId, this.aSlideAnimationsHandler.aEventMultiplexer );
}
}
}
}
}
return aHyperlinkSet;
},

getSlideAnimationsRoot : function()
{
return this.theMetaDoc.aSlideAnimationsMap[ this.slideId ];
}

}; // end MetaSlide prototype

function MasterPage( sMasterPageId, aMetaSlide )
{
this.id = sMasterPageId;
this.metaSlide = aMetaSlide;

this.element = document.getElementById( this.id );
assert( this.element,
'MasterPage: master page element <' + this.id + '> not found.' );

this.background = getElementByClassName( this.element, 'Background' );
if( this.background )
{
this.backgroundId = this.background.getAttribute( 'id' );
this.backgroundVisibility = initVisibilityProperty( this.background );
}
else
{
this.backgroundId = '';
log( 'MasterPage: the background element is not valid.' );
}

this.backgroundObjects = getElementByClassName( this.element, 'BackgroundObjects' );
if( this.backgroundObjects )
{
this.backgroundObjectsId = this.backgroundObjects.getAttribute( 'id' );
this.backgroundObjectsVisibility = initVisibilityProperty( this.backgroundObjects );

if( this.backgroundObjectsVisibility != HIDDEN )
{
var aBackgroundObjectList = getElementChildren( this.backgroundObjects );
var nFrom = 0;
var nCount = 0;
var nSubGroupId = 1;
var sClass;
var sId = '';
this.aBackgroundObjectSubGroupIdList = [];
var i = 0;
for( ; i < aBackgroundObjectList.length; ++i )
{
sClass = aBackgroundObjectList[i].getAttribute( 'class' );
if( !sClass || ( ( sClass !== aDateTimeClassName ) && ( sClass !== aFooterClassName )
&& ( sClass !== aHeaderClassName ) && ( sClass !== aSlideNumberClassName ) ) )
{
if( nCount === 0 )
{
nFrom = i;
sId = this.backgroundObjectsId + '.' + nSubGroupId;
++nSubGroupId;
this.aBackgroundObjectSubGroupIdList.push( sId );
}
++nCount;
}
else
{
this.aBackgroundObjectSubGroupIdList.push( sClass );
if( nCount !== 0 )
{
createElementGroup( this.backgroundObjects, aBackgroundObjectList, nFrom, nCount, 'BackgroundObjectSubgroup', sId );
nCount = 0;
}
}
}
if( nCount !== 0 )
{
createElementGroup( this.backgroundObjects, aBackgroundObjectList, nFrom, nCount, 'BackgroundObjectSubgroup', sId );
}
}
}
else
{
this.backgroundObjectsId = '';
log( 'MasterPage: the background objects element is not valid.' );
}

this.aPlaceholderShapeSet = {};
this.initPlaceholderShapes();
}

MasterPage.prototype =
{

initPlaceholderShapes : function()
{
this.aPlaceholderShapeSet[ aSlideNumberClassName ] = new PlaceholderShape( this, aSlideNumberClassName );
this.aPlaceholderShapeSet[ aDateTimeClassName ] = new PlaceholderShape( this, aDateTimeClassName );
this.aPlaceholderShapeSet[ aFooterClassName ] = new PlaceholderShape( this, aFooterClassName );
this.aPlaceholderShapeSet[ aHeaderClassName ] = new PlaceholderShape( this, aHeaderClassName );
}

}; // end MasterPage prototype

function PlaceholderShape( aMasterPage, sClassName )
{
this.masterPage = aMasterPage;
this.className = sClassName;

this.element = null;
this.textElement = null;
this.init();
}

PlaceholderShape.prototype.isValid = function()
{
return ( this.element && this.textElement );
};


PlaceholderShape.prototype.init = function()
{

var aTextFieldElement = getElementByClassName( this.masterPage.backgroundObjects, this.className );
if( aTextFieldElement )
{
var aPlaceholderElement = getElementByClassName( aTextFieldElement, 'PlaceholderText' );
if( aPlaceholderElement )
{
var aSVGRectElem = getElementByClassName( aTextFieldElement, 'BoundingBox' );
if( aSVGRectElem )
{
var aRect = new Rectangle( aSVGRectElem );
var sTextAdjust = getOOOAttribute( aTextFieldElement, aOOOAttrTextAdjust ) || 'left';
var sTextAnchor, sX;
if( sTextAdjust == 'left' )
{
sTextAnchor = 'start';
sX = String( aRect.left );
}
else if( sTextAdjust == 'right' )
{
sTextAnchor = 'end';
sX = String( aRect.right );
}
else if( sTextAdjust == 'center' )
{
sTextAnchor = 'middle';
var nMiddle = ( aRect.left + aRect.right ) / 2;
sX = String( parseInt( String( nMiddle ) ) );
}
if( sTextAnchor )
aPlaceholderElement.setAttribute( 'text-anchor', sTextAnchor );
if( sX )
aPlaceholderElement.setAttribute( 'x', sX );
}

if( this.masterPage.metaSlide.theMetaDoc.bIsUsePositionedChars )
{
var aTextLineGroupElem = aPlaceholderElement.parentNode.parentNode;
if( aTextLineGroupElem )
{
var sFontFamilyAttr = aTextLineGroupElem.getAttribute( 'font-family' );
if( sFontFamilyAttr )
{
var aChildSet = getElementChildren( aTextLineGroupElem );
if( aChildSet.length > 1  )
var i = 1;
for( ; i < aChildSet.length; ++i )
{
aTextLineGroupElem.removeChild( aChildSet[i] );
}
}
}
}
this.element = aTextFieldElement;
this.textElement = aPlaceholderElement;
}
}
};

function MasterPageView( aMetaSlide )
{
this.aMetaSlide = aMetaSlide;
this.aSlideElement = aMetaSlide.slideElement;
this.aPageElement = aMetaSlide.pageElement;
this.aMasterPage = aMetaSlide.masterPage;
this.aMPVElement = this.createElement();
this.bIsAttached = false;
}


MasterPageView.prototype.attachToSlide = function()
{
if( !this.bIsAttached )
{
var aInsertedElement = this.aSlideElement.insertBefore( this.aMPVElement, this.aPageElement );
assert( aInsertedElement === this.aMPVElement,
'MasterPageView.attachToSlide: aInsertedElement != this.aMPVElement' );

this.bIsAttached = true;
}
};

MasterPageView.prototype.detachFromSlide = function()
{
if( this.bIsAttached )
{
this.aSlideElement.removeChild( this.aMPVElement );
this.bIsAttached = false;
}
};

MasterPageView.prototype.update = function()
{
if( this.aDateTimeFieldHandler && this.aMetaSlide.bIsDateTimeVariable )
this.aDateTimeFieldHandler.update();
};


MasterPageView.prototype.createElement = function()
{
var theDocument = document;
var aMasterPageViewElement = theDocument.createElementNS( NSS['svg'], 'g' );
assert( aMasterPageViewElement,
'MasterPageView.createElement: failed to create a master page view element.' );
aMasterPageViewElement.setAttribute( 'class', 'MasterPageView' );

var aWhiteRect = theDocument.createElementNS( NSS['svg'], 'rect' );
var nWidthExt = WIDTH / 1000;
var nHeightExt = HEIGHT / 1000;
aWhiteRect.setAttribute( 'x', String( -nWidthExt / 2 ) );
aWhiteRect.setAttribute( 'y', String( -nHeightExt / 2 ) );
aWhiteRect.setAttribute( 'width', String( WIDTH + nWidthExt ) );
aWhiteRect.setAttribute( 'height', String( HEIGHT + nHeightExt ) );
aWhiteRect.setAttribute( 'fill', '#FFFFFF' );
aMasterPageViewElement.appendChild( aWhiteRect );

if( this.aMetaSlide.nIsBackgroundVisible )
{
this.aBackgroundElement = theDocument.createElementNS( NSS['svg'], 'use' );
this.aBackgroundElement.setAttribute( 'class', 'Background' );
setNSAttribute( 'xlink', this.aBackgroundElement,
'href', '#' + this.aMasterPage.backgroundId );

aMasterPageViewElement.appendChild( this.aBackgroundElement );
}

if( this.aMetaSlide.nAreMasterObjectsVisible )
{
this.aBackgroundObjectsElement = theDocument.createElementNS( NSS['svg'], 'g' );
this.aBackgroundObjectsElement.setAttribute( 'class', 'BackgroundObjects' );

var aBackgroundObjectSubGroupIdList = this.aMasterPage.aBackgroundObjectSubGroupIdList;
this.aBackgroundSubGroupElementSet = [];
var aPlaceholderShapeSet = this.aMasterPage.aPlaceholderShapeSet;
var aTextFieldContentProviderSet = this.aMetaSlide.aTextFieldContentProviderSet;
var aDefsElement = this.aMetaSlide.element.parentNode;
var aTextFieldHandlerSet = this.aMetaSlide.theMetaDoc.aTextFieldHandlerSet;
var sMasterSlideId = this.aMasterPage.id;

var i = 0;
var sId;
for( ; i < aBackgroundObjectSubGroupIdList.length; ++i )
{
sId = aBackgroundObjectSubGroupIdList[i];
if( sId === aSlideNumberClassName )
{
if( aPlaceholderShapeSet[aSlideNumberClassName] &&
aPlaceholderShapeSet[aSlideNumberClassName].isValid() &&
this.aMetaSlide.nIsPageNumberVisible &&
aTextFieldContentProviderSet[aSlideNumberClassName] )
{
this.aSlideNumberFieldHandler =
new SlideNumberFieldHandler( aPlaceholderShapeSet[aSlideNumberClassName],
aTextFieldContentProviderSet[aSlideNumberClassName] );
this.aSlideNumberFieldHandler.update( this.aMetaSlide.nSlideNumber );
this.aSlideNumberFieldHandler.appendTo( this.aBackgroundObjectsElement );
}
}
else if( sId === aDateTimeClassName )
{
if( this.aMetaSlide.nIsDateTimeVisible )
{
this.aDateTimeFieldHandler =
this.initTextFieldHandler( aDateTimeClassName, aPlaceholderShapeSet,
aTextFieldContentProviderSet, aDefsElement,
aTextFieldHandlerSet, sMasterSlideId );
}
}
else if( sId === aFooterClassName )
{
if( this.aMetaSlide.nIsFooterVisible )
{
this.aFooterFieldHandler =
this.initTextFieldHandler( aFooterClassName, aPlaceholderShapeSet,
aTextFieldContentProviderSet, aDefsElement,
aTextFieldHandlerSet, sMasterSlideId );
}
}
else if( sId === aHeaderClassName )
{
if( this.aMetaSlide.nIsHeaderVisible )
{
this.aHeaderFieldHandler =
this.initTextFieldHandler( aHeaderClassName, aPlaceholderShapeSet,
aTextFieldContentProviderSet, aDefsElement,
aTextFieldHandlerSet, sMasterSlideId );
}
}
else
{
var aBackgroundSubGroupElement = theDocument.createElementNS( NSS['svg'], 'use' );
aBackgroundSubGroupElement.setAttribute( 'class', 'BackgroundObjectSubGroup' );
setNSAttribute( 'xlink', aBackgroundSubGroupElement,
'href', '#' + sId );
this.aBackgroundSubGroupElementSet.push( aBackgroundSubGroupElement );
this.aBackgroundObjectsElement.appendChild( aBackgroundSubGroupElement );
}

}
aMasterPageViewElement.appendChild( this.aBackgroundObjectsElement );
}

return aMasterPageViewElement;
};

MasterPageView.prototype.initTextFieldHandler =
function( sClassName, aPlaceholderShapeSet, aTextFieldContentProviderSet,
aDefsElement, aTextFieldHandlerSet, sMasterSlideId )
{
var aTextFieldHandler = null;
if( aPlaceholderShapeSet[sClassName] &&
aPlaceholderShapeSet[sClassName].isValid()
&& aTextFieldContentProviderSet[sClassName] )
{
var sTextFieldContentProviderId = aTextFieldContentProviderSet[sClassName].sId;
if ( !aTextFieldHandlerSet[ sMasterSlideId ][ sTextFieldContentProviderId ] )
{
aTextFieldHandlerSet[ sMasterSlideId ][ sTextFieldContentProviderId ] =
new TextFieldHandler( aPlaceholderShapeSet[sClassName],
aTextFieldContentProviderSet[sClassName] );
aTextFieldHandler = aTextFieldHandlerSet[ sMasterSlideId ][ sTextFieldContentProviderId ];
aTextFieldHandler.update();
aTextFieldHandler.appendTo( aDefsElement );
}
else
{
aTextFieldHandler = aTextFieldHandlerSet[ sMasterSlideId ][ sTextFieldContentProviderId ];
}

var aTextFieldElement = document.createElementNS( NSS['svg'], 'use' );
aTextFieldElement.setAttribute( 'class', sClassName );
setNSAttribute( 'xlink', aTextFieldElement,
'href', '#' + aTextFieldHandler.sId );
this.aBackgroundObjectsElement.appendChild( aTextFieldElement );
}
return aTextFieldHandler;
};

function TextFieldHandler( aPlaceholderShape, aTextContentProvider )
{
this.aPlaceHolderShape = aPlaceholderShape;
this.aTextContentProvider = aTextContentProvider;
assert( this.aTextContentProvider,
'TextFieldHandler: text content provider not defined.' );
this.sId = 'tf' + String( TextFieldHandler.getUniqueId() );
this.aTextFieldElement = null;
this.aTextPlaceholderElement = null;
this.cloneElement();
}


TextFieldHandler.CURR_UNIQUE_ID = 0;

TextFieldHandler.getUniqueId = function()
{
++TextFieldHandler.CURR_UNIQUE_ID;
return TextFieldHandler.CURR_UNIQUE_ID;
};

TextFieldHandler.prototype.cloneElement = function()
{
assert( this.aPlaceHolderShape && this.aPlaceHolderShape.isValid(),
'TextFieldHandler.cloneElement: placeholder shape is not valid.' );
this.aTextFieldElement = this.aPlaceHolderShape.element.cloneNode( true /* deep clone */ );
assert( this.aTextFieldElement,
'TextFieldHandler.cloneElement: aTextFieldElement is not defined' );
this.aTextFieldElement.setAttribute( 'id', this.sId );
this.aTextFieldElement.removeAttribute( 'visibility' );
this.aTextPlaceholderElement = getElementByClassName( this.aTextFieldElement, 'PlaceholderText' );
assert( this.aTextPlaceholderElement,
'TextFieldHandler.cloneElement: aTextPlaceholderElement is not defined' );
};


TextFieldHandler.prototype.appendTo = function( aParentNode )
{
if( !this.aTextFieldElement )
{
log( 'TextFieldHandler.appendTo: aTextFieldElement is not defined' );
return;
}
if( !aParentNode )
{
log( 'TextFieldHandler.appendTo: parent node is not defined' );
return;
}

aParentNode.appendChild( this.aTextFieldElement );
};

TextFieldHandler.prototype.setTextContent = function( sText )
{
if( !this.aTextPlaceholderElement )
{
log( 'PlaceholderShape.setTextContent: text element is not valid in placeholder of type '
+ this.className + ' that belongs to master slide ' + this.masterPage.id );
return;
}
this.aTextPlaceholderElement.textContent = sText;
};

TextFieldHandler.prototype.update = function()
{
if( !this.aTextContentProvider )
log('TextFieldHandler.update: text content provider not defined.');
else
this.aTextContentProvider.update( this );
};

function SlideNumberFieldHandler( aPlaceholderShape, aTextContentProvider )
{
SlideNumberFieldHandler.superclass.constructor.call( this, aPlaceholderShape, aTextContentProvider );
}
extend( SlideNumberFieldHandler, TextFieldHandler );


SlideNumberFieldHandler.prototype.update = function( nPageNumber )
{
if( !this.aTextContentProvider )
log('TextFieldHandler.update: text content provider not defined.');
else
this.aTextContentProvider.update( this, nPageNumber );
};


function TextFieldContentProvider( aTextFieldContentElement )
{
if( aTextFieldContentElement )
this.sId = aTextFieldContentElement.getAttribute( 'id' );
}

function FixedTextProvider( aTextFieldContentElement )
{
FixedTextProvider.superclass.constructor.call( this, aTextFieldContentElement );
this.text = aTextFieldContentElement.textContent;
}
extend( FixedTextProvider, TextFieldContentProvider );


FixedTextProvider.prototype.update = function( aFixedTextField )
{
aFixedTextField.setTextContent( this.text );
};

function CurrentDateTimeProvider( aTextFieldContentElement )
{
CurrentDateTimeProvider.superclass.constructor.call( this, aTextFieldContentElement );
this.dateTimeFormat = getOOOAttribute( aTextFieldContentElement, aOOOAttrDateTimeFormat );
}
extend( CurrentDateTimeProvider, TextFieldContentProvider );


CurrentDateTimeProvider.prototype.update = function( aDateTimeField )
{
var sText = this.createDateTimeText( this.dateTimeFormat );
aDateTimeField.setTextContent( sText );
};


CurrentDateTimeProvider.prototype.createDateTimeText = function( sDateTimeFormat )
{
var aDate = new Date();
var sDate = aDate.toLocaleString();
return sDate;
};

function SlideNumberProvider( nInitialSlideNumber, sPageNumberingType )
{
SlideNumberProvider.superclass.constructor.call( this, null );
this.nInitialSlideNumber = nInitialSlideNumber;
this.pageNumberingType = sPageNumberingType;

}
extend( SlideNumberProvider, TextFieldContentProvider );


SlideNumberProvider.prototype.getNumberingType = function()
{
return this.pageNumberingType;
};


SlideNumberProvider.prototype.update = function( aSlideNumberField, nSlideNumber )
{
if( nSlideNumber === undefined )
{
if( nCurSlide === undefined )
nSlideNumber = this.nInitialSlideNumber;
else
nSlideNumber = nCurSlide + 1;
}
var sText = this.createSlideNumberText( nSlideNumber, this.getNumberingType() );
aSlideNumberField.setTextContent( sText );
};


SlideNumberProvider.prototype.createSlideNumberText = function( nSlideNumber, sNumberingType )
{
return String( nSlideNumber );
};


function SlideIndexPage()
{
this.pageElementId = 'slide_index';
this.pageBgColor = 'rgb(252,252,252)';
this.pageElement = this.createPageElement();
assert( this.pageElement, 'SlideIndexPage: pageElement is not valid' );
this.indexColumns = INDEX_COLUMNS_DEFAULT;
this.totalThumbnails = this.indexColumns * this.indexColumns;
this.selectedSlideIndex = undefined;

this.xSpacingFactor = 600/28000;
this.ySpacingFactor = 450/21000;
this.xSpacing = WIDTH * this.xSpacingFactor;
this.ySpacing = HEIGHT * this.ySpacingFactor;
this.halfBorderWidthFactor = ( 300/28000 ) * ( this.indexColumns / 3 );
this.halfBorderWidth = WIDTH * this.halfBorderWidthFactor;
this.borderWidth = 2 * this.halfBorderWidth;
this.scaleFactor = ( 1 - ( this.indexColumns + 1 ) * this.xSpacingFactor ) /
( this.indexColumns * ( 1 + 2 * this.halfBorderWidthFactor ) );

this.thumbnailMouseAreaTemplateId = 'thumbnail_mouse_area';
this.thumbnailMouseAreaTemplateElement = null;
this.thumbnailBorderTemplateId = 'thumbnail_border';
this.thumbnailBorderTemplateElement = null;
this.createTemplateElements();

this.aThumbnailSet = new Array( this.totalThumbnails );
for( var i = 0; i < this.totalThumbnails; ++i )
{
this.aThumbnailSet[i] = new Thumbnail( this, i );
this.aThumbnailSet[i].updateView();
}

this.curThumbnailIndex = 0;
}


SlideIndexPage.prototype.getTotalThumbnails = function()
{
return this.totalThumbnails;
};

SlideIndexPage.prototype.show = function()
{
this.pageElement.setAttribute( 'display', 'inherit' );
};

SlideIndexPage.prototype.hide = function()
{
this.pageElement.setAttribute( 'display', 'none' );
};

SlideIndexPage.prototype.setSelection = function( nIndex )
{
nIndex = getSafeIndex( nIndex, 0, this.getTotalThumbnails() - 1 );
if( this.curThumbnailIndex != nIndex )
{
this.aThumbnailSet[ this.curThumbnailIndex ].unselect();
this.aThumbnailSet[ nIndex ].select();
this.curThumbnailIndex = nIndex;
}
this.selectedSlideIndex = this.aThumbnailSet[ nIndex ].slideIndex;
};

SlideIndexPage.prototype.createPageElement = function()
{
var aPageElement = document.createElementNS( NSS['svg'], 'g' );
aPageElement.setAttribute( 'id', this.pageElementId );
aPageElement.setAttribute( 'display', 'none' );
aPageElement.setAttribute( 'visibility', 'visible' );

var sPageBgColor = this.pageBgColor + ';';
var aRectElement = document.createElementNS( NSS['svg'], 'rect' );
aRectElement.setAttribute( 'x', 0 );
aRectElement.setAttribute( 'y', 0 );
aRectElement.setAttribute( 'width', WIDTH );
aRectElement.setAttribute( 'height', HEIGHT );
aRectElement.setAttribute( 'style', 'stroke:none;fill:' + sPageBgColor );

aPageElement.appendChild( aRectElement );
ROOT_NODE.appendChild( aPageElement );
return( document.getElementById( this.pageElementId ) );
};

SlideIndexPage.prototype.createTemplateElements = function()
{
var aDefsElement = document.createElementNS( NSS['svg'], 'defs' );
var aRectElement = document.createElementNS( NSS['svg'], 'rect' );
aRectElement.setAttribute( 'id', this.thumbnailBorderTemplateId );
aRectElement.setAttribute( 'x', -this.halfBorderWidth );
aRectElement.setAttribute( 'y', -this.halfBorderWidth );
aRectElement.setAttribute( 'rx', this.halfBorderWidth );
aRectElement.setAttribute( 'ry', this.halfBorderWidth );
aRectElement.setAttribute( 'width', WIDTH + this.halfBorderWidth );
aRectElement.setAttribute( 'height', HEIGHT + this.halfBorderWidth );
aRectElement.setAttribute( 'stroke-width', this.borderWidth );
aRectElement.setAttribute( 'fill', 'none' );
aDefsElement.appendChild( aRectElement );

aRectElement = document.createElementNS( NSS['svg'], 'rect' );
aRectElement.setAttribute( 'id', this.thumbnailMouseAreaTemplateId );
aRectElement.setAttribute( 'x', 0 );
aRectElement.setAttribute( 'y', 0 );
aRectElement.setAttribute( 'width', WIDTH );
aRectElement.setAttribute( 'height', HEIGHT );
aRectElement.setAttribute( 'fill', this.pageBgColor );
aDefsElement.appendChild( aRectElement );

this.pageElement.appendChild( aDefsElement );

this.thumbnailMouseAreaTemplateElement = document.getElementById( this.thumbnailMouseAreaTemplateId );
this.thumbnailBorderTemplateElement = document.getElementById( this.thumbnailBorderTemplateId );
};

SlideIndexPage.prototype.decreaseNumberOfColumns  = function()
{
this.setNumberOfColumns( this.indexColumns - 1 );
};

SlideIndexPage.prototype.increaseNumberOfColumns  = function()
{
this.setNumberOfColumns( this.indexColumns + 1 );
};

SlideIndexPage.prototype.resetNumberOfColumns  = function()
{
this.setNumberOfColumns( INDEX_COLUMNS_DEFAULT );
};

SlideIndexPage.prototype.setNumberOfColumns  = function( nNumberOfColumns )
{
if( this.indexColumns == nNumberOfColumns )  return;
if( nNumberOfColumns < 2 || nNumberOfColumns > 6 ) return;

var suspendHandle = ROOT_NODE.suspendRedraw(500);

var nOldTotalThumbnails = this.totalThumbnails;
this.indexColumns = nNumberOfColumns;
this.totalThumbnails = nNumberOfColumns * nNumberOfColumns;

this.aThumbnailSet[this.curThumbnailIndex].unselect();

var i;
for( i = this.totalThumbnails; i < nOldTotalThumbnails; ++i )
{
this.aThumbnailSet[i].removeElement();
}

for( i = nOldTotalThumbnails; i < this.totalThumbnails; ++i )
{
this.aThumbnailSet[i] = new Thumbnail( this, i );
}

this.halfBorderWidthFactor = ( 300/28000 ) * ( this.indexColumns / 3 );
this.halfBorderWidth = WIDTH * this.halfBorderWidthFactor;
this.borderWidth = 2 * this.halfBorderWidth;
this.scaleFactor = ( 1 - ( this.indexColumns + 1 ) * this.xSpacingFactor ) /
( this.indexColumns * ( 1 + 2 * this.halfBorderWidthFactor ) );

var aRectElement = this.thumbnailBorderTemplateElement;
aRectElement.setAttribute( 'x', -this.halfBorderWidth );
aRectElement.setAttribute( 'y', -this.halfBorderWidth );
aRectElement.setAttribute( 'rx', this.halfBorderWidth );
aRectElement.setAttribute( 'ry', this.halfBorderWidth );
aRectElement.setAttribute( 'width', WIDTH + this.halfBorderWidth );
aRectElement.setAttribute( 'height', HEIGHT + this.halfBorderWidth );
aRectElement.setAttribute( 'stroke-width', this.borderWidth );

for( i = 0; i < this.totalThumbnails; ++i )
{
this.aThumbnailSet[i].updateView();
}

this.curThumbnailIndex = this.selectedSlideIndex % this.totalThumbnails;
this.aThumbnailSet[this.curThumbnailIndex].select();

INDEX_OFFSET = -1;
indexSetPageSlide( this.selectedSlideIndex );

ROOT_NODE.unsuspendRedraw( suspendHandle );
ROOT_NODE.forceRedraw();
};


function Thumbnail( aSlideIndexPage, nIndex )
{
this.container = aSlideIndexPage;
this.index = nIndex;//= getSafeIndex( nIndex, 0, this.container.getTotalThumbnails() );
this.pageElement = this.container.pageElement;
this.thumbnailId = 'thumbnail' + this.index;
this.thumbnailElement = this.createThumbnailElement();
this.slideElement = getElementByClassName( this.thumbnailElement, 'Slide' );
this.borderElement = getElementByClassName( this.thumbnailElement, 'Border' );
this.mouseAreaElement = getElementByClassName( this.thumbnailElement, 'MouseArea' );
this.aTransformSet = new Array( 3 );
this.visibility = VISIBLE;
this.isSelected = false;
}

Thumbnail.prototype.sNormalBorderColor = 'rgb(216,216,216)';
Thumbnail.prototype.sSelectionBorderColor = 'rgb(92,92,255)';

Thumbnail.prototype.removeElement = function()
{
if( this.thumbnailElement )
this.container.pageElement.removeChild( this.thumbnailElement );
};

Thumbnail.prototype.show = function()
{
if( this.visibility == HIDDEN )
{
this.thumbnailElement.setAttribute( 'display', 'inherit' );
this.visibility = VISIBLE;
}
};

Thumbnail.prototype.hide = function()
{
if( this.visibility == VISIBLE )
{
this.thumbnailElement.setAttribute( 'display', 'none' );
this.visibility = HIDDEN;
}
};

Thumbnail.prototype.select = function()
{
if( !this.isSelected )
{
this.borderElement.setAttribute( 'stroke', this.sSelectionBorderColor );
this.isSelected = true;
}
};

Thumbnail.prototype.unselect = function()
{
if( this.isSelected )
{
this.borderElement.setAttribute( 'stroke', this.sNormalBorderColor );
this.isSelected = false;
}
};

Thumbnail.prototype.updateView = function()
{
this.column = this.index % this.container.indexColumns;
this.row = ( this.index - this.column ) / this.container.indexColumns;
this.halfBorderWidth = this.container.halfBorderWidth;
this.borderWidth = this.container.borderWidth;
this.width = ( WIDTH + this.borderWidth ) * this.container.scaleFactor;
this.height = ( HEIGHT + this.borderWidth ) * this.container.scaleFactor;
this.aTransformSet[2] = 'translate(' + this.halfBorderWidth + ' ' + this.halfBorderWidth + ')';
this.aTransformSet[1] = 'scale(' + this.container.scaleFactor + ')';
var sTransformAttrValue = this.computeTransform();
this.thumbnailElement.setAttribute( 'transform', sTransformAttrValue );
this.mouseAreaElement.setAttribute( 'onmouseover', 'theSlideIndexPage.aThumbnailSet[' + this.index  + '].onMouseOver()' );
};

Thumbnail.prototype.update = function( nIndex )
{
if( this.slideIndex == nIndex )  return;

var aMetaSlide = theMetaDoc.aMetaSlideSet[nIndex];
aMetaSlide.updateMasterPageView();
setNSAttribute( 'xlink', this.slideElement, 'href', '#' + aMetaSlide.slideId );
this.slideIndex = nIndex;
};

Thumbnail.prototype.clear = function( nIndex )
{
setNSAttribute( 'xlink', this.slideElement, 'href', '' );
};

Thumbnail.prototype.createThumbnailElement = function()
{
var aThumbnailElement = document.createElementNS( NSS['svg'], 'g' );
aThumbnailElement.setAttribute( 'id', this.thumbnailId );
aThumbnailElement.setAttribute( 'display', 'inherit' );

var aSlideElement = document.createElementNS( NSS['svg'], 'use' );
setNSAttribute( 'xlink', aSlideElement, 'href', '' );
aSlideElement.setAttribute( 'class', 'Slide' );
aThumbnailElement.appendChild( aSlideElement );

var aMouseAreaElement = document.createElementNS( NSS['svg'], 'use' );
setNSAttribute( 'xlink', aMouseAreaElement, 'href', '#' + this.container.thumbnailMouseAreaTemplateId );
aMouseAreaElement.setAttribute( 'class', 'MouseArea' );
aMouseAreaElement.setAttribute( 'opacity', 0.0 );
aThumbnailElement.appendChild( aMouseAreaElement );

var aBorderElement = document.createElementNS( NSS['svg'], 'use' );
setNSAttribute( 'xlink', aBorderElement, 'href', '#' + this.container.thumbnailBorderTemplateId );
aBorderElement.setAttribute( 'stroke', this.sNormalBorderColor );
aBorderElement.setAttribute( 'class', 'Border' );
aThumbnailElement.appendChild( aBorderElement );

this.container.pageElement.appendChild( aThumbnailElement );
return( document.getElementById( this.thumbnailId ) );
};

Thumbnail.prototype.computeTransform = function()
{
var nXSpacing = this.container.xSpacing;
var nYSpacing = this.container.ySpacing;

var nXOffset = nXSpacing + ( this.width + nXSpacing ) * this.column;
var nYOffset = nYSpacing + ( this.height + nYSpacing ) * this.row;

this.aTransformSet[0] = 'translate(' + nXOffset + ' ' + nYOffset + ')';

var sTransform = this.aTransformSet.join( ' ' );

return sTransform;
};

Thumbnail.prototype.onMouseOver = function()
{
if( ( currentMode == INDEX_MODE ) && ( this.container.curThumbnailIndex !=  this.index ) )
{
this.container.setSelection( this.index );
}
};


function init()
{
var VIEWBOX = ROOT_NODE.getAttribute('viewBox');

if( VIEWBOX )
{
WIDTH = ROOT_NODE.viewBox.animVal.width;
HEIGHT = ROOT_NODE.viewBox.animVal.height;
}

aSlideShow = new SlideShow();
theMetaDoc =  new MetaDocument();
aSlideShow.bIsEnabled = theMetaDoc.bIsAnimated;
theSlideIndexPage = new SlideIndexPage();
aSlideShow.displaySlide( theMetaDoc.nStartSlideNumber, false );


}

function presentationEngineStop()
{
alert( 'We are sorry! An unexpected error occurred.\nThe presentation engine will be stopped' );
document.onkeydown = null;
document.onkeypress = null;
document.onclick = null;
window.onmousewheel = null;
}

function assert( condition, message )
{
if (!condition)
{
presentationEngineStop();
if (typeof console == 'object')
console.trace();
throw new Error( message );
}
}

function dispatchEffects(dir)
{

if( dir == 1 )
{
var bRet = aSlideShow.nextEffect();

if( !bRet )
{
switchSlide( 1, false );
}
}
else
{
switchSlide( dir, false );
}
}

function skipAllEffects()
{
var bRet = aSlideShow.skipAllEffects();
if( !bRet )
{
switchSlide( 1, true );
}
}

function skipEffects(dir)
{
if( dir == 1 )
{
var bRet = aSlideShow.skipPlayingOrNextEffect();

if( !bRet )
{
switchSlide( 1, true );
}
}
else
{
switchSlide( dir, true );
}
}

function switchSlide( nOffset, bSkipTransition )
{
var nNextSlide = nCurSlide + nOffset;
aSlideShow.displaySlide( nNextSlide, bSkipTransition );
}

function displayIndex( offsetNumber )
{
var aMetaSlideSet = theMetaDoc.aMetaSlideSet;
offsetNumber = getSafeIndex( offsetNumber, 0, aMetaSlideSet.length - 1 );

var nTotalThumbnails = theSlideIndexPage.getTotalThumbnails();
var nEnd = Math.min( offsetNumber + nTotalThumbnails, aMetaSlideSet.length);

var aThumbnailSet = theSlideIndexPage.aThumbnailSet;
var j = 0;
for( var i = offsetNumber; i < nEnd; ++i, ++j )
{
aThumbnailSet[j].update( i );
aThumbnailSet[j].show();
}
for( ; j < nTotalThumbnails; ++j )
{
aThumbnailSet[j].hide();
}

if (INDEX_OFFSET != offsetNumber)
INDEX_OFFSET = offsetNumber;
}

function toggleSlideIndex()
{

if( currentMode == SLIDE_MODE )
{

theMetaDoc.getCurrentSlide().hide();
INDEX_OFFSET = -1;
indexSetPageSlide( nCurSlide );
theSlideIndexPage.show();
currentMode = INDEX_MODE;
}
else if( currentMode == INDEX_MODE )
{
theSlideIndexPage.hide();
var nNewSlide = theSlideIndexPage.selectedSlideIndex;

aSlideShow.displaySlide( nNewSlide, true );
currentMode = SLIDE_MODE;
}

}

function abandonIndexMode()
{
theSlideIndexPage.selectedSlideIndex = nCurSlide;
toggleSlideIndex();
}


var CURR_UNIQUE_ID = 0;

function getUniqueId()
{
++CURR_UNIQUE_ID;
return CURR_UNIQUE_ID;
}

function mem_fn( sMethodName )
{
return  function( aObject )
{
var aMethod = aObject[ sMethodName ];
if( aMethod )
aMethod.call( aObject );
else
log( 'method sMethodName not found' );
};
}

function bind( aObject, aMethod )
{
return  function()
{
return aMethod.call( aObject, arguments[0] );
};
}

function bind2( aFunction )
{
if( !aFunction  )
log( 'bind2: passed function is not valid.' );

var aBoundArgList = arguments;

var aResultFunction = null;

switch( aBoundArgList.length )
{
case 1: aResultFunction = function()
{
return aFunction.call( arguments[0], arguments[1],
arguments[2], arguments[3],
arguments[4] );
};
break;
case 2: aResultFunction = function()
{
return aFunction.call( aBoundArgList[1], arguments[0],
arguments[1], arguments[2],
arguments[3] );
};
break;
case 3: aResultFunction = function()
{
return aFunction.call( aBoundArgList[1], aBoundArgList[2],
arguments[0], arguments[1],
arguments[2] );
};
break;
case 4: aResultFunction = function()
{
return aFunction.call( aBoundArgList[1], aBoundArgList[2],
aBoundArgList[3], arguments[0],
arguments[1] );
};
break;
case 5: aResultFunction = function()
{
return aFunction.call( aBoundArgList[1], aBoundArgList[2],
aBoundArgList[3], aBoundArgList[4],
arguments[0] );
};
break;
default:
log( 'bind2: arity not handled.' );
}

return aResultFunction;
}

function getCurrentSystemTime()
{
return ( new Date() ).getTime();
}

function getSlideAnimationsRoot( sSlideId )
{
return theMetaDoc.aSlideAnimationsMap[ sSlideId ];
}

function getElementChildren( aElement )
{
var aChildrenArray = [];

var nSize = aElement.childNodes.length;

for( var i = 0; i < nSize; ++i )
{
if( aElement.childNodes[i].nodeType == 1 )
aChildrenArray.push( aElement.childNodes[i] );
}

return aChildrenArray;
}

function removeWhiteSpaces( str )
{
if( !str )
return '';

var re = / */;
var aSplitString = str.split( re );
return aSplitString.join('');
}

function clamp( nValue, nMinimum, nMaximum )
{
if( nValue < nMinimum )
{
return nMinimum;
}
else if( nValue > nMaximum )
{
return nMaximum;
}
else
{
return nValue;
}
}

function makeMatrixString( a, b, c, d, e, f )
{
var s = 'matrix(';
s += a + ', ';
s += b + ', ';
s += c + ', ';
s += d + ', ';
s += e + ', ';
s += f + ')';

return s;
}

function matrixToString( aSVGMatrix )
{
return makeMatrixString( aSVGMatrix.a, aSVGMatrix.b, aSVGMatrix.c,
aSVGMatrix.d, aSVGMatrix.e, aSVGMatrix.f );
}


function numberParser( sValue )
{
if( sValue === '.' )
return undefined;
var reFloatNumber = /^[+-]?[0-9]*[.]?[0-9]*$/;

if( reFloatNumber.test( sValue ) )
return parseFloat( sValue );
else
return undefined;
}

function booleanParser( sValue )
{
sValue = sValue.toLowerCase();
if( sValue === 'true' )
return true;
else if( sValue === 'false' )
return false;
else
return undefined;
}

function colorParser( sValue )
{

function hsl( nHue, nSaturation, nLuminance )
{
return new HSLColor( nHue, nSaturation / 100, nLuminance / 100 );
}

function rgb( nRed, nGreen, nBlue )
{
return new RGBColor( nRed / 255, nGreen / 255, nBlue / 255 );
}

function prgb( nRed, nGreen, nBlue )
{
return new RGBColor( nRed / 100, nGreen / 100, nBlue / 100 );
}

var sCommaPattern = ' *[,] *';
var sIntegerPattern = '[+-]?[0-9]+';
var sHexDigitPattern = '[0-9A-Fa-f]';

var sHexColorPattern = '#(' + sHexDigitPattern + '{2})('
+ sHexDigitPattern + '{2})('
+ sHexDigitPattern + '{2})';

var sRGBIntegerPattern = 'rgb[(] *' + sIntegerPattern + sCommaPattern
+ sIntegerPattern + sCommaPattern
+ sIntegerPattern + ' *[)]';

var sRGBPercentPattern = 'rgb[(] *' + sIntegerPattern + '%' + sCommaPattern
+ sIntegerPattern + '%' + sCommaPattern
+ sIntegerPattern + '%' + ' *[)]';

var sHSLPercentPattern = 'hsl[(] *' + sIntegerPattern + sCommaPattern
+ sIntegerPattern + '%' + sCommaPattern
+ sIntegerPattern + '%' + ' *[)]';

var reHexColor = new RegExp( sHexColorPattern );
var reRGBInteger = new RegExp( sRGBIntegerPattern );
var reRGBPercent = new RegExp( sRGBPercentPattern );
var reHSLPercent = new RegExp( sHSLPercentPattern );

if( reHexColor.test( sValue ) )
{
var aRGBTriple = reHexColor.exec( sValue );

var nRed    = parseInt( aRGBTriple[1], 16 ) / 255;
var nGreen  = parseInt( aRGBTriple[2], 16 ) / 255;
var nBlue   = parseInt( aRGBTriple[3], 16 ) / 255;

return new RGBColor( nRed, nGreen, nBlue );
}
else if( reHSLPercent.test( sValue ) )
{
sValue = sValue.replace( '%', '' ).replace( '%', '' );
return eval( sValue );
}
else if( reRGBInteger.test( sValue ) )
{
return eval( sValue );
}
else if( reRGBPercent.test( sValue ) )
{
sValue = 'p' + sValue.replace( '%', '' ).replace( '%', '' ).replace( '%', '' );
return eval( sValue );
}
else
{
return null;
}
}


function RGBColor( nRed, nGreen, nBlue )
{
this.eColorSpace = COLOR_SPACE_RGB;
this.nRed = nRed;
this.nGreen = nGreen;
this.nBlue = nBlue;
}


RGBColor.prototype.clone = function()
{
return new RGBColor( this.nRed, this.nGreen, this.nBlue );
};

RGBColor.prototype.equal = function( aRGBColor )
{
return ( this.nRed == aRGBColor.nRed ) &&
( this.nGreen == aRGBColor.nGreen ) &&
( this.nBlue == aRGBColor.nBlue );
};

RGBColor.prototype.add = function( aRGBColor )
{
this.nRed += aRGBColor.nRed;
this.nGreen += aRGBColor.nGreen;
this.nBlue += aRGBColor.nBlue;
return this;
};

RGBColor.prototype.scale = function( aT )
{
this.nRed *= aT;
this.nGreen *= aT;
this.nBlue *= aT;
return this;
};

RGBColor.clamp = function( aRGBColor )
{
var aClampedRGBColor = new RGBColor( 0, 0, 0 );

aClampedRGBColor.nRed   = clamp( aRGBColor.nRed, 0.0, 1.0 );
aClampedRGBColor.nGreen = clamp( aRGBColor.nGreen, 0.0, 1.0 );
aClampedRGBColor.nBlue  = clamp( aRGBColor.nBlue, 0.0, 1.0 );

return aClampedRGBColor;
};

RGBColor.prototype.convertToHSL = function()
{
var nRed   = clamp( this.nRed, 0.0, 1.0 );
var nGreen = clamp( this.nGreen, 0.0, 1.0 );
var nBlue  = clamp( this.nBlue, 0.0, 1.0 );

var nMax = Math.max( nRed, nGreen, nBlue );
var nMin = Math.min( nRed, nGreen, nBlue );
var nDelta = nMax - nMin;

var nLuminance  = ( nMax + nMin ) / 2.0;
var nSaturation = 0.0;
var nHue = 0.0;
if( nDelta !== 0 )
{
nSaturation = ( nLuminance > 0.5 ) ?
( nDelta / ( 2.0 - nMax - nMin) ) :
( nDelta / ( nMax + nMin ) );

if( nRed == nMax )
nHue = ( nGreen - nBlue ) / nDelta;
else if( nGreen == nMax )
nHue = 2.0 + ( nBlue - nRed ) / nDelta;
else if( nBlue == nMax )
nHue = 4.0 + ( nRed - nGreen ) / nDelta;

nHue *= 60.0;

if( nHue < 0.0 )
nHue += 360.0;
}

return new HSLColor( nHue, nSaturation, nLuminance );

};

RGBColor.prototype.toString = function( bClamped )
{
var aRGBColor;
if( bClamped )
{
aRGBColor = RGBColor.clamp( this );
}
else
{
aRGBColor = this;
}

var nRed = Math.round( aRGBColor.nRed * 255 );
var nGreen = Math.round( aRGBColor.nGreen * 255 );
var nBlue = Math.round( aRGBColor.nBlue * 255 );

return ( 'rgb(' + nRed + ',' + nGreen + ',' + nBlue + ')' );
};

RGBColor.interpolate = function( aStartRGB , aEndRGB, nT )
{
var aResult = aStartRGB.clone();
var aTEndRGB = aEndRGB.clone();
aResult.scale( 1.0 - nT );
aTEndRGB.scale( nT );
aResult.add( aTEndRGB );

return aResult;
};


function HSLColor( nHue, nSaturation, nLuminance )
{
this.eColorSpace = COLOR_SPACE_HSL;
this.nHue = nHue;
this.nSaturation = nSaturation;
this.nLuminance = nLuminance;

this.normalizeHue();
}


HSLColor.prototype.clone = function()
{
return new HSLColor( this.nHue, this.nSaturation, this.nLuminance );
};

HSLColor.prototype.equal = function( aHSLColor )
{
return ( this.nHue == aHSLColor.nHue ) &&
( this.nSaturation += aHSLColor.nSaturation ) &&
( this.nLuminance += aHSLColor.nLuminance );
};

HSLColor.prototype.add = function( aHSLColor )
{
this.nHue += aHSLColor.nHue;
this.nSaturation += aHSLColor.nSaturation;
this.nLuminance += aHSLColor.nLuminance;
this.normalizeHue();
return this;
};

HSLColor.prototype.scale = function( aT )
{
this.nHue *= aT;
this.nSaturation *= aT;
this.nLuminance *= aT;
this.normalizeHue();
return this;
};

HSLColor.clamp = function( aHSLColor )
{
var aClampedHSLColor = new HSLColor( 0, 0, 0 );

aClampedHSLColor.nHue = aHSLColor.nHue % 360;
if( aClampedHSLColor.nHue < 0 )
aClampedHSLColor.nHue += 360;
aClampedHSLColor.nSaturation = clamp( aHSLColor.nSaturation, 0.0, 1.0 );
aClampedHSLColor.nLuminance = clamp( aHSLColor.nLuminance, 0.0, 1.0 );
};

HSLColor.prototype.normalizeHue = function()
{
this.nHue = this.nHue % 360;
if( this.nHue < 0 ) this.nHue += 360;
};

HSLColor.prototype.toString = function()
{
return 'hsl(' + this.nHue.toFixed( 3 ) + ','
+ this.nSaturation.toFixed( 3 ) + ','
+ this.nLuminance.toFixed( 3 ) + ')';
};

HSLColor.prototype.convertToRGB = function()
{

var nHue = this.nHue % 360;
if( nHue < 0 ) nHue += 360;
var nSaturation =  clamp( this.nSaturation, 0.0, 1.0 );
var nLuminance = clamp( this.nLuminance, 0.0, 1.0 );


if( nSaturation === 0 )
{
return new RGBColor( nLuminance, nLuminance, nLuminance );
}

var nVal1 = ( nLuminance <= 0.5 ) ?
( nLuminance * (1.0 + nSaturation) ) :
( nLuminance + nSaturation - nLuminance * nSaturation );

var nVal2 = 2.0 * nLuminance - nVal1;

var nRed    = HSLColor.hsl2rgbHelper( nVal2, nVal1, nHue + 120 );
var nGreen  = HSLColor.hsl2rgbHelper( nVal2, nVal1, nHue );
var nBlue   = HSLColor.hsl2rgbHelper( nVal2, nVal1, nHue - 120 );

return new RGBColor( nRed, nGreen, nBlue );
};

HSLColor.hsl2rgbHelper = function( nValue1, nValue2, nHue )
{
nHue = nHue % 360;
if( nHue < 0 )
nHue += 360;

if( nHue < 60.0 )
return nValue1 + ( nValue2 - nValue1 ) * nHue / 60.0;
else if( nHue < 180.0 )
return nValue2;
else if( nHue < 240.0 )
return ( nValue1 + ( nValue2 - nValue1 ) * ( 240.0 - nHue ) / 60.0 );
else
return nValue1;
};

HSLColor.interpolate = function( aFrom, aTo, nT, bCCW )
{
var nS = 1.0 - nT;

var nHue = 0.0;
if( aFrom.nHue <= aTo.nHue && !bCCW )
{
nHue = nS * (aFrom.nHue + 360.0) + nT * aTo.nHue;
}
else if( aFrom.nHue > aTo.nHue && bCCW )
{
nHue = nS * aFrom.nHue + nT * (aTo.nHue + 360.0);
}
else
{
nHue = nS * aFrom.nHue + nT * aTo.nHue;
}

var nSaturation = nS * aFrom.nSaturation + nT * aTo.nSaturation;
var nLuminance = nS * aFrom.nLuminance + nT * aTo.nLuminance;

return new HSLColor( nHue, nSaturation, nLuminance );
};


SVGIdentityMatrix = document.documentElement.createSVGMatrix();

SVGMatrix.prototype.setToIdentity = function()
{
this.a = this.d = 1;
this.b = this.c = this.d = this.e = 0;
};

SVGMatrix.prototype.setToRotationAroundPoint = function( nX, nY, nAngle )
{
nAngle = Math.PI * nAngle / 180;
var nSin = Math.sin( nAngle );
var nCos = Math.cos( nAngle );

this.a = nCos; this.c = -nSin; this.e = nX * (1 - nCos) + nY * nSin;
this.b = nSin; this.d =  nCos; this.f = nY * (1 - nCos) - nX * nSin;
};


SVGPathElement.prototype.prependPath = function( aPath )
{
var sPathData = aPath.getAttribute( 'd' );
sPathData += ( ' ' + this.getAttribute( 'd' ) );
this.setAttribute( 'd', sPathData );
};

SVGPathElement.prototype.appendPath = function( aPath )
{
var sPathData = this.getAttribute( 'd' );
sPathData += ( ' ' + aPath.getAttribute( 'd' ) );
this.setAttribute( 'd', sPathData );
};

SVGPathElement.prototype.matrixTransform = function( aSVGMatrix )
{
var aPathSegList = this.pathSegList;
var nLength = aPathSegList.numberOfItems;
var i;
for( i = 0; i < nLength; ++i )
{
aPathSegList.getItem( i ).matrixTransform( aSVGMatrix );
}
};

SVGPathElement.prototype.changeOrientation = function()
{
var aPathSegList = this.pathSegList;
var nLength = aPathSegList.numberOfItems;
if( nLength == 0 ) return;

var nCurrentX = 0;
var nCurrentY = 0;

var aPathSeg = aPathSegList.getItem( 0 );
if( aPathSeg.pathSegTypeAsLetter == 'M' )
{
nCurrentX = aPathSeg.x;
nCurrentY = aPathSeg.y;
aPathSegList.removeItem( 0 );
--nLength;
}

var i;
for( i = 0; i < nLength; ++i )
{
aPathSeg = aPathSegList.getItem( i );
var aPoint = aPathSeg.changeOrientation( nCurrentX, nCurrentY );
nCurrentX = aPoint.x;
nCurrentY = aPoint.y;
}


for( i = nLength - 2; i >= 0; --i )
{
aPathSeg = aPathSegList.removeItem( i );
aPathSegList.appendItem( aPathSeg );
}

var aMovePathSeg = this.createSVGPathSegMovetoAbs( nCurrentX, nCurrentY );
aPathSegList.insertItemBefore( aMovePathSeg, 0 );

};


var SVGPathSeg = typeof SVGPathSeg === 'undefined' ? function() {} : SVGPathSeg;

try
{   // Firefox, Google Chrome, Internet Explorer, Safari.

SVGPathSegMovetoAbs.prototype.matrixTransform = function( aSVGMatrix )
{
SVGPathMatrixTransform( this, aSVGMatrix );
};

SVGPathSegLinetoAbs.prototype.matrixTransform = function( aSVGMatrix )
{
SVGPathMatrixTransform( this, aSVGMatrix );
};

SVGPathSegCurvetoQuadraticAbs.prototype.matrixTransform = function( aSVGMatrix )
{
SVGPathMatrixTransform( this, aSVGMatrix );
var nX = this.x1;
this.x1 = aSVGMatrix.a * nX + aSVGMatrix.c * this.y1 + aSVGMatrix.e;
this.y1 = aSVGMatrix.b * nX + aSVGMatrix.d * this.y1 + aSVGMatrix.f;
};

SVGPathSegCurvetoCubicAbs.prototype.matrixTransform = function( aSVGMatrix )
{
SVGPathMatrixTransform( this, aSVGMatrix );
var nX = this.x1;
this.x1 = aSVGMatrix.a * nX + aSVGMatrix.c * this.y1 + aSVGMatrix.e;
this.y1 = aSVGMatrix.b * nX + aSVGMatrix.d * this.y1 + aSVGMatrix.f;
nX = this.x2;
this.x2 = aSVGMatrix.a * nX + aSVGMatrix.c * this.y2 + aSVGMatrix.e;
this.y2 = aSVGMatrix.b * nX + aSVGMatrix.d * this.y2 + aSVGMatrix.f;
};


SVGPathSegMovetoAbs.prototype.changeOrientation = function( nCurrentX, nCurrentY )
{
var aPoint = { x: this.x, y: this.y };
this.x = nCurrentX;
this.y = nCurrentY;
return aPoint;
};

SVGPathSegLinetoAbs.prototype.changeOrientation = function( nCurrentX, nCurrentY )
{
var aPoint = { x: this.x, y: this.y };
this.x = nCurrentX;
this.y = nCurrentY;
return aPoint;
};

SVGPathSegCurvetoQuadraticAbs.prototype.changeOrientation = function( nCurrentX, nCurrentY )
{
var aPoint = { x: this.x, y: this.y };
this.x = nCurrentX;
this.y = nCurrentY;
return aPoint;
};

SVGPathSegCurvetoCubicAbs.prototype.changeOrientation = function( nCurrentX, nCurrentY )
{
var aPoint = { x: this.x, y: this.y };
this.x = nCurrentX;
this.y = nCurrentY;
var nX = this.x1;
this.x1 = this.x2;
this.x2 = nX;
var nY = this.y1;
this.y1 = this.y2;
this.y2 = nY;
return aPoint;
};

}
catch( e )
{   // Opera

if( e.name == 'ReferenceError' )
{
SVGPathSeg.prototype.matrixTransform = function( aSVGMatrix )
{
var nX;
switch( this.pathSegTypeAsLetter )
{
case 'C':
nX = this.x2;
this.x2 = aSVGMatrix.a * nX + aSVGMatrix.c * this.y2 + aSVGMatrix.e;
this.y2 = aSVGMatrix.b * nX + aSVGMatrix.d * this.y2 + aSVGMatrix.f;
case 'Q':
nX = this.x1;
this.x1 = aSVGMatrix.a * nX + aSVGMatrix.c * this.y1 + aSVGMatrix.e;
this.y1 = aSVGMatrix.b * nX + aSVGMatrix.d * this.y1 + aSVGMatrix.f;
case 'M':
case 'L':
SVGPathMatrixTransform( this, aSVGMatrix );
break;
default:
log( 'SVGPathSeg.matrixTransform: unexpected path segment type: '
+ this.pathSegTypeAsLetter );
}
};

SVGPathSeg.prototype.changeOrientation = function( nCurrentX, nCurrentY )
{
switch( this.pathSegTypeAsLetter )
{
case 'C':
var nX = this.x1;
this.x1 = this.x2;
this.x2 = nX;
var nY = this.y1;
this.y1 = this.y2;
this.y2 = nY;
case 'M':
case 'L':
case 'Q':
var aPoint = { x: this.x, y: this.y };
this.x = nCurrentX;
this.y = nCurrentY;
return aPoint;
default:
log( 'SVGPathSeg.changeOrientation: unexpected path segment type: '
+ this.pathSegTypeAsLetter );
return null;
}
}
}
else throw e;
}

function SVGPathMatrixTransform( aPath, aSVGMatrix )
{
var nX = aPath.x;
aPath.x = aSVGMatrix.a * nX + aSVGMatrix.c * aPath.y + aSVGMatrix.e;
aPath.y = aSVGMatrix.b * nX + aSVGMatrix.d * aPath.y + aSVGMatrix.f;
}


function PriorityQueue( aCompareFunc )
{
this.aSequence = [];
this.aCompareFunc = aCompareFunc;
}

PriorityQueue.prototype.clone = function()
{
var aCopy = new PriorityQueue( this.aCompareFunc );
var src = this.aSequence;
var dest = [];
var i, l;
for( i = 0, l = src.length; i < l; ++i )
{
if( i in src )
{
dest.push( src[i] );
}
}
aCopy.aSequence = dest;
return aCopy;
};

PriorityQueue.prototype.top = function()
{
return this.aSequence[this.aSequence.length - 1];
};

PriorityQueue.prototype.isEmpty = function()
{
return ( this.aSequence.length === 0 );
};

PriorityQueue.prototype.push = function( aValue )
{
this.aSequence.unshift( aValue );
this.aSequence.sort(this.aCompareFunc);
};

PriorityQueue.prototype.clear = function()
{
this.aSequence = [];
};

PriorityQueue.prototype.pop = function()
{
return this.aSequence.pop();
};


var ANIMATION_NODE_CUSTOM               = 0;
var ANIMATION_NODE_PAR                  = 1;
var ANIMATION_NODE_SEQ                  = 2;
var ANIMATION_NODE_ITERATE              = 3;
var ANIMATION_NODE_ANIMATE              = 4;
var ANIMATION_NODE_SET                  = 5;
var ANIMATION_NODE_ANIMATEMOTION        = 6;
var ANIMATION_NODE_ANIMATECOLOR         = 7;
var ANIMATION_NODE_ANIMATETRANSFORM     = 8;
var ANIMATION_NODE_TRANSITIONFILTER     = 9;
var ANIMATION_NODE_AUDIO                = 10;
var ANIMATION_NODE_COMMAND              = 11;

aAnimationNodeTypeInMap = {
'par'               : ANIMATION_NODE_PAR,
'seq'               : ANIMATION_NODE_SEQ,
'iterate'           : ANIMATION_NODE_ITERATE,
'animate'           : ANIMATION_NODE_ANIMATE,
'set'               : ANIMATION_NODE_SET,
'animatemotion'     : ANIMATION_NODE_ANIMATEMOTION,
'animatecolor'      : ANIMATION_NODE_ANIMATECOLOR,
'animatetransform'  : ANIMATION_NODE_ANIMATETRANSFORM,
'transitionfilter'  : ANIMATION_NODE_TRANSITIONFILTER,
'audio'             : ANIMATION_NODE_AUDIO,
'command'           : ANIMATION_NODE_COMMAND
};


function getAnimationElementType( aElement )
{
var sName = aElement.localName.toLowerCase();

if( sName && aAnimationNodeTypeInMap[ sName ] )
return aAnimationNodeTypeInMap[ sName ];
else
return ANIMATION_NODE_CUSTOM;
}


var INVALID_NODE                = 0;
var UNRESOLVED_NODE             = 1;
var RESOLVED_NODE               = 2;
var ACTIVE_NODE                 = 4;
var FROZEN_NODE                 = 8;
var ENDED_NODE                  = 16;

function getNodeStateName( eNodeState )
{
switch( eNodeState )
{
case INVALID_NODE:
return 'INVALID';
case UNRESOLVED_NODE:
return 'UNRESOLVED';
case RESOLVED_NODE:
return 'RESOLVED';
case ACTIVE_NODE:
return 'ACTIVE';
case FROZEN_NODE:
return 'FROZEN';
case ENDED_NODE:
return 'ENDED';
default:
return 'UNKNOWN';
}
}


IMPRESS_DEFAULT_NODE                    = 0;
IMPRESS_ON_CLICK_NODE                   = 1;
IMPRESS_WITH_PREVIOUS_NODE              = 2;
IMPRESS_AFTER_PREVIOUS_NODE             = 3;
IMPRESS_MAIN_SEQUENCE_NODE              = 4;
IMPRESS_TIMING_ROOT_NODE                = 5;
IMPRESS_INTERACTIVE_SEQUENCE_NODE       = 6;

aImpressNodeTypeInMap = {
'on-click'                  : IMPRESS_ON_CLICK_NODE,
'with-previous'             : IMPRESS_WITH_PREVIOUS_NODE,
'after-previous'            : IMPRESS_AFTER_PREVIOUS_NODE,
'main-sequence'             : IMPRESS_MAIN_SEQUENCE_NODE,
'timing-root'               : IMPRESS_TIMING_ROOT_NODE,
'interactive-sequence'      : IMPRESS_INTERACTIVE_SEQUENCE_NODE
};

aImpressNodeTypeOutMap = [ 'default', 'on-click', 'with-previous', 'after-previous',
'main-sequence', 'timing-root', 'interactive-sequence' ];


aPresetClassInMap = {};


aPresetIdInMap = {};


var RESTART_MODE_DEFAULT            = 0;
var RESTART_MODE_INHERIT            = 0;
var RESTART_MODE_ALWAYS             = 1;
var RESTART_MODE_WHEN_NOT_ACTIVE    = 2;
var RESTART_MODE_NEVER              = 3;

aRestartModeInMap = {
'inherit'       : RESTART_MODE_DEFAULT,
'always'        : RESTART_MODE_ALWAYS,
'whenNotActive' : RESTART_MODE_WHEN_NOT_ACTIVE,
'never'         : RESTART_MODE_NEVER
};

aRestartModeOutMap = [ 'inherit','always', 'whenNotActive', 'never' ];


var FILL_MODE_DEFAULT           = 0;
var FILL_MODE_INHERIT           = 0;
var FILL_MODE_REMOVE            = 1;
var FILL_MODE_FREEZE            = 2;
var FILL_MODE_HOLD              = 3;
var FILL_MODE_TRANSITION        = 4;
var FILL_MODE_AUTO              = 5;

aFillModeInMap = {
'inherit'       : FILL_MODE_DEFAULT,
'remove'        : FILL_MODE_REMOVE,
'freeze'        : FILL_MODE_FREEZE,
'hold'          : FILL_MODE_HOLD,
'transition'    : FILL_MODE_TRANSITION,
'auto'          : FILL_MODE_AUTO
};

aFillModeOutMap = [ 'inherit', 'remove', 'freeze', 'hold', 'transition', 'auto' ];


var ADDITIVE_MODE_BASE          = 0;
var ADDITIVE_MODE_SUM           = 1;
var ADDITIVE_MODE_REPLACE       = 2;
var ADDITIVE_MODE_MULTIPLY      = 3;
var ADDITIVE_MODE_NONE          = 4;

aAddittiveModeInMap = {
'base'          : ADDITIVE_MODE_BASE,
'sum'           : ADDITIVE_MODE_SUM,
'replace'       : ADDITIVE_MODE_REPLACE,
'multiply'      : ADDITIVE_MODE_MULTIPLY,
'none'          : ADDITIVE_MODE_NONE
};

aAddittiveModeOutMap = [ 'base', 'sum', 'replace', 'multiply', 'none' ];


var ACCUMULATE_MODE_NONE        = 0;
var ACCUMULATE_MODE_SUM         = 1;

aAccumulateModeOutMap = [ 'none', 'sum' ];

var CALC_MODE_DISCRETE          = 0;
var CALC_MODE_LINEAR            = 1;
var CALC_MODE_PACED             = 2;
var CALC_MODE_SPLINE            = 3;

aCalcModeInMap = {
'discrete'      : CALC_MODE_DISCRETE,
'linear'        : CALC_MODE_LINEAR,
'paced'         : CALC_MODE_PACED,
'spline'        : CALC_MODE_SPLINE
};

aCalcModeOutMap = [ 'discrete', 'linear', 'paced', 'spline' ];


var COLOR_SPACE_RGB = 0;
var COLOR_SPACE_HSL = 1;

aColorSpaceInMap = { 'rgb': COLOR_SPACE_RGB, 'hsl': COLOR_SPACE_HSL };

aColorSpaceOutMap = [ 'rgb', 'hsl' ];


var CLOCKWISE               = 0;
var COUNTERCLOCKWISE        = 1;

aClockDirectionInMap = { 'clockwise': CLOCKWISE, 'counter-clockwise': COUNTERCLOCKWISE };

aClockDirectionOutMap = [ 'clockwise', 'counter-clockwise' ];


UNKNOWN_PROPERTY        = 0;
NUMBER_PROPERTY         = 1;
ENUM_PROPERTY           = 2;
COLOR_PROPERTY          = 3;
STRING_PROPERTY         = 4;
BOOL_PROPERTY           = 5;

aValueTypeOutMap = [ 'unknown', 'number', 'enum', 'color', 'string', 'boolean' ];


var aAttributeMap =
{
'height':           {   'type':         NUMBER_PROPERTY,
'get':          'getHeight',
'set':          'setHeight',
'getmod':       'makeScaler( 1/nHeight )',
'setmod':       'makeScaler( nHeight)'          },

'opacity':          {   'type':         NUMBER_PROPERTY,
'get':          'getOpacity',
'set':          'setOpacity'                    },

'width':            {   'type':         NUMBER_PROPERTY,
'get':          'getWidth',
'set':          'setWidth',
'getmod':       'makeScaler( 1/nWidth )',
'setmod':       'makeScaler( nWidth)'           },

'x':                {   'type':         NUMBER_PROPERTY,
'get':          'getX',
'set':          'setX',
'getmod':       'makeScaler( 1/nWidth )',
'setmod':       'makeScaler( nWidth)'           },

'y':                {   'type':         NUMBER_PROPERTY,
'get':          'getY',
'set':          'setY',
'getmod':       'makeScaler( 1/nHeight )',
'setmod':       'makeScaler( nHeight)'          },

'fill':             {   'type':         ENUM_PROPERTY,
'get':          'getFillStyle',
'set':          'setFillStyle'                  },

'stroke':           {   'type':         ENUM_PROPERTY,
'get':          'getStrokeStyle',
'set':          'setStrokeStyle'                },

'visibility':       {   'type':         ENUM_PROPERTY,
'get':          'getVisibility',
'set':          'setVisibility'                 },

'fill-color':       {   'type':         COLOR_PROPERTY,
'get':          'getFillColor',
'set':          'setFillColor'                  },

'stroke-color':     {   'type':         COLOR_PROPERTY,
'get':          'getStrokeColor',
'set':          'setStrokeColor'                },

'color':            {   'type':         COLOR_PROPERTY,
'get':          'getFontColor',
'set':          'setFontColor'                  }

};


TRANSITION_INVALID              = 0;    // Invalid type
TRANSITION_CLIP_POLYPOLYGON     = 1;    // Transition expressed by parametric clip polygon
TRANSITION_SPECIAL              = 2;    // Transition expressed by hand-crafted function

aTransitionClassOutMap = ['invalid', 'clip polypolygon', 'special'];


BARWIPE_TRANSITION          = 1;
BOXWIPE_TRANSITION          = 2;
FOURBOXWIPE_TRANSITION      = 3;
ELLIPSEWIPE_TRANSITION      = 4; // 17
CLOCKWIPE_TRANSITION        = 5; // 22
PINWHEELWIPE_TRANSITION     = 6; // 23
PUSHWIPE_TRANSITION         = 7; // 35
SLIDEWIPE_TRANSITION        = 8; // 36
FADE_TRANSITION             = 9; // 37
RANDOMBARWIPE_TRANSITION    = 10; // 38
CHECKERBOARDWIPE_TRANSITION = 11; // 39
DISSOLVE_TRANSITION         = 12; // 40

aTransitionTypeInMap = {
'barWipe'           : BARWIPE_TRANSITION,
'boxWipe'           : BOXWIPE_TRANSITION,
'fourBoxWipe'       : FOURBOXWIPE_TRANSITION,
'ellipseWipe'       : ELLIPSEWIPE_TRANSITION,
'clockWipe'         : CLOCKWIPE_TRANSITION,
'pinWheelWipe'      : PINWHEELWIPE_TRANSITION,
'pushWipe'          : PUSHWIPE_TRANSITION,
'slideWipe'         : SLIDEWIPE_TRANSITION,
'fade'              : FADE_TRANSITION,
'randomBarWipe'     : RANDOMBARWIPE_TRANSITION,
'checkerBoardWipe'  : CHECKERBOARDWIPE_TRANSITION,
'dissolve'          : DISSOLVE_TRANSITION
};

aTransitionTypeOutMap = [ '', 'barWipe', 'boxWipe', 'fourBoxWipe', 'ellipseWipe',
'clockWipe', 'pinWheelWipe', 'pushWipe', 'slideWipe',
'fade', 'randomBarWipe', 'checkerBoardWipe', 'dissolve' ];


DEFAULT_TRANS_SUBTYPE               = 0;
LEFTTORIGHT_TRANS_SUBTYPE           = 1;
TOPTOBOTTOM_TRANS_SUBTYPE           = 2;
CORNERSIN_TRANS_SUBTYPE             = 3; // 11
CORNERSOUT_TRANS_SUBTYPE            = 4;
VERTICAL_TRANS_SUBTYPE              = 5;
HORIZONTAL_TRANS_SUBTYPE            = 6; // 14
DOWN_TRANS_SUBTYPE                  = 7; // 19
CIRCLE_TRANS_SUBTYPE                = 8; // 27
CLOCKWISETWELVE_TRANS_SUBTYPE       = 9; // 33
CLOCKWISETHREE_TRANS_SUBTYPE        = 10;
CLOCKWISESIX_TRANS_SUBTYPE          = 11;
CLOCKWISENINE_TRANS_SUBTYPE         = 12;
TWOBLADEVERTICAL_TRANS_SUBTYPE      = 13;
TWOBLADEHORIZONTAL_TRANS_SUBTYPE    = 14;
FOURBLADE_TRANS_SUBTYPE             = 15; // 39
FROMLEFT_TRANS_SUBTYPE              = 16; // 97
FROMTOP_TRANS_SUBTYPE               = 17;
FROMRIGHT_TRANS_SUBTYPE             = 18;
FROMBOTTOM_TRANS_SUBTYPE            = 19;
CROSSFADE_TRANS_SUBTYPE             = 20;
FADETOCOLOR_TRANS_SUBTYPE           = 21;
FADEFROMCOLOR_TRANS_SUBTYPE         = 22;
FADEOVERCOLOR_TRANS_SUBTYPE         = 23;
THREEBLADE_TRANS_SUBTYPE            = 24;
EIGHTBLADE_TRANS_SUBTYPE            = 25;
ONEBLADE_TRANS_SUBTYPE              = 26; // 107
ACROSS_TRANS_SUBTYPE                = 27;

aTransitionSubtypeInMap = {
'default'           : DEFAULT_TRANS_SUBTYPE,
'leftToRight'       : LEFTTORIGHT_TRANS_SUBTYPE,
'topToBottom'       : TOPTOBOTTOM_TRANS_SUBTYPE,
'cornersIn'         : CORNERSIN_TRANS_SUBTYPE,
'cornersOut'        : CORNERSOUT_TRANS_SUBTYPE,
'vertical'          : VERTICAL_TRANS_SUBTYPE,
'horizontal'        : HORIZONTAL_TRANS_SUBTYPE,
'down'              : DOWN_TRANS_SUBTYPE,
'circle'            : CIRCLE_TRANS_SUBTYPE,
'clockwiseTwelve'   : CLOCKWISETWELVE_TRANS_SUBTYPE,
'clockwiseThree'    : CLOCKWISETHREE_TRANS_SUBTYPE,
'clockwiseSix'      : CLOCKWISESIX_TRANS_SUBTYPE,
'clockwiseNine'     : CLOCKWISENINE_TRANS_SUBTYPE,
'twoBladeVertical'  : TWOBLADEVERTICAL_TRANS_SUBTYPE,
'twoBladeHorizontal': TWOBLADEHORIZONTAL_TRANS_SUBTYPE,
'fourBlade'         : FOURBLADE_TRANS_SUBTYPE,
'fromLeft'          : FROMLEFT_TRANS_SUBTYPE,
'fromTop'           : FROMTOP_TRANS_SUBTYPE,
'fromRight'         : FROMRIGHT_TRANS_SUBTYPE,
'fromBottom'        : FROMBOTTOM_TRANS_SUBTYPE,
'crossfade'         : CROSSFADE_TRANS_SUBTYPE,
'fadeToColor'       : FADETOCOLOR_TRANS_SUBTYPE,
'fadeFromColor'     : FADEFROMCOLOR_TRANS_SUBTYPE,
'fadeOverColor'     : FADEOVERCOLOR_TRANS_SUBTYPE,
'threeBlade'        : THREEBLADE_TRANS_SUBTYPE,
'eightBlade'        : EIGHTBLADE_TRANS_SUBTYPE,
'oneBlade'          : ONEBLADE_TRANS_SUBTYPE,
'across'            : ACROSS_TRANS_SUBTYPE
};

aTransitionSubtypeOutMap = [ 'default', 'leftToRight', 'topToBottom', 'cornersIn',
'cornersOut', 'vertical', 'horizontal', 'down', 'circle',
'clockwiseTwelve', 'clockwiseThree', 'clockwiseSix',
'clockwiseNine', 'twoBladeVertical', 'twoBladeHorizontal',
'fourBlade', 'fromLeft', 'fromTop', 'fromRight',
'fromBottom', 'crossfade', 'fadeToColor', 'fadeFromColor',
'fadeOverColor', 'threeBlade', 'eightBlade', 'oneBlade',
'across' ];


TRANSITION_MODE_IN  = 1;
TRANSITION_MODE_OUT = 0;

aTransitionModeInMap = { 'out': TRANSITION_MODE_OUT, 'in': TRANSITION_MODE_IN };
aTransitionModeOutMap = [ 'out', 'in' ];


REVERSEMETHOD_IGNORE                    = 0;
REVERSEMETHOD_INVERT_SWEEP              = 1;
REVERSEMETHOD_SUBTRACT_POLYGON          = 2;
REVERSEMETHOD_SUBTRACT_AND_INVERT       = 3;
REVERSEMETHOD_ROTATE_180                = 4;
REVERSEMETHOD_FLIP_X                    = 5;
REVERSEMETHOD_FLIP_Y                    = 6;

aReverseMethodOutMap = ['ignore', 'invert sweep', 'subtract polygon',
'subtract and invert', 'rotate 180', 'flip x', 'flip y'];


var aTransitionInfoTable = {};

aTransitionInfoTable[0] = {};
aTransitionInfoTable[0][0] =
{
'class' : TRANSITION_INVALID,
'rotationAngle' : 0.0,
'scaleX' : 0.0,
'scaleY' : 0.0,
'reverseMethod' : REVERSEMETHOD_IGNORE,
'outInvertsSweep' : false,
'scaleIsotropically' : false
};


aTransitionInfoTable[BARWIPE_TRANSITION] = {};
aTransitionInfoTable[BARWIPE_TRANSITION][LEFTTORIGHT_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_X,
'outInvertsSweep' : false,
'scaleIsotropically' : false
};
aTransitionInfoTable[BARWIPE_TRANSITION][TOPTOBOTTOM_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 90.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_Y,
'outInvertsSweep' : false,
'scaleIsotropically' : false
};

aTransitionInfoTable[FOURBOXWIPE_TRANSITION] = {};
aTransitionInfoTable[FOURBOXWIPE_TRANSITION][CORNERSIN_TRANS_SUBTYPE] =
aTransitionInfoTable[FOURBOXWIPE_TRANSITION][CORNERSOUT_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_SUBTRACT_AND_INVERT,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};

aTransitionInfoTable[ELLIPSEWIPE_TRANSITION] = {};
aTransitionInfoTable[ELLIPSEWIPE_TRANSITION][CIRCLE_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_SUBTRACT_AND_INVERT,
'outInvertsSweep' : true,
'scaleIsotropically' : true
};
aTransitionInfoTable[ELLIPSEWIPE_TRANSITION][HORIZONTAL_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_SUBTRACT_AND_INVERT,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};
aTransitionInfoTable[ELLIPSEWIPE_TRANSITION][VERTICAL_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 90.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_SUBTRACT_AND_INVERT,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};

aTransitionInfoTable[CLOCKWIPE_TRANSITION] = {};
aTransitionInfoTable[CLOCKWIPE_TRANSITION][CLOCKWISETWELVE_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_X,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};
aTransitionInfoTable[CLOCKWIPE_TRANSITION][CLOCKWISETHREE_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 90.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_Y,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};
aTransitionInfoTable[CLOCKWIPE_TRANSITION][CLOCKWISESIX_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 180.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_X,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};
aTransitionInfoTable[CLOCKWIPE_TRANSITION][CLOCKWISENINE_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 270.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_Y,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};

aTransitionInfoTable[PINWHEELWIPE_TRANSITION] = {};
aTransitionInfoTable[PINWHEELWIPE_TRANSITION][ONEBLADE_TRANS_SUBTYPE] =
aTransitionInfoTable[PINWHEELWIPE_TRANSITION][TWOBLADEVERTICAL_TRANS_SUBTYPE] =
aTransitionInfoTable[PINWHEELWIPE_TRANSITION][THREEBLADE_TRANS_SUBTYPE] =
aTransitionInfoTable[PINWHEELWIPE_TRANSITION][FOURBLADE_TRANS_SUBTYPE] =
aTransitionInfoTable[PINWHEELWIPE_TRANSITION][EIGHTBLADE_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_X,
'outInvertsSweep' : true,
'scaleIsotropically' : true
};
aTransitionInfoTable[PINWHEELWIPE_TRANSITION][TWOBLADEHORIZONTAL_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : -90.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_Y,
'outInvertsSweep' : true,
'scaleIsotropically' : true
};

aTransitionInfoTable[PUSHWIPE_TRANSITION] = {};
aTransitionInfoTable[PUSHWIPE_TRANSITION][FROMLEFT_TRANS_SUBTYPE] =
aTransitionInfoTable[PUSHWIPE_TRANSITION][FROMTOP_TRANS_SUBTYPE] =
aTransitionInfoTable[PUSHWIPE_TRANSITION][FROMRIGHT_TRANS_SUBTYPE] =
aTransitionInfoTable[PUSHWIPE_TRANSITION][FROMBOTTOM_TRANS_SUBTYPE] =
{
'class' : TRANSITION_SPECIAL,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_IGNORE,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};

aTransitionInfoTable[SLIDEWIPE_TRANSITION] = {};
aTransitionInfoTable[SLIDEWIPE_TRANSITION][FROMLEFT_TRANS_SUBTYPE] =
aTransitionInfoTable[SLIDEWIPE_TRANSITION][FROMTOP_TRANS_SUBTYPE] =
aTransitionInfoTable[SLIDEWIPE_TRANSITION][FROMRIGHT_TRANS_SUBTYPE] =
aTransitionInfoTable[SLIDEWIPE_TRANSITION][FROMBOTTOM_TRANS_SUBTYPE] =
{
'class' : TRANSITION_SPECIAL,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_IGNORE,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};

aTransitionInfoTable[FADE_TRANSITION] = {};
aTransitionInfoTable[FADE_TRANSITION][CROSSFADE_TRANS_SUBTYPE] =
aTransitionInfoTable[FADE_TRANSITION][FADETOCOLOR_TRANS_SUBTYPE] =
aTransitionInfoTable[FADE_TRANSITION][FADEFROMCOLOR_TRANS_SUBTYPE] =
aTransitionInfoTable[FADE_TRANSITION][FADEOVERCOLOR_TRANS_SUBTYPE] =
{
'class' : TRANSITION_SPECIAL,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_IGNORE,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};


aTransitionInfoTable[RANDOMBARWIPE_TRANSITION] = {};
aTransitionInfoTable[RANDOMBARWIPE_TRANSITION][VERTICAL_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 90.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_IGNORE,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};
aTransitionInfoTable[RANDOMBARWIPE_TRANSITION][HORIZONTAL_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_IGNORE,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};

aTransitionInfoTable[CHECKERBOARDWIPE_TRANSITION] = {};
aTransitionInfoTable[CHECKERBOARDWIPE_TRANSITION][DOWN_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 90.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_Y,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};
aTransitionInfoTable[CHECKERBOARDWIPE_TRANSITION][ACROSS_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_FLIP_X,
'outInvertsSweep' : true,
'scaleIsotropically' : false
};

aTransitionInfoTable[DISSOLVE_TRANSITION] = {};
aTransitionInfoTable[DISSOLVE_TRANSITION][DEFAULT_TRANS_SUBTYPE] =
{
'class' : TRANSITION_CLIP_POLYPOLYGON,
'rotationAngle' : 0.0,
'scaleX' : 1.0,
'scaleY' : 1.0,
'reverseMethod' : REVERSEMETHOD_IGNORE,
'outInvertsSweep' : true,
'scaleIsotropically' : true
};


function createStateTransitionTable()
{
var aSTT = {};

aSTT[RESTART_MODE_NEVER] = {};
aSTT[RESTART_MODE_WHEN_NOT_ACTIVE] = {};
aSTT[RESTART_MODE_ALWAYS] = {};

var aTable =
aSTT[RESTART_MODE_NEVER][FILL_MODE_REMOVE] = {};
aTable[INVALID_NODE]        = INVALID_NODE;
aTable[UNRESOLVED_NODE]     = RESOLVED_NODE | ENDED_NODE;
aTable[RESOLVED_NODE]       = ACTIVE_NODE | ENDED_NODE;
aTable[ACTIVE_NODE]         = ENDED_NODE;
aTable[FROZEN_NODE]         = INVALID_NODE;  // this state is unreachable here
aTable[ENDED_NODE]          = ENDED_NODE;    // this state is a sink here (cannot restart)

aTable =
aSTT[RESTART_MODE_NEVER][FILL_MODE_FREEZE] =
aSTT[RESTART_MODE_NEVER][FILL_MODE_HOLD] =
aSTT[RESTART_MODE_NEVER][FILL_MODE_TRANSITION] = {};
aTable[INVALID_NODE]        = INVALID_NODE;
aTable[UNRESOLVED_NODE]     = RESOLVED_NODE | ENDED_NODE;
aTable[RESOLVED_NODE]       = ACTIVE_NODE | ENDED_NODE;
aTable[ACTIVE_NODE]         = FROZEN_NODE | ENDED_NODE;
aTable[FROZEN_NODE]         = ENDED_NODE;
aTable[ENDED_NODE]          = ENDED_NODE;   // this state is a sink here (cannot restart)

aTable =
aSTT[RESTART_MODE_WHEN_NOT_ACTIVE][FILL_MODE_REMOVE] = {};
aTable[INVALID_NODE]        = INVALID_NODE;
aTable[UNRESOLVED_NODE]     = RESOLVED_NODE | ENDED_NODE;
aTable[RESOLVED_NODE]       = ACTIVE_NODE | ENDED_NODE;
aTable[ACTIVE_NODE]         = ENDED_NODE;
aTable[FROZEN_NODE]         = INVALID_NODE;  // this state is unreachable here
aTable[ENDED_NODE]          = RESOLVED_NODE | ACTIVE_NODE | ENDED_NODE;  // restart is possible

aTable =
aSTT[RESTART_MODE_WHEN_NOT_ACTIVE][FILL_MODE_FREEZE] =
aSTT[RESTART_MODE_WHEN_NOT_ACTIVE][FILL_MODE_HOLD] =
aSTT[RESTART_MODE_WHEN_NOT_ACTIVE][FILL_MODE_TRANSITION] = {};
aTable[INVALID_NODE]        = INVALID_NODE;
aTable[UNRESOLVED_NODE]     = RESOLVED_NODE | ENDED_NODE;
aTable[RESOLVED_NODE]       = ACTIVE_NODE | ENDED_NODE;
aTable[ACTIVE_NODE]         = FROZEN_NODE | ENDED_NODE;
aTable[FROZEN_NODE]         = RESOLVED_NODE | ACTIVE_NODE | ENDED_NODE;  // restart is possible
aTable[ENDED_NODE]          = RESOLVED_NODE | ACTIVE_NODE | ENDED_NODE;  // restart is possible

aTable =
aSTT[RESTART_MODE_ALWAYS][FILL_MODE_REMOVE] = {};
aTable[INVALID_NODE]        = INVALID_NODE;
aTable[UNRESOLVED_NODE]     = RESOLVED_NODE | ENDED_NODE;
aTable[RESOLVED_NODE]       = ACTIVE_NODE | ENDED_NODE;
aTable[ACTIVE_NODE]         = RESOLVED_NODE | ACTIVE_NODE | ENDED_NODE;  // restart is possible
aTable[FROZEN_NODE]         = INVALID_NODE;  // this state is unreachable here
aTable[ENDED_NODE]          = RESOLVED_NODE | ACTIVE_NODE | ENDED_NODE;  // restart is possible

aTable =
aSTT[RESTART_MODE_ALWAYS][FILL_MODE_FREEZE] =
aSTT[RESTART_MODE_ALWAYS][FILL_MODE_HOLD] =
aSTT[RESTART_MODE_ALWAYS][FILL_MODE_TRANSITION] = {};
aTable[INVALID_NODE]        = INVALID_NODE;
aTable[UNRESOLVED_NODE]     = RESOLVED_NODE | ENDED_NODE;
aTable[RESOLVED_NODE]       = ACTIVE_NODE | ENDED_NODE;
aTable[ACTIVE_NODE]         = RESOLVED_NODE | ACTIVE_NODE | FROZEN_NODE | ENDED_NODE;
aTable[FROZEN_NODE]         = RESOLVED_NODE | ACTIVE_NODE | ENDED_NODE;  // restart is possible
aTable[ENDED_NODE]          = RESOLVED_NODE | ACTIVE_NODE | ENDED_NODE;  // restart is possible

return aSTT;
}

var aStateTransitionTable = createStateTransitionTable();


function getTransitionTable( eRestartMode, eFillMode )
{
if( eRestartMode == RESTART_MODE_DEFAULT )
{
log( 'getTransitionTable: unexpected restart mode: ' + eRestartMode
+ '. Used NEVER instead.');
eRestartMode = RESTART_MODE_NEVER;
}

if( eFillMode == FILL_MODE_DEFAULT ||
eFillMode == FILL_MODE_AUTO )
{
eFillMode = FILL_MODE_REMOVE;
}

return aStateTransitionTable[eRestartMode][eFillMode];
}


var EVENT_TRIGGER_UNKNOWN               = 0;
var EVENT_TRIGGER_ON_SLIDE_BEGIN        = 1;
var EVENT_TRIGGER_ON_SLIDE_END          = 2;
var EVENT_TRIGGER_BEGIN_EVENT           = 3;
var EVENT_TRIGGER_END_EVENT             = 4;
var EVENT_TRIGGER_ON_CLICK              = 5;
var EVENT_TRIGGER_ON_DBL_CLICK          = 6;
var EVENT_TRIGGER_ON_MOUSE_ENTER        = 7;
var EVENT_TRIGGER_ON_MOUSE_LEAVE        = 8;
var EVENT_TRIGGER_ON_NEXT_EFFECT        = 9;
var EVENT_TRIGGER_ON_PREV_EFFECT        = 10;
var EVENT_TRIGGER_REPEAT                = 11;

aEventTriggerOutMap = [ 'unknown', 'slideBegin', 'slideEnd', 'begin', 'end', 'click',
'doubleClick', 'mouseEnter', 'mouseLeave', 'next', 'previous', 'repeat' ];


function getEventTriggerType( sEventTrigger )
{
if( sEventTrigger == 'begin' )
return EVENT_TRIGGER_BEGIN_EVENT;
else if( sEventTrigger == 'end' )
return EVENT_TRIGGER_END_EVENT;
else if( sEventTrigger == 'next' )
return EVENT_TRIGGER_ON_NEXT_EFFECT;
else if( sEventTrigger == 'prev' )
return EVENT_TRIGGER_ON_PREV_EFFECT;
else if( sEventTrigger == 'click' )
return EVENT_TRIGGER_ON_CLICK;
else
return EVENT_TRIGGER_UNKNOWN;
}


var UNKNOWN_TIMING          = 0;
var OFFSET_TIMING           = 1;
var WALLCLOCK_TIMING        = 2;
var INDEFINITE_TIMING       = 3;
var EVENT_TIMING            = 4;
var SYNCBASE_TIMING         = 5;
var MEDIA_TIMING            = 6;

aTimingTypeOutMap = [ 'unknown', 'offset', 'wallclock', 'indefinite', 'event', 'syncbase', 'media' ];


var CHARCODE_PLUS       = '+'.charCodeAt(0);
var CHARCODE_MINUS      = '-'.charCodeAt(0);
var CHARCODE_0          = '0'.charCodeAt(0);
var CHARCODE_9          = '9'.charCodeAt(0);


function Timing( aAnimationNode, sTimingAttribute )
{
this.aAnimationNode = aAnimationNode;     // the node, the timing attribute belongs to
this.sTimingDescription = removeWhiteSpaces( sTimingAttribute );
this.eTimingType = UNKNOWN_TIMING;
this.nOffset = 0.0;                       // in seconds
this.sEventBaseElementId = '';            // the element id for event based timing
this.eEventType = EVENT_TRIGGER_UNKNOWN;  // the event type
}

Timing.prototype.getAnimationNode = function()
{
return this.aAnimationNode;
};

Timing.prototype.getType = function()
{
return this.eTimingType;
};

Timing.prototype.getOffset = function()
{
return this.nOffset;
};

Timing.prototype.getEventBaseElementId = function()
{
return this.sEventBaseElementId;
};

Timing.prototype.getEventType = function()
{
return this.eEventType;
};

Timing.prototype.parse = function()
{
if( !this.sTimingDescription )
{
this.eTimingType = OFFSET_TIMING;
return;
}

if( this.sTimingDescription == 'indefinite' )
this.eTimingType = INDEFINITE_TIMING;
else
{
var nFirstCharCode = this.sTimingDescription.charCodeAt(0);
var bPositiveOffset = !( nFirstCharCode == CHARCODE_MINUS );
if ( ( nFirstCharCode == CHARCODE_PLUS ) ||
( nFirstCharCode == CHARCODE_MINUS ) ||
( ( nFirstCharCode >= CHARCODE_0 ) && ( nFirstCharCode <= CHARCODE_9 ) ) )
{
var sClockValue
= ( ( nFirstCharCode == CHARCODE_PLUS ) || ( nFirstCharCode == CHARCODE_MINUS ) )
? this.sTimingDescription.substr( 1 )
: this.sTimingDescription;

var TimeInSec = Timing.parseClockValue( sClockValue );
if( TimeInSec != undefined )
{
this.eTimingType = OFFSET_TIMING;
this.nOffset = bPositiveOffset ? TimeInSec : -TimeInSec;
}
}
else
{
var aTimingSplit = [];
bPositiveOffset = true;
if( this.sTimingDescription.indexOf( '+' ) != -1 )
{
aTimingSplit = this.sTimingDescription.split( '+' );
}
else if( this.sTimingDescription.indexOf( '-' ) != -1 )
{
aTimingSplit = this.sTimingDescription.split( '-' );
bPositiveOffset = false;
}
else
{
aTimingSplit[0] = this.sTimingDescription;
aTimingSplit[1] = '';
}

if( aTimingSplit[0].indexOf( '.' ) != -1 )
{
var aEventSplit = aTimingSplit[0].split( '.' );
this.sEventBaseElementId = aEventSplit[0];
this.eEventType = getEventTriggerType( aEventSplit[1] );
}
else
{
this.eEventType = getEventTriggerType( aTimingSplit[0] );
}

if( this.eEventType == EVENT_TRIGGER_UNKNOWN )
return;

if( ( this.eEventType == EVENT_TRIGGER_BEGIN_EVENT ) ||
( this.eEventType == EVENT_TRIGGER_END_EVENT ) )
{
this.eTimingType = SYNCBASE_TIMING;
}
else
{
this.eTimingType = EVENT_TIMING;
}

if( aTimingSplit[1] )
{
sClockValue = aTimingSplit[1];
TimeInSec = Timing.parseClockValue( sClockValue );
if( TimeInSec != undefined )
{
this.nOffset = ( bPositiveOffset ) ? TimeInSec : -TimeInSec;
}
else
{
this.eTimingType = UNKNOWN_TIMING;
}

}
}
}

};

Timing.parseClockValue = function( sClockValue )
{
if( !sClockValue )
return 0.0;

var nTimeInSec = undefined;

var reFullClockValue = /^([0-9]+):([0-5][0-9]):([0-5][0-9])(.[0-9]+)?$/;
var rePartialClockValue = /^([0-5][0-9]):([0-5][0-9])(.[0-9]+)?$/;
var reTimeCountValue = /^([0-9]+)(.[0-9]+)?(h|min|s|ms)?$/;

if( reFullClockValue.test( sClockValue ) )
{
var aClockTimeParts = reFullClockValue.exec( sClockValue );

var nHours = parseInt( aClockTimeParts[1] );
var nMinutes = parseInt( aClockTimeParts[2] );
var nSeconds = parseInt( aClockTimeParts[3] );
if( aClockTimeParts[4] )
nSeconds += parseFloat( aClockTimeParts[4] );

nTimeInSec = ( ( nHours * 60 ) +  nMinutes ) * 60 + nSeconds;

}
else if( rePartialClockValue.test( sClockValue ) )
{
aClockTimeParts = rePartialClockValue.exec( sClockValue );

nMinutes = parseInt( aClockTimeParts[1] );
nSeconds = parseInt( aClockTimeParts[2] );
if( aClockTimeParts[3] )
nSeconds += parseFloat( aClockTimeParts[3] );

nTimeInSec = nMinutes * 60 + nSeconds;
}
else if( reTimeCountValue.test( sClockValue ) )
{
aClockTimeParts = reTimeCountValue.exec( sClockValue );

var nTimeCount = parseInt( aClockTimeParts[1] );
if( aClockTimeParts[2] )
nTimeCount += parseFloat( aClockTimeParts[2] );

if( aClockTimeParts[3] )
{
if( aClockTimeParts[3] == 'h' )
{
nTimeInSec = nTimeCount * 3600;
}
else if( aClockTimeParts[3] == 'min' )
{
nTimeInSec = nTimeCount * 60;
}
else if( aClockTimeParts[3] == 's' )
{
nTimeInSec = nTimeCount;
}
else if( aClockTimeParts[3] == 'ms' )
{
nTimeInSec = nTimeCount / 1000;
}
}
else
{
nTimeInSec = nTimeCount;
}

}

if( nTimeInSec )
nTimeInSec = parseFloat( nTimeInSec.toFixed( 3 ) );
return nTimeInSec;
};

Timing.prototype.info = function( bVerbose )
{

var sInfo = '';

if( bVerbose )
{
sInfo = 'description: ' + this.sTimingDescription + ', ';

sInfo += ', type: ' +  aTimingTypeOutMap[ this.getType() ];
sInfo += ', offset: ' + this.getOffset();
sInfo += ', event base element id: ' + this.getEventBaseElementId();
sInfo += ', timing event type: ' + aEventTriggerOutMap[ this.getEventType() ];
}
else
{
switch( this.getType() )
{
case INDEFINITE_TIMING:
sInfo += 'indefinite';
break;
case OFFSET_TIMING:
sInfo += this.getOffset();
break;
case EVENT_TIMING:
case SYNCBASE_TIMING:
if( this.getEventBaseElementId() )
sInfo += this.getEventBaseElementId() + '.';
sInfo += aEventTriggerOutMap[ this.getEventType() ];
if( this.getOffset() )
{
if( this.getOffset() > 0 )
sInfo += '+';
sInfo += this.getOffset();
}
}
}

return sInfo;
};


function Duration( sDurationAttribute )
{
this.bIndefinite = false;
this.bMedia = false;
this.nValue = undefined;
this.bDefined = false;

if( !sDurationAttribute )
return;

if( sDurationAttribute == 'indefinite' )
this.bIndefinite = true;
else if( sDurationAttribute == 'media' )
this.bMedia = true;
else
{
this.nValue = Timing.parseClockValue( sDurationAttribute );
if( this.nValue <= 0.0 )
this.nValue = 0.001;  // duration must be always greater than 0
}
this.bDefined = true;
}


Duration.prototype.isSet = function()
{
return this.bDefined;
};

Duration.prototype.isIndefinite = function()
{
return this.bIndefinite;
};

Duration.prototype.isMedia = function()
{
return this.bMedia;
};

Duration.prototype.isValue = function()
{
return this.nValue != undefined;
};

Duration.prototype.getValue= function()
{
return this.nValue;
};

Duration.prototype.info= function()
{
var sInfo;

if( this.isIndefinite() )
sInfo = 'indefinite';
else if( this.isMedia() )
sInfo = 'media';
else if( this.getValue() )
sInfo = this.getValue();

return sInfo;
};


function AnimationNode()
{
}

AnimationNode.prototype.init = function() {};
AnimationNode.prototype.resolve = function() {};
AnimationNode.prototype.activate = function() {};
AnimationNode.prototype.deactivate = function() {};
AnimationNode.prototype.end = function() {};
AnimationNode.prototype.getState = function() {};
AnimationNode.prototype.registerDeactivatingListener = function() {};
AnimationNode.prototype.notifyDeactivating = function() {};


function NodeContext( aSlideShowContext )
{
this.aContext = aSlideShowContext;
this.aAnimationNodeMap = null;
this.aAnimatedElementMap = null;
this.aSourceEventElementMap = null;
this.nStartDelay = 0.0;
this.bFirstRun = undefined;
this.aSlideHeight = HEIGHT;
this.aSlideWidth = WIDTH;
}


NodeContext.prototype.makeSourceEventElement = function( sId, aEventBaseElem )
{
if( !aEventBaseElem )
{
log( 'NodeContext.makeSourceEventElement: event base element is not valid' );
return null;
}

if( !this.aContext.aEventMultiplexer )
{
log( 'NodeContext.makeSourceEventElement: event multiplexer not initialized' );
return null;
}

if( !this.aSourceEventElementMap[ sId ] )
{
this.aSourceEventElementMap[ sId ] = new SourceEventElement( sId, aEventBaseElem, this.aContext.aEventMultiplexer );
}
return this.aSourceEventElementMap[ sId ];
};


function StateTransition( aBaseNode )
{
this.aNode = aBaseNode;
this.eToState = INVALID_NODE;
}

StateTransition.prototype.enter = function( eNodeState, bForce )
{
if( !bForce ) bForce = false;

if( this.eToState != INVALID_NODE )
{
log( 'StateTransition.enter: commit() before enter()ing again!' );
return false;
}
if( !bForce && !this.aNode.isTransition( this.aNode.getState(), eNodeState  ) )
return false;

if( ( this.aNode.nCurrentStateTransition & eNodeState ) != 0 )
return false; // already in wanted transition

this.aNode.nCurrentStateTransition |= eNodeState;
this.eToState = eNodeState;
return true;
};

StateTransition.prototype.commit = function()
{
if( this.eToState != INVALID_NODE )
{
this.aNode.eCurrentState = this.eToState;
this.clear();
}
};

StateTransition.prototype.clear = function()
{
if( this.eToState != INVALID_NODE )
{
this.aNode.nCurrentStateTransition &= ~this.eToState;
this.eToState = INVALID_NODE;
}
};


function BaseNode( aAnimElem, aParentNode, aNodeContext )
{
this.nId = getUniqueId();
this.sClassName = 'BaseNode';

if( !aAnimElem )
log( 'BaseNode(id:' + this.nId + ') constructor: aAnimElem is not valid' );

if( !aNodeContext )
log( 'BaseNode(id:' + this.nId + ') constructor: aNodeContext is not valid' );

if( !aNodeContext.aContext )
log( 'BaseNode(id:' + this.nId + ') constructor: aNodeContext.aContext is not valid' );


this.bIsContainer = false;
this.aElement = aAnimElem;
this.aParentNode = aParentNode;
this.aNodeContext = aNodeContext;
this.aContext = aNodeContext.aContext;
this.nStartDelay = aNodeContext.nStartDelay;
this.eCurrentState = UNRESOLVED_NODE;
this.nCurrentStateTransition = 0;
this.aDeactivatingListenerArray = [];
this.aActivationEvent = null;
this.aDeactivationEvent = null;

this.aBegin = null;
this.aDuration = null;
this.aEnd = null;
this.bMainSequenceRootNode = false;
this.bInteractiveSequenceRootNode = false;
this.eFillMode = FILL_MODE_FREEZE;
this.eRestartMode = RESTART_MODE_NEVER;
this.nReapeatCount = undefined;
this.nAccelerate = 0.0;
this.nDecelerate = 0.0;
this.bAutoReverse = false;

}
extend( BaseNode, AnimationNode );


BaseNode.prototype.getId = function()
{
return this.nId;
};

BaseNode.prototype.parseElement = function()
{
var aAnimElem = this.aElement;

var sIdAttr = aAnimElem.getAttributeNS( NSS['xml'], 'id' );
if( sIdAttr )
this.aNodeContext.aAnimationNodeMap[ sIdAttr ] = this;

this.aBegin = null;
var sBeginAttr = aAnimElem.getAttributeNS( NSS['smil'], 'begin' );
this.aBegin = new Timing( this, sBeginAttr );
this.aBegin.parse();

this.aEnd = null;
var sEndAttr = aAnimElem.getAttributeNS( NSS['smil'], 'end' );
if( sEndAttr )
{
this.aEnd = new Timing( this, sEndAttr );
this.aEnd.parse();
}

this.aDuration = null;
var sDurAttr = aAnimElem.getAttributeNS( NSS['smil'], 'dur' );
this.aDuration = new Duration( sDurAttr );
if( !this.aDuration.isSet() )
{
if( this.isContainer() )
this.aDuration = null;
else
this.aDuration = new Duration( 'indefinite' );
}

var sFillAttr = aAnimElem.getAttributeNS( NSS['smil'], 'fill' );
if( sFillAttr && aFillModeInMap[ sFillAttr ])
this.eFillMode = aFillModeInMap[ sFillAttr ];
else
this.eFillMode = FILL_MODE_DEFAULT;

var sRestartAttr = aAnimElem.getAttributeNS( NSS['smil'], 'restart' );
if( sRestartAttr && aRestartModeInMap[ sRestartAttr ] )
this.eRestartMode = aRestartModeInMap[ sRestartAttr ];
else
this.eRestartMode = RESTART_MODE_DEFAULT;

var sRepeatCount = aAnimElem.getAttributeNS( NSS['smil'], 'repeatCount' );
if( !sRepeatCount )
this.nReapeatCount = 1;
else
this.nReapeatCount = parseFloat( sRepeatCount );
if( ( isNaN(this.nReapeatCount) ) && ( sRepeatCount != 'indefinite' ) )
this.nReapeatCount = 1;

this.nAccelerate = 0.0;
var sAccelerateAttr = aAnimElem.getAttributeNS( NSS['smil'], 'accelerate' );
if( sAccelerateAttr )
this.nAccelerate = parseFloat( sAccelerateAttr );
if( isNaN(this.nAccelerate) )
this.nAccelerate = 0.0;

this.nDecelerate = 0.0;
var sDecelerateAttr = aAnimElem.getAttributeNS( NSS['smil'], 'decelerate' );
if( sDecelerateAttr )
this.nDecelerate = parseFloat( sDecelerateAttr );
if( isNaN(this.nDecelerate) )
this.nDecelerate = 0.0;

this.bAutoreverse = false;
var sAutoReverseAttr = aAnimElem.getAttributeNS( NSS['smil'], 'autoReverse' );
if( sAutoReverseAttr == 'true' )
this.bAutoreverse = true;


if( this.eFillMode == FILL_MODE_DEFAULT )
if( this.getParentNode() )
this.eFillMode = this.getParentNode().getFillMode();
else
this.eFillMode = FILL_MODE_AUTO;

if( this.eFillMode ==  FILL_MODE_AUTO ) // see SMIL recommendation document
{
this.eFillMode = ( this.aEnd ||
( this.nReapeatCount != 1) ||
( this.aDuration && !this.aDuration.isIndefinite() ) )
? FILL_MODE_REMOVE
: FILL_MODE_FREEZE;
}

if( this.eRestartMode == RESTART_MODE_DEFAULT )
if( this.getParentNode() )
this.eRestartMode = this.getParentNode().getRestartMode();
else
this.eRestartMode = RESTART_MODE_ALWAYS;

if( ( this.nAccelerate + this.nDecelerate ) > 1.0 )
{
this.nAccelerate = 0.0;
this.nDecelerate = 0.0;
}

this.aStateTransTable = getTransitionTable( this.getRestartMode(), this.getFillMode() );

return true;
};

BaseNode.prototype.getParentNode = function()
{
return this.aParentNode;
};

BaseNode.prototype.init = function()
{
this.DBG( this.callInfo( 'init' ) );
if( ! this.checkValidNode() )
return false;
if( this.aActivationEvent )
this.aActivationEvent.dispose();
if( this.aDeactivationEvent )
this.aDeactivationEvent.dispose();

this.eCurrentState = UNRESOLVED_NODE;

return this.init_st();
};

BaseNode.prototype.resolve = function()
{
if( ! this.checkValidNode() )
return false;

this.DBG( this.callInfo( 'resolve' ) );

if( this.eCurrentState == RESOLVED_NODE )
log( 'BaseNode.resolve: already in RESOLVED state' );

var aStateTrans = new StateTransition( this );

if( aStateTrans.enter( RESOLVED_NODE ) &&
this.isTransition( RESOLVED_NODE, ACTIVE_NODE ) &&
this.resolve_st() )
{
aStateTrans.commit();

if( this.aActivationEvent )
{
this.aActivationEvent.charge();
}
else
{
this.aActivationEvent = makeDelay( bind( this, this.activate ), this.getBegin().getOffset() + this.nStartDelay );
}
registerEvent( this.getId(), this.getBegin(), this.aActivationEvent, this.aNodeContext );

return true;
}

return false;
};

BaseNode.prototype.activate = function()
{
if( ! this.checkValidNode() )
return false;

if( this.eCurrentState == ACTIVE_NODE )
log( 'BaseNode.activate: already in ACTIVE state' );

this.DBG( this.callInfo( 'activate' ), getCurrentSystemTime() );

var aStateTrans = new StateTransition( this );

if( aStateTrans.enter( ACTIVE_NODE ) )
{
this.activate_st();
aStateTrans.commit();
if( !this.aContext.aEventMultiplexer )
log( 'BaseNode.activate: this.aContext.aEventMultiplexer is not valid' );
this.aContext.aEventMultiplexer.notifyEvent( EVENT_TRIGGER_BEGIN_EVENT, this.getId() );
return true;
}
return false;
};

BaseNode.prototype.deactivate = function()
{
if( this.inStateOrTransition( ENDED_NODE | FROZEN_NODE ) || !this.checkValidNode() )
return;

if( this.isTransition( this.eCurrentState, FROZEN_NODE ) )
{
this.DBG( this.callInfo( 'deactivate' ), getCurrentSystemTime() );

var aStateTrans = new StateTransition( this );
if( aStateTrans.enter( FROZEN_NODE, true /* FORCE */ ) )
{
this.deactivate_st( FROZEN_NODE );
aStateTrans.commit();

this.notifyEndListeners();

if( this.aActivationEvent )
this.aActivationEvent.dispose();
if( this.aDeactivationEvent )
this.aDeactivationEvent.dispose();
}
}
else
{
this.end();
}
};

BaseNode.prototype.end = function()
{
var bIsFrozenOrInTransitionToFrozen = this.inStateOrTransition( FROZEN_NODE );
if( this.inStateOrTransition( ENDED_NODE ) || !this.checkValidNode() )
return;

if( !(this.isTransition( this.eCurrentState, ENDED_NODE ) ) )
log( 'BaseNode.end: end state not reachable in transition table' );

this.DBG( this.callInfo( 'end' ), getCurrentSystemTime() );

var aStateTrans = new StateTransition( this );
if( aStateTrans.enter( ENDED_NODE, true /* FORCE */ ) )
{
this.deactivate_st( ENDED_NODE );
aStateTrans.commit();

if( !bIsFrozenOrInTransitionToFrozen )
this.notifyEndListeners();

if( this.aActivationEvent )
this.aActivationEvent.dispose();
if( this.aDeactivationEvent )
this.aDeactivationEvent.dispose();
}
};

BaseNode.prototype.dispose = function()
{
if( this.aActivationEvent )
this.aActivationEvent.dispose();
if( this.aDeactivationEvent )
this.aDeactivationEvent.dispose();
this.aDeactivatingListenerArray = [];
};

BaseNode.prototype.getState = function()
{
return this.eCurrentState;
};

BaseNode.prototype.registerDeactivatingListener = function( aNotifiee )
{
if (! this.checkValidNode())
return false;

if( !aNotifiee )
{
log( 'BaseNode.registerDeactivatingListener(): invalid notifee' );
return false;
}
this.aDeactivatingListenerArray.push( aNotifiee );

return true;
};

BaseNode.prototype.notifyDeactivating = function( aNotifier )
{
assert( ( aNotifier.getState() == FROZEN_NODE ) || ( aNotifier.getState() == ENDED_NODE ),
'BaseNode.notifyDeactivating: Notifier node is neither in FROZEN nor in ENDED state' );
};

BaseNode.prototype.isMainSequenceRootNode = function()
{
return this.bMainSequenceRootNode;
};

BaseNode.prototype.isInteractiveSequenceRootNode = function()
{
return this.bInteractiveSequenceRootNode;
};

BaseNode.prototype.makeDeactivationEvent = function( nDelay )
{
if( this.aDeactivationEvent )
{
this.aDeactivationEvent.charge();
}
else
{
if( typeof( nDelay ) == typeof(0) )
this.aDeactivationEvent = makeDelay( bind( this, this.deactivate ), nDelay );
else
this.aDeactivationEvent = null;
}
return this.aDeactivationEvent;
};

BaseNode.prototype.scheduleDeactivationEvent = function( aEvent )
{
this.DBG( this.callInfo( 'scheduleDeactivationEvent' ) );

if( !aEvent )
{
if( this.getDuration() && this.getDuration().isValue() )
aEvent = this.makeDeactivationEvent( this.getDuration().getValue() );
}
if( aEvent )
{
this.aContext.aTimerEventQueue.addEvent( aEvent );
}
};

BaseNode.prototype.checkValidNode = function()
{
return ( this.eCurrentState != INVALID_NODE );
};

BaseNode.prototype.init_st = function()
{
return true;
};

BaseNode.prototype.resolve_st = function()
{
return true;
};

BaseNode.prototype.activate_st = function()
{
this.scheduleDeactivationEvent();
};

BaseNode.prototype.deactivate_st = function( aNodeState )
{
};

BaseNode.prototype.notifyEndListeners = function()
{
var nDeactivatingListenerCount = this.aDeactivatingListenerArray.length;

for( var i = 0; i < nDeactivatingListenerCount; ++i )
{
this.aDeactivatingListenerArray[i].notifyDeactivating( this );
}

this.aContext.aEventMultiplexer.notifyEvent( EVENT_TRIGGER_END_EVENT, this.getId() );
if( this.getParentNode() && this.getParentNode().isMainSequenceRootNode() )
this.aContext.aEventMultiplexer.notifyNextEffectEndEvent();
};

BaseNode.prototype.getContext = function()
{
return this.aContext;
};

BaseNode.prototype.isTransition = function( eFromState, eToState )
{
return ( ( this.aStateTransTable[ eFromState ] & eToState ) != 0 );
};

BaseNode.prototype.inStateOrTransition = function( nMask )
{
return ( ( ( this.eCurrentState & nMask ) != 0 ) || ( ( this.nCurrentStateTransition & nMask ) != 0 ) );
};

BaseNode.prototype.isContainer = function()
{
return this.bIsContainer;
};

BaseNode.prototype.getBegin = function()
{
return this.aBegin;
};

BaseNode.prototype.getDuration = function()
{
return this.aDuration;
};

BaseNode.prototype.getEnd = function()
{
return this.aEnd;
};

BaseNode.prototype.getFillMode = function()
{
return this.eFillMode;
};

BaseNode.prototype.getRestartMode = function()
{
return this.eRestartMode;
};

BaseNode.prototype.getRepeatCount = function()
{
return this.nReapeatCount;
};

BaseNode.prototype.getAccelerateValue = function()
{
return this.nAccelerate;
};

BaseNode.prototype.getDecelerateValue = function()
{
return this.nDecelerate;
};

BaseNode.prototype.isAutoReverseEnabled = function()
{
return this.bAutoreverse;
};

BaseNode.prototype.info = function( bVerbose )
{
var sInfo = 'class name: ' + this.sClassName;
sInfo += ';  element name: ' + this.aElement.localName;
sInfo += ';  id: ' + this.getId();
sInfo += ';  state: ' + getNodeStateName( this.getState() );

if( bVerbose )
{
sInfo += ';  is container: ' + this.isContainer();

if( this.getBegin() )
sInfo += ';  begin: ' + this.getBegin().info();

if( this.getDuration() )
sInfo += ';  dur: ' + this.getDuration().info();

if( this.getEnd() )
sInfo += ';  end: ' + this.getEnd().info();

if( this.getFillMode() )
sInfo += ';  fill: ' + aFillModeOutMap[ this.getFillMode() ];

if( this.getRestartMode() )
sInfo += ';  restart: ' + aRestartModeOutMap[ this.getRestartMode() ];

if( this.getRepeatCount() && ( this.getRepeatCount() != 1.0 ) )
sInfo += ';  repeatCount: ' + this.getRepeatCount();

if( this.getAccelerateValue() )
sInfo += ';  accelerate: ' + this.getAccelerateValue();

if( this.getDecelerateValue() )
sInfo += ';  decelerate: ' + this.getDecelerateValue();

if( this.isAutoReverseEnabled() )
sInfo += ';  autoReverse: true';

}

return sInfo;
};

BaseNode.prototype.callInfo = function( sMethodName )
{
var sInfo = this.sClassName +
'( ' + this.getId() +
', ' + getNodeStateName( this.getState() ) +
' ).' + sMethodName;
return sInfo;
};

BaseNode.prototype.DBG = function( sMessage, nTime )
{
ANIMDBG.print( sMessage, nTime );
};


function AnimationBaseNode( aAnimElem, aParentNode, aNodeContext )
{
AnimationBaseNode.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'AnimationBaseNode';
this.bIsContainer = false;
this.aTargetElement = null;
this.bIsTargetTextElement = false;
this.aAnimatedElement = null;
this.aActivity = null;

this.nMinFrameCount = undefined;
this.eAdditiveMode = undefined;

}
extend( AnimationBaseNode, BaseNode );


AnimationBaseNode.prototype.parseElement = function()
{
var bRet = AnimationBaseNode.superclass.parseElement.call( this );

var aAnimElem = this.aElement;

this.aTargetElement = null;
var sTargetElementAttr = aAnimElem.getAttributeNS( NSS['smil'], 'targetElement' );
if( sTargetElementAttr )
this.aTargetElement = document.getElementById( sTargetElementAttr );

if( !this.aTargetElement )
{
this.eCurrentState = INVALID_NODE;
log( 'AnimationBaseNode.parseElement: target element not found: ' + sTargetElementAttr );
}

var sSubItemAttr = aAnimElem.getAttributeNS( NSS['anim'], 'sub-item' );
this.bIsTargetTextElement = ( sSubItemAttr && ( sSubItemAttr === 'text' ) );

var sAdditiveAttr = aAnimElem.getAttributeNS( NSS['smil'], 'additive' );
if( sAdditiveAttr && aAddittiveModeInMap[sAdditiveAttr] )
this.eAdditiveMode = aAddittiveModeInMap[sAdditiveAttr];
else
this.eAdditiveMode = ADDITIVE_MODE_REPLACE;

this.nMinFrameCount = ( this.getDuration().isValue() )
? ( this.getDuration().getValue() * MINIMUM_FRAMES_PER_SECONDS )
: MINIMUM_FRAMES_PER_SECONDS;
if( this.nMinFrameCount < 1.0 )
this.nMinFrameCount = 1;
else if( this.nMinFrameCount > MINIMUM_FRAMES_PER_SECONDS )
this.nMinFrameCount = MINIMUM_FRAMES_PER_SECONDS;


if( this.aTargetElement )
{
if( aAnimElem.getAttributeNS( NSS['smil'], 'attributeName' ) === 'visibility' )
{
if( aAnimElem.getAttributeNS( NSS['smil'], 'to' ) === 'visible' )
this.aTargetElement.setAttribute( 'visibility', 'hidden' );
}

if( !this.aNodeContext.aAnimatedElementMap[ sTargetElementAttr ] )
{
if( this.bIsTargetTextElement )
{
this.aNodeContext.aAnimatedElementMap[ sTargetElementAttr ]
= new AnimatedTextElement( this.aTargetElement );
}
else
{
this.aNodeContext.aAnimatedElementMap[ sTargetElementAttr ]
= new AnimatedElement( this.aTargetElement );
}
}
this.aAnimatedElement = this.aNodeContext.aAnimatedElementMap[ sTargetElementAttr ];

this.aAnimatedElement.setAdditiveMode( this.eAdditiveMode );
}


return bRet;
};

AnimationBaseNode.prototype.init_st = function()
{
if( this.aActivity )
this.aActivity.activate( makeEvent( bind( this, this.deactivate ) ) );
else
this.aActivity = this.createActivity();
return true;
};

AnimationBaseNode.prototype.resolve_st = function()
{
return true;
};

AnimationBaseNode.prototype.activate_st = function()
{
if( this.aActivity )
{
this.saveStateOfAnimatedElement();
this.aActivity.setTargets( this.getAnimatedElement() );
if( this.getContext().bIsSkipping  )
{
this.aActivity.end();
}
else
{
this.getContext().aActivityQueue.addActivity( this.aActivity );
}
}
else
{
AnimationBaseNode.superclass.scheduleDeactivationEvent.call( this );
}

};

AnimationBaseNode.prototype.deactivate_st = function( eDestState )
{
if( eDestState == FROZEN_NODE )
{
if( this.aActivity )
this.aActivity.end();
}
if( eDestState == ENDED_NODE )
{
if( this.aActivity )
this.aActivity.dispose();
if( ( this.getFillMode() == FILL_MODE_REMOVE ) && this.getAnimatedElement()  )
this.removeEffect();
}
};

AnimationBaseNode.prototype.createActivity = function()
{
log( 'AnimationBaseNode.createActivity: abstract method called' );
};

AnimationBaseNode.prototype.fillActivityParams = function()
{

var nDuration = 0.001;
if( this.getDuration().isValue() )
{
nDuration = this.getDuration().getValue();
}
else
{
log( 'AnimationBaseNode.fillActivityParams: duration is not a number' );
}

var aActivityParamSet = new ActivityParamSet();

aActivityParamSet.aEndEvent             = makeEvent( bind( this, this.deactivate ) );
aActivityParamSet.aTimerEventQueue      = this.aContext.aTimerEventQueue;
aActivityParamSet.aActivityQueue        = this.aContext.aActivityQueue;
aActivityParamSet.nMinDuration          = nDuration;
aActivityParamSet.nMinNumberOfFrames    = this.getMinFrameCount();
aActivityParamSet.bAutoReverse          = this.isAutoReverseEnabled();
aActivityParamSet.nRepeatCount          = this.getRepeatCount();
aActivityParamSet.nAccelerationFraction = this.getAccelerateValue();
aActivityParamSet.nDecelerationFraction = this.getDecelerateValue();
aActivityParamSet.nSlideWidth           = this.aNodeContext.aSlideWidth;
aActivityParamSet.nSlideHeight          = this.aNodeContext.aSlideHeight;

return aActivityParamSet;
};

AnimationBaseNode.prototype.hasPendingAnimation = function()
{
return true;
};

AnimationBaseNode.prototype.saveStateOfAnimatedElement = function()
{
this.getAnimatedElement().saveState( this.getId() );
};

AnimationBaseNode.prototype.removeEffect = function()
{
this.getAnimatedElement().restoreState( this.getId() );
};

AnimationBaseNode.prototype.getTargetElement = function()
{
return this.aTargetElement;
};

AnimationBaseNode.prototype.getAnimatedElement = function()
{
return this.aAnimatedElement;
};

AnimationBaseNode.prototype.dispose= function()
{
if( this.aActivity )
this.aActivity.dispose();

AnimationBaseNode.superclass.dispose.call( this );
};

AnimationBaseNode.prototype.getMinFrameCount = function()
{
return this.nMinFrameCount;
};

AnimationBaseNode.prototype.getAdditiveMode = function()
{
return this.eAdditiveMode;
};

AnimationBaseNode.prototype.info = function( bVerbose )
{
var sInfo = AnimationBaseNode.superclass.info.call( this, bVerbose );

if( bVerbose )
{
if( this.getMinFrameCount() )
sInfo += ';  min frame count: ' + this.getMinFrameCount();

sInfo += ';  additive: ' + aAddittiveModeOutMap[ this.getAdditiveMode() ];

if( this.getTargetElement() )
{
var sElemId = this.getTargetElement().getAttribute( 'id' );
sInfo += ';  targetElement: ' +  sElemId;
}
}

return sInfo;
};


function AnimationBaseNode2( aAnimElem, aParentNode, aNodeContext )
{
AnimationBaseNode2.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sAttributeName = '';
this.aToValue = null;

}
extend( AnimationBaseNode2, AnimationBaseNode );


AnimationBaseNode2.prototype.parseElement = function()
{
var bRet = AnimationBaseNode2.superclass.parseElement.call( this );

var aAnimElem = this.aElement;

this.sAttributeName = aAnimElem.getAttributeNS( NSS['smil'], 'attributeName' );
if( !this.sAttributeName )
{
this.eCurrentState = INVALID_NODE;
log( 'AnimationBaseNode2.parseElement: target attribute name not found: ' + this.sAttributeName );
}

this.aToValue = aAnimElem.getAttributeNS( NSS['smil'], 'to' );

return bRet;
};

AnimationBaseNode2.prototype.getAttributeName = function()
{
return this.sAttributeName;
};

AnimationBaseNode2.prototype.getToValue = function()
{
return this.aToValue;
};

AnimationBaseNode2.prototype.info = function( bVerbose )
{
var sInfo = AnimationBaseNode2.superclass.info.call( this, bVerbose );

if( bVerbose )
{
if( this.getAttributeName() )
sInfo += ';  attributeName: ' + this.getAttributeName();

if( this.getToValue() )
sInfo += ';  to: ' + this.getToValue();
}

return sInfo;
};


function AnimationBaseNode3( aAnimElem, aParentNode, aNodeContext )
{
AnimationBaseNode3.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.eAccumulate = undefined;
this.eCalcMode = undefined;
this.aFromValue = null;
this.aByValue = null;
this.aKeyTimes = null;
this.aValues = null;
this.aFormula= null;
}
extend( AnimationBaseNode3, AnimationBaseNode2 );


AnimationBaseNode3.prototype.parseElement = function()
{
var bRet = AnimationBaseNode3.superclass.parseElement.call( this );

var aAnimElem = this.aElement;

this.eAccumulate = ACCUMULATE_MODE_NONE;
var sAccumulateAttr = aAnimElem.getAttributeNS( NSS['smil'], 'accumulate' );
if( sAccumulateAttr == 'sum' )
this.eAccumulate = ACCUMULATE_MODE_SUM;

this.eCalcMode = CALC_MODE_LINEAR;
var sCalcModeAttr = aAnimElem.getAttributeNS( NSS['smil'], 'calcMode' );
if( sCalcModeAttr && aCalcModeInMap[ sCalcModeAttr ] )
this.eCalcMode = aCalcModeInMap[ sCalcModeAttr ];

this.aFromValue = aAnimElem.getAttributeNS( NSS['smil'], 'from' );

this.aByValue = aAnimElem.getAttributeNS( NSS['smil'], 'by' );

this.aKeyTimes = [];
var sKeyTimesAttr = aAnimElem.getAttributeNS( NSS['smil'], 'keyTimes' );
sKeyTimesAttr = removeWhiteSpaces( sKeyTimesAttr );
if( sKeyTimesAttr )
{
var aKeyTimes = sKeyTimesAttr.split( ';' );
for( var i = 0; i < aKeyTimes.length; ++i )
this.aKeyTimes.push( parseFloat( aKeyTimes[i] ) );
}

var sValuesAttr = aAnimElem.getAttributeNS( NSS['smil'], 'values' );
if( sValuesAttr )
{
this.aValues = sValuesAttr.split( ';' );
}
else
{
this.aValues = [];
}

this.aFormula = aAnimElem.getAttributeNS( NSS['anim'], 'formula' );

return bRet;
};

AnimationBaseNode3.prototype.getAccumulate = function()
{
return this.eAccumulate;
};

AnimationBaseNode3.prototype.getCalcMode = function()
{
return this.eCalcMode;
};

AnimationBaseNode3.prototype.getFromValue = function()
{
return this.aFromValue;
};

AnimationBaseNode3.prototype.getByValue = function()
{
return this.aByValue;
};

AnimationBaseNode3.prototype.getKeyTimes = function()
{
return this.aKeyTimes;
};

AnimationBaseNode3.prototype.getValues = function()
{
return this.aValues;
};

AnimationBaseNode3.prototype.getFormula = function()
{
return this.aFormula;
};

AnimationBaseNode3.prototype.info = function( bVerbose )
{
var sInfo = AnimationBaseNode3.superclass.info.call( this, bVerbose );

if( bVerbose )
{
if( this.getAccumulate() )
sInfo += ';  accumulate: ' + aAccumulateModeOutMap[ this.getAccumulate() ];

sInfo += ';  calcMode: ' + aCalcModeOutMap[ this.getCalcMode() ];

if( this.getFromValue() )
sInfo += ';  from: ' + this.getFromValue();

if( this.getByValue() )
sInfo += ';  by: ' + this.getByValue();

if( this.getKeyTimes().length )
sInfo += ';  keyTimes: ' + this.getKeyTimes().join( ',' );

if( this.getKeyTimes().length )
sInfo += ';  values: ' + this.getValues().join( ',' );

if( this.getFormula() )
sInfo += ';  formula: ' + this.getFormula();
}

return sInfo;
};


function BaseContainerNode( aAnimElem, aParentNode, aNodeContext )
{
BaseContainerNode.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'BaseContainerNode';
this.bIsContainer = true;
this.aChildrenArray = [];
this.nFinishedChildren = 0;
this.bDurationIndefinite = false;
this.nLeftIterations = 1;

this.eImpressNodeType = undefined;
this.ePresetClass =  undefined;
this.ePresetId =  undefined;
}
extend( BaseContainerNode, BaseNode );


BaseContainerNode.prototype.parseElement= function()
{
var bRet = BaseContainerNode.superclass.parseElement.call( this );

var aAnimElem = this.aElement;

this.eImpressNodeType = IMPRESS_DEFAULT_NODE;
var sNodeTypeAttr = aAnimElem.getAttributeNS( NSS['presentation'], 'node-type' );
if( sNodeTypeAttr && aImpressNodeTypeInMap[ sNodeTypeAttr ] )
this.eImpressNodeType = aImpressNodeTypeInMap[ sNodeTypeAttr ];
this.bMainSequenceRootNode = ( this.eImpressNodeType == IMPRESS_MAIN_SEQUENCE_NODE );
this.bInteractiveSequenceRootNode = ( this.eImpressNodeType == IMPRESS_INTERACTIVE_SEQUENCE_NODE );

this.ePresetClass =  undefined;
var sPresetClassAttr = aAnimElem.getAttributeNS( NSS['presentation'], 'preset-class' );
if( sPresetClassAttr && aPresetClassInMap[ sPresetClassAttr ] )
this.ePresetClass = aPresetClassInMap[ sPresetClassAttr ];

this.ePresetId =  undefined;
var sPresetIdAttr = aAnimElem.getAttributeNS( NSS['presentation'], 'preset-id' );
if( sPresetIdAttr && aPresetIdInMap[ sPresetIdAttr ] )
this.ePresetId = aPresetIdInMap[ sPresetIdAttr ];


var nChildrenCount = this.aChildrenArray.length;
for( var i = 0; i < nChildrenCount; ++i )
{
this.aChildrenArray[i].parseElement();
}


this.bDurationIndefinite
= ( !this.getDuration() || this.getDuration().isIndefinite()  ) &&
( !this.getEnd() || ( this.getEnd().getType() != OFFSET_TIMING ) );

return bRet;
};

BaseContainerNode.prototype.appendChildNode = function( aAnimationNode )
{
if( ! this.checkValidNode() )
return ;

if( aAnimationNode.registerDeactivatingListener( this ) )
this.aChildrenArray.push( aAnimationNode );
};

BaseContainerNode.prototype.init_st = function()
{
this.nLeftIterations = this.getRepeatCount();

return this.init_children();
};

BaseContainerNode.prototype.init_children = function()
{
this.nFinishedChildren = 0;
var nChildrenCount = this.aChildrenArray.length;
var nInitChildren = 0;
for( var i = 0; i < nChildrenCount; ++i )
{
if( this.aChildrenArray[i].init() )
{
++nInitChildren;
}
}
return ( nChildrenCount == nInitChildren );
};


BaseContainerNode.prototype.deactivate_st = function( eDestState )
{
this.nLeftIterations = 0;
if( eDestState == FROZEN_NODE )
{
this.forEachChildNode( mem_fn( 'deactivate' ), ~( FROZEN_NODE | ENDED_NODE ) );
}
else
{
this.forEachChildNode( mem_fn( 'end' ), ~ENDED_NODE );
if( this.getFillMode() == FILL_MODE_REMOVE )
this.removeEffect();
}
};

BaseContainerNode.prototype.hasPendingAnimation = function()
{
var nChildrenCount = this.aChildrenArray.length;
for( var i = 0; i < nChildrenCount; ++i )
{
if( this.aChildrenArray[i].hasPendingAnimation() )
return true;
}
return false;
};

BaseContainerNode.prototype.activate_st = function()
{
log( 'BaseContainerNode.activate_st: abstract method called' );
};

BaseContainerNode.prototype.notifyDeactivating = function( aAnimationNode )
{
log( 'BaseContainerNode.notifyDeactivating: abstract method called' );
};

BaseContainerNode.prototype.isDurationIndefinite = function()
{
return this.bDurationIndefinite;
};

BaseContainerNode.prototype.isChildNode = function( aAnimationNode )
{
var nChildrenCount = this.aChildrenArray.length;
for( var i = 0; i < nChildrenCount; ++i )
{
if( this.aChildrenArray[i].getId() == aAnimationNode.getId() )
return true;
}
return false;
};

BaseContainerNode.prototype.notifyDeactivatedChild = function( aChildNode )
{
assert( ( aChildNode.getState() == FROZEN_NODE ) || ( aChildNode.getState() == ENDED_NODE ),
'BaseContainerNode.notifyDeactivatedChild: passed child node is neither in FROZEN nor in ENDED state' );

assert( this.getState() != INVALID_NODE,
'BaseContainerNode.notifyDeactivatedChild: this node is invalid' );

if( !this.isChildNode( aChildNode ) )
{
log( 'BaseContainerNode.notifyDeactivatedChild: unknown child notifier!' );
return false;
}

var nChildrenCount = this.aChildrenArray.length;

assert( ( this.nFinishedChildren < nChildrenCount ),
'BaseContainerNode.notifyDeactivatedChild: assert(this.nFinishedChildren < nChildrenCount) failed' );

++this.nFinishedChildren;
var bFinished = ( this.nFinishedChildren >= nChildrenCount );

if( bFinished && this.isDurationIndefinite() )
{
if( this.nLeftIterations >= 1.0 )
{
this.nLeftIterations -= 1.0;
}
if( this.nLeftIterations >= 1.0 )
{
bFinished = false;
var aRepetitionEvent = makeDelay( bind( this, this.repeat ), 0.0 );
this.aContext.aTimerEventQueue.addEvent( aRepetitionEvent );
}
else
{
this.deactivate();
}
}

return bFinished;
};

BaseContainerNode.prototype.repeat = function()
{
this.forEachChildNode( mem_fn( 'end' ), ~ENDED_NODE );
this.removeEffect();
var bInitialized = this.init_children();
if( bInitialized )
this.activate_st();
return bInitialized;
};

BaseContainerNode.prototype.removeEffect = function()
{
var nChildrenCount = this.aChildrenArray.length;
if( nChildrenCount == 0 )
return;
for( var i = nChildrenCount - 1; i >= 0; --i )
{
if( ( this.aChildrenArray[i].getState() & ( FROZEN_NODE | ENDED_NODE ) ) == 0 )
{
log( 'BaseContainerNode.removeEffect: child(id:'
+ this.aChildrenArray[i].getId() + ') is neither frozen nor ended;'
+ ' state: '
+ aTransitionModeOutMap[ this.aChildrenArray[i].getState() ] );
continue;
}
this.aChildrenArray[i].removeEffect();
}
};

BaseContainerNode.prototype.saveStateOfAnimatedElement = function()
{
var nChildrenCount = this.aChildrenArray.length;
for( var i = 0; i < nChildrenCount; ++i )
{
this.aChildrenArray[i].saveStateOfAnimatedElement();
}
};

BaseContainerNode.prototype.forEachChildNode = function( aFunction, eNodeStateMask )
{
if( !eNodeStateMask )
eNodeStateMask = -1;

var nChildrenCount = this.aChildrenArray.length;
for( var i = 0; i < nChildrenCount; ++i )
{
if( ( eNodeStateMask != -1 ) && ( ( this.aChildrenArray[i].getState() & eNodeStateMask ) == 0 ) )
continue;
aFunction( this.aChildrenArray[i] );
}
};

BaseContainerNode.prototype.dispose = function()
{
var nChildrenCount = this.aChildrenArray.length;
for( var i = 0; i < nChildrenCount; ++i )
{
this.aChildrenArray[i].dispose();
}

BaseContainerNode.superclass.dispose.call( this );
};

BaseContainerNode.prototype.getImpressNodeType = function()
{
return this.eImpressNodeType;
};

BaseContainerNode.prototype.info = function( bVerbose )
{
var sInfo = BaseContainerNode.superclass.info.call( this, bVerbose );

if( bVerbose )
{
if( this.getImpressNodeType() )
sInfo += ';  node-type: ' + aImpressNodeTypeOutMap[ this.getImpressNodeType() ];
}

var nChildrenCount = this.aChildrenArray.length;
for( var i = 0; i < nChildrenCount; ++i )
{
sInfo += '\n';
sInfo += this.aChildrenArray[i].info( bVerbose );
}

return sInfo;
};


function ParallelTimeContainer( aAnimElem, aParentNode, aNodeContext )
{
ParallelTimeContainer.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'ParallelTimeContainer';
}
extend( ParallelTimeContainer, BaseContainerNode );


ParallelTimeContainer.prototype.activate_st = function()
{
var nChildrenCount = this.aChildrenArray.length;
var nResolvedChildren = 0;
for( var i = 0; i < nChildrenCount; ++i )
{
if( this.aChildrenArray[i].resolve() )
{
++nResolvedChildren;
}
}

if( nChildrenCount != nResolvedChildren )
{
log( 'ParallelTimeContainer.activate_st: resolving all children failed' );
return;
}


if( this.isDurationIndefinite() && ( nChildrenCount == 0  ) )
{
this.scheduleDeactivationEvent( this.makeDeactivationEvent( 0.0 ) );
}
else
{
this.scheduleDeactivationEvent();
}
};

ParallelTimeContainer.prototype.notifyDeactivating = function( aAnimationNode )
{
this.notifyDeactivatedChild( aAnimationNode );
};


function SequentialTimeContainer( aAnimElem, aParentNode, aNodeContext )
{
SequentialTimeContainer.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'SequentialTimeContainer';
this.bIsRewinding = false;
this.aCurrentSkipEvent = null;
this.aRewindCurrentEffectEvent = null;
this.aRewindLastEffectEvent = null;
}
extend( SequentialTimeContainer, BaseContainerNode );


SequentialTimeContainer.prototype.activate_st = function()
{
var nChildrenCount = this.aChildrenArray.length;
for( ; this.nFinishedChildren < nChildrenCount; ++this.nFinishedChildren )
{
if( this.resolveChild( this.aChildrenArray[ this.nFinishedChildren ] ) )
break;
else
log( 'SequentialTimeContainer.activate_st: resolving child failed!' );
}

if( this.isDurationIndefinite() && ( ( nChildrenCount == 0 ) || ( this.nFinishedChildren >= nChildrenCount ) ) )
{
this.scheduleDeactivationEvent( this.makeDeactivationEvent( 0.0 ) );
}
else
{
this.scheduleDeactivationEvent();
}
};

SequentialTimeContainer.prototype.notifyDeactivating = function( aNotifier )
{
if( this.bIsRewinding )
return;

if( this.notifyDeactivatedChild( aNotifier ) )
return;

assert( this.nFinishedChildren < this.aChildrenArray.length,
'SequentialTimeContainer.notifyDeactivating: assertion (this.nFinishedChildren < this.aChildrenArray.length) failed' );

var aNextChild = this.aChildrenArray[ this.nFinishedChildren ];

assert( aNextChild.getState() == UNRESOLVED_NODE,
'SequentialTimeContainer.notifyDeactivating: assertion (aNextChild.getState == UNRESOLVED_NODE) failed' );

if( !this.resolveChild( aNextChild ) )
{
this.deactivate();
}
};

SequentialTimeContainer.prototype.skipEffect = function( aChildNode )
{
if( this.isChildNode( aChildNode ) )
{
this.getContext().aActivityQueue.endAll();
this.getContext().bIsSkipping = true;
this.getContext().aTimerEventQueue.forceEmpty();
this.getContext().bIsSkipping = false;
var aEvent = makeEvent( bind2( aChildNode.deactivate, aChildNode ) );
this.getContext().aTimerEventQueue.addEvent( aEvent );
}
else
{
log( 'SequentialTimeContainer.skipEffect: unknown child: '
+ aChildNode.getId() );
}
};

SequentialTimeContainer.prototype.rewindCurrentEffect = function( aChildNode )
{
if( this.isChildNode( aChildNode ) )
{
assert( !this.bIsRewinding,
'SequentialTimeContainer.rewindCurrentEffect: is already rewinding.' );

this.bIsRewinding = true;
this.getContext().aActivityQueue.endAll();
this.getContext().bIsSkipping = true;
this.getContext().aTimerEventQueue.forceEmpty();
this.getContext().bIsSkipping = false;
this.getContext().aActivityQueue.endAll();

aChildNode.end();
aChildNode.removeEffect();
aChildNode.init();
this.resolveChild( aChildNode );
this.notifyRewindedEvent( aChildNode );
this.bIsRewinding = false;
}
else
{
log( 'SequentialTimeContainer.rewindCurrentEffect: unknown child: '
+ aChildNode.getId() );
}
};

SequentialTimeContainer.prototype.rewindLastEffect = function( aChildNode )
{
if( this.isChildNode( aChildNode ) )
{
assert( !this.bIsRewinding,
'SequentialTimeContainer.rewindLastEffect: is already rewinding.' );

this.bIsRewinding = true;
this.getContext().aTimerEventQueue.forceEmpty();
this.getContext().aActivityQueue.clear();
aChildNode.end();

--this.nFinishedChildren;
var aPreviousChildNode = this.aChildrenArray[ this.nFinishedChildren ];

aPreviousChildNode.removeEffect();
aPreviousChildNode.init();
aChildNode.init();
this.resolveChild( aPreviousChildNode );
this.notifyRewindedEvent( aChildNode );
this.bIsRewinding = false;
}
else
{
log( 'SequentialTimeContainer.rewindLastEffect: unknown child: '
+ aChildNode.getId() );
}
};

SequentialTimeContainer.prototype.resolveChild = function( aChildNode )
{
var bResolved = aChildNode.resolve();

if( bResolved && ( this.isMainSequenceRootNode() || this.isInteractiveSequenceRootNode() ) )
{
if( this.aCurrentSkipEvent )
this.aCurrentSkipEvent.dispose();
this.aCurrentSkipEvent = makeEvent( bind2( SequentialTimeContainer.prototype.skipEffect, this, aChildNode ) );

if( this.aRewindCurrentEffectEvent )
this.aRewindCurrentEffectEvent.dispose();
this.aRewindCurrentEffectEvent = makeEvent( bind2( SequentialTimeContainer.prototype.rewindCurrentEffect, this, aChildNode ) );

if( this.aRewindLastEffectEvent )
this.aRewindLastEffectEvent.dispose();
this.aRewindLastEffectEvent = makeEvent( bind2( SequentialTimeContainer.prototype.rewindLastEffect, this, aChildNode ) );

if( this.isMainSequenceRootNode() )
{
this.aContext.aEventMultiplexer.registerSkipEffectEvent( this.aCurrentSkipEvent );
this.aContext.aEventMultiplexer.registerRewindCurrentEffectEvent( this.aRewindCurrentEffectEvent );
this.aContext.aEventMultiplexer.registerRewindLastEffectEvent( this.aRewindLastEffectEvent );
}
else if( this.isInteractiveSequenceRootNode() )
{
this.aContext.aEventMultiplexer.registerSkipInteractiveEffectEvent( aChildNode.getId(), this.aCurrentSkipEvent );
this.aContext.aEventMultiplexer.registerRewindRunningInteractiveEffectEvent( aChildNode.getId(), this.aRewindCurrentEffectEvent );
this.aContext.aEventMultiplexer.registerRewindEndedInteractiveEffectEvent( aChildNode.getId(), this.aRewindLastEffectEvent );
}
}
return bResolved;
};

SequentialTimeContainer.prototype.notifyRewindedEvent = function( aChildNode )
{
if( this.isInteractiveSequenceRootNode() )
{
this.aContext.aEventMultiplexer.notifyRewindedEffectEvent( aChildNode.getId() );

var sId = aChildNode.getBegin().getEventBaseElementId();
if( sId )
{
this.aContext.aEventMultiplexer.notifyRewindedEffectEvent( sId );
}
}
};

SequentialTimeContainer.prototype.dispose = function()
{
if( this.aCurrentSkipEvent )
this.aCurrentSkipEvent.dispose();

SequentialTimeContainer.superclass.dispose.call( this );
};


function PropertyAnimationNode(  aAnimElem, aParentNode, aNodeContext )
{
PropertyAnimationNode.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'PropertyAnimationNode';
}
extend( PropertyAnimationNode, AnimationBaseNode3 );


PropertyAnimationNode.prototype.createActivity = function()
{


var aActivityParamSet = this.fillActivityParams();

var aAnimation = createPropertyAnimation( this.getAttributeName(),
this.getAnimatedElement(),
this.aNodeContext.aSlideWidth,
this.aNodeContext.aSlideHeight );

var aInterpolator = null;  // createActivity will compute it;
return createActivity( aActivityParamSet, this, aAnimation, aInterpolator );

};


function AnimationSetNode(  aAnimElem, aParentNode, aNodeContext )
{
AnimationSetNode.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'AnimationSetNode';
}
extend( AnimationSetNode, AnimationBaseNode2 );


AnimationSetNode.prototype.createActivity = function()
{
var aAnimation = createPropertyAnimation( this.getAttributeName(),
this.getAnimatedElement(),
this.aNodeContext.aSlideWidth,
this.aNodeContext.aSlideHeight );

var aActivityParamSet = this.fillActivityParams();

return new SetActivity( aActivityParamSet, aAnimation, this.getToValue() );
};


function AnimationColorNode(  aAnimElem, aParentNode, aNodeContext )
{
AnimationColorNode.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'AnimationColorNode';

this.eColorInterpolation = undefined;
this.eColorInterpolationDirection = undefined;
}
extend( AnimationColorNode, AnimationBaseNode3 );


AnimationColorNode.prototype.parseElement = function()
{
var bRet = AnimationColorNode.superclass.parseElement.call( this );

var aAnimElem = this.aElement;

this.eColorInterpolation = COLOR_SPACE_RGB;
var sColorInterpolationAttr = aAnimElem.getAttributeNS( NSS['anim'], 'color-interpolation' );
if( sColorInterpolationAttr && aColorSpaceInMap[ sColorInterpolationAttr ] )
this.eColorInterpolation = aColorSpaceInMap[ sColorInterpolationAttr ];

this.eColorInterpolationDirection = CLOCKWISE;
var sColorInterpolationDirectionAttr = aAnimElem.getAttributeNS( NSS['anim'], 'color-interpolation-direction' );
if( sColorInterpolationDirectionAttr && aClockDirectionInMap[ sColorInterpolationDirectionAttr ] )
this.eColorInterpolationDirection = aClockDirectionInMap[ sColorInterpolationDirectionAttr ];

return bRet;
};

AnimationColorNode.prototype.createActivity = function()
{


var aActivityParamSet = this.fillActivityParams();

var aAnimation = createPropertyAnimation( this.getAttributeName(),
this.getAnimatedElement(),
this.aNodeContext.aSlideWidth,
this.aNodeContext.aSlideHeight );

var aColorAnimation;
var aInterpolator;
if( this.getColorInterpolation() === COLOR_SPACE_HSL )
{
ANIMDBG.print( 'AnimationColorNode.createActivity: color space hsl'  );
aColorAnimation = new HSLAnimationWrapper( aAnimation );
var aInterpolatorMaker = aInterpolatorHandler.getInterpolator( this.getCalcMode(),
COLOR_PROPERTY,
COLOR_SPACE_HSL );
aInterpolator = aInterpolatorMaker( this.getColorInterpolationDirection() );
}
else
{
ANIMDBG.print( 'AnimationColorNode.createActivity: color space rgb'  );
aColorAnimation = aAnimation;
aInterpolator = aInterpolatorHandler.getInterpolator( this.getCalcMode(),
COLOR_PROPERTY,
COLOR_SPACE_RGB );
}

return createActivity( aActivityParamSet, this, aColorAnimation, aInterpolator );


};

AnimationColorNode.prototype.getColorInterpolation = function()
{
return this.eColorInterpolation;
};

AnimationColorNode.prototype.getColorInterpolationDirection = function()
{
return this.eColorInterpolationDirection;
};

AnimationColorNode.prototype.info = function( bVerbose )
{
var sInfo = AnimationColorNode.superclass.info.call( this, bVerbose );

if( bVerbose )
{
sInfo += ';  color-interpolation: ' + aColorSpaceOutMap[ this.getColorInterpolation() ];

sInfo += ';  color-interpolation-direction: ' + aClockDirectionOutMap[ this.getColorInterpolationDirection() ];
}
return sInfo;
};


function AnimationTransitionFilterNode(  aAnimElem, aParentNode, aNodeContext )
{
AnimationTransitionFilterNode.superclass.constructor.call( this, aAnimElem, aParentNode, aNodeContext );

this.sClassName = 'AnimationTransitionFilterNode';

this.eTransitionType = undefined;
this.eTransitionSubType = undefined;
this.bReverseDirection = undefined;
this.eTransitionMode = undefined;
}
extend( AnimationTransitionFilterNode, AnimationBaseNode );


AnimationTransitionFilterNode.prototype.createActivity = function()
{
var aActivityParamSet = this.fillActivityParams();

return createShapeTransition( aActivityParamSet,
this.getAnimatedElement(),
this.aNodeContext.aSlideWidth,
this.aNodeContext.aSlideHeight,
this );
};

AnimationTransitionFilterNode.prototype.parseElement = function()
{
var bRet = AnimationTransitionFilterNode.superclass.parseElement.call( this );
var bIsValidTransition = true;

var aAnimElem = this.aElement;

this.eTransitionType = undefined;
var sTypeAttr = aAnimElem.getAttributeNS( NSS['smil'], 'type' );
if( sTypeAttr && aTransitionTypeInMap[ sTypeAttr ] )
{
this.eTransitionType = aTransitionTypeInMap[ sTypeAttr ];
}
else
{
bIsValidTransition = false;
log( 'AnimationTransitionFilterNode.parseElement: transition type not valid: ' + sTypeAttr );
}

this.eTransitionSubType = undefined;
var sSubTypeAttr = aAnimElem.getAttributeNS( NSS['smil'], 'subtype' );
if( sSubTypeAttr === null )
sSubTypeAttr = 'default';
if( sSubTypeAttr && ( aTransitionSubtypeInMap[ sSubTypeAttr ] !== undefined  ) )
{
this.eTransitionSubType = aTransitionSubtypeInMap[ sSubTypeAttr ];
}
else
{
bIsValidTransition = false;
log( 'AnimationTransitionFilterNode.parseElement: transition subtype not valid: ' + sSubTypeAttr );
}

if( !bIsValidTransition )
{
this.eTransitionType = FADE_TRANSITION;
this.eTransitionSubType = CROSSFADE_TRANS_SUBTYPE;
log( 'AnimationTransitionFilterNode.parseElement: in place of the invalid transition a crossfade transition is used' );
}

this.bReverseDirection = false;
var sDirectionAttr = aAnimElem.getAttributeNS( NSS['smil'], 'direction' );
if( sDirectionAttr == 'reverse' )
this.bReverseDirection = true;

this.eTransitionMode = TRANSITION_MODE_IN;
var sModeAttr = aAnimElem.getAttributeNS( NSS['smil'], 'mode' );
if( sModeAttr === 'out' )
this.eTransitionMode = TRANSITION_MODE_OUT;

return bRet;
};

AnimationTransitionFilterNode.prototype.getTransitionType = function()
{
return this.eTransitionType;
};

AnimationTransitionFilterNode.prototype.getTransitionSubType = function()
{
return this.eTransitionSubType;
};

AnimationTransitionFilterNode.prototype.getTransitionMode = function()
{
return this.eTransitionMode;
};

AnimationTransitionFilterNode.prototype.getReverseDirection = function()
{
return this.bReverseDirection;
};

AnimationTransitionFilterNode.prototype.info = function( bVerbose )
{
var sInfo = AnimationTransitionFilterNode.superclass.info.call( this, bVerbose );

if( bVerbose )
{
sInfo += ';  type: ' + aTransitionTypeOutMap[ String( this.getTransitionType() ) ];

sInfo += ';  subtype: ' + aTransitionSubtypeOutMap[ this.getTransitionSubType() ];

if( this.getReverseDirection() )
sInfo += ';  direction: reverse';
}

return sInfo;
};


function createAnimationTree( aRootElement, aNodeContext )
{
return createAnimationNode( aRootElement, null, aNodeContext );
}


function createAnimationNode( aElement, aParentNode, aNodeContext )
{
assert( aElement, 'createAnimationNode: invalid animation element' );

var eAnimationNodeType = getAnimationElementType( aElement );

var aCreatedNode = null;
var aCreatedContainer = null;

switch( eAnimationNodeType )
{
case ANIMATION_NODE_PAR:
aCreatedNode = aCreatedContainer =
new ParallelTimeContainer( aElement, aParentNode, aNodeContext );
break;
case ANIMATION_NODE_ITERATE:
aCreatedNode = aCreatedContainer =
new ParallelTimeContainer( aElement, aParentNode, aNodeContext );
break;
case ANIMATION_NODE_SEQ:
aCreatedNode = aCreatedContainer =
new SequentialTimeContainer( aElement, aParentNode, aNodeContext );
break;
case ANIMATION_NODE_ANIMATE:
aCreatedNode = new PropertyAnimationNode( aElement, aParentNode, aNodeContext );
break;
case ANIMATION_NODE_SET:
aCreatedNode = new AnimationSetNode( aElement, aParentNode, aNodeContext );
break;
case ANIMATION_NODE_ANIMATEMOTION:
log( 'createAnimationNode: ANIMATEMOTION not implemented' );
return null;
case ANIMATION_NODE_ANIMATECOLOR:
aCreatedNode = new AnimationColorNode( aElement, aParentNode, aNodeContext );
break;
case ANIMATION_NODE_ANIMATETRANSFORM:
log( 'createAnimationNode: ANIMATETRANSFORM not implemented' );
return null;
case ANIMATION_NODE_TRANSITIONFILTER:
aCreatedNode = new AnimationTransitionFilterNode( aElement, aParentNode, aNodeContext );
break;
case ANIMATION_NODE_AUDIO:
log( 'createAnimationNode: AUDIO not implemented' );
return null;
case ANIMATION_NODE_COMMAND:
log( 'createAnimationNode: COMMAND not implemented' );
return null;
default:
log( 'createAnimationNode: invalid Animation Node Type: ' + eAnimationNodeType );
return null;
}

if( aCreatedContainer )
{
if( eAnimationNodeType == ANIMATION_NODE_ITERATE )
{
createIteratedNodes( aElement, aCreatedContainer, aNodeContext );
}
else
{
var aChildrenArray = getElementChildren( aElement );
for( var i = 0; i < aChildrenArray.length; ++i )
{
if( !createChildNode( aChildrenArray[i], aCreatedContainer, aNodeContext ) )
{
return null;
}
}
}
}

return aCreatedNode;
}


function createChildNode( aElement, aParentNode, aNodeContext )
{
var aChildNode = createAnimationNode( aElement, aParentNode, aNodeContext );

if( !aChildNode )
{
log( 'createChildNode: child node creation failed' );
return false;
}
else
{
aParentNode.appendChildNode( aChildNode );
return true;
}
}


function createIteratedNodes( aElement, aContainerNode, aNodeContext )
{
}


function makeScaler( nScale )
{
if( ( typeof( nScale ) !== typeof( 0 ) ) || !isFinite( nScale ) )
{
log( 'makeScaler: not valid param passed: ' + nScale );
return null;
}

return  function( nValue )
{
return ( nScale * nValue );
};
}


function createPropertyAnimation( sAttrName, aAnimatedElement, nWidth, nHeight )
{
if( !aAttributeMap[ sAttrName ] )
{
log( 'createPropertyAnimation: attribute is unknown' );
return null;
}


var aFunctorSet = aAttributeMap[ sAttrName ];

var sGetValueMethod =   aFunctorSet.get;
var sSetValueMethod =   aFunctorSet.set;

if( !sGetValueMethod || !sSetValueMethod  )
{
log( 'createPropertyAnimation: attribute is not handled' );
return null;
}

var aGetModifier =  eval( aFunctorSet.getmod );
var aSetModifier =  eval( aFunctorSet.setmod );


return new GenericAnimation( bind( aAnimatedElement, aAnimatedElement[ sGetValueMethod ] ),
bind( aAnimatedElement, aAnimatedElement[ sSetValueMethod ] ),
aGetModifier,
aSetModifier);
}


function createShapeTransition( aActivityParamSet, aAnimatedElement,
nSlideWidth, nSlideHeight,
aAnimatedTransitionFilterNode )
{
if( !aAnimatedTransitionFilterNode )
{
log( 'createShapeTransition: the animated transition filter node is not valid.' );
return null;
}
var eTransitionType = aAnimatedTransitionFilterNode.getTransitionType();
var eTransitionSubType = aAnimatedTransitionFilterNode.getTransitionSubType();
var bDirectionForward = ! aAnimatedTransitionFilterNode.getReverseDirection();
var bModeIn = ( aAnimatedTransitionFilterNode.getTransitionMode() == FORWARD );

var aTransitionInfo = aTransitionInfoTable[eTransitionType][eTransitionSubType];
var eTransitionClass = aTransitionInfo['class'];

switch( eTransitionClass )
{
default:
case TRANSITION_INVALID:
log( 'createShapeTransition: transition class: TRANSITION_INVALID' );
return null;

case TRANSITION_CLIP_POLYPOLYGON:
var aParametricPolyPolygon
= createClipPolyPolygon( eTransitionType, eTransitionSubType );
var aClippingAnimation
= new ClippingAnimation( aParametricPolyPolygon, aTransitionInfo,
bDirectionForward, bModeIn );
return new SimpleActivity( aActivityParamSet, aClippingAnimation, true );

case TRANSITION_SPECIAL:
switch( eTransitionType )
{
default:
var aAnimation
= createPropertyAnimation( 'opacity',
aAnimatedElement,
nSlideWidth,
nSlideHeight );
return new SimpleActivity( aActivityParamSet, aAnimation, bModeIn );
}
}

}


function ClippingAnimation( aParametricPolyPolygon, aTransitionInfo,
bDirectionForward, bModeIn )
{
this.aClippingFunctor = new ClippingFunctor( aParametricPolyPolygon,
aTransitionInfo,
bDirectionForward, bModeIn );
this.bAnimationStarted = false;
}

ClippingAnimation.prototype.start = function( aAnimatableElement )
{
assert( aAnimatableElement,
'ClippingAnimation.start: animatable element is not valid' );
this.aAnimatableElement = aAnimatableElement;
this.aAnimatableElement.initClipPath();
this.aAnimatableElement.notifyAnimationStart();

if( !this.bAnimationStarted )
this.bAnimationStarted = true;

};

ClippingAnimation.prototype.end = function()
{
if( this.bAnimationStarted )
{
this.aAnimatableElement.cleanClipPath();
this.bAnimationStarted = false;
this.aAnimatableElement.notifyAnimationEnd();
}
};

ClippingAnimation.prototype.perform = function( nValue )
{
var nWidth = this.aAnimatableElement.aClippingBBox.width;
var nHeight = this.aAnimatableElement.aClippingBBox.height;
var aPolyPolygonElement = this.aClippingFunctor.perform( nValue, nWidth, nHeight );
this.aAnimatableElement.setClipPath( aPolyPolygonElement );
};

ClippingAnimation.prototype.getUnderlyingValue = function()
{
return 0.0;
};


function GenericAnimation( aGetValueFunc, aSetValueFunc, aGetModifier, aSetModifier )
{
assert( aGetValueFunc && aSetValueFunc,
'GenericAnimation constructor: get value functor and/or set value functor are not valid' );

this.aGetValueFunc = aGetValueFunc;
this.aSetValueFunc = aSetValueFunc;
this.aGetModifier = aGetModifier;
this.aSetModifier = aSetModifier;
this.aAnimatableElement = null;
this.bAnimationStarted = false;
}


GenericAnimation.prototype.start = function( aAnimatableElement )
{
assert( aAnimatableElement, 'GenericAnimation.start: animatable element is not valid' );

this.aAnimatableElement = aAnimatableElement;
this.aAnimatableElement.notifyAnimationStart();

if( !this.bAnimationStarted )
this.bAnimationStarted = true;
};

GenericAnimation.prototype.end = function()
{
if( this.bAnimationStarted )
{
this.bAnimationStarted = false;
this.aAnimatableElement.notifyAnimationEnd();
}
};

GenericAnimation.prototype.perform = function( aValue )
{
if( this.aSetModifier )
aValue = this.aSetModifier( aValue );

this.aSetValueFunc( aValue );
};

GenericAnimation.prototype.getUnderlyingValue = function()
{
var aValue = this.aGetValueFunc();
if( this.aGetModifier )
aValue = this.aGetModifier( aValue );
return aValue;
};


function HSLAnimationWrapper( aColorAnimation )
{
assert( aColorAnimation,
'HSLAnimationWrapper constructor: invalid color animation delegate' );

this.aAnimation = aColorAnimation;
}


HSLAnimationWrapper.prototype.start = function( aAnimatableElement )
{
this.aAnimation.start( aAnimatableElement );
};

HSLAnimationWrapper.prototype.end = function()
{
this.aAnimation.end();
};
HSLAnimationWrapper.prototype.perform = function( aHSLValue )
{
this.aAnimation.perform( aHSLValue.convertToRGB() );
};

HSLAnimationWrapper.prototype.getUnderlyingValue = function()
{
return this.aAnimation.getUnderlyingValue().convertToHSL();
};


function SlideChangeBase(aLeavingSlide, aEnteringSlide)
{
this.aLeavingSlide = aLeavingSlide;
this.aEnteringSlide = aEnteringSlide;
this.bIsFinished = false;
}

SlideChangeBase.prototype.start = function()
{
};

SlideChangeBase.prototype.end = function()
{
if( this.bIsFinished )
return;

this.aLeavingSlide.hide();
this.aEnteringSlide.reset();
this.aLeavingSlide.reset();

this.bIsFinished = true;
};

SlideChangeBase.prototype.perform = function( nValue )
{
if( this.bIsFinished ) return false;

if( this.aLeavingSlide )
this.performOut( nValue );

if( this.aEnteringSlide )
this.performIn( nValue );

return true;
};

SlideChangeBase.prototype.getUnderlyingValue = function()
{
return 0.0;
};

SlideChangeBase.prototype.performIn = function( nValue )
{
log( 'SlideChangeBase.performIn: abstract method called' );
};

SlideChangeBase.prototype.performOut = function( nValue )
{
log( 'SlideChangeBase.performOut: abstract method called' );
};


function FadingSlideChange( aLeavingSlide, aEnteringSlide )
{
FadingSlideChange.superclass.constructor.call( this, aLeavingSlide, aEnteringSlide );
this.bFirstRun = true;
}
extend( FadingSlideChange, SlideChangeBase );

FadingSlideChange.prototype.start = function()
{
FadingSlideChange.superclass.start.call( this );
this.aEnteringSlide.notifyUsedAttribute( 'opacity' );
this.aLeavingSlide.notifyUsedAttribute( 'opacity' );
this.aEnteringSlide.setOpacity( 0.0 );
this.aEnteringSlide.show();
};

FadingSlideChange.prototype.performIn = function( nT )
{
this.aEnteringSlide.setOpacity( nT );
};

FadingSlideChange.prototype.performOut = function( nT )
{

this.aLeavingSlide.setOpacity( 1 - nT );
};


function FadingOverColorSlideChange( aLeavingSlide, aEnteringSlide, sFadeColor )
{
FadingSlideChange.superclass.constructor.call( this, aLeavingSlide, aEnteringSlide );
this.sFadeColor = sFadeColor;
if( !this.sFadeColor )
{
log( 'FadingOverColorSlideChange: sFadeColor not valid.' );
this.sFadeColor = '#000000';
}
this.aColorPlaneElement = this.createColorPlaneElement();
}
extend( FadingOverColorSlideChange, SlideChangeBase );

FadingOverColorSlideChange.prototype.start = function()
{
FadingOverColorSlideChange.superclass.start.call( this );
this.aEnteringSlide.notifyUsedAttribute( 'opacity' );
this.aLeavingSlide.notifyUsedAttribute( 'opacity' );
this.aLeavingSlide.insertBefore( this.aColorPlaneElement );
this.aEnteringSlide.setOpacity( 0.0 );
this.aEnteringSlide.show();
};

FadingOverColorSlideChange.prototype.end = function()
{
FadingOverColorSlideChange.superclass.end.call( this );
this.aLeavingSlide.removeElement( this.aColorPlaneElement );
};

FadingOverColorSlideChange.prototype.performIn = function( nT )
{
this.aEnteringSlide.setOpacity( (nT > 0.55) ? 2.0*(nT-0.55) : 0.0 );
};

FadingOverColorSlideChange.prototype.performOut = function( nT )
{
this.aLeavingSlide.setOpacity( (nT > 0.45) ? 0.0 : 2.0*(0.45-nT) );
};

FadingOverColorSlideChange.prototype.createColorPlaneElement = function()
{
var aColorPlaneElement = document.createElementNS( NSS['svg'], 'rect' );
aColorPlaneElement.setAttribute( 'width', String( this.aLeavingSlide.getWidth() ) );
aColorPlaneElement.setAttribute( 'height', String( this.aLeavingSlide.getHeight() ) );
aColorPlaneElement.setAttribute( 'fill', this.sFadeColor );
return aColorPlaneElement;
};


function MovingSlideChange( aLeavingSlide, aEnteringSlide,
aLeavingDirection, aEnteringDirection )
{
MovingSlideChange.superclass.constructor.call( this, aLeavingSlide, aEnteringSlide );
this.aLeavingDirection = aLeavingDirection;
this.aEnteringDirection = aEnteringDirection;
}
extend( MovingSlideChange, SlideChangeBase );

MovingSlideChange.prototype.start = function()
{
MovingSlideChange.superclass.start.call( this );
this.aEnteringSlide.notifyUsedAttribute( 'transform' );
this.aLeavingSlide.notifyUsedAttribute( 'transform' );
this.performIn( 0 );
this.aEnteringSlide.show();
};

MovingSlideChange.prototype.performIn = function( nT )
{
var nS = nT - 1;
var dx = nS * this.aEnteringDirection.x * this.aEnteringSlide.getWidth();
var dy = nS * this.aEnteringDirection.y * this.aEnteringSlide.getHeight();
this.aEnteringSlide.translate( dx, dy );
};

MovingSlideChange.prototype.performOut = function( nT )
{
var dx = nT * this.aLeavingDirection.x * this.aLeavingSlide.getWidth();
var dy = nT * this.aLeavingDirection.y * this.aLeavingSlide.getHeight();
this.aLeavingSlide.translate( dx, dy );
};


function ClippedSlideChange( aLeavingSlide, aEnteringSlide, aParametricPolyPolygon,
aTransitionInfo, bIsDirectionForward )
{
ClippedSlideChange.superclass.constructor.call( this, aLeavingSlide, aEnteringSlide );

var bIsModeIn = true;
this.aClippingFunctor= new ClippingFunctor( aParametricPolyPolygon, aTransitionInfo,
bIsDirectionForward, bIsModeIn );
}
extend( ClippedSlideChange, SlideChangeBase );

ClippedSlideChange.prototype.start = function()
{
ClippedSlideChange.superclass.start.call( this );
this.aEnteringSlide.notifyUsedAttribute( 'clip-path' );
this.performIn( 0 );
this.aEnteringSlide.show();
};

ClippedSlideChange.prototype.performIn = function( nT )
{
var nWidth = this.aEnteringSlide.getWidth();
var nHeight = this.aEnteringSlide.getHeight();
var aPolyPolygonElement = this.aClippingFunctor.perform( nT, nWidth, nHeight );
this.aEnteringSlide.setClipPath( aPolyPolygonElement );
};

ClippedSlideChange.prototype.performOut = function( nT )
{
};


function ClippingFunctor( aParametricPolyPolygon, aTransitionInfo,
bIsDirectionForward, bIsModeIn)
{
this.aParametricPolyPolygon = aParametricPolyPolygon;
this.aStaticTransformation = null;
this.bForwardParameterSweep = true;
this.bSubtractPolygon = false;
this.bScaleIsotropically = aTransitionInfo.scaleIsotropically;
this.bFlip = false;

assert( this.aParametricPolyPolygon,
'ClippingFunctor: parametric polygon is not valid' );

if( aTransitionInfo.rotationAngle != 0.0 ||
aTransitionInfo.scaleX != 1.0 ||  aTransitionInfo.scaleY != 1.0 )
{
this.aStaticTransformation = SVGIdentityMatrix.translate( 0.5, 0.5 );
if( aTransitionInfo.scaleX != 1.0 ||  aTransitionInfo.scaleY != 1.0 )
this.aStaticTransformation
= this.aStaticTransformation.scaleNonUniform( aTransitionInfo.scaleX,
aTransitionInfo.scaleY );
if( aTransitionInfo.rotationAngle != 0.0 )
this.aStaticTransformation
= this.aStaticTransformation.rotate( aTransitionInfo.rotationAngle );
this.aStaticTransformation = this.aStaticTransformation.translate( -0.5, -0.5 );
}
else
{
this.aStaticTransformation = document.documentElement.createSVGMatrix();
}

if( !bIsDirectionForward )
{
var aMatrix = null;
switch( aTransitionInfo.reverseMethod )
{
default:
log( 'ClippingFunctor: unexpected reverse method.' );
break;
case REVERSEMETHOD_IGNORE:
break;
case REVERSEMETHOD_INVERT_SWEEP:
this.bForwardParameterSweep = !this.bForwardParameterSweep;
break;
case REVERSEMETHOD_SUBTRACT_POLYGON:
this.bSubtractPolygon = !this.bSubtractPolygon;
break;
case REVERSEMETHOD_SUBTRACT_AND_INVERT:
this.bForwardParameterSweep = !this.bForwardParameterSweep;
this.bSubtractPolygon = !this.bSubtractPolygon;
break;
case REVERSEMETHOD_ROTATE_180:
aMatrix = document.documentElement.createSVGMatrix();
aMatrix.setToRotationAroundPoint( 0.5, 0.5, 180 );
this.aStaticTransformation = aMatrix.multiply( this.aStaticTransformation );
break;
case REVERSEMETHOD_FLIP_X:
aMatrix = document.documentElement.createSVGMatrix();
aMatrix.a = -1; aMatrix.e = 1.0;
this.aStaticTransformation = aMatrix.multiply( this.aStaticTransformation );
this.bFlip = true;
break;
case REVERSEMETHOD_FLIP_Y:
aMatrix = document.documentElement.createSVGMatrix();
aMatrix.d = -1; aMatrix.f = 1.0;
this.aStaticTransformation = aMatrix.multiply( this.aStaticTransformation );
this.bFlip = true;
break;
}
}

if( !bIsModeIn )
{
if( aTransitionInfo.outInvertsSweep )
{
this.bForwardParameterSweep = !this.bForwardParameterSweep;
}
else
{
this.bSubtractPolygon = !this.bSubtractPolygon;
}
}
}

ClippingFunctor.aBoundingPath = document.createElementNS( NSS['svg'], 'path' );
ClippingFunctor.aBoundingPath.setAttribute( 'd', 'M -1 -1 L 2 -1 L 2 2 L -1 2 L -1 -1' );

ClippingFunctor.prototype.perform = function( nT, nWidth, nHeight )
{
var aClipPoly = this.aParametricPolyPolygon.perform( this.bForwardParameterSweep ? nT : (1 - nT) );


if( this.bSubtractPolygon )
{
aClipPoly.changeOrientation();
aClipPoly.prependPath( ClippingFunctor.aBoundingPath );
}

var aMatrix;
if( this.bScaleIsotropically )
{
var nScaleFactor = Math.max( nWidth, nHeight );
aMatrix = SVGIdentityMatrix.translate( -( nScaleFactor - nWidth ) / 2.0,
-( nScaleFactor - nHeight ) / 2.0 );
aMatrix = aMatrix.scale( nScaleFactor );
aMatrix = aMatrix.multiply( this.aStaticTransformation );
}
else
{
aMatrix = SVGIdentityMatrix.scaleNonUniform( nWidth, nHeight );
aMatrix = aMatrix.multiply( this.aStaticTransformation );
}

aClipPoly.matrixTransform( aMatrix );

return aClipPoly;
};


function createClipPolyPolygon( nType, nSubtype )
{
switch( nType )
{
default:
log( 'createClipPolyPolygon: unknown transition type: ' + nType );
return null;
case BARWIPE_TRANSITION:
return new BarWipePath( 1 );
case FOURBOXWIPE_TRANSITION:
return new FourBoxWipePath( nSubtype === CORNERSOUT_TRANS_SUBTYPE );
case ELLIPSEWIPE_TRANSITION:
return new EllipseWipePath( nSubtype );
case PINWHEELWIPE_TRANSITION:
var nBlades;
switch( nSubtype )
{
case ONEBLADE_TRANS_SUBTYPE:
nBlades = 1;
break;
case DEFAULT_TRANS_SUBTYPE:
case TWOBLADEVERTICAL_TRANS_SUBTYPE:
nBlades = 2;
break;
case TWOBLADEHORIZONTAL_TRANS_SUBTYPE:
nBlades = 2;
break;
case THREEBLADE_TRANS_SUBTYPE:
nBlades = 3;
break;
case FOURBLADE_TRANS_SUBTYPE:
nBlades = 4;
break;
case EIGHTBLADE_TRANS_SUBTYPE:
nBlades = 8;
break;
default:
log( 'createClipPolyPolygon: unknown subtype: ' + nSubtype );
return null;
}
return new PinWheelWipePath( nBlades );
case RANDOMBARWIPE_TRANSITION:
return new RandomWipePath( 128, true /* bars */ );
case CHECKERBOARDWIPE_TRANSITION:
return new CheckerBoardWipePath( 10 );
case DISSOLVE_TRANSITION:
return new RandomWipePath( 16 * 16, false /* dissolve */ );
}
}


function createUnitSquarePath()
{
var aPath = document.createElementNS( NSS['svg'], 'path' );
var sD = 'M 0 0 L 1 0 L 1 1 L 0 1 L 0 0';
aPath.setAttribute( 'd', sD );
return aPath;
}

function createEmptyPath()
{
var aPath = document.createElementNS( NSS['svg'], 'path' );
var sD = 'M 0 0 L 0 0';
aPath.setAttribute( 'd', sD );
return aPath;
}

function pruneScaleValue( nVal )
{
if( nVal < 0.0 )
return (nVal < -0.00001 ? nVal : -0.00001);
else
return (nVal > 0.00001 ? nVal : 0.00001);
}


function BarWipePath( nBars /* nBars > 1: blinds effect */ )
{
this.nBars = nBars;
if( this.nBars === undefined || this.nBars < 1 )
this.nBars = 1;
this.aBasePath = createUnitSquarePath();
}

BarWipePath.prototype.perform = function( nT )
{

var aMatrix = SVGIdentityMatrix.scaleNonUniform( pruneScaleValue( nT / this.nBars ), 1.0 );

var aPolyPath = this.aBasePath.cloneNode( true );
aPolyPath.matrixTransform( aMatrix );

if( this.nBars > 1 )
{
var i;
var aTransform;
var aPath;
for( i = this.nBars - 1; i > 0; --i )
{
aTransform = SVGIdentityMatrix.translate( i / this.nBars, 0.0 );
aTransform = aTransform.multiply( aMatrix );
aPath = this.aBasePath.cloneNode( true );
aPath.matrixTransform( aTransform );
aPolyPath.appendPath( aPath );
}
}
return aPolyPath;
};


function FourBoxWipePath( bCornersOut )
{
this.bCornersOut = bCornersOut;
this.aBasePath = createUnitSquarePath();
}

FourBoxWipePath.prototype.perform = function( nT )
{
var aMatrix;
var d = pruneScaleValue( nT / 2.0 );

if( this.bCornersOut )
{
aMatrix = SVGIdentityMatrix.translate( -0.25, -0.25 ).scale( d ).translate( -0.5, -0.5 );
}
else
{
aMatrix = SVGIdentityMatrix.translate( -0.5, -0.5 ).scale( d );
}


var aTransform = aMatrix;
var aSquare = this.aBasePath.cloneNode( true );
aSquare.matrixTransform( aTransform );
var aPolyPath = aSquare;
aMatrix = SVGIdentityMatrix.flipY();
aTransform = aMatrix.multiply( aTransform );
aSquare = this.aBasePath.cloneNode( true );
aSquare.matrixTransform( aTransform );
aSquare.changeOrientation();
aPolyPath.appendPath( aSquare );
aMatrix = SVGIdentityMatrix.flipX();
aTransform = aMatrix.multiply( aTransform );
aSquare = this.aBasePath.cloneNode( true );
aSquare.matrixTransform( aTransform );
aPolyPath.appendPath( aSquare );
aMatrix = SVGIdentityMatrix.flipY();
aTransform = aMatrix.multiply( aTransform );
aSquare = this.aBasePath.cloneNode( true );
aSquare.matrixTransform( aTransform );
aSquare.changeOrientation();
aPolyPath.appendPath( aSquare );

aMatrix = SVGIdentityMatrix.translate( 0.5, 0.5 );
aMatrix = aMatrix.scale( 1.1 );
aPolyPath.matrixTransform( aMatrix );

return aPolyPath;
};


function EllipseWipePath( eSubtype )
{
this.eSubtype = eSubtype;

var sPathData = 'M 0.5 -0.207107 ' +
'C 0.687536 -0.207107 0.867392 -0.132608 1 0 ' +
'C 1.13261 0.132608 1.20711 0.312464 1.20711 0.5 ' +
'C 1.20711 0.687536 1.13261 0.867392 1 1 ' +
'C 0.867392 1.13261 0.687536 1.20711 0.5 1.20711 ' +
'C 0.312464 1.20711 0.132608 1.13261 0 1 ' +
'C -0.132608 0.867392 -0.207107 0.687536 -0.207107 0.5 ' +
'C -0.207107 0.312464 -0.132608 0.132608 0 0 ' +
'C 0.132608 -0.132608 0.312464 -0.207107 0.5 -0.207107';

this.aBasePath = document.createElementNS( NSS['svg'], 'path' );
this.aBasePath.setAttribute( 'd', sPathData );
}

EllipseWipePath.prototype.perform = function( nT )
{

var aTransform = SVGIdentityMatrix.translate( 0.5, 0.5 ).scale( nT ).translate( -0.5, -0.5 );
var aEllipse = this.aBasePath.cloneNode( true );
aEllipse.matrixTransform( aTransform );

return aEllipse;
};


function PinWheelWipePath( nBlades )
{
this.nBlades = nBlades;
if( !this.nBlades || this.nBlades < 1 )
this.nBlades = 1;
}

PinWheelWipePath.calcCenteredClock = function( nT, nE )
{
var nMAX_EDGE = 2;

var aTransform = SVGIdentityMatrix.rotate( nT * 360 );

var aPoint = document.documentElement.createSVGPoint();
aPoint.y = -nMAX_EDGE;
aPoint = aPoint.matrixTransform( aTransform );

var sPathData = 'M ' + aPoint.x + ' ' + aPoint.y + ' ';
if( nT >= 0.875 )
sPathData += 'L ' + '-' + nE + ' -' + nE + ' ';
if( nT >= 0.625 )
sPathData += 'L ' + '-' + nE + ' ' + nE + ' ';
if( nT >= 0.375 )
sPathData += 'L ' + nE + ' ' + nE + ' ';
if( nT >= 0.125 )
sPathData += 'L ' + nE + ' -' + nE + ' ';

sPathData += 'L 0 -' + nE + ' ';
sPathData += 'L 0 0 ';
sPathData += 'L '  + aPoint.x + ' ' + aPoint.y;

var aPath = document.createElementNS( NSS['svg'], 'path' );
aPath.setAttribute( 'd', sPathData );
return aPath;
};

PinWheelWipePath.prototype.perform = function( nT )
{
var aBasePath = PinWheelWipePath.calcCenteredClock( nT / this.nBlades,
2.0 /* max edge when rotating */  );

var aPolyPath = aBasePath.cloneNode( true );
var aPath;
var aRotation;
var i;
for( i = this.nBlades - 1; i > 0; --i )
{
aRotation = SVGIdentityMatrix.rotate( (i * 360) / this.nBlades );
aPath = aBasePath.cloneNode( true );
aPath.matrixTransform( aRotation );
aPolyPath.appendPath( aPath );
}

var aTransform = SVGIdentityMatrix.translate( 0.5, 0.5 ).scale( 0.5 );
aPolyPath.matrixTransform( aTransform );

return aPolyPath;
};


function CheckerBoardWipePath( unitsPerEdge )
{
this.unitsPerEdge = unitsPerEdge;
if( this.unitsPerEdge === undefined || this.unitsPerEdge < 1 )
this.unitsPerEdge = 10;
this.aBasePath = createUnitSquarePath();
}

CheckerBoardWipePath.prototype.perform = function( nT )
{
var d = pruneScaleValue(1.0 / this.unitsPerEdge);
var aMatrix = SVGIdentityMatrix.scaleNonUniform(pruneScaleValue( d*2.0*nT ),
pruneScaleValue( d ) );

var aPolyPath = null;
var i, j;
var aTransform;
var aPath;
for ( i = this.unitsPerEdge; i--; )
{
aTransform = SVGIdentityMatrix;

if ((i % 2) == 1) // odd line
aTransform = aTransform.translate( -d, 0.0 );

aTransform = aTransform.multiply( aMatrix );

for ( j = (this.unitsPerEdge / 2) + 1; j--;)
{
aPath = this.aBasePath.cloneNode( true );
aPath.matrixTransform( aTransform );
if (aPolyPath == null) aPolyPath = aPath;
else aPolyPath.appendPath( aPath );
aTransform = SVGIdentityMatrix.translate( d*2.0, 0.0 ).multiply( aTransform );
}

aMatrix = SVGIdentityMatrix.translate( 0.0, d ).multiply( aMatrix ); // next line
}

return aPolyPath;
};


function RandomWipePath( nElements, bRandomBars )
{
this.nElements = nElements;
this.aBasePath = createUnitSquarePath();
this.aPositionArray = new Array( nElements );
this.aClipPath = createEmptyPath();
this.nAlreadyAppendedElements = 0;

var fEdgeLength, nPos, aTransform;

if( bRandomBars ) // random bar wipe
{
fEdgeLength = 1.0 / nElements;
for( nPos = 0; nPos < nElements; ++nPos )
{
this.aPositionArray[nPos] = { x: 0.0, y: pruneScaleValue( nPos * fEdgeLength ) }
}
aTransform = SVGIdentityMatrix.scaleNonUniform( 1.0, pruneScaleValue( fEdgeLength ) );
}
else // dissolve wipe
{
var nSqrtElements = Math.round( Math.sqrt( nElements ) );
fEdgeLength = 1.0 / nSqrtElements;
for( nPos = 0; nPos < nElements; ++nPos )
{
this.aPositionArray[nPos] = {
x: pruneScaleValue( ( nPos % nSqrtElements ) * fEdgeLength ),
y: pruneScaleValue( ( nPos / nSqrtElements ) * fEdgeLength ) }
}
aTransform = SVGIdentityMatrix.scale( pruneScaleValue( fEdgeLength ) );
}
this.aBasePath.matrixTransform( aTransform );

var nPos1, nPos2;
var tmp;
for( nPos1 = nElements - 1; nPos1 > 0; --nPos1 )
{
nPos2 = getRandomInt( nPos1 + 1 );
tmp = this.aPositionArray[nPos1];
this.aPositionArray[nPos1] = this.aPositionArray[nPos2];
this.aPositionArray[nPos2] = tmp;
}
}

RandomWipePath.prototype.perform = function( nT )
{
var aPolyPath = createEmptyPath();
var aPoint;
var aPath;
var aTransform;
var nElements = Math.round( nT * this.nElements );
if( nElements === 0 )
{
return aPolyPath;
}
if( this.nAlreadyAppendedElements >= nElements )
{
this.nAlreadyAppendedElements = 0;
this.aClipPath = createEmptyPath();
}
var nPos;
for( nPos = this.nAlreadyAppendedElements; nPos < nElements; ++nPos )
{
aPoint = this.aPositionArray[nPos];
aPath = this.aBasePath.cloneNode( true );
aTransform = SVGIdentityMatrix.translate( aPoint.x, aPoint.y );
aPath.matrixTransform( aTransform );
aPolyPath.appendPath( aPath );
}

this.nAlreadyAppendedElements = nElements;
this.aClipPath.appendPath( aPolyPath );

return this.aClipPath.cloneNode( true );
};


function AnimatedSlide( aMetaSlide )
{
if( !aMetaSlide )
{
log( 'AnimatedSlide constructor: meta slide is not valid' );
}

this.aMetaSlide = aMetaSlide;
this.aSlideElement = this.aMetaSlide.slideElement;
this.sSlideId = this.aMetaSlide.slideId;

this.aUsedAttributeSet = [];

this.aClipPathElement = null;
this.aClipPathContent = null;
this.bIsClipped = false;
}

AnimatedSlide.prototype.show = function()
{
this.aMetaSlide.show();
};

AnimatedSlide.prototype.hide = function()
{
this.aMetaSlide.hide();
};

AnimatedSlide.prototype.notifyUsedAttribute = function( sName )
{
if( sName == 'clip-path' )
{
this.initClipPath();
this.bIsClipped = true;
}
else
{
this.aUsedAttributeSet.push( sName );
}
};

AnimatedSlide.prototype.reset = function()
{
if( this.bIsClipped )
{
this.cleanClipPath();
this.bIsClipped = false;
}

var i;
for( i = 0; i < this.aUsedAttributeSet.length; ++i )
{
var sAttrName = this.aUsedAttributeSet[i];
this.aSlideElement.removeAttribute( sAttrName );
}
this.aUsedAttributeSet = [];
};

AnimatedSlide.prototype.initClipPath = function()
{
this.aClipPathElement = document.createElementNS( NSS['svg'], 'clipPath' );

var sId = 'clip-path-' + this.sSlideId;
this.aClipPathElement.setAttribute( 'id', sId );
this.aClipPathElement.setAttribute( 'clipPathUnits', 'userSpaceOnUse' );

this.aClipPathContent = document.createElementNS( NSS['svg'], 'path' );
var sPathData = 'M 0 0 h ' + WIDTH + ' v ' + HEIGHT + ' h -' + WIDTH + ' z';
this.aClipPathContent.setAttribute( 'd', sPathData );
this.aClipPathElement.appendChild( this.aClipPathContent );

var aClipPathGroup = theMetaDoc.aClipPathGroup;
aClipPathGroup.appendChild( this.aClipPathElement );

var sRef = 'url(#' + sId + ')';
this.aSlideElement.parentNode.setAttribute( 'clip-path', sRef );
};

AnimatedSlide.prototype.cleanClipPath = function()
{
this.aSlideElement.parentNode.removeAttribute( 'clip-path' );

if( this.aClipPathElement )
{
var aClipPathGroup = theMetaDoc.aClipPathGroup;
aClipPathGroup.removeChild( this.aClipPathElement );
this.aClipPathElement = null;
this.aClipPathContent = null;
}
};

AnimatedSlide.prototype.insertBefore = function( aElement )
{
if( aElement )
{
this.aSlideElement.parentNode.insertBefore( aElement, this.aSlideElement );
}
};

AnimatedSlide.prototype.appendElement = function( aElement )
{
if( aElement )
{
this.aSlideElement.parentNode.appendChild( aElement );
}
};

AnimatedSlide.prototype.removeElement = function( aElement )
{
if( aElement )
{
this.aSlideElement.parentNode.removeChild( aElement );
}
};

AnimatedSlide.prototype.getWidth = function()
{
return WIDTH;
};

AnimatedSlide.prototype.getHeight = function()
{
return HEIGHT;
};

AnimatedSlide.prototype.setOpacity = function( nValue )
{
this.aSlideElement.setAttribute( 'opacity', nValue );
};

AnimatedSlide.prototype.translate = function( nDx, nDy )
{
var sTransformAttr = 'translate(' + nDx + ',' + nDy + ')';
this.aSlideElement.setAttribute( 'transform', sTransformAttr );
};

AnimatedSlide.prototype.setClipPath = function( aClipPathContent )
{
if( this.aClipPathContent )
{
var sPathData = aClipPathContent.getAttribute( 'd' );
this.aClipPathContent.setAttribute( 'd', sPathData );
}
};


function AnimatedElement( aElement )
{
if( !aElement )
{
log( 'AnimatedElement constructor: element is not valid' );
}

this.aSlideShowContext = null;

this.aBaseElement = aElement.cloneNode( true );
this.aActiveElement = aElement;
this.sElementId = this.aActiveElement.getAttribute( 'id' );

this.aBaseBBox = this.aActiveElement.getBBox();
this.nBaseCenterX = this.aBaseBBox.x + this.aBaseBBox.width / 2;
this.nBaseCenterY = this.aBaseBBox.y + this.aBaseBBox.height / 2;


this.aClipPathElement = null;
this.aClipPathContent = null;

this.aPreviousElement = null;
this.aStateSet = {};

this.eAdditiveMode = ADDITIVE_MODE_REPLACE;
this.bIsUpdated = true;

this.aTMatrix = document.documentElement.createSVGMatrix();
this.aCTM = document.documentElement.createSVGMatrix();
this.aICTM = document.documentElement.createSVGMatrix();

this.initElement();
}

AnimatedElement.prototype.initElement = function()
{
this.nCenterX = this.nBaseCenterX;
this.nCenterY = this.nBaseCenterY;
this.nScaleFactorX = 1.0;
this.nScaleFactorY = 1.0;

this.aActiveElement.setAttribute( 'transform', makeMatrixString( 1, 0, 0, 1, 0, 0 ) );
};

AnimatedElement.prototype.initClipPath = function()
{
this.aClipPathElement = document.createElementNS( NSS['svg'], 'clipPath' );

var sId = 'clip-path-' + this.sElementId;
this.aClipPathElement.setAttribute( 'id', sId );
this.aClipPathElement.setAttribute( 'clipPathUnits', 'userSpaceOnUse' );

this.aClipPathContent = document.createElementNS( NSS['svg'], 'path' );
this.aClippingBBox = this.getBBoxWithStroke();
var nWidth = this.aClippingBBox.width;
var nHeight = this.aClippingBBox.height;
var sPathData = 'M ' + this.aClippingBBox.x + ' ' + this.aClippingBBox.y +
' h ' + nWidth + ' v ' + nHeight + ' h -' + nWidth + ' z';
this.aClipPathContent.setAttribute( 'd', sPathData );
this.aClipPathElement.appendChild( this.aClipPathContent );

var aClipPathGroup = theMetaDoc.aClipPathGroup;
aClipPathGroup.appendChild( this.aClipPathElement );

var sRef = 'url(#' + sId + ')';
this.aActiveElement.setAttribute( 'clip-path', sRef );
};

AnimatedElement.prototype.cleanClipPath = function()
{
this.aActiveElement.removeAttribute( 'clip-path' );

if( this.aClipPathElement )
{
var aClipPathGroup = theMetaDoc.aClipPathGroup;
aClipPathGroup.removeChild( this.aClipPathElement );
this.aClipPathElement = null;
this.aClipPathContent = null;
}
};

AnimatedElement.prototype.getId = function()
{
return this.aActiveElement.getAttribute( 'id' );
};

AnimatedElement.prototype.getAdditiveMode = function()
{
return this.eAdditiveMode;
};

AnimatedElement.prototype.setAdditiveMode = function( eAdditiveMode )
{
this.eAdditiveMode = eAdditiveMode;
};

AnimatedElement.prototype.setToElement = function( aElement )
{
if( !aElement )
{
log( 'AnimatedElement(' + this.getId() + ').setToElement: element is not valid' );
return false;
}

var aClone = aElement.cloneNode( true );
this.aPreviousElement = this.aActiveElement.parentNode.replaceChild( aClone, this.aActiveElement );
this.aActiveElement = aClone;

return true;
};

AnimatedElement.prototype.notifySlideStart = function( aSlideShowContext )
{
if( !aSlideShowContext )
{
log( 'AnimatedElement.notifySlideStart: slideshow context is not valid' );
}
this.aSlideShowContext = aSlideShowContext;

var aClone = this.aBaseElement.cloneNode( true );
this.aActiveElement.parentNode.replaceChild( aClone, this.aActiveElement );
this.aActiveElement = aClone;

this.initElement();
this.DBG( '.notifySlideStart invoked' );
};

AnimatedElement.prototype.notifySlideEnd = function()
{
};

AnimatedElement.prototype.notifyAnimationStart = function()
{
};

AnimatedElement.prototype.notifyAnimationEnd = function()
{
};

AnimatedElement.prototype.notifyNextEffectStart = function( nEffectIndex )
{
};

AnimatedElement.prototype.saveState = function( nAnimationNodeId )
{
ANIMDBG.print( 'AnimatedElement(' + this.getId() + ').saveState(' + nAnimationNodeId +')' );
if( !this.aStateSet[ nAnimationNodeId ] )
{
this.aStateSet[ nAnimationNodeId ] = {};
}
var aState = this.aStateSet[ nAnimationNodeId ];
aState.aElement = this.aActiveElement.cloneNode( true );
aState.nCenterX = this.nCenterX;
aState.nCenterY = this.nCenterY;
aState.nScaleFactorX = this.nScaleFactorX;
aState.nScaleFactorY = this.nScaleFactorY;

};

AnimatedElement.prototype.restoreState = function( nAnimationNodeId )
{
if( !this.aStateSet[ nAnimationNodeId ] )
{
log( 'AnimatedElement(' + this.getId() + ').restoreState: state '
+nAnimationNodeId  + ' is not valid' );
return false;
}

ANIMDBG.print( 'AnimatedElement(' + this.getId() + ').restoreState(' + nAnimationNodeId +')' );
var aState = this.aStateSet[ nAnimationNodeId ];
var bRet = this.setToElement( aState.aElement );
if( bRet )
{
this.nCenterX = aState.nCenterX;
this.nCenterY = aState.nCenterY;
this.nScaleFactorX = aState.nScaleFactorX;
this.nScaleFactorY = aState.nScaleFactorY;
}
return bRet;
};

AnimatedElement.prototype.getBaseBBox = function()
{
return this.aBaseBBox;
};

AnimatedElement.prototype.getBaseCenterX = function()
{
return this.nBaseCenterX;
};

AnimatedElement.prototype.getBaseCenterY = function()
{
return this.nBaseCenterY;
};

AnimatedElement.prototype.getBBox = function()
{
return this.aActiveElement.parentNode.getBBox();
};

AnimatedElement.prototype.getBBoxWithStroke = function()
{
var aBBox = this.aActiveElement.parentNode.getBBox();

var aChildrenSet = this.aActiveElement.childNodes;

var sStroke, sStrokeWidth;
var nStrokeWidth = 0;
var i;
for( i = 0; i < aChildrenSet.length; ++i )
{
if( ! aChildrenSet[i].getAttribute  )
continue;

sStroke = aChildrenSet[i].getAttribute( 'stroke' );
if( sStroke && sStroke != 'none' )
{
sStrokeWidth = aChildrenSet[i].getAttribute( 'stroke-width' );
var nSW = parseFloat( sStrokeWidth );
if( nSW > nStrokeWidth )
nStrokeWidth = nSW;
}
}

if( nStrokeWidth == 0 )
{
sStrokeWidth = ROOT_NODE.getAttribute( 'stroke-width' );
nStrokeWidth = parseFloat( sStrokeWidth );
}
if( nStrokeWidth != 0 )
{
nStrokeWidth *= 1.1;
var nHalfStrokeWidth = nStrokeWidth / 2;
var nDoubleStrokeWidth = nStrokeWidth * 2;

var aEBBox = document.documentElement.createSVGRect();
aEBBox.x = aBBox.x - nHalfStrokeWidth;
aEBBox.y = aBBox.y - nHalfStrokeWidth;
aEBBox.width = aBBox.width + nDoubleStrokeWidth;
aEBBox.height = aBBox.height + nDoubleStrokeWidth;
aBBox = aEBBox;
}
return aBBox;
};

AnimatedElement.prototype.setClipPath = function( aClipPathContent )
{
if( this.aClipPathContent )
{
var aTranslation = SVGIdentityMatrix.translate( this.aClippingBBox.x,
this.aClippingBBox.y);
aClipPathContent.matrixTransform( aTranslation );
var sPathData = aClipPathContent.getAttribute( 'd' );
this.aClipPathContent.setAttribute( 'd', sPathData );
}
};


AnimatedElement.prototype.getX = function()
{
return this.nCenterX;
};

AnimatedElement.prototype.getY = function()
{
return this.nCenterY;
};

AnimatedElement.prototype.getWidth = function()
{
return this.nScaleFactorX * this.getBaseBBox().width;
};

AnimatedElement.prototype.getHeight = function()
{
return this.nScaleFactorY * this.getBaseBBox().height;
};

AnimatedElement.prototype.updateTransformAttribute = function()
{
this.aTransformAttrList = this.aActiveElement.transform.baseVal;
this.aTransformAttr = this.aTransformAttrList.getItem( 0 );
this.aTransformAttr.setMatrix( this.aTMatrix );
};

AnimatedElement.prototype.setX = function( nNewCenterX )
{
if( nNewCenterX === this.nCenterX ) return;

this.aTransformAttrList = this.aActiveElement.transform.baseVal;
this.aTransformAttr = this.aTransformAttrList.getItem( 0 );
this.aTMatrix = this.aTransformAttr.matrix.translate( nNewCenterX - this.nCenterX, 0 );
this.aTransformAttr.setMatrix( this.aTMatrix );
this.nCenterX = nNewCenterX;
};

AnimatedElement.prototype.setY = function( nNewCenterY )
{
if( nNewCenterY === this.nCenterY ) return;

this.aTransformAttrList = this.aActiveElement.transform.baseVal;
this.aTransformAttr = this.aTransformAttrList.getItem( 0 );
this.aTMatrix = this.aTransformAttr.matrix.translate( 0, nNewCenterY - this.nCenterY );
this.aTransformAttr.setMatrix( this.aTMatrix );
this.nCenterY = nNewCenterY;
};

AnimatedElement.prototype.setWidth = function( nNewWidth )
{
ANIMDBG.print( 'AnimatedElement.setWidth: nNewWidth = ' + nNewWidth );
if( nNewWidth < 0 )
{
log('AnimatedElement(' + this.getId() + ').setWidth: negative height!');
nNewWidth = 0;
}

var nBaseWidth = this.getBaseBBox().width;
var nScaleFactorX = nNewWidth / nBaseWidth;

if( nScaleFactorX < 1e-5 ) nScaleFactorX = 1e-5;
if( nScaleFactorX == this.nScaleFactorX ) return;

this.aTMatrix = document.documentElement.createSVGMatrix()
.translate( this.nCenterX, this.nCenterY )
.scaleNonUniform( nScaleFactorX, this.nScaleFactorY )
.translate( -this.nBaseCenterX, -this.nBaseCenterY );
this.updateTransformAttribute();

this.nScaleFactorX = nScaleFactorX;
};

AnimatedElement.prototype.setHeight = function( nNewHeight )
{
ANIMDBG.print( 'AnimatedElement.setWidth: nNewHeight = ' + nNewHeight );
if( nNewHeight < 0 )
{
log('AnimatedElement(' + this.getId() + ').setWidth: negative height!');
nNewHeight = 0;
}

var nBaseHeight = this.getBaseBBox().height;
var nScaleFactorY = nNewHeight / nBaseHeight;

if( nScaleFactorY < 1e-5 ) nScaleFactorY = 1e-5;
if( nScaleFactorY == this.nScaleFactorY ) return;

this.aTMatrix = document.documentElement.createSVGMatrix()
.translate( this.nCenterX, this.nCenterY )
.scaleNonUniform( this.nScaleFactorX, nScaleFactorY )
.translate( -this.nBaseCenterX, -this.nBaseCenterY );
this.updateTransformAttribute();

this.nScaleFactorY = nScaleFactorY;
};

AnimatedElement.prototype.getOpacity = function()
{
return this.aActiveElement.getAttribute( 'opacity' );
};

AnimatedElement.prototype.setOpacity = function( nValue )
{
this.aActiveElement.setAttribute( 'opacity', nValue );
};

AnimatedElement.prototype.getVisibility = function()
{

var sVisibilityValue = this.aActiveElement.getAttribute( 'visibility' );
if( !sVisibilityValue || ( sVisibilityValue === 'inherit' ) )
return 'visible'; // TODO: look for parent visibility!
else
return sVisibilityValue;
};

AnimatedElement.prototype.setVisibility = function( sValue )
{
if( sValue == 'visible' )
sValue = 'inherit';
this.aActiveElement.setAttribute( 'visibility', sValue );
};

AnimatedElement.prototype.getStrokeStyle = function()
{
return 'solid';
};

AnimatedElement.prototype.setStrokeStyle = function( sValue )
{
ANIMDBG.print( 'AnimatedElement.setStrokeStyle(' + sValue + ')' );
};

AnimatedElement.prototype.getFillStyle = function()
{
return 'solid';
};

AnimatedElement.prototype.setFillStyle = function( sValue )
{
ANIMDBG.print( 'AnimatedElement.setFillStyle(' + sValue + ')' );
};

AnimatedElement.prototype.getFillColor = function()
{
var aChildSet = getElementChildren( this.aActiveElement );
var sFillColorValue = '';
for( var i = 0; i <  aChildSet.length; ++i )
{
sFillColorValue = aChildSet[i].getAttribute( 'fill' );
if( sFillColorValue && ( sFillColorValue !== 'none' ) )
break;
}

return colorParser( sFillColorValue );
};

AnimatedElement.prototype.setFillColor = function( aRGBValue )
{
assert( aRGBValue instanceof RGBColor,
'AnimatedElement.setFillColor: value argument is not an instance of RGBColor' );

var sValue = aRGBValue.toString( true /* clamped values */ );
var aChildSet = getElementChildren( this.aActiveElement );

var sFillColorValue = '';
for( var i = 0; i <  aChildSet.length; ++i )
{
sFillColorValue = aChildSet[i].getAttribute( 'fill' );
if( sFillColorValue && ( sFillColorValue !== 'none' ) )
{
aChildSet[i].setAttribute( 'fill', sValue );
}
}
};

AnimatedElement.prototype.getStrokeColor = function()
{
var aChildSet = getElementChildren( this.aActiveElement );
var sStrokeColorValue = '';
for( var i = 0; i <  aChildSet.length; ++i )
{
sStrokeColorValue = aChildSet[i].getAttribute( 'stroke' );
if( sStrokeColorValue && ( sStrokeColorValue !== 'none' ) )
break;
}

return colorParser( sStrokeColorValue );
};

AnimatedElement.prototype.setStrokeColor = function( aRGBValue )
{
assert( aRGBValue instanceof RGBColor,
'AnimatedElement.setFillColor: value argument is not an instance of RGBColor' );

var sValue = aRGBValue.toString( true /* clamped values */ );
var aChildSet = getElementChildren( this.aActiveElement );

var sStrokeColorValue = '';
for( var i = 0; i <  aChildSet.length; ++i )
{
sStrokeColorValue = aChildSet[i].getAttribute( 'stroke' );
if( sStrokeColorValue && ( sStrokeColorValue !== 'none' ) )
{
aChildSet[i].setAttribute( 'stroke', sValue );
}
}
};

AnimatedElement.prototype.getFontColor = function()
{
return new RGBColor( 0, 0, 0 );
};

AnimatedElement.prototype.setFontColor = function( sValue )
{
ANIMDBG.print( 'AnimatedElement.setFontColor(' + sValue + ')' );
};

AnimatedElement.prototype.DBG = function( sMessage, nTime )
{
aAnimatedElementDebugPrinter.print( 'AnimatedElement(' + this.getId() + ')' + sMessage, nTime );
};


function AnimatedTextElement( aElement, aEventMultiplexer )
{
var theDocument = document;

var sTextType = aElement.getAttribute( 'class' );
var bIsListItem = ( sTextType === 'ListItem' );
if( ( sTextType !== 'TextParagraph' ) && !bIsListItem )
{
log( 'AnimatedTextElement: passed element is not a paragraph.' );
return;
}
var aTextShapeElement = aElement.parentNode;
sTextType = aTextShapeElement.getAttribute( 'class' );
if( sTextType !== 'TextShape' )
{
log( 'AnimatedTextElement: element parent is not a text shape.' );
return;
}
var aTextShapeGroup = aTextShapeElement.parentNode;
var aAnimatedElementGroup = getElementByClassName( aTextShapeGroup, 'AnimatedElements' );
if( !aAnimatedElementGroup )
{
aAnimatedElementGroup = theDocument.createElementNS( NSS['svg'], 'g' );
aAnimatedElementGroup.setAttribute( 'class', 'AnimatedElements' );
aTextShapeGroup.appendChild( aAnimatedElementGroup );
}

var aAnimatableElement = theDocument.createElementNS( NSS['svg'], 'g' );
var aTextElement = theDocument.createElementNS( NSS['svg'], 'text' );
var aParagraphElement = aElement.cloneNode( true );

this.aGraphicGroupElement = theDocument.createElementNS( NSS['svg'], 'g' );
this.aGraphicGroupElement.setAttribute( 'class', 'GraphicGroup' );

var aBulletCharClone = null;
var aBulletCharElem = null;
var bIsBulletCharStyle =
( aElement.getAttributeNS( NSS['ooo'], aOOOAttrListItemNumberingType ) === 'bullet-style' );
if( bIsBulletCharStyle )
{
var aBulletCharGroupElem = getElementByClassName( aTextShapeGroup, 'BulletChars' );
if( aBulletCharGroupElem )
{
var aBulletPlaceholderElem = getElementByClassName( aElement, 'BulletPlaceholder' );
if( aBulletPlaceholderElem )
{
var sId = aBulletPlaceholderElem.getAttribute( 'id' );
sId = 'bullet-char(' + sId + ')';
aBulletCharElem = theDocument.getElementById( sId );
if( aBulletCharElem )
{
aBulletCharClone = aBulletCharElem.cloneNode( true );
}
else
{
log( 'AnimatedTextElement: ' + sId + ' not found.' );
}
}
else
{
log( 'AnimatedTextElement: no bullet placeholder found' );
}
}
else
{
log( 'AnimatedTextElement: no bullet char group found' );
}
}

var aBitmapElemSet = [];
var aBitmapCloneSet = [];
var aBitmapPlaceholderSet = getElementsByClassName( aElement, 'BitmapPlaceholder' );
var i;
if( aBitmapPlaceholderSet )
{
for( i = 0; i < aBitmapPlaceholderSet.length; ++i )
{
sId = aBitmapPlaceholderSet[i].getAttribute( 'id' );
var sBitmapChecksum = sId.substring( 'bitmap-placeholder'.length + 1, sId.length - 1 );
sId = 'embedded-bitmap(' + sBitmapChecksum + ')';
aBitmapElemSet[i] = theDocument.getElementById( sId );
if( aBitmapElemSet[i] )
{
aBitmapCloneSet[i] = aBitmapElemSet[i].cloneNode( true );
}
else
{
log( 'AnimatedTextElement: ' + sId + ' not found.' );
}
}
}


this.sParagraphId = sId = aParagraphElement.getAttribute( 'id' );
aParagraphElement.removeAttribute( 'id' );
aAnimatableElement.setAttribute( 'id', sId +'.a' );
if( aBulletCharClone )
aBulletCharClone.removeAttribute( 'id' );
for( i = 0; i < aBitmapCloneSet.length; ++i )
{
if( aBitmapCloneSet[i] )
aBitmapCloneSet[i].removeAttribute( 'id' );
}

var sVisibilityAttr = aElement.getAttribute( 'visibility' );
if( !sVisibilityAttr )
sVisibilityAttr = 'inherit';
aAnimatableElement.setAttribute( 'visibility', sVisibilityAttr );
aParagraphElement.setAttribute( 'visibility', 'inherit' );
this.aGraphicGroupElement.setAttribute( 'visibility', 'inherit' );
if( aBulletCharElem )
aBulletCharElem.setAttribute( 'visibility', 'hidden' );
for( i = 0; i < aBitmapCloneSet.length; ++i )
{
if( aBitmapElemSet[i] )
aBitmapElemSet[i].setAttribute( 'visibility', 'hidden' );
}


aTextElement.appendChild( aParagraphElement );
aAnimatableElement.appendChild( aTextElement );

if( aBulletCharClone )
this.aGraphicGroupElement.appendChild( aBulletCharClone );
for( i = 0; i < aBitmapCloneSet.length; ++i )
{
if( aBitmapCloneSet[i] )
this.aGraphicGroupElement.appendChild( aBitmapCloneSet[i] );
}
aAnimatableElement.appendChild( this.aGraphicGroupElement );
aAnimatedElementGroup.appendChild( aAnimatableElement );

this.aParentTextElement = aElement.parentNode;
this.aParagraphElement = aElement;
this.aAnimatedElementGroup = aAnimatedElementGroup;
this.nRunningAnimations = 0;

this.aHyperlinkIdSet = [];
var aHyperlinkElementSet = getElementsByClassName( this.aParagraphElement, 'UrlField' );
var sHyperlinkId;
for( i = 0; i < aHyperlinkElementSet.length; ++i )
{
sHyperlinkId = aHyperlinkElementSet[i].getAttribute( 'id' );
if( sHyperlinkId )
this.aHyperlinkIdSet.push( sHyperlinkId );
else
log( 'error: AnimatedTextElement constructor: hyperlink element has no id' );
}

AnimatedTextElement.superclass.constructor.call( this, aAnimatableElement, aEventMultiplexer );

}
extend( AnimatedTextElement, AnimatedElement );


AnimatedTextElement.prototype.setToElement = function( aElement )
{
var bRet = AnimatedTextElement.superclass.setToElement.call( this, aElement );
if( bRet )
{
this.aGraphicGroupElement = getElementByClassName( this.aActiveElement, 'GraphicGroup' );
}
return ( bRet && this.aGraphicGroupElement );
};

AnimatedTextElement.prototype.notifySlideStart = function( aSlideShowContext )
{
DBGLOG( 'AnimatedTextElement.notifySlideStart' );
AnimatedTextElement.superclass.notifySlideStart.call( this, aSlideShowContext );
this.aGraphicGroupElement = getElementByClassName( this.aActiveElement, 'GraphicGroup' );
this.restoreBaseTextParagraph();
};

AnimatedTextElement.prototype.notifySlideEnd = function()
{
DBGLOG( 'AnimatedTextElement.notifySlideEnd' );
this.aGraphicGroupElement.setAttribute( 'visibility', 'inherit' );
};

AnimatedTextElement.prototype.restoreBaseTextParagraph = function()
{
var aActiveParagraphElement = this.aActiveElement.firstElementChild.firstElementChild;
if( aActiveParagraphElement )
{
var sVisibilityAttr = this.aActiveElement.getAttribute( 'visibility' );
if( !sVisibilityAttr || ( sVisibilityAttr === 'visible' ) )
sVisibilityAttr = 'inherit';
if( sVisibilityAttr === 'inherit' )
this.aGraphicGroupElement.setAttribute( 'visibility', 'visible' );
else
this.aGraphicGroupElement.setAttribute( 'visibility', 'hidden' );

var aParagraphClone = aActiveParagraphElement.cloneNode( true );
aParagraphClone.setAttribute( 'id', this.sParagraphId );
aParagraphClone.setAttribute( 'visibility', sVisibilityAttr );
this.aParentTextElement.replaceChild( aParagraphClone, this.aParagraphElement );
this.aParagraphElement = aParagraphClone;


var aEventMultiplexer = this.aSlideShowContext.aEventMultiplexer;
var aHyperlinkIdSet = this.aHyperlinkIdSet;
var aHyperlinkElementSet = getElementsByClassName( this.aParagraphElement, 'UrlField' );
var i = 0;
for( ; i < aHyperlinkIdSet.length; ++i )
{
aEventMultiplexer.notifyElementChangedEvent( aHyperlinkIdSet[i], aHyperlinkElementSet[i] );
}
}
this.aActiveElement.setAttribute( 'visibility', 'hidden' );
};

AnimatedTextElement.prototype.notifyAnimationStart = function()
{
DBGLOG( 'AnimatedTextElement.notifyAnimationStart' );
if( this.nRunningAnimations === 0 )
{
var sVisibilityAttr = this.aParagraphElement.getAttribute( 'visibility' );
if( !sVisibilityAttr )
sVisibilityAttr = 'inherit';
this.aActiveElement.setAttribute( 'visibility', sVisibilityAttr );
this.aGraphicGroupElement.setAttribute( 'visibility', 'inherit' );
this.aParagraphElement.setAttribute( 'visibility', 'hidden' );
}
++this.nRunningAnimations;
};

AnimatedTextElement.prototype.notifyAnimationEnd = function()
{
DBGLOG( 'AnimatedTextElement.notifyAnimationEnd' );
--this.nRunningAnimations;
if( this.nRunningAnimations === 0 )
{
this.restoreBaseTextParagraph();
}
};

AnimatedTextElement.prototype.saveState = function( nAnimationNodeId )
{
if( this.nRunningAnimations === 0 )
{
var sVisibilityAttr = this.aParagraphElement.getAttribute( 'visibility' );
this.aActiveElement.setAttribute( 'visibility', sVisibilityAttr );
this.aGraphicGroupElement.setAttribute( 'visibility', 'inherit' );
}
AnimatedTextElement.superclass.saveState.call( this, nAnimationNodeId );
};

AnimatedTextElement.prototype.restoreState = function( nAnimationNodeId )
{
var bRet = AnimatedTextElement.superclass.restoreState.call( this, nAnimationNodeId );
if( bRet )
this.restoreBaseTextParagraph();
return bRet;
};


function SlideTransition( aAnimationsRootElement, aSlideId )
{
this.sSlideId = aSlideId;
this.bIsValid = false;
this.eTransitionType = undefined;
this.eTransitionSubType = undefined;
this.bReverseDirection = false;
this.eTransitionMode = TRANSITION_MODE_IN;
this.sFadeColor = null;
this.aDuration = null;
this.nMinFrameCount = undefined;

if( aAnimationsRootElement )
{
if( aAnimationsRootElement.firstElementChild &&
( aAnimationsRootElement.firstElementChild.getAttributeNS( NSS['smil'], 'begin' ) === (this.sSlideId + '.begin') ) )
{
var aTransitionFilterElement = aAnimationsRootElement.firstElementChild.firstElementChild;
if( aTransitionFilterElement && ( aTransitionFilterElement.localName === 'transitionFilter' ) )
{
this.aElement = aTransitionFilterElement;
this.parseElement();
}
aAnimationsRootElement.removeChild( aAnimationsRootElement.firstElementChild );
}
}
}

SlideTransition.prototype.createSlideTransition = function( aLeavingSlide, aEnteringSlide )
{
if( !this.isValid() )
return null;
if( this.eTransitionType == 0 )
return null;

if( !aEnteringSlide )
{
log( 'SlideTransition.createSlideTransition: invalid entering slide.' );
return null;
}

var aTransitionInfo = aTransitionInfoTable[this.eTransitionType][this.eTransitionSubType];
var eTransitionClass = aTransitionInfo['class'];

switch( eTransitionClass )
{
default:
case TRANSITION_INVALID:
log( 'SlideTransition.createSlideTransition: transition class: TRANSITION_INVALID' );
return null;

case TRANSITION_CLIP_POLYPOLYGON:
var aParametricPolyPolygon
= createClipPolyPolygon( this.eTransitionType, this.eTransitionSubType );
return new ClippedSlideChange( aLeavingSlide, aEnteringSlide, aParametricPolyPolygon,
aTransitionInfo, this.isDirectionForward() );

case TRANSITION_SPECIAL:
switch( this.eTransitionType )
{
default:
log( 'SlideTransition.createSlideTransition: ' +
'transition class: TRANSITION_SPECIAL, ' +
'unknown transition type: ' + this.eTransitionType );
return null;

case PUSHWIPE_TRANSITION:
{
var bCombined = false;
var aDirection = null;
switch( this.eTransitionSubType )
{
default:
log( 'SlideTransition.createSlideTransition: ' +
'transition type: PUSHWIPE_TRANSITION, ' +
'unknown transition subtype: ' + this.eTransitionSubType );
return null;
case FROMTOP_TRANS_SUBTYPE:
aDirection = { x: 0.0, y: 1.0 };
break;
case FROMBOTTOM_TRANS_SUBTYPE:
aDirection = { x: 0.0, y: -1.0 };
break;
case FROMLEFT_TRANS_SUBTYPE:
aDirection = { x: 1.0, y: 0.0 };
break;
case FROMRIGHT_TRANS_SUBTYPE:
aDirection = { x: -1.0, y: 0.0 };
break;
}
if( bCombined )
return null;
else
return new MovingSlideChange( aLeavingSlide, aEnteringSlide, aDirection, aDirection );
}

case SLIDEWIPE_TRANSITION:
{
var aInDirection = null;
switch( this.eTransitionSubType )
{
default:
log( 'SlideTransition.createSlideTransition: ' +
'transition type: SLIDEWIPE_TRANSITION, ' +
'unknown transition subtype: ' + this.eTransitionSubType );
return null;
case FROMTOP_TRANS_SUBTYPE:
aInDirection = { x: 0.0, y: 1.0 };
break;
case FROMBOTTOM_TRANS_SUBTYPE:
aInDirection = { x: 0.0, y: -1.0 };
break;
case FROMLEFT_TRANS_SUBTYPE:
aInDirection = { x: 1.0, y: 0.0 };
break;
case FROMRIGHT_TRANS_SUBTYPE:
aInDirection = { x: -1.0, y: 0.0 };
break;
}
var aNoDirection = { x: 0.0, y: 0.0 };
if( !this.bReverseDirection )
{
return new MovingSlideChange( aLeavingSlide, aEnteringSlide, aNoDirection, aInDirection );
}
else
{
return new MovingSlideChange( aLeavingSlide, aEnteringSlide, aInDirection, aNoDirection );
}
}

case FADE_TRANSITION:
switch( this.eTransitionSubType )
{
default:
log( 'SlideTransition.createSlideTransition: ' +
'transition type: FADE_TRANSITION, ' +
'unknown transition subtype: ' + this.eTransitionSubType );
return null;
case CROSSFADE_TRANS_SUBTYPE:
return new FadingSlideChange( aLeavingSlide, aEnteringSlide );
case FADEOVERCOLOR_TRANS_SUBTYPE:
return new FadingOverColorSlideChange( aLeavingSlide, aEnteringSlide, this.getFadeColor() );
}
}
}
};

SlideTransition.prototype.parseElement = function()
{
this.bIsValid = true;
var aAnimElem = this.aElement;

this.eTransitionType = undefined;
var sTypeAttr = aAnimElem.getAttributeNS( NSS['smil'], 'type' );
if( sTypeAttr && aTransitionTypeInMap[ sTypeAttr ] )
{
this.eTransitionType = aTransitionTypeInMap[ sTypeAttr ];
}
else
{
this.bIsValid = false;
log( 'SlideTransition.parseElement: transition type not valid: ' + sTypeAttr );
}

this.eTransitionSubType = undefined;
var sSubTypeAttr = aAnimElem.getAttributeNS( NSS['smil'], 'subtype' );
if( sSubTypeAttr === null )
sSubTypeAttr = 'default';
if( sSubTypeAttr && ( aTransitionSubtypeInMap[ sSubTypeAttr ] !== undefined ) )
{
this.eTransitionSubType = aTransitionSubtypeInMap[ sSubTypeAttr ];
}
else
{
this.bIsValid = false;
log( 'SlideTransition.parseElement: transition subtype not valid: ' + sSubTypeAttr );
}

if( this.bIsValid && aTransitionInfoTable[this.eTransitionType][this.eTransitionSubType] === undefined )
{
this.bIsValid = false;
log( 'SlideTransition.parseElement: transition not valid: type: ' + sTypeAttr + ' subtype: ' + sSubTypeAttr );
}

this.bReverseDirection = false;
var sDirectionAttr = aAnimElem.getAttributeNS( NSS['smil'], 'direction' );
if( sDirectionAttr == 'reverse' )
this.bReverseDirection = true;

this.sFadeColor = null;
if( this.eTransitionType == FADE_TRANSITION &&
( this.eTransitionSubType == FADEFROMCOLOR_TRANS_SUBTYPE ||
this.eTransitionSubType == FADEOVERCOLOR_TRANS_SUBTYPE ||
this.eTransitionSubType == FADETOCOLOR_TRANS_SUBTYPE ) )
{
var sColorAttr = aAnimElem.getAttributeNS( NSS['smil'], 'fadeColor' );
if( sColorAttr )
this.sFadeColor = sColorAttr;
else
this.sFadeColor='#000000';
}


this.aDuration = null;
var sDurAttr = aAnimElem.getAttributeNS( NSS['smil'], 'dur' );
this.aDuration = new Duration( sDurAttr );
if( !this.aDuration.isSet() )
{
this.aDuration = new Duration( null ); // duration == 0.0
}

this.nMinFrameCount = ( this.getDuration().isValue() )
? ( this.getDuration().getValue() * MINIMUM_FRAMES_PER_SECONDS )
: MINIMUM_FRAMES_PER_SECONDS;
if( this.nMinFrameCount < 1.0 )
this.nMinFrameCount = 1;
else if( this.nMinFrameCount > MINIMUM_FRAMES_PER_SECONDS )
this.nMinFrameCount = MINIMUM_FRAMES_PER_SECONDS;

};

SlideTransition.prototype.isValid = function()
{
return this.bIsValid;
};

SlideTransition.prototype.getTransitionType = function()
{
return this.eTransitionType;
};

SlideTransition.prototype.getTransitionSubType = function()
{
return this.eTransitionSubType;
};

SlideTransition.prototype.getTransitionMode = function()
{
return this.eTransitionMode;
};

SlideTransition.prototype.getFadeColor = function()
{
return this.sFadeColor;
};

SlideTransition.prototype.isDirectionForward = function()
{
return !this.bReverseDirection;
};

SlideTransition.prototype.getDuration = function()
{
return this.aDuration;
};

SlideTransition.prototype.getMinFrameCount = function()
{
return this.nMinFrameCount;
};

SlideTransition.prototype.info = function()
{

var sInfo ='slide transition <' + this.sSlideId + '>: ';
sInfo += ';  type: ' + aTransitionTypeOutMap[ String( this.getTransitionType() ) ];

sInfo += ';  subtype: ' + aTransitionSubtypeOutMap[ this.getTransitionSubType() ];

if( !this.isDirectionForward() )
sInfo += ';  direction: reverse';

sInfo += '; mode: ' + aTransitionModeOutMap[ this.getTransitionMode() ];

if( this.getDuration() )
sInfo += '; duration: ' + this.getDuration().info();

return sInfo;
};


function SlideAnimations( aSlideShowContext )
{
this.aContext = new NodeContext( aSlideShowContext );
this.aAnimationNodeMap = {};
this.aAnimatedElementMap = {};
this.aSourceEventElementMap = {};
this.aNextEffectEventArray = new NextEffectEventArray();
this.aInteractiveAnimationSequenceMap = {};
this.aEventMultiplexer = new EventMultiplexer( aSlideShowContext.aTimerEventQueue );
this.aRootNode = null;
this.bElementsParsed = false;

this.aContext.aAnimationNodeMap = this.aAnimationNodeMap;
this.aContext.aAnimatedElementMap = this.aAnimatedElementMap;
this.aContext.aSourceEventElementMap = this.aSourceEventElementMap;

this.aEventMultiplexer.registerMouseClickHandler( document, 100 );
}


SlideAnimations.prototype.importAnimations = function( aAnimationRootElement )
{
if( !aAnimationRootElement )
return false;

this.aRootNode = createAnimationTree( aAnimationRootElement, this.aContext );

return ( this.aRootNode ? true : false );
};

SlideAnimations.prototype.parseElements = function()
{
if( !this.aRootNode )
return false;

if( !this.aRootNode.parseElement() )
return false;
else
this.bElementsParsed = true;
};

SlideAnimations.prototype.elementsParsed = function()
{
return this.bElementsParsed;
};

SlideAnimations.prototype.isFirstRun = function()
{
return this.aContext.bFirstRun;
};

SlideAnimations.prototype.isAnimated = function()
{
if( !this.bElementsParsed )
return false;

return this.aRootNode.hasPendingAnimation();
};

SlideAnimations.prototype.start = function()
{
if( !this.bElementsParsed )
return false;

this.chargeSourceEvents();
this.chargeInterAnimEvents();

aSlideShow.setSlideEvents( this.aNextEffectEventArray,
this.aInteractiveAnimationSequenceMap,
this.aEventMultiplexer );

if( this.aContext.bFirstRun == undefined )
this.aContext.bFirstRun = true;
else if( this.aContext.bFirstRun )
this.aContext.bFirstRun = false;

if( !this.aRootNode.init() )
return false;

return this.aRootNode.resolve();
};

SlideAnimations.prototype.end = function( bLeftEffectsSkipped )
{
if( !this.bElementsParsed )
return; // no animations there

this.aRootNode.deactivate();
this.aRootNode.end();

if( bLeftEffectsSkipped && this.isFirstRun() )
{
this.aContext.bFirstRun = undefined;
}
else if( this.isFirstRun() )
{
this.aContext.bFirstRun = false;
}

};

SlideAnimations.prototype.dispose = function()
{
if( this.aRootNode )
{
this.aRootNode.dispose();
}
};

SlideAnimations.prototype.clearNextEffectEvents = function()
{
ANIMDBG.print( 'SlideAnimations.clearNextEffectEvents: current slide: ' + nCurSlide );
this.aNextEffectEventArray.clear();
this.aContext.bFirstRun = undefined;
};

SlideAnimations.prototype.chargeSourceEvents = function()
{
for( var id in this.aSourceEventElementMap )
{
this.aSourceEventElementMap[id].charge();
}
};

SlideAnimations.prototype.chargeInterAnimEvents = function()
{
for( var id in this.aInteractiveAnimationSequenceMap )
{
this.aInteractiveAnimationSequenceMap[id].chargeEvents();
}
};


function Event()
{
this.nId = Event.getUniqueId();
}


Event.CURR_UNIQUE_ID = 0;

Event.getUniqueId = function()
{
++Event.CURR_UNIQUE_ID;
return Event.CURR_UNIQUE_ID;
};

Event.prototype.getId = function()
{
return this.nId;
};


function DelayEvent( aFunctor, nTimeout )
{
DelayEvent.superclass.constructor.call( this );

this.aFunctor = aFunctor;
this.nTimeout = nTimeout;
this.bWasFired = false;
}
extend( DelayEvent, Event );


DelayEvent.prototype.fire = function()
{
assert( this.isCharged(), 'DelayEvent.fire: assertion isCharged failed' );

this.bWasFired = true;
this.aFunctor();
return true;
};

DelayEvent.prototype.isCharged = function()
{
return !this.bWasFired;
};

DelayEvent.prototype.getActivationTime = function( nCurrentTime )
{
return ( this.nTimeout + nCurrentTime );
};

DelayEvent.prototype.dispose = function()
{
if( this.isCharged() )
this.bWasFired = true;
};

DelayEvent.prototype.charge = function()
{
if( !this.isCharged() )
this.bWasFired = false;
};


function makeEvent( aFunctor )
{
return new DelayEvent( aFunctor, 0.0 );
}


function makeDelay( aFunctor, nTimeout )
{
return new DelayEvent( aFunctor, nTimeout );
}


function registerEvent( nNodeId, aTiming, aEvent, aNodeContext )
{
var aSlideShowContext = aNodeContext.aContext;
var eTimingType = aTiming.getType();

registerEvent.DBG( aTiming );

if( eTimingType == OFFSET_TIMING )
{
aSlideShowContext.aTimerEventQueue.addEvent( aEvent );
}
else if ( aNodeContext.bFirstRun )
{
var aEventMultiplexer = aSlideShowContext.aEventMultiplexer;
if( !aEventMultiplexer )
{
log( 'registerEvent: event multiplexer not initialized' );
return;
}
var aNextEffectEventArray = aSlideShowContext.aNextEffectEventArray;
if( !aNextEffectEventArray )
{
log( 'registerEvent: next effect event array not initialized' );
return;
}
var aInteractiveAnimationSequenceMap =
aSlideShowContext.aInteractiveAnimationSequenceMap;
if( !aInteractiveAnimationSequenceMap )
{
log( 'registerEvent: interactive animation sequence map not initialized' );
return;
}

switch( eTimingType )
{
case EVENT_TIMING:
var eEventType = aTiming.getEventType();
var sEventBaseElemId = aTiming.getEventBaseElementId();
if( sEventBaseElemId )
{
var aEventBaseElem = document.getElementById( sEventBaseElemId );
if( !aEventBaseElem )
{
log( 'generateEvent: EVENT_TIMING: event base element not found: ' + sEventBaseElemId );
return;
}
var aSourceEventElement = aNodeContext.makeSourceEventElement( sEventBaseElemId, aEventBaseElem );

if( !aInteractiveAnimationSequenceMap[ nNodeId ] )
{
aInteractiveAnimationSequenceMap[ nNodeId ] = new InteractiveAnimationSequence(nNodeId);
}

var bEventRegistered = false;
switch( eEventType )
{
case EVENT_TRIGGER_ON_CLICK:
aEventMultiplexer.registerEvent( eEventType, aSourceEventElement.getId(), aEvent );
aEventMultiplexer.registerRewindedEffectHandler( aSourceEventElement.getId(),
bind2( aSourceEventElement.charge, aSourceEventElement ) );
bEventRegistered = true;
break;
default:
log( 'generateEvent: not handled event type: ' + eEventType );
}
if( bEventRegistered )
{
var aStartEvent = aInteractiveAnimationSequenceMap[ nNodeId ].getStartEvent();
var aEndEvent = aInteractiveAnimationSequenceMap[ nNodeId ].getEndEvent();
aEventMultiplexer.registerEvent( eEventType, aSourceEventElement.getId(), aStartEvent );
aEventMultiplexer.registerEvent( EVENT_TRIGGER_END_EVENT, nNodeId, aEndEvent );
aEventMultiplexer.registerRewindedEffectHandler(
nNodeId,
bind2( InteractiveAnimationSequence.prototype.chargeEvents,
aInteractiveAnimationSequenceMap[ nNodeId ] )
);
}
}
else  // no base event element present
{
switch( eEventType )
{
case EVENT_TRIGGER_ON_NEXT_EFFECT:
aNextEffectEventArray.appendEvent( aEvent );
break;
default:
log( 'generateEvent: not handled event type: ' + eEventType );
}
}
break;
case SYNCBASE_TIMING:
eEventType = aTiming.getEventType();
sEventBaseElemId = aTiming.getEventBaseElementId();
if( sEventBaseElemId )
{
var aAnimationNode = aNodeContext.aAnimationNodeMap[ sEventBaseElemId ];
if( !aAnimationNode )
{
log( 'generateEvent: SYNCBASE_TIMING: event base element not found: ' + sEventBaseElemId );
return;
}
aEventMultiplexer.registerEvent( eEventType, aAnimationNode.getId(), aEvent );
}
else
{
log( 'generateEvent: SYNCBASE_TIMING: event base element not specified' );
}
break;
default:
log( 'generateEvent: not handled timing type: ' + eTimingType );
}
}
}

registerEvent.DEBUG = aRegisterEventDebugPrinter.isEnabled();

registerEvent.DBG = function( aTiming, nTime )
{
if( registerEvent.DEBUG )
{
aRegisterEventDebugPrinter.print( 'registerEvent( timing: ' + aTiming.info() + ' )', nTime );
}
};


function SourceEventElement( sId, aElement, aEventMultiplexer )
{
this.sId = sId;
this.aElement = aElement;
this.aEventMultiplexer = aEventMultiplexer;

this.aEventMultiplexer.registerMouseClickHandler( this, 1000 );

this.bClickHandled = false;
this.bIsPointerOver = false;
this.aElement.addEventListener( 'mouseover', bind2( SourceEventElement.prototype.onMouseEnter, this), false );
this.aElement.addEventListener( 'mouseout', bind2( SourceEventElement.prototype.onMouseLeave, this), false );
}

SourceEventElement.prototype.getId = function()
{
return this.sId;
};

SourceEventElement.prototype.onMouseEnter = function()
{
this.bIsPointerOver = true;
this.setPointerCursor();
};

SourceEventElement.prototype.onMouseLeave = function()
{
this.bIsPointerOver = false;
this.setDefaultCursor();
};

SourceEventElement.prototype.charge = function()
{
this.bClickHandled = false;
this.setPointerCursor();
};

SourceEventElement.prototype.handleClick = function( aMouseEvent )
{
if( !this.bIsPointerOver ) return false;

if( this.bClickHandled )
return false;

this.aEventMultiplexer.notifyEvent( EVENT_TRIGGER_ON_CLICK, this.getId() );
aSlideShow.update();
this.bClickHandled = true;
this.setDefaultCursor();
return true;
};

SourceEventElement.prototype.setPointerCursor = function()
{
if( this.bClickHandled )
return;

this.aElement.setAttribute( 'style', 'cursor: pointer' );
};

SourceEventElement.prototype.setDefaultCursor = function()
{
this.aElement.setAttribute( 'style', 'cursor: default' );
};


function HyperlinkElement( sId, aEventMultiplexer )
{
var aElement = document.getElementById( sId );
if( !aElement )
{
log( 'error: HyperlinkElement: no element with id: <' + sId + '> found' );
return;
}
if( !aEventMultiplexer )
{
log( 'AnimatedElement constructor: event multiplexer is not valid' );
}

this.sId = sId;
this.aElement = aElement;
this.aEventMultiplexer = aEventMultiplexer;
this.nTargetSlideIndex = undefined;

this.sURL = getNSAttribute( 'xlink', this.aElement, 'href' );
if( this.sURL )
{
if( this.sURL[0] === '#' )
{
if( this.sURL.substr(1, 5) === 'Slide' )
{
var sSlideIndex = this.sURL.split( ' ' )[1];
this.nTargetSlideIndex = parseInt( sSlideIndex ) - 1;
}
}

this.aEventMultiplexer.registerElementChangedHandler( this.sId, bind2( HyperlinkElement.prototype.onElementChanged, this) );
this.aEventMultiplexer.registerMouseClickHandler( this, 1100 );

this.bIsPointerOver = false;
this.mouseEnterHandler = bind2( HyperlinkElement.prototype.onMouseEnter, this);
this.mouseLeaveHandler = bind2( HyperlinkElement.prototype.onMouseLeave, this);
this.aElement.addEventListener( 'mouseover', this.mouseEnterHandler, false );
this.aElement.addEventListener( 'mouseout', this.mouseLeaveHandler, false );
}
else
{
log( 'warning: HyperlinkElement(' + this.sId + '): url is empty' );
}
}

HyperlinkElement.prototype.onElementChanged = function( aElement )
{
if( !aElement )
{
log( 'error: HyperlinkElement: passed element is not valid' );
return;
}

if( this.sURL )
{
this.aElement.removeEventListener( 'mouseover', this.mouseEnterHandler, false );
this.aElement.removeEventListener( 'mouseout', this.mouseLeaveHandler, false );
this.aElement = aElement;
this.aElement.addEventListener( 'mouseover', this.mouseEnterHandler, false );
this.aElement.addEventListener( 'mouseout', this.mouseLeaveHandler, false );
}
};

HyperlinkElement.prototype.onMouseEnter = function()
{
this.bIsPointerOver = true;
this.setPointerCursor();
};

HyperlinkElement.prototype.onMouseLeave = function()
{
this.bIsPointerOver = false;
this.setDefaultCursor();
};

HyperlinkElement.prototype.handleClick = function( aMouseEvent )
{
if( !this.bIsPointerOver ) return false;


if( this.nTargetSlideIndex !== undefined )
{
aSlideShow.displaySlide( this.nTargetSlideIndex, true );
}
else
{
var aWindowObject = document.defaultView;
if( aWindowObject )
{
aWindowObject.open( this.sURL, this.sId );
}
else
{
log( 'error: HyperlinkElement.handleClick: invalid window object.' );
}
}

return true;
};

HyperlinkElement.prototype.setPointerCursor = function()
{
if( this.bClickHandled )
return;

this.aElement.setAttribute( 'style', 'cursor: pointer' );
};

HyperlinkElement.prototype.setDefaultCursor = function()
{
this.aElement.setAttribute( 'style', 'cursor: default' );
};


function InteractiveAnimationSequence( nId )
{
this.nId = nId;
this.bIsRunning = false;
this.aStartEvent = null;
this.aEndEvent = null;
}

InteractiveAnimationSequence.prototype.getId = function()
{
return this.nId;
};

InteractiveAnimationSequence.prototype.getStartEvent = function()
{
if( !this.aStartEvent )
{
this.aStartEvent =
makeEvent( bind2( InteractiveAnimationSequence.prototype.start, this ) );
}
return this.aStartEvent;
};

InteractiveAnimationSequence.prototype.getEndEvent = function()
{
if( !this.aEndEvent )
{
this.aEndEvent =
makeEvent( bind2( InteractiveAnimationSequence.prototype.end, this ) );
}
return this.aEndEvent;
};

InteractiveAnimationSequence.prototype.chargeEvents = function()
{
if( this.aStartEvent )      this.aStartEvent.charge();
if( this.aEndEvent )        this.aEndEvent.charge();
};

InteractiveAnimationSequence.prototype.isRunning = function()
{
return this.bIsRunning;
};

InteractiveAnimationSequence.prototype.start = function()
{
aSlideShow.notifyInteractiveAnimationSequenceStart( this.getId() );
this.bIsRunning = true;
};

InteractiveAnimationSequence.prototype.end = function()
{
aSlideShow.notifyInteractiveAnimationSequenceEnd( this.getId() );
this.bIsRunning = false;
};


function PriorityEntry( aValue, nPriority )
{
this.aValue = aValue;
this.nPriority = nPriority;
}

PriorityEntry.compare = function( aLhsEntry, aRhsEntry )
{
if ( aLhsEntry.nPriority < aRhsEntry.nPriority )
{
return -1;
}
else if (aLhsEntry.nPriority > aRhsEntry.nPriority)
{
return 1;
}
else
{
return 0;
}
};


function EventMultiplexer( aTimerEventQueue )
{
this.nId = EventMultiplexer.getUniqueId();
this.aTimerEventQueue = aTimerEventQueue;
this.aEventMap = {};
this.aSkipEffectEndHandlerSet = [];
this.aMouseClickHandlerSet = new PriorityQueue( PriorityEntry.compare );
this.aSkipEffectEvent = null;
this.aRewindCurrentEffectEvent = null;
this.aRewindLastEffectEvent = null;
this.aSkipInteractiveEffectEventSet = {};
this.aRewindRunningInteractiveEffectEventSet = {};
this.aRewindEndedInteractiveEffectEventSet = {};
this.aRewindedEffectHandlerSet = {};
this.aElementChangedHandlerSet = {};
}

EventMultiplexer.CURR_UNIQUE_ID = 0;

EventMultiplexer.getUniqueId = function()
{
++EventMultiplexer.CURR_UNIQUE_ID;
return EventMultiplexer.CURR_UNIQUE_ID;
};

EventMultiplexer.prototype.getId = function()
{
return this.nId;
};

EventMultiplexer.prototype.hasRegisteredMouseClickHandlers = function()
{
return !this.aMouseClickHandlerSet.isEmpty();
};

EventMultiplexer.prototype.registerMouseClickHandler = function( aHandler, nPriority )
{
var aHandlerEntry = new PriorityEntry( aHandler, nPriority );
this.aMouseClickHandlerSet.push( aHandlerEntry );
};

EventMultiplexer.prototype.notifyMouseClick = function( aMouseEvent )
{
var aMouseClickHandlerSet = this.aMouseClickHandlerSet.clone();
while( !aMouseClickHandlerSet.isEmpty() )
{
var aHandlerEntry = aMouseClickHandlerSet.top();
aMouseClickHandlerSet.pop();
if( aHandlerEntry.aValue.handleClick( aMouseEvent ) )
break;
}
};

EventMultiplexer.prototype.registerEvent = function( eEventType, aNotifierId, aEvent )
{
this.DBG( 'registerEvent', eEventType, aNotifierId );
if( !this.aEventMap[ eEventType ] )
{
this.aEventMap[ eEventType ] = {};
}
if( !this.aEventMap[ eEventType ][ aNotifierId ] )
{
this.aEventMap[ eEventType ][ aNotifierId ] = [];
}
this.aEventMap[ eEventType ][ aNotifierId ].push( aEvent );
};


EventMultiplexer.prototype.notifyEvent = function( eEventType, aNotifierId )
{
this.DBG( 'notifyEvent', eEventType, aNotifierId );
if( this.aEventMap[ eEventType ] )
{
if( this.aEventMap[ eEventType ][ aNotifierId ] )
{
var aEventArray = this.aEventMap[ eEventType ][ aNotifierId ];
var nSize = aEventArray.length;
for( var i = 0; i < nSize; ++i )
{
this.aTimerEventQueue.addEvent( aEventArray[i] );
}
}
}
};

EventMultiplexer.prototype.registerNextEffectEndHandler = function( aHandler )
{
this.aSkipEffectEndHandlerSet.push( aHandler );
};

EventMultiplexer.prototype.notifyNextEffectEndEvent = function()
{
var nSize = this.aSkipEffectEndHandlerSet.length;
for( var i = 0; i < nSize; ++i )
{
(this.aSkipEffectEndHandlerSet[i])();
}
this.aSkipEffectEndHandlerSet = [];
};

EventMultiplexer.prototype.registerSkipEffectEvent = function( aEvent )
{
this.aSkipEffectEvent = aEvent;
};

EventMultiplexer.prototype.notifySkipEffectEvent = function()
{
if( this.aSkipEffectEvent )
{
this.aTimerEventQueue.addEvent( this.aSkipEffectEvent );
this.aSkipEffectEvent = null;
}
};

EventMultiplexer.prototype.registerRewindCurrentEffectEvent = function( aEvent )
{
this.aRewindCurrentEffectEvent = aEvent;
};

EventMultiplexer.prototype.notifyRewindCurrentEffectEvent = function()
{
if( this.aRewindCurrentEffectEvent )
{
this.aTimerEventQueue.addEvent( this.aRewindCurrentEffectEvent );
this.aRewindCurrentEffectEvent = null;
}
};

EventMultiplexer.prototype.registerRewindLastEffectEvent = function( aEvent )
{
this.aRewindLastEffectEvent = aEvent;
};

EventMultiplexer.prototype.notifyRewindLastEffectEvent = function()
{
if( this.aRewindLastEffectEvent )
{
this.aTimerEventQueue.addEvent( this.aRewindLastEffectEvent );
this.aRewindLastEffectEvent = null;
}
};

EventMultiplexer.prototype.registerSkipInteractiveEffectEvent = function( nNotifierId, aEvent )
{
this.aSkipInteractiveEffectEventSet[ nNotifierId ] = aEvent;
};

EventMultiplexer.prototype.notifySkipInteractiveEffectEvent = function( nNotifierId )
{
if( this.aSkipInteractiveEffectEventSet[ nNotifierId ] )
{
this.aTimerEventQueue.addEvent( this.aSkipInteractiveEffectEventSet[ nNotifierId ] );
}
};

EventMultiplexer.prototype.registerRewindRunningInteractiveEffectEvent = function( nNotifierId, aEvent )
{
this.aRewindRunningInteractiveEffectEventSet[ nNotifierId ] = aEvent;
};

EventMultiplexer.prototype.notifyRewindRunningInteractiveEffectEvent = function( nNotifierId )
{
if( this.aRewindRunningInteractiveEffectEventSet[ nNotifierId ] )
{
this.aTimerEventQueue.addEvent( this.aRewindRunningInteractiveEffectEventSet[ nNotifierId ] );
}
};

EventMultiplexer.prototype.registerRewindEndedInteractiveEffectEvent = function( nNotifierId, aEvent )
{
this.aRewindEndedInteractiveEffectEventSet[ nNotifierId ] = aEvent;
};

EventMultiplexer.prototype.notifyRewindEndedInteractiveEffectEvent = function( nNotifierId )
{
if( this.aRewindEndedInteractiveEffectEventSet[ nNotifierId ] )
{
this.aTimerEventQueue.addEvent( this.aRewindEndedInteractiveEffectEventSet[ nNotifierId ] );
}
};

EventMultiplexer.prototype.registerRewindedEffectHandler = function( aNotifierId, aHandler )
{
this.aRewindedEffectHandlerSet[ aNotifierId ] = aHandler;
};

EventMultiplexer.prototype.notifyRewindedEffectEvent = function( aNotifierId )
{
if( this.aRewindedEffectHandlerSet[ aNotifierId ] )
{
(this.aRewindedEffectHandlerSet[ aNotifierId ])();
}
};

EventMultiplexer.prototype.registerElementChangedHandler = function( aNotifierId, aHandler )
{
this.aElementChangedHandlerSet[ aNotifierId ] = aHandler;
};

EventMultiplexer.prototype.notifyElementChangedEvent = function( aNotifierId, aElement )
{
if( this.aElementChangedHandlerSet[ aNotifierId ] )
{
(this.aElementChangedHandlerSet[ aNotifierId ])( aElement );
}
};

EventMultiplexer.DEBUG = aEventMultiplexerDebugPrinter.isEnabled();

EventMultiplexer.prototype.DBG = function( sMethodName, eEventType, aNotifierId, nTime )
{
if( EventMultiplexer.DEBUG )
{
var sInfo = 'EventMultiplexer.' + sMethodName;
sInfo += '( type: ' + aEventTriggerOutMap[ eEventType ];
sInfo += ', notifier: ' + aNotifierId + ' )';
aEventMultiplexerDebugPrinter.print( sInfo, nTime );
}
};


var aInterpolatorHandler = {};

aInterpolatorHandler.getInterpolator = function( eCalcMode, eValueType, eValueSubtype )
{
var bHasSubtype = ( typeof( eValueSubtype ) === typeof( 0 ) );

if( !bHasSubtype && aInterpolatorHandler.aLerpFunctorMap[ eCalcMode ][ eValueType ] )
{
return aInterpolatorHandler.aLerpFunctorMap[ eCalcMode ][ eValueType ];
}
else if( bHasSubtype && aInterpolatorHandler.aLerpFunctorMap[ eCalcMode ][ eValueType ][ eValueSubtype ] )
{
return aInterpolatorHandler.aLerpFunctorMap[ eCalcMode ][ eValueType ][ eValueSubtype ];
}
else
{
log( 'aInterpolatorHandler.getInterpolator: not found any valid interpolator for calc mode '
+ aCalcModeOutMap[eCalcMode]  + 'and value type ' + aValueTypeOutMap[eValueType]  );
return null;
}
};

aInterpolatorHandler.aLerpFunctorMap = [];
aInterpolatorHandler.aLerpFunctorMap[ CALC_MODE_DISCRETE ] = [];
aInterpolatorHandler.aLerpFunctorMap[ CALC_MODE_LINEAR ] = [];


aInterpolatorHandler.aLerpFunctorMap[ CALC_MODE_LINEAR ][ NUMBER_PROPERTY ] =
function ( nFrom, nTo, nT )
{
return ( ( 1.0 - nT )* nFrom + nT * nTo );
};

aInterpolatorHandler.aLerpFunctorMap[ CALC_MODE_LINEAR ][ COLOR_PROPERTY ] = [];

aInterpolatorHandler.aLerpFunctorMap[ CALC_MODE_LINEAR ][ COLOR_PROPERTY ][ COLOR_SPACE_RGB ] =
function ( nFrom, nTo, nT )
{
return RGBColor.interpolate( nFrom, nTo, nT );
};

aInterpolatorHandler.aLerpFunctorMap[ CALC_MODE_LINEAR ][ COLOR_PROPERTY ][ COLOR_SPACE_HSL ] =
function ( bCCW  )
{
return  function ( nFrom, nTo, nT )
{
return HSLColor.interpolate( nFrom, nTo, nT, bCCW );
};
};


function KeyStopLerp( aValueList )
{
KeyStopLerp.validateInput( aValueList );

this.aKeyStopList = [];
this.nLastIndex = 0;
this.nKeyStopDistance = aValueList[1] - aValueList[0];
if( this.nKeyStopDistance <= 0 )
this.nKeyStopDistance = 0.001;

for( var i = 0; i < aValueList.length; ++i )
this.aKeyStopList.push( aValueList[i] );

this.nUpperBoundIndex = this.aKeyStopList.length - 2;
}


KeyStopLerp.validateInput = function( aValueList )
{
var nSize = aValueList.length;
assert( nSize > 1, 'KeyStopLerp.validateInput: key stop vector must have two entries or more' );

for( var i = 1; i < nSize; ++i )
{
if( aValueList[i-1] > aValueList[i] )
log( 'KeyStopLerp.validateInput: time vector is not sorted in ascending order!' );
}
};

KeyStopLerp.prototype.reset = function()
{
KeyStopLerp.validateInput( this.aKeyStopList );
this.nLastIndex = 0;
this.nKeyStopDistance = this.aKeyStopList[1] - this.aKeyStopList[0];
if( this.nKeyStopDistance <= 0 )
this.nKeyStopDistance = 0.001;

};

KeyStopLerp.prototype.lerp = function( nAlpha )
{
if( nAlpha > this.aKeyStopList[ this.nLastIndex + 1 ] )
{
do
{
var nIndex = this.nLastIndex + 1;
this.nLastIndex = clamp( nIndex, 0, this.nUpperBoundIndex );
this.nKeyStopDistance = this.aKeyStopList[ this.nLastIndex + 1 ] - this.aKeyStopList[ this.nLastIndex ];
}
while( ( this.nKeyStopDistance <= 0 ) && ( this.nLastIndex < this.nUpperBoundIndex ) );
}

var nRawLerp = ( nAlpha - this.aKeyStopList[ this.nLastIndex ] ) / this.nKeyStopDistance;

nRawLerp = clamp( nRawLerp, 0.0, 1.0 );

var aResult = {};
aResult.nIndex = this.nLastIndex;
aResult.nLerp = nRawLerp;

return aResult;
};

KeyStopLerp.prototype.lerp_ported = function( nAlpha )
{
if( ( this.aKeyStopList[ this.nLastIndex ] < nAlpha ) ||
( this.aKeyStopList[ this.nLastIndex + 1 ] >= nAlpha ) )
{
var i = 0;
for( ; i < this.aKeyStopList.length; ++i )
{
if( this.aKeyStopList[i] >= nAlpha )
break;
}
if( this.aKeyStopList[i] > nAlpha )
--i;
var nIndex = i - 1;
this.nLastIndex = clamp( nIndex, 0, this.aKeyStopList.length - 2 );
}

var nRawLerp = ( nAlpha - this.aKeyStopList[ this.nLastIndex ] ) /
( this.aKeyStopList[ this.nLastIndex+1 ] - this.aKeyStopList[ this.nLastIndex ] );

nRawLerp = clamp( nRawLerp, 0.0, 1.0 );

var aResult = {};
aResult.nIndex = this.nLastIndex;
aResult.nLerp = nRawLerp;

return aResult;
};


var aOperatorSetMap = [];

aOperatorSetMap[ NUMBER_PROPERTY ] = {};

aOperatorSetMap[ NUMBER_PROPERTY ].equal = function( a, b )
{
return ( a === b );
};

aOperatorSetMap[ NUMBER_PROPERTY ].add = function( a, b )
{
return ( a + b );
};

aOperatorSetMap[ NUMBER_PROPERTY ].scale = function( k, v )
{
return ( k * v );
};

aOperatorSetMap[ COLOR_PROPERTY ] = {};

aOperatorSetMap[ COLOR_PROPERTY ].equal = function( a, b )
{
return a.equal( b );
};

aOperatorSetMap[ COLOR_PROPERTY ].add = function( a, b )
{
var c = a.clone();
c.add( b );
return c;
};

aOperatorSetMap[ COLOR_PROPERTY ].scale = function( k, v )
{
var r = v.clone();
r.scale( k );
return r;
};


function ActivityParamSet()
{
this.aEndEvent = null;
this.aTimerEventQueue = null;
this.aActivityQueue = null;
this.nMinDuration = undefined;
this.nMinNumberOfFrames = MINIMUM_FRAMES_PER_SECONDS;
this.bAutoReverse = false;
this.nRepeatCount = 1.0;
this.nAccelerationFraction = 0.0;
this.nDecelerationFraction = 0.0;
this.nSlideWidth = undefined;
this.nSlideHeight = undefined;
this.aFormula = null;
this.aDiscreteTimes = [];
}


function AnimationActivity()
{
this.nId = AnimationActivity.getUniqueId();
}


AnimationActivity.CURR_UNIQUE_ID = 0;

AnimationActivity.getUniqueId = function()
{
++AnimationActivity.CURR_UNIQUE_ID;
return AnimationActivity.CURR_UNIQUE_ID;
};

AnimationActivity.prototype.getId = function()
{
return this.nId;
};


function SetActivity( aCommonParamSet, aAnimation, aToAttr  )
{
SetActivity.superclass.constructor.call( this );

this.aAnimation = aAnimation;
this.aTargetElement = null;
this.aEndEvent = aCommonParamSet.aEndEvent;
this.aTimerEventQueue = aCommonParamSet.aTimerEventQueue;
this.aToAttr = aToAttr;
this.bIsActive = true;
}
extend( SetActivity, AnimationActivity );


SetActivity.prototype.activate = function( aEndEvent )
{
this.aEndEvent = aEndEvent;
this.bIsActive = true;
};

SetActivity.prototype.dispose = function()
{
this.bIsActive = false;
if( this.aEndEvent && this.aEndEvent.isCharged() )
this.aEndEvent.dispose();
};

SetActivity.prototype.calcTimeLag = function()
{
return 0.0;
};

SetActivity.prototype.perform = function()
{
if( !this.isActive() )
return false;

this.bIsActive = false;

if( this.aAnimation && this.aTargetElement )
{
this.aAnimation.start( this.aTargetElement );
this.aAnimation.perform( this.aToAttr );
this.aAnimation.end();
}

if( this.aEndEvent )
this.aTimerEventQueue.addEvent( this.aEndEvent );

};

SetActivity.prototype.isActive = function()
{
return this.bIsActive;
};

SetActivity.prototype.dequeued = function()
{
};

SetActivity.prototype.end = function()
{
this.perform();
};

SetActivity.prototype.setTargets = function( aTargetElement )
{
assert( aTargetElement, 'SetActivity.setTargets: target element is not valid' );
this.aTargetElement = aTargetElement;
};


function ActivityBase( aCommonParamSet )
{
ActivityBase.superclass.constructor.call( this );

this.aTargetElement = null;
this.aEndEvent = aCommonParamSet.aEndEvent;
this.aTimerEventQueue = aCommonParamSet.aTimerEventQueue;
this.nRepeats = aCommonParamSet.nRepeatCount;
this.nAccelerationFraction = aCommonParamSet.nAccelerationFraction;
this.nDecelerationFraction = aCommonParamSet.nDecelerationFraction;
this.bAutoReverse = aCommonParamSet.bAutoReverse;

this.bFirstPerformCall = true;
this.bIsActive = true;

}
extend( ActivityBase, AnimationActivity );


ActivityBase.prototype.activate = function( aEndEvent )
{
this.aEndEvent = aEndEvent;
this.bFirstPerformCall = true;
this.bIsActive = true;
};

ActivityBase.prototype.dispose = function()
{
this.bIsActive = false;

if( this.aEndEvent )
this.aEndEvent.dispose();

this.aEndEvent = null;
};

ActivityBase.prototype.perform = function()
{
if( !this.isActive() )
return false; // no, early exit.

assert( !this.bFirstPerformCall, 'ActivityBase.perform: assertion (!this.FirstPerformCall) failed' );

return true;
};

ActivityBase.prototype.calcTimeLag = function()
{
if( this.isActive() && this.bFirstPerformCall )
{
this.bFirstPerformCall = false;

this.startAnimation();
}
return 0.0;
};

ActivityBase.prototype.isActive = function()
{
return this.bIsActive;
};

ActivityBase.prototype.isDisposed = function()
{
return ( !this.bIsActive && !this.aEndEvent );
};

ActivityBase.prototype.dequeued = function()
{
if( !this.isActive() )
this.endAnimation();
};

ActivityBase.prototype.setTargets = function( aTargetElement )
{
assert( aTargetElement, 'ActivityBase.setTargets: target element is not valid' );

this.aTargetElement = aTargetElement;
};

ActivityBase.prototype.startAnimation = function()
{
throw ( 'ActivityBase.startAnimation: abstract method invoked' );
};

ActivityBase.prototype.endAnimation = function()
{
throw ( 'ActivityBase.endAnimation: abstract method invoked' );
};

ActivityBase.prototype.endActivity = function()
{
this.bIsActive = false;

if( this.aEndEvent )
this.aTimerEventQueue.addEvent( this.aEndEvent );

this.aEndEvent = null;

};

ActivityBase.prototype.calcAcceleratedTime = function( nT )
{


nT = clamp( nT, 0.0, 1.0 );

if( ( this.nAccelerationFraction > 0.0 || this.nDecelerationFraction > 0.0 ) &&
( this.nAccelerationFraction + this.nDecelerationFraction <= 1.0 ) )
{
var nC = 1.0 - 0.5*this.nAccelerationFraction - 0.5*this.nDecelerationFraction;

var nTPrime = 0.0;

if( nT < this.nAccelerationFraction )
{
nTPrime += 0.5 * nT * nT / this.nAccelerationFraction; // partial first interval
}
else
{
nTPrime += 0.5 * this.nAccelerationFraction; // full first interval

if( nT <= ( 1.0 - this.nDecelerationFraction ) )
{
nTPrime += nT - this.nAccelerationFraction; // partial second interval
}
else
{
nTPrime += 1.0 - this.nAccelerationFraction - this.nDecelerationFraction; // full second interval

var nTRelative = nT - 1.0 + this.nDecelerationFraction;

nTPrime += nTRelative - 0.5*nTRelative*nTRelative / this.nDecelerationFraction;
}
}

nT = nTPrime / nC;

}
return nT;
};

ActivityBase.prototype.getEventQueue = function()
{
return this.aTimerEventQueue;
};

ActivityBase.prototype.getTargetElement = function()
{
return this.aTargetElement;
};

ActivityBase.prototype.isRepeatCountValid = function()
{
return !!this.nRepeats; // first ! convert to bool
};

ActivityBase.prototype.getRepeatCount = function()
{
return this.nRepeats;
};

ActivityBase.prototype.isAutoReverse = function()
{
return this.bAutoReverse;
};

ActivityBase.prototype.end = function()
{
if( !this.isActive() || this.isDisposed() )
return;

if( this.bFirstPerformCall )
{
this.bFirstPerformCall = false;
this.startAnimation();
}

this.performEnd();
this.endAnimation();
this.endActivity();
};

ActivityBase.prototype.performEnd = function()
{
throw ( 'ActivityBase.performEnd: abstract method invoked' );
};


function SimpleContinuousActivityBase( aCommonParamSet )
{
SimpleContinuousActivityBase.superclass.constructor.call( this, aCommonParamSet );

this.aTimer = new ElapsedTime( aCommonParamSet.aActivityQueue.getTimer() );
this.nMinSimpleDuration = aCommonParamSet.nMinDuration;
this.nMinNumberOfFrames = aCommonParamSet.nMinNumberOfFrames;
this.nCurrPerformCalls = 0;

}
extend( SimpleContinuousActivityBase, ActivityBase );


SimpleContinuousActivityBase.prototype.startAnimation = function()
{
this.aTimer.reset();
};

SimpleContinuousActivityBase.prototype.calcTimeLag = function()
{
SimpleContinuousActivityBase.superclass.calcTimeLag.call( this );

if( !this.isActive() )
return 0.0;

var nCurrElapsedTime = this.aTimer.getElapsedTime();


var nFractionElapsedTime = nCurrElapsedTime / this.nMinSimpleDuration;

var nFractionRequiredCalls = this.nCurrPerformCalls / this.nMinNumberOfFrames;


if( nFractionElapsedTime < nFractionRequiredCalls )
{
return 0.0;
}
else
{
return ( ( nFractionElapsedTime - nFractionRequiredCalls ) * this.nMinSimpleDuration );
}
};

SimpleContinuousActivityBase.prototype.perform = function()
{
if( !SimpleContinuousActivityBase.superclass.perform.call( this ) )
return false; // done, we're ended

var nCurrElapsedTime = this.aTimer.getElapsedTime();
var nT = nCurrElapsedTime / this.nMinSimpleDuration;


var bActivityEnding = false;

if( this.isRepeatCountValid() )
{

var nRepeatCount = this.getRepeatCount();
var nEffectiveRepeat = this.isAutoReverse() ? 2.0 * nRepeatCount : nRepeatCount;

if( nEffectiveRepeat <= nT )
{
bActivityEnding = true;

nT = nEffectiveRepeat;
}
}


var nRepeats;
var nRelativeSimpleTime;
if( this.isAutoReverse() )
{
nRepeats = Math.floor( nT );
var nFractionalActiveDuration =  nT - nRepeats;

if( nRepeats % 2 )
{
nRelativeSimpleTime = 1.0 - nFractionalActiveDuration;
}
else
{
nRelativeSimpleTime = nFractionalActiveDuration;
}

nRepeats /= 2;
}
else
{

nRepeats = Math.floor( nT );
nRelativeSimpleTime = nT - nRepeats;

if( this.isRepeatCountValid() && ( nRepeats >= this.getRepeatCount() ) )
{

nRelativeSimpleTime = 1.0;
nRepeats -= 1.0;
}
}


this.simplePerform( nRelativeSimpleTime, nRepeats );

if( bActivityEnding )
this.endActivity();

++this.nCurrPerformCalls;

return this.isActive();
};

SimpleContinuousActivityBase.prototype.simplePerform = function( nSimpleTime, nRepeatCount )
{
throw ( 'SimpleContinuousActivityBase.simplePerform: abstract method invoked' );
};


function ContinuousKeyTimeActivityBase( aCommonParamSet )
{
var nSize = aCommonParamSet.aDiscreteTimes.length;
assert( nSize > 1,
'ContinuousKeyTimeActivityBase constructor: assertion (aDiscreteTimes.length > 1) failed' );

assert( aCommonParamSet.aDiscreteTimes[0] == 0.0,
'ContinuousKeyTimeActivityBase constructor: assertion (aDiscreteTimes.front() == 0.0) failed' );

assert( aCommonParamSet.aDiscreteTimes[ nSize - 1 ] <= 1.0,
'ContinuousKeyTimeActivityBase constructor: assertion (aDiscreteTimes.back() <= 1.0) failed' );

ContinuousKeyTimeActivityBase.superclass.constructor.call( this, aCommonParamSet );

this.aLerper = new KeyStopLerp( aCommonParamSet.aDiscreteTimes );
}
extend( ContinuousKeyTimeActivityBase, SimpleContinuousActivityBase );


ContinuousKeyTimeActivityBase.prototype.activate = function( aEndElement )
{
ContinuousKeyTimeActivityBase.superclass.activate.call( this, aEndElement );

this.aLerper.reset();
};

ContinuousKeyTimeActivityBase.prototype.performHook = function( nIndex, nFractionalIndex, nRepeatCount )
{
throw ( 'ContinuousKeyTimeActivityBase.performHook: abstract method invoked' );
};

ContinuousKeyTimeActivityBase.prototype.simplePerform = function( nSimpleTime, nRepeatCount )
{
var nAlpha = this.calcAcceleratedTime( nSimpleTime );

var aLerpResult = this.aLerper.lerp( nAlpha );

this.performHook( aLerpResult.nIndex, aLerpResult.nLerp, nRepeatCount );
};


function ContinuousActivityBase( aCommonParamSet )
{
ContinuousActivityBase.superclass.constructor.call( this, aCommonParamSet );

}
extend( ContinuousActivityBase, SimpleContinuousActivityBase );


ContinuousActivityBase.prototype.performHook = function( nModifiedTime, nRepeatCount )
{
throw ( 'ContinuousActivityBase.performHook: abstract method invoked' );
};

ContinuousActivityBase.prototype.simplePerform = function( nSimpleTime, nRepeatCount )
{
this.performHook( this.calcAcceleratedTime( nSimpleTime ), nRepeatCount );
};


function SimpleActivity( aCommonParamSet, aNumberAnimation, eDirection )
{
assert( ( eDirection == BACKWARD ) || ( eDirection == FORWARD ),
'SimpleActivity constructor: animation direction is not valid' );

assert( aNumberAnimation, 'SimpleActivity constructor: animation object is not valid' );

SimpleActivity.superclass.constructor.call( this, aCommonParamSet );

this.aAnimation = aNumberAnimation;
this.nDirection = ( eDirection == FORWARD ) ? 1.0 : 0.0;
}
extend( SimpleActivity, ContinuousActivityBase );


SimpleActivity.prototype.startAnimation = function()
{
if( this.isDisposed() || !this.aAnimation )
return;

ANIMDBG.print( 'SimpleActivity.startAnimation invoked' );
SimpleActivity.superclass.startAnimation.call( this );

this.aAnimation.start( this.getTargetElement() );
};

SimpleActivity.prototype.endAnimation = function()
{
if( this.aAnimation )
this.aAnimation.end();

};

SimpleActivity.prototype.performHook = function( nModifiedTime, nRepeatCount )
{

if( this.isDisposed() || !this.aAnimation )
return;

var nT = 1.0 - this.nDirection + nModifiedTime * ( 2.0*this.nDirection - 1.0 );
this.aAnimation.perform( nT );
};

SimpleActivity.prototype.performEnd = function()
{
if( this.aAnimation )
this.aAnimation.perform( this.nDirection );
};


function FromToByActivityTemplate( BaseType ) // template parameter
{

function FromToByActivity( aFromValue, aToValue, aByValue,
aActivityParamSet, aAnimation,
aInterpolator, aOperatorSet, bAccumulate )
{
assert( aAnimation, 'FromToByActivity constructor: invalid animation object' );
assert( ( aToValue != undefined ) || ( aByValue != undefined ),
'FromToByActivity constructor: one of aToValue or aByValue must be valid' );

FromToByActivity.superclass.constructor.call( this, aActivityParamSet );

this.aFrom = aFromValue;
this.aTo = aToValue;
this.aBy = aByValue;
this.aStartValue = null;
this.aEndValue = null;
this.aPreviousValue = null;
this.aStartInterpolationValue = null;
this.aAnimation = aAnimation;
this.aInterpolator = aInterpolator;
this.equal = aOperatorSet.equal;
this.add = aOperatorSet.add;
this.scale = aOperatorSet.scale;
this.bDynamicStartValue = false;
this.nIteration = 0;
this.bCumulative = bAccumulate;
this.aFormula = aActivityParamSet.aFormula;


}
extend( FromToByActivity, BaseType );

FromToByActivity.prototype.initAnimatedElement = function()
{
if( this.aAnimation && this.aFrom )
{
var aValue = this.aFormula ? this.aFormula( this.aFrom ) : this.aFrom;
this.aAnimation.perform(aValue);
}
};

FromToByActivity.prototype.startAnimation = function()
{
if( this.isDisposed() || !this.aAnimation  )
{
log( 'FromToByActivity.startAnimation: activity disposed or not valid animation' );
return;
}

FromToByActivity.superclass.startAnimation.call( this );

this.aAnimation.start( this.getTargetElement() );


var aAnimationStartValue = this.aAnimation.getUnderlyingValue();

if( this.aFrom )
{
if( this.aTo )
{
this.aStartValue = this.aFrom;
this.aEndValue = this.aTo;
}
else if( this.aBy )
{
this.aStartValue = this.aFrom;

this.aEndValue = this.add( this.aStartValue, this.aBy );
}
}
else
{
this.aStartValue = aAnimationStartValue;
this.aStartInterpolationValue = this.aStartValue;

if( this.aTo )
{

this.bDynamicStartValue = true;
this.aPreviousValue = this.aStartValue;
this.aEndValue = this.aTo;
}
else if( this.aBy )
{
this.aStartValue = aAnimationStartValue;

this.aEndValue = this.add( this.aStartValue, this.aBy );
}
}

ANIMDBG.print( 'FromToByActivity.startAnimation: aStartValue = ' + this.aStartValue + ', aEndValue = ' + this.aEndValue );
};

FromToByActivity.prototype.endAnimation = function()
{
if( this.aAnimation )
this.aAnimation.end();
};

FromToByActivity.prototype.performHook = function( nModifiedTime, nRepeatCount )
{
if( this.isDisposed() || !this.aAnimation  )
{
log( 'FromToByActivity.performHook: activity disposed or not valid animation' );
return;
}


if( this.bDynamicStartValue )
{
if( this.nIteration != nRepeatCount )
{
this.nIteration = nRepeatCount;
this.aStartInterpolationValue =  this.aStartValue;
}
else
{
var aActualValue = this.aAnimation.getUnderlyingValue();
if( !this.equal( aActualValue, this.aPreviousValue ) )
this.aStartInterpolationValue = aActualValue;
}
}

var aValue = this.aInterpolator( this.aStartInterpolationValue,
this.aEndValue, nModifiedTime );

if( this.bCumulative && !this.bDynamicStartValue )
{
aValue = this.add( this.scale( nRepeatCount, this.aEndValue ), aValue );
}

aValue = this.aFormula ? this.aFormula( aValue ) : aValue;
this.aAnimation.perform( aValue );

if( this.bDynamicStartValue )
{
this.aPreviousValue = this.aAnimation.getUnderlyingValue();
}

};

FromToByActivity.prototype.performEnd = function()
{
if( this.aAnimation )
{
var aValue = this.isAutoReverse() ? this.aStartValue : this.aEndValue;
aValue = this.aFormula ? this.aFormula( aValue ) : aValue;
this.aAnimation.perform( aValue );
}
};

FromToByActivity.prototype.dispose = function()
{
FromToByActivity.superclass.dispose.call( this );
};


return FromToByActivity;
}


var LinearFromToByActivity = instantiate( FromToByActivityTemplate, ContinuousActivityBase );


function  ValueListActivityTemplate( BaseType ) // template parameter
{

function ValueListActivity( aValueList, aActivityParamSet,
aAnimation, aInterpolator,
aOperatorSet, bAccumulate )
{
assert( aAnimation, 'ValueListActivity constructor: invalid animation object' );
assert( aValueList.length != 0, 'ValueListActivity: value list is empty' );

ValueListActivity.superclass.constructor.call( this, aActivityParamSet );

this.aValueList = aValueList;
this.aAnimation = aAnimation;
this.aInterpolator = aInterpolator;
this.add = aOperatorSet.add;
this.scale = aOperatorSet.scale;
this.bCumulative = bAccumulate;
this.aLastValue = this.aValueList[ this.aValueList.length - 1 ];
this.aFormula = aActivityParamSet.aFormula;

}
extend( ValueListActivity, BaseType );

ValueListActivity.prototype.activate = function( aEndEvent )
{
ValueListActivity.superclass.activate.call( this, aEndEvent );
for( var i = 0; i < this.aValueList.length; ++i )
{
ANIMDBG.print( 'createValueListActivity: value[' + i + '] = ' + this.aValueList[i] );
}

};

ValueListActivity.prototype.initAnimatedElement = function()
{
if( this.aAnimation )
{
var aValue = this.aValueList[0];
aValue = this.aFormula ? this.aFormula( aValue ) : aValue;
this.aAnimation.perform(aValue);
}
};

ValueListActivity.prototype.startAnimation = function()
{
if( this.isDisposed() || !this.aAnimation  )
{
log( 'ValueListActivity.startAnimation: activity disposed or not valid animation' );
return;
}

ValueListActivity.superclass.startAnimation.call( this );

this.aAnimation.start( this.getTargetElement() );
};

ValueListActivity.prototype.endAnimation = function()
{
if( this.aAnimation )
this.aAnimation.end();
};

ValueListActivity.prototype.performHook = function( nIndex, nFractionalIndex, nRepeatCount )
{
if( this.isDisposed() || !this.aAnimation  )
{
log( 'ValueListActivity.performHook: activity disposed or not valid animation' );
return;
}

assert( ( nIndex + 1 ) < this.aValueList.length,
'ValueListActivity.performHook: assertion (nIndex + 1 < this.aValueList.length) failed' );


var aValue = this.aInterpolator( this.aValueList[ nIndex ],
this.aValueList[ nIndex+1 ],
nFractionalIndex );

if( this.bCumulative )
{
aValue = this.add( aValue, this.scale( nRepeatCount, this.aLastValue ) );
}

aValue = this.aFormula ? this.aFormula( aValue ) : aValue;
this.aAnimation.perform( aValue );
};

ValueListActivity.prototype.performEnd = function()
{
if( this.aAnimation )
{
var aValue = this.aFormula ? this.aFormula( this.aLastValue ) : this.aLastValue;
this.aAnimation.perform( aValue );
}
};

ValueListActivity.prototype.dispose = function()
{
ValueListActivity.superclass.dispose.call( this );
};


return ValueListActivity;
}


var LinearValueListActivity = instantiate( ValueListActivityTemplate, ContinuousKeyTimeActivityBase );


function createActivity( aActivityParamSet, aAnimationNode, aAnimation, aInterpolator )
{
var eCalcMode = aAnimationNode.getCalcMode();

var sAttributeName = aAnimationNode.getAttributeName();
var aAttributeProp = aAttributeMap[ sAttributeName ];

var eValueType = aAttributeProp[ 'type' ];
var eValueSubtype = aAttributeProp[ 'subtype' ];

if( ! aInterpolator )
{
aInterpolator = aInterpolatorHandler.getInterpolator( eCalcMode,
eValueType,
eValueSubtype );
}

var bAccumulate = ( aAnimationNode.getAccumulate() === ACCUMULATE_MODE_SUM )
&& !( eValueType === BOOL_PROPERTY ||
eValueType === STRING_PROPERTY ||
eValueType === ENUM_PROPERTY );

if( aAnimationNode.getFormula() )
{
var sFormula =  aAnimationNode.getFormula();
var reMath = /abs|sqrt|asin|acos|atan|sin|cos|tan|exp|log|min|max/g;
sFormula = sFormula.replace(reMath, 'Math.$&');
sFormula = sFormula.replace(/pi(?!\w)/g, 'Math.PI');
sFormula = sFormula.replace(/e(?!\w)/g, 'Math.E');
sFormula = sFormula.replace(/\$/g, '__PARAM0__');

var aAnimatedElement = aAnimationNode.getAnimatedElement();
var aBBox = aAnimatedElement.getBaseBBox();
var width = aBBox.width / aActivityParamSet.nSlideWidth;
var height = aBBox.height / aActivityParamSet.nSlideHeight;
var x = ( aBBox.x + aBBox.width / 2 ) / aActivityParamSet.nSlideWidth;
var y = ( aBBox.y + aBBox.height / 2 ) / aActivityParamSet.nSlideHeight;

aActivityParamSet.aFormula = function( __PARAM0__ ) {

return eval(sFormula);
};
}

aActivityParamSet.aDiscreteTimes = aAnimationNode.getKeyTimes();

var aValueSet = aAnimationNode.getValues();
var nValueSetSize = aValueSet.length;

if( nValueSetSize != 0 )
{

if( aActivityParamSet.aDiscreteTimes.length == 0 )
{
for( var i = 0; i < nValueSetSize; ++i )
aActivityParamSet.aDiscreteTimes[i].push( i / nValueSetSize );
}

switch( eCalcMode )
{
case CALC_MODE_DISCRETE:
log( 'createActivity: discrete calculation case not yet implemented' );
break;

default:
log( 'createActivity: unexpected calculation mode: ' + eCalcMode );
case CALC_MODE_PACED :
case CALC_MODE_SPLINE :
case CALC_MODE_LINEAR:
return createValueListActivity( aActivityParamSet,
aAnimationNode,
aAnimation,
aInterpolator,
LinearValueListActivity,
bAccumulate,
eValueType );
}
}
else
{
switch( eCalcMode )
{
case CALC_MODE_DISCRETE:
log( 'createActivity: discrete calculation case not yet implemented' );
break;

default:
log( 'createActivity: unexpected calculation mode: ' + eCalcMode );
case CALC_MODE_PACED :
case CALC_MODE_SPLINE :
case CALC_MODE_LINEAR:
return createFromToByActivity(  aActivityParamSet,
aAnimationNode,
aAnimation,
aInterpolator,
LinearFromToByActivity,
bAccumulate,
eValueType );
}
}
}


function createValueListActivity( aActivityParamSet, aAnimationNode, aAnimation,
aInterpolator, ClassTemplateInstance, bAccumulate, eValueType )
{
var aAnimatedElement = aAnimationNode.getAnimatedElement();
var aOperatorSet = aOperatorSetMap[ eValueType ];
assert( aOperatorSet, 'createFromToByActivity: no operator set found' );

var aValueSet = aAnimationNode.getValues();

var aValueList = [];

extractAttributeValues( eValueType,
aValueList,
aValueSet,
aAnimatedElement.getBaseBBox(),
aActivityParamSet.nSlideWidth,
aActivityParamSet.nSlideHeight );

for( var i = 0; i < aValueList.length; ++i )
{
ANIMDBG.print( 'createValueListActivity: value[' + i + '] = ' + aValueList[i] );
}

return new ClassTemplateInstance( aValueList, aActivityParamSet, aAnimation,
aInterpolator, aOperatorSet, bAccumulate );
}


function createFromToByActivity( aActivityParamSet, aAnimationNode, aAnimation,
aInterpolator, ClassTemplateInstance, bAccumulate, eValueType )
{

var aAnimatedElement = aAnimationNode.getAnimatedElement();
var aOperatorSet = aOperatorSetMap[ eValueType ];
assert( aOperatorSet, 'createFromToByActivity: no operator set found' );

var aValueSet = [];
aValueSet[0] = aAnimationNode.getFromValue();
aValueSet[1] = aAnimationNode.getToValue();
aValueSet[2] = aAnimationNode.getByValue();

ANIMDBG.print( 'createFromToByActivity: value type: ' + aValueTypeOutMap[eValueType] +
', aFrom = ' + aValueSet[0] +
', aTo = ' + aValueSet[1] +
', aBy = ' + aValueSet[2] );

var aValueList = [];

extractAttributeValues( eValueType,
aValueList,
aValueSet,
aAnimatedElement.getBaseBBox(),
aActivityParamSet.nSlideWidth,
aActivityParamSet.nSlideHeight );

ANIMDBG.print( 'createFromToByActivity: ' +
', aFrom = ' + aValueList[0] +
', aTo = ' + aValueList[1] +
', aBy = ' + aValueList[2] );

return new ClassTemplateInstance( aValueList[0], aValueList[1], aValueList[2],
aActivityParamSet, aAnimation,
aInterpolator, aOperatorSet, bAccumulate );
}


function extractAttributeValues( eValueType, aValueList, aValueSet, aBBox, nSlideWidth, nSlideHeight )
{
var i;
switch( eValueType )
{
case NUMBER_PROPERTY :
evalValuesAttribute( aValueList, aValueSet, aBBox, nSlideWidth, nSlideHeight );
break;
case BOOL_PROPERTY :
for( i = 0; i < aValueSet.length; ++i )
{
var aValue = booleanParser( aValueSet[i] );
aValueList.push( aValue );
}
break;
case STRING_PROPERTY :
for( i = 0; i < aValueSet.length; ++i )
{
aValueList.push( aValueSet[i] );
}
break;
case ENUM_PROPERTY :
for( i = 0; i < aValueSet.length; ++i )
{
aValueList.push( aValueSet[i] );
}
break;
case COLOR_PROPERTY :
for( i = 0; i < aValueSet.length; ++i )
{
aValue = colorParser( aValueSet[i] );
aValueList.push( aValue );
}
break;
default:
log( 'createValueListActivity: unexpected value type: ' + eValueType );
}

}


function evalValuesAttribute( aValueList, aValueSet, aBBox, nSlideWidth, nSlideHeight )
{
var width = aBBox.width / nSlideWidth;
var height = aBBox.height / nSlideHeight;
var x = ( aBBox.x + aBBox.width / 2 ) / nSlideWidth;
var y = ( aBBox.y + aBBox.height / 2 ) / nSlideHeight;

var reMath = /abs|sqrt|asin|acos|atan|sin|cos|tan|exp|log|min|max/g;

for( var i = 0; i < aValueSet.length; ++i )
{
var sValue = aValueSet[i];
sValue = sValue.replace(reMath, 'Math.$&');
sValue = sValue.replace(/pi(?!\w)/g, 'Math.PI');
sValue = sValue.replace(/e(?!\w)/g, 'Math.E');
var aValue =  eval( sValue );
aValueList.push( aValue );
}
}


var BACKWARD    = 0;
var FORWARD     = 1;

var MAXIMUM_FRAME_COUNT                 = 60;
var MINIMUM_TIMEOUT                     = 1.0 / MAXIMUM_FRAME_COUNT;
var MAXIMUM_TIMEOUT                     = 4.0;
var MINIMUM_FRAMES_PER_SECONDS          = 10;
var PREFERRED_FRAMES_PER_SECONDS        = 50;
var PREFERRED_FRAME_RATE                = 1.0 / PREFERRED_FRAMES_PER_SECONDS;


function Effect( nId )
{
this.nId = ( typeof( nId ) === typeof( 1 ) ) ? nId : -1;
this.eState = Effect.NOT_STARTED;
}
Effect.NOT_STARTED = 0;
Effect.PLAYING = 1;
Effect.ENDED = 2;

Effect.prototype.getId = function()
{
return this.nId;
};

Effect.prototype.isMainEffect = function()
{
return ( this.nId === -1 );
};

Effect.prototype.isPlaying = function()
{
return ( this.eState === Effect.PLAYING );
};

Effect.prototype.isEnded = function()
{
return ( this.eState === Effect.ENDED );
};

Effect.prototype.start = function()
{
assert( this.eState === Effect.NOT_STARTED, 'Effect.start: wrong state.' );
this.eState = Effect.PLAYING;
};

Effect.prototype.end = function()
{
assert( this.eState === Effect.PLAYING, 'Effect.end: wrong state.' );
this.eState = Effect.ENDED;
};


function SlideShow()
{
this.aTimer = new ElapsedTime();
this.aFrameSynchronization = new FrameSynchronization( PREFERRED_FRAME_RATE );
this.aTimerEventQueue = new TimerEventQueue( this.aTimer );
this.aActivityQueue = new ActivityQueue( this.aTimer );
this.aNextEffectEventArray = null;
this.aInteractiveAnimationSequenceMap = null;
this.aEventMultiplexer = null;

this.aContext = new SlideShowContext( this.aTimerEventQueue,
this.aEventMultiplexer,
this.aNextEffectEventArray,
this.aInteractiveAnimationSequenceMap,
this.aActivityQueue );
this.bIsIdle = true;
this.bIsEnabled = true;
this.bNoSlideTransition = false;
this.bIsTransitionRunning = false;

this.nCurrentEffect = 0;
this.bIsNextEffectRunning = false;
this.bIsRewinding = false;
this.bIsSkipping = false;
this.bIsSkippingAll = false;
this.nTotalInteractivePlayingEffects = 0;
this.aStartedEffectList = [];
this.aStartedEffectIndexMap = {};
this.aStartedEffectIndexMap[ -1 ] = undefined;
}

SlideShow.prototype.setSlideEvents = function( aNextEffectEventArray,
aInteractiveAnimationSequenceMap,
aEventMultiplexer )
{
if( !aNextEffectEventArray )
log( 'SlideShow.setSlideEvents: aNextEffectEventArray is not valid' );

if( !aInteractiveAnimationSequenceMap )
log( 'SlideShow.setSlideEvents:aInteractiveAnimationSequenceMap  is not valid' );

if( !aEventMultiplexer )
log( 'SlideShow.setSlideEvents: aEventMultiplexer is not valid' );

this.aContext.aNextEffectEventArray = aNextEffectEventArray;
this.aNextEffectEventArray = aNextEffectEventArray;
this.aContext.aInteractiveAnimationSequenceMap = aInteractiveAnimationSequenceMap;
this.aInteractiveAnimationSequenceMap = aInteractiveAnimationSequenceMap;
this.aContext.aEventMultiplexer = aEventMultiplexer;
this.aEventMultiplexer = aEventMultiplexer;
this.nCurrentEffect = 0;
};

SlideShow.prototype.createSlideTransition = function( aSlideTransitionHandler, aLeavingSlide, aEnteringSlide, aTransitionEndEvent )
{
if( !aEnteringSlide )
{
log( 'SlideShow.createSlideTransition: entering slide element is not valid.' );
return null;
}

if( this.bNoSlideTransition ) return null;

var aAnimatedLeavingSlide = null;
if( aLeavingSlide )
aAnimatedLeavingSlide = new AnimatedSlide( aLeavingSlide );
var aAnimatedEnteringSlide = new AnimatedSlide( aEnteringSlide );

var aSlideTransition = aSlideTransitionHandler.createSlideTransition( aAnimatedLeavingSlide, aAnimatedEnteringSlide );
if( !aSlideTransition ) return null;

var nDuration = 0.001;
if( aSlideTransitionHandler.getDuration().isValue() )
{
nDuration = aSlideTransitionHandler.getDuration().getValue();
}
else
{
log( 'SlideShow.createSlideTransition: duration is not a number' );
}

var aCommonParameterSet = new ActivityParamSet();
aCommonParameterSet.aEndEvent = aTransitionEndEvent;
aCommonParameterSet.aTimerEventQueue = this.aTimerEventQueue;
aCommonParameterSet.aActivityQueue = this.aActivityQueue;
aCommonParameterSet.nMinDuration = nDuration;
aCommonParameterSet.nMinNumberOfFrames = aSlideTransitionHandler.getMinFrameCount();
aCommonParameterSet.nSlideWidth = WIDTH;
aCommonParameterSet.nSlideHeight = HEIGHT;

return new SimpleActivity( aCommonParameterSet, aSlideTransition, FORWARD );

};

SlideShow.prototype.isEnabled = function()
{
return this.bIsEnabled;
};

SlideShow.prototype.isRunning = function()
{
return !this.bIsIdle;
};

SlideShow.prototype.isTransitionPlaying = function()
{
return this.bIsTransitionRunning;
};

SlideShow.prototype.isMainEffectPlaying = function()
{
return this.bIsNextEffectRunning;
};

SlideShow.prototype.isInteractiveEffectPlaying = function()
{
return ( this.nTotalInteractivePlayingEffects > 0 );
};

SlideShow.prototype.isAnyEffectPlaying = function()
{
return ( this.isMainEffectPlaying() || this.isInteractiveEffectPlaying() );
};

SlideShow.prototype.hasAnyEffectStarted = function()
{
return ( this.aStartedEffectList.length > 0 );
};

SlideShow.prototype.notifyNextEffectStart = function()
{
assert( !this.bIsNextEffectRunning,
'SlideShow.notifyNextEffectStart: an effect is already started.' );
this.bIsNextEffectRunning = true;
this.aEventMultiplexer.registerNextEffectEndHandler( bind2( SlideShow.prototype.notifyNextEffectEnd, this ) );
var aEffect = new Effect();
aEffect.start();
this.aStartedEffectIndexMap[ -1 ] = this.aStartedEffectList.length;
this.aStartedEffectList.push( aEffect );


var aAnimatedElementMap = theMetaDoc.aMetaSlideSet[nCurSlide].aSlideAnimationsHandler.aAnimatedElementMap;
for( var sId in aAnimatedElementMap )
aAnimatedElementMap[ sId ].notifyNextEffectStart( this.nCurrentEffect );
};

SlideShow.prototype.notifyNextEffectEnd = function()
{
assert( this.bIsNextEffectRunning,
'SlideShow.notifyNextEffectEnd: effect already ended.' );
this.bIsNextEffectRunning = false;

this.aStartedEffectList[ this.aStartedEffectIndexMap[ -1 ] ].end();
};

SlideShow.prototype.notifySlideStart = function( nNewSlideIndex, nOldSlideIndex )
{
this.nCurrentEffect = 0;
this.bIsRewinding = false;
this.bIsSkipping = false;
this.bIsSkippingAll = false;
this.nTotalInteractivePlayingEffects = 0;
this.aStartedEffectList = [];
this.aStartedEffectIndexMap = {};
this.aStartedEffectIndexMap[ -1 ] = undefined;

var aAnimatedElementMap;
var sId;
if( nOldSlideIndex !== undefined )
{
aAnimatedElementMap = theMetaDoc.aMetaSlideSet[nOldSlideIndex].aSlideAnimationsHandler.aAnimatedElementMap;
for( sId in aAnimatedElementMap )
aAnimatedElementMap[ sId ].notifySlideEnd();
}

aAnimatedElementMap = theMetaDoc.aMetaSlideSet[nNewSlideIndex].aSlideAnimationsHandler.aAnimatedElementMap;
for( sId in aAnimatedElementMap )
aAnimatedElementMap[ sId ].notifySlideStart( this.aContext );
};

SlideShow.prototype.notifyTransitionEnd = function( nSlideIndex )
{
if( theMetaDoc.getCurrentSlide() )
{
var sRef = 'url(#' + aPresentationClipPathId + ')';
theMetaDoc.getCurrentSlide().slideElement.setAttribute('clip-path', sRef);
}

this.bIsTransitionRunning = false;
if( this.bIsRewinding )
{
theMetaDoc.aMetaSlideSet[nSlideIndex].hide();
var nIndex = nCurSlide !== undefined ? nCurSlide : -1;
this.displaySlide( nIndex, true );
this.skipAllEffects();
this.bIsRewinding = false;
return;
}

theMetaDoc.setCurrentSlide(nSlideIndex);

if( this.aSlideViewElement )
{
theMetaDoc.getCurrentSlide().aVisibilityStatusElement.parentNode.removeChild( this.aSlideViewElement );
this.aSlideViewElement = null;
}
if( this.isEnabled() )
{
this.dispose();

theMetaDoc.getCurrentSlide().aSlideAnimationsHandler.start();
this.update();
}
};

SlideShow.prototype.notifyInteractiveAnimationSequenceStart = function( nNodeId )
{
++this.nTotalInteractivePlayingEffects;
var aEffect = new Effect( nNodeId );
aEffect.start();
this.aStartedEffectIndexMap[ nNodeId ] = this.aStartedEffectList.length;
this.aStartedEffectList.push( aEffect );
};

SlideShow.prototype.notifyInteractiveAnimationSequenceEnd = function( nNodeId )
{
assert( this.isInteractiveEffectPlaying(),
'SlideShow.notifyInteractiveAnimationSequenceEnd: no interactive effect playing.' );

this.aStartedEffectList[ this.aStartedEffectIndexMap[ nNodeId ] ].end();
--this.nTotalInteractivePlayingEffects;
};

SlideShow.prototype.nextEffect = function()
{
if( !this.isEnabled() )
return false;

if( this.isTransitionPlaying() )
{
this.skipTransition();
return true;
}

if( this.isAnyEffectPlaying() )
{
this.skipAllPlayingEffects();
return true;
}

if( !this.aNextEffectEventArray )
return false;

if( this.nCurrentEffect >= this.aNextEffectEventArray.size() )
return false;

this.notifyNextEffectStart();

this.aNextEffectEventArray.at( this.nCurrentEffect ).fire();
++this.nCurrentEffect;
this.update();
return true;
};

SlideShow.prototype.skipTransition  = function()
{
if( this.bIsSkipping || this.bIsRewinding )
return;

this.bIsSkipping = true;

this.aActivityQueue.endAll();
this.aTimerEventQueue.forceEmpty();
this.aActivityQueue.endAll();
this.update();
this.bIsSkipping = false;
};

SlideShow.prototype.skipAllPlayingEffects  = function()
{
if( this.bIsSkipping || this.bIsRewinding )
return true;

this.bIsSkipping = true;
for( var i = 0; i < this.aStartedEffectList.length; ++i )
{
var aEffect = this.aStartedEffectList[i];
if( aEffect.isPlaying() )
{
if( aEffect.isMainEffect() )
this.aEventMultiplexer.notifySkipEffectEvent();
else
this.aEventMultiplexer.notifySkipInteractiveEffectEvent( aEffect.getId() );
}
}
this.update();
this.bIsSkipping = false;
return true;
};

SlideShow.prototype.skipNextEffect = function()
{
if( this.bIsSkipping || this.bIsRewinding )
return true;

assert( !this.isAnyEffectPlaying(),
'SlideShow.skipNextEffect' );

if( !this.aNextEffectEventArray )
return false;

if( this.nCurrentEffect >= this.aNextEffectEventArray.size() )
return false;

this.notifyNextEffectStart();

this.bIsSkipping = true;
this.aNextEffectEventArray.at( this.nCurrentEffect ).fire();
this.aEventMultiplexer.notifySkipEffectEvent();
++this.nCurrentEffect;
this.update();
this.bIsSkipping = false;
return true;
};

SlideShow.prototype.skipPlayingOrNextEffect = function()
{
if( this.isTransitionPlaying() )
{
this.skipTransition();
return true;
}

if( this.isAnyEffectPlaying() )
return this.skipAllPlayingEffects();
else
return this.skipNextEffect();
};


SlideShow.prototype.skipAllEffects = function()
{
if( this.bIsSkippingAll )
return true;

this.bIsSkippingAll = true;

if( this.isTransitionPlaying() )
{
this.skipTransition();
}

if( this.isAnyEffectPlaying() )
{
this.skipAllPlayingEffects();
}
else if( !this.aNextEffectEventArray
|| ( this.nCurrentEffect >= this.aNextEffectEventArray.size() ) )
{
this.bIsSkippingAll = false;
return false;
}

while( this.nCurrentEffect < this.aNextEffectEventArray.size() )
{
this.skipNextEffect();
}
this.bIsSkippingAll = false;
return true;
};

SlideShow.prototype.rewindTransition = function()
{
if( this.bIsSkipping || this.bIsRewinding )
return;

this.bIsRewinding = true;
this.aActivityQueue.endAll();
this.update();
this.bIsRewinding = false;
};

SlideShow.prototype.rewindEffect = function()
{
if( this.bIsSkipping || this.bIsRewinding )
return;

if( !this.hasAnyEffectStarted() )
{
this.rewindToPreviousSlide();
return;
}

this.bIsRewinding = true;

var nFirstPlayingEffectIndex = undefined;

var i = 0;
for( ; i < this.aStartedEffectList.length; ++i )
{
var aEffect = this.aStartedEffectList[i];
if( aEffect.isPlaying() )
{
nFirstPlayingEffectIndex = i;
break;
}
}

if( nFirstPlayingEffectIndex !== undefined )
{
i = this.aStartedEffectList.length - 1;
for( ; i >= nFirstPlayingEffectIndex; --i )
{
aEffect = this.aStartedEffectList[i];
if( aEffect.isPlaying() )
{
if( aEffect.isMainEffect() )
{
this.aEventMultiplexer.notifyRewindCurrentEffectEvent();
if( this.nCurrentEffect > 0 )
--this.nCurrentEffect;
}
else
{
this.aEventMultiplexer.notifyRewindRunningInteractiveEffectEvent( aEffect.getId() );
}
}
else if( aEffect.isEnded() )
{
if( aEffect.isMainEffect() )
{
this.aEventMultiplexer.notifyRewindLastEffectEvent();
if( this.nCurrentEffect > 0 )
--this.nCurrentEffect;
}
else
{
this.aEventMultiplexer.notifyRewindEndedInteractiveEffectEvent( aEffect.getId() );
}
}
}
this.update();

i = this.aStartedEffectList.length - 1;
for( ; i >= nFirstPlayingEffectIndex; --i )
{
aEffect = this.aStartedEffectList.pop();
if( !aEffect.isMainEffect() )
delete this.aStartedEffectIndexMap[ aEffect.getId() ];
}
}
else  // there is no playing effect
{
aEffect = this.aStartedEffectList.pop();
if( !aEffect.isMainEffect() )
delete this.aStartedEffectIndexMap[ aEffect.getId() ];
if( aEffect.isEnded() )  // Well that is almost an assertion.
{
if( aEffect.isMainEffect() )
{
this.aEventMultiplexer.notifyRewindLastEffectEvent();
if( this.nCurrentEffect > 0 )
--this.nCurrentEffect;
}
else
{
this.aEventMultiplexer.notifyRewindEndedInteractiveEffectEvent( aEffect.getId() );
}
}
this.update();
}

this.bIsRewinding = false;
};

SlideShow.prototype.rewindToPreviousSlide = function()
{
if( this.isTransitionPlaying() )
{
this.rewindTransition();
return;
}
if( this.isAnyEffectPlaying() )
return;
var nNewSlide = nCurSlide - 1;
this.displaySlide( nNewSlide, true );
this.skipAllEffects();
};

SlideShow.prototype.rewindAllEffects = function()
{
if( !this.hasAnyEffectStarted() )
{
this.rewindToPreviousSlide();
return;
}

while( this.hasAnyEffectStarted() )
{
this.rewindEffect();
}
};

SlideShow.prototype.displaySlide = function( nNewSlide, bSkipSlideTransition )
{
var aMetaDoc = theMetaDoc;
var nSlides = aMetaDoc.nNumberOfSlides;
if( nNewSlide < 0 && nSlides > 0 )
nNewSlide = nSlides - 1;
else if( nNewSlide >= nSlides )
nNewSlide = 0;

if( ( currentMode === INDEX_MODE ) && ( nNewSlide === nCurSlide ) )
{
aMetaDoc.getCurrentSlide().show();
return;
}

if( this.isTransitionPlaying() )
{
this.skipTransition();
}

var nOldSlide = nCurSlide;
if( nOldSlide !== undefined )
{
var oldMetaSlide = aMetaDoc.aMetaSlideSet[nOldSlide];
if( this.isEnabled() )
{
if( oldMetaSlide.aSlideAnimationsHandler.isAnimated() )
{
oldMetaSlide.aSlideAnimationsHandler.end( bSkipSlideTransition );

this.dispose();
}
}
}

this.notifySlideStart( nNewSlide, nOldSlide );

if( this.isEnabled() && !bSkipSlideTransition  )
{
if ( ( ( nOldSlide !== undefined ) &&
( ( nNewSlide > nOldSlide ) ||
( ( nNewSlide == 0) && ( nOldSlide == (aMetaDoc.nNumberOfSlides - 1) ) ) ) ) ||
(  ( nOldSlide === undefined ) &&  ( nNewSlide == 0) )  // for transition on first slide
)
{

var aOldMetaSlide = null;
if( nOldSlide === undefined ) // for transition on first slide
{
aOldMetaSlide = aMetaDoc.theMetaDummySlide;
}
else
{
aOldMetaSlide = aMetaDoc.aMetaSlideSet[nOldSlide];
}
var aNewMetaSlide = aMetaDoc.aMetaSlideSet[nNewSlide];

var aSlideTransitionHandler = aNewMetaSlide.aTransitionHandler;
if( aSlideTransitionHandler && aSlideTransitionHandler.isValid() )
{
var sRef = 'url(#' + aPresentationClipPathShrinkId + ')';
aOldMetaSlide.slideElement.setAttribute( 'clip-path', sRef );

if( nOldSlide > nNewSlide )
{
this.aSlideViewElement = document.createElementNS( NSS['svg'], 'use' );
setNSAttribute( 'xlink', this.aSlideViewElement, 'href', '#' + aOldMetaSlide.slideContainerId );
aNewMetaSlide.aVisibilityStatusElement.parentNode.insertBefore( this.aSlideViewElement, aNewMetaSlide.aVisibilityStatusElement );
aOldMetaSlide.hide();
}

var aLeavingSlide = aOldMetaSlide;
var aEnteringSlide = aNewMetaSlide;
var aTransitionEndEvent = makeEvent( bind2( this.notifyTransitionEnd, this, nNewSlide ) );

var aTransitionActivity =
this.createSlideTransition( aSlideTransitionHandler, aLeavingSlide,
aEnteringSlide, aTransitionEndEvent );

if( aTransitionActivity )
{
this.bIsTransitionRunning = true;
this.aActivityQueue.addActivity( aTransitionActivity );
this.update();
}
else
{
this.notifyTransitionEnd( nNewSlide );
}
}
else
{
this.notifyTransitionEnd( nNewSlide );
}
}
else
{
this.notifyTransitionEnd( nNewSlide );
}
}
else
{
this.notifyTransitionEnd( nNewSlide );
}

};

SlideShow.prototype.update = function()
{
this.aTimer.holdTimer();

this.aTimerEventQueue.process();
this.aActivityQueue.process();

this.aFrameSynchronization.synchronize();

this.aActivityQueue.processDequeued();

this.aTimer.releaseTimer();

var bActivitiesLeft = ( ! this.aActivityQueue.isEmpty() );
var bTimerEventsLeft = ( ! this.aTimerEventQueue.isEmpty() );
var bEventsLeft = ( bActivitiesLeft || bTimerEventsLeft );


if( bEventsLeft )
{
var nNextTimeout;
if( bActivitiesLeft )
{
nNextTimeout = MINIMUM_TIMEOUT;
this.aFrameSynchronization.activate();
}
else
{
nNextTimeout = this.aTimerEventQueue.nextTimeout();
if( nNextTimeout < MINIMUM_TIMEOUT )
nNextTimeout = MINIMUM_TIMEOUT;
else if( nNextTimeout > MAXIMUM_TIMEOUT )
nNextTimeout = MAXIMUM_TIMEOUT;
this.aFrameSynchronization.deactivate();
}

this.bIsIdle = false;
window.setTimeout( 'aSlideShow.update()', nNextTimeout * 1000 );
}
else
{
this.bIsIdle = true;
}
};

SlideShow.prototype.dispose = function()
{
this.aTimerEventQueue.clear();
this.aActivityQueue.clear();
this.aNextEffectEventArray = null;
this.aEventMultiplexer = null;
};

SlideShow.prototype.getContext = function()
{
return this.aContext;
};

var aSlideShow = null;


function SlideShowContext( aTimerEventQueue, aEventMultiplexer, aNextEffectEventArray, aInteractiveAnimationSequenceMap, aActivityQueue)
{
this.aTimerEventQueue = aTimerEventQueue;
this.aEventMultiplexer = aEventMultiplexer;
this.aNextEffectEventArray = aNextEffectEventArray;
this.aInteractiveAnimationSequenceMap = aInteractiveAnimationSequenceMap;
this.aActivityQueue = aActivityQueue;
this.bIsSkipping = false;
}


function FrameSynchronization( nFrameDuration )
{
this.nFrameDuration = nFrameDuration;
this.aTimer = new ElapsedTime();
this.nNextFrameTargetTime = 0.0;
this.bIsActive = false;

this.markCurrentFrame();
}


FrameSynchronization.prototype.markCurrentFrame = function()
{
this.nNextFrameTargetTime = this.aTimer.getElapsedTime() + this.nFrameDuration;
};

FrameSynchronization.prototype.synchronize = function()
{
if( this.bIsActive )
{
while( this.aTimer.getElapsedTime() < this.nNextFrameTargetTime )
;
}

this.markCurrentFrame();

};

FrameSynchronization.prototype.activate = function()
{
this.bIsActive = true;
};

FrameSynchronization.prototype.deactivate = function()
{
this.bIsActive = false;
};


function NextEffectEventArray()
{
this.aEventArray = [];
}


NextEffectEventArray.prototype.size = function()
{
return this.aEventArray.length;
};

NextEffectEventArray.prototype.at = function( nIndex )
{
return this.aEventArray[ nIndex ];
};

NextEffectEventArray.prototype.appendEvent = function( aEvent )
{
var nSize = this.size();
for( var i = 0; i < nSize; ++i )
{
if( this.aEventArray[i].getId() == aEvent.getId() )
{
aNextEffectEventArrayDebugPrinter.print( 'NextEffectEventArray.appendEvent: event(' + aEvent.getId() + ') already present' );
return false;
}
}
this.aEventArray.push( aEvent );
aNextEffectEventArrayDebugPrinter.print( 'NextEffectEventArray.appendEvent: event(' + aEvent.getId() + ') appended' );
return true;
};

NextEffectEventArray.prototype.clear = function( )
{
this.aEventArray = [];
};


function TimerEventQueue( aTimer )
{
this.aTimer = aTimer;
this.aEventSet = new PriorityQueue( EventEntry.compare );
}


TimerEventQueue.prototype.addEvent = function( aEvent )
{
this.DBG( 'TimerEventQueue.addEvent event(' + aEvent.getId() + ') appended.' );
if( !aEvent )
{
log( 'TimerEventQueue.addEvent: null event' );
return false;
}

var nTime = aEvent.getActivationTime( this.aTimer.getElapsedTime() );
var aEventEntry = new EventEntry( aEvent, nTime );
this.aEventSet.push( aEventEntry );

return true;
};

TimerEventQueue.prototype.forceEmpty = function()
{
this.process_(true);
};


TimerEventQueue.prototype.process = function()
{
this.process_(false);
};

TimerEventQueue.prototype.process_ = function( bFireAllEvents )
{
var nCurrentTime = this.aTimer.getElapsedTime();

while( !this.isEmpty() && ( bFireAllEvents || ( this.aEventSet.top().nActivationTime <= nCurrentTime ) ) )
{
var aEventEntry = this.aEventSet.top();
this.aEventSet.pop();

var aEvent = aEventEntry.aEvent;
if( aEvent.isCharged() )
aEvent.fire();
}
};

TimerEventQueue.prototype.isEmpty = function()
{
return this.aEventSet.isEmpty();
};

TimerEventQueue.prototype.nextTimeout = function()
{
var nTimeout = Number.MAX_VALUE;
var nCurrentTime = this.aTimer.getElapsedTime();
if( !this.isEmpty() )
nTimeout = this.aEventSet.top().nActivationTime - nCurrentTime;
return nTimeout;
};

TimerEventQueue.prototype.clear = function()
{
this.DBG( 'TimerEventQueue.clear invoked' );
this.aEventSet.clear();
};

TimerEventQueue.prototype.getTimer = function()
{
return this.aTimer;
};

TimerEventQueue.prototype.DBG = function( sMessage, nTime )
{
aTimerEventQueueDebugPrinter.print( sMessage, nTime );
};


TimerEventQueue.prototype.insert = function( aEventEntry )
{
var nHoleIndex = this.aEventSet.length;
var nParent = Math.floor( ( nHoleIndex - 1 ) / 2 );

while( ( nHoleIndex > 0 ) && this.aEventSet[ nParent ].compare( aEventEntry ) )
{
this.aEventSet[ nHoleIndex ] = this.aEventSet[ nParent ];
nHoleIndex = nParent;
nParent = Math.floor( ( nHoleIndex - 1 ) / 2 );
}
this.aEventSet[ nHoleIndex ] = aEventEntry;
};


function EventEntry( aEvent, nTime )
{
this.aEvent = aEvent;
this.nActivationTime = nTime;
}


EventEntry.compare = function( aLhsEventEntry, aRhsEventEntry )
{
if ( aLhsEventEntry.nActivationTime > aRhsEventEntry.nActivationTime )
{
return -1;
}
else if ( aLhsEventEntry.nActivationTime < aRhsEventEntry.nActivationTime )
{
return 1;
}
else
{
return 0;
}
};


function ActivityQueue( aTimer )
{
this.aTimer = aTimer;
this.aCurrentActivityWaitingSet = [];
this.aCurrentActivityReinsertSet = [];
this.aDequeuedActivitySet = [];
}


ActivityQueue.prototype.dispose = function()
{
var nSize = this.aCurrentActivityWaitingSet.length;
var i;
for( i = 0; i < nSize; ++i )
this.aCurrentActivityWaitingSet[i].dispose();

nSize = this.aCurrentActivityReinsertSet.length;
for( i = 0; i < nSize; ++i )
this.aCurrentActivityReinsertSet[i].dispose();
};

ActivityQueue.prototype.addActivity = function( aActivity )
{
if( !aActivity )
{
log( 'ActivityQueue.addActivity: activity is not valid' );
return false;
}

this.aCurrentActivityWaitingSet.push( aActivity );
aActivityQueueDebugPrinter.print( 'ActivityQueue.addActivity: activity appended' );
return true;
};

ActivityQueue.prototype.process = function()
{
var nSize = this.aCurrentActivityWaitingSet.length;
var nLag = 0.0;
for( var i = 0; i < nSize; ++i )
{
nLag = Math.max( nLag,this.aCurrentActivityWaitingSet[i].calcTimeLag()  );
}

if( nLag > 0.0 )
this.aTimer.adjustTimer( -nLag, true );


while( this.aCurrentActivityWaitingSet.length != 0 )
{
var aActivity = this.aCurrentActivityWaitingSet.shift();
var bReinsert = false;

bReinsert = aActivity.perform();

if( bReinsert )
{
this.aCurrentActivityReinsertSet.push( aActivity );
}
else
{
this.aDequeuedActivitySet.push( aActivity );
}
}

if( this.aCurrentActivityReinsertSet.length != 0 )
{
this.aCurrentActivityWaitingSet = this.aCurrentActivityReinsertSet;
this.aCurrentActivityReinsertSet = [];
}
};

ActivityQueue.prototype.processDequeued = function()
{
var nSize = this.aDequeuedActivitySet.length;
for( var i = 0; i < nSize; ++i )
this.aDequeuedActivitySet[i].dequeued();

this.aDequeuedActivitySet = [];
};

ActivityQueue.prototype.isEmpty = function()
{
return ( ( this.aCurrentActivityWaitingSet.length == 0 ) &&
( this.aCurrentActivityReinsertSet.length == 0 ) );
};

ActivityQueue.prototype.clear = function()
{
aActivityQueueDebugPrinter.print( 'ActivityQueue.clear invoked' );
var nSize = this.aCurrentActivityWaitingSet.length;
var i;
for( i = 0; i < nSize; ++i )
this.aCurrentActivityWaitingSet[i].dequeued();
this.aCurrentActivityWaitingSet = [];

nSize = this.aCurrentActivityReinsertSet.length;
for( i = 0; i < nSize; ++i )
this.aCurrentActivityReinsertSet[i].dequeued();
this.aCurrentActivityReinsertSet = [];
};

ActivityQueue.prototype.endAll = function()
{
aActivityQueueDebugPrinter.print( 'ActivityQueue.endAll invoked' );
var nSize = this.aCurrentActivityWaitingSet.length;
var i;
for( i = 0; i < nSize; ++i )
this.aCurrentActivityWaitingSet[i].end();
this.aCurrentActivityWaitingSet = [];

nSize = this.aCurrentActivityReinsertSet.length;
for( i = 0; i < nSize; ++i )
this.aCurrentActivityReinsertSet[i].end();
this.aCurrentActivityReinsertSet = [];
};

ActivityQueue.prototype.getTimer = function()
{
return this.aTimer;
};

ActivityQueue.prototype.size = function()
{
return ( this.aCurrentActivityWaitingSet.length +
this.aCurrentActivityReinsertSet.length +
this.aDequeuedActivitySet.length );
};


function ElapsedTime( aTimeBase )
{
this.aTimeBase = aTimeBase;
this.nLastQueriedTime = 0.0;
this.nStartTime = this.getSystemTime();
this.nFrozenTime = 0.0;
this.bInPauseMode = false;
this.bInHoldMode = false;
}


ElapsedTime.prototype.getTimeBase = function()
{
return this.aTimeBase;
};

ElapsedTime.prototype.reset = function()
{
this.nLastQueriedTime = 0.0;
this.nStartTime = this.getSystemTime();
this.nFrozenTime = 0.0;
this.bInPauseMode = false;
this.bInHoldMode = false;
};

ElapsedTime.prototype.getElapsedTime = function()
{
this.nLastQueriedTime = this.getElapsedTimeImpl();
return this.nLastQueriedTime;
};

ElapsedTime.prototype.pauseTimer = function()
{
this.nFrozenTime = this.getElapsedTimeImpl();
this.bInPauseMode = true;
};

ElapsedTime.prototype.continueTimer = function()
{
this.bInPauseMode = false;

var nPauseDuration = this.getElapsedTimeImpl() - this.nFrozenTime;

this.nStartTime += nPauseDuration;
};

ElapsedTime.prototype.adjustTimer = function( nOffset, bLimitToLastQueriedTime )
{
if( bLimitToLastQueriedTime == undefined )
bLimitToLastQueriedTime = true;

this.nStartTime -= nOffset;

if( this.bInHoldMode || this.bInPauseMode )
this.nFrozenTime += nOffset;
};

ElapsedTime.prototype.holdTimer = function()
{
this.nFrozenTime = this.getElapsedTimeImpl();
this.bInHoldMode = true;
};

ElapsedTime.prototype.releaseTimer = function()
{
this.bInHoldMode = false;
};

ElapsedTime.prototype.getSystemTime = function()
{
return ( getCurrentSystemTime() / 1000.0 );
};

ElapsedTime.prototype.getCurrentTime = function()
{
var nCurrentTime;
if ( !this.aTimeBase )
{
nCurrentTime = this.getSystemTime();
}
else
{
nCurrentTime = this.aTimeBase.getElapsedTimeImpl();
}

assert( ( typeof( nCurrentTime ) === typeof( 0 ) ) && isFinite( nCurrentTime ),
'ElapsedTime.getCurrentTime: assertion failed: nCurrentTime == ' + nCurrentTime );


return nCurrentTime;
};

ElapsedTime.prototype.getElapsedTimeImpl = function()
{
if( this.bInHoldMode || this.bInPauseMode )
{

return this.nFrozenTime;
}

var nCurTime = this.getCurrentTime();
return ( nCurTime - this.nStartTime );
};


/*****
* @libreofficeend
*
* Several parts of the above code are the result of the porting,
* started on August 2011, of the C++ code included in the source files
* placed under the folder '/slideshow/source' and subfolders.
* @source http://cgit.freedesktop.org/libreoffice/core/tree/slideshow/source
*
*/

]]>
 </script>
</svg>