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(function() {
'use strict';
angular.module('foundation.mediaquery', ['foundation.core'])
.run(mqInitRun)
.factory('FoundationMQInit', FoundationMQInit)
.factory('mqHelpers', mqHelpers)
.service('FoundationMQ', FoundationMQ)
;
mqInitRun.$inject = ['FoundationMQInit'];
function mqInitRun(mqInit) {
mqInit.init();
}
FoundationMQInit.$inject = ['mqHelpers', 'FoundationApi', 'Utils'];
function FoundationMQInit(helpers, foundationApi, u){
var factory = {};
var namedQueries = {
'default' : 'only screen',
landscape : 'only screen and (orientation: landscape)',
portrait : 'only screen and (orientation: portrait)',
retina : 'only screen and (-webkit-min-device-pixel-ratio: 2),' +
'only screen and (min--moz-device-pixel-ratio: 2),' +
'only screen and (-o-min-device-pixel-ratio: 2/1),' +
'only screen and (min-device-pixel-ratio: 2),' +
'only screen and (min-resolution: 192dpi),' +
'only screen and (min-resolution: 2dppx)'
};
factory.init = init;
return factory;
function init() {
var mediaQueries;
var extractedMedia;
var mediaObject;
helpers.headerHelper(['foundation-mq']);
extractedMedia = helpers.getStyle('.foundation-mq', 'font-family');
mediaQueries = helpers.parseStyleToObject((extractedMedia));
for(var key in mediaQueries) {
mediaQueries[key] = 'only screen and (min-width: ' + mediaQueries[key].replace('rem', 'em') + ')';
}
foundationApi.modifySettings({
mediaQueries: angular.extend(mediaQueries, namedQueries)
});
window.addEventListener('resize', u.throttle(function() {
foundationApi.publish('resize', 'window resized');
}, 50));
}
}
function mqHelpers() {
var factory = {};
factory.headerHelper = headerHelper;
factory.getStyle = getStyle;
factory.parseStyleToObject = parseStyleToObject;
return factory;
function headerHelper(classArray) {
var i = classArray.length;
var head = angular.element(document.querySelectorAll('head'));
while(i--) {
head.append('<meta class="' + classArray[i] + '" />');
}
return;
}
function getStyle(selector, styleName) {
var elem = document.querySelectorAll(selector)[0];
var style = window.getComputedStyle(elem, null);
return style.getPropertyValue('font-family');
}
// https://github.com/sindresorhus/query-string
function parseStyleToObject(str) {
var styleObject = {};
if (typeof str !== 'string') {
return styleObject;
}
str = str.trim().slice(1, -1); // browsers re-quote string style values
if (!str) {
return styleObject;
}
styleObject = str.split('&').reduce(function(ret, param) {
var parts = param.replace(/\+/g, ' ').split('=');
var key = parts[0];
var val = parts[1];
key = decodeURIComponent(key);
// missing `=` should be `null`:
// http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters
val = val === undefined ? null : decodeURIComponent(val);
if (!ret.hasOwnProperty(key)) {
ret[key] = val;
} else if (Array.isArray(ret[key])) {
ret[key].push(val);
} else {
ret[key] = [ret[key], val];
}
return ret;
}, {});
return styleObject;
}
}
FoundationMQ.$inject = ['FoundationApi'];
function FoundationMQ(foundationApi) {
var service = [];
service.getMediaQueries = getMediaQueries;
service.match = match;
service.collectScenariosFromElement = collectScenariosFromElement;
return service;
function getMediaQueries() {
return foundationApi.getSettings().mediaQueries;
}
function match(scenarios) {
var count = scenarios.length;
var queries = service.getMediaQueries();
var matches = [];
if (count > 0) {
while (count--) {
var mq;
var rule = scenarios[count].media;
if (queries[rule]) {
mq = matchMedia(queries[rule]);
} else {
mq = matchMedia(rule);
}
if (mq.matches) {
matches.push({ ind: count});
}
}
}
return matches;
}
// Collects a scenario object and templates from element
function collectScenariosFromElement(parentElement) {
var scenarios = [];
var templates = [];
var elements = parentElement.children();
var i = 0;
angular.forEach(elements, function(el) {
var elem = angular.element(el);
//if no source or no html, capture element itself
if (!elem.attr('src') || !elem.attr('src').match(/.html$/)) {
templates[i] = elem;
scenarios[i] = { media: elem.attr('media'), templ: i };
} else {
scenarios[i] = { media: elem.attr('media'), src: elem.attr('src') };
}
i++;
});
return {
scenarios: scenarios,
templates: templates
};
}
}
})();
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