Switch to using libqtappfw

Pull in the libqtappfw library to use its radio binding support, in
order to have playback state in the UI reflect the binding state (e.g.
handle the radio binding tuning being changed via steering wheel
events).

Bug-AGL: SPEC-3041

Change-Id: I707c4875da1d1f54a948e5b6af7cc1d45ea9d583
Signed-off-by: Scott Murray <scott.murray@konsulko.com>

5 files changed, 68 insertions, 238 deletions

diff --git a/app/Radio.qml b/app/Radio.qml
index 894b9a3..3477ef6 100644
--- a/app/Radio.qml
+++ b/app/Radio.qml
@@ -19,7 +19,6 @@ import QtQuick 2.6
 import QtQuick.Layouts 1.1
 import QtQuick.Controls 2.0
 import AGL.Demo.Controls 1.0
-import 'api' as API
 
 ApplicationWindow {
     id: root
@@ -27,16 +26,13 @@ ApplicationWindow {
     width: container.width * container.scale
     height: container.height * container.scale
 
-    API.Binding {
-        id: radio
+    property string title
 
-        property string title
-
-        onBandChanged: frequency = minimumFrequency
-        onStationFound: title = stationId
-        onFrequencyChanged: {
-            title = ''
-            slider.value = frequency
+    function freq2str(freq) {
+        if (freq > 5000000) {
+            return '%1 MHz'.arg((freq / 1000000).toFixed(1))
+        } else {
+            return '%1 kHz'.arg((freq / 1000).toFixed(0))
         }
     }
 
@@ -88,7 +84,7 @@ ApplicationWindow {
 //                                onImage: './images/FM_Icons_AM.svg'
 //                                onCheckedChanged: {
 //                                    radio.band = checked ? radio.amBand : radio.fmBand
-//                                    radio.frequency = radio.minimumFrequency
+//                                    radio.frequency = radio.minFrequency
 //                                }
 //                            }
                         }
@@ -97,14 +93,14 @@ ApplicationWindow {
                             Label {
                                 id: label
                                 Layout.alignment: Layout.Center
-                                text: radio.freq2str(radio.frequency)
+                                text: freq2str(radio.frequency)
                                 horizontalAlignment: Label.AlignHCenter
                                 verticalAlignment: Label.AlignVCenter
                             }
                             Label {
                                 id: artist
                                 Layout.alignment: Layout.Center
-                                text: radio.title
+                                text: root.title
                                 horizontalAlignment: Label.AlignHCenter
                                 verticalAlignment: Label.AlignVCenter
                                 font.pixelSize: label.font.pixelSize * 0.6
@@ -114,22 +110,26 @@ ApplicationWindow {
                     Slider {
                         id: slider
                         Layout.fillWidth: true
-                        from: radio.minimumFrequency
-                        to: radio.maximumFrequency
+                        from: radio.minFrequency
+                        to: radio.maxFrequency
                         stepSize: radio.frequencyStep
                         snapMode: Slider.SnapOnRelease
-                        onValueChanged: radio.frequency = value
+                        value: radio.frequency
+                        onPressedChanged: {
+                            radio.frequency = value
+                            root.title = ''
+                        }
                         Label {
                             anchors.left: parent.left
                             anchors.bottom: parent.top
                             font.pixelSize: 32
-                            text: radio.freq2str(radio.minimumFrequency)
+                            text: freq2str(radio.minFrequency)
                         }
                         Label {
                             anchors.right: parent.right
                             anchors.bottom: parent.top
                             font.pixelSize: 32
-                            text: radio.freq2str(radio.maximumFrequency)
+                            text: freq2str(radio.maxFrequency)
                         }
                     }
                     RowLayout {
@@ -146,7 +146,12 @@ ApplicationWindow {
                                 triggeredOnStart: true
                                 interval: 100
                                 repeat: true
-                                onTriggered: radio.tuneDown()
+                                onTriggered: {
+                                    if(radio.frequency > radio.minFrequency) {
+                                        radio.frequency -= radio.frequencyStep
+                                        root.title = ''
+                                    }
+                                }
                             }
                         }
 
@@ -157,7 +162,12 @@ ApplicationWindow {
                                 triggeredOnStart: true
                                 interval: 100
                                 repeat: true
-                                onTriggered: radio.tuneUp()
+                                onTriggered: {
+                                    if(radio.frequency < radio.maxFrequency) {
+                                        radio.frequency += radio.frequencyStep
+                                        root.title = ''
+                                    }
+                                }
                             }
                         }
 
@@ -166,10 +176,12 @@ ApplicationWindow {
                         ImageButton {
                             id: play
                             offImage: './images/AGL_MediaPlayer_Player_Play.svg'
-                            onClicked: radio.start()
+                            onClicked: {
+                                radio.start()
+                            }
                             states: [
                                 State {
-                                    when: radio.state === radio.activeState
+                                    when: radio.playing
                                     PropertyChanges {
                                         target: play
                                         offImage: './images/AGL_MediaPlayer_Player_Pause.svg'
@@ -182,32 +194,44 @@ ApplicationWindow {
                         Item { Layout.fillWidth: true }
 
                         Label {
-                            //Layout.fillWidth: true
+                            id: scanLabel
                             text: 'SCAN'
+                            color: radio.scanning ? '#59FF7F' : '#FFFFFF'
                         }
 
                         ImageButton {
+                            id: scanBackwardBtn
                             offImage: './images/AGL_MediaPlayer_BackArrow.svg'
-                            Timer {
-                                running: parent.pressed
-                                triggeredOnStart: true
-                                interval: 100
-                                repeat: true
-                                onTriggered: radio.scanDown()
-                            }
+                            states: [
+                                State {
+                                    when: radio.playing
+                                    PropertyChanges {
+                                        target: scanBackwardBtn
+                                        onClicked: {
+                                            radio.scanBackward()
+                                            root.title = ''
+                                        }
+                                    }
+                                }
+                            ]
                         }
 
                         ImageButton {
+                            id: scanForwardBtn
                             offImage: './images/AGL_MediaPlayer_ForwardArrow.svg'
-                            Timer {
-                                running: parent.pressed
-                                triggeredOnStart: true
-                                interval: 100
-                                repeat: true
-                                onTriggered: radio.scanUp()
-                            }
+                            states: [
+                                State {
+                                    when: radio.playing
+                                    PropertyChanges {
+                                        target: scanForwardBtn
+                                        onClicked: {
+                                            radio.scanForward()
+                                            root.title = ''
+                                        }
+                                    }
+                                }
+                            ]
                         }
-
                     }
                 }
             }
@@ -231,7 +255,7 @@ ApplicationWindow {
                     onClicked: {
                         radio.band = model.modelData.band
                         radio.frequency = model.modelData.frequency
-                        radio.title = model.modelData.title
+                        root.title = model.modelData.title
                     }
 
                     RowLayout {
@@ -247,7 +271,7 @@ ApplicationWindow {
                             }
                             Label {
                                 Layout.fillWidth: true
-                                text: radio.freq2str(model.frequency)
+                                text: freq2str(model.frequency)
                                 color: '#59FF7F'
                                 font.pixelSize: 32
                             }
diff --git a/app/api/Binding.qml b/app/api/Binding.qml
deleted file mode 100644
index 3b43510..0000000
--- a/app/api/Binding.qml
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * Copyright (C) 2016 The Qt Company Ltd.
- * Copyright (C) 2017 Konsulko Group
- *
- * Licensed 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
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import QtQuick 2.6
-import QtWebSockets 1.0
-
-WebSocket {
-    id: root
-    active: true
-    url: bindingAddress
-
-    property string apiString: "radio"
-    property var verbs: []
-    property string payloadLength: "9999"
-
-    readonly property var msgid: {
-         "call": 2,
-         "retok": 3,
-         "reterr": 4,
-         "event": 5
-    }
-
-    readonly property int amBand: 0
-    readonly property int fmBand: 1
-
-    readonly property int stoppedState: 0
-    readonly property int activeState: 1
-
-    property int band: fmBand
-    property int frequency
-    property int frequencyStep
-    property int minimumFrequency
-    property int maximumFrequency
-    property int state: stoppedState
-    property int scanningState: stoppedState
-    property bool scanningFreqUpdate: false
-    property string stationId: ""
-
-    signal stationFound
-
-    property Connections c : Connections {
-        target: root
-
-        onFrequencyChanged: {
-            if(scanningState != activeState) {
-                // Not scanning, push update
-                sendSocketMessage("frequency", { value: frequency })
-            } else if(!scanningFreqUpdate) {
-                // External change, stop scanning
-                sendSocketMessage("scan_stop", 'None')
-                scanningState = stoppedState
-                sendSocketMessage("frequency", { value: frequency })
-            } else {
-                // This update was from scanning, clear state
-                scanningFreqUpdate = false
-            }
-        }
-
-        onBandChanged: {
-            sendSocketMessage("band", { value: band })
-            updateFrequencyRange(band)
-            updateFrequencyStep(band)
-            frequency = minimumFrequency
-        }
-    }
-
-    onTextMessageReceived: {
-        var json = JSON.parse(message)
-        //console.debug("Raw response: " + message)
-        var request = json[2].request
-        var response = json[2].response
-
-        switch (json[0]) {
-        case msgid.call:
-            break
-        case msgid.retok:
-            var verb = verbs.shift()
-            if (verb == "frequency_range") {
-                minimumFrequency = response.min
-                maximumFrequency = response.max
-            } else if (verb == "frequency_step") {
-                frequencyStep = response.step
-            }
-            break
-        case msgid.event:
-            var event = JSON.parse(JSON.stringify(json[2]))
-            if (event.event === "radio/frequency") {
-                if(scanningState == activeState) {
-                    scanningFreqUpdate = true
-                    frequency = event.data.value
-                }
-            } else if (event.event === "radio/station_found") {
-                if(scanningState == activeState) {
-                    scanningState = stoppedState
-                    stationId = freq2str(event.data.value)
-                    root.stationFound()
-                }
-            }
-            break
-        case msg.reterr:
-            console.debug("Bad return value, binding probably not installed")
-            break
-        case MessageId.event:
-            break
-        }
-    }
-
-    onStatusChanged: {
-        switch (status) {
-        case WebSocket.Open:
-            // Initialize band values now that we're connected to the
-            // binding
-            updateFrequencyRange(band)
-            updateFrequencyStep(band)
-            frequency = minimumFrequency
-            sendSocketMessage("subscribe", { value: "frequency" })
-            sendSocketMessage("subscribe", { value: "station_found" })
-            break
-        case WebSocket.Error:
-            console.debug("WebSocket error: " + root.errorString)
-            break
-        }
-    }
-
-    function freq2str(freq) {
-        if (freq > 5000000) {
-            return '%1 MHz'.arg((freq / 1000000).toFixed(1))
-        } else {
-            return '%1 kHz'.arg((freq / 1000).toFixed(0))
-        }
-    }
-
-    function sendSocketMessage(verb, parameter) {
-        var requestJson = [ msgid.call, payloadLength, apiString + '/'
-                           + verb, parameter ]
-        //console.debug("sendSocketMessage: " + JSON.stringify(requestJson))
-        verbs.push(verb)
-        sendTextMessage(JSON.stringify(requestJson))
-    }
-
-    function start() {
-        sendSocketMessage("start", 'None')
-        state = activeState
-    }
-
-    function stop() {
-        sendSocketMessage("stop", 'None')
-        state = stoppedState
-    }
-
-    function tuneUp() {
-        frequency += frequencyStep
-	if(frequency > maximumFrequency) {
-            frequency = minimumFrequency
-        }
-    }
-
-    function tuneDown() {
-        frequency -= frequencyStep
-	if(frequency < minimumFrequency) {
-            frequency = maximumFrequency
-        }
-    }
-
-    function scanUp() {
-        scanningState = activeState
-        sendSocketMessage("scan_start", { direction: "forward" })
-    }
-
-    function scanDown() {
-        scanningState = activeState
-        sendSocketMessage("scan_start", { direction: "backward" })
-    }
-
-    function updateFrequencyRange(band) {
-        sendSocketMessage("frequency_range", { band: band })
-    }
-
-    function updateFrequencyStep(band) {
-        sendSocketMessage("frequency_step", { band: band })
-    }
-}
diff --git a/app/app.pro b/app/app.pro
index d1e8274..c6e5c5a 100644
--- a/app/app.pro
+++ b/app/app.pro
@@ -5,7 +5,7 @@ HEADERS = PresetDataObject.h
 SOURCES = main.cpp PresetDataObject.cpp
 
 CONFIG += link_pkgconfig
-PKGCONFIG += libhomescreen qlibwindowmanager
+PKGCONFIG += libhomescreen qlibwindowmanager qtappfw
 
 RESOURCES += \
     radio.qrc \
diff --git a/app/main.cpp b/app/main.cpp
index 319e1e7..7cc7a10 100644
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -29,6 +29,7 @@
 #include <stdlib.h>
 #include <fcntl.h>
 #include <sys/stat.h>
+#include <radio.h>
 #include "PresetDataObject.h"
 
 #define APP_DATA_PRESETS_PATH	"/app-data/radio/presets.conf"
@@ -131,6 +132,8 @@ int main(int argc, char *argv[])
             qwm->activateWindow(graphic_role);
         });
 
+        context->setContextProperty("radio", new Radio(bindingAddress, context));
+
         engine.load(QUrl(QStringLiteral("qrc:/Radio.qml")));
         QObject *root = engine.rootObjects().first();
         QQuickWindow *window = qobject_cast<QQuickWindow *>(root);
diff --git a/app/radio.qrc b/app/radio.qrc
index 38ce4f8..347894c 100644
--- a/app/radio.qrc
+++ b/app/radio.qrc
@@ -1,6 +1,5 @@
 <RCC>
     <qresource prefix="/">
         <file>Radio.qml</file>
-        <file>api/Binding.qml</file>
     </qresource>
 </RCC>