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// Sugarizer audio stuff
// Basic HTML 5 Audio Element encapsulation
enyo.kind({
name: "HTML5.Audio",
kind: enyo.Control,
tag: "audio",
published: {
src: "", crossorigin: "", preload: "auto",
mediagroup: "", loop: false, muted: "", controlsbar: false
},
events: {
onSoundEnded: "",
onSoundTimeupdate: ""
},
// Constructor
create: function() {
this.inherited(arguments);
this.isCordova = (enyo.platform.android || enyo.platform.androidChrome || enyo.platform.ios) && document.location.protocol.substr(0,4) != "http";
this.startPlay = false;
this.srcChanged();
this.crossoriginChanged();
this.preloadChanged();
this.loopChanged();
this.mutedChanged();
this.controlsbarChanged();
this.handleVolumeButtons();
},
// Handle volume buttons on Android
handleVolumeButtons: function() {
if (this.isCordova && !enyo.platform.iOS) {
// HACK: Need only on Android because Cordova intercept volume buttons
var emptyf = function() {};
document.addEventListener("volumeupbutton", function() {
cordova.plugins.VolumeControl.getVolume(function(value) {
var volume = parseInt(value);
if (volume < 100) {
cordova.plugins.VolumeControl.setVolume((volume+10), emptyf, emptyf);
}
}, emptyf);
}, false);
document.addEventListener("volumedownbutton", function() {
cordova.plugins.VolumeControl.getVolume(function(value) {
var volume = parseInt(value);
if (volume > 0) {
cordova.plugins.VolumeControl.setVolume((volume-1), emptyf, emptyf);
}
}, emptyf);
}, false);
}
},
// Render
rendered: function() {
this.inherited(arguments);
// Handle init
if (this.hasNode()) {
// Handle sound ended event
var audio = this;
enyo.dispatcher.listen(audio.hasNode(), "ended", function() {
audio.doSoundEnded();
});
enyo.dispatcher.listen(audio.hasNode(), "timeupdate", function(s) {
audio.doSoundTimeupdate({timeStamp: s.timeStamp});
});
}
},
// Property changed
srcChanged: function() {
this.setAttribute("src", this.src);
},
crossoriginChanged: function() {
this.setAttribute("crossorigin", this.crossorigin);
},
preloadChanged: function() {
this.setAttribute("preload", this.preload);
},
loopChanged: function() {
this.setAttribute("loop", this.loop);
},
mutedChanged: function() {
if (this.muted.length != 0)
this.setAttribute("muted", this.muted);
},
controlsbarChanged: function() {
this.setAttribute("controls", this.controlsbar);
},
// Test if component could play a file type
canPlayType: function(typename) {
var node = this.hasNode();
if (!node)
return false;
return node.canPlayType(typename);
},
// Play audio
play: function() {
// HACK: HTML5 Audio don't work in PhoneGap on Android and iOS, use Media PhoneGap component instead
if (this.isCordova) {
// Compute full path
var src = location.pathname.substring(0,1+location.pathname.lastIndexOf('/'))+this.src;
var that = this;
if (this.media) {
this.media.src = "";
this.media.pause();
this.media.release();
}
// Create the Media object
this.media = new Media(src, function() { }, function() { },
function(status) {
if (status == 4 && this.src != "") {
that.doSoundEnded();
}
}
);
// Play
this.media.play();
return;
}
var node = this.hasNode();
if (!node)
return;
this.started = false;
var promise = node.play();
if (promise) {
var that = this;
promise.then(function() {
that.started = true;
}).catch(function() {});
} else {
this.started = true;
}
},
// Pause audio
pause: function() {
// HACK: HTML5 Audio don't work in PhoneGap on Android and iOS, use Media PhoneGap component instead
if (this.isCordova) {
if (!this.media)
return;
this.media.src = "";
this.media.pause();
this.media.release();
return;
}
var node = this.hasNode();
if (!node)
return;
if (this.started) {
node.pause();
}
},
// Test if audio is paused
paused: function() {
var node = this.hasNode();
if (!node)
return false;
return node.paused;
},
// Test if audio is ended
ended: function() {
var node = this.hasNode();
if (!node)
return false;
return node.ended;
}
});
// TankOp Audio engine
enyo.kind({
name: "Sugar.Audio",
kind: enyo.Control,
components: [
{ name: "sound", kind: "HTML5.Audio", preload: "auto", autobuffer: true, controlsbar: false,
onSoundEnded: "broadcastEnd", onSoundTimeupdate: "broadcastUpdate" }
],
// Constructor
create: function() {
this.inherited(arguments);
this.format = null;
},
// First render, test sound format supported
rendered: function() {
this.inherited(arguments);
if (this.$.sound.canPlayType("audio/ogg"))
this.format = ".ogg";
else if (this.$.sound.canPlayType("audio/mpeg"))
this.format = ".mp3";
},
// Play a sound
play: function(sound, loop) {
if (this.format == null)
return;
this.$.sound.setSrc(sound+this.format);
this.$.sound.setLoop(loop === true);
this.timeStamp = new Date().getTime();
this.render();
this.$.sound.play();
},
// Pause
pause: function() {
if (this.format == null)
return;
this.$.sound.pause();
},
// End of sound detected, broadcast the signal
broadcastEnd: function() {
enyo.Signals.send("onEndOfSound", {sound: this.$.sound.src.substring(0,this.$.sound.src.length-4)});
},
broadcastUpdate: function(s, e) {
enyo.Signals.send("onSoundTimeupdate", {timestamp: e.timeStamp-this.timeStamp});
}
});