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;(function()
{
var HardwareManager = function()
{
this.initialized = false;
this._currentDeviceList = [];
this.updating = false;
Object.defineProperty(this, "cameraList", {get: this._getDeviceMap.bind(this, "videoinput")});
Object.defineProperty(this, "microphoneList", {get: function(){return this._getDeviceMap("audioinput")}});
Object.defineProperty(this, "audioOutputList", {get: function(){return this._getDeviceMap("audiooutput")}});
Object.defineProperty(this, "defaultMicrophone", {
get: function() {
var microphoneId = localStorage ? localStorage.getItem('bx-im-settings-default-microphone') : '';
return this.microphoneList[microphoneId] ? microphoneId : '';
}
});
Object.defineProperty(this, "defaultCamera", {
get: function() {
var cameraId = localStorage ? localStorage.getItem('bx-im-settings-default-camera') : '';
return this.cameraList[cameraId] ? cameraId : '';
}
});
Object.defineProperty(this, "defaultSpeaker", {
get: function() {
var speakerId = localStorage ? localStorage.getItem('bx-im-settings-default-speaker') : '';
return this.audioOutputList[speakerId] ? speakerId : '';
}
});
Object.defineProperty(this,"enableMicAutoParameters", {
get: function() {
return localStorage ? (localStorage.getItem('bx-im-settings-enable-mic-auto-parameters') !== 'N') : true;
}
});
Object.defineProperty(this, "preferHdQuality", {
get: function() {
return localStorage ? (localStorage.getItem('bx-im-settings-camera-prefer-hd') !== 'N') : true;
}
});
};
HardwareManager.prototype = {
init: function()
{
return new Promise(function(resolve, reject)
{
if(this.initialized)
{
return resolve();
}
this.enumerateDevices().then(function(deviceList)
{
this._currentDeviceList = deviceList;
navigator.mediaDevices.addEventListener('devicechange', BX.debounce(this.onNavigatorDeviceChanged.bind(this), 500));
this.initialized = true;
resolve();
}.bind(this)).catch(reject);
}.bind(this))
},
enumerateDevices: function()
{
return new Promise(function(resolve, reject)
{
if(!navigator.mediaDevices || !navigator.mediaDevices.enumerateDevices)
{
return reject("NO_WEBRTC");
}
navigator.mediaDevices.enumerateDevices().then(function(devices)
{
resolve(devices);
}.bind(this))
}.bind(this));
},
hasCamera: function()
{
if(!this.initialized)
{
throw new Error("HardwareManager is not initialized yet");
}
return Object.keys(this.cameraList).length > 0;
},
getMicrophoneList: function()
{
if(!this.initialized)
{
throw new Error("HardwareManager is not initialized yet");
}
return Object.values(this._currentDeviceList).filter(function(deviceInfo) {
return deviceInfo.kind == "audioinput";
});
},
getCameraList: function()
{
if(!this.initialized)
{
throw new Error("HardwareManager is not initialized yet");
}
return Object.values(this._currentDeviceList).filter(function(deviceInfo) {
return deviceInfo.kind == "videoinput";
});
},
getSpeakerList: function()
{
if(!this.initialized)
{
throw new Error("HardwareManager is not initialized yet");
}
return Object.values(this._currentDeviceList).filter(function(deviceInfo) {
return deviceInfo.kind == "audiooutput";
});
},
canSelectSpeaker: function()
{
return Object.keys(this.audioOutputList).length > 0 && 'setSinkId' in HTMLMediaElement.prototype;
},
updateDeviceList: function(e)
{
if(this.updating)
{
return;
}
this.updating = true;
var removedDevices = this._currentDeviceList;
var addedDevices = [];
navigator.mediaDevices.enumerateDevices().then(function(devices)
{
devices.forEach(function(deviceInfo)
{
var index = removedDevices.findIndex(function(dev){
return dev.kind == deviceInfo.kind && dev.deviceId == deviceInfo.deviceId;
});
if (index != -1)
{
// device found in previous version
removedDevices.splice(index, 1);
}
else
{
addedDevices.push(deviceInfo);
}
}, this);
BX.onCustomEvent(this, "HardwareManager::deviceChange", {
added: addedDevices,
removed: removedDevices
});
this._currentDeviceList = devices;
this.updating = false;
}.bind(this))
},
onNavigatorDeviceChanged: function(e)
{
if (!this.initialized)
{
return;
}
this.updateDeviceList();
},
_getDeviceMap: function(deviceKind)
{
var result = {};
if(!this.initialized)
{
throw new Error("HardwareManager is not initialized yet");
}
for (var i = 0; i < this._currentDeviceList.length; i++)
{
if(this._currentDeviceList[i].kind == deviceKind)
{
result[this._currentDeviceList[i].deviceId] = this._currentDeviceList[i].label;
}
}
return result;
}
};
BX.Call.Hardware = new HardwareManager();
})();