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<title>Code coverage report for src/core/stream/Remote.js</title>
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<h1>
<a href="../../../index.html">all files</a> / <a href="index.html">src/core/stream/</a> Remote.js
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import cache from '../util/cache';
import * as DataSync from '../util/DataSync';
import * as Log from '../util/Log';
import * as Events from '../../definitions/Events';
/**
* A published Stream
* @public
*/
export default class Remote {
/**
* @access protected
* @param {object} values
*/
constructor(values) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.d('Remote~new', values);</span>
/**
* The uid of the room the stream is published in
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.roomId = values.roomId;</span>
/**
* The uid of this stream
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.uid = values.uid;</span>
/**
* The uid of the publisher of the stream
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.from = values.from;</span>
/**
* The type of the stream
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.type = values.type;</span>
/**
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.device = values.device;</span>
/**
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.height = values.height;</span>
/**
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.width = values.width;</span>
/**
* The local DOM container element where the {@link Local~media} is displayed
* @type {Element}
*/
<span class="cstat-no" title="statement not covered" > this.container = cache.config.remoteStreamContainer;</span>
/**
* @type {{audio: boolean, video: boolean}}
*/
<span class="cstat-no" title="statement not covered" > this.muted = Object.assign({audio: false, video: false}, values.muted);</span>
/**
* List of callbacks for mute status change
* @type {{MUTE: function[]}}
* @private
*/
<span class="cstat-no" title="statement not covered" > this._callbacks = {};</span>
/**
* PeerConnections associated to this remote stream
* @type {PeerConnection}
*/
<span class="cstat-no" title="statement not covered" > this.peerConnection = null;</span>
}
/**
* DOM element where the MediaStream is displayed
* @returns {Element}
*/
get node() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this.peerConnection ? this.peerConnection.node : null;</span>
}
/**
* Subscribe to the stream
* @param {Element} [remoteStreamContainer] The element the stream is attached to. Can be null if already specified in ReachConfig.
* @returns {Promise}
*/
subscribe(remoteStreamContainer) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(!cache.user) {</span>
<span class="cstat-no" title="statement not covered" > return Promise.reject(new Error('Only an authenticated user can subscribe to a Room\'s stream.'));</span>
}
// TODO: Test if not already subscribed ?
<span class="cstat-no" title="statement not covered" > this.container = remoteStreamContainer || cache.config.remoteStreamContainer;</span>
<span class="cstat-no" title="statement not covered" > Log.d('Remote~subscribe', this.container);</span>
<span class="cstat-no" title="statement not covered" > return cache.peerConnections.answer(this, this.container)</span>
.then(pc => <span class="fstat-no" title="function not covered" >{<span class="cstat-no" title="statement not covered" >this.peerConnection = pc;}</span>)</span>
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.update(`_/rooms/${this.roomId}/subscribers/${this.uid}/${cache.device}`, {</span></span>
to: cache.user.uid,
_created: DataSync.ts()
}))
.then(() => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > DataSync.onDisconnect(`_/rooms/${this.roomId}/subscribers/${this.uid}/${cache.device}`).remove();</span>
let subscribed = <span class="cstat-no" title="statement not covered" >false;</span>
<span class="cstat-no" title="statement not covered" > DataSync.on(`_/rooms/${this.roomId}/streams/${this.uid}`, 'value', snapData => <span class="fstat-no" title="function not covered" >{</span></span>
const values = <span class="cstat-no" title="statement not covered" >snapData.val();</span>
<span class="cstat-no" title="statement not covered" > Log.d('Remote~updated', values);</span>
<span class="cstat-no" title="statement not covered" > if(values) {</span>
// Update type
<span class="cstat-no" title="statement not covered" > this.type = values.type;</span>
//update stream size
const height = <span class="cstat-no" title="statement not covered" >values.height;</span>
const width = <span class="cstat-no" title="statement not covered" >values.width;</span>
<span class="cstat-no" title="statement not covered" > if((height || width) && (height !== this.height || width !== this.height)) {</span>
<span class="cstat-no" title="statement not covered" > this.height = values.height;</span>
<span class="cstat-no" title="statement not covered" > this.width = values.width;</span>
<span class="cstat-no" title="statement not covered" > Log.w(this._callbacks[Events.stream.SIZE]);</span>
<span class="cstat-no" title="statement not covered" > (this._callbacks[Events.stream.SIZE] || []).forEach(cb => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >cb(this.height, this.width))</span></span>;</span>
}
// Update mute status
const muted = <span class="cstat-no" title="statement not covered" >values.muted;</span>
<span class="cstat-no" title="statement not covered" > if(muted && (muted.audio !== this.muted.audio || muted.video !== this.muted.video)) {</span>
<span class="cstat-no" title="statement not covered" > this.muted = muted;</span>
<span class="cstat-no" title="statement not covered" > Log.w(this._callbacks[Events.stream.MUTE]);</span>
<span class="cstat-no" title="statement not covered" > (this._callbacks[Events.stream.MUTE] || []).forEach(cb => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >cb(this.muted))</span></span>;</span>
}
<span class="cstat-no" title="statement not covered" > subscribed = true;</span>
} else <span class="cstat-no" title="statement not covered" >if(subscribed) {</span>
<span class="cstat-no" title="statement not covered" > Log.i('Remote#removed', this);</span>
<span class="cstat-no" title="statement not covered" > this._close(true);</span>
}
});
})
.catch(Log.r('Remote~subscribe'));
}
/**
* Unsubscribe from the stream
* @returns {Promise}
*/
unSubscribe() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this._close(false);</span>
}
/**
* Close the remote Stream
* @param {boolean} remote Close is initiated by publisher
* @returns {*}
* @private
*/
_close(remote) <span class="fstat-no" title="function not covered" >{</span>
// Cancel onDisconnect
<span class="cstat-no" title="statement not covered" > DataSync.onDisconnect(`_/rooms/${this.roomId}/subscribers/${this.uid}/${cache.device}`).cancel();</span>
// Stop listening to stream modifications
<span class="cstat-no" title="statement not covered" > DataSync.off(`_/rooms/${this.roomId}/streams/${this.uid}`, 'value');</span>
// Un-subscribe
<span class="cstat-no" title="statement not covered" > !remote && DataSync.remove(`_/rooms/${this.roomId}/subscribers/${this.uid}/${cache.device}`);</span>
// Close PeerConnection
<span class="cstat-no" title="statement not covered" > return Promise.resolve(cache.peerConnections.close(this.uid, this.device));</span>
}
/**
* Register a callback for a specific event
* @param {string} event The event name ({@link Events/Stream})
* @param {function} callback The callback for the event
*/
on(event, callback) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(Events.stream.supports(event)) {</span>
<span class="cstat-no" title="statement not covered" > if(!this._callbacks[event]) {</span>
<span class="cstat-no" title="statement not covered" > this._callbacks[event] = [];</span>
}
<span class="cstat-no" title="statement not covered" > this._callbacks[event].push(callback);</span>
}
}
/**
* Register a callback for a specific event
* @param {string} [event] The event name ({@link Events/Stream})
* @param {function} [callback] The callback for the event
*/
off(event, callback) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(!event) {</span>
<span class="cstat-no" title="statement not covered" > this._callbacks = {};</span>
} else <span class="cstat-no" title="statement not covered" >if(Events.stream.supports(event)) {</span>
<span class="cstat-no" title="statement not covered" > if(!callback) {</span>
<span class="cstat-no" title="statement not covered" > this._callbacks[event] = [];</span>
} else {
<span class="cstat-no" title="statement not covered" > this._callbacks[event] = this._callbacks[event].filter(cb => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >cb !== callback)</span></span>;</span>
}
}
}
/**
* @access protected
* @param {object} values
*/
update(values) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Object.keys(values).forEach(key => <span class="fstat-no" title="function not covered" >{<span class="cstat-no" title="statement not covered" >this[key] = values[key];}</span>)</span>;</span>
}
}
</pre></td></tr>
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