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/**
*
* @copyright Copyright (c) 2019, Daniel Calviño Sánchez (danxuliu@gmail.com)
*
* @license AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
import EmitterMixin from '../../EmitterMixin.js'
import store from '../../../store/index.js'
import { ConnectionState } from './CallParticipantModel.js'
/**
*
*/
export default function LocalCallParticipantModel() {
this._superEmitterMixin()
this.attributes = {
peerId: null,
peer: null,
screenPeer: null,
guestName: null,
peerNeeded: false,
connectionState: null,
}
this._handleForcedMuteBound = this._handleForcedMute.bind(this)
this._handleExtendedIceConnectionStateChangeBound = this._handleExtendedIceConnectionStateChange.bind(this)
}
LocalCallParticipantModel.prototype = {
get(key) {
return this.attributes[key]
},
set(key, value) {
if (this.attributes[key] === value) {
return
}
this.attributes[key] = value
this._trigger('change:' + key, [value])
},
setWebRtc(webRtc) {
if (this._webRtc) {
this._webRtc.off('forcedMute', this._handleForcedMuteBound)
this._unwatchDisplayNameChange()
}
this._webRtc = webRtc
this.set('peerId', this._webRtc.connection.getSessionId())
this.set('guestName', null)
this._webRtc.on('forcedMute', this._handleForcedMuteBound)
this._unwatchDisplayNameChange = store.watch(state => state.actorStore.displayName, this.setGuestName.bind(this))
},
setPeer(peer) {
if (peer && this.get('peerId') !== peer.id) {
console.warn('Mismatch between stored peer ID and ID of given peer: ', this.get('peerId'), peer.id)
}
if (this.get('peer')) {
this.get('peer').off('extendedIceConnectionStateChange', this._handleExtendedIceConnectionStateChangeBound)
}
this.set('peer', peer)
if (!this.get('peer')) {
this.set('connectionState', null)
return
}
// Reset state that depends on the Peer object.
if (this.get('peer').pc.connectionState === 'failed' && this.get('peer').pc.iceConnectionState === 'disconnected') {
// Work around Chromium bug where "iceConnectionState" gets stuck as
// "disconnected" even if the connection already failed.
this._handleExtendedIceConnectionStateChange(this.get('peer').pc.connectionState)
} else {
this._handleExtendedIceConnectionStateChange(this.get('peer').pc.iceConnectionState)
}
this.get('peer').on('extendedIceConnectionStateChange', this._handleExtendedIceConnectionStateChangeBound)
},
setScreenPeer(screenPeer) {
if (screenPeer && this.get('peerId') !== screenPeer.id) {
console.warn('Mismatch between stored peer ID and ID of given screen peer: ', this.get('peerId'), screenPeer.id)
}
this.set('screenPeer', screenPeer)
},
setGuestName(guestName) {
if (!this._webRtc) {
throw new Error('WebRtc not initialized yet')
}
this.set('guestName', guestName)
this._webRtc.webrtc.emit('nickChanged', guestName)
},
setPeerNeeded(peerNeeded) {
this.set('peerNeeded', peerNeeded)
},
_handleForcedMute() {
this._trigger('forcedMute')
},
_handleExtendedIceConnectionStateChange(extendedIceConnectionState) {
switch (extendedIceConnectionState) {
case 'new':
this.set('connectionState', ConnectionState.NEW)
break
case 'checking':
this.set('connectionState', ConnectionState.CHECKING)
break
case 'connected':
this.set('connectionState', ConnectionState.CONNECTED)
break
case 'completed':
this.set('connectionState', ConnectionState.COMPLETED)
break
case 'disconnected':
this.set('connectionState', ConnectionState.DISCONNECTED)
break
case 'disconnected-long':
this.set('connectionState', ConnectionState.DISCONNECTED_LONG)
break
case 'failed':
this.set('connectionState', ConnectionState.FAILED)
break
// 'failed-no-restart' is not emitted by own peer
case 'closed':
this.set('connectionState', ConnectionState.CLOSED)
break
default:
console.error('Unexpected (extended) ICE connection state: ', extendedIceConnectionState)
}
},
}
EmitterMixin.apply(LocalCallParticipantModel.prototype)
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