2015-09-17 20:23:38 +03:00
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/*
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2016-01-07 07:06:39 +03:00
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Copyright 2015, 2016 OpenMarket Ltd
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2015-09-17 20:23:38 +03:00
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* Manages a list of all the currently active calls.
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*
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* This handler dispatches when voip calls are added/updated/removed from this list:
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* {
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* action: 'call_state'
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* room_id: <room ID of the call>
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* }
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*
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* To know the state of the call, this handler exposes a getter to
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* obtain the call for a room:
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* var call = CallHandler.getCall(roomId)
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* var state = call.call_state; // ringing|ringback|connected|ended|busy|stop_ringback|stop_ringing
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*
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* This handler listens for and handles the following actions:
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* {
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* action: 'place_call',
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* type: 'voice|video',
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* room_id: <room that the place call button was pressed in>
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* }
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*
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* {
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* action: 'incoming_call'
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* call: MatrixCall
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* }
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*
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* {
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* action: 'hangup'
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* room_id: <room that the hangup button was pressed in>
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* }
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*
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* {
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* action: 'answer'
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* room_id: <room that the answer button was pressed in>
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* }
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*/
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2017-06-12 22:15:14 +03:00
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import MatrixClientPeg from './MatrixClientPeg';
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import UserSettingsStore from './UserSettingsStore';
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import PlatformPeg from './PlatformPeg';
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import Modal from './Modal';
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import sdk from './index';
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2017-05-25 13:39:08 +03:00
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import { _t } from './languageHandler';
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2017-06-12 22:15:14 +03:00
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import Matrix from 'matrix-js-sdk';
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import dis from './dispatcher';
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2015-09-17 20:23:38 +03:00
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2015-09-30 20:21:25 +03:00
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global.mxCalls = {
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2015-09-17 20:23:38 +03:00
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//room_id: MatrixCall
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};
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2015-09-30 20:21:25 +03:00
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var calls = global.mxCalls;
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2015-11-30 21:11:04 +03:00
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var ConferenceHandler = null;
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2015-09-17 20:23:38 +03:00
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2016-08-31 18:38:37 +03:00
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var audioPromises = {};
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2015-09-17 20:23:38 +03:00
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function play(audioId) {
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// TODO: Attach an invisible element for this instead
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// which listens?
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var audio = document.getElementById(audioId);
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if (audio) {
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2016-08-31 18:38:37 +03:00
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if (audioPromises[audioId]) {
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audioPromises[audioId] = audioPromises[audioId].then(()=>{
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audio.load();
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2016-08-31 19:25:41 +03:00
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return audio.play();
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2016-08-31 18:38:37 +03:00
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});
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}
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else {
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audioPromises[audioId] = audio.play();
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}
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2015-09-17 20:23:38 +03:00
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}
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}
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function pause(audioId) {
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// TODO: Attach an invisible element for this instead
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// which listens?
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var audio = document.getElementById(audioId);
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if (audio) {
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2016-08-31 18:38:37 +03:00
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if (audioPromises[audioId]) {
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audioPromises[audioId] = audioPromises[audioId].then(()=>audio.pause());
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}
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else {
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// pause doesn't actually return a promise, but might as well do this for symmetry with play();
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audioPromises[audioId] = audio.pause();
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}
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2015-09-17 20:23:38 +03:00
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}
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}
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function _setCallListeners(call) {
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call.on("error", function(err) {
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2017-02-22 19:12:37 +03:00
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console.error("Call error: %s", err);
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console.error(err.stack);
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call.hangup();
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_setCallState(undefined, call.roomId, "ended");
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});
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call.on('send_event_error', function(err) {
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2017-02-21 20:22:22 +03:00
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if (err.name === "UnknownDeviceError") {
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dis.dispatch({
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action: 'unknown_device_error',
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err: err,
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room: MatrixClientPeg.get().getRoom(call.roomId),
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});
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}
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2015-09-17 20:23:38 +03:00
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});
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call.on("hangup", function() {
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_setCallState(undefined, call.roomId, "ended");
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});
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// map web rtc states to dummy UI state
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// ringing|ringback|connected|ended|busy|stop_ringback|stop_ringing
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call.on("state", function(newState, oldState) {
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if (newState === "ringing") {
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_setCallState(call, call.roomId, "ringing");
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pause("ringbackAudio");
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}
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else if (newState === "invite_sent") {
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_setCallState(call, call.roomId, "ringback");
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play("ringbackAudio");
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}
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else if (newState === "ended" && oldState === "connected") {
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2015-09-30 18:50:46 +03:00
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_setCallState(undefined, call.roomId, "ended");
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2015-09-17 20:23:38 +03:00
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pause("ringbackAudio");
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play("callendAudio");
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}
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else if (newState === "ended" && oldState === "invite_sent" &&
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(call.hangupParty === "remote" ||
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(call.hangupParty === "local" && call.hangupReason === "invite_timeout")
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)) {
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_setCallState(call, call.roomId, "busy");
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pause("ringbackAudio");
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play("busyAudio");
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2015-11-30 17:11:04 +03:00
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var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'Call Timeout', ErrorDialog, {
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2017-05-23 17:16:31 +03:00
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title: _t('Call Timeout'),
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description: _t('The remote side failed to pick up') + '.',
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2015-09-17 20:23:38 +03:00
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});
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}
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else if (oldState === "invite_sent") {
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_setCallState(call, call.roomId, "stop_ringback");
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pause("ringbackAudio");
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}
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else if (oldState === "ringing") {
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_setCallState(call, call.roomId, "stop_ringing");
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pause("ringbackAudio");
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}
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else if (newState === "connected") {
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_setCallState(call, call.roomId, "connected");
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pause("ringbackAudio");
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}
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});
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}
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function _setCallState(call, roomId, status) {
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console.log(
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2015-12-17 05:49:09 +03:00
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"Call state in %s changed to %s (%s)", roomId, status, (call ? call.call_state : "-")
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2015-09-17 20:23:38 +03:00
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);
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calls[roomId] = call;
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2015-12-17 05:49:09 +03:00
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if (status === "ringing") {
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2017-01-20 17:22:27 +03:00
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play("ringAudio");
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2015-12-17 05:49:09 +03:00
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}
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else if (call && call.call_state === "ringing") {
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2017-01-20 17:22:27 +03:00
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pause("ringAudio");
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2015-12-17 05:49:09 +03:00
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}
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2015-09-17 20:23:38 +03:00
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if (call) {
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call.call_state = status;
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}
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dis.dispatch({
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action: 'call_state',
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2017-05-22 20:33:14 +03:00
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room_id: roomId,
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state: status,
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2015-09-17 20:23:38 +03:00
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});
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}
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2015-09-30 20:21:25 +03:00
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function _onAction(payload) {
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2015-09-30 18:50:46 +03:00
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function placeCall(newCall) {
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_setCallListeners(newCall);
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_setCallState(newCall, newCall.roomId, "ringback");
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if (payload.type === 'voice') {
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newCall.placeVoiceCall();
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}
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else if (payload.type === 'video') {
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2015-10-21 03:21:21 +03:00
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newCall.placeVideoCall(
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payload.remote_element,
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payload.local_element
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);
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}
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else if (payload.type === 'screensharing') {
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2017-01-10 21:37:57 +03:00
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const screenCapErrorString = PlatformPeg.get().screenCaptureErrorString();
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if (screenCapErrorString) {
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_setCallState(undefined, newCall.roomId, "ended");
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console.log("Can't capture screen: " + screenCapErrorString);
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2017-01-11 13:06:48 +03:00
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'Unable to capture screen', ErrorDialog, {
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2017-05-23 17:16:31 +03:00
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title: _t('Unable to capture screen'),
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description: screenCapErrorString,
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2017-01-11 13:06:48 +03:00
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});
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2017-01-10 21:37:57 +03:00
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return;
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}
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2015-10-20 18:45:26 +03:00
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newCall.placeScreenSharingCall(
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2015-09-30 18:50:46 +03:00
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payload.remote_element,
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payload.local_element
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);
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}
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else {
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console.error("Unknown conf call type: %s", payload.type);
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}
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}
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2015-09-17 20:23:38 +03:00
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switch (payload.action) {
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case 'place_call':
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2015-09-30 18:50:46 +03:00
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if (module.exports.getAnyActiveCall()) {
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2016-08-02 16:04:20 +03:00
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'Existing Call', ErrorDialog, {
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2017-05-23 17:16:31 +03:00
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title: _t('Existing Call'),
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2017-06-01 17:18:06 +03:00
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description: _t('You are already in a call.'),
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2015-09-30 18:50:46 +03:00
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});
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2015-09-17 20:23:38 +03:00
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return; // don't allow >1 call to be placed.
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}
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2015-11-02 20:39:00 +03:00
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// if the runtime env doesn't do VoIP, whine.
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if (!MatrixClientPeg.get().supportsVoip()) {
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2016-08-02 16:04:20 +03:00
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'VoIP is unsupported', ErrorDialog, {
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2017-05-23 17:16:31 +03:00
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title: _t('VoIP is unsupported'),
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2017-06-01 17:18:06 +03:00
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description: _t('You cannot place VoIP calls in this browser.'),
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2015-11-02 20:39:00 +03:00
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});
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return;
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}
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2015-09-17 20:23:38 +03:00
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var room = MatrixClientPeg.get().getRoom(payload.room_id);
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if (!room) {
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console.error("Room %s does not exist.", payload.room_id);
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return;
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}
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2015-09-30 18:50:46 +03:00
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2015-09-17 20:23:38 +03:00
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var members = room.getJoinedMembers();
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2015-09-30 18:50:46 +03:00
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if (members.length <= 1) {
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2016-08-02 16:04:20 +03:00
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'Cannot place call with self', ErrorDialog, {
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2017-06-01 17:18:06 +03:00
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description: _t('You cannot place a call with yourself.'),
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2015-09-17 20:23:38 +03:00
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});
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return;
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}
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2015-09-30 18:50:46 +03:00
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else if (members.length === 2) {
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console.log("Place %s call in %s", payload.type, payload.room_id);
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2017-06-12 22:15:14 +03:00
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const call = Matrix.createNewMatrixCall(MatrixClientPeg.get(), payload.room_id, {
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forceTURN: UserSettingsStore.getLocalSetting('webRtcForceTURN', false),
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});
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2015-09-30 18:50:46 +03:00
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placeCall(call);
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}
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else { // > 2
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dis.dispatch({
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action: "place_conference_call",
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room_id: payload.room_id,
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type: payload.type,
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remote_element: payload.remote_element,
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local_element: payload.local_element
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});
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2015-09-17 20:23:38 +03:00
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}
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2015-09-30 18:50:46 +03:00
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break;
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case 'place_conference_call':
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console.log("Place conference call in %s", payload.room_id);
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2015-11-30 21:11:04 +03:00
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if (!ConferenceHandler) {
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2016-08-02 16:04:20 +03:00
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'Conference call unsupported client', ErrorDialog, {
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2017-05-23 17:16:31 +03:00
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description: _t('Conference calls are not supported in this client'),
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2015-09-30 18:50:46 +03:00
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});
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2015-11-02 20:39:00 +03:00
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}
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else if (!MatrixClientPeg.get().supportsVoip()) {
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2016-08-02 16:04:20 +03:00
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'VoIP is unsupported', ErrorDialog, {
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2017-05-23 17:16:31 +03:00
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title: _t('VoIP is unsupported'),
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2017-06-01 17:18:06 +03:00
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description: _t('You cannot place VoIP calls in this browser.'),
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2015-11-02 20:39:00 +03:00
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});
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}
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2016-11-11 18:45:29 +03:00
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else if (MatrixClientPeg.get().isRoomEncrypted(payload.room_id)) {
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// Conference calls are implemented by sending the media to central
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// server which combines the audio from all the participants together
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// into a single stream. This is incompatible with end-to-end encryption
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// because a central server would be decrypting the audio for each
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// participant.
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// Therefore we disable conference calling in E2E rooms.
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'Conference calls unsupported e2e', ErrorDialog, {
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2017-05-23 17:16:31 +03:00
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description: _t('Conference calls are not supported in encrypted rooms'),
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2016-11-11 18:45:29 +03:00
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});
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}
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2015-11-02 20:39:00 +03:00
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else {
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2016-08-03 21:56:04 +03:00
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var QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
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2017-07-27 19:19:18 +03:00
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Modal.createTrackedDialog('Call Handler', 'Conference calling in development', QuestionDialog, {
|
2017-05-25 20:20:48 +03:00
|
|
|
title: _t('Warning!'),
|
2017-06-01 17:18:06 +03:00
|
|
|
description: _t('Conference calling is in development and may not be reliable.'),
|
2016-08-03 21:56:04 +03:00
|
|
|
onFinished: confirm=>{
|
|
|
|
if (confirm) {
|
|
|
|
ConferenceHandler.createNewMatrixCall(
|
|
|
|
MatrixClientPeg.get(), payload.room_id
|
|
|
|
).done(function(call) {
|
|
|
|
placeCall(call);
|
|
|
|
}, function(err) {
|
2016-09-05 19:03:10 +03:00
|
|
|
const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
|
2017-03-13 01:59:41 +03:00
|
|
|
console.error("Conference call failed: " + err);
|
2017-07-27 19:19:18 +03:00
|
|
|
Modal.createTrackedDialog('Call Handler', 'Failed to set up conference call', ErrorDialog, {
|
2017-05-23 17:16:31 +03:00
|
|
|
title: _t('Failed to set up conference call'),
|
2017-06-01 17:18:06 +03:00
|
|
|
description: _t('Conference call failed.') + ' ' + ((err && err.message) ? err.message : ''),
|
2016-08-03 21:56:04 +03:00
|
|
|
});
|
|
|
|
});
|
|
|
|
}
|
|
|
|
},
|
2015-09-30 18:50:46 +03:00
|
|
|
});
|
2015-09-17 20:23:38 +03:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'incoming_call':
|
2015-09-30 18:50:46 +03:00
|
|
|
if (module.exports.getAnyActiveCall()) {
|
2016-08-15 18:17:35 +03:00
|
|
|
// ignore multiple incoming calls. in future, we may want a line-1/line-2 setup.
|
|
|
|
// we avoid rejecting with "busy" in case the user wants to answer it on a different device.
|
|
|
|
// in future we could signal a "local busy" as a warning to the caller.
|
|
|
|
// see https://github.com/vector-im/vector-web/issues/1964
|
|
|
|
return;
|
2015-09-17 20:23:38 +03:00
|
|
|
}
|
2015-11-02 20:39:00 +03:00
|
|
|
|
|
|
|
// if the runtime env doesn't do VoIP, stop here.
|
|
|
|
if (!MatrixClientPeg.get().supportsVoip()) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2015-09-17 20:23:38 +03:00
|
|
|
var call = payload.call;
|
|
|
|
_setCallListeners(call);
|
|
|
|
_setCallState(call, call.roomId, "ringing");
|
|
|
|
break;
|
|
|
|
case 'hangup':
|
|
|
|
if (!calls[payload.room_id]) {
|
|
|
|
return; // no call to hangup
|
|
|
|
}
|
|
|
|
calls[payload.room_id].hangup();
|
|
|
|
_setCallState(null, payload.room_id, "ended");
|
|
|
|
break;
|
|
|
|
case 'answer':
|
|
|
|
if (!calls[payload.room_id]) {
|
|
|
|
return; // no call to answer
|
|
|
|
}
|
|
|
|
calls[payload.room_id].answer();
|
|
|
|
_setCallState(calls[payload.room_id], payload.room_id, "connected");
|
|
|
|
dis.dispatch({
|
|
|
|
action: "view_room",
|
|
|
|
room_id: payload.room_id
|
|
|
|
});
|
|
|
|
break;
|
|
|
|
}
|
2015-09-30 20:21:25 +03:00
|
|
|
}
|
|
|
|
// FIXME: Nasty way of making sure we only register
|
|
|
|
// with the dispatcher once
|
|
|
|
if (!global.mxCallHandler) {
|
|
|
|
dis.register(_onAction);
|
|
|
|
}
|
2015-09-30 18:50:46 +03:00
|
|
|
|
2015-09-30 20:21:25 +03:00
|
|
|
var callHandler = {
|
2015-09-30 18:50:46 +03:00
|
|
|
getCallForRoom: function(roomId) {
|
2015-10-01 11:42:58 +03:00
|
|
|
var call = module.exports.getCall(roomId);
|
|
|
|
if (call) return call;
|
|
|
|
|
2015-11-30 21:11:04 +03:00
|
|
|
if (ConferenceHandler) {
|
2015-10-01 11:42:58 +03:00
|
|
|
call = ConferenceHandler.getConferenceCallForRoom(roomId);
|
|
|
|
}
|
|
|
|
if (call) return call;
|
|
|
|
|
|
|
|
return null;
|
2015-09-30 18:50:46 +03:00
|
|
|
},
|
|
|
|
|
2015-09-17 20:23:38 +03:00
|
|
|
getCall: function(roomId) {
|
|
|
|
return calls[roomId] || null;
|
2015-09-30 18:50:46 +03:00
|
|
|
},
|
|
|
|
|
|
|
|
getAnyActiveCall: function() {
|
|
|
|
var roomsWithCalls = Object.keys(calls);
|
|
|
|
for (var i = 0; i < roomsWithCalls.length; i++) {
|
|
|
|
if (calls[roomsWithCalls[i]] &&
|
|
|
|
calls[roomsWithCalls[i]].call_state !== "ended") {
|
|
|
|
return calls[roomsWithCalls[i]];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return null;
|
2015-11-30 21:11:04 +03:00
|
|
|
},
|
|
|
|
|
|
|
|
setConferenceHandler: function(confHandler) {
|
|
|
|
ConferenceHandler = confHandler;
|
2016-03-05 05:30:18 +03:00
|
|
|
},
|
|
|
|
|
|
|
|
getConferenceHandler: function() {
|
|
|
|
return ConferenceHandler;
|
2015-09-17 20:23:38 +03:00
|
|
|
}
|
|
|
|
};
|
2015-09-30 20:21:25 +03:00
|
|
|
// Only things in here which actually need to be global are the
|
|
|
|
// calls list (done separately) and making sure we only register
|
|
|
|
// with the dispatcher once (which uses this mechanism but checks
|
|
|
|
// separately). This could be tidied up.
|
|
|
|
if (global.mxCallHandler === undefined) {
|
|
|
|
global.mxCallHandler = callHandler;
|
|
|
|
}
|
|
|
|
|
|
|
|
module.exports = global.mxCallHandler;
|