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102 lines
4.5 KiB
JavaScript
102 lines
4.5 KiB
JavaScript
/*
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Copyright 2014 OpenMarket Ltd
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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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'use strict';
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angular.module('matrixPhoneService', [])
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.factory('matrixPhoneService', ['$rootScope', '$injector', 'matrixService', 'eventHandlerService', function MatrixPhoneService($rootScope, $injector, matrixService, eventHandlerService) {
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var matrixPhoneService = function() {
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};
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matrixPhoneService.INCOMING_CALL_EVENT = "INCOMING_CALL_EVENT";
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matrixPhoneService.REPLACED_CALL_EVENT = "REPLACED_CALL_EVENT";
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matrixPhoneService.allCalls = {};
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matrixPhoneService.callPlaced = function(call) {
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matrixPhoneService.allCalls[call.call_id] = call;
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};
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$rootScope.$on(eventHandlerService.CALL_EVENT, function(ngEvent, event, isLive) {
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if (!isLive) return; // until matrix supports expiring messages
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if (event.user_id == matrixService.config().user_id) return;
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var msg = event.content;
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if (event.type == 'm.call.invite') {
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var MatrixCall = $injector.get('MatrixCall');
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var call = new MatrixCall(event.room_id);
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call.call_id = msg.call_id;
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call.initWithInvite(msg);
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matrixPhoneService.allCalls[call.call_id] = call;
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// Were we trying to call that user (room)?
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var existingCall;
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var callIds = Object.keys(matrixPhoneService.allCalls);
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for (var i = 0; i < callIds.length; ++i) {
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var thisCallId = callIds[i];
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var thisCall = matrixPhoneService.allCalls[thisCallId];
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if (call.room_id == thisCall.room_id && thisCall.direction == 'outbound'
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&& (thisCall.state == 'wait_local_media' || thisCall.state == 'create_offer' || thisCall.state == 'invite_sent')) {
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existingCall = thisCall;
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break;
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}
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}
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if (existingCall) {
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// If we've only got to wait_local_media or create_offer and we've got an invite,
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// pick the incoming call because we know we haven't sent our invite yet
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// otherwise, pick whichever call has the lowest call ID (by string comparison)
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if (existingCall.state == 'wait_local_media' || existingCall.state == 'create_offer' || existingCall.call_id > call.call_id) {
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console.log("Glare detected: answering incoming call "+call.call_id+" and canceling outgoing call "+existingCall.call_id);
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existingCall.replacedBy(call);
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call.answer();
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$rootScope.$broadcast(matrixPhoneService.REPLACED_CALL_EVENT, existingCall, call);
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} else {
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console.log("Glare detected: rejecting incoming call "+call.call_id+" and keeping outgoing call "+existingCall.call_id);
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call.hangup();
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}
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} else {
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$rootScope.$broadcast(matrixPhoneService.INCOMING_CALL_EVENT, call);
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}
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} else if (event.type == 'm.call.answer') {
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var call = matrixPhoneService.allCalls[msg.call_id];
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if (!call) {
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console.log("Got answer for unknown call ID "+msg.call_id);
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return;
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}
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call.receivedAnswer(msg);
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} else if (event.type == 'm.call.candidates') {
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var call = matrixPhoneService.allCalls[msg.call_id];
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if (!call) {
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console.log("Got candidates for unknown call ID "+msg.call_id);
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return;
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}
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for (var i = 0; i < msg.candidates.length; ++i) {
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call.gotRemoteIceCandidate(msg.candidates[i]);
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}
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} else if (event.type == 'm.call.hangup') {
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var call = matrixPhoneService.allCalls[msg.call_id];
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if (!call) {
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console.log("Got hangup for unknown call ID "+msg.call_id);
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return;
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}
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call.onHangupReceived();
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delete(matrixPhoneService.allCalls[msg.call_id]);
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}
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});
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return matrixPhoneService;
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}]);
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