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Use event age to recognise which calls are current and which aren't and hence support answering calls that were placed before we loaded the page.

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This commit is contained in:
David Baker 2014-09-16 14:46:13 +01:00
parent c099b36af3
commit dd2b933a0d
4 changed files with 79 additions and 16 deletions
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62
webclient/components/matrix/matrix-phone-service.js
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@ -24,22 +24,52 @@ angular.module('matrixPhoneService', [])
matrixPhoneService.INCOMING_CALL_EVENT = "INCOMING_CALL_EVENT";
matrixPhoneService.REPLACED_CALL_EVENT = "REPLACED_CALL_EVENT";
matrixPhoneService.allCalls = {};
// a place to save candidates that come in for calls we haven't got invites for yet (when paginating backwards)
matrixPhoneService.candidatesByCall = {};
matrixPhoneService.callPlaced = function(call) {
matrixPhoneService.allCalls[call.call_id] = call;
};
$rootScope.$on(eventHandlerService.CALL_EVENT, function(ngEvent, event, isLive) {
if (!isLive) return; // until matrix supports expiring messages
if (event.user_id == matrixService.config().user_id) return;
var msg = event.content;
if (event.type == 'm.call.invite') {
if (event.age == undefined || msg.lifetime == undefined) {
// if the event doesn't have either an age (the HS is too old) or a lifetime
// (the sending client was too old when it sent it) then fall back to old behaviour
if (!isLive) return; // until matrix supports expiring messages
}
if (event.age > msg.lifetime) {
console.log("Ignoring expired call event of type "+event.type);
return;
}
var call = undefined;
if (!isLive) {
// if this event wasn't live then this call may already be over
call = matrixPhoneService.allCalls[msg.call_id];
if (call && call.state == 'ended') {
return;
}
}
var MatrixCall = $injector.get('MatrixCall');
var call = new MatrixCall(event.room_id);
call.call_id = msg.call_id;
call.initWithInvite(msg);
matrixPhoneService.allCalls[call.call_id] = call;
// if we stashed candidate events for that call ID, play them back now
if (!isLive && matrixPhoneService.candidatesByCall[call.call_id] != undefined) {
for (var i = 0; i < matrixPhoneService.candidatesByCall[call.call_id].length; ++i) {
call.gotRemoteIceCandidate(matrixPhoneService.candidatesByCall[call.call_id][i]);
}
}
// Were we trying to call that user (room)?
var existingCall;
var callIds = Object.keys(matrixPhoneService.allCalls);
@ -79,21 +109,35 @@ angular.module('matrixPhoneService', [])
call.receivedAnswer(msg);
} else if (event.type == 'm.call.candidates') {
var call = matrixPhoneService.allCalls[msg.call_id];
if (!call) {
if (!call && isLive) {
console.log("Got candidates for unknown call ID "+msg.call_id);
return;
}
for (var i = 0; i < msg.candidates.length; ++i) {
call.gotRemoteIceCandidate(msg.candidates[i]);
} else if (!call) {
if (matrixPhoneService.candidatesByCall[msg.call_id] == undefined) {
matrixPhoneService.candidatesByCall[msg.call_id] = [];
}
matrixPhoneService.candidatesByCall[msg.call_id] = matrixPhoneService.candidatesByCall[msg.call_id].concat(msg.candidates);
} else {
for (var i = 0; i < msg.candidates.length; ++i) {
call.gotRemoteIceCandidate(msg.candidates[i]);
}
}
} else if (event.type == 'm.call.hangup') {
var call = matrixPhoneService.allCalls[msg.call_id];
if (!call) {
if (!call && isLive) {
console.log("Got hangup for unknown call ID "+msg.call_id);
return;
} else if (!call) {
// if not live, store the fact that the call has ended because we're probably getting events backwards so
// the hangup will come before the invite
var MatrixCall = $injector.get('MatrixCall');
var call = new MatrixCall(event.room_id);
call.call_id = msg.call_id;
call.initWithHangup(msg);
matrixPhoneService.allCalls[msg.call_id] = call;
} else {
call.onHangupReceived();
delete(matrixPhoneService.allCalls[msg.call_id]);
}
call.onHangupReceived();
delete(matrixPhoneService.allCalls[msg.call_id]);
}
});