fune/browser/components/loop/content/shared/js/conversationStore.js

616 lines
20 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
/* global loop:true */
var loop = loop || {};
loop.store = loop.store || {};
(function() {
var sharedActions = loop.shared.actions;
var CALL_TYPES = loop.shared.utils.CALL_TYPES;
var REST_ERRNOS = loop.shared.utils.REST_ERRNOS;
var FAILURE_DETAILS = loop.shared.utils.FAILURE_DETAILS;
/**
* Websocket states taken from:
* https://docs.services.mozilla.com/loop/apis.html#call-progress-state-change-progress
*/
var WS_STATES = loop.store.WS_STATES = {
// The call is starting, and the remote party is not yet being alerted.
INIT: "init",
// The called party is being alerted.
ALERTING: "alerting",
// The call is no longer being set up and has been aborted for some reason.
TERMINATED: "terminated",
// The called party has indicated that he has answered the call,
// but the media is not yet confirmed.
CONNECTING: "connecting",
// One of the two parties has indicated successful media set up,
// but the other has not yet.
HALF_CONNECTED: "half-connected",
// Both endpoints have reported successfully establishing media.
CONNECTED: "connected"
};
var CALL_STATES = loop.store.CALL_STATES = {
// The initial state of the view.
INIT: "cs-init",
// The store is gathering the call data from the server.
GATHER: "cs-gather",
// The initial data has been gathered, the websocket is connecting, or has
// connected, and waiting for the other side to connect to the server.
CONNECTING: "cs-connecting",
// The websocket has received information that we're now alerting
// the peer.
ALERTING: "cs-alerting",
// The call is ongoing.
ONGOING: "cs-ongoing",
// The call ended successfully.
FINISHED: "cs-finished",
// The user has finished with the window.
CLOSE: "cs-close",
// The call was terminated due to an issue during connection.
TERMINATED: "cs-terminated"
};
/**
* Conversation store.
*
* @param {loop.Dispatcher} dispatcher The dispatcher for dispatching actions
* and registering to consume actions.
* @param {Object} options Options object:
* - {client} client The client object.
* - {mozLoop} mozLoop The MozLoop API object.
* - {loop.OTSdkDriver} loop.OTSdkDriver The SDK Driver
*/
loop.store.ConversationStore = loop.store.createStore({
// Further actions are registered in setupWindowData when
// we know what window type this is.
actions: [
"setupWindowData"
],
getInitialStoreState: function() {
return {
// The id of the window. Currently used for getting the window id.
windowId: undefined,
// The current state of the call
callState: CALL_STATES.INIT,
// The reason if a call was terminated
callStateReason: undefined,
// True if the call is outgoing, false if not, undefined if unknown
outgoing: undefined,
// The contact being called for outgoing calls
contact: undefined,
// The call type for the call.
// XXX Don't hard-code, this comes from the data in bug 1072323
callType: CALL_TYPES.AUDIO_VIDEO,
// A link for emailing once obtained from the server
emailLink: undefined,
// Call Connection information
// The call id from the loop-server
callId: undefined,
// The caller id of the contacting side
callerId: undefined,
// The connection progress url to connect the websocket
progressURL: undefined,
// The websocket token that allows connection to the progress url
websocketToken: undefined,
// SDK API key
apiKey: undefined,
// SDK session ID
sessionId: undefined,
// SDK session token
sessionToken: undefined,
// If the audio is muted
audioMuted: false,
// If the video is muted
videoMuted: false
};
},
/**
* Handles initialisation of the store.
*
* @param {Object} options Options object.
*/
initialize: function(options) {
options = options || {};
if (!options.client) {
throw new Error("Missing option client");
}
if (!options.sdkDriver) {
throw new Error("Missing option sdkDriver");
}
if (!options.mozLoop) {
throw new Error("Missing option mozLoop");
}
this.client = options.client;
this.sdkDriver = options.sdkDriver;
this.mozLoop = options.mozLoop;
this._isDesktop = options.isDesktop || false;
},
/**
* Handles the connection failure action, setting the state to
* terminated.
*
* @param {sharedActions.ConnectionFailure} actionData The action data.
*/
connectionFailure: function(actionData) {
/**
* XXX This is a workaround for desktop machines that do not have a
* camera installed. As we don't yet have device enumeration, when
* we do, this can be removed (bug 1138851), and the sdk should handle it.
*/
if (this._isDesktop &&
actionData.reason === FAILURE_DETAILS.UNABLE_TO_PUBLISH_MEDIA &&
this.getStoreState().videoMuted === false) {
// We failed to publish with media, so due to the bug, we try again without
// video.
this.setStoreState({videoMuted: true});
this.sdkDriver.retryPublishWithoutVideo();
return;
}
this._endSession();
this.setStoreState({
callState: CALL_STATES.TERMINATED,
callStateReason: actionData.reason
});
},
/**
* Handles the connection progress action, setting the next state
* appropriately.
*
* @param {sharedActions.ConnectionProgress} actionData The action data.
*/
connectionProgress: function(actionData) {
var state = this.getStoreState();
switch(actionData.wsState) {
case WS_STATES.INIT: {
if (state.callState === CALL_STATES.GATHER) {
this.setStoreState({callState: CALL_STATES.CONNECTING});
}
break;
}
case WS_STATES.ALERTING: {
this.setStoreState({callState: CALL_STATES.ALERTING});
break;
}
case WS_STATES.CONNECTING: {
if (state.outgoing) {
// We can start the connection right away if we're the outgoing
// call because this is the only way we know the other peer has
// accepted.
this._startCallConnection();
} else if (state.callState !== CALL_STATES.ONGOING) {
console.error("Websocket unexpectedly changed to next state whilst waiting for call acceptance.");
// Abort and close the window.
this.declineCall(new sharedActions.DeclineCall({blockCaller: false}));
}
break;
}
case WS_STATES.HALF_CONNECTED:
case WS_STATES.CONNECTED: {
if (this.getStoreState("callState") !== CALL_STATES.ONGOING) {
console.error("Unexpected websocket state received in wrong callState");
this.setStoreState({callState: CALL_STATES.ONGOING});
}
break;
}
default: {
console.error("Unexpected websocket state passed to connectionProgress:",
actionData.wsState);
}
}
},
setupWindowData: function(actionData) {
var windowType = actionData.type;
if (windowType !== "outgoing" &&
windowType !== "incoming") {
// Not for this store, don't do anything.
return;
}
this.dispatcher.register(this, [
"connectionFailure",
"connectionProgress",
"acceptCall",
"declineCall",
"connectCall",
"hangupCall",
"remotePeerDisconnected",
"cancelCall",
"retryCall",
"mediaConnected",
"setMute",
"fetchRoomEmailLink",
"windowUnload"
]);
this.setStoreState({
apiKey: actionData.apiKey,
callerId: actionData.callerId,
callId: actionData.callId,
callState: CALL_STATES.GATHER,
callType: actionData.callType,
contact: actionData.contact,
outgoing: windowType === "outgoing",
progressURL: actionData.progressURL,
sessionId: actionData.sessionId,
sessionToken: actionData.sessionToken,
videoMuted: actionData.callType === CALL_TYPES.AUDIO_ONLY,
websocketToken: actionData.websocketToken,
windowId: actionData.windowId
});
if (this.getStoreState("outgoing")) {
this._setupOutgoingCall();
} else {
this._setupIncomingCall();
}
},
/**
* Handles starting a call connection - connecting the session on the
* sdk, and setting the state appropriately.
*/
_startCallConnection: function() {
var state = this.getStoreState();
this.sdkDriver.connectSession({
apiKey: state.apiKey,
sessionId: state.sessionId,
sessionToken: state.sessionToken,
sendTwoWayMediaTelemetry: state.outgoing // only one side of the call
});
this.mozLoop.addConversationContext(
state.windowId,
state.sessionId,
state.callId);
this.setStoreState({callState: CALL_STATES.ONGOING});
},
/**
* Accepts an incoming call.
*
* @param {sharedActions.AcceptCall} actionData
*/
acceptCall: function(actionData) {
if (this.getStoreState("outgoing")) {
console.error("Received AcceptCall action in outgoing call state");
return;
}
this.setStoreState({
callType: actionData.callType,
videoMuted: actionData.callType === CALL_TYPES.AUDIO_ONLY
});
this._websocket.accept();
this._startCallConnection();
},
/**
* Declines an incoming call.
*
* @param {sharedActions.DeclineCall} actionData
*/
declineCall: function(actionData) {
if (actionData.blockCaller) {
this.mozLoop.calls.blockDirectCaller(this.getStoreState("callerId"),
function(err) {
// XXX The conversation window will be closed when this cb is triggered
// figure out if there is a better way to report the error to the user
// (bug 1103150).
console.log(err.fileName + ":" + err.lineNumber + ": " + err.message);
});
}
this._websocket.decline();
// Now we've declined, end the session and close the window.
this._endSession();
this.setStoreState({callState: CALL_STATES.CLOSE});
},
/**
* Handles the connect call action, this saves the appropriate
* data and starts the connection for the websocket to notify the
* server of progress.
*
* @param {sharedActions.ConnectCall} actionData The action data.
*/
connectCall: function(actionData) {
this.setStoreState(actionData.sessionData);
this._connectWebSocket();
},
/**
* Hangs up an ongoing call.
*/
hangupCall: function() {
if (this._websocket) {
// Let the server know the user has hung up.
this._websocket.mediaFail();
}
this._endSession();
this.setStoreState({callState: CALL_STATES.FINISHED});
},
/**
* The remote peer disconnected from the session.
*
* @param {sharedActions.RemotePeerDisconnected} actionData
*/
remotePeerDisconnected: function(actionData) {
this._endSession();
// If the peer hungup, we end normally, otherwise
// we treat this as a call failure.
if (actionData.peerHungup) {
this.setStoreState({callState: CALL_STATES.FINISHED});
} else {
this.setStoreState({
callState: CALL_STATES.TERMINATED,
callStateReason: "peerNetworkDisconnected"
});
}
},
/**
* Cancels a call. This can happen for incoming or outgoing calls.
* Although the user doesn't "cancel" an incoming call, it may be that
* the remote peer cancelled theirs before the incoming call was accepted.
*/
cancelCall: function() {
if (this.getStoreState("outgoing")) {
var callState = this.getStoreState("callState");
if (this._websocket &&
(callState === CALL_STATES.CONNECTING ||
callState === CALL_STATES.ALERTING)) {
// Let the server know the user has hung up.
this._websocket.cancel();
}
}
this._endSession();
this.setStoreState({callState: CALL_STATES.CLOSE});
},
/**
* Retries a call
*/
retryCall: function() {
var callState = this.getStoreState("callState");
if (callState !== CALL_STATES.TERMINATED) {
console.error("Unexpected retry in state", callState);
return;
}
this.setStoreState({callState: CALL_STATES.GATHER});
if (this.getStoreState("outgoing")) {
this._setupOutgoingCall();
}
},
/**
* Notifies that all media is now connected
*/
mediaConnected: function() {
this._websocket.mediaUp();
},
/**
* Records the mute state for the stream.
*
* @param {sharedActions.setMute} actionData The mute state for the stream type.
*/
setMute: function(actionData) {
var newState = {};
newState[actionData.type + "Muted"] = !actionData.enabled;
this.setStoreState(newState);
},
/**
* Fetches a new room URL intended to be sent over email when a contact
* can't be reached.
*/
fetchRoomEmailLink: function(actionData) {
this.mozLoop.rooms.create({
roomName: actionData.roomName,
roomOwner: actionData.roomOwner,
maxSize: loop.store.MAX_ROOM_CREATION_SIZE,
expiresIn: loop.store.DEFAULT_EXPIRES_IN
}, function(err, createdRoomData) {
if (err) {
this.trigger("error:emailLink");
return;
}
this.setStoreState({"emailLink": createdRoomData.roomUrl});
}.bind(this));
},
/**
* Called when the window is unloaded, either by code, or by the user
* explicitly closing it. Expected to do any necessary housekeeping, such
* as shutting down the call cleanly and adding any relevant telemetry data.
*/
windowUnload: function() {
if (!this.getStoreState("outgoing") &&
this.getStoreState("callState") === CALL_STATES.ALERTING &&
this._websocket) {
this._websocket.decline();
}
this._endSession();
},
/**
* Sets up an incoming call. All we really need to do here is
* to connect the websocket, as we've already got all the information
* when the window opened.
*/
_setupIncomingCall: function() {
this._connectWebSocket();
},
/**
* Obtains the outgoing call data from the server and handles the
* result.
*/
_setupOutgoingCall: function() {
var contactAddresses = [];
var contact = this.getStoreState("contact");
this.mozLoop.calls.setCallInProgress(this.getStoreState("windowId"));
function appendContactValues(property, strip) {
if (contact.hasOwnProperty(property)) {
contact[property].forEach(function(item) {
if (strip) {
contactAddresses.push(item.value
.replace(/^(\+)?(.*)$/g, function(m, prefix, number) {
return (prefix || "") + number.replace(/[\D]+/g, "");
}));
} else {
contactAddresses.push(item.value);
}
});
}
}
appendContactValues("email");
appendContactValues("tel", true);
this.client.setupOutgoingCall(contactAddresses,
this.getStoreState("callType"),
function(err, result) {
if (err) {
console.error("Failed to get outgoing call data", err);
var failureReason = "setup";
if (err.errno == REST_ERRNOS.USER_UNAVAILABLE) {
failureReason = REST_ERRNOS.USER_UNAVAILABLE;
}
this.dispatcher.dispatch(
new sharedActions.ConnectionFailure({reason: failureReason}));
return;
}
// Success, dispatch a new action.
this.dispatcher.dispatch(
new sharedActions.ConnectCall({sessionData: result}));
}.bind(this)
);
},
/**
* Sets up and connects the websocket to the server. The websocket
* deals with sending and obtaining status via the server about the
* setup of the call.
*/
_connectWebSocket: function() {
this._websocket = new loop.CallConnectionWebSocket({
url: this.getStoreState("progressURL"),
callId: this.getStoreState("callId"),
websocketToken: this.getStoreState("websocketToken")
});
this._websocket.promiseConnect().then(
function(progressState) {
this.dispatcher.dispatch(new sharedActions.ConnectionProgress({
// This is the websocket call state, i.e. waiting for the
// other end to connect to the server.
wsState: progressState
}));
}.bind(this),
function(error) {
console.error("Websocket failed to connect", error);
this.dispatcher.dispatch(new sharedActions.ConnectionFailure({
reason: "websocket-setup"
}));
}.bind(this)
);
this.listenTo(this._websocket, "progress", this._handleWebSocketProgress);
},
/**
* Ensures the session is ended and the websocket is disconnected.
*/
_endSession: function(nextState) {
this.sdkDriver.disconnectSession();
if (this._websocket) {
this.stopListening(this._websocket);
// Now close the websocket.
this._websocket.close();
delete this._websocket;
}
this.mozLoop.calls.clearCallInProgress(
this.getStoreState("windowId"));
},
/**
* If we hit any of the termination reasons, and the user hasn't accepted
* then it seems reasonable to close the window/abort the incoming call.
*
* If the user has accepted the call, and something's happened, display
* the call failed view.
*
* https://wiki.mozilla.org/Loop/Architecture/MVP#Termination_Reasons
*
* For outgoing calls, we treat all terminations as failures.
*
* @param {Object} progressData The progress data received from the websocket.
* @param {String} previousState The previous state the websocket was in.
*/
_handleWebSocketStateTerminated: function(progressData, previousState) {
if (this.getStoreState("outgoing") ||
(previousState !== WS_STATES.INIT &&
previousState !== WS_STATES.ALERTING)) {
// For outgoing calls we can treat everything as connection failure.
this.dispatcher.dispatch(new sharedActions.ConnectionFailure({
reason: progressData.reason
}));
return;
}
this.dispatcher.dispatch(new sharedActions.CancelCall());
},
/**
* Used to handle any progressed received from the websocket. This will
* dispatch new actions so that the data can be handled appropriately.
*
* @param {Object} progressData The progress data received from the websocket.
* @param {String} previousState The previous state the websocket was in.
*/
_handleWebSocketProgress: function(progressData, previousState) {
switch(progressData.state) {
case WS_STATES.TERMINATED: {
this._handleWebSocketStateTerminated(progressData, previousState);
break;
}
default: {
this.dispatcher.dispatch(new sharedActions.ConnectionProgress({
wsState: progressData.state
}));
break;
}
}
}
});
})();