gecko-dev/browser/components/loop/content/shared/js/activeRoomStore.js

535 lines
17 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 || {};
loop.store.ActiveRoomStore = (function() {
"use strict";
var sharedActions = loop.shared.actions;
var FAILURE_DETAILS = loop.shared.utils.FAILURE_DETAILS;
var SCREEN_SHARE_STATES = loop.shared.utils.SCREEN_SHARE_STATES;
// Error numbers taken from
// https://github.com/mozilla-services/loop-server/blob/master/loop/errno.json
var REST_ERRNOS = loop.shared.utils.REST_ERRNOS;
var ROOM_STATES = loop.store.ROOM_STATES;
/**
* Active room store.
*
* @param {loop.Dispatcher} dispatcher The dispatcher for dispatching actions
* and registering to consume actions.
* @param {Object} options Options object:
* - {mozLoop} mozLoop The MozLoop API object.
* - {OTSdkDriver} sdkDriver The SDK driver instance.
*/
var ActiveRoomStore = loop.store.createStore({
/**
* The time factor to adjust the expires time to ensure that we send a refresh
* before the expiry. Currently set as 90%.
*/
expiresTimeFactor: 0.9,
// XXX Further actions are registered in setupWindowData and
// fetchServerData when we know what window type this is. At some stage,
// we might want to consider store mixins or some alternative which
// means the stores would only be created when we want them.
actions: [
"setupWindowData",
"fetchServerData"
],
initialize: function(options) {
if (!options.mozLoop) {
throw new Error("Missing option mozLoop");
}
this._mozLoop = options.mozLoop;
if (!options.sdkDriver) {
throw new Error("Missing option sdkDriver");
}
this._sdkDriver = options.sdkDriver;
},
/**
* Returns initial state data for this active room.
*/
getInitialStoreState: function() {
return {
roomState: ROOM_STATES.INIT,
audioMuted: false,
videoMuted: false,
failureReason: undefined,
// Tracks if the room has been used during this
// session. 'Used' means at least one call has been placed
// with it. Entering and leaving the room without seeing
// anyone is not considered as 'used'
used: false,
localVideoDimensions: {},
remoteVideoDimensions: {},
screenSharingState: SCREEN_SHARE_STATES.INACTIVE,
receivingScreenShare: false
};
},
/**
* Handles a room failure.
*
* @param {sharedActions.RoomFailure} actionData
*/
roomFailure: function(actionData) {
function getReason(serverCode) {
switch (serverCode) {
case REST_ERRNOS.INVALID_TOKEN:
case REST_ERRNOS.EXPIRED:
return FAILURE_DETAILS.EXPIRED_OR_INVALID;
default:
return FAILURE_DETAILS.UNKNOWN;
}
}
console.error("Error in state `" + this._storeState.roomState + "`:",
actionData.error);
this.setStoreState({
error: actionData.error,
failureReason: getReason(actionData.error.errno)
});
this._leaveRoom(actionData.error.errno === REST_ERRNOS.ROOM_FULL ?
ROOM_STATES.FULL : ROOM_STATES.FAILED);
},
/**
* Registers the actions with the dispatcher that this store is interested
* in after the initial setup has been performed.
*/
_registerPostSetupActions: function() {
this.dispatcher.register(this, [
"roomFailure",
"setupRoomInfo",
"updateRoomInfo",
"gotMediaPermission",
"joinRoom",
"joinedRoom",
"connectedToSdkServers",
"connectionFailure",
"setMute",
"screenSharingState",
"receivingScreenShare",
"remotePeerDisconnected",
"remotePeerConnected",
"windowUnload",
"leaveRoom",
"feedbackComplete",
"videoDimensionsChanged"
]);
},
/**
* Execute setupWindowData event action from the dispatcher. This gets
* the room data from the mozLoop api, and dispatches an UpdateRoomInfo event.
* It also dispatches JoinRoom as this action is only applicable to the desktop
* client, and needs to auto-join.
*
* @param {sharedActions.SetupWindowData} actionData
*/
setupWindowData: function(actionData) {
if (actionData.type !== "room") {
// Nothing for us to do here, leave it to other stores.
return;
}
this._registerPostSetupActions();
this.setStoreState({
roomState: ROOM_STATES.GATHER,
windowId: actionData.windowId
});
// Get the window data from the mozLoop api.
this._mozLoop.rooms.get(actionData.roomToken,
function(error, roomData) {
if (error) {
this.dispatchAction(new sharedActions.RoomFailure({error: error}));
return;
}
this.dispatchAction(new sharedActions.SetupRoomInfo({
roomToken: actionData.roomToken,
roomName: roomData.roomName,
roomOwner: roomData.roomOwner,
roomUrl: roomData.roomUrl
}));
// For the conversation window, we need to automatically
// join the room.
this.dispatchAction(new sharedActions.JoinRoom());
}.bind(this));
},
/**
* Execute fetchServerData event action from the dispatcher. Although
* this is to fetch the server data - for rooms on the standalone client,
* we don't actually need to get any data. Therefore we just save the
* data that is given to us for when the user chooses to join the room.
*
* @param {sharedActions.FetchServerData} actionData
*/
fetchServerData: function(actionData) {
if (actionData.windowType !== "room") {
// Nothing for us to do here, leave it to other stores.
return;
}
this._registerPostSetupActions();
this.setStoreState({
roomToken: actionData.token,
roomState: ROOM_STATES.READY
});
this._mozLoop.rooms.on("update:" + actionData.roomToken,
this._handleRoomUpdate.bind(this));
this._mozLoop.rooms.on("delete:" + actionData.roomToken,
this._handleRoomDelete.bind(this));
},
/**
* Handles the setupRoomInfo action. Sets up the initial room data and
* sets the state to `READY`.
*
* @param {sharedActions.SetupRoomInfo} actionData
*/
setupRoomInfo: function(actionData) {
if (this._onUpdateListener) {
console.error("Room info already set up!");
return;
}
this.setStoreState({
roomName: actionData.roomName,
roomOwner: actionData.roomOwner,
roomState: ROOM_STATES.READY,
roomToken: actionData.roomToken,
roomUrl: actionData.roomUrl
});
this._onUpdateListener = this._handleRoomUpdate.bind(this);
this._onDeleteListener = this._handleRoomDelete.bind(this);
this._mozLoop.rooms.on("update:" + actionData.roomToken, this._onUpdateListener);
this._mozLoop.rooms.on("delete:" + actionData.roomToken, this._onDeleteListener);
},
/**
* Handles the updateRoomInfo action. Updates the room data.
*
* @param {sharedActions.UpdateRoomInfo} actionData
*/
updateRoomInfo: function(actionData) {
this.setStoreState({
roomName: actionData.roomName,
roomOwner: actionData.roomOwner,
roomUrl: actionData.roomUrl
});
},
/**
* Handles room updates notified by the mozLoop rooms API.
*
* @param {String} eventName The name of the event
* @param {Object} roomData The new roomData.
*/
_handleRoomUpdate: function(eventName, roomData) {
this.dispatchAction(new sharedActions.UpdateRoomInfo({
roomName: roomData.roomName,
roomOwner: roomData.roomOwner,
roomUrl: roomData.roomUrl
}));
},
/**
* Handles the deletion of a room, notified by the mozLoop rooms API.
*
* @param {String} eventName The name of the event
* @param {Object} roomData The roomData of the deleted room
*/
_handleRoomDelete: function(eventName, roomData) {
this._sdkDriver.forceDisconnectAll(function() {
window.close();
});
},
/**
* Handles the action to join to a room.
*/
joinRoom: function() {
// Reset the failure reason if necessary.
if (this.getStoreState().failureReason) {
this.setStoreState({failureReason: undefined});
}
this.setStoreState({roomState: ROOM_STATES.MEDIA_WAIT});
},
/**
* Handles the action that signifies when media permission has been
* granted and starts joining the room.
*/
gotMediaPermission: function() {
this.setStoreState({roomState: ROOM_STATES.JOINING});
this._mozLoop.rooms.join(this._storeState.roomToken,
function(error, responseData) {
if (error) {
this.dispatchAction(new sharedActions.RoomFailure({error: error}));
return;
}
this.dispatchAction(new sharedActions.JoinedRoom({
apiKey: responseData.apiKey,
sessionToken: responseData.sessionToken,
sessionId: responseData.sessionId,
expires: responseData.expires
}));
}.bind(this));
},
/**
* Handles the data received from joining a room. It stores the relevant
* data, and sets up the refresh timeout for ensuring membership of the room
* is refreshed regularly.
*
* @param {sharedActions.JoinedRoom} actionData
*/
joinedRoom: function(actionData) {
this.setStoreState({
apiKey: actionData.apiKey,
sessionToken: actionData.sessionToken,
sessionId: actionData.sessionId,
roomState: ROOM_STATES.JOINED
});
this._setRefreshTimeout(actionData.expires);
this._sdkDriver.connectSession(actionData);
this._mozLoop.addConversationContext(this._storeState.windowId,
actionData.sessionId, "");
// If we haven't got a room name yet, go and get one. We typically
// need to do this in the case of the standalone window.
// XXX When bug 1103331 lands this can be moved to earlier.
if (!this._storeState.roomName) {
this._mozLoop.rooms.get(this._storeState.roomToken,
function(err, result) {
if (err) {
console.error("Failed to get room data:", err);
return;
}
this.dispatcher.dispatch(new sharedActions.UpdateRoomInfo(result));
}.bind(this));
}
},
/**
* Handles recording when the sdk has connected to the servers.
*/
connectedToSdkServers: function() {
this.setStoreState({
roomState: ROOM_STATES.SESSION_CONNECTED
});
},
/**
* Handles disconnection of this local client from the sdk servers.
*
* @param {sharedActions.ConnectionFailure} actionData
*/
connectionFailure: function(actionData) {
// Treat all reasons as something failed. In theory, clientDisconnected
// could be a success case, but there's no way we should be intentionally
// sending that and still have the window open.
this.setStoreState({
failureReason: actionData.reason
});
this._leaveRoom(ROOM_STATES.FAILED);
},
/**
* Records the mute state for the stream.
*
* @param {sharedActions.setMute} actionData The mute state for the stream type.
*/
setMute: function(actionData) {
var muteState = {};
muteState[actionData.type + "Muted"] = !actionData.enabled;
this.setStoreState(muteState);
},
/**
* Used to note the current screensharing state.
*/
screenSharingState: function(actionData) {
this.setStoreState({screenSharingState: actionData.state});
this._mozLoop.setScreenShareState(
this.getStoreState().windowId,
actionData.state === SCREEN_SHARE_STATES.ACTIVE);
},
/**
* Used to note the current state of receiving screenshare data.
*/
receivingScreenShare: function(actionData) {
this.setStoreState({receivingScreenShare: actionData.receiving});
},
/**
* Handles recording when a remote peer has connected to the servers.
*/
remotePeerConnected: function() {
this.setStoreState({
roomState: ROOM_STATES.HAS_PARTICIPANTS,
used: true
});
// We've connected with a third-party, therefore stop displaying the ToS etc.
this._mozLoop.setLoopPref("seenToS", "seen");
},
/**
* Handles a remote peer disconnecting from the session. As we currently only
* support 2 participants, we declare the room as SESSION_CONNECTED as soon as
* one participantleaves.
*/
remotePeerDisconnected: function() {
this.setStoreState({roomState: ROOM_STATES.SESSION_CONNECTED});
},
/**
* Handles the window being unloaded. Ensures the room is left.
*/
windowUnload: function() {
this._leaveRoom(ROOM_STATES.CLOSING);
// If we're closing the window, then ensure the screensharing state
// is cleared. We don't do this on leave room, as we might still be
// sharing.
this._mozLoop.setScreenShareState(
this.getStoreState().windowId,
false);
if (!this._onUpdateListener) {
return;
}
// If we're closing the window, we can stop listening to updates.
var roomToken = this.getStoreState().roomToken;
this._mozLoop.rooms.off("update:" + roomToken, this._onUpdateListener);
this._mozLoop.rooms.off("delete:" + roomToken, this._onDeleteListener);
delete this._onUpdateListener;
delete this._onDeleteListener;
},
/**
* Handles a room being left.
*/
leaveRoom: function() {
this._leaveRoom();
},
/**
* Handles setting of the refresh timeout callback.
*
* @param {Integer} expireTime The time until expiry (in seconds).
*/
_setRefreshTimeout: function(expireTime) {
this._timeout = setTimeout(this._refreshMembership.bind(this),
expireTime * this.expiresTimeFactor * 1000);
},
/**
* Refreshes the membership of the room with the server, and then
* sets up the refresh for the next cycle.
*/
_refreshMembership: function() {
this._mozLoop.rooms.refreshMembership(this._storeState.roomToken,
this._storeState.sessionToken,
function(error, responseData) {
if (error) {
this.dispatchAction(new sharedActions.RoomFailure({error: error}));
return;
}
this._setRefreshTimeout(responseData.expires);
}.bind(this));
},
/**
* Handles leaving a room. Clears any membership timeouts, then
* signals to the server the leave of the room.
*
* @param {ROOM_STATES} nextState Optional; the next state to switch to.
* Switches to READY if undefined.
*/
_leaveRoom: function(nextState) {
if (loop.standaloneMedia) {
loop.standaloneMedia.multiplexGum.reset();
}
this._sdkDriver.disconnectSession();
if (this._timeout) {
clearTimeout(this._timeout);
delete this._timeout;
}
if (this._storeState.roomState === ROOM_STATES.JOINING ||
this._storeState.roomState === ROOM_STATES.JOINED ||
this._storeState.roomState === ROOM_STATES.SESSION_CONNECTED ||
this._storeState.roomState === ROOM_STATES.HAS_PARTICIPANTS) {
this._mozLoop.rooms.leave(this._storeState.roomToken,
this._storeState.sessionToken);
}
this.setStoreState({roomState: nextState || ROOM_STATES.ENDED});
},
/**
* When feedback is complete, we reset the room to the initial state.
*/
feedbackComplete: function() {
// Note, that we want some values, such as the windowId, so we don't
// do a full reset here.
this.setStoreState(this.getInitialStoreState());
},
/**
* Handles a change in dimensions of a video stream and updates the store data
* with the new dimensions of a local or remote stream.
*
* @param {sharedActions.VideoDimensionsChanged} actionData
*/
videoDimensionsChanged: function(actionData) {
// NOTE: in the future, when multiple remote video streams are supported,
// we'll need to make this support multiple remotes as well. Good
// starting point for video tiling.
var storeProp = (actionData.isLocal ? "local" : "remote") + "VideoDimensions";
var nextState = {};
nextState[storeProp] = this.getStoreState()[storeProp];
nextState[storeProp][actionData.videoType] = actionData.dimensions;
this.setStoreState(nextState);
}
});
return ActiveRoomStore;
})();