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authorMatt A. Tobin <email@mattatobin.com>2020-02-06 14:49:41 -0500
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 12:31:03 +0200
commit27f4e60be80610b4be361f51257a5501852ed795 (patch)
treefebf1f57736ba443e21ccf243d275a6a2eddaaf1
parentaae1baabe9b76a243025da262635d30796b9459c (diff)
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Issue #1390 - Remove secondscreen modules from toolkit
-rw-r--r--toolkit/modules/moz.build3
-rw-r--r--toolkit/modules/secondscreen/PresentationApp.jsm190
-rw-r--r--toolkit/modules/secondscreen/RokuApp.jsm230
-rw-r--r--toolkit/modules/secondscreen/SimpleServiceDiscovery.jsm432
4 files changed, 0 insertions, 855 deletions
diff --git a/toolkit/modules/moz.build b/toolkit/modules/moz.build
index 90546267e..a6423913d 100644
--- a/toolkit/modules/moz.build
+++ b/toolkit/modules/moz.build
@@ -75,9 +75,6 @@ EXTRA_JS_MODULES += [
'RemoteSecurityUI.jsm',
'RemoteWebProgress.jsm',
'ResponsivenessMonitor.jsm',
- 'secondscreen/PresentationApp.jsm',
- 'secondscreen/RokuApp.jsm',
- 'secondscreen/SimpleServiceDiscovery.jsm',
'SelectContentHelper.jsm',
'SelectParentHelper.jsm',
'ServiceRequest.jsm',
diff --git a/toolkit/modules/secondscreen/PresentationApp.jsm b/toolkit/modules/secondscreen/PresentationApp.jsm
deleted file mode 100644
index b7d8e05a8..000000000
--- a/toolkit/modules/secondscreen/PresentationApp.jsm
+++ /dev/null
@@ -1,190 +0,0 @@
-// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
-/* 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/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ["PresentationApp"];
-
-const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-
-XPCOMUtils.defineLazyGetter(this, "sysInfo", () => {
- return Cc["@mozilla.org/system-info;1"].getService(Ci.nsIPropertyBag2);
-});
-
-const DEBUG = false;
-
-const STATE_UNINIT = "uninitialized" // RemoteMedia status
-const STATE_STARTED = "started"; // RemoteMedia status
-const STATE_PAUSED = "paused"; // RemoteMedia status
-const STATE_SHUTDOWN = "shutdown"; // RemoteMedia status
-
-function debug(msg) {
- Services.console.logStringMessage("PresentationApp: " + msg);
-}
-
-// PresentationApp is a wrapper for interacting with a Presentation Receiver Device.
-function PresentationApp(service, request) {
- this.service = service;
- this.request = request;
-}
-
-PresentationApp.prototype = {
- start: function start(callback) {
- this.request.startWithDevice(this.service.uuid)
- .then((session) => {
- this._session = session;
- if (callback) {
- session.addEventListener('connect', () => {
- callback(true);
- });
- }
- }, () => {
- if (callback) {
- callback(false);
- }
- });
- },
-
- stop: function stop(callback) {
- if (this._session && this._session.state === "connected") {
- this._session.terminate();
- }
-
- delete this._session;
-
- if (callback) {
- callback(true);
- }
- },
-
- remoteMedia: function remoteMedia(callback, listener) {
- if (callback) {
- if (!this._session) {
- callback();
- return;
- }
-
- callback(new RemoteMedia(this._session, listener));
- }
- }
-}
-
-/* RemoteMedia provides a wrapper for using Presentation API to control Firefox TV app.
- * The server implementation must be built into the Firefox TV receiver app.
- * see https://github.com/mozilla-b2g/gaia/tree/master/tv_apps/fling-player
- */
-function RemoteMedia(session, listener) {
- this._session = session ;
- this._listener = listener;
- this._status = STATE_UNINIT;
-
- this._session.addEventListener("message", this);
- this._session.addEventListener("terminate", this);
-
- if (this._listener && "onRemoteMediaStart" in this._listener) {
- Services.tm.mainThread.dispatch((function() {
- this._listener.onRemoteMediaStart(this);
- }).bind(this), Ci.nsIThread.DISPATCH_NORMAL);
- }
-}
-
-RemoteMedia.prototype = {
- _seq: 0,
-
- handleEvent: function(e) {
- switch (e.type) {
- case "message":
- this._onmessage(e);
- break;
- case "terminate":
- this._onterminate(e);
- break;
- }
- },
-
- _onmessage: function(e) {
- DEBUG && debug("onmessage: " + e.data);
- if (this.status === STATE_SHUTDOWN) {
- return;
- }
-
- if (e.data.indexOf("stopped") > -1) {
- if (this.status !== STATE_PAUSED) {
- this._status = STATE_PAUSED;
- if (this._listener && "onRemoteMediaStatus" in this._listener) {
- this._listener.onRemoteMediaStatus(this);
- }
- }
- } else if (e.data.indexOf("playing") > -1) {
- if (this.status !== STATE_STARTED) {
- this._status = STATE_STARTED;
- if (this._listener && "onRemoteMediaStatus" in this._listener) {
- this._listener.onRemoteMediaStatus(this);
- }
- }
- }
- },
-
- _onterminate: function(e) {
- DEBUG && debug("onterminate: " + this._session.state);
- this._status = STATE_SHUTDOWN;
- if (this._listener && "onRemoteMediaStop" in this._listener) {
- this._listener.onRemoteMediaStop(this);
- }
- },
-
- _sendCommand: function(command, data) {
- let msg = {
- 'type': command,
- 'seq': ++this._seq
- };
-
- if (data) {
- for (var k in data) {
- msg[k] = data[k];
- }
- }
-
- let raw = JSON.stringify(msg);
- DEBUG && debug("send command: " + raw);
-
- this._session.send(raw);
- },
-
- shutdown: function shutdown() {
- DEBUG && debug("RemoteMedia - shutdown");
- this._sendCommand("close");
- },
-
- play: function play() {
- DEBUG && debug("RemoteMedia - play");
- this._sendCommand("play");
- },
-
- pause: function pause() {
- DEBUG && debug("RemoteMedia - pause");
- this._sendCommand("pause");
- },
-
- load: function load(data) {
- DEBUG && debug("RemoteMedia - load: " + data);
- this._sendCommand("load", { "url": data.source });
-
- let deviceName;
- if (Services.appinfo.widgetToolkit == "android") {
- deviceName = sysInfo.get("device");
- } else {
- deviceName = sysInfo.get("host");
- }
- this._sendCommand("device-info", { "displayName": deviceName });
- },
-
- get status() {
- return this._status;
- }
-}
diff --git a/toolkit/modules/secondscreen/RokuApp.jsm b/toolkit/modules/secondscreen/RokuApp.jsm
deleted file mode 100644
index b37a688cd..000000000
--- a/toolkit/modules/secondscreen/RokuApp.jsm
+++ /dev/null
@@ -1,230 +0,0 @@
-// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
-/* 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/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ["RokuApp"];
-
-const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/AppConstants.jsm");
-
-function log(msg) {
- // Services.console.logStringMessage(msg);
-}
-
-const PROTOCOL_VERSION = 1;
-
-/* RokuApp is a wrapper for interacting with a Roku channel.
- * The basic interactions all use a REST API.
- * spec: http://sdkdocs.roku.com/display/sdkdoc/External+Control+Guide
- */
-function RokuApp(service) {
- this.service = service;
- this.resourceURL = this.service.location;
- this.app = AppConstants.RELEASE_OR_BETA ? "Firefox" : "Firefox Nightly";
- this.mediaAppID = -1;
-}
-
-RokuApp.prototype = {
- status: function status(callback) {
- // We have no way to know if the app is running, so just return "unknown"
- // but we use this call to fetch the mediaAppID for the given app name
- let url = this.resourceURL + "query/apps";
- let xhr = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
- xhr.open("GET", url, true);
- xhr.channel.loadFlags |= Ci.nsIRequest.INHIBIT_CACHING;
- xhr.overrideMimeType("text/xml");
-
- xhr.addEventListener("load", (function() {
- if (xhr.status == 200) {
- let doc = xhr.responseXML;
- let apps = doc.querySelectorAll("app");
- for (let app of apps) {
- if (app.textContent == this.app) {
- this.mediaAppID = app.id;
- }
- }
- }
-
- // Since ECP has no way of telling us if an app is running, we always return "unknown"
- if (callback) {
- callback({ state: "unknown" });
- }
- }).bind(this), false);
-
- xhr.addEventListener("error", (function() {
- if (callback) {
- callback({ state: "unknown" });
- }
- }).bind(this), false);
-
- xhr.send(null);
- },
-
- start: function start(callback) {
- // We need to make sure we have cached the mediaAppID
- if (this.mediaAppID == -1) {
- this.status(function() {
- // If we found the mediaAppID, use it to make a new start call
- if (this.mediaAppID != -1) {
- this.start(callback);
- } else {
- // We failed to start the app, so let the caller know
- callback(false);
- }
- }.bind(this));
- return;
- }
-
- // Start a given app with any extra query data. Each app uses it's own data scheme.
- // NOTE: Roku will also pass "source=external-control" as a param
- let url = this.resourceURL + "launch/" + this.mediaAppID + "?version=" + parseInt(PROTOCOL_VERSION);
- let xhr = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
- xhr.open("POST", url, true);
- xhr.overrideMimeType("text/plain");
-
- xhr.addEventListener("load", (function() {
- if (callback) {
- callback(xhr.status === 200);
- }
- }).bind(this), false);
-
- xhr.addEventListener("error", (function() {
- if (callback) {
- callback(false);
- }
- }).bind(this), false);
-
- xhr.send(null);
- },
-
- stop: function stop(callback) {
- // Roku doesn't seem to support stopping an app, so let's just go back to
- // the Home screen
- let url = this.resourceURL + "keypress/Home";
- let xhr = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
- xhr.open("POST", url, true);
- xhr.overrideMimeType("text/plain");
-
- xhr.addEventListener("load", (function() {
- if (callback) {
- callback(xhr.status === 200);
- }
- }).bind(this), false);
-
- xhr.addEventListener("error", (function() {
- if (callback) {
- callback(false);
- }
- }).bind(this), false);
-
- xhr.send(null);
- },
-
- remoteMedia: function remoteMedia(callback, listener) {
- if (this.mediaAppID != -1) {
- if (callback) {
- callback(new RemoteMedia(this.resourceURL, listener));
- }
- } else if (callback) {
- callback();
- }
- }
-}
-
-/* RemoteMedia provides a wrapper for using TCP socket to control Roku apps.
- * The server implementation must be built into the Roku receiver app.
- */
-function RemoteMedia(url, listener) {
- this._url = url;
- this._listener = listener;
- this._status = "uninitialized";
-
- let serverURI = Services.io.newURI(this._url, null, null);
- this._socket = Cc["@mozilla.org/network/socket-transport-service;1"].getService(Ci.nsISocketTransportService).createTransport(null, 0, serverURI.host, 9191, null);
- this._outputStream = this._socket.openOutputStream(0, 0, 0);
-
- this._scriptableStream = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(Ci.nsIScriptableInputStream);
-
- this._inputStream = this._socket.openInputStream(0, 0, 0);
- this._pump = Cc["@mozilla.org/network/input-stream-pump;1"].createInstance(Ci.nsIInputStreamPump);
- this._pump.init(this._inputStream, -1, -1, 0, 0, true);
- this._pump.asyncRead(this, null);
-}
-
-RemoteMedia.prototype = {
- onStartRequest: function(request, context) {
- },
-
- onDataAvailable: function(request, context, stream, offset, count) {
- this._scriptableStream.init(stream);
- let data = this._scriptableStream.read(count);
- if (!data) {
- return;
- }
-
- let msg = JSON.parse(data);
- if (this._status === msg._s) {
- return;
- }
-
- this._status = msg._s;
-
- if (this._listener) {
- // Check to see if we are getting the initial "connected" message
- if (this._status == "connected" && "onRemoteMediaStart" in this._listener) {
- this._listener.onRemoteMediaStart(this);
- }
-
- if ("onRemoteMediaStatus" in this._listener) {
- this._listener.onRemoteMediaStatus(this);
- }
- }
- },
-
- onStopRequest: function(request, context, result) {
- if (this._listener && "onRemoteMediaStop" in this._listener)
- this._listener.onRemoteMediaStop(this);
- },
-
- _sendMsg: function _sendMsg(data) {
- if (!data)
- return;
-
- // Add the protocol version
- data["_v"] = PROTOCOL_VERSION;
-
- let raw = JSON.stringify(data);
- this._outputStream.write(raw, raw.length);
- },
-
- shutdown: function shutdown() {
- this._outputStream.close();
- this._inputStream.close();
- },
-
- get active() {
- return (this._socket && this._socket.isAlive());
- },
-
- play: function play() {
- // TODO: add position support
- this._sendMsg({ type: "PLAY" });
- },
-
- pause: function pause() {
- this._sendMsg({ type: "STOP" });
- },
-
- load: function load(data) {
- this._sendMsg({ type: "LOAD", title: data.title, source: data.source, poster: data.poster });
- },
-
- get status() {
- return this._status;
- }
-}
diff --git a/toolkit/modules/secondscreen/SimpleServiceDiscovery.jsm b/toolkit/modules/secondscreen/SimpleServiceDiscovery.jsm
deleted file mode 100644
index 4abc93ad1..000000000
--- a/toolkit/modules/secondscreen/SimpleServiceDiscovery.jsm
+++ /dev/null
@@ -1,432 +0,0 @@
-// -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
-/* 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/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ["SimpleServiceDiscovery"];
-
-const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Timer.jsm");
-
-var log = Cu.reportError;
-
-XPCOMUtils.defineLazyGetter(this, "converter", function () {
- let conv = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
- conv.charset = "utf8";
- return conv;
-});
-
-// Spec information:
-// https://tools.ietf.org/html/draft-cai-ssdp-v1-03
-// http://www.dial-multiscreen.org/dial-protocol-specification
-const SSDP_PORT = 1900;
-const SSDP_ADDRESS = "239.255.255.250";
-
-const SSDP_DISCOVER_PACKET =
- "M-SEARCH * HTTP/1.1\r\n" +
- "HOST: " + SSDP_ADDRESS + ":" + SSDP_PORT + "\r\n" +
- "MAN: \"ssdp:discover\"\r\n" +
- "MX: 2\r\n" +
- "ST: %SEARCH_TARGET%\r\n\r\n";
-
-const SSDP_DISCOVER_ATTEMPTS = 3;
-const SSDP_DISCOVER_DELAY = 500;
-const SSDP_DISCOVER_TIMEOUT_MULTIPLIER = 2;
-const SSDP_TRANSMISSION_INTERVAL = 1000;
-
-const EVENT_SERVICE_FOUND = "ssdp-service-found";
-const EVENT_SERVICE_LOST = "ssdp-service-lost";
-
-/*
- * SimpleServiceDiscovery manages any discovered SSDP services. It uses a UDP
- * broadcast to locate available services on the local network.
- */
-var SimpleServiceDiscovery = {
- get EVENT_SERVICE_FOUND() { return EVENT_SERVICE_FOUND; },
- get EVENT_SERVICE_LOST() { return EVENT_SERVICE_LOST; },
-
- _devices: new Map(),
- _services: new Map(),
- _searchSocket: null,
- _searchInterval: 0,
- _searchTimestamp: 0,
- _searchTimeout: Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer),
- _searchRepeat: Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer),
- _discoveryMethods: [],
-
- _forceTrailingSlash: function(aURL) {
- // Cleanup the URL to make it consistent across devices
- try {
- aURL = Services.io.newURI(aURL, null, null).spec;
- } catch (e) {}
- return aURL;
- },
-
- // nsIUDPSocketListener implementation
- onPacketReceived: function(aSocket, aMessage) {
- // Listen for responses from specific devices. There could be more than one
- // available.
- let response = aMessage.data.split("\n");
- let service = {};
- response.forEach(function(row) {
- let name = row.toUpperCase();
- if (name.startsWith("LOCATION")) {
- service.location = row.substr(10).trim();
- } else if (name.startsWith("ST")) {
- service.target = row.substr(4).trim();
- }
- }.bind(this));
-
- if (service.location && service.target) {
- service.location = this._forceTrailingSlash(service.location);
-
- // When we find a valid response, package up the service information
- // and pass it on.
- try {
- this._processService(service);
- } catch (e) {}
- }
- },
-
- onStopListening: function(aSocket, aStatus) {
- // This is fired when the socket is closed expectedly or unexpectedly.
- // nsITimer.cancel() is a no-op if the timer is not active.
- this._searchTimeout.cancel();
- this._searchSocket = null;
- },
-
- // Start a search. Make it continuous by passing an interval (in milliseconds).
- // This will stop a current search loop because the timer resets itself.
- // Returns the existing search interval.
- search: function search(aInterval) {
- let existingSearchInterval = this._searchInterval;
- if (aInterval > 0) {
- this._searchInterval = aInterval || 0;
- this._searchRepeat.initWithCallback(this._search.bind(this), this._searchInterval, Ci.nsITimer.TYPE_REPEATING_SLACK);
- }
- this._search();
- return existingSearchInterval;
- },
-
- // Stop the current continuous search
- stopSearch: function stopSearch() {
- this._searchRepeat.cancel();
- },
-
- _usingLAN: function() {
- let network = Cc["@mozilla.org/network/network-link-service;1"].getService(Ci.nsINetworkLinkService);
- return (network.linkType == Ci.nsINetworkLinkService.LINK_TYPE_WIFI ||
- network.linkType == Ci.nsINetworkLinkService.LINK_TYPE_ETHERNET ||
- network.linkType == Ci.nsINetworkLinkService.LINK_TYPE_UNKNOWN);
- },
-
- _search: function _search() {
- // If a search is already active, shut it down.
- this._searchShutdown();
-
- // We only search if on local network
- if (!this._usingLAN()) {
- return;
- }
-
- // Update the timestamp so we can use it to clean out stale services the
- // next time we search.
- this._searchTimestamp = Date.now();
-
- // Look for any fixed IP devices. Some routers might be configured to block
- // UDP broadcasts, so this is a way to skip discovery.
- this._searchFixedDevices();
-
- // Look for any devices via registered external discovery mechanism.
- this._startExternalDiscovery();
-
- // Perform a UDP broadcast to search for SSDP devices
- let socket = Cc["@mozilla.org/network/udp-socket;1"].createInstance(Ci.nsIUDPSocket);
- try {
- socket.init(SSDP_PORT, false, Services.scriptSecurityManager.getSystemPrincipal());
- socket.joinMulticast(SSDP_ADDRESS);
- socket.asyncListen(this);
- } catch (e) {
- // We were unable to create the broadcast socket. Just return, but don't
- // kill the interval timer. This might work next time.
- log("failed to start socket: " + e);
- return;
- }
-
- // Make the timeout SSDP_DISCOVER_TIMEOUT_MULTIPLIER times as long as the time needed to send out the discovery packets.
- const SSDP_DISCOVER_TIMEOUT = this._devices.size * SSDP_DISCOVER_ATTEMPTS * SSDP_TRANSMISSION_INTERVAL * SSDP_DISCOVER_TIMEOUT_MULTIPLIER;
- this._searchSocket = socket;
- this._searchTimeout.initWithCallback(this._searchShutdown.bind(this), SSDP_DISCOVER_TIMEOUT, Ci.nsITimer.TYPE_ONE_SHOT);
-
- let data = SSDP_DISCOVER_PACKET;
-
- // Send discovery packets out at 1 per SSDP_TRANSMISSION_INTERVAL and send each SSDP_DISCOVER_ATTEMPTS times
- // to allow for packet loss on noisy networks.
- let timeout = SSDP_DISCOVER_DELAY;
- for (let attempts = 0; attempts < SSDP_DISCOVER_ATTEMPTS; attempts++) {
- for (let [key, device] of this._devices) {
- let target = device.target;
- setTimeout(function() {
- let msgData = data.replace("%SEARCH_TARGET%", target);
- try {
- let msgRaw = converter.convertToByteArray(msgData);
- socket.send(SSDP_ADDRESS, SSDP_PORT, msgRaw, msgRaw.length);
- } catch (e) {
- log("failed to convert to byte array: " + e);
- }
- }, timeout);
- timeout += SSDP_TRANSMISSION_INTERVAL;
- }
- }
- },
-
- _searchFixedDevices: function _searchFixedDevices() {
- let fixedDevices = Services.prefs.getCharPref("browser.casting.fixedDevices", "");
-
- if (!fixedDevices) {
- return;
- }
-
- fixedDevices = JSON.parse(fixedDevices);
- for (let fixedDevice of fixedDevices) {
- // Verify we have the right data
- if (!("location" in fixedDevice) || !("target" in fixedDevice)) {
- continue;
- }
-
- fixedDevice.location = this._forceTrailingSlash(fixedDevice.location);
-
- let service = {
- location: fixedDevice.location,
- target: fixedDevice.target
- };
-
- // We don't assume the fixed target is ready. We still need to ping it.
- try {
- this._processService(service);
- } catch (e) {}
- }
- },
-
- // Called when the search timeout is hit. We use it to cleanup the socket and
- // perform some post-processing on the services list.
- _searchShutdown: function _searchShutdown() {
- if (this._searchSocket) {
- // This will call onStopListening.
- this._searchSocket.close();
-
- // Clean out any stale services
- for (let [key, service] of this._services) {
- if (service.lastPing != this._searchTimestamp) {
- this.removeService(service.uuid);
- }
- }
- }
-
- this._stopExternalDiscovery();
- },
-
- getSupportedExtensions: function() {
- let extensions = [];
- this.services.forEach(function(service) {
- extensions = extensions.concat(service.extensions);
- }, this);
- return extensions.filter(function(extension, pos) {
- return extensions.indexOf(extension) == pos;
- });
- },
-
- getSupportedMimeTypes: function() {
- let types = [];
- this.services.forEach(function(service) {
- types = types.concat(service.types);
- }, this);
- return types.filter(function(type, pos) {
- return types.indexOf(type) == pos;
- });
- },
-
- registerDevice: function registerDevice(aDevice) {
- // We must have "id", "target" and "factory" defined
- if (!("id" in aDevice) || !("target" in aDevice) || !("factory" in aDevice)) {
- // Fatal for registration
- throw "Registration requires an id, a target and a location";
- }
-
- // Only add if we don't already know about this device
- if (!this._devices.has(aDevice.id)) {
- this._devices.set(aDevice.id, aDevice);
- } else {
- log("device was already registered: " + aDevice.id);
- }
- },
-
- unregisterDevice: function unregisterDevice(aDevice) {
- // We must have "id", "target" and "factory" defined
- if (!("id" in aDevice) || !("target" in aDevice) || !("factory" in aDevice)) {
- return;
- }
-
- // Only remove if we know about this device
- if (this._devices.has(aDevice.id)) {
- this._devices.delete(aDevice.id);
- } else {
- log("device was not registered: " + aDevice.id);
- }
- },
-
- findAppForService: function findAppForService(aService) {
- if (!aService || !aService.deviceID) {
- return null;
- }
-
- // Find the registration for the device
- if (this._devices.has(aService.deviceID)) {
- return this._devices.get(aService.deviceID).factory(aService);
- }
- return null;
- },
-
- findServiceForID: function findServiceForID(aUUID) {
- if (this._services.has(aUUID)) {
- return this._services.get(aUUID);
- }
- return null;
- },
-
- // Returns an array copy of the active services
- get services() {
- let array = [];
- for (let [key, service] of this._services) {
- let target = this._devices.get(service.deviceID);
- service.extensions = target.extensions;
- service.types = target.types;
- array.push(service);
- }
- return array;
- },
-
- // Returns false if the service does not match the device's filters
- _filterService: function _filterService(aService) {
- // Loop over all the devices, looking for one that matches the service
- for (let [key, device] of this._devices) {
- // First level of match is on the target itself
- if (device.target != aService.target) {
- continue;
- }
-
- // If we have no filter, everything passes
- if (!("filters" in device)) {
- aService.deviceID = device.id;
- return true;
- }
-
- // If all the filters pass, we have a match
- let failed = false;
- let filters = device.filters;
- for (let filter in filters) {
- if (filter in aService && aService[filter] != filters[filter]) {
- failed = true;
- }
- }
-
- // We found a match, so link the service to the device
- if (!failed) {
- aService.deviceID = device.id;
- return true;
- }
- }
-
- // We didn't find any matches
- return false;
- },
-
- _processService: function _processService(aService) {
- // Use the REST api to request more information about this service
- let xhr = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
- xhr.open("GET", aService.location, true);
- xhr.channel.loadFlags |= Ci.nsIRequest.INHIBIT_CACHING;
- xhr.overrideMimeType("text/xml");
-
- xhr.addEventListener("load", (function() {
- if (xhr.status == 200) {
- let doc = xhr.responseXML;
- aService.appsURL = xhr.getResponseHeader("Application-URL");
- if (aService.appsURL && !aService.appsURL.endsWith("/"))
- aService.appsURL += "/";
- aService.friendlyName = doc.querySelector("friendlyName").textContent;
- aService.uuid = doc.querySelector("UDN").textContent;
- aService.manufacturer = doc.querySelector("manufacturer").textContent;
- aService.modelName = doc.querySelector("modelName").textContent;
-
- this.addService(aService);
- }
- }).bind(this), false);
-
- xhr.send(null);
- },
-
- // Add a service to the WeakMap, even if one already exists with this id.
- // Returns true if this succeeded or false if it failed
- _addService: function(service) {
- // Filter out services that do not match the device filter
- if (!this._filterService(service)) {
- return false;
- }
-
- let device = this._devices.get(service.target);
- if (device && device.mirror) {
- service.mirror = true;
- }
- this._services.set(service.uuid, service);
- return true;
- },
-
- addService: function(service) {
- // Only add and notify if we don't already know about this service
- if (!this._services.has(service.uuid)) {
- if (!this._addService(service)) {
- return;
- }
- Services.obs.notifyObservers(null, EVENT_SERVICE_FOUND, service.uuid);
- }
-
- // Make sure we remember this service is not stale
- this._services.get(service.uuid).lastPing = this._searchTimestamp;
- },
-
- removeService: function(uuid) {
- Services.obs.notifyObservers(null, EVENT_SERVICE_LOST, uuid);
- this._services.delete(uuid);
- },
-
- updateService: function(service) {
- if (!this._addService(service)) {
- return;
- }
-
- // Make sure we remember this service is not stale
- this._services.get(service.uuid).lastPing = this._searchTimestamp;
- },
-
- addExternalDiscovery: function(discovery) {
- this._discoveryMethods.push(discovery);
- },
-
- _startExternalDiscovery: function() {
- for (let discovery of this._discoveryMethods) {
- discovery.startDiscovery();
- }
- },
-
- _stopExternalDiscovery: function() {
- for (let discovery of this._discoveryMethods) {
- discovery.stopDiscovery();
- }
- },
-}