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-rw-r--r--dom/presentation/provider/AndroidCastDeviceProvider.js461
-rw-r--r--dom/presentation/provider/AndroidCastDeviceProvider.manifest4
-rw-r--r--dom/presentation/provider/BuiltinProviders.manifest2
-rw-r--r--dom/presentation/provider/ControllerStateMachine.jsm240
-rw-r--r--dom/presentation/provider/DeviceProviderHelpers.cpp57
-rw-r--r--dom/presentation/provider/DeviceProviderHelpers.h30
-rw-r--r--dom/presentation/provider/DisplayDeviceProvider.cpp580
-rw-r--r--dom/presentation/provider/DisplayDeviceProvider.h136
-rw-r--r--dom/presentation/provider/LegacyMDNSDeviceProvider.cpp774
-rw-r--r--dom/presentation/provider/LegacyMDNSDeviceProvider.h191
-rw-r--r--dom/presentation/provider/LegacyPresentationControlService.js488
-rw-r--r--dom/presentation/provider/LegacyProviders.manifest2
-rw-r--r--dom/presentation/provider/MulticastDNSDeviceProvider.cpp1249
-rw-r--r--dom/presentation/provider/MulticastDNSDeviceProvider.h225
-rw-r--r--dom/presentation/provider/PresentationControlService.js961
-rw-r--r--dom/presentation/provider/PresentationDeviceProviderModule.cpp90
-rw-r--r--dom/presentation/provider/ReceiverStateMachine.jsm238
-rw-r--r--dom/presentation/provider/StateMachineHelper.jsm39
-rw-r--r--dom/presentation/provider/moz.build40
-rw-r--r--dom/presentation/provider/nsTCPDeviceInfo.h77
20 files changed, 5884 insertions, 0 deletions
diff --git a/dom/presentation/provider/AndroidCastDeviceProvider.js b/dom/presentation/provider/AndroidCastDeviceProvider.js
new file mode 100644
index 000000000..cf555f77b
--- /dev/null
+++ b/dom/presentation/provider/AndroidCastDeviceProvider.js
@@ -0,0 +1,461 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+/* jshint esnext:true, globalstrict:true, moz:true, undef:true, unused:true */
+/* globals Components, dump */
+"use strict";
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+// globals XPCOMUtils
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+// globals Services
+Cu.import("resource://gre/modules/Services.jsm");
+// globals Messaging
+Cu.import("resource://gre/modules/Messaging.jsm");
+
+function log(str) {
+ // dump("-*- AndroidCastDeviceProvider -*-: " + str + "\n");
+}
+
+// Helper function: transfer nsIPresentationChannelDescription to json
+function descriptionToString(aDescription) {
+ let json = {};
+ json.type = aDescription.type;
+ switch(aDescription.type) {
+ case Ci.nsIPresentationChannelDescription.TYPE_TCP:
+ let addresses = aDescription.tcpAddress.QueryInterface(Ci.nsIArray);
+ json.tcpAddress = [];
+ for (let idx = 0; idx < addresses.length; idx++) {
+ let address = addresses.queryElementAt(idx, Ci.nsISupportsCString);
+ json.tcpAddress.push(address.data);
+ }
+ json.tcpPort = aDescription.tcpPort;
+ break;
+ case Ci.nsIPresentationChannelDescription.TYPE_DATACHANNEL:
+ json.dataChannelSDP = aDescription.dataChannelSDP;
+ break;
+ }
+ return JSON.stringify(json);
+}
+
+const TOPIC_ANDROID_CAST_DEVICE_SYNCDEVICE = "AndroidCastDevice:SyncDevice";
+const TOPIC_ANDROID_CAST_DEVICE_ADDED = "AndroidCastDevice:Added";
+const TOPIC_ANDROID_CAST_DEVICE_REMOVED = "AndroidCastDevice:Removed";
+const TOPIC_ANDROID_CAST_DEVICE_START = "AndroidCastDevice:Start";
+const TOPIC_ANDROID_CAST_DEVICE_STOP = "AndroidCastDevice:Stop";
+const TOPIC_PRESENTATION_VIEW_READY = "presentation-view-ready";
+
+function LocalControlChannel(aProvider, aDeviceId, aRole) {
+ log("LocalControlChannel - create new LocalControlChannel for : "
+ + aRole);
+ this._provider = aProvider;
+ this._deviceId = aDeviceId;
+ this._role = aRole;
+}
+
+LocalControlChannel.prototype = {
+ _listener: null,
+ _provider: null,
+ _deviceId: null,
+ _role: null,
+ _isOnTerminating: false,
+ _isOnDisconnecting: false,
+ _pendingConnected: false,
+ _pendingDisconnect: null,
+ _pendingOffer: null,
+ _pendingCandidate: null,
+ /* For the controller, it would be the control channel of the receiver.
+ * For the receiver, it would be the control channel of the controller. */
+ _correspondingControlChannel: null,
+
+ set correspondingControlChannel(aCorrespondingControlChannel) {
+ this._correspondingControlChannel = aCorrespondingControlChannel;
+ },
+
+ get correspondingControlChannel() {
+ return this._correspondingControlChannel;
+ },
+
+ notifyConnected: function LCC_notifyConnected() {
+ this._pendingDisconnect = null;
+
+ if (!this._listener) {
+ this._pendingConnected = true;
+ } else {
+ this._listener.notifyConnected();
+ }
+ },
+
+ onOffer: function LCC_onOffer(aOffer) {
+ if (this._role == Ci.nsIPresentationService.ROLE_CONTROLLER) {
+ log("LocalControlChannel - onOffer of controller should not be called.");
+ return;
+ }
+ if (!this._listener) {
+ this._pendingOffer = aOffer;
+ } else {
+ this._listener.onOffer(aOffer);
+ }
+ },
+
+ onAnswer: function LCC_onAnswer(aAnswer) {
+ if (this._role == Ci.nsIPresentationService.ROLE_RECEIVER) {
+ log("LocalControlChannel - onAnswer of receiver should not be called.");
+ return;
+ }
+ this._listener.onAnswer(aAnswer);
+ },
+
+ notifyIceCandidate: function LCC_notifyIceCandidate(aCandidate) {
+ if (!this._listener) {
+ this._pendingCandidate = aCandidate;
+ } else {
+ this._listener.onIceCandidate(aCandidate);
+ }
+ },
+
+ // nsIPresentationControlChannel
+ get listener() {
+ return this._listener;
+ },
+
+ set listener(aListener) {
+ this._listener = aListener;
+
+ if (!this._listener) {
+ return;
+ }
+
+ if (this._pendingConnected) {
+ this.notifyConnected();
+ this._pendingConnected = false;
+ }
+
+ if (this._pendingOffer) {
+ this.onOffer(this._pendingOffer);
+ this._pendingOffer = null;
+ }
+
+ if (this._pendingCandidate) {
+ this.notifyIceCandidate(this._pendingCandidate);
+ this._pendingCandidate = null;
+ }
+
+ if (this._pendingDisconnect != null) {
+ this.disconnect(this._pendingDisconnect);
+ this._pendingDisconnect = null;
+ }
+ },
+
+ sendOffer: function LCC_sendOffer(aOffer) {
+ if (this._role == Ci.nsIPresentationService.ROLE_RECEIVER) {
+ log("LocalControlChannel - sendOffer of receiver should not be called.");
+ return;
+ }
+ log("LocalControlChannel - sendOffer aOffer=" + descriptionToString(aOffer));
+ this._correspondingControlChannel.onOffer(aOffer);
+ },
+
+ sendAnswer: function LCC_sendAnswer(aAnswer) {
+ if (this._role == Ci.nsIPresentationService.ROLE_CONTROLLER) {
+ log("LocalControlChannel - sendAnswer of controller should not be called.");
+ return;
+ }
+ log("LocalControlChannel - sendAnswer aAnswer=" + descriptionToString(aAnswer));
+ this._correspondingControlChannel.onAnswer(aAnswer);
+ },
+
+ sendIceCandidate: function LCC_sendIceCandidate(aCandidate) {
+ log("LocalControlChannel - sendAnswer aCandidate=" + aCandidate);
+ this._correspondingControlChannel.notifyIceCandidate(aCandidate);
+ },
+
+ launch: function LCC_launch(aPresentationId, aUrl) {
+ log("LocalControlChannel - launch aPresentationId="
+ + aPresentationId + " aUrl=" + aUrl);
+ // Create control channel for receiver directly.
+ let controlChannel = new LocalControlChannel(this._provider,
+ this._deviceId,
+ Ci.nsIPresentationService.ROLE_RECEIVER);
+
+ // Set up the corresponding control channels for both controller and receiver.
+ this._correspondingControlChannel = controlChannel;
+ controlChannel._correspondingControlChannel = this;
+
+ this._provider.onSessionRequest(this._deviceId,
+ aUrl,
+ aPresentationId,
+ controlChannel);
+ controlChannel.notifyConnected();
+ },
+
+ terminate: function LCC_terminate(aPresentationId) {
+ log("LocalControlChannel - terminate aPresentationId="
+ + aPresentationId);
+
+ if (this._isOnTerminating) {
+ return;
+ }
+
+ // Create control channel for corresponding role directly.
+ let correspondingRole = this._role == Ci.nsIPresentationService.ROLE_CONTROLLER
+ ? Ci.nsIPresentationService.ROLE_RECEIVER
+ : Ci.nsIPresentationService.ROLE_CONTROLLER;
+ let controlChannel = new LocalControlChannel(this._provider,
+ this._deviceId,
+ correspondingRole);
+ // Prevent the termination recursion.
+ controlChannel._isOnTerminating = true;
+
+ // Set up the corresponding control channels for both controller and receiver.
+ this._correspondingControlChannel = controlChannel;
+ controlChannel._correspondingControlChannel = this;
+
+ this._provider.onTerminateRequest(this._deviceId,
+ aPresentationId,
+ controlChannel,
+ this._role == Ci.nsIPresentationService.ROLE_RECEIVER);
+ controlChannel.notifyConnected();
+ },
+
+ disconnect: function LCC_disconnect(aReason) {
+ log("LocalControlChannel - disconnect aReason=" + aReason);
+
+ if (this._isOnDisconnecting) {
+ return;
+ }
+
+ this._pendingOffer = null;
+ this._pendingCandidate = null;
+ this._pendingConnected = false;
+
+ // this._pendingDisconnect is a nsresult.
+ // If it is null, it means no pending disconnect.
+ // If it is NS_OK, it means this control channel is disconnected normally.
+ // If it is other nsresult value, it means this control channel is
+ // disconnected abnormally.
+
+ // Remote endpoint closes the control channel with abnormal reason.
+ if (aReason == Cr.NS_OK &&
+ this._pendingDisconnect != null &&
+ this._pendingDisconnect != Cr.NS_OK) {
+ aReason = this._pendingDisconnect;
+ }
+
+ if (!this._listener) {
+ this._pendingDisconnect = aReason;
+ return;
+ }
+
+ this._isOnDisconnecting = true;
+ this._correspondingControlChannel.disconnect(aReason);
+ this._listener.notifyDisconnected(aReason);
+ },
+
+ reconnect: function LCC_reconnect(aPresentationId, aUrl) {
+ log("1-UA on Android doesn't support reconnect.");
+ throw Cr.NS_ERROR_FAILURE;
+ },
+
+ classID: Components.ID("{c9be9450-e5c7-4294-a287-376971b017fd}"),
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationControlChannel]),
+};
+
+function ChromecastRemoteDisplayDevice(aProvider, aId, aName, aRole) {
+ this._provider = aProvider;
+ this._id = aId;
+ this._name = aName;
+ this._role = aRole;
+}
+
+ChromecastRemoteDisplayDevice.prototype = {
+ _id: null,
+ _name: null,
+ _role: null,
+ _provider: null,
+ _ctrlChannel: null,
+
+ update: function CRDD_update(aName) {
+ this._name = aName || this._name;
+ },
+
+ // nsIPresentationDevice
+ get id() { return this._id; },
+
+ get name() { return this._name; },
+
+ get type() { return "chromecast"; },
+
+ establishControlChannel: function CRDD_establishControlChannel() {
+ this._ctrlChannel = new LocalControlChannel(this._provider,
+ this._id,
+ this._role);
+
+ if (this._role == Ci.nsIPresentationService.ROLE_CONTROLLER) {
+ // Only connect to Chromecast for controller.
+ // Monitor the receiver being ready.
+ Services.obs.addObserver(this, TOPIC_PRESENTATION_VIEW_READY, true);
+
+ // Launch Chromecast service in Android.
+ Messaging.sendRequestForResult({
+ type: TOPIC_ANDROID_CAST_DEVICE_START,
+ id: this.id
+ }).then(result => {
+ log("Chromecast is connected.");
+ }).catch(error => {
+ log("Can not connect to Chromecast.");
+ // If Chromecast can not be launched, remove the observer.
+ Services.obs.removeObserver(this, TOPIC_PRESENTATION_VIEW_READY);
+ this._ctrlChannel.disconnect(Cr.NS_ERROR_FAILURE);
+ });
+ } else {
+ // If establishControlChannel called from the receiver, we don't need to
+ // wait the 'presentation-view-ready' event.
+ this._ctrlChannel.notifyConnected();
+ }
+
+ return this._ctrlChannel;
+ },
+
+ disconnect: function CRDD_disconnect() {
+ // Disconnect from Chromecast.
+ Messaging.sendRequestForResult({
+ type: TOPIC_ANDROID_CAST_DEVICE_STOP,
+ id: this.id
+ });
+ },
+
+ isRequestedUrlSupported: function CRDD_isRequestedUrlSupported(aUrl) {
+ let url = Cc["@mozilla.org/network/io-service;1"]
+ .getService(Ci.nsIIOService)
+ .newURI(aUrl, null, null);
+ return url.scheme == "http" || url.scheme == "https";
+ },
+
+ // nsIPresentationLocalDevice
+ get windowId() { return this._id; },
+
+ // nsIObserver
+ observe: function CRDD_observe(aSubject, aTopic, aData) {
+ if (aTopic == TOPIC_PRESENTATION_VIEW_READY) {
+ log("ChromecastRemoteDisplayDevice - observe: aTopic="
+ + aTopic + " data=" + aData);
+ if (this.windowId === aData) {
+ Services.obs.removeObserver(this, TOPIC_PRESENTATION_VIEW_READY);
+ this._ctrlChannel.notifyConnected();
+ }
+ }
+ },
+
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationDevice,
+ Ci.nsIPresentationLocalDevice,
+ Ci.nsISupportsWeakReference,
+ Ci.nsIObserver]),
+};
+
+function AndroidCastDeviceProvider() {
+}
+
+AndroidCastDeviceProvider.prototype = {
+ _listener: null,
+ _deviceList: new Map(),
+
+ onSessionRequest: function APDP_onSessionRequest(aDeviceId,
+ aUrl,
+ aPresentationId,
+ aControlChannel) {
+ log("AndroidCastDeviceProvider - onSessionRequest"
+ + " aDeviceId=" + aDeviceId);
+ let device = this._deviceList.get(aDeviceId);
+ let receiverDevice = new ChromecastRemoteDisplayDevice(this,
+ device.id,
+ device.name,
+ Ci.nsIPresentationService.ROLE_RECEIVER);
+ this._listener.onSessionRequest(receiverDevice,
+ aUrl,
+ aPresentationId,
+ aControlChannel);
+ },
+
+ onTerminateRequest: function APDP_onTerminateRequest(aDeviceId,
+ aPresentationId,
+ aControlChannel,
+ aIsFromReceiver) {
+ log("AndroidCastDeviceProvider - onTerminateRequest"
+ + " aDeviceId=" + aDeviceId
+ + " aPresentationId=" + aPresentationId
+ + " aIsFromReceiver=" + aIsFromReceiver);
+ let device = this._deviceList.get(aDeviceId);
+ this._listener.onTerminateRequest(device,
+ aPresentationId,
+ aControlChannel,
+ aIsFromReceiver);
+ },
+
+ // nsIPresentationDeviceProvider
+ set listener(aListener) {
+ this._listener = aListener;
+
+ // When unload this provider.
+ if (!this._listener) {
+ // remove observer
+ Services.obs.removeObserver(this, TOPIC_ANDROID_CAST_DEVICE_ADDED);
+ Services.obs.removeObserver(this, TOPIC_ANDROID_CAST_DEVICE_REMOVED);
+ return;
+ }
+
+ // Sync all device already found by Android.
+ Services.obs.notifyObservers(null, TOPIC_ANDROID_CAST_DEVICE_SYNCDEVICE, "");
+ // Observer registration
+ Services.obs.addObserver(this, TOPIC_ANDROID_CAST_DEVICE_ADDED, false);
+ Services.obs.addObserver(this, TOPIC_ANDROID_CAST_DEVICE_REMOVED, false);
+ },
+
+ get listener() {
+ return this._listener;
+ },
+
+ forceDiscovery: function APDP_forceDiscovery() {
+ // There is no API to do force discovery in Android SDK.
+ },
+
+ // nsIObserver
+ observe: function APDP_observe(aSubject, aTopic, aData) {
+ switch (aTopic) {
+ case TOPIC_ANDROID_CAST_DEVICE_ADDED: {
+ let deviceInfo = JSON.parse(aData);
+ let deviceId = deviceInfo.uuid;
+
+ if (!this._deviceList.has(deviceId)) {
+ let device = new ChromecastRemoteDisplayDevice(this,
+ deviceInfo.uuid,
+ deviceInfo.friendlyName,
+ Ci.nsIPresentationService.ROLE_CONTROLLER);
+ this._deviceList.set(device.id, device);
+ this._listener.addDevice(device);
+ } else {
+ let device = this._deviceList.get(deviceId);
+ device.update(deviceInfo.friendlyName);
+ this._listener.updateDevice(device);
+ }
+ break;
+ }
+ case TOPIC_ANDROID_CAST_DEVICE_REMOVED: {
+ let deviceId = aData;
+ let device = this._deviceList.get(deviceId);
+ this._listener.removeDevice(device);
+ this._deviceList.delete(deviceId);
+ break;
+ }
+ }
+ },
+
+ classID: Components.ID("{7394f24c-dbc3-48c8-8a47-cd10169b7c6b}"),
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
+ Ci.nsIPresentationDeviceProvider]),
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([AndroidCastDeviceProvider]);
diff --git a/dom/presentation/provider/AndroidCastDeviceProvider.manifest b/dom/presentation/provider/AndroidCastDeviceProvider.manifest
new file mode 100644
index 000000000..db2aa101b
--- /dev/null
+++ b/dom/presentation/provider/AndroidCastDeviceProvider.manifest
@@ -0,0 +1,4 @@
+# AndroidCastDeviceProvider.js
+component {7394f24c-dbc3-48c8-8a47-cd10169b7c6b} AndroidCastDeviceProvider.js
+contract @mozilla.org/presentation-device/android-cast-device-provider;1 {7394f24c-dbc3-48c8-8a47-cd10169b7c6b}
+category presentation-device-provider AndroidCastDeviceProvider @mozilla.org/presentation-device/android-cast-device-provider;1
diff --git a/dom/presentation/provider/BuiltinProviders.manifest b/dom/presentation/provider/BuiltinProviders.manifest
new file mode 100644
index 000000000..0ba7bcaa7
--- /dev/null
+++ b/dom/presentation/provider/BuiltinProviders.manifest
@@ -0,0 +1,2 @@
+component {f4079b8b-ede5-4b90-a112-5b415a931deb} PresentationControlService.js
+contract @mozilla.org/presentation/control-service;1 {f4079b8b-ede5-4b90-a112-5b415a931deb}
diff --git a/dom/presentation/provider/ControllerStateMachine.jsm b/dom/presentation/provider/ControllerStateMachine.jsm
new file mode 100644
index 000000000..b568a8e9a
--- /dev/null
+++ b/dom/presentation/provider/ControllerStateMachine.jsm
@@ -0,0 +1,240 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+/* jshint esnext:true, globalstrict:true, moz:true, undef:true, unused:true */
+/* globals Components, dump */
+
+"use strict";
+
+this.EXPORTED_SYMBOLS = ["ControllerStateMachine"]; // jshint ignore:line
+
+const { utils: Cu } = Components;
+
+/* globals State, CommandType */
+Cu.import("resource://gre/modules/presentation/StateMachineHelper.jsm");
+
+const DEBUG = false;
+function debug(str) {
+ dump("-*- ControllerStateMachine: " + str + "\n");
+}
+
+var handlers = [
+ function _initHandler(stateMachine, command) {
+ // shouldn't receive any command at init state.
+ DEBUG && debug("unexpected command: " + JSON.stringify(command)); // jshint ignore:line
+ },
+ function _connectingHandler(stateMachine, command) {
+ switch (command.type) {
+ case CommandType.CONNECT_ACK:
+ stateMachine.state = State.CONNECTED;
+ stateMachine._notifyDeviceConnected();
+ break;
+ case CommandType.DISCONNECT:
+ stateMachine.state = State.CLOSED;
+ stateMachine._notifyDisconnected(command.reason);
+ break;
+ default:
+ debug("unexpected command: " + JSON.stringify(command));
+ // ignore unexpected command.
+ break;
+ }
+ },
+ function _connectedHandler(stateMachine, command) {
+ switch (command.type) {
+ case CommandType.DISCONNECT:
+ stateMachine.state = State.CLOSED;
+ stateMachine._notifyDisconnected(command.reason);
+ break;
+ case CommandType.LAUNCH_ACK:
+ stateMachine._notifyLaunch(command.presentationId);
+ break;
+ case CommandType.TERMINATE:
+ stateMachine._notifyTerminate(command.presentationId);
+ break;
+ case CommandType.TERMINATE_ACK:
+ stateMachine._notifyTerminate(command.presentationId);
+ break;
+ case CommandType.ANSWER:
+ case CommandType.ICE_CANDIDATE:
+ stateMachine._notifyChannelDescriptor(command);
+ break;
+ case CommandType.RECONNECT_ACK:
+ stateMachine._notifyReconnect(command.presentationId);
+ break;
+ default:
+ debug("unexpected command: " + JSON.stringify(command));
+ // ignore unexpected command.
+ break;
+ }
+ },
+ function _closingHandler(stateMachine, command) {
+ switch (command.type) {
+ case CommandType.DISCONNECT:
+ stateMachine.state = State.CLOSED;
+ stateMachine._notifyDisconnected(command.reason);
+ break;
+ default:
+ debug("unexpected command: " + JSON.stringify(command));
+ // ignore unexpected command.
+ break;
+ }
+ },
+ function _closedHandler(stateMachine, command) {
+ // ignore every command in closed state.
+ DEBUG && debug("unexpected command: " + JSON.stringify(command)); // jshint ignore:line
+ },
+];
+
+function ControllerStateMachine(channel, deviceId) {
+ this.state = State.INIT;
+ this._channel = channel;
+ this._deviceId = deviceId;
+}
+
+ControllerStateMachine.prototype = {
+ launch: function _launch(presentationId, url) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.LAUNCH,
+ presentationId: presentationId,
+ url: url,
+ });
+ }
+ },
+
+ terminate: function _terminate(presentationId) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.TERMINATE,
+ presentationId: presentationId,
+ });
+ }
+ },
+
+ terminateAck: function _terminateAck(presentationId) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.TERMINATE_ACK,
+ presentationId: presentationId,
+ });
+ }
+ },
+
+ reconnect: function _reconnect(presentationId, url) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.RECONNECT,
+ presentationId: presentationId,
+ url: url,
+ });
+ }
+ },
+
+ sendOffer: function _sendOffer(offer) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.OFFER,
+ offer: offer,
+ });
+ }
+ },
+
+ sendAnswer: function _sendAnswer() {
+ // answer can only be sent by presenting UA.
+ debug("controller shouldn't generate answer");
+ },
+
+ updateIceCandidate: function _updateIceCandidate(candidate) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.ICE_CANDIDATE,
+ candidate: candidate,
+ });
+ }
+ },
+
+ onCommand: function _onCommand(command) {
+ handlers[this.state](this, command);
+ },
+
+ onChannelReady: function _onChannelReady() {
+ if (this.state === State.INIT) {
+ this._sendCommand({
+ type: CommandType.CONNECT,
+ deviceId: this._deviceId
+ });
+ this.state = State.CONNECTING;
+ }
+ },
+
+ onChannelClosed: function _onChannelClose(reason, isByRemote) {
+ switch (this.state) {
+ case State.CONNECTED:
+ if (isByRemote) {
+ this.state = State.CLOSED;
+ this._notifyDisconnected(reason);
+ } else {
+ this._sendCommand({
+ type: CommandType.DISCONNECT,
+ reason: reason
+ });
+ this.state = State.CLOSING;
+ this._closeReason = reason;
+ }
+ break;
+ case State.CLOSING:
+ if (isByRemote) {
+ this.state = State.CLOSED;
+ if (this._closeReason) {
+ reason = this._closeReason;
+ delete this._closeReason;
+ }
+ this._notifyDisconnected(reason);
+ }
+ break;
+ default:
+ DEBUG && debug("unexpected channel close: " + reason + ", " + isByRemote); // jshint ignore:line
+ break;
+ }
+ },
+
+ _sendCommand: function _sendCommand(command) {
+ this._channel.sendCommand(command);
+ },
+
+ _notifyDeviceConnected: function _notifyDeviceConnected() {
+ //XXX trigger following command
+ this._channel.notifyDeviceConnected();
+ },
+
+ _notifyDisconnected: function _notifyDisconnected(reason) {
+ this._channel.notifyDisconnected(reason);
+ },
+
+ _notifyLaunch: function _notifyLaunch(presentationId) {
+ this._channel.notifyLaunch(presentationId);
+ },
+
+ _notifyTerminate: function _notifyTerminate(presentationId) {
+ this._channel.notifyTerminate(presentationId);
+ },
+
+ _notifyReconnect: function _notifyReconnect(presentationId) {
+ this._channel.notifyReconnect(presentationId);
+ },
+
+ _notifyChannelDescriptor: function _notifyChannelDescriptor(command) {
+ switch (command.type) {
+ case CommandType.ANSWER:
+ this._channel.notifyAnswer(command.answer);
+ break;
+ case CommandType.ICE_CANDIDATE:
+ this._channel.notifyIceCandidate(command.candidate);
+ break;
+ }
+ },
+};
+
+this.ControllerStateMachine = ControllerStateMachine; // jshint ignore:line
diff --git a/dom/presentation/provider/DeviceProviderHelpers.cpp b/dom/presentation/provider/DeviceProviderHelpers.cpp
new file mode 100644
index 000000000..00b2c12f1
--- /dev/null
+++ b/dom/presentation/provider/DeviceProviderHelpers.cpp
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "DeviceProviderHelpers.h"
+
+#include "nsCOMPtr.h"
+#include "nsIURI.h"
+#include "nsNetUtil.h"
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+
+static const char* const kFxTVPresentationAppUrls[] = {
+ "app://fling-player.gaiamobile.org/index.html",
+ "app://notification-receiver.gaiamobile.org/index.html",
+ nullptr
+};
+
+/* static */ bool
+DeviceProviderHelpers::IsCommonlySupportedScheme(const nsAString& aUrl)
+{
+ nsCOMPtr<nsIURI> uri;
+ nsresult rv = NS_NewURI(getter_AddRefs(uri), aUrl);
+ if (NS_FAILED(rv) || !uri) {
+ return false;
+ }
+
+ nsAutoCString scheme;
+ uri->GetScheme(scheme);
+ if (scheme.LowerCaseEqualsLiteral("http") ||
+ scheme.LowerCaseEqualsLiteral("https")) {
+ return true;
+ }
+
+ return false;
+}
+
+/* static */ bool
+DeviceProviderHelpers::IsFxTVSupportedAppUrl(const nsAString& aUrl)
+{
+ // Check if matched with any presentation Apps on TV.
+ for (uint32_t i = 0; kFxTVPresentationAppUrls[i]; i++) {
+ if (aUrl.EqualsASCII(kFxTVPresentationAppUrls[i])) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/presentation/provider/DeviceProviderHelpers.h b/dom/presentation/provider/DeviceProviderHelpers.h
new file mode 100644
index 000000000..4bde09bed
--- /dev/null
+++ b/dom/presentation/provider/DeviceProviderHelpers.h
@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_dom_presentation_DeviceProviderHelpers_h
+#define mozilla_dom_presentation_DeviceProviderHelpers_h
+
+#include "nsString.h"
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+
+class DeviceProviderHelpers final
+{
+public:
+ static bool IsCommonlySupportedScheme(const nsAString& aUrl);
+ static bool IsFxTVSupportedAppUrl(const nsAString& aUrl);
+
+private:
+ DeviceProviderHelpers() = delete;
+};
+
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_presentation_DeviceProviderHelpers_h
diff --git a/dom/presentation/provider/DisplayDeviceProvider.cpp b/dom/presentation/provider/DisplayDeviceProvider.cpp
new file mode 100644
index 000000000..3f88aba5e
--- /dev/null
+++ b/dom/presentation/provider/DisplayDeviceProvider.cpp
@@ -0,0 +1,580 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "DisplayDeviceProvider.h"
+
+#include "DeviceProviderHelpers.h"
+#include "mozilla/Logging.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/Services.h"
+#include "mozilla/Unused.h"
+#include "nsIObserverService.h"
+#include "nsIServiceManager.h"
+#include "nsIWindowWatcher.h"
+#include "nsNetUtil.h"
+#include "nsPIDOMWindow.h"
+#include "nsSimpleURI.h"
+#include "nsTCPDeviceInfo.h"
+#include "nsThreadUtils.h"
+
+static mozilla::LazyLogModule gDisplayDeviceProviderLog("DisplayDeviceProvider");
+
+#define LOG(format) MOZ_LOG(gDisplayDeviceProviderLog, mozilla::LogLevel::Debug, format)
+
+#define DISPLAY_CHANGED_NOTIFICATION "display-changed"
+#define DEFAULT_CHROME_FEATURES_PREF "toolkit.defaultChromeFeatures"
+#define CHROME_REMOTE_URL_PREF "b2g.multiscreen.chrome_remote_url"
+#define PREF_PRESENTATION_DISCOVERABLE_RETRY_MS "dom.presentation.discoverable.retry_ms"
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+
+/**
+ * This wrapper is used to break circular-reference problem.
+ */
+class DisplayDeviceProviderWrappedListener final
+ : public nsIPresentationControlServerListener
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_FORWARD_SAFE_NSIPRESENTATIONCONTROLSERVERLISTENER(mListener)
+
+ explicit DisplayDeviceProviderWrappedListener() = default;
+
+ nsresult SetListener(DisplayDeviceProvider* aListener)
+ {
+ mListener = aListener;
+ return NS_OK;
+ }
+
+private:
+ virtual ~DisplayDeviceProviderWrappedListener() = default;
+
+ DisplayDeviceProvider* mListener = nullptr;
+};
+
+NS_IMPL_ISUPPORTS(DisplayDeviceProviderWrappedListener,
+ nsIPresentationControlServerListener)
+
+NS_IMPL_ISUPPORTS(DisplayDeviceProvider::HDMIDisplayDevice,
+ nsIPresentationDevice,
+ nsIPresentationLocalDevice)
+
+// nsIPresentationDevice
+NS_IMETHODIMP
+DisplayDeviceProvider::HDMIDisplayDevice::GetId(nsACString& aId)
+{
+ aId = mWindowId;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::HDMIDisplayDevice::GetName(nsACString& aName)
+{
+ aName = mName;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::HDMIDisplayDevice::GetType(nsACString& aType)
+{
+ aType = mType;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::HDMIDisplayDevice::GetWindowId(nsACString& aWindowId)
+{
+ aWindowId = mWindowId;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::HDMIDisplayDevice
+ ::EstablishControlChannel(nsIPresentationControlChannel** aControlChannel)
+{
+ nsresult rv = OpenTopLevelWindow();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ RefPtr<DisplayDeviceProvider> provider = mProvider.get();
+ if (NS_WARN_IF(!provider)) {
+ return NS_ERROR_FAILURE;
+ }
+ return provider->Connect(this, aControlChannel);
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::HDMIDisplayDevice::Disconnect()
+{
+ nsresult rv = CloseTopLevelWindow();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_OK;;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::HDMIDisplayDevice::IsRequestedUrlSupported(
+ const nsAString& aRequestedUrl,
+ bool* aRetVal)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!aRetVal) {
+ return NS_ERROR_INVALID_POINTER;
+ }
+
+ // 1-UA device only supports HTTP/HTTPS hosted receiver page.
+ *aRetVal = DeviceProviderHelpers::IsCommonlySupportedScheme(aRequestedUrl);
+
+ return NS_OK;
+}
+
+nsresult
+DisplayDeviceProvider::HDMIDisplayDevice::OpenTopLevelWindow()
+{
+ MOZ_ASSERT(!mWindow);
+
+ nsresult rv;
+ nsAutoCString flags(Preferences::GetCString(DEFAULT_CHROME_FEATURES_PREF));
+ if (flags.IsEmpty()) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ flags.AppendLiteral(",mozDisplayId=");
+ flags.AppendInt(mScreenId);
+
+ nsAutoCString remoteShellURLString(Preferences::GetCString(CHROME_REMOTE_URL_PREF));
+ remoteShellURLString.AppendLiteral("#");
+ remoteShellURLString.Append(mWindowId);
+
+ // URI validation
+ nsCOMPtr<nsIURI> remoteShellURL;
+ rv = NS_NewURI(getter_AddRefs(remoteShellURL), remoteShellURLString);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ rv = remoteShellURL->GetSpec(remoteShellURLString);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ nsCOMPtr<nsIWindowWatcher> ww = do_GetService(NS_WINDOWWATCHER_CONTRACTID);
+ MOZ_ASSERT(ww);
+
+ rv = ww->OpenWindow(nullptr,
+ remoteShellURLString.get(),
+ "_blank",
+ flags.get(),
+ nullptr,
+ getter_AddRefs(mWindow));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+DisplayDeviceProvider::HDMIDisplayDevice::CloseTopLevelWindow()
+{
+ MOZ_ASSERT(mWindow);
+
+ nsCOMPtr<nsPIDOMWindowOuter> piWindow = nsPIDOMWindowOuter::From(mWindow);
+ nsresult rv = piWindow->Close();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(DisplayDeviceProvider,
+ nsIObserver,
+ nsIPresentationDeviceProvider,
+ nsIPresentationControlServerListener)
+
+DisplayDeviceProvider::~DisplayDeviceProvider()
+{
+ Uninit();
+}
+
+nsresult
+DisplayDeviceProvider::Init()
+{
+ // Provider must be initialized only once.
+ if (mInitialized) {
+ return NS_OK;
+ }
+
+ nsresult rv;
+
+ mServerRetryMs = Preferences::GetUint(PREF_PRESENTATION_DISCOVERABLE_RETRY_MS);
+ mServerRetryTimer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+ MOZ_ASSERT(obs);
+
+ obs->AddObserver(this, DISPLAY_CHANGED_NOTIFICATION, false);
+
+ mDevice = new HDMIDisplayDevice(this);
+
+ mWrappedListener = new DisplayDeviceProviderWrappedListener();
+ rv = mWrappedListener->SetListener(this);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mPresentationService = do_CreateInstance(PRESENTATION_CONTROL_SERVICE_CONTACT_ID,
+ &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ rv = StartTCPService();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mInitialized = true;
+ return NS_OK;
+}
+
+nsresult
+DisplayDeviceProvider::Uninit()
+{
+ // Provider must be deleted only once.
+ if (!mInitialized) {
+ return NS_OK;
+ }
+
+ nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+ if (obs) {
+ obs->RemoveObserver(this, DISPLAY_CHANGED_NOTIFICATION);
+ }
+
+ // Remove device from device manager when the provider is uninit
+ RemoveExternalScreen();
+
+ AbortServerRetry();
+
+ mInitialized = false;
+ mWrappedListener->SetListener(nullptr);
+ return NS_OK;
+}
+
+nsresult
+DisplayDeviceProvider::StartTCPService()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ nsresult rv;
+ rv = mPresentationService->SetId(NS_LITERAL_CSTRING("DisplayDeviceProvider"));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ uint16_t servicePort;
+ rv = mPresentationService->GetPort(&servicePort);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ /*
+ * If |servicePort| is non-zero, it means PresentationServer is running.
+ * Otherwise, we should make it start serving.
+ */
+ if (servicePort) {
+ mPort = servicePort;
+ return NS_OK;
+ }
+
+ rv = mPresentationService->SetListener(mWrappedListener);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ AbortServerRetry();
+
+ // 1-UA doesn't need encryption.
+ rv = mPresentationService->StartServer(/* aEncrypted = */ false,
+ /* aPort = */ 0);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+void
+DisplayDeviceProvider::AbortServerRetry()
+{
+ if (mIsServerRetrying) {
+ mIsServerRetrying = false;
+ mServerRetryTimer->Cancel();
+ }
+}
+
+nsresult
+DisplayDeviceProvider::AddExternalScreen()
+{
+ MOZ_ASSERT(mDeviceListener);
+
+ nsresult rv;
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ rv = GetListener(getter_AddRefs(listener));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ rv = listener->AddDevice(mDevice);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+DisplayDeviceProvider::RemoveExternalScreen()
+{
+ MOZ_ASSERT(mDeviceListener);
+
+ nsresult rv;
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ rv = GetListener(getter_AddRefs(listener));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ rv = listener->RemoveDevice(mDevice);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mDevice->Disconnect();
+ return NS_OK;
+}
+
+// nsIPresentationDeviceProvider
+NS_IMETHODIMP
+DisplayDeviceProvider::GetListener(nsIPresentationDeviceListener** aListener)
+{
+ if (NS_WARN_IF(!aListener)) {
+ return NS_ERROR_INVALID_POINTER;
+ }
+
+ nsresult rv;
+ nsCOMPtr<nsIPresentationDeviceListener> listener =
+ do_QueryReferent(mDeviceListener, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ listener.forget(aListener);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::SetListener(nsIPresentationDeviceListener* aListener)
+{
+ mDeviceListener = do_GetWeakReference(aListener);
+ nsresult rv = mDeviceListener ? Init() : Uninit();
+ if(NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::ForceDiscovery()
+{
+ return NS_OK;
+}
+
+// nsIPresentationControlServerListener
+NS_IMETHODIMP
+DisplayDeviceProvider::OnServerReady(uint16_t aPort,
+ const nsACString& aCertFingerprint)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ mPort = aPort;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::OnServerStopped(nsresult aResult)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ // Try restart server if it is stopped abnormally.
+ if (NS_FAILED(aResult)) {
+ mIsServerRetrying = true;
+ mServerRetryTimer->Init(this, mServerRetryMs, nsITimer::TYPE_ONE_SHOT);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::OnSessionRequest(nsITCPDeviceInfo* aDeviceInfo,
+ const nsAString& aUrl,
+ const nsAString& aPresentationId,
+ nsIPresentationControlChannel* aControlChannel)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aDeviceInfo);
+ MOZ_ASSERT(aControlChannel);
+
+ nsresult rv;
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ rv = GetListener(getter_AddRefs(listener));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ MOZ_ASSERT(!listener);
+
+ rv = listener->OnSessionRequest(mDevice,
+ aUrl,
+ aPresentationId,
+ aControlChannel);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::OnTerminateRequest(nsITCPDeviceInfo* aDeviceInfo,
+ const nsAString& aPresentationId,
+ nsIPresentationControlChannel* aControlChannel,
+ bool aIsFromReceiver)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aDeviceInfo);
+ MOZ_ASSERT(aControlChannel);
+
+ nsresult rv;
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ rv = GetListener(getter_AddRefs(listener));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ MOZ_ASSERT(!listener);
+
+ rv = listener->OnTerminateRequest(mDevice,
+ aPresentationId,
+ aControlChannel,
+ aIsFromReceiver);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+DisplayDeviceProvider::OnReconnectRequest(nsITCPDeviceInfo* aDeviceInfo,
+ const nsAString& aUrl,
+ const nsAString& aPresentationId,
+ nsIPresentationControlChannel* aControlChannel)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aDeviceInfo);
+ MOZ_ASSERT(aControlChannel);
+
+ nsresult rv;
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ rv = GetListener(getter_AddRefs(listener));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ MOZ_ASSERT(!listener);
+
+ rv = listener->OnReconnectRequest(mDevice,
+ aUrl,
+ aPresentationId,
+ aControlChannel);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+// nsIObserver
+NS_IMETHODIMP
+DisplayDeviceProvider::Observe(nsISupports* aSubject,
+ const char* aTopic,
+ const char16_t* aData)
+{
+ if (!strcmp(aTopic, DISPLAY_CHANGED_NOTIFICATION)) {
+ nsCOMPtr<nsIDisplayInfo> displayInfo = do_QueryInterface(aSubject);
+ MOZ_ASSERT(displayInfo);
+
+ int32_t type;
+ bool isConnected;
+ displayInfo->GetConnected(&isConnected);
+ // XXX The ID is as same as the type of display.
+ // See Bug 1138287 and nsScreenManagerGonk::AddScreen() for more detail.
+ displayInfo->GetId(&type);
+
+ if (type == DisplayType::DISPLAY_EXTERNAL) {
+ nsresult rv = isConnected ? AddExternalScreen() : RemoveExternalScreen();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+ } else if (!strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC)) {
+ nsCOMPtr<nsITimer> timer = do_QueryInterface(aSubject);
+ if (!timer) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ if (timer == mServerRetryTimer) {
+ mIsServerRetrying = false;
+ StartTCPService();
+ }
+ }
+
+ return NS_OK;
+}
+
+nsresult
+DisplayDeviceProvider::Connect(HDMIDisplayDevice* aDevice,
+ nsIPresentationControlChannel** aControlChannel)
+{
+ MOZ_ASSERT(aDevice);
+ MOZ_ASSERT(mPresentationService);
+ NS_ENSURE_ARG_POINTER(aControlChannel);
+ *aControlChannel = nullptr;
+
+ nsCOMPtr<nsITCPDeviceInfo> deviceInfo = new TCPDeviceInfo(aDevice->Id(),
+ aDevice->Address(),
+ mPort,
+ EmptyCString());
+
+ return mPresentationService->Connect(deviceInfo, aControlChannel);
+}
+
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/presentation/provider/DisplayDeviceProvider.h b/dom/presentation/provider/DisplayDeviceProvider.h
new file mode 100644
index 000000000..ebd5db394
--- /dev/null
+++ b/dom/presentation/provider/DisplayDeviceProvider.h
@@ -0,0 +1,136 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_dom_presentation_provider_DisplayDeviceProvider_h
+#define mozilla_dom_presentation_provider_DisplayDeviceProvider_h
+
+#include "mozilla/RefPtr.h"
+#include "mozilla/WeakPtr.h"
+#include "nsCOMPtr.h"
+#include "nsIDOMWindow.h"
+#include "nsIDisplayInfo.h"
+#include "nsIObserver.h"
+#include "nsIPresentationDeviceProvider.h"
+#include "nsIPresentationLocalDevice.h"
+#include "nsIPresentationControlService.h"
+#include "nsITimer.h"
+#include "nsIWindowWatcher.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nsWeakReference.h"
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+
+// Consistent definition with the definition in
+// widget/gonk/libdisplay/GonkDisplay.h.
+enum DisplayType {
+ DISPLAY_PRIMARY,
+ DISPLAY_EXTERNAL,
+ DISPLAY_VIRTUAL,
+ NUM_DISPLAY_TYPES
+};
+
+class DisplayDeviceProviderWrappedListener;
+
+class DisplayDeviceProvider final : public nsIObserver
+ , public nsIPresentationDeviceProvider
+ , public nsIPresentationControlServerListener
+ , public SupportsWeakPtr<DisplayDeviceProvider>
+{
+private:
+ class HDMIDisplayDevice final : public nsIPresentationLocalDevice
+ {
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIPRESENTATIONDEVICE
+ NS_DECL_NSIPRESENTATIONLOCALDEVICE
+
+ // mScreenId is as same as the definition of display type.
+ explicit HDMIDisplayDevice(DisplayDeviceProvider* aProvider)
+ : mScreenId(DisplayType::DISPLAY_EXTERNAL)
+ , mName("HDMI")
+ , mType("external")
+ , mWindowId("hdmi")
+ , mAddress("127.0.0.1")
+ , mProvider(aProvider)
+ {}
+
+ nsresult OpenTopLevelWindow();
+ nsresult CloseTopLevelWindow();
+
+ const nsCString& Id() const { return mWindowId; }
+ const nsCString& Address() const { return mAddress; }
+
+ private:
+ virtual ~HDMIDisplayDevice() = default;
+
+ // Due to the limitation of nsWinodw, mScreenId must be an integer.
+ // And mScreenId is also align to the display type defined in
+ // widget/gonk/libdisplay/GonkDisplay.h.
+ // HDMI display is DisplayType::DISPLAY_EXTERNAL.
+ uint32_t mScreenId;
+ nsCString mName;
+ nsCString mType;
+ nsCString mWindowId;
+ nsCString mAddress;
+
+ nsCOMPtr<mozIDOMWindowProxy> mWindow;
+ // weak pointer
+ // Provider hold a strong pointer to the device. Use weak pointer to prevent
+ // the reference cycle.
+ WeakPtr<DisplayDeviceProvider> mProvider;
+ };
+
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIOBSERVER
+ NS_DECL_NSIPRESENTATIONDEVICEPROVIDER
+ NS_DECL_NSIPRESENTATIONCONTROLSERVERLISTENER
+ // For using WeakPtr when MOZ_REFCOUNTED_LEAK_CHECKING defined
+ MOZ_DECLARE_WEAKREFERENCE_TYPENAME(DisplayDeviceProvider)
+
+ nsresult Connect(HDMIDisplayDevice* aDevice,
+ nsIPresentationControlChannel** aControlChannel);
+private:
+ virtual ~DisplayDeviceProvider();
+
+ nsresult Init();
+ nsresult Uninit();
+
+ nsresult AddExternalScreen();
+ nsresult RemoveExternalScreen();
+
+ nsresult StartTCPService();
+
+ void AbortServerRetry();
+
+ // Now support HDMI display only and there should be only one HDMI display.
+ nsCOMPtr<nsIPresentationLocalDevice> mDevice = nullptr;
+ // weak pointer
+ // PresentationDeviceManager (mDeviceListener) hold strong pointer to
+ // DisplayDeviceProvider. Use nsWeakPtr to avoid reference cycle.
+ nsWeakPtr mDeviceListener = nullptr;
+ nsCOMPtr<nsIPresentationControlService> mPresentationService;
+ // Used to prevent reference cycle between DisplayDeviceProvider and
+ // TCPPresentationServer.
+ RefPtr<DisplayDeviceProviderWrappedListener> mWrappedListener;
+
+ bool mInitialized = false;
+ uint16_t mPort;
+
+ bool mIsServerRetrying = false;
+ uint32_t mServerRetryMs;
+ nsCOMPtr<nsITimer> mServerRetryTimer;
+};
+
+} // mozilla
+} // dom
+} // presentation
+
+#endif // mozilla_dom_presentation_provider_DisplayDeviceProvider_h
+
diff --git a/dom/presentation/provider/LegacyMDNSDeviceProvider.cpp b/dom/presentation/provider/LegacyMDNSDeviceProvider.cpp
new file mode 100644
index 000000000..54849c9e3
--- /dev/null
+++ b/dom/presentation/provider/LegacyMDNSDeviceProvider.cpp
@@ -0,0 +1,774 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+#include "LegacyMDNSDeviceProvider.h"
+
+#include "DeviceProviderHelpers.h"
+#include "MainThreadUtils.h"
+#include "mozilla/Logging.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/Services.h"
+#include "mozilla/Unused.h"
+#include "nsComponentManagerUtils.h"
+#include "nsIObserverService.h"
+#include "nsIWritablePropertyBag2.h"
+#include "nsServiceManagerUtils.h"
+#include "nsTCPDeviceInfo.h"
+#include "nsThreadUtils.h"
+#include "nsIPropertyBag2.h"
+
+#define PREF_PRESENTATION_DISCOVERY_LEGACY "dom.presentation.discovery.legacy.enabled"
+#define PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS "dom.presentation.discovery.timeout_ms"
+#define PREF_PRESENTATION_DEVICE_NAME "dom.presentation.device.name"
+
+#define LEGACY_SERVICE_TYPE "_mozilla_papi._tcp"
+
+#define LEGACY_PRESENTATION_CONTROL_SERVICE_CONTACT_ID "@mozilla.org/presentation/legacy-control-service;1"
+
+static mozilla::LazyLogModule sLegacyMDNSProviderLogModule("LegacyMDNSDeviceProvider");
+
+#undef LOG_I
+#define LOG_I(...) MOZ_LOG(sLegacyMDNSProviderLogModule, mozilla::LogLevel::Debug, (__VA_ARGS__))
+#undef LOG_E
+#define LOG_E(...) MOZ_LOG(sLegacyMDNSProviderLogModule, mozilla::LogLevel::Error, (__VA_ARGS__))
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+namespace legacy {
+
+static const char* kObservedPrefs[] = {
+ PREF_PRESENTATION_DISCOVERY_LEGACY,
+ PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS,
+ PREF_PRESENTATION_DEVICE_NAME,
+ nullptr
+};
+
+namespace {
+
+static void
+GetAndroidDeviceName(nsACString& aRetVal)
+{
+ nsCOMPtr<nsIPropertyBag2> infoService = do_GetService("@mozilla.org/system-info;1");
+ MOZ_ASSERT(infoService, "Could not find a system info service");
+
+ Unused << NS_WARN_IF(NS_FAILED(infoService->GetPropertyAsACString(
+ NS_LITERAL_STRING("device"), aRetVal)));
+}
+
+} //anonymous namespace
+
+/**
+ * This wrapper is used to break circular-reference problem.
+ */
+class DNSServiceWrappedListener final
+ : public nsIDNSServiceDiscoveryListener
+ , public nsIDNSServiceResolveListener
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_FORWARD_SAFE_NSIDNSSERVICEDISCOVERYLISTENER(mListener)
+ NS_FORWARD_SAFE_NSIDNSSERVICERESOLVELISTENER(mListener)
+
+ explicit DNSServiceWrappedListener() = default;
+
+ nsresult SetListener(LegacyMDNSDeviceProvider* aListener)
+ {
+ mListener = aListener;
+ return NS_OK;
+ }
+
+private:
+ virtual ~DNSServiceWrappedListener() = default;
+
+ LegacyMDNSDeviceProvider* mListener = nullptr;
+};
+
+NS_IMPL_ISUPPORTS(DNSServiceWrappedListener,
+ nsIDNSServiceDiscoveryListener,
+ nsIDNSServiceResolveListener)
+
+NS_IMPL_ISUPPORTS(LegacyMDNSDeviceProvider,
+ nsIPresentationDeviceProvider,
+ nsIDNSServiceDiscoveryListener,
+ nsIDNSServiceResolveListener,
+ nsIObserver)
+
+LegacyMDNSDeviceProvider::~LegacyMDNSDeviceProvider()
+{
+ Uninit();
+}
+
+nsresult
+LegacyMDNSDeviceProvider::Init()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (mInitialized) {
+ return NS_OK;
+ }
+
+ nsresult rv;
+
+ mMulticastDNS = do_GetService(DNSSERVICEDISCOVERY_CONTRACT_ID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mWrappedListener = new DNSServiceWrappedListener();
+ if (NS_WARN_IF(NS_FAILED(rv = mWrappedListener->SetListener(this)))) {
+ return rv;
+ }
+
+ mPresentationService = do_CreateInstance(LEGACY_PRESENTATION_CONTROL_SERVICE_CONTACT_ID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mDiscoveryTimer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ Preferences::AddStrongObservers(this, kObservedPrefs);
+
+ mDiscoveryEnabled = Preferences::GetBool(PREF_PRESENTATION_DISCOVERY_LEGACY);
+ mDiscoveryTimeoutMs = Preferences::GetUint(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS);
+ mServiceName = Preferences::GetCString(PREF_PRESENTATION_DEVICE_NAME);
+
+ // FIXME: Bug 1185806 - Provide a common device name setting.
+ if (mServiceName.IsEmpty()) {
+ GetAndroidDeviceName(mServiceName);
+ Unused << Preferences::SetCString(PREF_PRESENTATION_DEVICE_NAME, mServiceName);
+ }
+
+ Unused << mPresentationService->SetId(mServiceName);
+
+ if (mDiscoveryEnabled && NS_WARN_IF(NS_FAILED(rv = ForceDiscovery()))) {
+ return rv;
+ }
+
+ mInitialized = true;
+ return NS_OK;
+}
+
+nsresult
+LegacyMDNSDeviceProvider::Uninit()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!mInitialized) {
+ return NS_OK;
+ }
+
+ ClearDevices();
+
+ Preferences::RemoveObservers(this, kObservedPrefs);
+
+ StopDiscovery(NS_OK);
+
+ mMulticastDNS = nullptr;
+
+ if (mWrappedListener) {
+ mWrappedListener->SetListener(nullptr);
+ mWrappedListener = nullptr;
+ }
+
+ mInitialized = false;
+ return NS_OK;
+}
+
+nsresult
+LegacyMDNSDeviceProvider::StopDiscovery(nsresult aReason)
+{
+ LOG_I("StopDiscovery (0x%08x)", aReason);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mDiscoveryTimer);
+
+ Unused << mDiscoveryTimer->Cancel();
+
+ if (mDiscoveryRequest) {
+ mDiscoveryRequest->Cancel(aReason);
+ mDiscoveryRequest = nullptr;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+LegacyMDNSDeviceProvider::Connect(Device* aDevice,
+ nsIPresentationControlChannel** aRetVal)
+{
+ MOZ_ASSERT(aDevice);
+ MOZ_ASSERT(mPresentationService);
+
+ RefPtr<TCPDeviceInfo> deviceInfo = new TCPDeviceInfo(aDevice->Id(),
+ aDevice->Address(),
+ aDevice->Port(),
+ EmptyCString());
+
+ return mPresentationService->Connect(deviceInfo, aRetVal);
+}
+
+nsresult
+LegacyMDNSDeviceProvider::AddDevice(const nsACString& aId,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mPresentationService);
+
+ RefPtr<Device> device = new Device(aId, /* ID */
+ aServiceName,
+ aServiceType,
+ aAddress,
+ aPort,
+ DeviceState::eActive,
+ this);
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->AddDevice(device);
+ }
+
+ mDevices.AppendElement(device);
+
+ return NS_OK;
+}
+
+nsresult
+LegacyMDNSDeviceProvider::UpdateDevice(const uint32_t aIndex,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mPresentationService);
+
+ if (NS_WARN_IF(aIndex >= mDevices.Length())) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ RefPtr<Device> device = mDevices[aIndex];
+ device->Update(aServiceName, aServiceType, aAddress, aPort);
+ device->ChangeState(DeviceState::eActive);
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->UpdateDevice(device);
+ }
+
+ return NS_OK;
+}
+
+nsresult
+LegacyMDNSDeviceProvider::RemoveDevice(const uint32_t aIndex)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mPresentationService);
+
+ if (NS_WARN_IF(aIndex >= mDevices.Length())) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ RefPtr<Device> device = mDevices[aIndex];
+
+ LOG_I("RemoveDevice: %s", device->Id().get());
+ mDevices.RemoveElementAt(aIndex);
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->RemoveDevice(device);
+ }
+
+ return NS_OK;
+}
+
+bool
+LegacyMDNSDeviceProvider::FindDeviceById(const nsACString& aId,
+ uint32_t& aIndex)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ RefPtr<Device> device = new Device(aId,
+ /* aName = */ EmptyCString(),
+ /* aType = */ EmptyCString(),
+ /* aHost = */ EmptyCString(),
+ /* aPort = */ 0,
+ /* aState = */ DeviceState::eUnknown,
+ /* aProvider = */ nullptr);
+ size_t index = mDevices.IndexOf(device, 0, DeviceIdComparator());
+
+ if (index == mDevices.NoIndex) {
+ return false;
+ }
+
+ aIndex = index;
+ return true;
+}
+
+bool
+LegacyMDNSDeviceProvider::FindDeviceByAddress(const nsACString& aAddress,
+ uint32_t& aIndex)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ RefPtr<Device> device = new Device(/* aId = */ EmptyCString(),
+ /* aName = */ EmptyCString(),
+ /* aType = */ EmptyCString(),
+ aAddress,
+ /* aPort = */ 0,
+ /* aState = */ DeviceState::eUnknown,
+ /* aProvider = */ nullptr);
+ size_t index = mDevices.IndexOf(device, 0, DeviceAddressComparator());
+
+ if (index == mDevices.NoIndex) {
+ return false;
+ }
+
+ aIndex = index;
+ return true;
+}
+
+void
+LegacyMDNSDeviceProvider::MarkAllDevicesUnknown()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ for (auto& device : mDevices) {
+ device->ChangeState(DeviceState::eUnknown);
+ }
+}
+
+void
+LegacyMDNSDeviceProvider::ClearUnknownDevices()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ size_t i = mDevices.Length();
+ while (i > 0) {
+ --i;
+ if (mDevices[i]->State() == DeviceState::eUnknown) {
+ Unused << NS_WARN_IF(NS_FAILED(RemoveDevice(i)));
+ }
+ }
+}
+
+void
+LegacyMDNSDeviceProvider::ClearDevices()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ size_t i = mDevices.Length();
+ while (i > 0) {
+ --i;
+ Unused << NS_WARN_IF(NS_FAILED(RemoveDevice(i)));
+ }
+}
+
+// nsIPresentationDeviceProvider
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::GetListener(nsIPresentationDeviceListener** aListener)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aListener)) {
+ return NS_ERROR_INVALID_POINTER;
+ }
+
+ nsresult rv;
+ nsCOMPtr<nsIPresentationDeviceListener> listener =
+ do_QueryReferent(mDeviceListener, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ listener.forget(aListener);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::SetListener(nsIPresentationDeviceListener* aListener)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mDeviceListener = do_GetWeakReference(aListener);
+
+ nsresult rv;
+ if (mDeviceListener) {
+ if (NS_WARN_IF(NS_FAILED(rv = Init()))) {
+ return rv;
+ }
+ } else {
+ if (NS_WARN_IF(NS_FAILED(rv = Uninit()))) {
+ return rv;
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::ForceDiscovery()
+{
+ LOG_I("ForceDiscovery (%d)", mDiscoveryEnabled);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!mDiscoveryEnabled) {
+ return NS_OK;
+ }
+
+ MOZ_ASSERT(mDiscoveryTimer);
+ MOZ_ASSERT(mMulticastDNS);
+
+ // if it's already discovering, extend existing discovery timeout.
+ nsresult rv;
+ if (mIsDiscovering) {
+ Unused << mDiscoveryTimer->Cancel();
+
+ if (NS_WARN_IF(NS_FAILED( rv = mDiscoveryTimer->Init(this,
+ mDiscoveryTimeoutMs,
+ nsITimer::TYPE_ONE_SHOT)))) {
+ return rv;
+ }
+ return NS_OK;
+ }
+
+ StopDiscovery(NS_OK);
+
+ if (NS_WARN_IF(NS_FAILED(rv = mMulticastDNS->StartDiscovery(
+ NS_LITERAL_CSTRING(LEGACY_SERVICE_TYPE),
+ mWrappedListener,
+ getter_AddRefs(mDiscoveryRequest))))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+// nsIDNSServiceDiscoveryListener
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnDiscoveryStarted(const nsACString& aServiceType)
+{
+ LOG_I("OnDiscoveryStarted");
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mDiscoveryTimer);
+
+ MarkAllDevicesUnknown();
+
+ nsresult rv;
+ if (NS_WARN_IF(NS_FAILED(rv = mDiscoveryTimer->Init(this,
+ mDiscoveryTimeoutMs,
+ nsITimer::TYPE_ONE_SHOT)))) {
+ return rv;
+ }
+
+ mIsDiscovering = true;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnDiscoveryStopped(const nsACString& aServiceType)
+{
+ LOG_I("OnDiscoveryStopped");
+ MOZ_ASSERT(NS_IsMainThread());
+
+ ClearUnknownDevices();
+
+ mIsDiscovering = false;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnServiceFound(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aServiceInfo)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv ;
+
+ nsAutoCString serviceName;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
+ return rv;
+ }
+
+ LOG_I("OnServiceFound: %s", serviceName.get());
+
+ if (mMulticastDNS) {
+ if (NS_WARN_IF(NS_FAILED(rv = mMulticastDNS->ResolveService(
+ aServiceInfo, mWrappedListener)))) {
+ return rv;
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnServiceLost(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aServiceInfo)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv;
+
+ nsAutoCString serviceName;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
+ return rv;
+ }
+
+ LOG_I("OnServiceLost: %s", serviceName.get());
+
+ nsAutoCString host;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetHost(host)))) {
+ return rv;
+ }
+
+ uint32_t index;
+ if (!FindDeviceById(host, index)) {
+ // given device was not found
+ return NS_OK;
+ }
+
+ if (NS_WARN_IF(NS_FAILED(rv = RemoveDevice(index)))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnStartDiscoveryFailed(const nsACString& aServiceType,
+ int32_t aErrorCode)
+{
+ LOG_E("OnStartDiscoveryFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnStopDiscoveryFailed(const nsACString& aServiceType,
+ int32_t aErrorCode)
+{
+ LOG_E("OnStopDiscoveryFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+// nsIDNSServiceResolveListener
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnServiceResolved(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aServiceInfo)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv;
+
+ nsAutoCString serviceName;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
+ return rv;
+ }
+
+ LOG_I("OnServiceResolved: %s", serviceName.get());
+
+ nsAutoCString host;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetHost(host)))) {
+ return rv;
+ }
+
+ nsAutoCString address;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetAddress(address)))) {
+ return rv;
+ }
+
+ uint16_t port;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetPort(&port)))) {
+ return rv;
+ }
+
+ nsAutoCString serviceType;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceType(serviceType)))) {
+ return rv;
+ }
+
+ uint32_t index;
+ if (FindDeviceById(host, index)) {
+ return UpdateDevice(index,
+ serviceName,
+ serviceType,
+ address,
+ port);
+ } else {
+ return AddDevice(host,
+ serviceName,
+ serviceType,
+ address,
+ port);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::OnResolveFailed(nsIDNSServiceInfo* aServiceInfo,
+ int32_t aErrorCode)
+{
+ LOG_E("OnResolveFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+// nsIObserver
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::Observe(nsISupports* aSubject,
+ const char* aTopic,
+ const char16_t* aData)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ NS_ConvertUTF16toUTF8 data(aData);
+ LOG_I("Observe: topic = %s, data = %s", aTopic, data.get());
+
+ if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID)) {
+ if (data.EqualsLiteral(PREF_PRESENTATION_DISCOVERY_LEGACY)) {
+ OnDiscoveryChanged(Preferences::GetBool(PREF_PRESENTATION_DISCOVERY_LEGACY));
+ } else if (data.EqualsLiteral(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS)) {
+ OnDiscoveryTimeoutChanged(Preferences::GetUint(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS));
+ } else if (data.EqualsLiteral(PREF_PRESENTATION_DEVICE_NAME)) {
+ nsAdoptingCString newServiceName = Preferences::GetCString(PREF_PRESENTATION_DEVICE_NAME);
+ if (!mServiceName.Equals(newServiceName)) {
+ OnServiceNameChanged(newServiceName);
+ }
+ }
+ } else if (!strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC)) {
+ StopDiscovery(NS_OK);
+ }
+
+ return NS_OK;
+}
+
+nsresult
+LegacyMDNSDeviceProvider::OnDiscoveryChanged(bool aEnabled)
+{
+ LOG_I("DiscoveryEnabled = %d\n", aEnabled);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mDiscoveryEnabled = aEnabled;
+
+ if (mDiscoveryEnabled) {
+ return ForceDiscovery();
+ }
+
+ return StopDiscovery(NS_OK);
+}
+
+nsresult
+LegacyMDNSDeviceProvider::OnDiscoveryTimeoutChanged(uint32_t aTimeoutMs)
+{
+ LOG_I("OnDiscoveryTimeoutChanged = %d\n", aTimeoutMs);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mDiscoveryTimeoutMs = aTimeoutMs;
+
+ return NS_OK;
+}
+
+nsresult
+LegacyMDNSDeviceProvider::OnServiceNameChanged(const nsACString& aServiceName)
+{
+ LOG_I("serviceName = %s\n", PromiseFlatCString(aServiceName).get());
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mServiceName = aServiceName;
+ mPresentationService->SetId(mServiceName);
+
+ return NS_OK;
+}
+
+// LegacyMDNSDeviceProvider::Device
+NS_IMPL_ISUPPORTS(LegacyMDNSDeviceProvider::Device,
+ nsIPresentationDevice)
+
+// nsIPresentationDevice
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::Device::GetId(nsACString& aId)
+{
+ aId = mId;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::Device::GetName(nsACString& aName)
+{
+ aName = mName;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::Device::GetType(nsACString& aType)
+{
+ aType = mType;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::Device::EstablishControlChannel(
+ nsIPresentationControlChannel** aRetVal)
+{
+ if (!mProvider) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return mProvider->Connect(this, aRetVal);
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::Device::Disconnect()
+{
+ // No need to do anything when disconnect.
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+LegacyMDNSDeviceProvider::Device::IsRequestedUrlSupported(
+ const nsAString& aRequestedUrl,
+ bool* aRetVal)
+{
+ if (!aRetVal) {
+ return NS_ERROR_INVALID_POINTER;
+ }
+
+ // Legacy TV 2.5 device only support a fixed set of presentation Apps.
+ *aRetVal = DeviceProviderHelpers::IsFxTVSupportedAppUrl(aRequestedUrl);
+
+ return NS_OK;
+}
+
+} // namespace legacy
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/presentation/provider/LegacyMDNSDeviceProvider.h b/dom/presentation/provider/LegacyMDNSDeviceProvider.h
new file mode 100644
index 000000000..33ba877d3
--- /dev/null
+++ b/dom/presentation/provider/LegacyMDNSDeviceProvider.h
@@ -0,0 +1,191 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+#ifndef mozilla_dom_presentation_provider_LegacyMDNSDeviceProvider_h
+#define mozilla_dom_presentation_provider_LegacyMDNSDeviceProvider_h
+
+#include "mozilla/RefPtr.h"
+#include "nsCOMPtr.h"
+#include "nsICancelable.h"
+#include "nsIDNSServiceDiscovery.h"
+#include "nsIObserver.h"
+#include "nsIPresentationDevice.h"
+#include "nsIPresentationDeviceProvider.h"
+#include "nsIPresentationControlService.h"
+#include "nsITimer.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nsWeakPtr.h"
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+namespace legacy {
+
+class DNSServiceWrappedListener;
+class MulticastDNSService;
+
+class LegacyMDNSDeviceProvider final
+ : public nsIPresentationDeviceProvider
+ , public nsIDNSServiceDiscoveryListener
+ , public nsIDNSServiceResolveListener
+ , public nsIObserver
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIPRESENTATIONDEVICEPROVIDER
+ NS_DECL_NSIDNSSERVICEDISCOVERYLISTENER
+ NS_DECL_NSIDNSSERVICERESOLVELISTENER
+ NS_DECL_NSIOBSERVER
+
+ explicit LegacyMDNSDeviceProvider() = default;
+ nsresult Init();
+ nsresult Uninit();
+
+private:
+ enum class DeviceState : uint32_t {
+ eUnknown,
+ eActive
+ };
+
+ class Device final : public nsIPresentationDevice
+ {
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIPRESENTATIONDEVICE
+
+ explicit Device(const nsACString& aId,
+ const nsACString& aName,
+ const nsACString& aType,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ DeviceState aState,
+ LegacyMDNSDeviceProvider* aProvider)
+ : mId(aId)
+ , mName(aName)
+ , mType(aType)
+ , mAddress(aAddress)
+ , mPort(aPort)
+ , mState(aState)
+ , mProvider(aProvider)
+ {
+ }
+
+ const nsCString& Id() const
+ {
+ return mId;
+ }
+
+ const nsCString& Address() const
+ {
+ return mAddress;
+ }
+
+ uint16_t Port() const
+ {
+ return mPort;
+ }
+
+ DeviceState State() const
+ {
+ return mState;
+ }
+
+ void ChangeState(DeviceState aState)
+ {
+ mState = aState;
+ }
+
+ void Update(const nsACString& aName,
+ const nsACString& aType,
+ const nsACString& aAddress,
+ const uint16_t aPort)
+ {
+ mName = aName;
+ mType = aType;
+ mAddress = aAddress;
+ mPort = aPort;
+ }
+
+ private:
+ virtual ~Device() = default;
+
+ nsCString mId;
+ nsCString mName;
+ nsCString mType;
+ nsCString mAddress;
+ uint16_t mPort;
+ DeviceState mState;
+ LegacyMDNSDeviceProvider* mProvider;
+ };
+
+ struct DeviceIdComparator {
+ bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
+ return aA->Id() == aB->Id();
+ }
+ };
+
+ struct DeviceAddressComparator {
+ bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
+ return aA->Address() == aB->Address();
+ }
+ };
+
+ virtual ~LegacyMDNSDeviceProvider();
+ nsresult StopDiscovery(nsresult aReason);
+ nsresult Connect(Device* aDevice,
+ nsIPresentationControlChannel** aRetVal);
+
+ // device manipulation
+ nsresult AddDevice(const nsACString& aId,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort);
+ nsresult UpdateDevice(const uint32_t aIndex,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort);
+ nsresult RemoveDevice(const uint32_t aIndex);
+ bool FindDeviceById(const nsACString& aId,
+ uint32_t& aIndex);
+
+ bool FindDeviceByAddress(const nsACString& aAddress,
+ uint32_t& aIndex);
+
+ void MarkAllDevicesUnknown();
+ void ClearUnknownDevices();
+ void ClearDevices();
+
+ // preferences
+ nsresult OnDiscoveryChanged(bool aEnabled);
+ nsresult OnDiscoveryTimeoutChanged(uint32_t aTimeoutMs);
+ nsresult OnServiceNameChanged(const nsACString& aServiceName);
+
+ bool mInitialized = false;
+ nsWeakPtr mDeviceListener;
+ nsCOMPtr<nsIPresentationControlService> mPresentationService;
+ nsCOMPtr<nsIDNSServiceDiscovery> mMulticastDNS;
+ RefPtr<DNSServiceWrappedListener> mWrappedListener;
+
+ nsCOMPtr<nsICancelable> mDiscoveryRequest;
+
+ nsTArray<RefPtr<Device>> mDevices;
+
+ bool mDiscoveryEnabled = false;
+ bool mIsDiscovering = false;
+ uint32_t mDiscoveryTimeoutMs;
+ nsCOMPtr<nsITimer> mDiscoveryTimer;
+
+ nsCString mServiceName;
+};
+
+} // namespace legacy
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_presentation_provider_LegacyMDNSDeviceProvider_h
diff --git a/dom/presentation/provider/LegacyPresentationControlService.js b/dom/presentation/provider/LegacyPresentationControlService.js
new file mode 100644
index 000000000..b27177b63
--- /dev/null
+++ b/dom/presentation/provider/LegacyPresentationControlService.js
@@ -0,0 +1,488 @@
+/* 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/. */
+/* jshint esnext:true, globalstrict:true, moz:true, undef:true, unused:true */
+/* globals Components, dump */
+"use strict";
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+/* globals XPCOMUtils */
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+/* globals Services */
+Cu.import("resource://gre/modules/Services.jsm");
+/* globals NetUtil */
+Cu.import("resource://gre/modules/NetUtil.jsm");
+
+const DEBUG = Services.prefs.getBoolPref("dom.presentation.tcp_server.debug");
+function log(aMsg) {
+ dump("-*- LegacyPresentationControlService.js: " + aMsg + "\n");
+}
+
+function LegacyPresentationControlService() {
+ DEBUG && log("LegacyPresentationControlService - ctor"); //jshint ignore:line
+ this._id = null;
+}
+
+LegacyPresentationControlService.prototype = {
+ startServer: function() {
+ DEBUG && log("LegacyPresentationControlService - doesn't support receiver mode"); //jshint ignore:line
+ throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+ },
+
+ get id() {
+ return this._id;
+ },
+
+ set id(aId) {
+ this._id = aId;
+ },
+
+ get port() {
+ return 0;
+ },
+
+ get version() {
+ return 0;
+ },
+
+ set listener(aListener) { //jshint ignore:line
+ DEBUG && log("LegacyPresentationControlService - doesn't support receiver mode"); //jshint ignore:line
+ throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+ },
+
+ get listener() {
+ return null;
+ },
+
+ connect: function(aDeviceInfo) {
+ if (!this.id) {
+ DEBUG && log("LegacyPresentationControlService - Id has not initialized; requestSession fails"); //jshint ignore:line
+ return null;
+ }
+ DEBUG && log("LegacyPresentationControlService - requestSession to " + aDeviceInfo.id); //jshint ignore:line
+
+ let sts = Cc["@mozilla.org/network/socket-transport-service;1"]
+ .getService(Ci.nsISocketTransportService);
+
+ let socketTransport;
+ try {
+ socketTransport = sts.createTransport(null,
+ 0,
+ aDeviceInfo.address,
+ aDeviceInfo.port,
+ null);
+ } catch (e) {
+ DEBUG && log("LegacyPresentationControlService - createTransport throws: " + e); //jshint ignore:line
+ // Pop the exception to |TCPDevice.establishControlChannel|
+ throw Cr.NS_ERROR_FAILURE;
+ }
+ return new LegacyTCPControlChannel(this.id,
+ socketTransport,
+ aDeviceInfo);
+ },
+
+ close: function() {
+ DEBUG && log("LegacyPresentationControlService - close"); //jshint ignore:line
+ },
+
+ classID: Components.ID("{b21816fe-8aff-4811-86d2-85a7444c557e}"),
+ QueryInterface : XPCOMUtils.generateQI([Ci.nsIPresentationControlService]),
+};
+
+function ChannelDescription(aInit) {
+ this._type = aInit.type;
+ switch (this._type) {
+ case Ci.nsIPresentationChannelDescription.TYPE_TCP:
+ this._tcpAddresses = Cc["@mozilla.org/array;1"]
+ .createInstance(Ci.nsIMutableArray);
+ for (let address of aInit.tcpAddress) {
+ let wrapper = Cc["@mozilla.org/supports-cstring;1"]
+ .createInstance(Ci.nsISupportsCString);
+ wrapper.data = address;
+ this._tcpAddresses.appendElement(wrapper, false);
+ }
+
+ this._tcpPort = aInit.tcpPort;
+ break;
+ case Ci.nsIPresentationChannelDescription.TYPE_DATACHANNEL:
+ this._dataChannelSDP = aInit.dataChannelSDP;
+ break;
+ }
+}
+
+ChannelDescription.prototype = {
+ _type: 0,
+ _tcpAddresses: null,
+ _tcpPort: 0,
+ _dataChannelSDP: "",
+
+ get type() {
+ return this._type;
+ },
+
+ get tcpAddress() {
+ return this._tcpAddresses;
+ },
+
+ get tcpPort() {
+ return this._tcpPort;
+ },
+
+ get dataChannelSDP() {
+ return this._dataChannelSDP;
+ },
+
+ classID: Components.ID("{d69fc81c-4f40-47a3-97e6-b4cf5db2294e}"),
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationChannelDescription]),
+};
+
+// Helper function: transfer nsIPresentationChannelDescription to json
+function discriptionAsJson(aDescription) {
+ let json = {};
+ json.type = aDescription.type;
+ switch(aDescription.type) {
+ case Ci.nsIPresentationChannelDescription.TYPE_TCP:
+ let addresses = aDescription.tcpAddress.QueryInterface(Ci.nsIArray);
+ json.tcpAddress = [];
+ for (let idx = 0; idx < addresses.length; idx++) {
+ let address = addresses.queryElementAt(idx, Ci.nsISupportsCString);
+ json.tcpAddress.push(address.data);
+ }
+ json.tcpPort = aDescription.tcpPort;
+ break;
+ case Ci.nsIPresentationChannelDescription.TYPE_DATACHANNEL:
+ json.dataChannelSDP = aDescription.dataChannelSDP;
+ break;
+ }
+ return json;
+}
+
+function LegacyTCPControlChannel(id,
+ transport,
+ deviceInfo) {
+ DEBUG && log("create LegacyTCPControlChannel"); //jshint ignore:line
+ this._deviceInfo = deviceInfo;
+ this._transport = transport;
+
+ this._id = id;
+
+ let currentThread = Services.tm.currentThread;
+ transport.setEventSink(this, currentThread);
+
+ this._input = this._transport.openInputStream(0, 0, 0)
+ .QueryInterface(Ci.nsIAsyncInputStream);
+ this._input.asyncWait(this.QueryInterface(Ci.nsIStreamListener),
+ Ci.nsIAsyncInputStream.WAIT_CLOSURE_ONLY,
+ 0,
+ currentThread);
+
+ this._output = this._transport
+ .openOutputStream(Ci.nsITransport.OPEN_UNBUFFERED, 0, 0);
+}
+
+LegacyTCPControlChannel.prototype = {
+ _connected: false,
+ _pendingOpen: false,
+ _pendingAnswer: null,
+ _pendingClose: null,
+ _pendingCloseReason: null,
+
+ _sendMessage: function(aJSONData, aOnThrow) {
+ if (!aOnThrow) {
+ aOnThrow = function(e) {throw e.result;};
+ }
+
+ if (!aJSONData) {
+ aOnThrow();
+ return;
+ }
+
+ if (!this._connected) {
+ DEBUG && log("LegacyTCPControlChannel - send" + aJSONData.type + " fails"); //jshint ignore:line
+ throw Cr.NS_ERROR_FAILURE;
+ }
+
+ try {
+ this._send(aJSONData);
+ } catch (e) {
+ aOnThrow(e);
+ }
+ },
+
+ _sendInit: function() {
+ let msg = {
+ type: "requestSession:Init",
+ presentationId: this._presentationId,
+ url: this._url,
+ id: this._id,
+ };
+
+ this._sendMessage(msg, function(e) {
+ this.disconnect();
+ this._notifyDisconnected(e.result);
+ });
+ },
+
+ launch: function(aPresentationId, aUrl) {
+ this._presentationId = aPresentationId;
+ this._url = aUrl;
+
+ this._sendInit();
+ },
+
+ terminate: function() {
+ // Legacy protocol doesn't support extra terminate protocol.
+ // Trigger error handling for browser to shutdown all the resource locally.
+ throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+ },
+
+ sendOffer: function(aOffer) {
+ let msg = {
+ type: "requestSession:Offer",
+ presentationId: this._presentationId,
+ offer: discriptionAsJson(aOffer),
+ };
+ this._sendMessage(msg);
+ },
+
+ sendAnswer: function(aAnswer) { //jshint ignore:line
+ throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+ },
+
+ sendIceCandidate: function(aCandidate) {
+ let msg = {
+ type: "requestSession:IceCandidate",
+ presentationId: this._presentationId,
+ iceCandidate: aCandidate,
+ };
+ this._sendMessage(msg);
+ },
+ // may throw an exception
+ _send: function(aMsg) {
+ DEBUG && log("LegacyTCPControlChannel - Send: " + JSON.stringify(aMsg, null, 2)); //jshint ignore:line
+
+ /**
+ * XXX In TCP streaming, it is possible that more than one message in one
+ * TCP packet. We use line delimited JSON to identify where one JSON encoded
+ * object ends and the next begins. Therefore, we do not allow newline
+ * characters whithin the whole message, and add a newline at the end.
+ * Please see the parser code in |onDataAvailable|.
+ */
+ let message = JSON.stringify(aMsg).replace(["\n"], "") + "\n";
+ try {
+ this._output.write(message, message.length);
+ } catch(e) {
+ DEBUG && log("LegacyTCPControlChannel - Failed to send message: " + e.name); //jshint ignore:line
+ throw e;
+ }
+ },
+
+ // nsIAsyncInputStream (Triggered by nsIInputStream.asyncWait)
+ // Only used for detecting connection refused
+ onInputStreamReady: function(aStream) {
+ try {
+ aStream.available();
+ } catch (e) {
+ DEBUG && log("LegacyTCPControlChannel - onInputStreamReady error: " + e.name); //jshint ignore:line
+ // NS_ERROR_CONNECTION_REFUSED
+ this._listener.notifyDisconnected(e.result);
+ }
+ },
+
+ // nsITransportEventSink (Triggered by nsISocketTransport.setEventSink)
+ onTransportStatus: function(aTransport, aStatus, aProg, aProgMax) { //jshint ignore:line
+ DEBUG && log("LegacyTCPControlChannel - onTransportStatus: "
+ + aStatus.toString(16)); //jshint ignore:line
+ if (aStatus === Ci.nsISocketTransport.STATUS_CONNECTED_TO) {
+ this._connected = true;
+
+ if (!this._pump) {
+ this._createInputStreamPump();
+ }
+
+ this._notifyConnected();
+ }
+ },
+
+ // nsIRequestObserver (Triggered by nsIInputStreamPump.asyncRead)
+ onStartRequest: function() {
+ DEBUG && log("LegacyTCPControlChannel - onStartRequest"); //jshint ignore:line
+ },
+
+ // nsIRequestObserver (Triggered by nsIInputStreamPump.asyncRead)
+ onStopRequest: function(aRequest, aContext, aStatus) {
+ DEBUG && log("LegacyTCPControlChannel - onStopRequest: " + aStatus); //jshint ignore:line
+ this.disconnect(aStatus);
+ this._notifyDisconnected(aStatus);
+ },
+
+ // nsIStreamListener (Triggered by nsIInputStreamPump.asyncRead)
+ onDataAvailable: function(aRequest, aContext, aInputStream, aOffset, aCount) { //jshint ignore:line
+ let data = NetUtil.readInputStreamToString(aInputStream,
+ aInputStream.available());
+ DEBUG && log("LegacyTCPControlChannel - onDataAvailable: " + data); //jshint ignore:line
+
+ // Parser of line delimited JSON. Please see |_send| for more informaiton.
+ let jsonArray = data.split("\n");
+ jsonArray.pop();
+ for (let json of jsonArray) {
+ let msg;
+ try {
+ msg = JSON.parse(json);
+ } catch (e) {
+ DEBUG && log("LegacyTCPSignalingChannel - error in parsing json: " + e); //jshint ignore:line
+ }
+
+ this._handleMessage(msg);
+ }
+ },
+
+ _createInputStreamPump: function() {
+ DEBUG && log("LegacyTCPControlChannel - create pump"); //jshint ignore:line
+ this._pump = Cc["@mozilla.org/network/input-stream-pump;1"].
+ createInstance(Ci.nsIInputStreamPump);
+ this._pump.init(this._input, -1, -1, 0, 0, false);
+ this._pump.asyncRead(this, null);
+ },
+
+ // Handle command from remote side
+ _handleMessage: function(aMsg) {
+ DEBUG && log("LegacyTCPControlChannel - handleMessage from "
+ + JSON.stringify(this._deviceInfo) + ": " + JSON.stringify(aMsg)); //jshint ignore:line
+ switch (aMsg.type) {
+ case "requestSession:Answer": {
+ this._onAnswer(aMsg.answer);
+ break;
+ }
+ case "requestSession:IceCandidate": {
+ this._listener.onIceCandidate(aMsg.iceCandidate);
+ break;
+ }
+ case "requestSession:CloseReason": {
+ this._pendingCloseReason = aMsg.reason;
+ break;
+ }
+ }
+ },
+
+ get listener() {
+ return this._listener;
+ },
+
+ set listener(aListener) {
+ DEBUG && log("LegacyTCPControlChannel - set listener: " + aListener); //jshint ignore:line
+ if (!aListener) {
+ this._listener = null;
+ return;
+ }
+
+ this._listener = aListener;
+ if (this._pendingOpen) {
+ this._pendingOpen = false;
+ DEBUG && log("LegacyTCPControlChannel - notify pending opened"); //jshint ignore:line
+ this._listener.notifyConnected();
+ }
+
+ if (this._pendingAnswer) {
+ let answer = this._pendingAnswer;
+ DEBUG && log("LegacyTCPControlChannel - notify pending answer: " +
+ JSON.stringify(answer)); // jshint ignore:line
+ this._listener.onAnswer(new ChannelDescription(answer));
+ this._pendingAnswer = null;
+ }
+
+ if (this._pendingClose) {
+ DEBUG && log("LegacyTCPControlChannel - notify pending closed"); //jshint ignore:line
+ this._notifyDisconnected(this._pendingCloseReason);
+ this._pendingClose = null;
+ }
+ },
+
+ /**
+ * These functions are designed to handle the interaction with listener
+ * appropriately. |_FUNC| is to handle |this._listener.FUNC|.
+ */
+ _onAnswer: function(aAnswer) {
+ if (!this._connected) {
+ return;
+ }
+ if (!this._listener) {
+ this._pendingAnswer = aAnswer;
+ return;
+ }
+ DEBUG && log("LegacyTCPControlChannel - notify answer: " + JSON.stringify(aAnswer)); //jshint ignore:line
+ this._listener.onAnswer(new ChannelDescription(aAnswer));
+ },
+
+ _notifyConnected: function() {
+ this._connected = true;
+ this._pendingClose = false;
+ this._pendingCloseReason = Cr.NS_OK;
+
+ if (!this._listener) {
+ this._pendingOpen = true;
+ return;
+ }
+
+ DEBUG && log("LegacyTCPControlChannel - notify opened"); //jshint ignore:line
+ this._listener.notifyConnected();
+ },
+
+ _notifyDisconnected: function(aReason) {
+ this._connected = false;
+ this._pendingOpen = false;
+ this._pendingAnswer = null;
+
+ // Remote endpoint closes the control channel with abnormal reason.
+ if (aReason == Cr.NS_OK && this._pendingCloseReason != Cr.NS_OK) {
+ aReason = this._pendingCloseReason;
+ }
+
+ if (!this._listener) {
+ this._pendingClose = true;
+ this._pendingCloseReason = aReason;
+ return;
+ }
+
+ DEBUG && log("LegacyTCPControlChannel - notify closed"); //jshint ignore:line
+ this._listener.notifyDisconnected(aReason);
+ },
+
+ disconnect: function(aReason) {
+ DEBUG && log("LegacyTCPControlChannel - close with reason: " + aReason); //jshint ignore:line
+
+ if (this._connected) {
+ // default reason is NS_OK
+ if (typeof aReason !== "undefined" && aReason !== Cr.NS_OK) {
+ let msg = {
+ type: "requestSession:CloseReason",
+ presentationId: this._presentationId,
+ reason: aReason,
+ };
+ this._sendMessage(msg);
+ this._pendingCloseReason = aReason;
+ }
+
+ this._transport.setEventSink(null, null);
+ this._pump = null;
+
+ this._input.close();
+ this._output.close();
+
+ this._connected = false;
+ }
+ },
+
+ reconnect: function() {
+ // Legacy protocol doesn't support extra reconnect protocol.
+ // Trigger error handling for browser to shutdown all the resource locally.
+ throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+ },
+
+ classID: Components.ID("{4027ce3d-06e3-4d06-a235-df329cb0d411}"),
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationControlChannel,
+ Ci.nsIStreamListener]),
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([LegacyPresentationControlService]); //jshint ignore:line
diff --git a/dom/presentation/provider/LegacyProviders.manifest b/dom/presentation/provider/LegacyProviders.manifest
new file mode 100644
index 000000000..9408da063
--- /dev/null
+++ b/dom/presentation/provider/LegacyProviders.manifest
@@ -0,0 +1,2 @@
+component {b21816fe-8aff-4811-86d2-85a7444c557e} LegacyPresentationControlService.js
+contract @mozilla.org/presentation/legacy-control-service;1 {b21816fe-8aff-4811-86d2-85a7444c557e}
diff --git a/dom/presentation/provider/MulticastDNSDeviceProvider.cpp b/dom/presentation/provider/MulticastDNSDeviceProvider.cpp
new file mode 100644
index 000000000..0cab915ac
--- /dev/null
+++ b/dom/presentation/provider/MulticastDNSDeviceProvider.cpp
@@ -0,0 +1,1249 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+#include "MulticastDNSDeviceProvider.h"
+
+#include "DeviceProviderHelpers.h"
+#include "MainThreadUtils.h"
+#include "mozilla/Logging.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/Services.h"
+#include "mozilla/Unused.h"
+#include "nsComponentManagerUtils.h"
+#include "nsIObserverService.h"
+#include "nsIWritablePropertyBag2.h"
+#include "nsServiceManagerUtils.h"
+#include "nsTCPDeviceInfo.h"
+#include "nsThreadUtils.h"
+
+#ifdef MOZ_WIDGET_ANDROID
+#include "nsIPropertyBag2.h"
+#endif // MOZ_WIDGET_ANDROID
+
+#define PREF_PRESENTATION_DISCOVERY "dom.presentation.discovery.enabled"
+#define PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS "dom.presentation.discovery.timeout_ms"
+#define PREF_PRESENTATION_DISCOVERABLE "dom.presentation.discoverable"
+#define PREF_PRESENTATION_DISCOVERABLE_ENCRYPTED "dom.presentation.discoverable.encrypted"
+#define PREF_PRESENTATION_DISCOVERABLE_RETRY_MS "dom.presentation.discoverable.retry_ms"
+#define PREF_PRESENTATION_DEVICE_NAME "dom.presentation.device.name"
+
+#define SERVICE_TYPE "_presentation-ctrl._tcp"
+#define PROTOCOL_VERSION_TAG "version"
+#define CERT_FINGERPRINT_TAG "certFingerprint"
+
+static mozilla::LazyLogModule sMulticastDNSProviderLogModule("MulticastDNSDeviceProvider");
+
+#undef LOG_I
+#define LOG_I(...) MOZ_LOG(sMulticastDNSProviderLogModule, mozilla::LogLevel::Debug, (__VA_ARGS__))
+#undef LOG_E
+#define LOG_E(...) MOZ_LOG(sMulticastDNSProviderLogModule, mozilla::LogLevel::Error, (__VA_ARGS__))
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+
+static const char* kObservedPrefs[] = {
+ PREF_PRESENTATION_DISCOVERY,
+ PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS,
+ PREF_PRESENTATION_DISCOVERABLE,
+ PREF_PRESENTATION_DEVICE_NAME,
+ nullptr
+};
+
+namespace {
+
+#ifdef MOZ_WIDGET_ANDROID
+static void
+GetAndroidDeviceName(nsACString& aRetVal)
+{
+ nsCOMPtr<nsIPropertyBag2> infoService = do_GetService("@mozilla.org/system-info;1");
+ MOZ_ASSERT(infoService, "Could not find a system info service");
+
+ Unused << NS_WARN_IF(NS_FAILED(infoService->GetPropertyAsACString(
+ NS_LITERAL_STRING("device"), aRetVal)));
+}
+#endif // MOZ_WIDGET_ANDROID
+
+} //anonymous namespace
+
+/**
+ * This wrapper is used to break circular-reference problem.
+ */
+class DNSServiceWrappedListener final
+ : public nsIDNSServiceDiscoveryListener
+ , public nsIDNSRegistrationListener
+ , public nsIDNSServiceResolveListener
+ , public nsIPresentationControlServerListener
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_FORWARD_SAFE_NSIDNSSERVICEDISCOVERYLISTENER(mListener)
+ NS_FORWARD_SAFE_NSIDNSREGISTRATIONLISTENER(mListener)
+ NS_FORWARD_SAFE_NSIDNSSERVICERESOLVELISTENER(mListener)
+ NS_FORWARD_SAFE_NSIPRESENTATIONCONTROLSERVERLISTENER(mListener)
+
+ explicit DNSServiceWrappedListener() = default;
+
+ nsresult SetListener(MulticastDNSDeviceProvider* aListener)
+ {
+ mListener = aListener;
+ return NS_OK;
+ }
+
+private:
+ virtual ~DNSServiceWrappedListener() = default;
+
+ MulticastDNSDeviceProvider* mListener = nullptr;
+};
+
+NS_IMPL_ISUPPORTS(DNSServiceWrappedListener,
+ nsIDNSServiceDiscoveryListener,
+ nsIDNSRegistrationListener,
+ nsIDNSServiceResolveListener,
+ nsIPresentationControlServerListener)
+
+NS_IMPL_ISUPPORTS(MulticastDNSDeviceProvider,
+ nsIPresentationDeviceProvider,
+ nsIDNSServiceDiscoveryListener,
+ nsIDNSRegistrationListener,
+ nsIDNSServiceResolveListener,
+ nsIPresentationControlServerListener,
+ nsIObserver)
+
+MulticastDNSDeviceProvider::~MulticastDNSDeviceProvider()
+{
+ Uninit();
+}
+
+nsresult
+MulticastDNSDeviceProvider::Init()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (mInitialized) {
+ return NS_OK;
+ }
+
+ nsresult rv;
+
+ mMulticastDNS = do_GetService(DNSSERVICEDISCOVERY_CONTRACT_ID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mWrappedListener = new DNSServiceWrappedListener();
+ if (NS_WARN_IF(NS_FAILED(rv = mWrappedListener->SetListener(this)))) {
+ return rv;
+ }
+
+ mPresentationService = do_CreateInstance(PRESENTATION_CONTROL_SERVICE_CONTACT_ID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mDiscoveryTimer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mServerRetryTimer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ Preferences::AddStrongObservers(this, kObservedPrefs);
+
+ mDiscoveryEnabled = Preferences::GetBool(PREF_PRESENTATION_DISCOVERY);
+ mDiscoveryTimeoutMs = Preferences::GetUint(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS);
+ mDiscoverable = Preferences::GetBool(PREF_PRESENTATION_DISCOVERABLE);
+ mDiscoverableEncrypted = Preferences::GetBool(PREF_PRESENTATION_DISCOVERABLE_ENCRYPTED);
+ mServerRetryMs = Preferences::GetUint(PREF_PRESENTATION_DISCOVERABLE_RETRY_MS);
+ mServiceName = Preferences::GetCString(PREF_PRESENTATION_DEVICE_NAME);
+
+#ifdef MOZ_WIDGET_ANDROID
+ // FIXME: Bug 1185806 - Provide a common device name setting.
+ if (mServiceName.IsEmpty()) {
+ GetAndroidDeviceName(mServiceName);
+ Unused << Preferences::SetCString(PREF_PRESENTATION_DEVICE_NAME, mServiceName);
+ }
+#endif // MOZ_WIDGET_ANDROID
+
+ Unused << mPresentationService->SetId(mServiceName);
+
+ if (mDiscoveryEnabled && NS_WARN_IF(NS_FAILED(rv = ForceDiscovery()))) {
+ return rv;
+ }
+
+ if (mDiscoverable && NS_WARN_IF(NS_FAILED(rv = StartServer()))) {
+ return rv;
+ }
+
+ mInitialized = true;
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::Uninit()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!mInitialized) {
+ return NS_OK;
+ }
+
+ ClearDevices();
+
+ Preferences::RemoveObservers(this, kObservedPrefs);
+
+ StopDiscovery(NS_OK);
+ StopServer();
+
+ mMulticastDNS = nullptr;
+
+ if (mWrappedListener) {
+ mWrappedListener->SetListener(nullptr);
+ mWrappedListener = nullptr;
+ }
+
+ mInitialized = false;
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::StartServer()
+{
+ LOG_I("StartServer: %s (%d)", mServiceName.get(), mDiscoverable);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!mDiscoverable) {
+ return NS_OK;
+ }
+
+ nsresult rv;
+
+ uint16_t servicePort;
+ if (NS_WARN_IF(NS_FAILED(rv = mPresentationService->GetPort(&servicePort)))) {
+ return rv;
+ }
+
+ /**
+ * If |servicePort| is non-zero, it means PresentationControlService is running.
+ * Otherwise, we should make it start serving.
+ */
+ if (servicePort) {
+ return RegisterMDNSService();
+ }
+
+ if (NS_WARN_IF(NS_FAILED(rv = mPresentationService->SetListener(mWrappedListener)))) {
+ return rv;
+ }
+
+ AbortServerRetry();
+
+ if (NS_WARN_IF(NS_FAILED(rv = mPresentationService->StartServer(mDiscoverableEncrypted, 0)))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::StopServer()
+{
+ LOG_I("StopServer: %s", mServiceName.get());
+ MOZ_ASSERT(NS_IsMainThread());
+
+ UnregisterMDNSService(NS_OK);
+
+ AbortServerRetry();
+
+ if (mPresentationService) {
+ mPresentationService->SetListener(nullptr);
+ mPresentationService->Close();
+ }
+
+ return NS_OK;
+}
+
+void
+MulticastDNSDeviceProvider::AbortServerRetry()
+{
+ if (mIsServerRetrying) {
+ mIsServerRetrying = false;
+ mServerRetryTimer->Cancel();
+ }
+}
+
+nsresult
+MulticastDNSDeviceProvider::RegisterMDNSService()
+{
+ LOG_I("RegisterMDNSService: %s", mServiceName.get());
+
+ if (!mDiscoverable) {
+ return NS_OK;
+ }
+
+ // Cancel on going service registration.
+ UnregisterMDNSService(NS_OK);
+
+ nsresult rv;
+
+ uint16_t servicePort;
+ if (NS_FAILED(rv = mPresentationService->GetPort(&servicePort)) ||
+ !servicePort) {
+ // Abort service registration if server port is not available.
+ return rv;
+ }
+
+ /**
+ * Register the presentation control channel server as an mDNS service.
+ */
+ nsCOMPtr<nsIDNSServiceInfo> serviceInfo =
+ do_CreateInstance(DNSSERVICEINFO_CONTRACT_ID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (NS_WARN_IF(NS_FAILED(rv = serviceInfo->SetServiceType(
+ NS_LITERAL_CSTRING(SERVICE_TYPE))))) {
+ return rv;
+ }
+ if (NS_WARN_IF(NS_FAILED(rv = serviceInfo->SetServiceName(mServiceName)))) {
+ return rv;
+ }
+ if (NS_WARN_IF(NS_FAILED(rv = serviceInfo->SetPort(servicePort)))) {
+ return rv;
+ }
+
+ nsCOMPtr<nsIWritablePropertyBag2> propBag =
+ do_CreateInstance("@mozilla.org/hash-property-bag;1");
+ MOZ_ASSERT(propBag);
+
+ uint32_t version;
+ rv = mPresentationService->GetVersion(&version);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+
+ rv = propBag->SetPropertyAsUint32(NS_LITERAL_STRING(PROTOCOL_VERSION_TAG),
+ version);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+
+ if (mDiscoverableEncrypted) {
+ nsAutoCString certFingerprint;
+ rv = mPresentationService->GetCertFingerprint(certFingerprint);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+
+ rv = propBag->SetPropertyAsACString(NS_LITERAL_STRING(CERT_FINGERPRINT_TAG),
+ certFingerprint);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+ }
+
+ if (NS_WARN_IF(NS_FAILED(rv = serviceInfo->SetAttributes(propBag)))) {
+ return rv;
+ }
+
+ return mMulticastDNS->RegisterService(serviceInfo,
+ mWrappedListener,
+ getter_AddRefs(mRegisterRequest));
+}
+
+nsresult
+MulticastDNSDeviceProvider::UnregisterMDNSService(nsresult aReason)
+{
+ LOG_I("UnregisterMDNSService: %s (0x%08x)", mServiceName.get(), aReason);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (mRegisterRequest) {
+ mRegisterRequest->Cancel(aReason);
+ mRegisterRequest = nullptr;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::StopDiscovery(nsresult aReason)
+{
+ LOG_I("StopDiscovery (0x%08x)", aReason);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mDiscoveryTimer);
+
+ Unused << mDiscoveryTimer->Cancel();
+
+ if (mDiscoveryRequest) {
+ mDiscoveryRequest->Cancel(aReason);
+ mDiscoveryRequest = nullptr;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::Connect(Device* aDevice,
+ nsIPresentationControlChannel** aRetVal)
+{
+ MOZ_ASSERT(aDevice);
+ MOZ_ASSERT(mPresentationService);
+
+ RefPtr<TCPDeviceInfo> deviceInfo = new TCPDeviceInfo(aDevice->Id(),
+ aDevice->Address(),
+ aDevice->Port(),
+ aDevice->CertFingerprint());
+
+ return mPresentationService->Connect(deviceInfo, aRetVal);
+}
+
+bool
+MulticastDNSDeviceProvider::IsCompatibleServer(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(aServiceInfo);
+
+ nsCOMPtr<nsIPropertyBag2> propBag;
+ if (NS_WARN_IF(NS_FAILED(
+ aServiceInfo->GetAttributes(getter_AddRefs(propBag)))) || !propBag) {
+ return false;
+ }
+
+ uint32_t remoteVersion;
+ if (NS_WARN_IF(NS_FAILED(
+ propBag->GetPropertyAsUint32(NS_LITERAL_STRING(PROTOCOL_VERSION_TAG),
+ &remoteVersion)))) {
+ return false;
+ }
+
+ bool isCompatible = false;
+ Unused << NS_WARN_IF(NS_FAILED(
+ mPresentationService->IsCompatibleServer(remoteVersion,
+ &isCompatible)));
+
+ return isCompatible;
+}
+
+nsresult
+MulticastDNSDeviceProvider::AddDevice(const nsACString& aId,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ const nsACString& aCertFingerprint)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mPresentationService);
+
+ RefPtr<Device> device = new Device(aId, /* ID */
+ aServiceName,
+ aServiceType,
+ aAddress,
+ aPort,
+ aCertFingerprint,
+ DeviceState::eActive,
+ this);
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->AddDevice(device);
+ }
+
+ mDevices.AppendElement(device);
+
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::UpdateDevice(const uint32_t aIndex,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ const nsACString& aCertFingerprint)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mPresentationService);
+
+ if (NS_WARN_IF(aIndex >= mDevices.Length())) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ RefPtr<Device> device = mDevices[aIndex];
+ device->Update(aServiceName, aServiceType, aAddress, aPort, aCertFingerprint);
+ device->ChangeState(DeviceState::eActive);
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->UpdateDevice(device);
+ }
+
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::RemoveDevice(const uint32_t aIndex)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mPresentationService);
+
+ if (NS_WARN_IF(aIndex >= mDevices.Length())) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ RefPtr<Device> device = mDevices[aIndex];
+
+ LOG_I("RemoveDevice: %s", device->Id().get());
+ mDevices.RemoveElementAt(aIndex);
+
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->RemoveDevice(device);
+ }
+
+ return NS_OK;
+}
+
+bool
+MulticastDNSDeviceProvider::FindDeviceById(const nsACString& aId,
+ uint32_t& aIndex)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ RefPtr<Device> device = new Device(aId,
+ /* aName = */ EmptyCString(),
+ /* aType = */ EmptyCString(),
+ /* aHost = */ EmptyCString(),
+ /* aPort = */ 0,
+ /* aCertFingerprint */ EmptyCString(),
+ /* aState = */ DeviceState::eUnknown,
+ /* aProvider = */ nullptr);
+ size_t index = mDevices.IndexOf(device, 0, DeviceIdComparator());
+
+ if (index == mDevices.NoIndex) {
+ return false;
+ }
+
+ aIndex = index;
+ return true;
+}
+
+bool
+MulticastDNSDeviceProvider::FindDeviceByAddress(const nsACString& aAddress,
+ uint32_t& aIndex)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ RefPtr<Device> device = new Device(/* aId = */ EmptyCString(),
+ /* aName = */ EmptyCString(),
+ /* aType = */ EmptyCString(),
+ aAddress,
+ /* aPort = */ 0,
+ /* aCertFingerprint */ EmptyCString(),
+ /* aState = */ DeviceState::eUnknown,
+ /* aProvider = */ nullptr);
+ size_t index = mDevices.IndexOf(device, 0, DeviceAddressComparator());
+
+ if (index == mDevices.NoIndex) {
+ return false;
+ }
+
+ aIndex = index;
+ return true;
+}
+
+void
+MulticastDNSDeviceProvider::MarkAllDevicesUnknown()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ for (auto& device : mDevices) {
+ device->ChangeState(DeviceState::eUnknown);
+ }
+}
+
+void
+MulticastDNSDeviceProvider::ClearUnknownDevices()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ size_t i = mDevices.Length();
+ while (i > 0) {
+ --i;
+ if (mDevices[i]->State() == DeviceState::eUnknown) {
+ Unused << NS_WARN_IF(NS_FAILED(RemoveDevice(i)));
+ }
+ }
+}
+
+void
+MulticastDNSDeviceProvider::ClearDevices()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ size_t i = mDevices.Length();
+ while (i > 0) {
+ --i;
+ Unused << NS_WARN_IF(NS_FAILED(RemoveDevice(i)));
+ }
+}
+
+// nsIPresentationDeviceProvider
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::GetListener(nsIPresentationDeviceListener** aListener)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aListener)) {
+ return NS_ERROR_INVALID_POINTER;
+ }
+
+ nsresult rv;
+ nsCOMPtr<nsIPresentationDeviceListener> listener =
+ do_QueryReferent(mDeviceListener, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ listener.forget(aListener);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::SetListener(nsIPresentationDeviceListener* aListener)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mDeviceListener = do_GetWeakReference(aListener);
+
+ nsresult rv;
+ if (mDeviceListener) {
+ if (NS_WARN_IF(NS_FAILED(rv = Init()))) {
+ return rv;
+ }
+ } else {
+ if (NS_WARN_IF(NS_FAILED(rv = Uninit()))) {
+ return rv;
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::ForceDiscovery()
+{
+ LOG_I("ForceDiscovery (%d)", mDiscoveryEnabled);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!mDiscoveryEnabled) {
+ return NS_OK;
+ }
+
+ MOZ_ASSERT(mDiscoveryTimer);
+ MOZ_ASSERT(mMulticastDNS);
+
+ // if it's already discovering, extend existing discovery timeout.
+ nsresult rv;
+ if (mIsDiscovering) {
+ Unused << mDiscoveryTimer->Cancel();
+
+ if (NS_WARN_IF(NS_FAILED( rv = mDiscoveryTimer->Init(this,
+ mDiscoveryTimeoutMs,
+ nsITimer::TYPE_ONE_SHOT)))) {
+ return rv;
+ }
+ return NS_OK;
+ }
+
+ StopDiscovery(NS_OK);
+
+ if (NS_WARN_IF(NS_FAILED(rv = mMulticastDNS->StartDiscovery(
+ NS_LITERAL_CSTRING(SERVICE_TYPE),
+ mWrappedListener,
+ getter_AddRefs(mDiscoveryRequest))))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+// nsIDNSServiceDiscoveryListener
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnDiscoveryStarted(const nsACString& aServiceType)
+{
+ LOG_I("OnDiscoveryStarted");
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(mDiscoveryTimer);
+
+ MarkAllDevicesUnknown();
+
+ nsresult rv;
+ if (NS_WARN_IF(NS_FAILED(rv = mDiscoveryTimer->Init(this,
+ mDiscoveryTimeoutMs,
+ nsITimer::TYPE_ONE_SHOT)))) {
+ return rv;
+ }
+
+ mIsDiscovering = true;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnDiscoveryStopped(const nsACString& aServiceType)
+{
+ LOG_I("OnDiscoveryStopped");
+ MOZ_ASSERT(NS_IsMainThread());
+
+ ClearUnknownDevices();
+
+ mIsDiscovering = false;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnServiceFound(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aServiceInfo)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv ;
+
+ nsAutoCString serviceName;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
+ return rv;
+ }
+
+ LOG_I("OnServiceFound: %s", serviceName.get());
+
+ if (mMulticastDNS) {
+ if (NS_WARN_IF(NS_FAILED(rv = mMulticastDNS->ResolveService(
+ aServiceInfo, mWrappedListener)))) {
+ return rv;
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnServiceLost(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aServiceInfo)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv;
+
+ nsAutoCString serviceName;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
+ return rv;
+ }
+
+ LOG_I("OnServiceLost: %s", serviceName.get());
+
+ nsAutoCString host;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetHost(host)))) {
+ return rv;
+ }
+
+ uint32_t index;
+ if (!FindDeviceById(host, index)) {
+ // given device was not found
+ return NS_OK;
+ }
+
+ if (NS_WARN_IF(NS_FAILED(rv = RemoveDevice(index)))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnStartDiscoveryFailed(const nsACString& aServiceType,
+ int32_t aErrorCode)
+{
+ LOG_E("OnStartDiscoveryFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnStopDiscoveryFailed(const nsACString& aServiceType,
+ int32_t aErrorCode)
+{
+ LOG_E("OnStopDiscoveryFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+// nsIDNSRegistrationListener
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnServiceRegistered(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aServiceInfo)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ nsresult rv;
+
+ nsAutoCString name;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(name)))) {
+ return rv;
+ }
+
+ LOG_I("OnServiceRegistered (%s)", name.get());
+ mRegisteredName = name;
+
+ if (mMulticastDNS) {
+ if (NS_WARN_IF(NS_FAILED(rv = mMulticastDNS->ResolveService(
+ aServiceInfo, mWrappedListener)))) {
+ return rv;
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnServiceUnregistered(nsIDNSServiceInfo* aServiceInfo)
+{
+ LOG_I("OnServiceUnregistered");
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnRegistrationFailed(nsIDNSServiceInfo* aServiceInfo,
+ int32_t aErrorCode)
+{
+ LOG_E("OnRegistrationFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mRegisterRequest = nullptr;
+
+ if (aErrorCode == nsIDNSRegistrationListener::ERROR_SERVICE_NOT_RUNNING) {
+ return NS_DispatchToMainThread(
+ NewRunnableMethod(this, &MulticastDNSDeviceProvider::RegisterMDNSService));
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnUnregistrationFailed(nsIDNSServiceInfo* aServiceInfo,
+ int32_t aErrorCode)
+{
+ LOG_E("OnUnregistrationFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+// nsIDNSServiceResolveListener
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnServiceResolved(nsIDNSServiceInfo* aServiceInfo)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (NS_WARN_IF(!aServiceInfo)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ nsresult rv;
+
+ nsAutoCString serviceName;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
+ return rv;
+ }
+
+ LOG_I("OnServiceResolved: %s", serviceName.get());
+
+ nsAutoCString host;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetHost(host)))) {
+ return rv;
+ }
+
+ if (mRegisteredName == serviceName) {
+ LOG_I("ignore self");
+
+ if (NS_WARN_IF(NS_FAILED(rv = mPresentationService->SetId(host)))) {
+ return rv;
+ }
+
+ return NS_OK;
+ }
+
+ if (!IsCompatibleServer(aServiceInfo)) {
+ LOG_I("ignore incompatible service: %s", serviceName.get());
+ return NS_OK;
+ }
+
+ nsAutoCString address;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetAddress(address)))) {
+ return rv;
+ }
+
+ uint16_t port;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetPort(&port)))) {
+ return rv;
+ }
+
+ nsAutoCString serviceType;
+ if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceType(serviceType)))) {
+ return rv;
+ }
+
+ nsCOMPtr<nsIPropertyBag2> propBag;
+ if (NS_WARN_IF(NS_FAILED(
+ aServiceInfo->GetAttributes(getter_AddRefs(propBag)))) || !propBag) {
+ return rv;
+ }
+
+ nsAutoCString certFingerprint;
+ Unused << propBag->GetPropertyAsACString(NS_LITERAL_STRING(CERT_FINGERPRINT_TAG),
+ certFingerprint);
+
+ uint32_t index;
+ if (FindDeviceById(host, index)) {
+ return UpdateDevice(index,
+ serviceName,
+ serviceType,
+ address,
+ port,
+ certFingerprint);
+ } else {
+ return AddDevice(host,
+ serviceName,
+ serviceType,
+ address,
+ port,
+ certFingerprint);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnResolveFailed(nsIDNSServiceInfo* aServiceInfo,
+ int32_t aErrorCode)
+{
+ LOG_E("OnResolveFailed: %d", aErrorCode);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ return NS_OK;
+}
+
+// nsIPresentationControlServerListener
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnServerReady(uint16_t aPort,
+ const nsACString& aCertFingerprint)
+{
+ LOG_I("OnServerReady: %d, %s", aPort, PromiseFlatCString(aCertFingerprint).get());
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (mDiscoverable) {
+ RegisterMDNSService();
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnServerStopped(nsresult aResult)
+{
+ LOG_I("OnServerStopped: (0x%08x)", aResult);
+
+ UnregisterMDNSService(aResult);
+
+ // Try restart server if it is stopped abnormally.
+ if (NS_FAILED(aResult) && mDiscoverable) {
+ mIsServerRetrying = true;
+ mServerRetryTimer->Init(this, mServerRetryMs, nsITimer::TYPE_ONE_SHOT);
+ }
+
+ return NS_OK;
+}
+
+// Create a new device if we were unable to find one with the address.
+already_AddRefed<MulticastDNSDeviceProvider::Device>
+MulticastDNSDeviceProvider::GetOrCreateDevice(nsITCPDeviceInfo* aDeviceInfo)
+{
+ nsAutoCString address;
+ Unused << aDeviceInfo->GetAddress(address);
+
+ RefPtr<Device> device;
+ uint32_t index;
+ if (FindDeviceByAddress(address, index)) {
+ device = mDevices[index];
+ } else {
+ // Create a one-time device object for non-discoverable controller.
+ // This device will not be in the list of available devices and cannot
+ // be used for requesting session.
+ nsAutoCString id;
+ Unused << aDeviceInfo->GetId(id);
+ uint16_t port;
+ Unused << aDeviceInfo->GetPort(&port);
+
+ device = new Device(id,
+ /* aName = */ id,
+ /* aType = */ EmptyCString(),
+ address,
+ port,
+ /* aCertFingerprint */ EmptyCString(),
+ DeviceState::eActive,
+ /* aProvider = */ nullptr);
+ }
+
+ return device.forget();
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnSessionRequest(nsITCPDeviceInfo* aDeviceInfo,
+ const nsAString& aUrl,
+ const nsAString& aPresentationId,
+ nsIPresentationControlChannel* aControlChannel)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ nsAutoCString address;
+ Unused << aDeviceInfo->GetAddress(address);
+
+ LOG_I("OnSessionRequest: %s", address.get());
+
+ RefPtr<Device> device = GetOrCreateDevice(aDeviceInfo);
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->OnSessionRequest(device, aUrl, aPresentationId,
+ aControlChannel);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnTerminateRequest(nsITCPDeviceInfo* aDeviceInfo,
+ const nsAString& aPresentationId,
+ nsIPresentationControlChannel* aControlChannel,
+ bool aIsFromReceiver)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ nsAutoCString address;
+ Unused << aDeviceInfo->GetAddress(address);
+
+ LOG_I("OnTerminateRequest: %s", address.get());
+
+ RefPtr<Device> device = GetOrCreateDevice(aDeviceInfo);
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->OnTerminateRequest(device, aPresentationId,
+ aControlChannel, aIsFromReceiver);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::OnReconnectRequest(nsITCPDeviceInfo* aDeviceInfo,
+ const nsAString& aUrl,
+ const nsAString& aPresentationId,
+ nsIPresentationControlChannel* aControlChannel)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ nsAutoCString address;
+ Unused << aDeviceInfo->GetAddress(address);
+
+ LOG_I("OnReconnectRequest: %s", address.get());
+
+ RefPtr<Device> device = GetOrCreateDevice(aDeviceInfo);
+ nsCOMPtr<nsIPresentationDeviceListener> listener;
+ if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
+ Unused << listener->OnReconnectRequest(device, aUrl, aPresentationId,
+ aControlChannel);
+ }
+
+ return NS_OK;
+}
+
+// nsIObserver
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::Observe(nsISupports* aSubject,
+ const char* aTopic,
+ const char16_t* aData)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ NS_ConvertUTF16toUTF8 data(aData);
+ LOG_I("Observe: topic = %s, data = %s", aTopic, data.get());
+
+ if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID)) {
+ if (data.EqualsLiteral(PREF_PRESENTATION_DISCOVERY)) {
+ OnDiscoveryChanged(Preferences::GetBool(PREF_PRESENTATION_DISCOVERY));
+ } else if (data.EqualsLiteral(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS)) {
+ OnDiscoveryTimeoutChanged(Preferences::GetUint(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS));
+ } else if (data.EqualsLiteral(PREF_PRESENTATION_DISCOVERABLE)) {
+ OnDiscoverableChanged(Preferences::GetBool(PREF_PRESENTATION_DISCOVERABLE));
+ } else if (data.EqualsLiteral(PREF_PRESENTATION_DEVICE_NAME)) {
+ nsAdoptingCString newServiceName = Preferences::GetCString(PREF_PRESENTATION_DEVICE_NAME);
+ if (!mServiceName.Equals(newServiceName)) {
+ OnServiceNameChanged(newServiceName);
+ }
+ }
+ } else if (!strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC)) {
+ nsCOMPtr<nsITimer> timer = do_QueryInterface(aSubject);
+ if (!timer) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ if (timer == mDiscoveryTimer) {
+ StopDiscovery(NS_OK);
+ } else if (timer == mServerRetryTimer) {
+ mIsServerRetrying = false;
+ StartServer();
+ }
+ }
+
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::OnDiscoveryChanged(bool aEnabled)
+{
+ LOG_I("DiscoveryEnabled = %d\n", aEnabled);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mDiscoveryEnabled = aEnabled;
+
+ if (mDiscoveryEnabled) {
+ return ForceDiscovery();
+ }
+
+ return StopDiscovery(NS_OK);
+}
+
+nsresult
+MulticastDNSDeviceProvider::OnDiscoveryTimeoutChanged(uint32_t aTimeoutMs)
+{
+ LOG_I("OnDiscoveryTimeoutChanged = %d\n", aTimeoutMs);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mDiscoveryTimeoutMs = aTimeoutMs;
+
+ return NS_OK;
+}
+
+nsresult
+MulticastDNSDeviceProvider::OnDiscoverableChanged(bool aEnabled)
+{
+ LOG_I("Discoverable = %d\n", aEnabled);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mDiscoverable = aEnabled;
+
+ if (mDiscoverable) {
+ return StartServer();
+ }
+
+ return StopServer();
+}
+
+nsresult
+MulticastDNSDeviceProvider::OnServiceNameChanged(const nsACString& aServiceName)
+{
+ LOG_I("serviceName = %s\n", PromiseFlatCString(aServiceName).get());
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mServiceName = aServiceName;
+
+ nsresult rv;
+ if (NS_WARN_IF(NS_FAILED(rv = UnregisterMDNSService(NS_OK)))) {
+ return rv;
+ }
+
+ if (mDiscoverable) {
+ return RegisterMDNSService();
+ }
+
+ return NS_OK;
+}
+
+// MulticastDNSDeviceProvider::Device
+NS_IMPL_ISUPPORTS(MulticastDNSDeviceProvider::Device,
+ nsIPresentationDevice)
+
+// nsIPresentationDevice
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::Device::GetId(nsACString& aId)
+{
+ aId = mId;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::Device::GetName(nsACString& aName)
+{
+ aName = mName;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::Device::GetType(nsACString& aType)
+{
+ aType = mType;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::Device::EstablishControlChannel(
+ nsIPresentationControlChannel** aRetVal)
+{
+ if (!mProvider) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return mProvider->Connect(this, aRetVal);
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::Device::Disconnect()
+{
+ // No need to do anything when disconnect.
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+MulticastDNSDeviceProvider::Device::IsRequestedUrlSupported(
+ const nsAString& aRequestedUrl,
+ bool* aRetVal)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (!aRetVal) {
+ return NS_ERROR_INVALID_POINTER;
+ }
+
+ // TV 2.6 also supports presentation Apps and HTTP/HTTPS hosted receiver page.
+ if (DeviceProviderHelpers::IsFxTVSupportedAppUrl(aRequestedUrl) ||
+ DeviceProviderHelpers::IsCommonlySupportedScheme(aRequestedUrl)) {
+ *aRetVal = true;
+ }
+
+ return NS_OK;
+}
+
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/presentation/provider/MulticastDNSDeviceProvider.h b/dom/presentation/provider/MulticastDNSDeviceProvider.h
new file mode 100644
index 000000000..c6a91b3d8
--- /dev/null
+++ b/dom/presentation/provider/MulticastDNSDeviceProvider.h
@@ -0,0 +1,225 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+#ifndef mozilla_dom_presentation_provider_MulticastDNSDeviceProvider_h
+#define mozilla_dom_presentation_provider_MulticastDNSDeviceProvider_h
+
+#include "mozilla/RefPtr.h"
+#include "nsCOMPtr.h"
+#include "nsICancelable.h"
+#include "nsIDNSServiceDiscovery.h"
+#include "nsIObserver.h"
+#include "nsIPresentationDevice.h"
+#include "nsIPresentationDeviceProvider.h"
+#include "nsIPresentationControlService.h"
+#include "nsITimer.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nsWeakPtr.h"
+
+class nsITCPDeviceInfo;
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+
+class DNSServiceWrappedListener;
+class MulticastDNSService;
+
+class MulticastDNSDeviceProvider final
+ : public nsIPresentationDeviceProvider
+ , public nsIDNSServiceDiscoveryListener
+ , public nsIDNSRegistrationListener
+ , public nsIDNSServiceResolveListener
+ , public nsIPresentationControlServerListener
+ , public nsIObserver
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIPRESENTATIONDEVICEPROVIDER
+ NS_DECL_NSIDNSSERVICEDISCOVERYLISTENER
+ NS_DECL_NSIDNSREGISTRATIONLISTENER
+ NS_DECL_NSIDNSSERVICERESOLVELISTENER
+ NS_DECL_NSIPRESENTATIONCONTROLSERVERLISTENER
+ NS_DECL_NSIOBSERVER
+
+ explicit MulticastDNSDeviceProvider() = default;
+ nsresult Init();
+ nsresult Uninit();
+
+private:
+ enum class DeviceState : uint32_t {
+ eUnknown,
+ eActive
+ };
+
+ class Device final : public nsIPresentationDevice
+ {
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIPRESENTATIONDEVICE
+
+ explicit Device(const nsACString& aId,
+ const nsACString& aName,
+ const nsACString& aType,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ const nsACString& aCertFingerprint,
+ DeviceState aState,
+ MulticastDNSDeviceProvider* aProvider)
+ : mId(aId)
+ , mName(aName)
+ , mType(aType)
+ , mAddress(aAddress)
+ , mPort(aPort)
+ , mCertFingerprint(aCertFingerprint)
+ , mState(aState)
+ , mProvider(aProvider)
+ {
+ }
+
+ const nsCString& Id() const
+ {
+ return mId;
+ }
+
+ const nsCString& Address() const
+ {
+ return mAddress;
+ }
+
+ uint16_t Port() const
+ {
+ return mPort;
+ }
+
+ const nsCString& CertFingerprint() const
+ {
+ return mCertFingerprint;
+ }
+
+ DeviceState State() const
+ {
+ return mState;
+ }
+
+ void ChangeState(DeviceState aState)
+ {
+ mState = aState;
+ }
+
+ void Update(const nsACString& aName,
+ const nsACString& aType,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ const nsACString& aCertFingerprint)
+ {
+ mName = aName;
+ mType = aType;
+ mAddress = aAddress;
+ mPort = aPort;
+ mCertFingerprint = aCertFingerprint;
+ }
+
+ private:
+ virtual ~Device() = default;
+
+ nsCString mId;
+ nsCString mName;
+ nsCString mType;
+ nsCString mAddress;
+ uint16_t mPort;
+ nsCString mCertFingerprint;
+ DeviceState mState;
+ MulticastDNSDeviceProvider* mProvider;
+ };
+
+ struct DeviceIdComparator {
+ bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
+ return aA->Id() == aB->Id();
+ }
+ };
+
+ struct DeviceAddressComparator {
+ bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
+ return aA->Address() == aB->Address();
+ }
+ };
+
+ virtual ~MulticastDNSDeviceProvider();
+ nsresult StartServer();
+ nsresult StopServer();
+ void AbortServerRetry();
+ nsresult RegisterMDNSService();
+ nsresult UnregisterMDNSService(nsresult aReason);
+ nsresult StopDiscovery(nsresult aReason);
+ nsresult Connect(Device* aDevice,
+ nsIPresentationControlChannel** aRetVal);
+ bool IsCompatibleServer(nsIDNSServiceInfo* aServiceInfo);
+
+ // device manipulation
+ nsresult AddDevice(const nsACString& aId,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ const nsACString& aCertFingerprint);
+ nsresult UpdateDevice(const uint32_t aIndex,
+ const nsACString& aServiceName,
+ const nsACString& aServiceType,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ const nsACString& aCertFingerprint);
+ nsresult RemoveDevice(const uint32_t aIndex);
+ bool FindDeviceById(const nsACString& aId,
+ uint32_t& aIndex);
+
+ bool FindDeviceByAddress(const nsACString& aAddress,
+ uint32_t& aIndex);
+
+ already_AddRefed<Device>
+ GetOrCreateDevice(nsITCPDeviceInfo* aDeviceInfo);
+
+ void MarkAllDevicesUnknown();
+ void ClearUnknownDevices();
+ void ClearDevices();
+
+ // preferences
+ nsresult OnDiscoveryChanged(bool aEnabled);
+ nsresult OnDiscoveryTimeoutChanged(uint32_t aTimeoutMs);
+ nsresult OnDiscoverableChanged(bool aEnabled);
+ nsresult OnServiceNameChanged(const nsACString& aServiceName);
+
+ bool mInitialized = false;
+ nsWeakPtr mDeviceListener;
+ nsCOMPtr<nsIPresentationControlService> mPresentationService;
+ nsCOMPtr<nsIDNSServiceDiscovery> mMulticastDNS;
+ RefPtr<DNSServiceWrappedListener> mWrappedListener;
+
+ nsCOMPtr<nsICancelable> mDiscoveryRequest;
+ nsCOMPtr<nsICancelable> mRegisterRequest;
+
+ nsTArray<RefPtr<Device>> mDevices;
+
+ bool mDiscoveryEnabled = false;
+ bool mIsDiscovering = false;
+ uint32_t mDiscoveryTimeoutMs;
+ nsCOMPtr<nsITimer> mDiscoveryTimer;
+
+ bool mDiscoverable = false;
+ bool mDiscoverableEncrypted = false;
+ bool mIsServerRetrying = false;
+ uint32_t mServerRetryMs;
+ nsCOMPtr<nsITimer> mServerRetryTimer;
+
+ nsCString mServiceName;
+ nsCString mRegisteredName;
+};
+
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_presentation_provider_MulticastDNSDeviceProvider_h
diff --git a/dom/presentation/provider/PresentationControlService.js b/dom/presentation/provider/PresentationControlService.js
new file mode 100644
index 000000000..fe61d26d6
--- /dev/null
+++ b/dom/presentation/provider/PresentationControlService.js
@@ -0,0 +1,961 @@
+/* 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/. */
+/* jshint esnext:true, globalstrict:true, moz:true, undef:true, unused:true */
+/* globals Components, dump */
+"use strict";
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+/* globals XPCOMUtils */
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+/* globals Services */
+Cu.import("resource://gre/modules/Services.jsm");
+/* globals NetUtil */
+Cu.import("resource://gre/modules/NetUtil.jsm");
+/* globals setTimeout, clearTimeout */
+Cu.import("resource://gre/modules/Timer.jsm");
+
+/* globals ControllerStateMachine */
+XPCOMUtils.defineLazyModuleGetter(this, "ControllerStateMachine", // jshint ignore:line
+ "resource://gre/modules/presentation/ControllerStateMachine.jsm");
+/* global ReceiverStateMachine */
+XPCOMUtils.defineLazyModuleGetter(this, "ReceiverStateMachine", // jshint ignore:line
+ "resource://gre/modules/presentation/ReceiverStateMachine.jsm");
+
+const kProtocolVersion = 1; // need to review isCompatibleServer while fiddling the version number.
+const kLocalCertName = "presentation";
+
+const DEBUG = Services.prefs.getBoolPref("dom.presentation.tcp_server.debug");
+function log(aMsg) {
+ dump("-*- PresentationControlService.js: " + aMsg + "\n");
+}
+
+function TCPDeviceInfo(aAddress, aPort, aId, aCertFingerprint) {
+ this.address = aAddress;
+ this.port = aPort;
+ this.id = aId;
+ this.certFingerprint = aCertFingerprint || "";
+}
+
+function PresentationControlService() {
+ this._id = null;
+ this._port = 0;
+ this._serverSocket = null;
+}
+
+PresentationControlService.prototype = {
+ /**
+ * If a user agent connects to this server, we create a control channel but
+ * hand it to |TCPDevice.listener| when the initial information exchange
+ * finishes. Therefore, we hold the control channels in this period.
+ */
+ _controlChannels: [],
+
+ startServer: function(aEncrypted, aPort) {
+ if (this._isServiceInit()) {
+ DEBUG && log("PresentationControlService - server socket has been initialized"); // jshint ignore:line
+ throw Cr.NS_ERROR_FAILURE;
+ }
+
+ /**
+ * 0 or undefined indicates opt-out parameter, and a port will be selected
+ * automatically.
+ */
+ let serverSocketPort = (typeof aPort !== "undefined" && aPort !== 0) ? aPort : -1;
+
+ if (aEncrypted) {
+ let self = this;
+ let localCertService = Cc["@mozilla.org/security/local-cert-service;1"]
+ .getService(Ci.nsILocalCertService);
+ localCertService.getOrCreateCert(kLocalCertName, {
+ handleCert: function(aCert, aRv) {
+ DEBUG && log("PresentationControlService - handleCert"); // jshint ignore:line
+ if (aRv) {
+ self._notifyServerStopped(aRv);
+ } else {
+ self._serverSocket = Cc["@mozilla.org/network/tls-server-socket;1"]
+ .createInstance(Ci.nsITLSServerSocket);
+
+ self._serverSocketInit(serverSocketPort, aCert);
+ }
+ }
+ });
+ } else {
+ this._serverSocket = Cc["@mozilla.org/network/server-socket;1"]
+ .createInstance(Ci.nsIServerSocket);
+
+ this._serverSocketInit(serverSocketPort, null);
+ }
+ },
+
+ _serverSocketInit: function(aPort, aCert) {
+ if (!this._serverSocket) {
+ DEBUG && log("PresentationControlService - create server socket fail."); // jshint ignore:line
+ throw Cr.NS_ERROR_FAILURE;
+ }
+
+ try {
+ this._serverSocket.init(aPort, false, -1);
+
+ if (aCert) {
+ this._serverSocket.serverCert = aCert;
+ this._serverSocket.setSessionCache(false);
+ this._serverSocket.setSessionTickets(false);
+ let requestCert = Ci.nsITLSServerSocket.REQUEST_NEVER;
+ this._serverSocket.setRequestClientCertificate(requestCert);
+ }
+
+ this._serverSocket.asyncListen(this);
+ } catch (e) {
+ // NS_ERROR_SOCKET_ADDRESS_IN_USE
+ DEBUG && log("PresentationControlService - init server socket fail: " + e); // jshint ignore:line
+ throw Cr.NS_ERROR_FAILURE;
+ }
+
+ this._port = this._serverSocket.port;
+
+ DEBUG && log("PresentationControlService - service start on port: " + this._port); // jshint ignore:line
+
+ // Monitor network interface change to restart server socket.
+ Services.obs.addObserver(this, "network:offline-status-changed", false);
+
+ this._notifyServerReady();
+ },
+
+ _notifyServerReady: function() {
+ Services.tm.mainThread.dispatch(() => {
+ if (this._listener) {
+ this._listener.onServerReady(this._port, this.certFingerprint);
+ }
+ }, Ci.nsIThread.DISPATCH_NORMAL);
+ },
+
+ _notifyServerStopped: function(aRv) {
+ Services.tm.mainThread.dispatch(() => {
+ if (this._listener) {
+ this._listener.onServerStopped(aRv);
+ }
+ }, Ci.nsIThread.DISPATCH_NORMAL);
+ },
+
+ isCompatibleServer: function(aVersion) {
+ // No compatibility issue for the first version of control protocol
+ return this.version === aVersion;
+ },
+
+ get id() {
+ return this._id;
+ },
+
+ set id(aId) {
+ this._id = aId;
+ },
+
+ get port() {
+ return this._port;
+ },
+
+ get version() {
+ return kProtocolVersion;
+ },
+
+ get certFingerprint() {
+ if (!this._serverSocket.serverCert) {
+ return null;
+ }
+
+ return this._serverSocket.serverCert.sha256Fingerprint;
+ },
+
+ set listener(aListener) {
+ this._listener = aListener;
+ },
+
+ get listener() {
+ return this._listener;
+ },
+
+ _isServiceInit: function() {
+ return this._serverSocket !== null;
+ },
+
+ connect: function(aDeviceInfo) {
+ if (!this.id) {
+ DEBUG && log("PresentationControlService - Id has not initialized; connect fails"); // jshint ignore:line
+ return null;
+ }
+ DEBUG && log("PresentationControlService - connect to " + aDeviceInfo.id); // jshint ignore:line
+
+ let socketTransport = this._attemptConnect(aDeviceInfo);
+ return new TCPControlChannel(this,
+ socketTransport,
+ aDeviceInfo,
+ "sender");
+ },
+
+ _attemptConnect: function(aDeviceInfo) {
+ let sts = Cc["@mozilla.org/network/socket-transport-service;1"]
+ .getService(Ci.nsISocketTransportService);
+
+ let socketTransport;
+ try {
+ if (aDeviceInfo.certFingerprint) {
+ let overrideService = Cc["@mozilla.org/security/certoverride;1"]
+ .getService(Ci.nsICertOverrideService);
+ overrideService.rememberTemporaryValidityOverrideUsingFingerprint(
+ aDeviceInfo.address,
+ aDeviceInfo.port,
+ aDeviceInfo.certFingerprint,
+ Ci.nsICertOverrideService.ERROR_UNTRUSTED | Ci.nsICertOverrideService.ERROR_MISMATCH);
+
+ socketTransport = sts.createTransport(["ssl"],
+ 1,
+ aDeviceInfo.address,
+ aDeviceInfo.port,
+ null);
+ } else {
+ socketTransport = sts.createTransport(null,
+ 0,
+ aDeviceInfo.address,
+ aDeviceInfo.port,
+ null);
+ }
+ // Shorten the connection failure procedure.
+ socketTransport.setTimeout(Ci.nsISocketTransport.TIMEOUT_CONNECT, 2);
+ } catch (e) {
+ DEBUG && log("PresentationControlService - createTransport throws: " + e); // jshint ignore:line
+ // Pop the exception to |TCPDevice.establishControlChannel|
+ throw Cr.NS_ERROR_FAILURE;
+ }
+ return socketTransport;
+ },
+
+ responseSession: function(aDeviceInfo, aSocketTransport) {
+ if (!this._isServiceInit()) {
+ DEBUG && log("PresentationControlService - should never receive remote " +
+ "session request before server socket initialization"); // jshint ignore:line
+ return null;
+ }
+ DEBUG && log("PresentationControlService - responseSession to " +
+ JSON.stringify(aDeviceInfo)); // jshint ignore:line
+ return new TCPControlChannel(this,
+ aSocketTransport,
+ aDeviceInfo,
+ "receiver");
+ },
+
+ // Triggered by TCPControlChannel
+ onSessionRequest: function(aDeviceInfo, aUrl, aPresentationId, aControlChannel) {
+ DEBUG && log("PresentationControlService - onSessionRequest: " +
+ aDeviceInfo.address + ":" + aDeviceInfo.port); // jshint ignore:line
+ if (!this.listener) {
+ this.releaseControlChannel(aControlChannel);
+ return;
+ }
+
+ this.listener.onSessionRequest(aDeviceInfo,
+ aUrl,
+ aPresentationId,
+ aControlChannel);
+ this.releaseControlChannel(aControlChannel);
+ },
+
+ onSessionTerminate: function(aDeviceInfo, aPresentationId, aControlChannel, aIsFromReceiver) {
+ DEBUG && log("TCPPresentationServer - onSessionTerminate: " +
+ aDeviceInfo.address + ":" + aDeviceInfo.port); // jshint ignore:line
+ if (!this.listener) {
+ this.releaseControlChannel(aControlChannel);
+ return;
+ }
+
+ this.listener.onTerminateRequest(aDeviceInfo,
+ aPresentationId,
+ aControlChannel,
+ aIsFromReceiver);
+ this.releaseControlChannel(aControlChannel);
+ },
+
+ onSessionReconnect: function(aDeviceInfo, aUrl, aPresentationId, aControlChannel) {
+ DEBUG && log("TCPPresentationServer - onSessionReconnect: " +
+ aDeviceInfo.address + ":" + aDeviceInfo.port); // jshint ignore:line
+ if (!this.listener) {
+ this.releaseControlChannel(aControlChannel);
+ return;
+ }
+
+ this.listener.onReconnectRequest(aDeviceInfo,
+ aUrl,
+ aPresentationId,
+ aControlChannel);
+ this.releaseControlChannel(aControlChannel);
+ },
+
+ // nsIServerSocketListener (Triggered by nsIServerSocket.init)
+ onSocketAccepted: function(aServerSocket, aClientSocket) {
+ DEBUG && log("PresentationControlService - onSocketAccepted: " +
+ aClientSocket.host + ":" + aClientSocket.port); // jshint ignore:line
+ let deviceInfo = new TCPDeviceInfo(aClientSocket.host, aClientSocket.port);
+ this.holdControlChannel(this.responseSession(deviceInfo, aClientSocket));
+ },
+
+ holdControlChannel: function(aControlChannel) {
+ this._controlChannels.push(aControlChannel);
+ },
+
+ releaseControlChannel: function(aControlChannel) {
+ let index = this._controlChannels.indexOf(aControlChannel);
+ if (index !== -1) {
+ delete this._controlChannels[index];
+ }
+ },
+
+ // nsIServerSocketListener (Triggered by nsIServerSocket.init)
+ onStopListening: function(aServerSocket, aStatus) {
+ DEBUG && log("PresentationControlService - onStopListening: " + aStatus); // jshint ignore:line
+ },
+
+ close: function() {
+ DEBUG && log("PresentationControlService - close"); // jshint ignore:line
+ if (this._isServiceInit()) {
+ DEBUG && log("PresentationControlService - close server socket"); // jshint ignore:line
+ this._serverSocket.close();
+ this._serverSocket = null;
+
+ Services.obs.removeObserver(this, "network:offline-status-changed");
+
+ this._notifyServerStopped(Cr.NS_OK);
+ }
+ this._port = 0;
+ },
+
+ // nsIObserver
+ observe: function(aSubject, aTopic, aData) {
+ DEBUG && log("PresentationControlService - observe: " + aTopic); // jshint ignore:line
+ switch (aTopic) {
+ case "network:offline-status-changed": {
+ if (aData == "offline") {
+ DEBUG && log("network offline"); // jshint ignore:line
+ return;
+ }
+ this._restartServer();
+ break;
+ }
+ }
+ },
+
+ _restartServer: function() {
+ DEBUG && log("PresentationControlService - restart service"); // jshint ignore:line
+
+ // restart server socket
+ if (this._isServiceInit()) {
+ this.close();
+
+ try {
+ this.startServer();
+ } catch (e) {
+ DEBUG && log("PresentationControlService - restart service fail: " + e); // jshint ignore:line
+ }
+ }
+ },
+
+ classID: Components.ID("{f4079b8b-ede5-4b90-a112-5b415a931deb}"),
+ QueryInterface : XPCOMUtils.generateQI([Ci.nsIServerSocketListener,
+ Ci.nsIPresentationControlService,
+ Ci.nsIObserver]),
+};
+
+function ChannelDescription(aInit) {
+ this._type = aInit.type;
+ switch (this._type) {
+ case Ci.nsIPresentationChannelDescription.TYPE_TCP:
+ this._tcpAddresses = Cc["@mozilla.org/array;1"]
+ .createInstance(Ci.nsIMutableArray);
+ for (let address of aInit.tcpAddress) {
+ let wrapper = Cc["@mozilla.org/supports-cstring;1"]
+ .createInstance(Ci.nsISupportsCString);
+ wrapper.data = address;
+ this._tcpAddresses.appendElement(wrapper, false);
+ }
+
+ this._tcpPort = aInit.tcpPort;
+ break;
+ case Ci.nsIPresentationChannelDescription.TYPE_DATACHANNEL:
+ this._dataChannelSDP = aInit.dataChannelSDP;
+ break;
+ }
+}
+
+ChannelDescription.prototype = {
+ _type: 0,
+ _tcpAddresses: null,
+ _tcpPort: 0,
+ _dataChannelSDP: "",
+
+ get type() {
+ return this._type;
+ },
+
+ get tcpAddress() {
+ return this._tcpAddresses;
+ },
+
+ get tcpPort() {
+ return this._tcpPort;
+ },
+
+ get dataChannelSDP() {
+ return this._dataChannelSDP;
+ },
+
+ classID: Components.ID("{82507aea-78a2-487e-904a-858a6c5bf4e1}"),
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationChannelDescription]),
+};
+
+// Helper function: transfer nsIPresentationChannelDescription to json
+function discriptionAsJson(aDescription) {
+ let json = {};
+ json.type = aDescription.type;
+ switch(aDescription.type) {
+ case Ci.nsIPresentationChannelDescription.TYPE_TCP:
+ let addresses = aDescription.tcpAddress.QueryInterface(Ci.nsIArray);
+ json.tcpAddress = [];
+ for (let idx = 0; idx < addresses.length; idx++) {
+ let address = addresses.queryElementAt(idx, Ci.nsISupportsCString);
+ json.tcpAddress.push(address.data);
+ }
+ json.tcpPort = aDescription.tcpPort;
+ break;
+ case Ci.nsIPresentationChannelDescription.TYPE_DATACHANNEL:
+ json.dataChannelSDP = aDescription.dataChannelSDP;
+ break;
+ }
+ return json;
+}
+
+const kDisconnectTimeout = 5000;
+const kTerminateTimeout = 5000;
+
+function TCPControlChannel(presentationService,
+ transport,
+ deviceInfo,
+ direction) {
+ DEBUG && log("create TCPControlChannel for : " + direction); // jshint ignore:line
+ this._deviceInfo = deviceInfo;
+ this._direction = direction;
+ this._transport = transport;
+
+ this._presentationService = presentationService;
+
+ if (direction === "receiver") {
+ // Need to set security observer before I/O stream operation.
+ this._setSecurityObserver(this);
+ }
+
+ let currentThread = Services.tm.currentThread;
+ transport.setEventSink(this, currentThread);
+
+ this._input = this._transport.openInputStream(0, 0, 0)
+ .QueryInterface(Ci.nsIAsyncInputStream);
+ this._input.asyncWait(this.QueryInterface(Ci.nsIStreamListener),
+ Ci.nsIAsyncInputStream.WAIT_CLOSURE_ONLY,
+ 0,
+ currentThread);
+
+ this._output = this._transport
+ .openOutputStream(Ci.nsITransport.OPEN_UNBUFFERED, 0, 0)
+ .QueryInterface(Ci.nsIAsyncOutputStream);
+
+ this._outgoingMsgs = [];
+
+
+ this._stateMachine =
+ (direction === "sender") ? new ControllerStateMachine(this, presentationService.id)
+ : new ReceiverStateMachine(this);
+
+ if (direction === "receiver" && !transport.securityInfo) {
+ // Since the transport created by server socket is already CONNECTED_TO.
+ this._outgoingEnabled = true;
+ this._createInputStreamPump();
+ }
+}
+
+TCPControlChannel.prototype = {
+ _outgoingEnabled: false,
+ _incomingEnabled: false,
+ _pendingOpen: false,
+ _pendingOffer: null,
+ _pendingAnswer: null,
+ _pendingClose: null,
+ _pendingCloseReason: null,
+ _pendingReconnect: false,
+
+ sendOffer: function(aOffer) {
+ this._stateMachine.sendOffer(discriptionAsJson(aOffer));
+ },
+
+ sendAnswer: function(aAnswer) {
+ this._stateMachine.sendAnswer(discriptionAsJson(aAnswer));
+ },
+
+ sendIceCandidate: function(aCandidate) {
+ this._stateMachine.updateIceCandidate(aCandidate);
+ },
+
+ launch: function(aPresentationId, aUrl) {
+ this._stateMachine.launch(aPresentationId, aUrl);
+ },
+
+ terminate: function(aPresentationId) {
+ if (!this._terminatingId) {
+ this._terminatingId = aPresentationId;
+ this._stateMachine.terminate(aPresentationId);
+
+ // Start a guard timer to ensure terminateAck is processed.
+ this._terminateTimer = setTimeout(() => {
+ DEBUG && log("TCPControlChannel - terminate timeout: " + aPresentationId); // jshint ignore:line
+ delete this._terminateTimer;
+ if (this._pendingDisconnect) {
+ this._pendingDisconnect();
+ } else {
+ this.disconnect(Cr.NS_OK);
+ }
+ }, kTerminateTimeout);
+ } else {
+ this._stateMachine.terminateAck(aPresentationId);
+ delete this._terminatingId;
+ }
+ },
+
+ _flushOutgoing: function() {
+ if (!this._outgoingEnabled || this._outgoingMsgs.length === 0) {
+ return;
+ }
+
+ this._output.asyncWait(this, 0, 0, Services.tm.currentThread);
+ },
+
+ // may throw an exception
+ _send: function(aMsg) {
+ DEBUG && log("TCPControlChannel - Send: " + JSON.stringify(aMsg, null, 2)); // jshint ignore:line
+
+ /**
+ * XXX In TCP streaming, it is possible that more than one message in one
+ * TCP packet. We use line delimited JSON to identify where one JSON encoded
+ * object ends and the next begins. Therefore, we do not allow newline
+ * characters whithin the whole message, and add a newline at the end.
+ * Please see the parser code in |onDataAvailable|.
+ */
+ let message = JSON.stringify(aMsg).replace(["\n"], "") + "\n";
+ try {
+ this._output.write(message, message.length);
+ } catch(e) {
+ DEBUG && log("TCPControlChannel - Failed to send message: " + e.name); // jshint ignore:line
+ throw e;
+ }
+ },
+
+ _setSecurityObserver: function(observer) {
+ if (this._transport && this._transport.securityInfo) {
+ DEBUG && log("TCPControlChannel - setSecurityObserver: " + observer); // jshint ignore:line
+ let connectionInfo = this._transport.securityInfo
+ .QueryInterface(Ci.nsITLSServerConnectionInfo);
+ connectionInfo.setSecurityObserver(observer);
+ }
+ },
+
+ // nsITLSServerSecurityObserver
+ onHandshakeDone: function(socket, clientStatus) {
+ log("TCPControlChannel - onHandshakeDone: TLS version: " + clientStatus.tlsVersionUsed.toString(16));
+ this._setSecurityObserver(null);
+
+ // Process input/output after TLS handshake is complete.
+ this._outgoingEnabled = true;
+ this._createInputStreamPump();
+ },
+
+ // nsIAsyncOutputStream
+ onOutputStreamReady: function() {
+ DEBUG && log("TCPControlChannel - onOutputStreamReady"); // jshint ignore:line
+ if (this._outgoingMsgs.length === 0) {
+ return;
+ }
+
+ try {
+ this._send(this._outgoingMsgs[0]);
+ } catch (e) {
+ if (e.result === Cr.NS_BASE_STREAM_WOULD_BLOCK) {
+ this._output.asyncWait(this, 0, 0, Services.tm.currentThread);
+ return;
+ }
+
+ this._closeTransport();
+ return;
+ }
+ this._outgoingMsgs.shift();
+ this._flushOutgoing();
+ },
+
+ // nsIAsyncInputStream (Triggered by nsIInputStream.asyncWait)
+ // Only used for detecting connection refused
+ onInputStreamReady: function(aStream) {
+ DEBUG && log("TCPControlChannel - onInputStreamReady"); // jshint ignore:line
+ try {
+ aStream.available();
+ } catch (e) {
+ DEBUG && log("TCPControlChannel - onInputStreamReady error: " + e.name); // jshint ignore:line
+ // NS_ERROR_CONNECTION_REFUSED
+ this._notifyDisconnected(e.result);
+ }
+ },
+
+ // nsITransportEventSink (Triggered by nsISocketTransport.setEventSink)
+ onTransportStatus: function(aTransport, aStatus) {
+ DEBUG && log("TCPControlChannel - onTransportStatus: " + aStatus.toString(16) +
+ " with role: " + this._direction); // jshint ignore:line
+ if (aStatus === Ci.nsISocketTransport.STATUS_CONNECTED_TO) {
+ this._outgoingEnabled = true;
+ this._createInputStreamPump();
+ }
+ },
+
+ // nsIRequestObserver (Triggered by nsIInputStreamPump.asyncRead)
+ onStartRequest: function() {
+ DEBUG && log("TCPControlChannel - onStartRequest with role: " +
+ this._direction); // jshint ignore:line
+ this._incomingEnabled = true;
+ },
+
+ // nsIRequestObserver (Triggered by nsIInputStreamPump.asyncRead)
+ onStopRequest: function(aRequest, aContext, aStatus) {
+ DEBUG && log("TCPControlChannel - onStopRequest: " + aStatus +
+ " with role: " + this._direction); // jshint ignore:line
+ this._stateMachine.onChannelClosed(aStatus, true);
+ },
+
+ // nsIStreamListener (Triggered by nsIInputStreamPump.asyncRead)
+ onDataAvailable: function(aRequest, aContext, aInputStream) {
+ let data = NetUtil.readInputStreamToString(aInputStream,
+ aInputStream.available());
+ DEBUG && log("TCPControlChannel - onDataAvailable: " + data); // jshint ignore:line
+
+ // Parser of line delimited JSON. Please see |_send| for more informaiton.
+ let jsonArray = data.split("\n");
+ jsonArray.pop();
+ for (let json of jsonArray) {
+ let msg;
+ try {
+ msg = JSON.parse(json);
+ } catch (e) {
+ DEBUG && log("TCPSignalingChannel - error in parsing json: " + e); // jshint ignore:line
+ }
+
+ this._handleMessage(msg);
+ }
+ },
+
+ _createInputStreamPump: function() {
+ if (this._pump) {
+ return;
+ }
+
+ DEBUG && log("TCPControlChannel - create pump with role: " +
+ this._direction); // jshint ignore:line
+ this._pump = Cc["@mozilla.org/network/input-stream-pump;1"].
+ createInstance(Ci.nsIInputStreamPump);
+ this._pump.init(this._input, -1, -1, 0, 0, false);
+ this._pump.asyncRead(this, null);
+ this._stateMachine.onChannelReady();
+ },
+
+ // Handle command from remote side
+ _handleMessage: function(aMsg) {
+ DEBUG && log("TCPControlChannel - handleMessage from " +
+ JSON.stringify(this._deviceInfo) + ": " + JSON.stringify(aMsg)); // jshint ignore:line
+ this._stateMachine.onCommand(aMsg);
+ },
+
+ get listener() {
+ return this._listener;
+ },
+
+ set listener(aListener) {
+ DEBUG && log("TCPControlChannel - set listener: " + aListener); // jshint ignore:line
+ if (!aListener) {
+ this._listener = null;
+ return;
+ }
+
+ this._listener = aListener;
+ if (this._pendingOpen) {
+ this._pendingOpen = false;
+ DEBUG && log("TCPControlChannel - notify pending opened"); // jshint ignore:line
+ this._listener.notifyConnected();
+ }
+
+ if (this._pendingOffer) {
+ let offer = this._pendingOffer;
+ DEBUG && log("TCPControlChannel - notify pending offer: " +
+ JSON.stringify(offer)); // jshint ignore:line
+ this._listener.onOffer(new ChannelDescription(offer));
+ this._pendingOffer = null;
+ }
+
+ if (this._pendingAnswer) {
+ let answer = this._pendingAnswer;
+ DEBUG && log("TCPControlChannel - notify pending answer: " +
+ JSON.stringify(answer)); // jshint ignore:line
+ this._listener.onAnswer(new ChannelDescription(answer));
+ this._pendingAnswer = null;
+ }
+
+ if (this._pendingClose) {
+ DEBUG && log("TCPControlChannel - notify pending closed"); // jshint ignore:line
+ this._notifyDisconnected(this._pendingCloseReason);
+ this._pendingClose = null;
+ }
+
+ if (this._pendingReconnect) {
+ DEBUG && log("TCPControlChannel - notify pending reconnected"); // jshint ignore:line
+ this._notifyReconnected();
+ this._pendingReconnect = false;
+ }
+ },
+
+ /**
+ * These functions are designed to handle the interaction with listener
+ * appropriately. |_FUNC| is to handle |this._listener.FUNC|.
+ */
+ _onOffer: function(aOffer) {
+ if (!this._incomingEnabled) {
+ return;
+ }
+ if (!this._listener) {
+ this._pendingOffer = aOffer;
+ return;
+ }
+ DEBUG && log("TCPControlChannel - notify offer: " +
+ JSON.stringify(aOffer)); // jshint ignore:line
+ this._listener.onOffer(new ChannelDescription(aOffer));
+ },
+
+ _onAnswer: function(aAnswer) {
+ if (!this._incomingEnabled) {
+ return;
+ }
+ if (!this._listener) {
+ this._pendingAnswer = aAnswer;
+ return;
+ }
+ DEBUG && log("TCPControlChannel - notify answer: " +
+ JSON.stringify(aAnswer)); // jshint ignore:line
+ this._listener.onAnswer(new ChannelDescription(aAnswer));
+ },
+
+ _notifyConnected: function() {
+ this._pendingClose = false;
+ this._pendingCloseReason = Cr.NS_OK;
+
+ if (!this._listener) {
+ this._pendingOpen = true;
+ return;
+ }
+
+ DEBUG && log("TCPControlChannel - notify opened with role: " +
+ this._direction); // jshint ignore:line
+ this._listener.notifyConnected();
+ },
+
+ _notifyDisconnected: function(aReason) {
+ this._pendingOpen = false;
+ this._pendingOffer = null;
+ this._pendingAnswer = null;
+
+ // Remote endpoint closes the control channel with abnormal reason.
+ if (aReason == Cr.NS_OK && this._pendingCloseReason != Cr.NS_OK) {
+ aReason = this._pendingCloseReason;
+ }
+
+ if (!this._listener) {
+ this._pendingClose = true;
+ this._pendingCloseReason = aReason;
+ return;
+ }
+
+ DEBUG && log("TCPControlChannel - notify closed with role: " +
+ this._direction); // jshint ignore:line
+ this._listener.notifyDisconnected(aReason);
+ },
+
+ _notifyReconnected: function() {
+ if (!this._listener) {
+ this._pendingReconnect = true;
+ return;
+ }
+
+ DEBUG && log("TCPControlChannel - notify reconnected with role: " +
+ this._direction); // jshint ignore:line
+ this._listener.notifyReconnected();
+ },
+
+ _closeOutgoing: function() {
+ if (this._outgoingEnabled) {
+ this._output.close();
+ this._outgoingEnabled = false;
+ }
+ },
+ _closeIncoming: function() {
+ if (this._incomingEnabled) {
+ this._pump = null;
+ this._input.close();
+ this._incomingEnabled = false;
+ }
+ },
+ _closeTransport: function() {
+ if (this._disconnectTimer) {
+ clearTimeout(this._disconnectTimer);
+ delete this._disconnectTimer;
+ }
+
+ if (this._terminateTimer) {
+ clearTimeout(this._terminateTimer);
+ delete this._terminateTimer;
+ }
+
+ delete this._pendingDisconnect;
+
+ this._transport.setEventSink(null, null);
+
+ this._closeIncoming();
+ this._closeOutgoing();
+ this._presentationService.releaseControlChannel(this);
+ },
+
+ disconnect: function(aReason) {
+ DEBUG && log("TCPControlChannel - disconnect with reason: " + aReason); // jshint ignore:line
+
+ // Pending disconnect during termination procedure.
+ if (this._terminateTimer) {
+ // Store only the first disconnect action.
+ if (!this._pendingDisconnect) {
+ this._pendingDisconnect = this.disconnect.bind(this, aReason);
+ }
+ return;
+ }
+
+ if (this._outgoingEnabled && !this._disconnectTimer) {
+ // default reason is NS_OK
+ aReason = !aReason ? Cr.NS_OK : aReason;
+
+ this._stateMachine.onChannelClosed(aReason, false);
+
+ // Start a guard timer to ensure the transport will be closed.
+ this._disconnectTimer = setTimeout(() => {
+ DEBUG && log("TCPControlChannel - disconnect timeout"); // jshint ignore:line
+ this._closeTransport();
+ }, kDisconnectTimeout);
+ }
+ },
+
+ reconnect: function(aPresentationId, aUrl) {
+ DEBUG && log("TCPControlChannel - reconnect with role: " +
+ this._direction); // jshint ignore:line
+ if (this._direction != "sender") {
+ return Cr.NS_ERROR_FAILURE;
+ }
+
+ this._stateMachine.reconnect(aPresentationId, aUrl);
+ },
+
+ // callback from state machine
+ sendCommand: function(command) {
+ this._outgoingMsgs.push(command);
+ this._flushOutgoing();
+ },
+
+ notifyDeviceConnected: function(deviceId) {
+ switch (this._direction) {
+ case "receiver":
+ this._deviceInfo.id = deviceId;
+ break;
+ }
+ this._notifyConnected();
+ },
+
+ notifyDisconnected: function(reason) {
+ this._closeTransport();
+ this._notifyDisconnected(reason);
+ },
+
+ notifyLaunch: function(presentationId, url) {
+ switch (this._direction) {
+ case "receiver":
+ this._presentationService.onSessionRequest(this._deviceInfo,
+ url,
+ presentationId,
+ this);
+ break;
+ }
+ },
+
+ notifyTerminate: function(presentationId) {
+ if (!this._terminatingId) {
+ this._terminatingId = presentationId;
+ this._presentationService.onSessionTerminate(this._deviceInfo,
+ presentationId,
+ this,
+ this._direction === "sender");
+ return;
+ }
+
+ // Cancel terminate guard timer after receiving terminate-ack.
+ if (this._terminateTimer) {
+ clearTimeout(this._terminateTimer);
+ delete this._terminateTimer;
+ }
+
+ if (this._terminatingId !== presentationId) {
+ // Requested presentation Id doesn't matched with the one in ACK.
+ // Disconnect the control channel with error.
+ DEBUG && log("TCPControlChannel - unmatched terminatingId: " + presentationId); // jshint ignore:line
+ this.disconnect(Cr.NS_ERROR_FAILURE);
+ }
+
+ delete this._terminatingId;
+ if (this._pendingDisconnect) {
+ this._pendingDisconnect();
+ }
+ },
+
+ notifyReconnect: function(presentationId, url) {
+ switch (this._direction) {
+ case "receiver":
+ this._presentationService.onSessionReconnect(this._deviceInfo,
+ url,
+ presentationId,
+ this);
+ break;
+ case "sender":
+ this._notifyReconnected();
+ break;
+ }
+ },
+
+ notifyOffer: function(offer) {
+ this._onOffer(offer);
+ },
+
+ notifyAnswer: function(answer) {
+ this._onAnswer(answer);
+ },
+
+ notifyIceCandidate: function(candidate) {
+ this._listener.onIceCandidate(candidate);
+ },
+
+ classID: Components.ID("{fefb8286-0bdc-488b-98bf-0c11b485c955}"),
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationControlChannel,
+ Ci.nsIStreamListener]),
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PresentationControlService]); // jshint ignore:line
diff --git a/dom/presentation/provider/PresentationDeviceProviderModule.cpp b/dom/presentation/provider/PresentationDeviceProviderModule.cpp
new file mode 100644
index 000000000..9100fa49b
--- /dev/null
+++ b/dom/presentation/provider/PresentationDeviceProviderModule.cpp
@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+#include "DisplayDeviceProvider.h"
+#include "MulticastDNSDeviceProvider.h"
+#include "mozilla/ModuleUtils.h"
+
+#ifdef MOZ_WIDGET_ANDROID
+#include "LegacyMDNSDeviceProvider.h"
+#endif //MOZ_WIDGET_ANDROID
+
+#define MULTICAST_DNS_PROVIDER_CID \
+ {0x814f947a, 0x52f7, 0x41c9, \
+ { 0x94, 0xa1, 0x36, 0x84, 0x79, 0x72, 0x84, 0xac }}
+#define DISPLAY_DEVICE_PROVIDER_CID \
+ { 0x515d9879, 0xfe0b, 0x4d9f, \
+ { 0x89, 0x49, 0x7f, 0xa7, 0x65, 0x6c, 0x01, 0x0e } }
+
+#ifdef MOZ_WIDGET_ANDROID
+#define LEGACY_MDNS_PROVIDER_CID \
+ { 0x6885ff39, 0xd98c, 0x4356, \
+ { 0x9e, 0xb3, 0x56, 0x56, 0x31, 0x63, 0x0a, 0xf6 } }
+#endif //MOZ_WIDGET_ANDROID
+
+#define DISPLAY_DEVICE_PROVIDER_CONTRACT_ID "@mozilla.org/presentation-device/displaydevice-provider;1"
+#define MULTICAST_DNS_PROVIDER_CONTRACT_ID "@mozilla.org/presentation-device/multicastdns-provider;1"
+
+#ifdef MOZ_WIDGET_ANDROID
+#define LEGACY_MDNS_PROVIDER_CONTRACT_ID "@mozilla.org/presentation-device/legacy-mdns-provider;1"
+#endif //MOZ_WIDGET_ANDROID
+
+using mozilla::dom::presentation::MulticastDNSDeviceProvider;
+using mozilla::dom::presentation::DisplayDeviceProvider;
+
+#ifdef MOZ_WIDGET_ANDROID
+using mozilla::dom::presentation::legacy::LegacyMDNSDeviceProvider;
+#endif //MOZ_WIDGET_ANDROID
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(MulticastDNSDeviceProvider)
+NS_DEFINE_NAMED_CID(MULTICAST_DNS_PROVIDER_CID);
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(DisplayDeviceProvider)
+NS_DEFINE_NAMED_CID(DISPLAY_DEVICE_PROVIDER_CID);
+
+#ifdef MOZ_WIDGET_ANDROID
+NS_GENERIC_FACTORY_CONSTRUCTOR(LegacyMDNSDeviceProvider)
+NS_DEFINE_NAMED_CID(LEGACY_MDNS_PROVIDER_CID);
+#endif //MOZ_WIDGET_ANDROID
+
+static const mozilla::Module::CIDEntry kPresentationDeviceProviderCIDs[] = {
+ { &kMULTICAST_DNS_PROVIDER_CID, false, nullptr, MulticastDNSDeviceProviderConstructor },
+ { &kDISPLAY_DEVICE_PROVIDER_CID, false, nullptr, DisplayDeviceProviderConstructor },
+#ifdef MOZ_WIDGET_ANDROID
+ { &kLEGACY_MDNS_PROVIDER_CID, false, nullptr, LegacyMDNSDeviceProviderConstructor },
+#endif //MOZ_WIDGET_ANDROID
+ { nullptr }
+};
+
+static const mozilla::Module::ContractIDEntry kPresentationDeviceProviderContracts[] = {
+ { MULTICAST_DNS_PROVIDER_CONTRACT_ID, &kMULTICAST_DNS_PROVIDER_CID },
+ { DISPLAY_DEVICE_PROVIDER_CONTRACT_ID, &kDISPLAY_DEVICE_PROVIDER_CID },
+#ifdef MOZ_WIDGET_ANDROID
+ { LEGACY_MDNS_PROVIDER_CONTRACT_ID, &kLEGACY_MDNS_PROVIDER_CID },
+#endif //MOZ_WIDGET_ANDROID
+ { nullptr }
+};
+
+static const mozilla::Module::CategoryEntry kPresentationDeviceProviderCategories[] = {
+#if defined(MOZ_WIDGET_COCOA) || defined(MOZ_WIDGET_ANDROID) || (defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 16)
+ { PRESENTATION_DEVICE_PROVIDER_CATEGORY, "MulticastDNSDeviceProvider", MULTICAST_DNS_PROVIDER_CONTRACT_ID },
+#endif
+#if defined(MOZ_WIDGET_GONK)
+ { PRESENTATION_DEVICE_PROVIDER_CATEGORY, "DisplayDeviceProvider", DISPLAY_DEVICE_PROVIDER_CONTRACT_ID },
+#endif
+#ifdef MOZ_WIDGET_ANDROID
+ { PRESENTATION_DEVICE_PROVIDER_CATEGORY, "LegacyMDNSDeviceProvider", LEGACY_MDNS_PROVIDER_CONTRACT_ID },
+#endif //MOZ_WIDGET_ANDROID
+ { nullptr }
+};
+
+static const mozilla::Module kPresentationDeviceProviderModule = {
+ mozilla::Module::kVersion,
+ kPresentationDeviceProviderCIDs,
+ kPresentationDeviceProviderContracts,
+ kPresentationDeviceProviderCategories
+};
+
+NSMODULE_DEFN(PresentationDeviceProviderModule) = &kPresentationDeviceProviderModule;
diff --git a/dom/presentation/provider/ReceiverStateMachine.jsm b/dom/presentation/provider/ReceiverStateMachine.jsm
new file mode 100644
index 000000000..23ebb5a4e
--- /dev/null
+++ b/dom/presentation/provider/ReceiverStateMachine.jsm
@@ -0,0 +1,238 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+/* jshint esnext:true, globalstrict:true, moz:true, undef:true, unused:true */
+/* globals Components, dump */
+
+"use strict";
+
+this.EXPORTED_SYMBOLS = ["ReceiverStateMachine"]; // jshint ignore:line
+
+const { utils: Cu } = Components;
+
+/* globals State, CommandType */
+Cu.import("resource://gre/modules/presentation/StateMachineHelper.jsm");
+
+const DEBUG = false;
+function debug(str) {
+ dump("-*- ReceiverStateMachine: " + str + "\n");
+}
+
+var handlers = [
+ function _initHandler(stateMachine, command) {
+ // shouldn't receive any command at init state
+ DEBUG && debug("unexpected command: " + JSON.stringify(command)); // jshint ignore:line
+ },
+ function _connectingHandler(stateMachine, command) {
+ switch (command.type) {
+ case CommandType.CONNECT:
+ stateMachine._sendCommand({
+ type: CommandType.CONNECT_ACK
+ });
+ stateMachine.state = State.CONNECTED;
+ stateMachine._notifyDeviceConnected(command.deviceId);
+ break;
+ case CommandType.DISCONNECT:
+ stateMachine.state = State.CLOSED;
+ stateMachine._notifyDisconnected(command.reason);
+ break;
+ default:
+ debug("unexpected command: " + JSON.stringify(command));
+ // ignore unexpected command
+ break;
+ }
+ },
+ function _connectedHandler(stateMachine, command) {
+ switch (command.type) {
+ case CommandType.DISCONNECT:
+ stateMachine.state = State.CLOSED;
+ stateMachine._notifyDisconnected(command.reason);
+ break;
+ case CommandType.LAUNCH:
+ stateMachine._notifyLaunch(command.presentationId,
+ command.url);
+ stateMachine._sendCommand({
+ type: CommandType.LAUNCH_ACK,
+ presentationId: command.presentationId
+ });
+ break;
+ case CommandType.TERMINATE:
+ stateMachine._notifyTerminate(command.presentationId);
+ break;
+ case CommandType.TERMINATE_ACK:
+ stateMachine._notifyTerminate(command.presentationId);
+ break;
+ case CommandType.OFFER:
+ case CommandType.ICE_CANDIDATE:
+ stateMachine._notifyChannelDescriptor(command);
+ break;
+ case CommandType.RECONNECT:
+ stateMachine._notifyReconnect(command.presentationId,
+ command.url);
+ stateMachine._sendCommand({
+ type: CommandType.RECONNECT_ACK,
+ presentationId: command.presentationId
+ });
+ break;
+ default:
+ debug("unexpected command: " + JSON.stringify(command));
+ // ignore unexpected command
+ break;
+ }
+ },
+ function _closingHandler(stateMachine, command) {
+ switch (command.type) {
+ case CommandType.DISCONNECT:
+ stateMachine.state = State.CLOSED;
+ stateMachine._notifyDisconnected(command.reason);
+ break;
+ default:
+ debug("unexpected command: " + JSON.stringify(command));
+ // ignore unexpected command
+ break;
+ }
+ },
+ function _closedHandler(stateMachine, command) {
+ // ignore every command in closed state.
+ DEBUG && debug("unexpected command: " + JSON.stringify(command)); // jshint ignore:line
+ },
+];
+
+function ReceiverStateMachine(channel) {
+ this.state = State.INIT;
+ this._channel = channel;
+}
+
+ReceiverStateMachine.prototype = {
+ launch: function _launch() {
+ // presentation session can only be launched by controlling UA.
+ debug("receiver shouldn't trigger launch");
+ },
+
+ terminate: function _terminate(presentationId) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.TERMINATE,
+ presentationId: presentationId,
+ });
+ }
+ },
+
+ terminateAck: function _terminateAck(presentationId) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.TERMINATE_ACK,
+ presentationId: presentationId,
+ });
+ }
+ },
+
+ reconnect: function _reconnect() {
+ debug("receiver shouldn't trigger reconnect");
+ },
+
+ sendOffer: function _sendOffer() {
+ // offer can only be sent by controlling UA.
+ debug("receiver shouldn't generate offer");
+ },
+
+ sendAnswer: function _sendAnswer(answer) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.ANSWER,
+ answer: answer,
+ });
+ }
+ },
+
+ updateIceCandidate: function _updateIceCandidate(candidate) {
+ if (this.state === State.CONNECTED) {
+ this._sendCommand({
+ type: CommandType.ICE_CANDIDATE,
+ candidate: candidate,
+ });
+ }
+ },
+
+ onCommand: function _onCommand(command) {
+ handlers[this.state](this, command);
+ },
+
+ onChannelReady: function _onChannelReady() {
+ if (this.state === State.INIT) {
+ this.state = State.CONNECTING;
+ }
+ },
+
+ onChannelClosed: function _onChannelClose(reason, isByRemote) {
+ switch (this.state) {
+ case State.CONNECTED:
+ if (isByRemote) {
+ this.state = State.CLOSED;
+ this._notifyDisconnected(reason);
+ } else {
+ this._sendCommand({
+ type: CommandType.DISCONNECT,
+ reason: reason
+ });
+ this.state = State.CLOSING;
+ this._closeReason = reason;
+ }
+ break;
+ case State.CLOSING:
+ if (isByRemote) {
+ this.state = State.CLOSED;
+ if (this._closeReason) {
+ reason = this._closeReason;
+ delete this._closeReason;
+ }
+ this._notifyDisconnected(reason);
+ } else {
+ // do nothing and wait for remote channel closed.
+ }
+ break;
+ default:
+ DEBUG && debug("unexpected channel close: " + reason + ", " + isByRemote); // jshint ignore:line
+ break;
+ }
+ },
+
+ _sendCommand: function _sendCommand(command) {
+ this._channel.sendCommand(command);
+ },
+
+ _notifyDeviceConnected: function _notifyDeviceConnected(deviceName) {
+ this._channel.notifyDeviceConnected(deviceName);
+ },
+
+ _notifyDisconnected: function _notifyDisconnected(reason) {
+ this._channel.notifyDisconnected(reason);
+ },
+
+ _notifyLaunch: function _notifyLaunch(presentationId, url) {
+ this._channel.notifyLaunch(presentationId, url);
+ },
+
+ _notifyTerminate: function _notifyTerminate(presentationId) {
+ this._channel.notifyTerminate(presentationId);
+ },
+
+ _notifyReconnect: function _notifyReconnect(presentationId, url) {
+ this._channel.notifyReconnect(presentationId, url);
+ },
+
+ _notifyChannelDescriptor: function _notifyChannelDescriptor(command) {
+ switch (command.type) {
+ case CommandType.OFFER:
+ this._channel.notifyOffer(command.offer);
+ break;
+ case CommandType.ICE_CANDIDATE:
+ this._channel.notifyIceCandidate(command.candidate);
+ break;
+ }
+ },
+};
+
+this.ReceiverStateMachine = ReceiverStateMachine; // jshint ignore:line
diff --git a/dom/presentation/provider/StateMachineHelper.jsm b/dom/presentation/provider/StateMachineHelper.jsm
new file mode 100644
index 000000000..6e07863d4
--- /dev/null
+++ b/dom/presentation/provider/StateMachineHelper.jsm
@@ -0,0 +1,39 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+/* jshint esnext:true, globalstrict:true, moz:true, undef:true, unused:true */
+
+"use strict";
+
+this.EXPORTED_SYMBOLS = ["State", "CommandType"]; // jshint ignore:line
+
+const State = Object.freeze({
+ INIT: 0,
+ CONNECTING: 1,
+ CONNECTED: 2,
+ CLOSING: 3,
+ CLOSED: 4,
+});
+
+const CommandType = Object.freeze({
+ // control channel life cycle
+ CONNECT: "connect", // { deviceId: <string> }
+ CONNECT_ACK: "connect-ack", // { presentationId: <string> }
+ DISCONNECT: "disconnect", // { reason: <int> }
+ // presentation session life cycle
+ LAUNCH: "launch", // { presentationId: <string>, url: <string> }
+ LAUNCH_ACK: "launch-ack", // { presentationId: <string> }
+ TERMINATE: "terminate", // { presentationId: <string> }
+ TERMINATE_ACK: "terminate-ack", // { presentationId: <string> }
+ RECONNECT: "reconnect", // { presentationId: <string> }
+ RECONNECT_ACK: "reconnect-ack", // { presentationId: <string> }
+ // session transport establishment
+ OFFER: "offer", // { offer: <json> }
+ ANSWER: "answer", // { answer: <json> }
+ ICE_CANDIDATE: "ice-candidate", // { candidate: <string> }
+});
+
+this.State = State; // jshint ignore:line
+this.CommandType = CommandType; // jshint ignore:line
diff --git a/dom/presentation/provider/moz.build b/dom/presentation/provider/moz.build
new file mode 100644
index 000000000..18428b50e
--- /dev/null
+++ b/dom/presentation/provider/moz.build
@@ -0,0 +1,40 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+EXTRA_COMPONENTS += [
+ 'BuiltinProviders.manifest',
+ 'PresentationControlService.js'
+]
+
+UNIFIED_SOURCES += [
+ 'DeviceProviderHelpers.cpp',
+ 'DisplayDeviceProvider.cpp',
+ 'MulticastDNSDeviceProvider.cpp',
+ 'PresentationDeviceProviderModule.cpp',
+]
+
+EXTRA_JS_MODULES.presentation += [
+ 'ControllerStateMachine.jsm',
+ 'ReceiverStateMachine.jsm',
+ 'StateMachineHelper.jsm',
+]
+
+if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'android':
+ EXTRA_COMPONENTS += [
+ # For android presentation device
+ 'AndroidCastDeviceProvider.js',
+ 'AndroidCastDeviceProvider.manifest',
+ # for TV 2.5 device backward capability
+ 'LegacyPresentationControlService.js',
+ 'LegacyProviders.manifest',
+ ]
+
+ UNIFIED_SOURCES += [
+ 'LegacyMDNSDeviceProvider.cpp',
+ ]
+
+include('/ipc/chromium/chromium-config.mozbuild')
+FINAL_LIBRARY = 'xul'
diff --git a/dom/presentation/provider/nsTCPDeviceInfo.h b/dom/presentation/provider/nsTCPDeviceInfo.h
new file mode 100644
index 000000000..118f6c8ac
--- /dev/null
+++ b/dom/presentation/provider/nsTCPDeviceInfo.h
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef __TCPDeviceInfo_h__
+#define __TCPDeviceInfo_h__
+
+namespace mozilla {
+namespace dom {
+namespace presentation {
+
+class TCPDeviceInfo final : public nsITCPDeviceInfo
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSITCPDEVICEINFO
+
+ explicit TCPDeviceInfo(const nsACString& aId,
+ const nsACString& aAddress,
+ const uint16_t aPort,
+ const nsACString& aCertFingerprint)
+ : mId(aId)
+ , mAddress(aAddress)
+ , mPort(aPort)
+ , mCertFingerprint(aCertFingerprint)
+ {
+ }
+
+private:
+ virtual ~TCPDeviceInfo() {}
+
+ nsCString mId;
+ nsCString mAddress;
+ uint16_t mPort;
+ nsCString mCertFingerprint;
+};
+
+NS_IMPL_ISUPPORTS(TCPDeviceInfo,
+ nsITCPDeviceInfo)
+
+// nsITCPDeviceInfo
+NS_IMETHODIMP
+TCPDeviceInfo::GetId(nsACString& aId)
+{
+ aId = mId;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+TCPDeviceInfo::GetAddress(nsACString& aAddress)
+{
+ aAddress = mAddress;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+TCPDeviceInfo::GetPort(uint16_t* aPort)
+{
+ *aPort = mPort;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+TCPDeviceInfo::GetCertFingerprint(nsACString& aCertFingerprint)
+{
+ aCertFingerprint = mCertFingerprint;
+ return NS_OK;
+}
+
+} // namespace presentation
+} // namespace dom
+} // namespace mozilla
+
+#endif /* !__TCPDeviceInfo_h__ */
+