Add m-esr52 at 52.6.0

1 files changed, 384 insertions, 0 deletions

diff --git a/dom/presentation/PresentationDataChannelSessionTransport.js b/dom/presentation/PresentationDataChannelSessionTransport.js
new file mode 100644
index 0000000000..461e4f2cb6
--- /dev/null
+++ b/dom/presentation/PresentationDataChannelSessionTransport.js
@@ -0,0 +1,384 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this file,
+* You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+// Bug 1228209 - plan to remove this eventually
+function log(aMsg) {
+  //dump("-*- PresentationDataChannelSessionTransport.js : " + aMsg + "\n");
+}
+
+const PRESENTATIONTRANSPORT_CID = Components.ID("{dd2bbf2f-3399-4389-8f5f-d382afb8b2d6}");
+const PRESENTATIONTRANSPORT_CONTRACTID = "mozilla.org/presentation/datachanneltransport;1";
+
+const PRESENTATIONTRANSPORTBUILDER_CID = Components.ID("{215b2f62-46e2-4004-a3d1-6858e56c20f3}");
+const PRESENTATIONTRANSPORTBUILDER_CONTRACTID = "mozilla.org/presentation/datachanneltransportbuilder;1";
+
+function PresentationDataChannelDescription(aDataChannelSDP) {
+  this._dataChannelSDP = JSON.stringify(aDataChannelSDP);
+}
+
+PresentationDataChannelDescription.prototype = {
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationChannelDescription]),
+  get type() {
+    return Ci.nsIPresentationChannelDescription.TYPE_DATACHANNEL;
+  },
+  get tcpAddress() {
+    return null;
+  },
+  get tcpPort() {
+    return null;
+  },
+  get dataChannelSDP() {
+    return this._dataChannelSDP;
+  }
+};
+
+function PresentationTransportBuilder() {
+  log("PresentationTransportBuilder construct");
+  this._isControlChannelNeeded = true;
+}
+
+PresentationTransportBuilder.prototype = {
+  classID: PRESENTATIONTRANSPORTBUILDER_CID,
+  contractID: PRESENTATIONTRANSPORTBUILDER_CONTRACTID,
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationSessionTransportBuilder,
+                                         Ci.nsIPresentationDataChannelSessionTransportBuilder,
+                                         Ci.nsITimerCallback]),
+
+  buildDataChannelTransport: function(aRole, aWindow, aListener) {
+    if (!aRole || !aWindow || !aListener) {
+      log("buildDataChannelTransport with illegal parameters");
+      throw Cr.NS_ERROR_ILLEGAL_VALUE;
+    }
+
+    if (this._window) {
+      log("buildDataChannelTransport has started.");
+      throw Cr.NS_ERROR_UNEXPECTED;
+    }
+
+    log("buildDataChannelTransport with role " + aRole);
+    this._role = aRole;
+    this._window = aWindow;
+    this._listener = aListener.QueryInterface(Ci.nsIPresentationSessionTransportBuilderListener);
+
+    // TODO bug 1227053 set iceServers from |nsIPresentationDevice|
+    this._peerConnection = new this._window.RTCPeerConnection();
+
+    // |this._listener == null| will throw since the control channel is
+    // abnormally closed.
+    this._peerConnection.onicecandidate = aEvent => aEvent.candidate &&
+      this._listener.sendIceCandidate(JSON.stringify(aEvent.candidate));
+
+    this._peerConnection.onnegotiationneeded = () => {
+      log("onnegotiationneeded with role " + this._role);
+      if (!this._peerConnection) {
+        log("ignoring negotiationneeded without PeerConnection");
+        return;
+      }
+      this._peerConnection.createOffer()
+          .then(aOffer => this._peerConnection.setLocalDescription(aOffer))
+          .then(() => this._listener
+                          .sendOffer(new PresentationDataChannelDescription(this._peerConnection.localDescription)))
+          .catch(e => this._reportError(e));
+    }
+
+    switch (this._role) {
+      case Ci.nsIPresentationService.ROLE_CONTROLLER:
+        this._dataChannel = this._peerConnection.createDataChannel("presentationAPI");
+        this._setDataChannel();
+        break;
+
+      case Ci.nsIPresentationService.ROLE_RECEIVER:
+        this._peerConnection.ondatachannel = aEvent => {
+          this._dataChannel = aEvent.channel;
+          // Ensure the binaryType of dataChannel is blob.
+          this._dataChannel.binaryType = "blob";
+          this._setDataChannel();
+        }
+        break;
+      default:
+       throw Cr.NS_ERROR_ILLEGAL_VALUE;
+    }
+
+    // TODO bug 1228235 we should have a way to let device providers customize
+    // the time-out duration.
+    let timeout;
+    try {
+      timeout = Services.prefs.getIntPref("presentation.receiver.loading.timeout");
+    } catch (e) {
+      // This happens if the pref doesn't exist, so we have a default value.
+      timeout = 10000;
+    }
+
+    // The timer is to check if the negotiation finishes on time.
+    this._timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+    this._timer.initWithCallback(this, timeout, this._timer.TYPE_ONE_SHOT);
+  },
+
+  notify: function() {
+    if (!this._sessionTransport) {
+      this._cleanup(Cr.NS_ERROR_NET_TIMEOUT);
+    }
+  },
+
+  _reportError: function(aError) {
+    log("report Error " + aError.name + ":" + aError.message);
+    this._cleanup(Cr.NS_ERROR_FAILURE);
+  },
+
+  _setDataChannel: function() {
+    this._dataChannel.onopen = () => {
+      log("data channel is open, notify the listener, role " + this._role);
+
+      // Handoff the ownership of _peerConnection and _dataChannel to
+      // _sessionTransport
+      this._sessionTransport = new PresentationTransport();
+      this._sessionTransport.init(this._peerConnection, this._dataChannel, this._window);
+      this._peerConnection.onicecandidate = null;
+      this._peerConnection.onnegotiationneeded = null;
+      this._peerConnection = this._dataChannel = null;
+
+      this._listener.onSessionTransport(this._sessionTransport);
+      this._sessionTransport.callback.notifyTransportReady();
+
+      this._cleanup(Cr.NS_OK);
+    };
+
+    this._dataChannel.onerror = aError => {
+      log("data channel onerror " + aError.name + ":" + aError.message);
+      this._cleanup(Cr.NS_ERROR_FAILURE);
+    }
+  },
+
+  _cleanup: function(aReason) {
+    if (aReason != Cr.NS_OK) {
+      this._listener.onError(aReason);
+    }
+
+    if (this._dataChannel) {
+      this._dataChannel.close();
+      this._dataChannel = null;
+    }
+
+    if (this._peerConnection) {
+      this._peerConnection.close();
+      this._peerConnection = null;
+    }
+
+    this._role = null;
+    this._window = null;
+
+    this._listener = null;
+    this._sessionTransport = null;
+
+    if (this._timer) {
+      this._timer.cancel();
+      this._timer = null;
+    }
+  },
+
+  // nsIPresentationControlChannelListener
+  onOffer: function(aOffer) {
+    if (this._role !== Ci.nsIPresentationService.ROLE_RECEIVER ||
+          this._sessionTransport) {
+      log("onOffer status error");
+      this._cleanup(Cr.NS_ERROR_FAILURE);
+    }
+
+    log("onOffer: " + aOffer.dataChannelSDP + " with role " + this._role);
+
+    let offer = new this._window
+                        .RTCSessionDescription(JSON.parse(aOffer.dataChannelSDP));
+
+    this._peerConnection.setRemoteDescription(offer)
+        .then(() => this._peerConnection.signalingState == "stable" ||
+                      this._peerConnection.createAnswer())
+        .then(aAnswer => this._peerConnection.setLocalDescription(aAnswer))
+        .then(() => {
+          this._isControlChannelNeeded = false;
+          this._listener
+              .sendAnswer(new PresentationDataChannelDescription(this._peerConnection.localDescription))
+        }).catch(e => this._reportError(e));
+  },
+
+  onAnswer: function(aAnswer) {
+    if (this._role !== Ci.nsIPresentationService.ROLE_CONTROLLER ||
+          this._sessionTransport) {
+      log("onAnswer status error");
+      this._cleanup(Cr.NS_ERROR_FAILURE);
+    }
+
+    log("onAnswer: " + aAnswer.dataChannelSDP + " with role " + this._role);
+
+    let answer = new this._window
+                         .RTCSessionDescription(JSON.parse(aAnswer.dataChannelSDP));
+
+    this._peerConnection.setRemoteDescription(answer).catch(e => this._reportError(e));
+    this._isControlChannelNeeded = false;
+  },
+
+  onIceCandidate: function(aCandidate) {
+    log("onIceCandidate: " + aCandidate + " with role " + this._role);
+    if (!this._window || !this._peerConnection) {
+      log("ignoring ICE candidate after connection");
+      return;
+    }
+    let candidate = new this._window.RTCIceCandidate(JSON.parse(aCandidate));
+    this._peerConnection.addIceCandidate(candidate).catch(e => this._reportError(e));
+  },
+
+  notifyDisconnected: function(aReason) {
+    log("notifyDisconnected reason: " + aReason);
+
+    if (aReason != Cr.NS_OK) {
+      this._cleanup(aReason);
+    } else if (this._isControlChannelNeeded) {
+      this._cleanup(Cr.NS_ERROR_FAILURE);
+    }
+  },
+};
+
+function PresentationTransport() {
+  this._messageQueue = [];
+  this._closeReason = Cr.NS_OK;
+}
+
+PresentationTransport.prototype = {
+  classID: PRESENTATIONTRANSPORT_CID,
+  contractID: PRESENTATIONTRANSPORT_CONTRACTID,
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationSessionTransport]),
+
+  init: function(aPeerConnection, aDataChannel, aWindow) {
+    log("initWithDataChannel");
+    this._enableDataNotification = false;
+    this._dataChannel = aDataChannel;
+    this._peerConnection = aPeerConnection;
+    this._window = aWindow;
+
+    this._dataChannel.onopen = () => {
+      log("data channel reopen. Should never touch here");
+    };
+
+    this._dataChannel.onclose = () => {
+      log("data channel onclose");
+      if (this._callback) {
+        this._callback.notifyTransportClosed(this._closeReason);
+      }
+      this._cleanup();
+    }
+
+    this._dataChannel.onmessage = aEvent => {
+      log("data channel onmessage " + aEvent.data);
+
+      if (!this._enableDataNotification || !this._callback) {
+        log("queue message");
+        this._messageQueue.push(aEvent.data);
+        return;
+      }
+      this._doNotifyData(aEvent.data);
+    };
+
+    this._dataChannel.onerror = aError => {
+      log("data channel onerror " + aError.name + ":" + aError.message);
+      if (this._callback) {
+        this._callback.notifyTransportClosed(Cr.NS_ERROR_FAILURE);
+      }
+      this._cleanup();
+    }
+  },
+
+  // nsIPresentationTransport
+  get selfAddress() {
+    throw NS_ERROR_NOT_AVAILABLE;
+  },
+
+  get callback() {
+    return this._callback;
+  },
+
+  set callback(aCallback) {
+    this._callback = aCallback;
+  },
+
+  send: function(aData) {
+    log("send " + aData);
+    this._dataChannel.send(aData);
+  },
+
+  sendBinaryMsg: function(aData) {
+    log("sendBinaryMsg");
+
+    let array = new Uint8Array(aData.length);
+    for (let i = 0; i < aData.length; i++) {
+      array[i] = aData.charCodeAt(i);
+    }
+
+    this._dataChannel.send(array);
+  },
+
+  sendBlob: function(aBlob) {
+    log("sendBlob");
+
+    this._dataChannel.send(aBlob);
+  },
+
+  enableDataNotification: function() {
+    log("enableDataNotification");
+    if (this._enableDataNotification) {
+      return;
+    }
+
+    if (!this._callback) {
+      throw NS_ERROR_NOT_AVAILABLE;
+    }
+
+    this._enableDataNotification = true;
+
+    this._messageQueue.forEach(aData => this._doNotifyData(aData));
+    this._messageQueue = [];
+  },
+
+  close: function(aReason) {
+    this._closeReason = aReason;
+
+    this._dataChannel.close();
+  },
+
+  _cleanup: function() {
+    this._dataChannel = null;
+
+    if (this._peerConnection) {
+      this._peerConnection.close();
+      this._peerConnection = null;
+    }
+    this._callback = null;
+    this._messageQueue = [];
+    this._window = null;
+  },
+
+  _doNotifyData: function(aData) {
+    if (!this._callback) {
+      throw NS_ERROR_NOT_AVAILABLE;
+    }
+
+    if (aData instanceof this._window.Blob) {
+      let reader = new this._window.FileReader();
+      reader.addEventListener("load", (aEvent) => {
+        this._callback.notifyData(aEvent.target.result, true);
+      });
+      reader.readAsBinaryString(aData);
+    } else {
+      this._callback.notifyData(aData, false);
+    }
+  },
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PresentationTransportBuilder,
+                                                     PresentationTransport]);