1 files changed, 139 insertions, 0 deletions
diff --git a/dom/presentation/interfaces/nsIPresentationControlChannel.idl b/dom/presentation/interfaces/nsIPresentationControlChannel.idl
new file mode 100644
index 0000000000..2b44fbd412
--- /dev/null
+++ b/dom/presentation/interfaces/nsIPresentationControlChannel.idl
@@ -0,0 +1,139 @@
+/* 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 "nsISupports.idl"
+
+interface nsIArray;
+interface nsIInputStream;
+
+[scriptable, uuid(ae318e05-2a4e-4f85-95c0-e8b191ad812c)]
+interface nsIPresentationChannelDescription: nsISupports
+{
+  const unsigned short TYPE_TCP = 1;
+  const unsigned short TYPE_DATACHANNEL = 2;
+
+  // Type of transport channel.
+  readonly attribute uint8_t type;
+
+  // Addresses for TCP channel (as a list of nsISupportsCString).
+  // Should only be used while type == TYPE_TCP.
+  readonly attribute nsIArray tcpAddress;
+
+  // Port number for TCP channel.
+  // Should only be used while type == TYPE_TCP.
+  readonly attribute uint16_t tcpPort;
+
+  // SDP for Data Channel.
+  // Should only be used while type == TYPE_DATACHANNEL.
+  readonly attribute AString dataChannelSDP;
+};
+
+/*
+ * The callbacks for events on control channel.
+ */
+[scriptable, uuid(96dd548f-7d0f-43c1-b1ad-28e666cf1e82)]
+interface nsIPresentationControlChannelListener: nsISupports
+{
+  /*
+   * Callback for receiving offer from remote endpoint.
+   * @param offer The received offer.
+   */
+  void onOffer(in nsIPresentationChannelDescription offer);
+
+  /*
+   * Callback for receiving answer from remote endpoint.
+   * @param answer The received answer.
+   */
+  void onAnswer(in nsIPresentationChannelDescription answer);
+
+  /*
+   * Callback for receiving ICE candidate from remote endpoint.
+   * @param answer The received answer.
+   */
+  void onIceCandidate(in AString candidate);
+
+  /*
+   * The callback for notifying channel connected. This should be async called
+   * after nsIPresentationDevice::establishControlChannel.
+   */
+  void notifyConnected();
+
+  /*
+   * The callback for notifying channel disconnected.
+   * @param reason The reason of channel close, NS_OK represents normal close.
+   */
+  void notifyDisconnected(in nsresult reason);
+
+  /*
+   * The callback for notifying the reconnect command is acknowledged.
+   */
+  void notifyReconnected();
+};
+
+/*
+ * The control channel for establishing RTCPeerConnection for a presentation
+ * session. SDP Offer/Answer will be exchanged through this interface. The
+ * control channel should be in-order.
+ */
+[scriptable, uuid(e60e208c-a9f5-4bc6-9a3e-47f3e4ae9c57)]
+interface nsIPresentationControlChannel: nsISupports
+{
+  // The listener for handling events of this control channel.
+  // All the events should be pending until listener is assigned.
+  attribute nsIPresentationControlChannelListener listener;
+
+  /*
+   * Send offer to remote endpoint. |onOffer| should be invoked on remote
+   * endpoint.
+   * @param offer The offer to send.
+   * @throws  NS_ERROR_FAILURE on failure
+   */
+  void sendOffer(in nsIPresentationChannelDescription offer);
+
+  /*
+   * Send answer to remote endpoint. |onAnswer| should be invoked on remote
+   * endpoint.
+   * @param answer The answer to send.
+   * @throws  NS_ERROR_FAILURE on failure
+   */
+  void sendAnswer(in nsIPresentationChannelDescription answer);
+
+  /*
+   * Send ICE candidate to remote endpoint. |onIceCandidate| should be invoked
+   * on remote endpoint.
+   * @param candidate The candidate to send
+   * @throws NS_ERROR_FAILURE on failure
+   */
+  void sendIceCandidate(in AString candidate);
+
+  /*
+   * Launch a presentation on remote endpoint.
+   * @param presentationId The Id for representing this session.
+   * @param url The URL requested to open by remote device.
+   * @throws NS_ERROR_FAILURE on failure
+   */
+  void launch(in AString presentationId, in AString url);
+
+  /*
+   * Terminate a presentation on remote endpoint.
+   * @param presentationId The Id for representing this session.
+   * @throws NS_ERROR_FAILURE on failure
+   */
+  void terminate(in AString presentationId);
+
+  /*
+   * Disconnect the control channel.
+   * @param reason The reason of disconnecting channel; NS_OK represents normal.
+   */
+  void disconnect(in nsresult reason);
+
+  /*
+   * Reconnect a presentation on remote endpoint.
+   * Note that only controller is allowed to reconnect a session.
+   * @param presentationId The Id for representing this session.
+   * @param url The URL requested to open by remote device.
+   * @throws NS_ERROR_FAILURE on failure
+   */
+  void reconnect(in AString presentationId, in AString url);
+};