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/* 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 nsIPresentationControlChannel;
interface nsIPresentationDevice;

/*
 * Event callbacks from remote presentation device.
 */
[scriptable, uuid(81984458-b9d1-4731-a26a-ba62ab339aac)]
interface nsIPresentationDeviceEventListener : nsISupports
{
  /*
   * Callback while the remote device is requesting to start a presentation session.
   * @param url The URL requested to open by remote device.
   * @param presentationId The Id for representing this session.
   * @param controlChannel The control channel for this session.
   */
  void onSessionRequest(in nsIPresentationDevice device,
                        in DOMString url,
                        in DOMString presentationId,
                        in nsIPresentationControlChannel controlChannel);
};

/*
 * Remote device.
 */
[scriptable, uuid(7fac99d4-9b19-4b8d-b5cd-5da8adbe58f1)]
interface nsIPresentationDevice : nsISupports
{
  // The unique Id for the device. UUID is recommanded.
  readonly attribute AUTF8String id;

  // The human-readable name of this device.
  readonly attribute AUTF8String name;

  //TODO expose more info in order to fulfill UX spec
  // The category of this device, could be "wifi", "bluetooth", "hdmi", etc.
  readonly attribute AUTF8String type;

  // The listener for handling remote session request.
  attribute nsIPresentationDeviceEventListener listener;

  /*
   * Establish a control channel to this device.
   * @param url The URL requested to open by remote device.
   * @param presentationId The Id for representing this session.
   * @return The control channel for this session.
   */
  nsIPresentationControlChannel establishControlChannel(in DOMString url,
                                                        in DOMString presentationId);
};