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 /* -*- Mode: IDL; 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/.

  */

 [Pref="dom.telephony.enabled"]

 interface TelephonyCall : EventTarget {

   // Indicate which service the call comes from.

   readonly attribute unsigned long serviceId;

   readonly attribute DOMString number;

   // In CDMA networks, the 2nd waiting call shares the connection with the 1st

   // call. We need an additional attribute for the 2nd number.

   readonly attribute DOMString? secondNumber;

   readonly attribute DOMString state;

   // The property "emergency" indicates whether the call number is an emergency

   // number. Only the outgoing call could have a value with true and it is

   // available after dialing state.

   readonly attribute boolean emergency;

   // Indicate whether the call state can be switched between "connected" and

   // "held".

   readonly attribute boolean switchable;

   // Indicate whether the call can be added into TelephonyCallGroup.

   readonly attribute boolean mergeable;

   readonly attribute DOMError? error;

   readonly attribute TelephonyCallGroup? group;

   [Throws]

   void answer();

   [Throws]

   void hangUp();

   [Throws]

   void hold();

   [Throws]

   void resume();

   attribute EventHandler onstatechange;

   attribute EventHandler ondialing;

   attribute EventHandler onalerting;

   attribute EventHandler onconnecting;

   attribute EventHandler onconnected;

   attribute EventHandler ondisconnecting;

   attribute EventHandler ondisconnected;

   attribute EventHandler onholding;

   attribute EventHandler onheld;

   attribute EventHandler onresuming;

   attribute EventHandler onerror;

   // Fired whenever the group attribute changes.

   attribute EventHandler ongroupchange;

 };