1 /*

     2 * Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Common interface for observing volume events provided by

    15 *                either key presses or side volume keys

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef __MVRVOLUMEEVENTOBSERVER_H

    22 #define __MVRVOLUMEEVENTOBSERVER_H

    23 

    24 // CLASS DECLARATION

    25 

    26 /**

    27 *  Interface for passing volume events to observer

    28 */

    29 class MVRVolumeEventObserver

    30     {

    31     public: // New functions

    32         

    33 		/**

    34 		* Handles volume change event received from either side volume

    35 		* keys or left-right rocker presses.

    36 		* @param aKeyEvent The key event. Will be forwarded to CAknVolumeControl

    37 		* @param aType The type of key event: EEventKey, EEventKeyUp

    38 		*              or EEventKeyDown. Will be forwarded to CAknVolumeControl

    39 		*/

    40 

    41 		virtual TInt HandleVolumeChangeL( const TKeyEvent& aKeyEvent,

    42 									 TEventCode aType ) = 0;		

    43 

    44     };

    45 

    46 #endif      // MVRVOLUMEEVENTOBSERVER_H   

    47             

    48 // End of File