1 /*

     2 * Copyright (c) 2006-2007 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:  ?Description

    15 *

    16 */

    17 

    18 

    19 #ifndef IRACTIVEIDLEENGNOTIFYHANDLER_H

    20 #define IRACTIVEIDLEENGNOTIFYHANDLER_H

    21 

    22 #include "irpubsubkeys.h"

    23 

    24 class CIRMetaData;

    25 

    26 /**

    27 * Observer interface for CIRActiveIdleEng.

    28 * The observer is notified about the changes in relevant keys through this interface.

    29 */

    30 NONSHARABLE_CLASS(MIRActiveIdleEngNotifyHandler)

    31     {

    32 

    33 public:

    34         

    35     /**

    36     * Invoked when a new channel has been tuned into.

    37     */

    38     virtual void HandleChannelChangeL() = 0;

    39     

    40     /**

    41     * Invoked when a new channel has been tuned into.

    42     * @param    aVolume       The index of the volume level.

    43     */

    44     virtual void HandleVolumeChangeL( TInt aVolume ) = 0;

    45     

    46     /**

    47     * Invoked when a new channel has been tuned into.

    48     */

    49     virtual void HandlePlayStopL( TIRStopPlayState aState ) = 0;

    50     

    51    /**

    52     * Invoked when the application's running state has changed.

    53     * @param    aRunningState   The new running state.

    54     */

    55     virtual void HandleApplicationRunningStateChangeL( 

    56     			TIRPSApplicationRunningState aRunningState ) = 0;

    57 

    58     /**

    59      * Invoked when meta data is received.

    60      *

    61      * @param   aMetaData       The meta data that was received.

    62      */

    63     virtual void HandleMetaDataReceivedL( const CIRMetaData& aMetaData ) = 0;

    64 

    65      /**

    66      * Invoked when buffering starts or stops 

    67      *

    68      * @param   aValue  The state of buffering

    69      */

    70     virtual void HandleBufferingStateL(TIRBufferingState aState) = 0;

    71 

    72     };

    73 

    74 #endif//IRACTIVEIDLEENGNOTIFYHANDLER_H

    75