1 /*

     2 * Copyright (c) 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:  It completes on a change in the volume property.  Used for 

    15 *                the new Central Repository Server.  Used in EKA2 builds only

    16 *

    17 */

    18 

    19 

    20 #ifndef VOLUMEKEYLISTENER_H

    21 #define VOLUMEKEYLISTENER_H

    22 

    23 #include <e32std.h>

    24 #include <e32base.h>

    25 #include <e32property.h>

    26 

    27 #include <centralrepository.h>

    28 #include<remconcoreapitargetobserver.h>    //for MRemConCoreApiTargetObserver

    29 #include<remconinterfaceselector.h>     //for CRemConInterfaceSelector

    30 #include<remconcoreapitarget.h>         //for CRemConCoreApiTarget

    31 

    32 //

    33 // for emulator max volume = 65535

    34 #define WINS_DEFAULT_VOLUME 43690

    35 

    36 //

    37 // For HW max volume = 9

    38 #define HW_DEFAULT_VOLUME 6

    39 

    40 class MRepositoryVolumeObserver;

    41 

    42 // DATA TYPES

    43 // Used for volume up/down events

    44 enum TVolumeControlCommands

    45     {

    46     EVolumeControlCmdVolumeUpByOne,

    47     EVolumeControlCmdVolumeDownByOne

    48     };

    49 

    50 NONSHARABLE_CLASS( CVolumeKeyListener ) : public CBase, 

    51                                   public MRemConCoreApiTargetObserver

    52     {

    53 public:

    54     

    55     static CVolumeKeyListener* NewL( MRepositoryVolumeObserver* aObserver );

    56     virtual ~CVolumeKeyListener();

    57     TInt GetCurrentVolume();

    58     /**

    59      * Function to add an observer

    60      */

    61     void SetObserver( MRepositoryVolumeObserver* aObserver ); 

    62     

    63 private:

    64     CVolumeKeyListener( MRepositoryVolumeObserver* aObserver );

    65     void ConstructL();

    66 

    67     //From MRemConCoreApiTargetObserver (remconcoreapitargetobserver.h)

    68     void MrccatoCommand( TRemConCoreApiOperationId aOperationId, 

    69                          TRemConCoreApiButtonAction aButtonAct );

    70     

    71     /**

    72       * Handle repeat event

    73       */

    74     void HandleRepeatEvent();

    75 

    76     /**

    77     * Send play command to app UI or view.

    78     * @since 3.1

    79     */

    80     void FilterAndSendCommand(TInt aCommandId);

    81    /**

    82     * Callback for timer

    83     */

    84     static TInt TimerCallback(TAny* aPtr);

    85 

    86 private:

    87     CRemConCoreApiTarget* iInterfaceSelector;

    88     CRemConInterfaceSelector* iSelector;

    89     CRepository* iCenRepos;

    90     CPeriodic* iTimer;                                   // owned

    91     TInt iCommandId;

    92     // Stores the observers.

    93     MRepositoryVolumeObserver* iObserver;

    94     };

    95 

    96 #endif  //VOLUMEKEYLISTENER_H

    97 

    98 // End of File