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:  Class that observer remote controller framework events

    15 *                and forwards them as key events to observe

    16 *

    17 */

    18 

    19 

    20 #ifndef __CVRREMCONOBSERVER_H

    21 #define __CVRREMCONOBSERVER_H

    22 

    23 //  INCLUDES

    24 #include <e32def.h>

    25 #include <remconcoreapitargetobserver.h>

    26 

    27 // FORWARD DECLARATIONS

    28 class MVRVolumeEventObserver;

    29 class CRemConInterfaceSelector;  

    30 class CRemConCoreApiTarget;

    31 

    32 // CLASS DECLARATION

    33 

    34 /**

    35 *  Class for monitoring side volume key events.

    36 *  Is also responsible for creating repeating keypresses if key is held down

    37 *

    38 */

    39 NONSHARABLE_CLASS( CVRRemConObserver )

    40 	: public CBase,	public MRemConCoreApiTargetObserver

    41     {

    42     public:  // Constructors and destructor

    43         

    44         /**

    45         * Two-phased constructor.

    46         */

    47         static CVRRemConObserver* NewL( MVRVolumeEventObserver* aObserver );

    48         

    49         /**

    50         * Destructor.

    51         */

    52         virtual ~CVRRemConObserver();

    53 

    54     protected: // Functions from base classes

    55 

    56         /**

    57         * @see MRemConCoreApiTargetObserver.

    58         *

    59         * A command has been received. 

    60         * @param aOperationId The operation ID of the command.

    61         * @param aButtonAct The button action associated with the command.

    62         */

    63         void MrccatoCommand( TRemConCoreApiOperationId aOperationId, 

    64                              TRemConCoreApiButtonAction aButtonAct);

    65 

    66     private:

    67 

    68         /**

    69         * C++ default constructor.

    70         */

    71         CVRRemConObserver( MVRVolumeEventObserver* aObserver );

    72 

    73         /**

    74         * By default Symbian 2nd phase constructor is private.

    75         */

    76         void ConstructL();

    77         

    78         /**

    79         * Catch timer event. Volume command is repeated

    80         @param aAny

    81         */

    82         static TInt DoHandleVolumeRepeatL( TAny* aAny );        

    83 

    84     private:    // Data

    85     	/** Observer to notify about a event. Not owned. **/

    86 		MVRVolumeEventObserver* iObserver;

    87 		

    88 		/** Remote Controller. Owned */

    89         CRemConInterfaceSelector* iInterfaceSelector;  

    90         

    91         /** Remote Controller. Not owned. */

    92         CRemConCoreApiTarget* iCoreTarget;

    93 

    94         /** Timer for counting key press. Owned. */

    95         CPeriodic *iVolumeRepeatTimer;

    96          

    97         /** Status of volume command */

    98         TBool iRemConVolumeCommandOk;

    99         

   100         /** Volume change that is repeated */

   101         TKeyEvent iVolumeChange;

   102     };

   103 

   104 #endif      // CVRRemConObserver_H   

   105             

   106 // End of File