1 /*

     2 * Copyright (c) 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:  Observes Remote Controller Framework for volume key presses*

    15 */

    16 

    17 

    18 #ifndef CAMVOLKEYOBSERVER_H

    19 #define CAMVOLKEYOBSERVER_H

    20 

    21 // INCLUDES

    22 #include <remconcoreapitargetobserver.h>

    23 #include "CamZoomPane.h"

    24   

    25 // FORWARD DECLARATIONS

    26 class CRemConInterfaceSelector;

    27 class CRemConCoreApiTarget;

    28 class CCamRemConKeyResponse;

    29 class CCamZoomPane;

    30 

    31 /**

    32 * Observer interface for volume key events

    33 * 

    34 * since @3.1

    35 *

    36 */

    37 class MCamVolumeKeyObserver

    38 	{

    39 public:

    40 	/**

    41 	* Report volume keys events to observer

    42 	* @since 3.1

    43 	* @param aOperationId Volume key up Volume key down event

    44 	* @param aButtonAct button action (press, release, click)

    45 	*/

    46 	virtual void HandleVolumeKeyEvent( TRemConCoreApiOperationId aOperationId,

    47                             			TRemConCoreApiButtonAction aButtonAct ) = 0;

    48 	};

    49 

    50 // CLASS DECLARATION

    51 

    52 /**

    53 *  Observes Remote Controller Framework

    54 *  

    55 *  @since 3.1

    56 */

    57 class CCamRemConObserver 

    58     : public CBase, public MRemConCoreApiTargetObserver

    59     {

    60     public:  // Constructors and destructor      

    61         

    62         /**

    63         * Two-phased constructor.

    64         * @param aZoomPane zoom pane instance

    65         * @return new instance.

    66         */

    67         static CCamRemConObserver* NewL( MCamVolumeKeyObserver& aObserver );

    68 

    69         /**

    70         * Destructor.

    71         */

    72         ~CCamRemConObserver();

    73 

    74     public: // New functions

    75         

    76     protected:

    77 

    78         /**

    79         * from MRemConCoreApiTargetObserver interface class.

    80         * A command has been received. 

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

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

    83         */

    84         void MrccatoCommand( TRemConCoreApiOperationId aOperationId, 

    85                              TRemConCoreApiButtonAction aButtonAct );

    86 

    87         /**

    88         * from MRemConCoreApiTargetObserver interface class.

    89         * not used

    90         */

    91         void MrccatoPlay(TRemConCoreApiPlaybackSpeed aSpeed, 

    92 		                        TRemConCoreApiButtonAction aButtonAct);

    93 

    94         /**

    95         * from MRemConCoreApiTargetObserver interface class.

    96         * not used

    97         */

    98         void MrccatoTuneFunction(TBool aTwoPart, 

    99                         		TUint aMajorChannel, 

   100                         		TUint aMinorChannel,

   101                         		TRemConCoreApiButtonAction aButtonAct);

   102 

   103         /**

   104         * from MRemConCoreApiTargetObserver interface class.

   105         * not used

   106         */

   107         void MrccatoSelectDiskFunction(TUint aDisk,

   108                         		TRemConCoreApiButtonAction aButtonAct);

   109 	

   110         /**

   111         * from MRemConCoreApiTargetObserver interface class.

   112         * not used

   113         */

   114         void MrccatoSelectAvInputFunction(TUint8 aAvInputSignalNumber,

   115                         		TRemConCoreApiButtonAction aButtonAct);

   116 

   117         /**

   118         * from MRemConCoreApiTargetObserver interface class.

   119         * not used

   120         */

   121         void MrccatoSelectAudioInputFunction(TUint8 aAudioInputSignalNumber,

   122                         		TRemConCoreApiButtonAction aButtonAct);

   123 

   124     private:

   125 

   126         /**

   127         * C++ default constructor.

   128         * @since 3.1

   129         * @param aZoomPane instance of zoom pane

   130         */

   131         CCamRemConObserver( MCamVolumeKeyObserver& aObserver );

   132 

   133         /**

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

   135         */

   136         void ConstructL();

   137         

   138     private:    // Data

   139         

   140         // Remote Controller

   141         CRemConInterfaceSelector* iInterfaceSelector;  

   142         

   143         // Remote Controller

   144         CRemConCoreApiTarget* iCoreTarget;

   145         

   146         // Key response

   147         CCamRemConKeyResponse* iActiveRemCon;

   148         

   149         // zoom pane

   150         MCamVolumeKeyObserver& iObserver;

   151     };

   152 

   153 #endif      // CAMVOLKEYOBSERVER_H

   154             

   155 // End of File