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:  Handler for camera, keypad and video player resources

    15 *

    16 */

    17 

    18 

    19 

    20 #include "musuipropertyobserver.h"

    21 #include "musresourceproperties.h"

    22 #include "mussettingskeys.h"

    23 

    24 #include <e32base.h>

    25 

    26 class CMusUiPropertyWatch;

    27 class MMusUiEventObserver;

    28 class CAknWaitDialog;

    29 

    30 /**

    31  * Encapsulates handling and observing of camera, keypad and video player

    32  * hardware and software resources.

    33  */

    34 class CMusUiResourceHandler : public CBase,

    35                               public MMusUiPropertyObserver

    36     {

    37     

    38     public:

    39     

    40         virtual ~CMusUiResourceHandler();

    41         

    42         static CMusUiResourceHandler* NewL( MMusUiEventObserver& aObserver );

    43     

    44     public: // API

    45         

    46         TBool RequestKeypadL( TBool aMandatory = EFalse );

    47         

    48         TBool RequestCameraL( TBool aMandatory = EFalse );

    49         

    50         TBool RequestVideoPlayerL( TBool aMandatory = EFalse );

    51         

    52         

    53     public:	// From MMusUiPropertyObserver

    54 

    55         /**

    56         * @param TUint aKey - The Property key

    57         * @param TInt aValue - The value of the Property key

    58         */

    59         virtual	void PropertyChanged( const TUint aKey, const TInt aValue );

    60 

    61         virtual void HandlePropertyError( const TInt aReason );

    62         

    63         

    64     private:

    65     

    66         CMusUiResourceHandler( MMusUiEventObserver& aObserver );

    67         

    68         void ConstructL();

    69     

    70     

    71     private: // Helpers

    72     

    73         TBool ShowChangeProductModeDialogL( const TDesC& aPrompt );

    74         

    75         TBool IsCurrentlyAvailable( NMusResourceApi::TAvailability aResourceAvailability,

    76         							MusSettingsKeys::TUsability aResourceUsability );

    77         

    78         

    79     private: // data

    80         

    81         /**

    82         * 

    83         */

    84         MMusUiEventObserver& iObserver;

    85     

    86         /**

    87         * 

    88         */

    89     	CMusUiPropertyWatch* iCameraResourceWatch;

    90 

    91         /**

    92         * 

    93         */

    94     	CMusUiPropertyWatch* iKeypadResourceWatch;

    95         

    96         /**

    97         * It holds the value for CameraAvailability.

    98         * If it is static available ( Bit set to 0 in Cenrep)

    99         * then it will be available always , if the bit set

   100         * to 1 ( dynamic ) then it should be monitored by property

   101         * listner and set the value accordingly.

   102         */

   103         NMusResourceApi::TAvailability iCameraAvailability;

   104 

   105         /**

   106         * It holds the value for KeypadAvailability.

   107         * If it is static available ( Bit set to 0 in Cenrep)

   108         * then it will be available always , if the bit set

   109         * to 1 ( dynamic ) then it should be monitored by property

   110         * listner and set the value accordingly.

   111         */

   112         NMusResourceApi::TAvailability iKeypadAvailability;

   113 

   114 		/**

   115         * It holds the value for CameraUsability.

   116         * Intially read from cenrep and assigned

   117         * Refer mussettingskeys.h to know the bit value.

   118         */

   119         MusSettingsKeys::TUsability iCameraUsability;

   120         

   121         /**

   122         * It holds the value for KeypadUsability.

   123         * Intially read from cenrep and assigned

   124         * Refer mussettingskeys.h to know the bit value.

   125         */

   126         MusSettingsKeys::TUsability iKeypadUsability;

   127         

   128         /**

   129         * It holds the value for VideoplayerUsability.

   130         * Intially read from cenrep and assigned

   131         * Refer mussettingskeys.h to know the bit value.

   132         */

   133         MusSettingsKeys::TUsability iVideoplayerUsability;

   134 

   135         /**

   136         * 

   137         */

   138         TBool iCameraAvailibilityInProgress;

   139         

   140         /**

   141         * 

   142         */

   143         TBool iKeypadAvailibilityInProgress;

   144         

   145         /**

   146         * 

   147         */

   148         CAknWaitDialog* iChangeProductModeDialog;

   149         

   150         /**

   151         * 

   152         */

   153         HBufC* iDialogPrompt;

   154         

   155     };

   156 

   157 

   158 

   159