/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Handler for camera, keypad and video player resources

*

*/

#include "musuipropertyobserver.h"

#include "musresourceproperties.h"

#include "mussettingskeys.h"

#include <e32base.h>

class CMusUiPropertyWatch;

class MMusUiEventObserver;

class CAknWaitDialog;

/**

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

 * hardware and software resources.

 */

class CMusUiResourceHandler : public CBase,

                              public MMusUiPropertyObserver

    {

    public:

        virtual ~CMusUiResourceHandler();

        static CMusUiResourceHandler* NewL( MMusUiEventObserver& aObserver );

    public: // API

        TBool RequestKeypadL( TBool aMandatory = EFalse );

        TBool RequestCameraL( TBool aMandatory = EFalse );

        TBool RequestVideoPlayerL( TBool aMandatory = EFalse );

    public:	// From MMusUiPropertyObserver

        /**

        * @param TUint aKey - The Property key

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

        */

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

        virtual void HandlePropertyError( const TInt aReason );

    private:

        CMusUiResourceHandler( MMusUiEventObserver& aObserver );

        void ConstructL();

    private: // Helpers

        TBool ShowChangeProductModeDialogL( const TDesC& aPrompt );

        TBool IsCurrentlyAvailable( NMusResourceApi::TAvailability aResourceAvailability,

        							MusSettingsKeys::TUsability aResourceUsability );

    private: // data

        /**

        * 

        */

        MMusUiEventObserver& iObserver;

        /**

        * 

        */

    	CMusUiPropertyWatch* iCameraResourceWatch;

        /**

        * 

        */

    	CMusUiPropertyWatch* iKeypadResourceWatch;

        /**

        * It holds the value for CameraAvailability.

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

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

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

        * listner and set the value accordingly.

        */

        NMusResourceApi::TAvailability iCameraAvailability;

        /**

        * It holds the value for KeypadAvailability.

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

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

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

        * listner and set the value accordingly.

        */

        NMusResourceApi::TAvailability iKeypadAvailability;

		/**

        * It holds the value for CameraUsability.

        * Intially read from cenrep and assigned

        * Refer mussettingskeys.h to know the bit value.

        */

        MusSettingsKeys::TUsability iCameraUsability;

        /**

        * It holds the value for KeypadUsability.

        * Intially read from cenrep and assigned

        * Refer mussettingskeys.h to know the bit value.

        */

        MusSettingsKeys::TUsability iKeypadUsability;

        /**

        * It holds the value for VideoplayerUsability.

        * Intially read from cenrep and assigned

        * Refer mussettingskeys.h to know the bit value.

        */

        MusSettingsKeys::TUsability iVideoplayerUsability;

        /**

        * 

        */

        TBool iCameraAvailibilityInProgress;

        /**

        * 

        */

        TBool iKeypadAvailibilityInProgress;

        /**

        * 

        */

        CAknWaitDialog* iChangeProductModeDialog;

        /**

        * 

        */

        HBufC* iDialogPrompt;

    };