/* Copyright (c) 2008-2009 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:    Gif Texture creator implementation

*

*/

#ifndef GLXDRMGIFTEXTURECREATOR_H_

#define GLXDRMGIFTEXTURECREATOR_H_

#include <w32std.h>

#include <fbs.h>

#include <icl\imagedata.h>

class CGlxDRMgifDecoderAO;

class CImageDecoder;

class CGlxUiUtility;

class CGlxBinding;

class TGlxMedia;                            // Reference to a media item in the item pool

class CAlfEnv;

namespace Alf

    {

    class IMulModel;                        // An interface for the data model

    class IMulWidget;                       // An interface for all Multimedia widgets

    class MulVisualItem;                    // Client need to use this class to add data in data model

    }

const TInt KGlxMaxFrameCount = 25;

class CGlxDrmGifTextureCreator: public CBase

    {

public:

    /*

     * 

     */

    static CGlxDrmGifTextureCreator* NewL(const CGlxBinding& aBinding,

            const TGlxMedia& aMedia, TInt aItemIndex,  Alf::IMulModel* aModel);

    /*

     * destructor

     */

    ~CGlxDrmGifTextureCreator();

public:

    /*

     * This is to cancel the active object from decoding 

     */

    void HandleRunL(TRequestStatus& aStatus);

    /*

     * This updates the new image.

     */

    void UpdateNewImageL(const TGlxMedia& aMedia, TInt aItemIndex);

    /*

     * Enable/Disable the animation

     */

    void AnimateDRMGifItem(TBool aAnimate);

private:

    /*

     * Ctor 

     */

    CGlxDrmGifTextureCreator(const CGlxBinding& aBinding,

            const TGlxMedia& aMedia, TInt aItemIndex,  Alf::IMulModel* aModel);

    /*

     * ConstructL()

     */

    void ConstructL();   

    /*

     * Call a refresh on the screen  

     */

    void RefreshL();

    /*

     * Release contents 

     */

    void ReleaseContent();

    /*

     * Create bitmap  

     */

    void CreateBitmapAndStartDecodingL();

    /*

     * Create an image decoder with given file

     * @param - Image file 

     */

    void CreateImageDecoderL(const TDesC& aImageFile);

	static TInt TimerCallbackL(TAny* aThis);

    /*

     * ProcessTimerEventL

     */

    void ProcessTimerEventL();

    /*

	 * ProcessImageL

	 */

	void ProcessImageL();

	TSize ReCalculateSizeL(TSize& aTargetBitmapSize);

	void SetTexture(TInt aTextureId=KErrNotFound);

private:

    TSize iOrigImageDimensions;

    TInt iFrameCount;

    CFbsBitmap*         iDecodedBitmap[KGlxMaxFrameCount];             //Decoded bitmap of the focussed image

    CFbsBitmap*         iDecodedMask[KGlxMaxFrameCount];

    //ICL

    CGlxDRMgifDecoderAO*  iGlxDecoderAO;            // Internal Image decoder AO              

    CImageDecoder*      iImageDecoder;              // Image Decoder

    TInt                iAnimCount;                 // animation count

    RFs                 iFsSession;                 // RFs

    CPeriodic* iTimer;

    CPeriodic* iAnimationTimer;

	TBool iBitmapReady;

#ifdef _DEBUG

    TTime iStartTime;

    TTime iStopTime;

#endif   

    const CGlxBinding* iBinding;

    const TGlxMedia* iMedia;

    Alf::IMulModel* iModel;

    TInt iItemIndex;

    CGlxUiUtility* iUiUtility ;

    TBool iAnimateFlag;

    TBool iTransparencyPossible;

    TFrameInfo iFrameInfo;

    };

#endif /* GLXDRMGIFTEXTURECREATOR_H_ */