/*

* Copyright (c) 2004 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:    DisplaySink subsystem.

*

*/

#ifndef CDISPLAYSINKDP_H

#define CDISPLAYSINKDP_H

//  INCLUDE FILES

#include "CDisplaySink.h"

#include "TDisplaySinkParamsDP.h"

// CLASS DECLARATION

/**

*  Displaysink implementation for Display Posting.

*

*  @lib displaysink.lib

*  @since Series 60 3.1

*/

NONSHARABLE_CLASS( CDisplaySinkDP ) : public CDisplaySink

    {

public: // static constructor

    /**

    * Static constructor that may leave.

    */

    static CDisplaySinkDP* NewL( TDisplaySinkParams& aParams,

        const TDesC8& aInitData );

private: // constructors and destructor

    /**

    * C++ default constructor.

    */

    CDisplaySinkDP();

    /**

    * destructor

    */

    ~CDisplaySinkDP();

private: // from CDisplaySink

    /**

    * @see CDisplaySink::BaseConstructL

    */

    void BaseConstructL( TDisplaySinkParams& aParams,

        const TDesC8& aInitData );

    /**

    * @see CDisplaySink::BaseConvert

    */

    TBool BaseConvert( const TVtMMFDataBuffer& aBuffer );

    /**

    * @see CDisplaySink::BaseSinkThreadLogonL

    */

    void BaseSinkThreadLogonL();

    /**

    * @see CDisplaySink::BaseSinkThreadLogoff

    */

    void BaseSinkThreadLogoff();

    /**

    * @see CDisplaySink::BaseUpdateSinkParamsL

    */

    void BaseUpdateSinkParamsL( const TDisplaySinkParams& aParams );

    /**

    * @see CDisplaySink::BaseDoUpdateParamsL

    */

    void BaseDoUpdateParamsL();

    /**

    * @see CDisplaySink::BaseDoUpdateParamsL

    */

    void BaseSetVideoFrameSizeL( const TSize& aSize );

    /**

    * @see CDisplaySink::BaseSizesMatch

    */

    TBool BaseSizesMatch( const TSize& aSize );

    /**

    * @see CDisplaySink::BitmapEntry

    */

    TBitmapEntry& BitmapEntry( TInt aIndex );

    /**

    * @see CDisplaySink::BaseEmptyBufferL

    */

    void BaseEmptyBufferL( TVtMMFDataBuffer& aVTMMFBuffer );

    /**

    * @see CDisplaySink::BaseSetBitmapAvailable

    */

    void BaseSetBitmapAvailable( TBitmapNo aBitmapNo );

    /**

    * @see CDisplaySink::BaseVideoFrameSizeChangedL

    */

    void BaseVideoFrameSizeChangedL( const TSize& aNewSize );

private: // MDisplaySink

    /**

    * @see MDisplaySink::NextFrame

    */

    void NextFrame();

private: // new methods

    /**

    * Updates expected frame size.

    * @exception May leave with KErrNotSupported, if bitmap sizes do not match.

    */

    void UpdateExpectedFrameSizeL();

private: // new classes

    // Class posting buffer related data

    class TBitmapEntryDP : public TBitmapEntry

        {

    public: // data

        // Pointer to Posting Buffer pointer

        CPostingSurface::TPostingBuff** iBuffer;

        };

private: // data

    // Array of bitmap related structures

    TBitmapEntryDP iBitmapTable[ KBitmapTableCount ];

    // Store for saving new parameters in UpdateSinkParamsL() call

    TDisplaySinkParamsDP iNewParams;

    };

#endif // CDISPLAYSINKDP_H

// End of File