vtprotocolplugins/DisplaySink/inc/CDisplaySinkDP.h
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/*
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* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    DisplaySink subsystem.
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*
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*/
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#ifndef CDISPLAYSINKDP_H
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#define CDISPLAYSINKDP_H
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//  INCLUDE FILES
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#include "CDisplaySink.h"
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#include "TDisplaySinkParamsDP.h"
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// CLASS DECLARATION
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/**
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*  Displaysink implementation for Display Posting.
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*
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*  @lib displaysink.lib
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*  @since Series 60 3.1
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*/
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NONSHARABLE_CLASS( CDisplaySinkDP ) : public CDisplaySink
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    {
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public: // static constructor
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    /**
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    * Static constructor that may leave.
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    */
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    static CDisplaySinkDP* NewL( TDisplaySinkParams& aParams,
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        const TDesC8& aInitData );
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private: // constructors and destructor
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    /**
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    * C++ default constructor.
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    */
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    CDisplaySinkDP();
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    /**
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    * destructor
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    */
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    ~CDisplaySinkDP();
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private: // from CDisplaySink
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    /**
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    * @see CDisplaySink::BaseConstructL
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    */
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    void BaseConstructL( TDisplaySinkParams& aParams,
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        const TDesC8& aInitData );
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    /**
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    * @see CDisplaySink::BaseConvert
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    */
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    TBool BaseConvert( const TVtMMFDataBuffer& aBuffer );
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    /**
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    * @see CDisplaySink::BaseSinkThreadLogonL
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    */
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    void BaseSinkThreadLogonL();
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    /**
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    * @see CDisplaySink::BaseSinkThreadLogoff
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    */
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    void BaseSinkThreadLogoff();
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    /**
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    * @see CDisplaySink::BaseUpdateSinkParamsL
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    */
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    void BaseUpdateSinkParamsL( const TDisplaySinkParams& aParams );
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    /**
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    * @see CDisplaySink::BaseDoUpdateParamsL
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    */
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    void BaseDoUpdateParamsL();
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    /**
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    * @see CDisplaySink::BaseDoUpdateParamsL
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    */
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    void BaseSetVideoFrameSizeL( const TSize& aSize );
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    /**
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    * @see CDisplaySink::BaseSizesMatch
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    */
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    TBool BaseSizesMatch( const TSize& aSize );
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    /**
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    * @see CDisplaySink::BitmapEntry
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    */
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    TBitmapEntry& BitmapEntry( TInt aIndex );
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    /**
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    * @see CDisplaySink::BaseEmptyBufferL
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    */
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    void BaseEmptyBufferL( TVtMMFDataBuffer& aVTMMFBuffer );
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    /**
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    * @see CDisplaySink::BaseSetBitmapAvailable
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    */
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    void BaseSetBitmapAvailable( TBitmapNo aBitmapNo );
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    /**
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    * @see CDisplaySink::BaseVideoFrameSizeChangedL
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    */
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    void BaseVideoFrameSizeChangedL( const TSize& aNewSize );
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private: // MDisplaySink
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    /**
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    * @see MDisplaySink::NextFrame
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    */
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    void NextFrame();
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private: // new methods
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    /**
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    * Updates expected frame size.
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    * @exception May leave with KErrNotSupported, if bitmap sizes do not match.
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    */
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    void UpdateExpectedFrameSizeL();
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private: // new classes
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    // Class posting buffer related data
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    class TBitmapEntryDP : public TBitmapEntry
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        {
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    public: // data
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        // Pointer to Posting Buffer pointer
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        CPostingSurface::TPostingBuff** iBuffer;
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        };
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private: // data
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    // Array of bitmap related structures
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    TBitmapEntryDP iBitmapTable[ KBitmapTableCount ];
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    // Store for saving new parameters in UpdateSinkParamsL() call
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    TDisplaySinkParamsDP iNewParams;
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    };
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#endif // CDISPLAYSINKDP_H
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// End of File