// Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).

//

// Permission is hereby granted, free of charge, to any person obtaining a

// copy of this software and/or associated documentation files (the

// "Materials"), to deal in the Materials without restriction, including

// without limitation the rights to use, copy, modify, merge, publish,

// distribute, sublicense, and/or sell copies of the Materials, and to

// permit persons to whom the Materials are furnished to do so, subject to

// the following conditions:

//

// The above copyright notice and this permission notice shall be included

// in all copies or substantial portions of the Materials.

//

// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.

// 

// Description:

// Display Screen Interface implementation for Display Channel

// 

//

#ifndef OPENWFC_RI_DISPLAYCHANNEL_H

#define OPENWFC_RI_DISPLAYCHANNEL_H

#include <WF/openwfc_ri_display.h>

#include <dispchannel.h>

NONSHARABLE_CLASS(COpenWFC_RI_DisplayChannel) : public COpenWFC_RI_Display

    {

public:

    ~COpenWFC_RI_DisplayChannel();

    static COpenWFC_RI_DisplayChannel* NewL(TUint aScreen);

public:

    TInt GetAttribute(TInt aAttributeId, TAny* aAttribute, TInt aAttributeSize);

    TInt SetAttribute(TInt aAttributeId, TAny* aAttribute, TInt aAttributeSize);

    TInt CommitAttribute();

    TInt SetLayerSurface(TInt aLayer, SymbianStreamType aStream,TInt* aNonTrivialAttribs);

    TInt UpdateDisplay();

    TInt SetTopLayerSurface(SymbianStreamType aStream,TInt* aNonTrivialAttribs);

private:    

    COpenWFC_RI_DisplayChannel(TUint aScreen);

    void ConstructL();

private:

    struct TBufferAddress

        {

        RChunk  iChunk;

        TInt    iOffset;

        TUint8* iAddress;

        };

private:

    TUint iScreenNumber;

    TInt iRotationOffset;

    RDisplayChannel::TDisplayRotation iDefaultRotation;

    TScreenGeometryAttribute iScreenInfo;

    RArray <TBufferAddress*> iCompositionBuffer;

    RDisplayChannel iDispChan;

    TScreenRotation iNewRotation;

    SymbianStreamType iCurrentSceneStream;

public:

    static const TInt32 KImplementationVersion = 0x00000001;

    };

#endif // OPENWFC_RI_DISPLAYCHANNEL_H