/* 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.

  */

 #ifndef OWFDISPLAYCONTEXT_H

 #define OWFDISPLAYCONTEXT_H

 #include <e32base.h>

 #include <e32cmn.h>

 #include <dispchannel.h>

 #include "owfmemory.h"

 #include "owfscreen.h"

 #include "owfdisplaycontextgeneral.h"

 #include <WF\openwfc_ri_display.h>

 #define _OWF_DISPLAYCONTEXT(x)          (static_cast<OWFDisplayContext *>(x))

 struct TBufferAddress

     {

     RChunk  iChunk;

     TInt    iOffset;

     TUint8* iAddress;

     };

 /**

 Container that allocates and destroys the chunks used by the scratch buffers.

 */

 class COwfScratchBuffers : public CBase

     {

 public:

     void* Allocate(TInt aMinSize);

     void Destroy(void* aAddress);

     ~COwfScratchBuffers();

 private:

     RArray <TBufferAddress> iBuffers;

     };

 typedef struct OWFDisplayContext_

     {

 public:

     COpenWFC_RI_Display *iScreenContext;

     COwfScratchBuffers iBuffers;

     WFCint iEventServerUpdate;

     WFCboolean iCompositionOngoing;

     WFCint iPreviousCommit;

     WFCint iSerialNumber;

     OWF_SEMAPHORE iRendezvous;

     OWFNativeStreamType fastpathStream;

     WFCboolean fastpathChecked;

     WFCboolean iInternalStreamAccessed;

 public:

     virtual ~OWFDisplayContext_();

     } OWFDisplayContext;

 #endif //OWFDISPLAYCONTEXT_H