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// Copyright (c) 2010 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:
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//
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#ifndef APIWRAPPER_H
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#define APIWRAPPER_H
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#ifndef PSU_PLATFORMTHREADING_H
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#include "platformthreading.h"
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#endif
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#ifndef PSU_PLATFORMTYPES_H
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#include "platformtypes.h"
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#endif
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#include "remotefunctioncall.h"
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class RemoteFunctionCall;
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class MGraphicsVHWCallback;
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class APIWrapperStack
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{
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public:
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APIWrapperStack(): iStack( NULL ), iStackIndex(0), iStackSize(0)
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{
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}
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bool InitStack( int stackSize )
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{
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if ( iStack )
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{
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delete [] iStack;
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}
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iStack = (char*)new unsigned long[(stackSize+3)/4];
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iStackIndex = 0;
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iStackSize = stackSize;
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return iStack != NULL;
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}
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void* AllocFromStack( int size, int alignment )
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{
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unsigned int adjustedIndex = RemoteFunctionCallData::AlignIndex( iStackIndex, alignment );
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if ( adjustedIndex + size < iStackSize )
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{
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iStackIndex = adjustedIndex + size;
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return (void*)(iStack + adjustedIndex);
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}
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else
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{
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return NULL;
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}
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}
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void ClearStack()
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{
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iStackIndex = 0;
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}
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~APIWrapperStack()
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{
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delete [] iStack;
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iStack = NULL;
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}
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private:
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char* iStack;
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unsigned int iStackIndex;
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unsigned int iStackSize;
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};
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class APIWrapper
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{
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public:
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virtual ~APIWrapper();
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//void SetCurrentRFC( );
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virtual void SetProcessInformation( TUint32 aProcess, TUint32 aThread ) = 0;
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virtual void Cleanup( TUint32 aProcess, TUint32 aThread ) = 0;
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virtual int DispatchRequest( unsigned long aCode ) = 0;
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protected:
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APIWrapper( RemoteFunctionCallData& currentFunctionCall,
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APIWrapperStack* stack,
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void* result,
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MGraphicsVHWCallback* serviceIf);
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virtual int WriteReply();
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protected:
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RemoteFunctionCallData& m_currentFunctionCallData;
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void* m_currentResult;
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APIWrapperStack* iStack;
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MGraphicsVHWCallback* iServiceIf;
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};
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#endif
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