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// Copyright (c) 2006-2009 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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/**
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@file
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@test
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@internalComponent - Internal Symbian test code
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*/
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#if !defined(__TCOMPOSITIONBACKEND_H__)
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#define __TCOMPOSITIONBACKEND_H__
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#include <e32base.h>
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#include <graphics/surface.h>
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#include <graphics/compositionsurfaceupdate.h>
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#include <graphics/extensioncontainer.h>
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#include "trequestorder.h"
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/**
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The following constants signify the delay in microseconds between two
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emulations of composition. During the emulation mock receiver will
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process a number of outstanding requests and issues the signal
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back to the SUS. Content update receiver with highest priority will process the
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requests at highest rate.
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*/
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const TInt KCompositionInterval = 1000000 / 20; // for composition threads with normal priority
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const TInt KCompositionIntervalLong = KCompositionInterval * 2; // for composition threads with lower priority
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const TInt KCompositionIntervalShort = KCompositionInterval / 2; // for composition threads with higher priority
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enum RequestType
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{
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EReqEmpty = 0,
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EReqAvailable,
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EReqDisplayed,
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EReqDisplayedXTimes,
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};
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class RequestObject
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{
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public:
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RequestType iType;
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TRequestStatus* iStatus;
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TUint32* iTimeStamp;
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TInt iDisplayedXTimes;
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};
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NONSHARABLE_CLASS(CTContentUpdateReceiver) :
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public CExtensionContainer,
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public MCompositionSurfaceUpdate
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{
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public:
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static CTContentUpdateReceiver* NewL(TInt aScreen);
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~CTContentUpdateReceiver();
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static TInt ThreadFunction(TAny* aAny);
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TInt Screen() {return iScreen;}
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void Stop();
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void SetCompositionOrder(CRequestOrder* aOrder) { iCompositionOrder = aOrder;}
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IMPORT_C void SetVisible(TBool aVisible);
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IMPORT_C TInt SetInternalPriority(TThreadPriority aInternalPriority);
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inline TBool OutstandingRequest(); //returns ETrue if there are any oustanding requests need to be processed by the mock receiver
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/**
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Mark the surface as dirty and request for composition.
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The function doesn't take onwership of aRegion
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*/
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virtual void ContentUpdated(const TSurfaceId& aSurface,
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TInt aBuffer,
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const TRegion* aRegion,
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TRequestStatus* aStatusAvailable,
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TRequestStatus* aStatusDisplayed,
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TUint32* aTimeStamp,
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TRequestStatus* aStatusDispXTimes,
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TInt* aDisplayedXTimes);
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virtual void Delete(void){}
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virtual TInt ApiVersion(void) {return 0;}
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virtual TVersion InternalVersion(void){return TVersion();}
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protected: //From CBase
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virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);
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private:
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CTContentUpdateReceiver(TInt aScreen);
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void ConstructL();
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TInt CheckNewNotifications();
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void DoSetInternalPriorityL();
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static TInt CallBack(TAny *aAny);
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TInt Add(TRequestStatus *aStatus, RequestType aType,
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TInt aDisplayedXTimes = 1, TUint32* aTimeStamp = NULL);
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void Remove(TInt aIndex);
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private:
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TThreadId iThreadId; //thread from which ContentUpdated is called
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TThreadId iReceiverThreadId;
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TBool iStop;
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TInt iScreen;
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CPeriodic* iPeriodic;
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RequestObject iArray[1024]; //should be big enough
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TInt iNumberElements;
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TBool iVisible;
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TBool iSetInternalPriority;
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TThreadPriority iInternalPriority;
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CRequestOrder* iCompositionOrder;
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RFastLock iLock;
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RSemaphore iPriorityLock;
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};
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IMPORT_C TInt StartTestUpdateReceiver(CTContentUpdateReceiver*& aReceiver, TInt aScreen);
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IMPORT_C void CloseTestUpdateReceiver(CTContentUpdateReceiver* aReceiver);
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inline TBool CTContentUpdateReceiver::OutstandingRequest()
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{ return iNumberElements > 0;}
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#endif // __TCOMPOSITIONBACKEND_H__
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