1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicscomposition/surfaceupdate/tsrc/tcompositionbackend.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,127 @@
1.4 +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +/**
1.20 + @file
1.21 + @test
1.22 + @internalComponent - Internal Symbian test code
1.23 +*/
1.24 +
1.25 +
1.26 +#if !defined(__TCOMPOSITIONBACKEND_H__)
1.27 +#define __TCOMPOSITIONBACKEND_H__
1.28 +
1.29 +#include <e32base.h>
1.30 +#include <graphics/surface.h>
1.31 +#include <graphics/compositionsurfaceupdate.h>
1.32 +#include <graphics/extensioncontainer.h>
1.33 +#include "trequestorder.h"
1.34 +
1.35 +/**
1.36 +The following constants signify the delay in microseconds between two
1.37 +emulations of composition. During the emulation mock receiver will
1.38 +process a number of outstanding requests and issues the signal
1.39 +back to the SUS. Content update receiver with highest priority will process the
1.40 +requests at highest rate.
1.41 +*/
1.42 +const TInt KCompositionInterval = 1000000 / 20; // for composition threads with normal priority
1.43 +const TInt KCompositionIntervalLong = KCompositionInterval * 2; // for composition threads with lower priority
1.44 +const TInt KCompositionIntervalShort = KCompositionInterval / 2; // for composition threads with higher priority
1.45 +
1.46 +enum RequestType
1.47 + {
1.48 + EReqEmpty = 0,
1.49 + EReqAvailable,
1.50 + EReqDisplayed,
1.51 + EReqDisplayedXTimes,
1.52 + };
1.53 +
1.54 +class RequestObject
1.55 + {
1.56 +public:
1.57 + RequestType iType;
1.58 + TRequestStatus* iStatus;
1.59 + TUint32* iTimeStamp;
1.60 + TInt iDisplayedXTimes;
1.61 + };
1.62 +
1.63 +NONSHARABLE_CLASS(CTContentUpdateReceiver) :
1.64 +public CExtensionContainer,
1.65 +public MCompositionSurfaceUpdate
1.66 + {
1.67 +public:
1.68 + static CTContentUpdateReceiver* NewL(TInt aScreen);
1.69 + ~CTContentUpdateReceiver();
1.70 + static TInt ThreadFunction(TAny* aAny);
1.71 + TInt Screen() {return iScreen;}
1.72 + void Stop();
1.73 + void SetCompositionOrder(CRequestOrder* aOrder) { iCompositionOrder = aOrder;}
1.74 + IMPORT_C void SetVisible(TBool aVisible);
1.75 + IMPORT_C TInt SetInternalPriority(TThreadPriority aInternalPriority);
1.76 + inline TBool OutstandingRequest(); //returns ETrue if there are any oustanding requests need to be processed by the mock receiver
1.77 +
1.78 + /**
1.79 + Mark the surface as dirty and request for composition.
1.80 + The function doesn't take onwership of aRegion
1.81 + */
1.82 + virtual void ContentUpdated(const TSurfaceId& aSurface,
1.83 + TInt aBuffer,
1.84 + const TRegion* aRegion,
1.85 + TRequestStatus* aStatusAvailable,
1.86 + TRequestStatus* aStatusDisplayed,
1.87 + TUint32* aTimeStamp,
1.88 + TRequestStatus* aStatusDispXTimes,
1.89 + TInt* aDisplayedXTimes);
1.90 +
1.91 + virtual void Delete(void){}
1.92 + virtual TInt ApiVersion(void) {return 0;}
1.93 + virtual TVersion InternalVersion(void){return TVersion();}
1.94 +protected: //From CBase
1.95 + virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);
1.96 +private:
1.97 + CTContentUpdateReceiver(TInt aScreen);
1.98 + void ConstructL();
1.99 + TInt CheckNewNotifications();
1.100 + void DoSetInternalPriorityL();
1.101 + static TInt CallBack(TAny *aAny);
1.102 + TInt Add(TRequestStatus *aStatus, RequestType aType,
1.103 + TInt aDisplayedXTimes = 1, TUint32* aTimeStamp = NULL);
1.104 + void Remove(TInt aIndex);
1.105 +private:
1.106 + TThreadId iThreadId; //thread from which ContentUpdated is called
1.107 + TThreadId iReceiverThreadId;
1.108 + TBool iStop;
1.109 + TInt iScreen;
1.110 + CPeriodic* iPeriodic;
1.111 + RequestObject iArray[1024]; //should be big enough
1.112 + TInt iNumberElements;
1.113 + TBool iVisible;
1.114 + TBool iSetInternalPriority;
1.115 + TThreadPriority iInternalPriority;
1.116 + CRequestOrder* iCompositionOrder;
1.117 + RFastLock iLock;
1.118 + RSemaphore iPriorityLock;
1.119 + };
1.120 +
1.121 +IMPORT_C TInt StartTestUpdateReceiver(CTContentUpdateReceiver*& aReceiver, TInt aScreen);
1.122 +IMPORT_C void CloseTestUpdateReceiver(CTContentUpdateReceiver* aReceiver);
1.123 +
1.124 +
1.125 +
1.126 +inline TBool CTContentUpdateReceiver::OutstandingRequest()
1.127 + { return iNumberElements > 0;}
1.128 +
1.129 +
1.130 +#endif // __TCOMPOSITIONBACKEND_H__