Symaptic: os/graphics/graphicscomposition/surfaceupdate/tsrc/tcompositionbackend.h@260cb5ec6c19

     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 /**

    17  @file

    18  @test

    19  @internalComponent - Internal Symbian test code

    20 */

    23 #if !defined(__TCOMPOSITIONBACKEND_H__)

    24 #define __TCOMPOSITIONBACKEND_H__

    26 #include <e32base.h>

    27 #include <graphics/surface.h>

    28 #include <graphics/compositionsurfaceupdate.h>

    29 #include <graphics/extensioncontainer.h>

    30 #include "trequestorder.h"

    32 /**

    33 The following constants signify the delay in microseconds between two

    34 emulations of composition. During the emulation mock receiver will

    35 process a number of outstanding requests and issues the signal

    36 back to the SUS. Content update receiver with highest priority will process the

    37 requests at highest rate.

    38 */

    39 const TInt KCompositionInterval = 1000000 / 20; // for composition threads with normal priority

    40 const TInt KCompositionIntervalLong = KCompositionInterval * 2; // for composition threads with lower priority

    41 const TInt KCompositionIntervalShort = KCompositionInterval / 2; // for composition threads with higher priority

    43 enum RequestType

    44 	{

    45 	EReqEmpty = 0,

    46 	EReqAvailable,

    47 	EReqDisplayed,

    48 	EReqDisplayedXTimes,

    49 	};

    51 class RequestObject

    52 	{

    53 public:

    54 	RequestType iType;

    55 	TRequestStatus* iStatus;

    56 	TUint32* iTimeStamp;

    57 	TInt iDisplayedXTimes;

    58 	};

    60 NONSHARABLE_CLASS(CTContentUpdateReceiver) :

    61 public CExtensionContainer,

    62 public MCompositionSurfaceUpdate

    63 	{

    64 public:

    65 	static CTContentUpdateReceiver* NewL(TInt aScreen);

    66 	~CTContentUpdateReceiver();

    67 	static TInt ThreadFunction(TAny* aAny);

    68 	TInt Screen() {return iScreen;}

    69 	void Stop();

    70 	void SetCompositionOrder(CRequestOrder* aOrder) { iCompositionOrder = aOrder;}

    71 	IMPORT_C void SetVisible(TBool aVisible);

    72 	IMPORT_C TInt SetInternalPriority(TThreadPriority aInternalPriority);

    73 	inline TBool OutstandingRequest(); //returns ETrue if there are any oustanding requests need to be processed by the mock receiver

    75 	/**

    76 	Mark the surface as dirty and request for composition.

    77 	The function doesn't take onwership of aRegion

    78 	*/

    79 	virtual void ContentUpdated(const TSurfaceId& 	aSurface,

    80 										TInt 			aBuffer,

    81 										const TRegion* 	aRegion,

    82 										TRequestStatus* aStatusAvailable,

    83 										TRequestStatus* aStatusDisplayed,

    84 										TUint32* 		aTimeStamp,

    85 										TRequestStatus* aStatusDispXTimes,

    86 										TInt* 			aDisplayedXTimes);

    88 	virtual void	Delete(void){}

    89 	virtual TInt ApiVersion(void) {return 0;}

    90 	virtual TVersion InternalVersion(void){return TVersion();}

    91 protected:  //From CBase

    92     virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);

    93 private:

    94 	CTContentUpdateReceiver(TInt aScreen);

    95 	void ConstructL();

    96 	TInt CheckNewNotifications();

    97 	void DoSetInternalPriorityL();

    98 	static TInt CallBack(TAny *aAny);

    99     TInt Add(TRequestStatus *aStatus, RequestType aType,

   100             TInt aDisplayedXTimes = 1, TUint32* aTimeStamp = NULL);

   101 	void Remove(TInt aIndex);

   102 private:

   103 	TThreadId iThreadId; //thread from which ContentUpdated is called

   104 	TThreadId iReceiverThreadId;

   105 	TBool iStop;

   106 	TInt iScreen;

   107 	CPeriodic* iPeriodic;

   108 	RequestObject iArray[1024]; //should be big enough

   109 	TInt iNumberElements;

   110 	TBool iVisible;

   111 	TBool iSetInternalPriority;

   112 	TThreadPriority iInternalPriority;

   113 	CRequestOrder* iCompositionOrder;

   114 	RFastLock iLock;

   115 	RSemaphore iPriorityLock;

   116 	};

   118 IMPORT_C TInt StartTestUpdateReceiver(CTContentUpdateReceiver*& aReceiver, TInt aScreen);

   119 IMPORT_C void CloseTestUpdateReceiver(CTContentUpdateReceiver* aReceiver);

   123 inline TBool CTContentUpdateReceiver::OutstandingRequest()

   124 	{ return iNumberElements > 0;}

   127 #endif	// __TCOMPOSITIONBACKEND_H__

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--