author | MattD <mattd@symbian.org> |
Tue, 23 Mar 2010 13:32:10 +0000 | |
branch | NewGraphicsArchitecture |
changeset 21 | b77288873c88 |
parent 0 | 5d03bc08d59c |
child 98 | bf7481649c98 |
child 163 | bbf46f59e123 |
permissions | -rw-r--r-- |
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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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#ifndef __SURFACEUPDATESERVER_H__ |
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#define __SURFACEUPDATESERVER_H__ |
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/** |
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@file |
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@internalTechnology |
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*/ |
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#include <e32std.h> |
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#include <e32base.h> |
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#include <graphics/updateserverprovider.h> |
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#include <graphics/compositionsurfaceupdate.h> |
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enum TSurfaceUpdateServPanic |
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{ |
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EUpdateServPanicBadRequest = 1, |
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EUpdateServPanicNoMemory, |
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EUpdateServPanicStartUp, |
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EUpdateServPanicDataIntegrity, |
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EUpdateServPanicRegister, |
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}; |
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enum TSurfaceUpdateEvent |
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{ |
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EUpdateServEventRegister = 1, |
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EUpdateServEventTerminate //this event will only be used for test purpose |
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}; |
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class CSurfaceUpdateServer; |
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/** |
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The class implements interface(s) required for content update |
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Intended to be used by Surface-update control flow |
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@see MSurfaceUpdateServerProvider |
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*/ |
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class CSurfaceUpdateServerProvider : public CActive, public MSurfaceUpdateServerProvider |
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{ |
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public: |
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static CSurfaceUpdateServerProvider* NewL(CActive::TPriority aPriority, CSurfaceUpdateServer* aServer); |
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~CSurfaceUpdateServerProvider(); |
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//from MSurfaceUpdateServerProvider |
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IMPORT_C TInt Register(TInt aScreen, CBase* aUpdateReceiver, TInt aPriority); |
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//the following function is intended to be used for test purpose only, |
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//will have no effect in the release build |
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IMPORT_C void Terminate(); |
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protected: |
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CSurfaceUpdateServerProvider(CActive::TPriority aPriority, CSurfaceUpdateServer* aServer); |
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void ConstructL(); |
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void RunL(); |
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void DoCancel(); |
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protected: |
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CSurfaceUpdateServer* iServer; |
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TThreadId iThreadId; |
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TInt iRegisterErr; |
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CBase* iUpdateReceiver; |
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TInt iScreen; |
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TInt iPriority; |
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RSemaphore iSemaphore; |
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}; |
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/** |
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Priority is used to identify the master screen for the surface. |
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*/ |
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class TUpdateReceiverPriorityEntry |
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{ |
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public: |
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TInt iPriority; //Highest number signifies highest priority of the screen. |
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MCompositionSurfaceUpdate* iUpdateReceiver; //doesn't own |
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}; |
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/** |
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The server maintains session with the clients. |
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It starts during the initialization of the Compositor thread. |
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*/ |
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class CSurfaceUpdateServer : public CServer2 |
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{ |
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friend class CSurfaceUpdateSession; |
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public: |
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static CSurfaceUpdateServer* NewL(); |
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~CSurfaceUpdateServer(); |
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TInt Register(TInt aScreen, CBase* aUpdateReceiver, TInt aPriority); |
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virtual CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const; |
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static void PanicServer(TSurfaceUpdateServPanic aPanic); |
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/** |
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Provide surface update provider for usage by the content update receiver. |
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@return surface update provider |
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*/ |
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MSurfaceUpdateServerProvider* SurfaceUpdateProvider() const |
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{ |
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return static_cast <MSurfaceUpdateServerProvider*> (iServerProvider); |
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} |
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static TInt ThreadFunction(TAny* aAny); |
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// for DEF118736: [v9.5] turfaceupdatetestserver unexecuted |
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// For test purposes, only if iNumberPendingNotification reaches zero, the surface update server can be shut. |
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// The counter is incremented by one when the CUpdateReceiverNotification AO is set to self-destroyed in surface update session's destructor() |
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// The counter is decremented by one before its self-destruction in CUpdateReceiverNotification AO's RunL() |
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#ifdef TEST_SURFACE_UPDATE |
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TInt iNumberPendingNotification; |
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#endif |
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protected: |
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void ConstructL(); |
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CSurfaceUpdateServer(CActive::TPriority aPriority); |
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MCompositionSurfaceUpdate* UpdateReceiver(TInt aScreen) const; |
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/** |
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@return content update receiver priority list |
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*/ |
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inline const RPointerArray<TUpdateReceiverPriorityEntry>& UpdateReceiverPriority() const; |
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inline TInt NumUpdateReceivers() const; |
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static TInt CompareUpdateReceiverPriority(const TUpdateReceiverPriorityEntry& aEntry1, const TUpdateReceiverPriorityEntry& aEntry2); |
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protected: |
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RPointerArray<MCompositionSurfaceUpdate> iUpdateReceiver; //Screen number is the index for the access of the receiver entry in the array |
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RPointerArray<TUpdateReceiverPriorityEntry> iUpdateReceiverPriorityOrder; //stored in priority order, the higher the priority of the receiver the closer to the beginning of the array |
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CSurfaceUpdateServerProvider* iServerProvider; |
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}; |
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135 |
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136 |
|
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enum TNotificationType |
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{ |
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EUpdateSrvReusable = 1, /**< When a notification batch doesn’t contain any active notifiers, i.e. they have been processed by the content update receiver, the batch will not be deleted but becomes available for the following reuse.*/ |
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EUpdateSrvAvailable, |
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EUpdateSrvDisplayed, |
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EUpdateSrvDisplayedXTimes, |
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}; |
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144 |
|
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class CSurfaceUpdateSession; |
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class CUpdateReceiverNotificationBatch; |
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147 |
|
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/** |
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Notification object. Content update receiver signals the server via this object of composition events. |
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*/ |
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class CUpdateReceiverNotification : public CActive |
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{ |
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public: |
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CUpdateReceiverNotification(CActive::TPriority aPriority, TInt aReceiverPriority, CUpdateReceiverNotificationBatch *aParentNotificationBatch); |
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~CUpdateReceiverNotification(); |
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TRequestStatus& Status(); |
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void Activate(); |
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protected: |
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void DoCancel(); |
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virtual void RunL(); |
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161 |
public: |
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TUint32 iTimeStamp; |
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TInt iUpdateReceiverPriority; |
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TBool iSelfDestructWhenRun; |
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protected: |
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#ifdef TEST_SURFACE_UPDATE |
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void DecNumberPendingNotifications(); |
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#endif |
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protected: |
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CUpdateReceiverNotificationBatch *iParentNotificationBatch; //doesn't own |
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#ifdef TEST_SURFACE_UPDATE |
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CSurfaceUpdateServer* iServer; |
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#endif |
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}; |
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175 |
|
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/** |
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The class manages the batch of notification objects with the same type and |
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initiated by the particular SubmitUpdate request. |
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*/ |
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class CUpdateReceiverNotificationBatch : public CBase |
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{ |
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public: |
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CUpdateReceiverNotificationBatch(CSurfaceUpdateSession *aSession, TInt aNumReceivers); |
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~CUpdateReceiverNotificationBatch(); |
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void ProcessNotificationEvent(CUpdateReceiverNotification* aReceiverNotification); |
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TBool IsActive() const; |
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CUpdateReceiverNotification* UpdateReceiverNotification(TInt aReceiverPriority = 0); |
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void CheckForReuse(); |
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#ifdef TEST_SURFACE_UPDATE |
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CSurfaceUpdateServer* Server(); |
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void IncNumberPendingNotifications(); |
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#endif |
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public: |
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RMessage2 iMsg; |
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TNotificationType iType; |
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RPointerArray<CUpdateReceiverNotification> iUpdateReceiverNotifications; //for multiple entries stored in priority order, the higher the priority of the receiver the closer to the beginning of the array |
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protected: |
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CSurfaceUpdateSession *iSession; //doesn't own |
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TInt iNumUpdateReceivers; |
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TBool iCompleteWithSuccess; |
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TInt iHighestPriority; //attributed to successful notification |
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TUint32 iTimeStamp; //attributed to successful notification |
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}; |
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|
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/** |
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Maintain the channel between clients and the server. |
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Functions are provided will respond appropriately to client messages. |
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*/ |
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class CSurfaceUpdateSession : public CSession2 |
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{ |
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public: |
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CSurfaceUpdateSession(const RPointerArray<TUpdateReceiverPriorityEntry>& aReceiverEntryList); |
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~CSurfaceUpdateSession(); |
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void SubmitUpdate(const RMessage2& aMessage); |
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void NotifyWhenAvailable(const RMessage2& aMessage); |
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void NotifyWhenDisplayed(const RMessage2& aMessage); |
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void NotifyWhenDisplayedXTimes(const RMessage2& aMessage); |
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void CancelAllUpdateNotifications(); |
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protected: |
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void DoSubmitUpdateL(const RMessage2& aMessage); |
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void StoreNotification(CUpdateReceiverNotificationBatch*& aNotifier, const RMessage2& aMessage, TNotificationType aType); |
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virtual void ServiceL(const RMessage2& aMessage); |
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void PanicClient(const RMessage2& aMessage, TInt aPanic) const; |
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CUpdateReceiverNotificationBatch* UpdateReceiverNotificationBatchL(); |
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void IssueRequestComplete(TInt aErr); |
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void DispatchUpdate(const TSurfaceId& aSurfaceId, TInt aBuffer, RRegion* aRegion, TInt* aDisplayedXTimes, MCompositionSurfaceUpdate* aReceiver = NULL ); |
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#ifdef TEST_SURFACE_UPDATE |
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void SetHeapFailure(const RMessage2& aMessage); |
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#endif |
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private: |
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RPointerArray<CUpdateReceiverNotificationBatch> iUpdateReceiverNotificationBatches; |
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CUpdateReceiverNotificationBatch* iAvailable; |
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CUpdateReceiverNotificationBatch* iDisplayed; |
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CUpdateReceiverNotificationBatch* iDisplayedXTimes; |
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const RPointerArray<TUpdateReceiverPriorityEntry>& iUpdateReceiverEntryList; //doesn't own |
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enum |
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{ |
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EUpdateMethodNone, |
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EUpdateMethodPerScreen, |
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EUpdateMethodGlobal, |
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} iUpdateMethod; |
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}; |
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|
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inline const RPointerArray<TUpdateReceiverPriorityEntry>& CSurfaceUpdateServer::UpdateReceiverPriority() const |
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{ |
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return iUpdateReceiverPriorityOrder; |
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} |
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|
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#endif |