1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nonnga/SERVER/Direct.H Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,183 @@
1.4 +// Copyright (c) 2000-2009 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 +// Definition of Direct Screen Access class
1.18 +//
1.19 +//
1.20 +
1.21 +#ifndef __DIRECT_H__
1.22 +#define __DIRECT_H__
1.23 +
1.24 +#include <e32std.h>
1.25 +#include <e32base.h>
1.26 +#include <w32std.h>
1.27 +#include "w32cmd.h"
1.28 +#include "OBJECT.H"
1.29 +#include "CLIENT.H"
1.30 +#include <e32msgqueue.h>
1.31 +
1.32 +class CWsClientWindow;
1.33 +class CWsDirectScreenAccess;
1.34 +class CDsaMsgQueue;
1.35 +
1.36 +NONSHARABLE_CLASS(CWsAbortDirect) : public CActive
1.37 + {
1.38 +public:
1.39 + CWsAbortDirect(CWsDirectScreenAccess* aDirect,CDsaMsgQueue* aParent);
1.40 + ~CWsAbortDirect();
1.41 + void Started();
1.42 + void Complete(TInt aReason);
1.43 +private:
1.44 + //Pure virtual function from CActive
1.45 + void RunL();
1.46 + void DoCancel();
1.47 +private:
1.48 + CWsDirectScreenAccess* iDirect;
1.49 + CDsaMsgQueue* iParent;
1.50 + };
1.51 +
1.52 +NONSHARABLE_CLASS(CDsaMsgQueue) : public CBase
1.53 +{
1.54 + public:
1.55 + static CDsaMsgQueue* NewL(CWsDirectScreenAccess* aDirect);
1.56 + ~CDsaMsgQueue();
1.57 + TInt CreateSendQueue();
1.58 + TInt CreateRecQueue();
1.59 + RMsgQueueBase* SendQueue();
1.60 + RMsgQueueBase* RecQueue();
1.61 + void Cancel();
1.62 + void Complete();
1.63 + void CompleteAbort();
1.64 + void Started();
1.65 + TInt Send(TInt aData);
1.66 + TInt ReceiveData();
1.67 + TRequestStatus& Status()
1.68 + {
1.69 + return iAborted->iStatus;
1.70 + }
1.71 +
1.72 + private:
1.73 + CDsaMsgQueue();
1.74 + void ConstructL(CWsDirectScreenAccess* aDirect);
1.75 + private:
1.76 + RMsgQueueBase iSendQueue;
1.77 + RMsgQueueBase iRecQueue;
1.78 + CWsAbortDirect* iAborted;
1.79 + };
1.80 +
1.81 +class CWsDirectScreenAccess : public CWsScreenObject
1.82 + {
1.83 +public:
1.84 + enum TStatus
1.85 + {
1.86 + EDirectStatusTimeNotCreated,
1.87 + EDirectStatusNone,
1.88 + EDirectStatusInitialising,
1.89 + EDirectStatusRunning,
1.90 + EDirectStatusCompleted,
1.91 + EDirectStatusCanceling,
1.92 + EDirectStatusAbortedWindow,
1.93 + EDirectStatusAbortedGlobal,
1.94 + EDirectStatusAborted=EDirectStatusAbortedWindow,
1.95 + };
1.96 +public:
1.97 + static CWsDirectScreenAccess* NewL(CWsClient* aOwner);
1.98 + ~CWsDirectScreenAccess();
1.99 + void Request(TInt handle);
1.100 + void GetRegion(TInt aNumRects);
1.101 + void Cancel();
1.102 + void Aborted();
1.103 + void AbortNow();
1.104 + TInt GetSendQueue();
1.105 + TInt GetRecQueue();
1.106 + void SignalAbort(RDirectScreenAccess::TTerminationReasons aReason);
1.107 + inline TRequestStatus& AbortStatus() {return iMsgQueue->Status();}
1.108 + void CancelAbortObject();
1.109 + void Abort();
1.110 + //Pure virtual function from CWsObject
1.111 + void CommandL(TInt aOpcode, const TAny* aCmdData);
1.112 + inline TBool IsVisible() const;
1.113 + TBool IsAbortRequired(const TRegion& aTopVisibleRegion) const;
1.114 + inline RWsRegion& VisibleRegion();
1.115 + inline CWsClientWindow* ClientWindow() const;
1.116 +public:
1.117 + TSglQueLink iLink;
1.118 + TSglQueLink iMultipleDSALink;
1.119 + TSglQueLink iAbortLink; // Used to build a list of DSA objects that need to be aborted on a specific window
1.120 +private:
1.121 + inline CWsDirectScreenAccess(CWsClient* aOwner): CWsScreenObject(aOwner,WS_HANDLE_DIRECT, aOwner->Screen()) {}
1.122 + void ConstructL();
1.123 + void Initiate();
1.124 + void Terminate1();
1.125 + void Terminate2();
1.126 + void CorrectScreen();
1.127 +#if defined(_DEBUG)
1.128 + TBool OnQueue();
1.129 +#endif
1.130 +private:
1.131 + CWsClientWindow* iWin;
1.132 + RWsRegion iVisible;
1.133 + CDsaMsgQueue* iMsgQueue;
1.134 + TStatus iStatus;
1.135 + RDirectScreenAccess::TTerminationReasons iAbortReason;
1.136 +public:
1.137 + TBool IsSyncTimeoutPending() const;
1.138 + inline RRegion& RegionUnderSync();
1.139 +public:
1.140 + class CDSARegionSyncTimer : public CTimer
1.141 + {
1.142 +
1.143 + public:
1.144 + enum TConsts
1.145 + {
1.146 + KRegionSyncTimeoutMicrosec = 100000 // 0.1 sec
1.147 + };
1.148 +
1.149 + public:
1.150 + static CDSARegionSyncTimer* NewL(CWsDirectScreenAccess& aDSA);
1.151 +
1.152 + private:
1.153 + void RunL();
1.154 + CDSARegionSyncTimer(CWsDirectScreenAccess& aDSA);
1.155 +
1.156 + private:
1.157 + CWsDirectScreenAccess& iDSA;
1.158 + };
1.159 +
1.160 +private:
1.161 + void DeleteRegionSyncWatchcat();
1.162 + void CancelFrozenRegion();
1.163 + void RegionSyncTimeout();
1.164 +
1.165 +private:
1.166 + CDSARegionSyncTimer* iRegionSync;
1.167 + RRegion iFrozenRegion;
1.168 +
1.169 + friend class CWsDirectScreenAccess::CDSARegionSyncTimer;
1.170 + };
1.171 +
1.172 +inline TBool CWsDirectScreenAccess::IsVisible() const
1.173 + {
1.174 + return !iVisible.IsEmpty();
1.175 + }
1.176 +
1.177 +inline CWsClientWindow* CWsDirectScreenAccess::ClientWindow() const
1.178 + {
1.179 + return iWin;
1.180 + }
1.181 +
1.182 +inline RRegion& CWsDirectScreenAccess::RegionUnderSync()
1.183 + {
1.184 + return iFrozenRegion;
1.185 + }
1.186 +#endif