1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nga/CLIENT/CLIENT.H Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,193 @@
1.4 +// Copyright (c) 1999-2010 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 +// Window server client side local header file
1.18 +//
1.19 +//
1.20 +
1.21 +#ifndef __CLIENT_H__
1.22 +#define __CLIENT_H__
1.23 +
1.24 +#include <e32hashtab.h>
1.25 +
1.26 +#if defined(_DEBUG) && defined(__WINS__)
1.27 +//#define __AUTO_FLUSH //Define this for test purposes only, it hard codes auto flushing
1.28 +#endif
1.29 +
1.30 +/** Panics the client. This will result in the client thread being destroyed. */
1.31 +GLREF_C void Panic(TW32Panic aPanic);
1.32 +GLREF_C void Assert(TW32Assert aPanic);
1.33 +
1.34 +class TReadDescriptorType;
1.35 +class TWriteDescriptorType;
1.36 +
1.37 +class RWsBuffer
1.38 + {
1.39 + friend class RWsSession;
1.40 +public:
1.41 + enum bufferSizes
1.42 + {
1.43 + EDefBufferSize=EClientBufferSize,
1.44 + EMinBufferSize=EClientBufferSize,
1.45 + EMaxBufferSize=EClientBufferMaxSize
1.46 + };
1.47 +public:
1.48 + RWsBuffer(RWsSession *aSession);
1.49 + void Close();
1.50 + void Destroy();
1.51 + TInt Open();
1.52 + TInt Connect(TUint32 handle);
1.53 + TInt WriteReplyWs(TUint opcode);
1.54 + TInt WriteReplyWs(const TAny *pData, TInt length,TUint opcode);
1.55 + TInt WriteReplyWs(const TAny *pData, TInt length, const TAny *pData2, TInt length2, TUint opcode);
1.56 + void SetBufferSizeL(TInt aBufSize);
1.57 + void SetMaxBufferSizeL(TInt aMaxBufSize);
1.58 + TInt Flush(const TIpcArgs* aIpcArgs=NULL,TBool aRequestFinish=EFalse);
1.59 + TBool SetAutoFlush(TBool aState);
1.60 + void Write(TInt aHandle, TUint aOpcode, const TAny *aData, TInt aLength, const TAny *aData2, TInt aLength2, const TIpcArgs* aIpcArgs=NULL);
1.61 + void Write(TInt aHandle, TUint aOpcode, const TAny *aData, TInt aLength, const TIpcArgs* aIpcArgs=NULL);
1.62 + void Write(TInt handle,TUint opcode);
1.63 + void AppendData(const TAny *aData, TInt aLength, TBool aFinished);
1.64 + TInt WriteReply(TInt handle,TUint opcode, const TIpcArgs* aIpcArgs=NULL);
1.65 + TInt WriteReply(TInt handle,TUint opcode,const TAny *buf, TInt bufLen, const TIpcArgs* aIpcArgs=NULL);
1.66 + TInt WriteReply(TInt handle,TUint opcode,const TAny *buf, TInt bufLen,const TAny *buf2, TInt buflen2, const TIpcArgs* aIpcArgs=NULL);
1.67 + TInt WriteReplyP(TInt aHandle,TUint aOpcode,const TWriteDescriptorType& aReplyBuffer);
1.68 + TInt WriteReplyP(TInt aHandle,TUint aOpcode,const TAny *aData,TInt aLength,const TWriteDescriptorType& aReplyBuffer);
1.69 + TInt WriteReplyP(TInt aHandle,TUint aOpcode,const TAny *aData1,TInt aLengthData1,const TAny *aData2,TInt aLengthData2,const TWriteDescriptorType& aReplyBuffer);
1.70 + TInt WriteReplyByProvidingRemoteReadAccess(TInt aHandle,TUint aOpcode,const TAny *aData, TInt aLength,const TReadDescriptorType& aRemoteReadBuffer);
1.71 +
1.72 + inline TInt BufferSize() const;
1.73 + inline TBool IsEmpty() const;
1.74 + inline RWsSession* Session() {return iSession;}
1.75 + static void FlushAllBuffers(TInt aBitmapHandle);
1.76 + void SetCallBack();
1.77 + void CancelCallBack();
1.78 + void AddToBitmapArray(TInt aBitmapHandle);
1.79 +
1.80 + void SetWsGraphicManager(CWsGraphic::CManager* aManager);
1.81 + static CWsGraphic::CManager* WsGraphicManager();
1.82 +
1.83 + void AsyncRequest(TInt aHandle, TUint aOpcode, TRequestStatus& aStatus);
1.84 +
1.85 + void EnableWindowSizeCacheL();
1.86 + inline TBool WindowSizeCacheEnabled() const;
1.87 + inline void MarkWindowSizeCacheDirty(TInt aHandle);
1.88 + inline void RefreshWindowSizeCache(TInt aHandle, const TSize& aNewSize);
1.89 + inline TInt CachedWindowSize(TInt aHandle, TSize& aSize);
1.90 + inline void DestroyWindowSizeCacheEntry(TInt aHandle);
1.91 +
1.92 +private:
1.93 + TInt DoWrite(TInt aHandle, TUint aOpcode, TBool aFlush, const TIpcArgs* aIpcArgs, const TAny* aData1=NULL, TInt aLength1=0, const TAny* aData2=NULL, TInt aLength2=0);
1.94 + inline void SetAndLimitMaxBufSize(TInt aMaxBufSize);
1.95 + void ReAllocBufferL(TInt aNewSize);
1.96 + TBool ReAllocBuffer(TInt aNewSize);
1.97 + void GrowBuffer(TInt aRequiredSpace, TInt aMsgSize);
1.98 +
1.99 +private:
1.100 + RWsSession *iSession;
1.101 + CWsGraphic::CManager* iManager;
1.102 + TBool iAutoFlush;
1.103 + TPtr8 iBuf;
1.104 + RWsBuffer *iNext;
1.105 + TInt iPreviousHandle;
1.106 + TInt iBufSize; // current buffer size, DoWrite can expand this up to iMaxBufize
1.107 + TInt iMaxBufSize; // maximum buffer size, set by SetBufferSizeL or SetMaxBufferSizeL
1.108 +#if defined(_DEBUG)
1.109 + TInt iAppendDataLength;
1.110 +#endif
1.111 +private: //Added here as adding it to RWsSession breaks BC.
1.112 + TInt iDirectAcessCount;
1.113 + RArray<TInt> iBitmapArray;
1.114 + TBool iInvalidBitmapArray;
1.115 +
1.116 + class TWindowSizeCacheEntry
1.117 + {
1.118 + public:
1.119 + inline TWindowSizeCacheEntry(const TSize& aSize);
1.120 + public:
1.121 + TSize iSize;
1.122 + TBool iDirty;
1.123 + };
1.124 +
1.125 + RHashMap<TInt, TWindowSizeCacheEntry>* iWindowSizeCache;
1.126 + };
1.127 +
1.128 +
1.129 +inline TInt RWsBuffer::BufferSize() const
1.130 + {return(iBuf.MaxLength());}
1.131 +
1.132 +inline TBool RWsBuffer::IsEmpty() const
1.133 + {return iBuf.Length()==0;}
1.134 +
1.135 +inline RWsBuffer::TWindowSizeCacheEntry::TWindowSizeCacheEntry(const TSize& aSize)
1.136 + : iSize(aSize), iDirty(EFalse)
1.137 + {
1.138 + }
1.139 +
1.140 +inline TBool RWsBuffer::WindowSizeCacheEnabled() const
1.141 + {
1.142 + return iWindowSizeCache ? ETrue : EFalse;
1.143 + }
1.144 +
1.145 +inline void RWsBuffer::MarkWindowSizeCacheDirty(TInt aHandle)
1.146 + {
1.147 + __ASSERT_ALWAYS(iWindowSizeCache != NULL, Assert(EW32AssertWindowSizeCacheFailure));
1.148 + RWsBuffer::TWindowSizeCacheEntry* entry = iWindowSizeCache->Find(aHandle);
1.149 + if (entry != NULL)
1.150 + {
1.151 + entry->iDirty = ETrue;
1.152 + }
1.153 + }
1.154 +
1.155 +inline void RWsBuffer::RefreshWindowSizeCache(TInt aHandle, const TSize& aNewSize)
1.156 + {
1.157 + __ASSERT_ALWAYS(iWindowSizeCache != NULL, Assert(EW32AssertWindowSizeCacheFailure));
1.158 + RWsBuffer::TWindowSizeCacheEntry* entry = iWindowSizeCache->Find(aHandle);
1.159 + if (entry == NULL)
1.160 + {
1.161 + iWindowSizeCache->Insert(aHandle, RWsBuffer::TWindowSizeCacheEntry(aNewSize));
1.162 + }
1.163 + else
1.164 + {
1.165 + entry->iSize = aNewSize;
1.166 + entry->iDirty = EFalse;
1.167 + }
1.168 + }
1.169 +
1.170 +inline TInt RWsBuffer::CachedWindowSize(TInt aHandle, TSize& aSize)
1.171 + {
1.172 + __ASSERT_ALWAYS(iWindowSizeCache != NULL, Assert(EW32AssertWindowSizeCacheFailure));
1.173 + RWsBuffer::TWindowSizeCacheEntry* entry = iWindowSizeCache->Find(aHandle);
1.174 + if ( entry && !(entry->iDirty) )
1.175 + {
1.176 + aSize = entry->iSize;
1.177 + return KErrNone;
1.178 + }
1.179 + else
1.180 + {
1.181 + // return KErrNotFound when either entry not found for aHandle, or entry is dirty
1.182 + return KErrNotFound;
1.183 + }
1.184 + }
1.185 +
1.186 +inline void RWsBuffer::DestroyWindowSizeCacheEntry(TInt aHandle)
1.187 + {
1.188 + __ASSERT_ALWAYS(iWindowSizeCache != NULL, Assert(EW32AssertWindowSizeCacheFailure));
1.189 + TInt err = iWindowSizeCache->Remove(aHandle);
1.190 + // If there is a window size cache entry, then err == KErrNone.
1.191 + // Otherwise, there isn't a size cache entry, and err == KErrNotFound.
1.192 + __ASSERT_DEBUG(err == KErrNone || err == KErrNotFound, Assert(EW32AssertWindowSizeCacheFailure));
1.193 + }
1.194 +
1.195 +
1.196 +#endif