1 // Copyright (c) 1999-2009 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 // Window server client side local header file

    15 // 

    16 //

    17 

    18 #ifndef __CLIENT_H__

    19 #define __CLIENT_H__

    20 

    21 #if defined(_DEBUG) && defined(__WINS__)

    22 //#define __AUTO_FLUSH		//Define this for test purposes only, it hard codes auto flushing

    23 #endif

    24 

    25 /** Panics the client. This will result in the client thread being destroyed. */ 

    26 GLREF_C void Panic(TW32Panic aPanic); 

    27 GLREF_C void Assert(TW32Assert aPanic); 

    28 

    29 class TReadDescriptorType;

    30 class TWriteDescriptorType;

    31 

    32 class RWsBuffer

    33 	{

    34 	friend class RWsSession;

    35 public:

    36 	enum bufferSizes

    37 		{

    38 		EDefBufferSize=EClientBufferSize,

    39 		EMinBufferSize=EClientBufferSize,

    40 		EMaxBufferSize=EClientBufferMaxSize

    41 		};

    42 public:

    43 	RWsBuffer(RWsSession *aSession);

    44 	void Close();

    45 	void Destroy();

    46 	TInt Open();

    47 	TInt Connect(TUint32 handle);

    48 	TInt WriteReplyWs(TUint opcode);

    49 	TInt WriteReplyWs(const TAny *pData, TInt length,TUint opcode);

    50 	TInt WriteReplyWs(const TAny *pData, TInt length, const TAny *pData2, TInt length2, TUint opcode);

    51 	void SetBufferSizeL(TInt aBufSize);

    52 	void SetMaxBufferSizeL(TInt aMaxBufSize);

    53 	TInt Flush(const TIpcArgs* aIpcArgs=NULL,TBool aRequestFinish=EFalse);

    54 	TBool SetAutoFlush(TBool aState);

    55 	void Write(TInt handle,TUint opcode,const TAny *pData, TInt length,const TAny *pData2, TInt length2);

    56 	void Write(TInt handle,TUint opcode,const TAny *buf, TInt bufLen);

    57 	void Write(TInt handle,TUint opcode);

    58 	TInt WriteReply(TInt handle,TUint opcode, const TIpcArgs* aIpcArgs=NULL);

    59 	TInt WriteReply(TInt handle,TUint opcode,const TAny *buf, TInt bufLen, const TIpcArgs* aIpcArgs=NULL);

    60 	TInt WriteReply(TInt handle,TUint opcode,const TAny *buf, TInt bufLen,const TAny *buf2, TInt buflen2, const TIpcArgs* aIpcArgs=NULL);

    61 	TInt WriteReplyP(TInt aHandle,TUint aOpcode,const TWriteDescriptorType& aReplyBuffer);

    62 	TInt WriteReplyP(TInt aHandle,TUint aOpcode,const TAny *aData,TInt aLength,const TWriteDescriptorType& aReplyBuffer);

    63 	TInt WriteReplyP(TInt aHandle,TUint aOpcode,const TAny *aData1,TInt aLengthData1,const TAny *aData2,TInt aLengthData2,const TWriteDescriptorType& aReplyBuffer);

    64 	TInt WriteReplyByProvidingRemoteReadAccess(TInt aHandle,TUint aOpcode,const TAny *aData, TInt aLength,const TReadDescriptorType& aRemoteReadBuffer);

    65 

    66 	inline TInt BufferSize() const;

    67 	inline TBool IsEmpty() const;

    68 	inline RWsSession* Session() {return iSession;}

    69 	static void FlushAllBuffers(TInt aBitmapHandle);

    70 	void SetCallBack();

    71 	void CancelCallBack();

    72 	void AddToBitmapArray(TInt aBitmapHandle);

    73 	

    74 	void SetWsGraphicManager(CWsGraphic::CManager* aManager);

    75 	static CWsGraphic::CManager* WsGraphicManager();

    76 

    77 private:

    78 	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);

    79 	inline void SetAndLimitMaxBufSize(TInt aMaxBufSize);

    80 	void ReAllocBufferL(TInt aNewSize);

    81 	TBool ReAllocBuffer(TInt aNewSize);

    82 	void GrowBuffer(TInt aRequiredSpace, TInt aMsgSize);

    83 

    84 private:

    85 	RWsSession *iSession;

    86 	CWsGraphic::CManager* iManager;

    87 	TBool iAutoFlush;

    88 	TPtr8 iBuf;

    89 	RWsBuffer *iNext;

    90 	TInt iPreviousHandle;

    91 	TInt iBufSize;				// current buffer size, DoWrite can expand this up to iMaxBufize

    92 	TInt iMaxBufSize;			// maximum buffer size, set by SetBufferSizeL or SetMaxBufferSizeL

    93 private:		//Added here as adding it to RWsSession breaks BC.

    94 	TInt iDirectAcessCount;

    95 	RArray<TInt> iBitmapArray;

    96 	TBool iInvalidBitmapArray;

    97 	};

    98 

    99 inline TInt RWsBuffer::BufferSize() const

   100 	{return(iBuf.MaxLength());}

   101 

   102 inline TBool RWsBuffer::IsEmpty() const

   103 	{return iBuf.Length()==0;}

   104 #endif