obex/obexprotocol/obex/inc/obexasyncfilewriter.h
changeset 57 f6055a57ae18
parent 0 d0791faffa3f
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54:4dc88a4ac6f4 57:f6055a57ae18
       
     1 // Copyright (c) 2003-2009 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 //
       
    15 
       
    16 /**
       
    17  @file
       
    18  @internalComponent
       
    19 */
       
    20 
       
    21 #ifndef __OBEXASYNCFILEWRITER_H__
       
    22 #define __OBEXASYNCFILEWRITER_H__
       
    23 
       
    24 #include <e32base.h>
       
    25 #include "obexfilewriter.h"
       
    26 
       
    27 class RFile;
       
    28 
       
    29 /** 
       
    30 Obex Asynchronous File Writer.
       
    31 
       
    32 This active object writes data from Obex objects to disk asynchronously.
       
    33 
       
    34 Not intended for derivation.
       
    35 
       
    36 @internalComponent
       
    37 @released
       
    38 */
       
    39 NONSHARABLE_CLASS(CObexAsyncFileWriter) : public CActive, public MObexFileWriter
       
    40 	{
       
    41 public:
       
    42 	// Construction / destruction
       
    43 	static MObexFileWriter* NewL(RFile& aFile);
       
    44 	~CObexAsyncFileWriter();
       
    45 
       
    46 private:
       
    47 	// From MObexFileWriter
       
    48 	TInt Write(TInt aPos, CBufBase*& aBuf);
       
    49 	TInt FinalWrite(TInt aPos, CBufBase*& aBuf, TInt aLength);
       
    50 
       
    51 private:
       
    52 	// From CActive
       
    53 	void DoCancel();
       
    54 	void RunL();
       
    55 
       
    56 private:
       
    57 	// Construction
       
    58 	void ConstructL();
       
    59 	CObexAsyncFileWriter(RFile& aFile);
       
    60 	
       
    61 // Unowned
       
    62 private:
       
    63 	/** Reference to the file which this object is used to write to */
       
    64 	RFile&		iFile;
       
    65 	/** Pointer to the buffer this object is currently writing to file */
       
    66 	CBufBase*	iBuffer;
       
    67 	/** Descriptor for the buffer this object is currently writing to file */
       
    68 	TPtr8		iBufPtr;
       
    69 	};
       
    70 
       
    71 #endif // __OBEXASYNCFILEWRITER_H__