author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 18 Aug 2010 10:48:20 +0300 | |
changeset 75 | 809df41c314e |
parent 35 | 9d8b04ca6939 |
permissions | -rw-r--r-- |
35 | 1 |
// Copyright (c) 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: CFileSystemImage implementation |
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// |
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// |
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#include "filesystemimage.h" |
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#include "debug.h" |
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const TInt KImageFileMode = EFileShareReadersOnly | EFileRead; |
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CFileSystemImage::CFileSystemImage() : |
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iIsOpened( EFalse ) |
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{ |
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// No implementation required |
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} |
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CFileSystemImage::~CFileSystemImage() |
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{ |
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// iFile will be closed with the session if it's still open |
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iFs.Close(); |
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delete iFileName; |
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} |
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CFileSystemImage* CFileSystemImage::NewL( const TDesC& aFileName ) |
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{ |
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CFileSystemImage* self = new (ELeave) CFileSystemImage(); |
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CleanupStack::PushL( self ); |
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self->ConstructL( aFileName ); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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void CFileSystemImage::ConstructL( const TDesC& aFileName ) |
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{ |
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TRACE_FUNC |
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User::LeaveIfError( iFs.Connect() ); |
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iFileName = aFileName.AllocL(); |
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TRACE_INFO(( _L( "Image file is '%S'" ), iFileName )) |
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} |
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TInt CFileSystemImage::Open() |
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{ |
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TRACE_FUNC |
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if ( iIsOpened ) |
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{ |
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TRACE_INFO(( _L( "Image already opened" ) )) |
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return KErrNone; |
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} |
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TInt err = iFile.Open( iFs, *iFileName, KImageFileMode ); |
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if ( err == KErrNone ) |
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{ |
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iIsOpened = ETrue; |
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} |
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TRACE_INFO(( _L( "Image opened with error %d" ), err )) |
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return err; |
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} |
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TInt CFileSystemImage::Close() |
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{ |
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if ( iIsOpened ) |
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{ |
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iFile.Close(); |
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iIsOpened = EFalse; |
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} |
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return KErrNone; |
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} |
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TInt CFileSystemImage::Read( const TInt64& aPos, TInt aLength, TDes8& aBuf ) |
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{ |
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return iFile.Read( aPos, aBuf, aLength ); |
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} |
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TInt CFileSystemImage::Write( const TInt64& /*aPos*/, TDesC8& /*aBuf*/ ) |
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{ |
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return KErrAccessDenied; |
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} |
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TInt64 CFileSystemImage::Size() |
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{ |
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75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
35
diff
changeset
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TInt size = 0; |
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iFile.Size( size ); |
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return size; |
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} |