1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmlibs/mmfw/src/Plugin/StdSourceAndSink/FileAccess.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,151 @@
1.4 +// Copyright (c) 2004-2009 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 +//
1.18 +
1.19 +#ifndef __FILE_ACCESS_H__
1.20 +#define __FILE_ACCESS_H__
1.21 +
1.22 +#include <caf/content.h>
1.23 +#include <caf/data.h>
1.24 +#include <mmf/common/mmcaf.h>
1.25 +
1.26 +// Abstract class providing generic file access
1.27 +class MGenericFile
1.28 + {
1.29 +public:
1.30 + virtual ~MGenericFile();
1.31 +
1.32 + virtual TInt Seek(TSeek aSeekMode, TInt aPosition)=0;
1.33 + virtual TInt Read(TDes8& aDes,TInt aLength)=0;
1.34 + virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus)=0;
1.35 +
1.36 + virtual TInt Write(const TDesC8& aDes,TInt aLength)=0;
1.37 + virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus)=0;
1.38 +
1.39 + virtual TInt Size(TInt& aSize)=0;
1.40 + virtual TInt SetSize(TInt aSize)=0;
1.41 +
1.42 + virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const = 0;
1.43 + virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent) = 0;
1.44 + virtual TBool IsProtected()const = 0;
1.45 +
1.46 + // legacy file support - better to use Data()
1.47 + virtual RFile& FileL()=0;
1.48 +
1.49 + virtual TInt SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) = 0;
1.50 +
1.51 + virtual TInt Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus) = 0;
1.52 + // access to CData
1.53 + virtual TInt Data(ContentAccess::CData*& aData) = 0;
1.54 +
1.55 + };
1.56 +
1.57 +// Provide RFile based file access - only now used for recording
1.58 +class CF32File : public CBase, public MGenericFile
1.59 + {
1.60 +public:
1.61 + static CF32File* NewL(RFs& aSession, TDesC& aPath, TUint aMode);
1.62 + static CF32File* NewL(RFile& aFile);
1.63 + void ConstructL(RFile& aFile);
1.64 + void ConstructL(RFs& aSession, TDesC& aPath, TUint aMode);
1.65 +
1.66 + virtual ~CF32File();
1.67 +
1.68 + // from MGenericFile
1.69 + virtual TInt Seek(TSeek aSeekMode, TInt aPosition);
1.70 + virtual TInt Read(TDes8& aDes,TInt aLength);
1.71 + virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
1.72 + virtual TInt Write(const TDesC8& aDes,TInt aLength);
1.73 + virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus);
1.74 + virtual TInt Size(TInt& aSize);
1.75 + virtual TInt SetSize(TInt aSize);
1.76 + virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const;
1.77 + virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent);
1.78 + virtual TBool IsProtected() const;
1.79 + virtual RFile& FileL();
1.80 +
1.81 + virtual TInt SetAgentProperty(ContentAccess::TAgentProperty, TInt aValue);
1.82 +
1.83 + virtual TInt Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
1.84 + virtual TInt Data(ContentAccess::CData*& aData);
1.85 +private:
1.86 + CF32File();
1.87 +
1.88 +private:
1.89 + RFs* iSession; // not owned
1.90 + HBufC* iFilePath;
1.91 + RFile iFile;
1.92 +
1.93 + TBool iFileHandle;
1.94 + TInt iFileSize;
1.95 + };
1.96 +
1.97 +// Provides content access framework based file access
1.98 +class CContentFile : public CBase, public MGenericFile
1.99 + {
1.100 +public:
1.101 + static CContentFile* NewL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI);
1.102 + void ConstructL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI);
1.103 +
1.104 + static CContentFile* NewL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI);
1.105 + void ConstructL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI);
1.106 +
1.107 + virtual ~CContentFile();
1.108 +
1.109 + // from MGenericFile
1.110 + virtual TInt Seek(TSeek aSeekMode, TInt aPosition);
1.111 + virtual TInt Read(TDes8& aDes,TInt aLength);
1.112 + virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
1.113 + virtual TInt Write(const TDesC8& aDes,TInt aLength);
1.114 + virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus);
1.115 + virtual TInt Size(TInt& aSize);
1.116 + virtual TInt SetSize(TInt aSize);
1.117 + virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const;
1.118 + virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent);
1.119 + virtual TBool IsProtected() const;
1.120 + virtual RFile& FileL();
1.121 +
1.122 + virtual TInt SetAgentProperty(ContentAccess::TAgentProperty, TInt aValue);
1.123 + virtual TInt Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
1.124 + virtual TInt Data(ContentAccess::CData*& aData);
1.125 +
1.126 +
1.127 +private:
1.128 + CContentFile();
1.129 +
1.130 +
1.131 +private:
1.132 + RFs* iSession; // not owned
1.133 + HBufC* iFilePath;
1.134 + ContentAccess::CData* iData;
1.135 +
1.136 + RFile iLegacyFile;
1.137 + RFile64 iFile64; //For defect EASA-84ZC6J
1.138 + TBool iLegacyFileOpen;
1.139 + };
1.140 +
1.141 +
1.142 +inline CF32File::CF32File()
1.143 + {
1.144 + }
1.145 +
1.146 +inline CContentFile::CContentFile()
1.147 + {
1.148 + }
1.149 +
1.150 +inline MGenericFile::~MGenericFile()
1.151 + {
1.152 + }
1.153 +
1.154 +#endif //__FILE_ACCESS_H__