| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Tue, 02 Feb 2010 01:08:46 +0200 | |
| changeset 0 | 71ca22bcf22a |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004 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: Progressive Download Utility |
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* |
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*/ |
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#ifndef __FILE_ACCESS_H__ |
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#define __FILE_ACCESS_H__ |
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#include <caf/content.h> |
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#include <caf/data.h> |
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#include <mmf/common/mmcaf.h> |
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// Abstract class providing generic file access |
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class MGenericFile |
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{
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public: |
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virtual ~MGenericFile(); |
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virtual TInt Seek(TSeek aSeekMode, TInt aPosition)=0; |
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virtual TInt Read(TDes8& aDes,TInt aLength)=0; |
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virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus)=0; |
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virtual TInt Write(const TDesC8& aDes,TInt aLength)=0; |
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virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus)=0; |
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virtual TInt Size(TInt& aSize)=0; |
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virtual TInt SetSize(TInt aSize)=0; |
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virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const = 0; |
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virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent) = 0; |
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virtual TBool IsProtected()const = 0; |
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// legacy file support |
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virtual RFile& FileL()=0; |
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virtual TInt SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) = 0; |
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}; |
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// Provide RFile based file access |
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class CF32File : public CBase, public MGenericFile |
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{
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public: |
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static CF32File* NewL(RFs& aSession, TDesC& aPath, TUint aMode); |
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static CF32File* NewL(RFile& aFile); |
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void ConstructL(RFile& aFile); |
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void ConstructL(RFs& aSession, TDesC& aPath, TUint aMode); |
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virtual ~CF32File(); |
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// from MGenericFile |
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virtual TInt Seek(TSeek aSeekMode, TInt aPosition); |
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virtual TInt Read(TDes8& aDes,TInt aLength); |
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virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus); |
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virtual TInt Write(const TDesC8& aDes,TInt aLength); |
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virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus); |
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virtual TInt Size(TInt& aSize); |
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virtual TInt SetSize(TInt aSize); |
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virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const; |
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virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent); |
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virtual TBool IsProtected() const; |
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virtual RFile& FileL(); |
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virtual TInt SetAgentProperty(ContentAccess::TAgentProperty, TInt aValue); |
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private: |
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CF32File(); |
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private: |
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RFs* iSession; // not owned |
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HBufC* iFilePath; |
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RFile iFile; |
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TBool iFileHandle; |
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TInt iFileSize; |
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}; |
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// Provides content access framework based file access |
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class CContentFile : public CBase, public MGenericFile |
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{
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public: |
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static CContentFile* NewL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint aMode); |
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void ConstructL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint aMode); |
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static CContentFile* NewL(RFs& aSession, const TDesC& aPath, TUint aMode); |
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void ConstructL(RFs& aSession, const TDesC& aPath, TUint aMode); |
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static CContentFile* NewL(RFile& aFile, const TDesC& aUniqueId); |
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void ConstructL(RFile& aFile, const TDesC& aUniqueId); |
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111 |
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virtual ~CContentFile(); |
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114 |
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// from MGenericFile |
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virtual TInt Seek(TSeek aSeekMode, TInt aPosition); |
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virtual TInt Read(TDes8& aDes,TInt aLength); |
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virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus); |
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virtual TInt Write(const TDesC8& aDes,TInt aLength); |
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virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus); |
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virtual TInt Size(TInt& aSize); |
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virtual TInt SetSize(TInt aSize); |
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virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const; |
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virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent); |
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virtual TBool IsProtected() const; |
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virtual RFile& FileL(); |
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128 |
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virtual TInt SetAgentProperty(ContentAccess::TAgentProperty, TInt aValue); |
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private: |
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CContentFile(); |
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134 |
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135 |
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private: |
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RFs* iSession; // not owned |
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HBufC* iFilePath; |
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ContentAccess::CContent* iContent; |
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ContentAccess::CData* iData; |
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RFile iLegacyFile; |
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TBool iLegacyFileOpen; |
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}; |
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inline CF32File::CF32File() |
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{
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} |
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inline CContentFile::CContentFile() |
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{
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} |
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inline MGenericFile::~MGenericFile() |
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{
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} |
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#endif //__FILE_ACCESS_H__ |