author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 22:37:30 +0200 | |
branch | RCL_3 |
changeset 8 | e1b6206813b4 |
parent 0 | 8466d47a6819 |
child 11 | 0396474f30f5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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: Container store content manager. |
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* |
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*/ |
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#ifndef __CONTAINER_STORE_CONTENT_MANAGER_H__ |
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#define __CONTAINER_STORE_CONTENT_MANAGER_H__ |
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// ======== |
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// INCLUDES |
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// ======== |
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#include <e32base.h> |
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//<cmail> |
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#include "debuglogmacros.h" |
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//</cmail> |
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#include "ContainerStore.h" |
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// ==================== |
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// FORWARD DECLARATIONS |
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// ==================== |
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class CContainerStoreUtils; |
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class CContainerStoreEncryption; |
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class CBufferedReader; |
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class CBufferedWriter; |
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// ======= |
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// CLASSES |
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// ======= |
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class CContainerStoreContentManager : public CBase |
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{ |
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public: |
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static CContainerStoreContentManager* NewL( CContainerStoreUtils& aUtils, |
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CContainerStoreEncryption& aEncryption ); |
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virtual ~CContainerStoreContentManager(); |
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static void WipeContentFiles( RFs& aFs ); |
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TUint ContentLengthL( TContainerId aId, TBool aIsEncrypted ); |
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void ReplaceContentL( TContainerId aId, |
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const TDesC8& aContent, |
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TBool aIsContentEncrypted ); |
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void ReplaceContentL( TContainerId aId, |
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RFile& aContentFile, |
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TBool aIsContentEncrypted ); |
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void AppendContentL( TContainerId aId, |
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const TDesC8& aContent, |
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TBool aIsContentEncrypted ); |
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void PrependContentL( TContainerId aId, |
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const TDesC8& aContent, |
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TBool aIsContentEncrypted ); |
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void RemoveContentL( TContainerId aId ); |
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// will truncate the content if the content buffer is too small |
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void FetchContentL( TContainerId aId, |
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TDes8& aContent, |
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TBool aIsContentEncrypted, |
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TUint aStartPosition = 0 ); |
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void FetchContentL( TContainerId aId, |
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RFile& aDestinationFile, |
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TBool aIsContentEncrypted ); |
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void OpenContentFileL( TContainerId aId, |
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RFs& aFs, |
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RFile& aFile, |
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TBool aIsContentEncrypted ); |
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void CopyContentL( TContainerId aOldId, |
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TContainerId aNewId ); |
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TBool SearchContentL( TContainerId aContainerId, |
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const TDesC& aSearchString, |
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TDes8& aSearchBuffer, |
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TBool aIsContentEncrypted ); |
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void EncryptL( TContainerId aId ); |
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void DecryptL( TContainerId aId ); |
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void StartCopyTransaction(); |
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void RollbackCopyTransaction(); |
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/** |
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* Transfer the ownership of an external content file to the content |
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* manager. |
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* @param aContentPath path and file name of an existing content file |
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*/ |
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TInt TransferContentFile( |
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TContainerId aId, |
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const TDesC& aContentPath ); |
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private: |
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CContainerStoreContentManager( CContainerStoreUtils& aUtils, |
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CContainerStoreEncryption& aEncryption ); |
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void ConstructL(); |
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void CleanupTemporaryFile(); |
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void CreateContentSubdirectoriesL(); |
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void ContentFilename( TContainerId aId, TDes& aFilename ); |
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void CommitTemporaryFileL( TInt aResult, TContainerId aContainerId ); |
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TBool EncryptAndWriteNextBlockL( CBufferedWriter& aBufferedWriter, |
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const TDesC8& aPlaintextBuffer ); |
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TBool ReadNextBlockL( CBufferedReader& aBufferedReader, |
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TDes8& aPlaintextBlock, |
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TBool aIsContentEncrypted = ETrue ); |
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void UpdateBlockSizeL( TBool isEncrypted ); |
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TInt FindVomitCode( TPtr16& aBody ); |
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private: |
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CContainerStoreUtils& iUtils; |
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CContainerStoreEncryption& iEncryption; |
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RFs& iFs; |
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TFileName iTemporaryFilename; |
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TFileName iEncryptDecryptTempFilename; |
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TInt iBlockSize; |
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//used to store content file ids when copying a message so they can be |
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//rolled back if the transaction fails. |
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RArray<TContainerId> iCopiedContentFiles; |
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__LOG_DECLARATION |
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}; // end CContainerStoreContentManager |
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#endif |