--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/emailstore/message_store/server/inc/ContainerStoreContentManager.h Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,160 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Container store content manager.
+*
+*/
+#ifndef __CONTAINER_STORE_CONTENT_MANAGER_H__
+#define __CONTAINER_STORE_CONTENT_MANAGER_H__
+
+
+
+// ========
+// INCLUDES
+// ========
+
+#include <e32base.h>
+//<cmail>
+#include "DebugLogMacros.h"
+//</cmail>
+
+#include "ContainerStore.h"
+
+// ====================
+// FORWARD DECLARATIONS
+// ====================
+
+class CContainerStoreUtils;
+class CContainerStoreEncryption;
+class CBufferedReader;
+class CBufferedWriter;
+
+// =======
+// CLASSES
+// =======
+
+class CContainerStoreContentManager : public CBase
+ {
+ public:
+
+ static CContainerStoreContentManager* NewL( CContainerStoreUtils& aUtils,
+ CContainerStoreEncryption& aEncryption );
+
+ virtual ~CContainerStoreContentManager();
+
+ static void WipeContentFiles( RFs& aFs );
+
+ TUint ContentLengthL( TContainerId aId, TBool aIsEncrypted );
+
+ void ReplaceContentL( TContainerId aId,
+ const TDesC8& aContent,
+ TBool aIsContentEncrypted );
+
+
+ void ReplaceContentL( TContainerId aId,
+ RFile& aContentFile,
+ TBool aIsContentEncrypted );
+
+ void AppendContentL( TContainerId aId,
+ const TDesC8& aContent,
+ TBool aIsContentEncrypted );
+
+ void PrependContentL( TContainerId aId,
+ const TDesC8& aContent,
+ TBool aIsContentEncrypted );
+
+ void RemoveContentL( TContainerId aId );
+
+ // will truncate the content if the content buffer is too small
+ void FetchContentL( TContainerId aId,
+ TDes8& aContent,
+ TBool aIsContentEncrypted,
+ TUint aStartPosition = 0 );
+
+ void FetchContentL( TContainerId aId,
+ RFile& aDestinationFile,
+ TBool aIsContentEncrypted );
+
+ void OpenContentFileL( TContainerId aId,
+ RFs& aFs,
+ RFile& aFile,
+ TBool aIsContentEncrypted );
+
+
+ void CopyContentL( TContainerId aOldId,
+ TContainerId aNewId );
+
+ TBool SearchContentL( TContainerId aContainerId,
+ const TDesC& aSearchString,
+ TDes8& aSearchBuffer,
+ TBool aIsContentEncrypted );
+
+ void EncryptL( TContainerId aId );
+ void DecryptL( TContainerId aId );
+
+ void StartCopyTransaction();
+ void RollbackCopyTransaction();
+
+ /**
+ * Transfer the ownership of an external content file to the content
+ * manager.
+ * @param aContentPath path and file name of an existing content file
+ */
+ TInt TransferContentFile(
+ TContainerId aId,
+ const TDesC& aContentPath );
+
+
+ private:
+
+ CContainerStoreContentManager( CContainerStoreUtils& aUtils,
+ CContainerStoreEncryption& aEncryption );
+
+ void ConstructL();
+
+ void CleanupTemporaryFile();
+
+ void CreateContentSubdirectoriesL();
+
+ void ContentFilename( TContainerId aId, TDes& aFilename );
+
+ void CommitTemporaryFileL( TInt aResult, TContainerId aContainerId );
+
+ TBool EncryptAndWriteNextBlockL( CBufferedWriter& aBufferedWriter,
+ const TDesC8& aPlaintextBuffer );
+
+ TBool ReadNextBlockL( CBufferedReader& aBufferedReader,
+ TDes8& aPlaintextBlock,
+ TBool aIsContentEncrypted = ETrue );
+
+ void UpdateBlockSizeL( TBool isEncrypted );
+
+ TInt FindVomitCode( TPtr16& aBody );
+
+ private:
+
+ CContainerStoreUtils& iUtils;
+ CContainerStoreEncryption& iEncryption;
+ RFs& iFs;
+ TFileName iTemporaryFilename;
+ TFileName iEncryptDecryptTempFilename;
+ TInt iBlockSize;
+ //used to store content file ids when copying a message so they can be
+ //rolled back if the transaction fails.
+ RArray<TContainerId> iCopiedContentFiles;
+
+ __LOG_DECLARATION
+
+ }; // end CContainerStoreContentManager
+
+#endif