--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvlogger/Src/CCALoggerWriter.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 2003 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:  History file writer class
+*
+*/
+
+
+#ifndef __CCALOGGERWRITER_H__
+#define __CCALOGGERWRITER_H__
+
+//  INCLUDES
+
+#include <f32file.h>
+#include <s32file.h>
+
+#include "MCALoggerWriteInterface.h"
+
+// FORWARD DECLARATIONS
+
+class MCALoggerWriteObserver;
+
+// CLASS DECLARATION
+
+/**
+ *  History file writer class
+ *
+ *  @lib CALogger.dll
+ *  @since 2.1
+ */
+class CCALoggerWriter : public CBase, public MCALoggerWriteInterface
+    {
+    public:
+
+        /**
+         * Destructor.
+         * If logging is still on. Ends it.
+         */
+        virtual ~CCALoggerWriter();
+
+        /**
+         *	Two-phased constructor.
+         *	Leaves if creation of CCALoggerWriter fails.
+         *	Leaves if constructL fails.
+         *	@param aObserver Write observer that will be informed about write
+         *					situations like file add and remove.
+         *	@param aFileSession Open file session for file server utilities.
+         *	@return Instance to CCALoggerWriter
+         */
+        static CCALoggerWriter* NewL(	MCALoggerWriteObserver& aObserver,
+                                      RFs& aFileSession );
+
+    protected:
+
+        /**
+         * C++ default constructor.
+         */
+        CCALoggerWriter( MCALoggerWriteObserver& aObserver, RFs& aFileSession );
+
+    public: // Inherited from MCALoggerWriteInterface.
+        /**
+         * Starts logging. Sets logging on. Informs observer to addfile.
+         *	Leaves with KErrArgument if header is NULL.
+         *	Leaves with KErrInUse if loggins is already on.
+         *	Leaves if MCALoggerWriteObserver::CreateNewFilenameL fails.
+         *	Leaves if MCALoggerMessageHeader::SetFilenameL fails.
+         *	Leaves if MCALoggerWriteObserver::AddFileL fails.
+         *	Leaves if file creation fails.
+         * @since 2.1
+         * @param aFile Header information.
+         */
+        void StartLoggingL( MCALoggerMessageHeader* aFile );
+
+        /**
+         *	Ends logging. Close the file. Informs observer to remove file.
+         *	Sets logging off.
+         *	Leaves if MCALoggerWriteObserver::RemoveFileL fails.
+         *	@since 2.1
+         */
+        void EndLoggingL();
+
+        /**
+         *	Checks if logging is on.
+         *	@since 2.1
+         *	@return ETrue if logging is on. EFalse if logging is off.
+         */
+        TBool IsLoggingOn();
+
+        /**
+         *	Logs message. Logs message if there is enough memory.
+         *	Leaves if memory check fails with KErrDiskFull
+         *	Leaves if logging is not on with KErrNotReady
+         *	Leaves if logging fails.
+         *	@since 2.1
+         *	@param aMessage Message information.
+         */
+        void MakeLogL( MCALoggerMessage& aMessage );
+
+
+    public:
+
+        //fix - refer Ui Spec Approved Version 1.0
+        //(Instant Messaging NG 001 151006.pdf)
+        //Section 10.2.10 Pg 131 -
+        //"In case user has saved the image already or sent it
+        //by himself, this option(save) is not available."
+
+        /**
+         * Note : Please dont delete while merging the wvui20 changes
+         * Relogs the file and saves all the messages
+         * only if the file has become dirty.
+         * New implementation - Used if user saves an image
+         * in saved conversations that info is stored back on
+         * to the file and subsequently we dont allow resaving of the
+         * same image  */
+
+        /**
+         * Starts relogging. Sets logging on.
+         *	Leaves with KErrArgument if header is NULL.
+         *	Leaves with KErrInUse if loggins is already on.
+         *	Leaves if file replacing of file fails.
+         * @since 3.2
+         * @param aFile Header information.
+         */
+        void ReLoggingL( MCALoggerMessageHeader& aFile );
+
+        /**
+         *	Ends Relogging. Close the file.
+         *	Sets logging off.
+         *	@since 3.2
+         */
+        void EndReLogging();
+
+    private: //Data
+
+        /**
+         * Observer for writer.
+         */
+        MCALoggerWriteObserver& iManager;
+
+        /**
+         *	Flag which tells status of log. ETrue, logging is on. EFalse off.
+         */
+        TBool iLoggingOn;
+
+        // handle to the file server
+        RFs& iFileSession;
+
+        // File stream handle
+        RFileWriteStream iFileStream;
+    };
+
+#endif      // __CCALOGGERWRITER_H__
+
+// End of File