--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/mce/logenginc/MceLogEngineReader.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,129 @@
+/*
+* Copyright (c) 2002 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:  
+*     Messaging Centre application's engine class that reads events from
+*     log DB.
+*
+*/
+
+
+
+#ifndef __Mce_Engine_CMceLogEngineReader_H__
+#define __Mce_Engine_CMceLogEngineReader_H__
+
+// INCLUDES
+#include <e32base.h>
+#include <f32file.h>
+#include <logviewchangeobserver.h>
+#include "MceLogEngine.h"
+#include "MceLogEngine.hrh"
+
+
+// FORWARD DECLARATIONS
+class CLogClient;
+class CLogViewEvent;
+class CMceLogEngine;
+
+// CLASS DECLARATION
+
+/**
+ * Implements the functionality to read log events from DB.
+ */
+class CMceLogEngineReader : public CActive, public MLogViewChangeObserver
+    {
+    public:
+        /**
+         * Standard creation function.
+         *
+         * @param aObserver     Pointer to observer.
+         * @return pointer to CMceLogEngineReader instance.
+         */
+        static CMceLogEngineReader* NewL(CMceLogEngine* aObserver);
+
+        /**
+         * Destructor. 
+         */
+        ~CMceLogEngineReader();
+
+        /**
+         * Starts reading the entries from log database.
+         *
+         * @param aFirstime If ETrue reading is started from setting the filter.
+         */
+        void StartReadingL();
+
+        /**
+         * Clear DR list
+         *
+         */
+        void ClearDrListL();
+
+    private:
+        /**
+         * Second phase of construction.
+         */
+        void ConstructL();
+
+        /**
+         * Default constructor.
+         */
+        CMceLogEngineReader();
+
+        /**
+         * Constructor.
+         *
+         * @param aObserver     Pointer to observer.
+         */
+        CMceLogEngineReader( CMceLogEngine* aObserver );
+
+        /**
+         * Set filters to fetch only events of certain type.
+         */
+        void SetSpecialFilterL();
+
+        
+    private: // From CActive
+        void DoCancel();
+        void RunL();
+        TInt RunError(TInt aError);
+
+    public: // from MLogViewChangeObserver
+        void HandleLogViewChangeEventAddedL(TLogId aId,   TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
+        void HandleLogViewChangeEventChangedL(TLogId aId,   TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
+        void HandleLogViewChangeEventDeletedL(TLogId aId,   TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);
+        
+    private: // data
+        /// Ref: Logs's engine
+        CMceLogEngine* iObserver;
+        /// Own: File server session
+        RFs iFsSession;
+        /// Own: Log engine
+        CLogClient* iLogClient;
+        /// Own: View to filtered events.
+        CLogViewEvent* iLogViewEvent; 
+        /// Own: Reader's state
+        TMceLogEngineReaderState iReaderState;
+        /// Own: Filterlist
+        CLogFilterList* iFilterList;
+        /// Own: How many events has been read.
+        TInt iEventCounter;
+        /// Own: Indicator if observer's array was reset
+        TBool   iArrayReset;
+        /// Own: Amount of event in view
+        TInt iEventsInView;
+    };
+
+#endif // __Mce_Engine_CMceLogEngineReader_H__
+
+// End of file