logsui/logsengine/logssymbianos/inc/logsremove.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 09:49:12 +0300
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/*
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* Copyright (c) 2009 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:
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*
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*/
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#ifndef LOGSREMOVE_H
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#define LOGSREMOVE_H
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#include <QObject>
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#include <e32base.h>
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#include "logsworker.h"
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#include "logsmodel.h"
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#include "logsremovestatecontext.h"
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// FORWARDS DECLARATIONS
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class CLogClient;
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class RFs;
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class CLogViewRecent;
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// CLASS DECLARATION
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class LogsRemoveObserver;
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/**
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 *	Clearing class.
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 */
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class LogsRemove : public LogsWorker, public LogsRemoveStateContext
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    {
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    public:
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        friend class UT_LogsRemove;
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        /**
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         *  Destructor
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         */
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        ~LogsRemove();
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        LogsRemove( LogsRemoveObserver& observer, bool readingAllEvents = false );
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        /**
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          * Initialize LogsRemove
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          * @return 0 if initialized succesfully
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          */
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        int init();
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        bool clearList(LogsModel::ClearType cleartype);
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        int clearEvents(const QList<int>& eventIds, bool& async);
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    protected: // from CActive
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        TInt RunError(TInt aError);
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    private: // From LogsRemoveStateContext
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        inline LogsRemoveObserver& observer();
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        inline QList<int>& removedEvents();
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        inline int clearType();
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    private:
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        void initL();
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        bool clearListL(LogsModel::ClearType cleartype);
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        void clearEventsL(const QList<int>& eventIds, bool& async);
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        void initializeClearAllL();
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        void initializeIdBasedRemovalL();
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        bool startClearingL();
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    private: // data
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        LogsRemoveObserver& mObserver;
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        QList<int> mRemovedEvents;
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        RFs* mFsSession;
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        int mClearType;
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        QList<LogsStateBase*> mRemoveStates;
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        QList<LogsStateBase*> mClearAllStates;
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    };
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#endif // LOGSREMOVE_H