messagingappbase/mce/inc/MceUtilsIdleClass.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 13 Oct 2010 14:27:34 +0300
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/*
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* Copyright (c) 2002 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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*   Active object to count messages background for mainview.
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*
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*/
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#ifndef MCEUTILSIDLECLASS_H
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#define MCEUTILSIDLECLASS_H
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//  INCLUDES
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#include <e32base.h>
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#include <bldvariant.hrh>
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// FORWARD DECLARATIONS
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// CLASS DECLARATION
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class MMceUtilsIdleClassObserver
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    {
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    public:
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    /**
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    * return ETrue if wanted to be called again
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    * EFalse if operation is ended.
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    */
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    virtual TBool MMceUtilsIdleClassStepL() = 0;
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    };
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/**
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*  CMceUtilsIdleClass
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*
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*
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*/
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class CMceUtilsIdleClass : public CActive
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    {
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    public:  // Constructors and destructor
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        /**
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        *
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        */
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        static CMceUtilsIdleClass* NewL(
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            MMceUtilsIdleClassObserver& aObserver );
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        /**
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        * Destructor.
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        */
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        virtual ~CMceUtilsIdleClass();
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    public: // New functions
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        /**
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        * Starts
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        */
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        void StartL();
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        /**
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        * Complete synchronously. 
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        */
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        void ForceFinishL();
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    private:  // Functions from CActive
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        /**
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        * From CActive
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        */
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        virtual void DoCancel();
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        /**
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        * From CActive
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        */
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        virtual void RunL();
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        /**
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        * From CActive
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        */
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	    virtual TInt RunError(TInt aError);
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    private: // New functions
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        /**
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        * C++ constructor.
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        */
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        CMceUtilsIdleClass( MMceUtilsIdleClassObserver& aObserver );
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        /**
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        * Requests next operation.
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        */
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        void QueueNextL();
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    private: //Data
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        MMceUtilsIdleClassObserver& iObserver;
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    };
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#endif
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// End of file