browserutilities/feedsengine/FeedsServer/Server/inc/Task.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:20:16 +0200
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/*
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* Copyright (c) 2005 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 the License "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:  Task base class.
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*
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*/
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#ifndef TASK_H
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#define TASK_H
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// INCLUDES
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#include <e32base.h>
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// CONSTANTS
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// MACROS
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// DATA TYPES
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// FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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class CIdle;
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class CFeedsServer;
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// CLASS DECLARATION
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/**
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*  Task base class.  To cancel a task just simply delete it.
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*
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*  \b Library: FeedsEngine.lib
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*
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*  @since 3.0
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*/
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class CTask: public CBase
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    {
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    public: // Destructor
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        /**
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        * Destructor.
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        */        
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        virtual ~CTask();
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    public: // New Methods
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        /**
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        * Starts the task.
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        *
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        * @since 3.0
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        * @return Void
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        */
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        virtual void StartTaskL() = 0;
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        /**
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        * Starts an CIdle to delete the instance after the callstack has unrolled.
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        *
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        * @since 3.0
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        * @return Void
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        */
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        void AutoDelete();
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    protected:
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        /**
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        * C++ default constructor.
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        */
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        CTask(CFeedsServer& aFeedsServer);
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        /**
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        * By default Symbian 2nd phase constructor is private.
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        */
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        void BaseConstructL(TBool aAutoDelete);
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    private:
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        /**
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        * Deletes the instance after the callstack has unrolled..
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        *
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        * @since 3.0
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        * @return Void
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        */
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        static TInt DelayedDelete(TAny* aPtr);
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    protected:
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        CFeedsServer&  iFeedsServer;
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    private:
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        CIdle*         iAutoDelete;    
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    };
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#endif      // TASK_H
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// End of File