/*+
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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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*     Messaging progress watching classes+
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*+
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*/+
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#ifndef __MUIUMSVSINGLEOPWATCHER_H__+
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#define __MUIUMSVSINGLEOPWATCHER_H__+
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+
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//  INCLUDES+
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#include <e32base.h>+
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#include <msvstd.h>+
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+
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+
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// CONSTANTS+
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const TInt KMsvSingleOpWatcherArrayGranularity = 4;+
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+
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+
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// FORWARD DECLARATIONS+
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class CMsvOperation;+
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class MMsvSingleOpWatcher;+
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+
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+
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+
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// CLASS DECLARATION+
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+
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/**+
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* CMsvOperation watcher class.+
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*/+
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class CMsvSingleOpWatcher : public CActive+
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    {+
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    public:+
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        /**+
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        * Two-phased constructor.+
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        */+
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        IMPORT_C static CMsvSingleOpWatcher* NewLC( MMsvSingleOpWatcher& aObserver );+
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+
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        /**+
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        * Two-phased constructor.+
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        */+
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        IMPORT_C static CMsvSingleOpWatcher* NewL( MMsvSingleOpWatcher& aObserver );+
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+
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        /**+
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        * Destructor+
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        */+
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        IMPORT_C ~CMsvSingleOpWatcher();+
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+
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        /**+
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        * Sets operation+
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        * Must only be called once during the lifetime of a CMsvSingleOpWatcher+
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        * object.+
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        */+
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        IMPORT_C void SetOperation( CMsvOperation* aOperation );+
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+
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        /**+
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        * Returns reference to the operation+
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        */+
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        IMPORT_C CMsvOperation& Operation() const;+
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+
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    private:+
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        /**+
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        * C++ constructor+
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        */+
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        CMsvSingleOpWatcher( MMsvSingleOpWatcher& aObserver );+
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+
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        /**+
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        * Symbian OS constructor+
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        */+
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        void ConstructL();+
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+
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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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        /**+
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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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    private:+
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        MMsvSingleOpWatcher& iObserver;+
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        CMsvOperation *iOperation;+
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    };+
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+
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+
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/**+
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* Mixin class MMsvSingleOpWatcher+
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*+
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* Function OpCompleted is called when operation is completed.+
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*/+
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class MMsvSingleOpWatcher+
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    {+
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    public:+
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        virtual void OpCompleted( CMsvSingleOpWatcher& aOpWatcher, TInt aCompletionCode ) = 0;+
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    };+
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+
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+
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/**+
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* Class CMsvSingleOpWatcherArray+
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*+
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* Use this define when we want to use an array of CMsvSingleOpWatcher objects.+
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*/+
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+
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typedef CArrayPtrFlat<CMsvSingleOpWatcher> CMsvSingleOpWatcherArray;+
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+
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+
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#endif // __MSVSINGLEOPWATCHER_H__+
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+
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// End of file+
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