/*+
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* Copyright (c) 2006 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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*       Base class for operations which perform the same function on+
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*       all entries of a CMsvEntrySelection+
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*+
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*/+
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+
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#ifndef __SELECTIONOPERATIONBASE_H__+
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#define __SELECTIONOPERATIONBASE_H__+
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+
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#include <msvapi.h>+
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+
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//  Forward declarations+
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class CMsvEntrySelection;+
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class CMsvEntry;+
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+
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/**+
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* CSelectionOperationBase+
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* Base class for operations which perform the same function on+
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* all entries of a CMsvEntrySelection+
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*/+
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class CSelectionOperationBase : public CMsvOperation+
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    {+
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    public:+
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+
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        /**+
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        *+
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        */+
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        CSelectionOperationBase(+
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            CImumInternalApi& aMailboxApi,+
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            TInt aPriority,+
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            TRequestStatus& aObserverRequestStatus,+
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            CMsvEntrySelection* aEntrySelection );+
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+
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        /**+
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        *+
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        */+
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        CSelectionOperationBase();+
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+
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        /**+
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        *+
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        */+
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        inline void SetSelectionOwnershipExternal( TBool aExternalOwnership );+
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        /**+
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        *+
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        */+
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        inline TBool SelectionOwnershipExternal() const;+
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+
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        /**+
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        *+
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        */+
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        inline TInt NumItems() const;+
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+
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        /**+
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        *+
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        */+
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        inline TInt CurrentItemIndex() const;+
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+
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        /**+
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        * Should be called in ConstructL of derived class+
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        * before SetActive();+
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        */+
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        void StartL();+
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+
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    protected:+
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        /**+
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        * Destructor+
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        */+
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        ~CSelectionOperationBase();+
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+
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        /**+
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        *+
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        */+
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        void Complete(TInt aCompletionCode);+
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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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    private:+
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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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        /**+
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        * From CActive+
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        */+
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        void DoRunL();+
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+
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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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+
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        /**+
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        *+
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        */+
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        virtual CMsvOperation* CreateOperationL( TMsvId aMsvId )=0;+
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+
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        /**+
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        *+
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        */+
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        virtual TBool StopOnError( TInt aErrorCode )=0;+
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+
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        /**+
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        * Called if DoRunL leaves.+
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        */+
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        virtual void OpRunError( TInt aErrorCode ) = 0;+
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        /**+
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        * Get error from progress buffer.+
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        */+
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        virtual TInt CheckForError(const TDesC8& aProgress)=0;+
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+
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    protected:+
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        CMsvOperation* iOperation;+
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    private:+
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        CMsvEntrySelection* iEntrySelection;+
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        TInt iCurrentEntryIndex;+
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        TBool iSelectionOwnershipExternal;+
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    };+
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+
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#include "SelectionOperationBase.inl"+
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+
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#endif //__SELECTIONOPERATIONBASE_H__+
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