inc/screensaverrepositorywatcher.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 27 Apr 2010 16:38:49 +0300
branchRCL_3
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/*
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* Copyright (c) 2003 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:   CScreensaverRepositoryWatcher declaration.
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*
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*/
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#ifndef C_SCREENSAVERREPOSITORYWATCHER_H
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#define C_SCREENSAVERREPOSITORYWATCHER_H
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// INCLUDES
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#include <cenrepnotifyhandler.h>
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// CLASS DECLARATION
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class CRepository;
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/**
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* The class used to monitor the change of register value
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*/
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class CScreensaverRepositoryWatcher : public CBase,
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    public MCenRepNotifyHandlerCallback
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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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    static CScreensaverRepositoryWatcher* NewL(const TUid aUid,
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            const TUint32 aKey, CCenRepNotifyHandler::TCenRepKeyType aKeyType,
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            TCallBack aCallBack, CRepository* aRepository);
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    /**
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    * Two-phased constructor
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    */
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    static CScreensaverRepositoryWatcher* NewL(const TUid aUid,
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            TCallBack aCallBack, CRepository* aRepository);
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    /**
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    * Destructor
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    */
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    ~CScreensaverRepositoryWatcher();
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    /**
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    * Returns the changed key
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    */
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    TUint32 ChangedKey();
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public:
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    // from MCenRepNotifyHandlerCallback
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    void HandleNotifyInt(TUint32 aKey, TInt aNewValue);
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    void HandleNotifyString(TUint32 aKey, const TDesC16& aNewValue);
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    void HandleNotifyGeneric(TUint32 aKey);
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    void HandleNotifyError(TUint32 aKey, TInt aError,
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            CCenRepNotifyHandler* aHandler);
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private:
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    /**
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    * C++ default constructor
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    */
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    CScreensaverRepositoryWatcher(const TUid aUid, const TUint32 aKey,
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            TCallBack aCallBack, CRepository* aRepository);
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    /**
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    * Two-phased constructor
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    */
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    void ConstructL(CCenRepNotifyHandler::TCenRepKeyType aKeyType);
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    /**
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    * Two-phased constructor
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    */
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    void ConstructL();
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private:
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    TUid iUid;
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    TUint32 iKey;
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    TUint32 iChangedKey;
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    TCallBack iCallBack;
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    CRepository* iRepository;
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    CCenRepNotifyHandler* iNotifyHandler;
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    };
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#endif // C_SCREENSAVERREPOSITORYWATCHER_H