brandingserver/bsserver/cbsbackupobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 13:59:20 +0300
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/*
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* Copyright (c) 2006-2006 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 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:   Gets and notifies backup and Restore events from system
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*
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*/
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0
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#ifndef CBSBACKUPOBSERVER_H
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#define CBSBACKUPOBSERVER_H
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#include <e32base.h>
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#include <e32property.h>
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#include "mbsbackupobserver.h"
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/**
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 *  Gets and notifies backup and Restore events from system
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 *
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 *  @lib bsserver.exe
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 *  @since S60 v3.2
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 */
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class CBSBackupObserver : public CActive
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{
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public:
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    static CBSBackupObserver* NewL();
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    static CBSBackupObserver* NewLC();
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    ~CBSBackupObserver();
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private: // From CActive
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    /**
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     * @see CActive
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     */
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    void RunL();
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    /**
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     * @see CActive
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     */
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    void DoCancel();
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    /**
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     * @see CActive
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     */
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    TInt RunError( TInt aError );
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private: // Private constructors
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    CBSBackupObserver();
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    void ConstructL();
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public: // New Methods
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    /**
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     * Register observer to observe backup state changes
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     * @param aObserver observer to register
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     * @return KErrNone or some other system wide errorcode
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     */
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    TInt RegisterObserver( MBSBackupObserver* aObserver );
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    /**
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     * Unregister observer
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     * @param aObserver observer to remove
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     */
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    void UnregisterObserver( MBSBackupObserver* aObserver );   
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private: // New methods
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    /**
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     * Subscribes to backup and restore P&S value.
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     */
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    void Subscribe();
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    /**
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     * Notify registered observers of new backup state
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     */
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    void NotifyObserversL( MBSBackupObserver::TBackupState aState );
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    /**
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     * Read current backup state
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     * @return current backup state
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     */
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    MBSBackupObserver::TBackupState BackupStateL();
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private: // Data
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    // backup state property
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    RProperty iProperty;
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    // Own (array only). Observers
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    RPointerArray<MBSBackupObserver> iObservers;
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    // latest state of backup and restore;
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    MBSBackupObserver::TBackupState iLatestState;
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};
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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e6b17d312c8b Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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#endif //CBSBACKUPOBSERVER_H