diff -r 491b3ed49290 -r 65326cf895ed filemanager/schbkup/inc/fmsystemstatemonitor.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/filemanager/schbkup/inc/fmsystemstatemonitor.h Wed Sep 01 12:31:07 2010 +0100 @@ -0,0 +1,127 @@ +/* +* Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0"" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: system State monitor +* +*/ + +#ifndef __FM_SYSTEMSTATE_MONITOR__ +#define __FM_SYSTEMSTATE_MONITOR__ + +#include +#include + +/** + * MFmSystemStateMonitorObserver + * + * Monitor component observer. + * + * @since S60 5.2 + */ +class MFmSystemStateMonitorObserver + { + public: + /** + * Called when the system State changed + */ + virtual void SystemStateChangedEvent() = 0; + }; + +/** + * CFmSystemStateMonitor + * + * Component for monitoring system state + * + * @since S60 5.2 + */ +class CFmSystemStateMonitor : public CActive + { + public: + /** + * Create new monitor + * + * @param aObserver monitor observer + * @since S60 5.2 + */ + static CFmSystemStateMonitor* NewL( + MFmSystemStateMonitorObserver& aObserver ); + + /** + * Destructor + * + * @since S60 5.2 + */ + ~CFmSystemStateMonitor(); + + /** + * Start monitor + * + * @param aStateToMonitor the state needs monitored + * @since S60 5.2 + */ + void StartMonitor( TUint aStateToMonitor ); + + /** + * Indicate system state is normal or not + * + * @since S60 5.2 + * @return ETrue if system state is normal, EFalse if not + */ + TBool IsSystemStateNormal(); + + private: + /** + * C++ constructor + * + * @param aObserver monitor observer. + * @since S60 5.2 + */ + CFmSystemStateMonitor( MFmSystemStateMonitorObserver& aObserver ); + + /** + * Symbian 2nd phase constructor + * + * @since S60 5.2 + */ + void ConstructL(); + + private: // From CActive + /** + * From CActive + */ + void RunL(); + + /** + * From CActive + * @since S60 5.2 + */ + void DoCancel(); + + /** + * From CActive + * @since S60 5.2 + */ + TInt RunError( TInt aError ); + + private: + // observer used to inform try schedule backup again when system state become normal + MFmSystemStateMonitorObserver& iObserver; + + // State aware session. + RSsmStateAwareSession iSAS; + + // State to monitor + TUint iStateToMonitor; + }; + +#endif // __FM_SYSTEMSTATE_MONITOR__