author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 10:59:40 +0300 | |
branch | RCL_3 |
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parent 0 | 56b72877c1cb |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2008 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: Class header for CWsfScreenSaverWatcher |
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* |
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*/ |
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#ifndef C_WSFSCREENSAVERWACTHER_H |
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#define C_WSFSCREENSAVERWACTHER_H |
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#include <e32base.h> |
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#include <e32property.h> |
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// FORWARD DECLARATIONS |
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class MWsfScreenSaverStateObserver; |
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/** |
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* Active object class which monitors screen saver activity and notifies |
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* the observer when changes occur. |
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* |
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* @lib wsfmodel.lib |
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* @since S60 5.0 |
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*/ |
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NONSHARABLE_CLASS( CWsfScreenSaverWatcher ): public CActive |
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{ |
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public: // Constructors |
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/** |
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* Factory function. |
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* @since S60 5.0 |
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* @param aObserver The object to notify when changes occur. |
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* @return Class instance. |
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*/ |
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static CWsfScreenSaverWatcher* NewL( |
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MWsfScreenSaverStateObserver& aObserver ); |
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/** |
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* Factory function. |
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* @since S60 5.0 |
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* @param aObserver The object to notify when changes occur. |
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* @return Class instance. |
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*/ |
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static CWsfScreenSaverWatcher* NewLC( |
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MWsfScreenSaverStateObserver& aObserver ); |
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~CWsfScreenSaverWatcher(); |
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private: // Constructors |
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/** |
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* Constructor. |
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* @since S60 5.0 |
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* @param aObserver The object to notify when changes occur. |
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*/ |
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CWsfScreenSaverWatcher( MWsfScreenSaverStateObserver& aObserver ); |
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void ConstructL(); |
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public: |
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/** |
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* Start receiving events from screensaver |
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* @since S60 5.0 |
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*/ |
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void StartStatusScanning(); |
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protected: // from CActive |
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void RunL(); |
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void DoCancel(); |
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TInt RunError( TInt aError ); |
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private: // Data |
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/** |
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* Handle to the screen saver property value |
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*/ |
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RProperty iProperty; |
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/** |
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* The object to notify when changes occur. Not owned. |
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*/ |
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MWsfScreenSaverStateObserver* iObserver; |
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}; |
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#endif // C_WSFSCREENSAVERWACTHER_H |
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