author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 18 Jan 2010 20:10:36 +0200 | |
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/* |
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* =========================================================================== |
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* Name : HgPropListener.h |
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* Part of : Hg |
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* Description : Class to get notifications about changes to a P&S property |
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* |
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* Copyright © 2008 Nokia Corporation. |
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* This material, including documentation and any related |
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* computer programs, is protected by copyright controlled by |
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* Nokia Corporation. All rights are reserved. Copying, |
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* including reproducing, storing, adapting or translating, any |
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* or all of this material requires the prior written consent of |
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* Nokia Corporation. This material also contains confidential |
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* information which may not be disclosed to others without the |
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* prior written consent of Nokia Corporation. |
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* =========================================================================== |
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*/ |
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|
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#ifndef __PROPLISTENER_H__ |
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#define __PROPLISTENER_H__ |
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#include <e32base.h> |
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#include <e32property.h> |
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/** |
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* Observer interface for getting notifications about a P&S property change. |
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*/ |
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class MHgPropertyChangeObserver |
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{ |
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public: |
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virtual void PropertyChanged( TUid aCategory, TUint aKey ) = 0; |
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}; |
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/** |
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* Class to get notifications about changes to a P&S property. |
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*/ |
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NONSHARABLE_CLASS( CHgPropertyListener ) : public CActive |
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{ |
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public: |
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/** |
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* Constructor. |
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* Starts listening for the property with the given category/key. |
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*/ |
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IMPORT_C CHgPropertyListener( TUid aCategory, |
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TUint aKey, MHgPropertyChangeObserver& aObserver ); |
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/** |
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* Destructor. |
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*/ |
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IMPORT_C ~CHgPropertyListener(); |
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private: |
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void DoCancel(); |
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void RunL(); |
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TInt RunError( TInt aError ); |
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MHgPropertyChangeObserver& iObserver; |
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RProperty iProperty; |
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TUid iCategory; |
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TUint iKey; |
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}; |
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#endif |
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// End of file |