diff -r 8b2d6d0384b0 -r d9aefe59d544 camerauis/cameraapp/generic/inc/CamPropertyWatcher.h --- a/camerauis/cameraapp/generic/inc/CamPropertyWatcher.h Tue Feb 02 00:01:39 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,129 +0,0 @@ -/* -* Copyright (c) 2007 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: Callback wrapper for Publish and Subscribe -* -* Copyright © 2007 Nokia. All rights reserved. -* This material, including documentation and any related computer -* programs, is protected by copyright controlled by Nokia. All -* rights are reserved. Copying, including reproducing, storing, -* adapting or translating, any or all of this material requires the -* prior written consent of Nokia. This material also contains -* confidential information which may not be disclosed to others -* without the prior written consent of Nokia. - -* -* -*/ - - -#ifndef CAMPROPERTYWATCHER_H -#define CAMPROPERTYWATCHER_H - -// INCLUDES -#include -#include - -// FORWARD DECLARATIONS -class MPropertyObserver; - -// CLASS DECLARATION - -/** -* Class to watch for value changes on a property -* -* @since 2.8 -*/ -class CCamPropertyWatcher : public CActive - { -public: // Constructors and destructor - /** - * Symbian OS two-phased constructor - * @since 2.8 - * @param aPropertyObserver The observer, notified when the value changes - * @param aCategory the category of the property - * @param aKey the identifier of the property - */ - static CCamPropertyWatcher* NewL( MPropertyObserver& aPropertyObserver, - const TUid& aCategory, - const TUint aKey ); - - /** - * Destructor. - * @since 2.8 - */ - ~CCamPropertyWatcher(); - -public: // New methods - - /** - * Register a need for notification of value changes - * @since 2.8 - */ - void Subscribe(); - - /** - * Return the current value of the property - * @since 2.8 - * @param aValue Reference to an integer that will receive the current - * value of the property - * @return KErrNone if successful otherwise another of the system-wide error - * codes - */ - TInt Get( TInt& aValue ); - -private: // new methods - - /** - * C++ default constructor. - * @since 2.8 - * @param aPropertyObserver Reference to observer of change events - * @param aCategory category of the property - * @param aKey identifier of the property - */ - CCamPropertyWatcher( MPropertyObserver& aPropertyObserver, - const TUid& aCategory, - const TUint aKey ); - /** - * Symbian 2nd phase constructor. - * @since 2.8 - */ - void ConstructL(); - -public: // methods from base classes - - /** - * From CActive - * @since 2.8 - */ - void RunL(); - -private: - - /** - * From CActive - * @since 2.8 - */ - void DoCancel(); - -private: - - MPropertyObserver& iPropertyObserver; // observer informed of change events - RProperty iProperty; // handle to the property - TUid iCategory; // category of the property - TUint iKey; // identifier of the property - }; - -#endif // CAMPROPERTYWATCHER_H - -// End of File