/*
* Copyright (c) 2004 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: LandmarksUi Content File - Singleton class for listening events
*
*/
#ifndef CLMKEVENTLISTENERSINGLETON_H
#define CLMKEVENTLISTENERSINGLETON_H
// INCLUDES
#include <coemain.h> // CCoeStatic
// FORWARD DECLARATIONS
class CLmkDbEventListener;
class CPosLandmarkDatabase;
class MLmkDbObserver;
// CLASS DECLARATION
/**
* CLmkEventListenerSingleton class.
* It is mandatory that the user takes care of removing added observers
* before they or the database becomes invalid, since this is a singleton
* class and used with static methods.
*/
class CLmkEventListenerSingleton : public CCoeStatic
{
public: // New methods
/**
* Add observer
* @param aObserver
* @param aDb
*/
static void AddObserverL( MLmkDbObserver& aObserver,
CPosLandmarkDatabase& aDb );
/**
* Remove observer
* @param aObserver
*/
static void RemoveObserver( MLmkDbObserver& aObserver );
protected: // Constructors and destructor
/**
* C++ constructor.
* @return newly instantiated object
*/
CLmkEventListenerSingleton();
/**
* By default Symbian 2nd phase constructor is private.
*/
void ConstructL();
/**
* Destructor.
*/
~CLmkEventListenerSingleton();
protected: // Data
///Own:
CLmkDbEventListener* iEventListener;
};
#endif // CLMKEVENTLISTENERSINGLETON_H
// End of File