diff -r 8173571d354e -r 1fc85118c3ae locationlandmarksrefappfors60/Inc/LandmarksDbEventHandler.h --- a/locationlandmarksrefappfors60/Inc/LandmarksDbEventHandler.h Thu Aug 19 09:48:36 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,109 +0,0 @@ -/* -* Copyright (c) 2004-2005 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: -* See class description below -* -*/ - - -#ifndef __LANDMARKS_DB_EVENT_HANDLER_H__ -#define __LANDMARKS_DB_EVENT_HANDLER_H__ - - -#include "LandmarksDbObserver.h" -#include -#include - - -class CPosLandmarkDatabase; -class MLandmarksDbEventObserver; - - - -/** -* In the Landmark reference application there is only one instance of -* CLandmarksDbEventHandler. It is the only object observing the -* default landmark database directly. Other objects that want to observe the -* database must register to this object. When an event occurs this object -* broadcasts it to all registered observers. -*/ -class CLandmarksDbEventHandler : public CActive - { - public: // Constructors and destructor - - /** - * C++ constructor. - * - * @param aDb the database to observer - */ - CLandmarksDbEventHandler( - CPosLandmarkDatabase& aDb); - - /** - * Destructor. - */ - ~CLandmarksDbEventHandler(); - - public: // New functions - - /** - * AddObserverL registers a db observer. - * - * @param aObserver the observer to register - */ - void AddObserverL(MLandmarksDbObserver* aObserver); - - protected: // from CActive - - /** - * Handles an active object’s request completion event. - */ - void RunL(); - - /** - * Implements cancellation of an outstanding request. - */ - void DoCancel(); - - /** - * Handles a leave occurring in the request completion event - * handler RunL(). - * - * @return KErrNone - */ - TInt RunError(TInt aError); - - private: - - /** - * Starts observing of db enevs - */ - void ObserveEvents(); - - private: - - //! The database to observe - CPosLandmarkDatabase& iDb; - - //! A db event to be reported - TPosLmEvent iEvent; - - //! An array of registered observers - RPointerArray iDbObservers; - - }; - - -#endif // __LANDMARKS_DB_EVENT_HANDLER_H__ -