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/*
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* Copyright (c) 2007 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 the License "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:
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*
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*/
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#ifndef __CALENDARNOTIFY_H
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#define __CALENDARNOTIFY_H
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class MCalCallbackBase;
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class CAsyncRequestObserver;
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/**
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*This class implements CalendarNotify SAPI core logic.It includes
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* methods for notification of changes in calendar.
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*
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*/
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class CCalendarObserver : public CCalendarASyncRequest, /*public CActive, */public MCalChangeCallBack2
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{
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public:
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/**
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* Two-phased constructor.
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* @param CCalendarSessionInfo* a calendar session information.
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* @param aFilter* Filter object.
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* @param aAsyncRequestObserver Asynchronous request observer
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* @param aNotifyCallback Callback Object for Change notification.
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*/
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static CCalendarObserver* NewL( CCalendarSessionInfo* aSessionInfo,
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CCalendarFilter* aFilter,
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CAsyncRequestObserver* aAsyncRequestObserver,
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MCalCallbackBase* aNotifyCallback );
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/**
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* Start the notification process
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*/
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void StartChangeNotificationL();
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/**
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* Destructor.
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*/
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virtual ~CCalendarObserver();
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/**
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* Inherited from MCalChangeCallBack2 class
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*/
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virtual void CalChangeNotification(RArray< TCalChangeEntry > &aChangeItems);
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virtual TBool IsInProgress();
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private:
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/**
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* Default constructor.
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* @param aSessionInfo It is an object of CCalSession Class which
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* represents a channel of communication between a client thread
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* and the calendar Server thread .
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* @param aNotifyCallback It is a callback notification
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*/
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CCalendarObserver( CCalendarSessionInfo* aSessionInfo,
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CAsyncRequestObserver* aAsyncRequestObserver,
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MCalCallbackBase* aNotifyCallback );
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void ConstructL( CCalendarFilter* aFilter );
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/**
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* Inherited from CActive class
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*/
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virtual void DoCancel();
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/**
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* Inherited from CActive class
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*/
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virtual void RunL();
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/**
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* Activates the request and call SetActive() function
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*/
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void ActivateRequest(TInt aReason);
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/**
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* Gives the result for notification request.
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*/
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void NotifyRequestResult(TInt aReason);
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private:
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/**
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* Calendar server session
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*/
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CCalendarSessionInfo* iSessionInfo;
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/**
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* Calendar server session for notifications
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*/
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CCalSession* iSession;
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/**
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* Callback Object
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*/
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MCalCallbackBase* iNotifyCallback;
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/**
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* Filter Object
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*/
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CCalendarFilter* iFilter;
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/**
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* Asynchronous request observer, Used to get infromed of completion or request
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*/
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CAsyncRequestObserver* iAsyncRequestObserver;
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TBool iIsInProgress;
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};
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#endif __CALENDARNOTIFY_H |