/*
* Copyright (c) 2010 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: 
 *
*/

#ifndef CCALENDARPLUGIN_H
#define CCALENDARPLUGIN_H

#include <e32base.h>
#include <cindexingplugin.h>
#include <calprogresscallback.h>
#include <calchangecallback.h>
#include <calcommon.h> // TCalLocalUid

#include <common.h>
#include "delayedcallback.h"

// FORWARD DECLARATIONS
class CCalSession;
class CCalIter;
class CCalEntryView;
class CCPixIndexer;


/** Field names */
_LIT(KCalendarSummaryField, "Summary");
_LIT(KCalendarDescriptionField, "Description");
_LIT(KCalendarLocationField, "Location");
_LIT(KCalendarStartTimeField, "StartTime");
_LIT(KCalendarEndTimeField, "EndTime");
_LIT(KCalendarAttendeesField, "Attendees");

class CCalendarPlugin : public CIndexingPlugin, public MDelayedCallbackObserver, public MCalProgressCallBack, public MCalChangeCallBack2
{
public: // Constructors and destructor
	
	static CCalendarPlugin* NewL();
	static CCalendarPlugin* NewLC();
	virtual ~CCalendarPlugin();

public: // From CIndexingPlugin
	void StartPluginL();
	void StartHarvestingL(const TDesC& aQualifiedBaseAppClass);
	
public: // From MCalProgressCallBack

	/** Progress callback.
	This calls the observing class with the percentage complete of the current operation.
	@param aPercentageCompleted The percentage complete. */
	void Progress(TInt aPercentageCompleted);
	
	/** Progress callback.
	This calls the observing class when the current operation is finished.
	@param aError The error if the operation failed, or KErrNone if successful. */
	void Completed(TInt aError);
	
	/** Asks the observing class whether progress callbacks are required.
	@return If the observing class returns EFalse, then the Progress() function will not be called. */
	TBool NotifyProgress();
	
public:	// From MCalChangeCallBack2
	
	void CalChangeNotification( RArray< TCalChangeEntry >& aChangeItems );	
	
public: // From MDelayedCallbackObserver

    void DelayedCallbackL(TInt aCode);
    void DelayedError(TInt aError);
    
private: // New functions
	
	void HandleChangedEntryL(const TCalChangeEntry& changedEntry);
	
	void CreateEntryL( const TCalLocalUid& aLocalUid, TCPixActionType aActionType );	

private: // Constructors
	
	/**
	 * Default C++ constructor.
	 */
	CCalendarPlugin();
	
	/**
	 * Symbian 2nd phase constructor.
	 */
	void ConstructL();

private:
	
	/** The asynchronizer */
	CDelayedCallback* iAsynchronizer;	
	
	// CPix database 
    CCPixIndexer* iIndexer;
    
	/** Calendar session */
	CCalSession* iSession;
	
	/** Calendar iterator */
	CCalIter* iCalIterator;
	
	/** Calendar entry view */
	CCalEntryView* iEntryView;
	
	/** Are we positioned at first entry? */
	TBool iFirstEntry;
	
	// Start harvesting
	TBool iStartHarvesting;    

#ifdef __PERFORMANCE_DATA
    TTime iStartTime;
    TTime iCompleteTime;
    void UpdatePerformaceDataL();
    void UpdatePerformaceDataL(TCPixActionType);
#endif
};

#endif // CCALENDARPLUGIN_H