/*

* 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(KCalenderCompletedField, "CompletedDate");

_LIT(KCalendarAttendeesField, "Attendees");

_LIT(KCalendarPriorityField, "Priority");

_LIT(KCalendarPriorityHigh, "High");

_LIT(KCalendarPriorityMedium, "Normal");

_LIT(KCalendarPriorityLow, "Low");

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);

#ifdef USE_HIGHLIGHTER

public: // AddExcerpt function

    /*

     * Add the value to excerpt field

     * @param TDesC& aExcerptValue excerpt value

     */

    void AddToFieldExcerptL(const TDesC& aExcerptValue);

private:

    /*

     * reset the excerpt

     */

    void ResetExcerpt();

#endif

    /*

       * For date and time get discriptor value in the passed format

       * @param TDateTime& datetime: date time to be formatted

       * @param const TDesC& aFormat: to this format

       * @param TDes& dateString: formated date 

       */    

     void GetDateTimeDescriptorL(TDateTime& datetime, const TDesC& aFormat, TDes& dateString);

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 USE_HIGHLIGHTER	

	// Excerpt field

    HBufC* iExcerpt;

#endif

	//for unit testing.

    #ifdef HARVESTERPLUGINTESTER_FRIEND

        friend class CHarvesterPluginTester;

    #endif

#ifdef __PERFORMANCE_DATA

    TTime iStartTime;

    TTime iCompleteTime;

    void UpdatePerformaceDataL();

    void UpdatePerformaceDataL(TCPixActionType);

#endif

};

#endif // CCALENDARPLUGIN_H