// Copyright (c) 2005-2009 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 __CALINSTANCEVIEWIMPL_H__

#define __CALINSTANCEVIEWIMPL_H__

#include "agmids.h"

#include "agmfilter.h"

#include "calinstanceview.h"

#include "calprogresscallback.h"

class CAgnEntry;

class CAgnEntryModel;

class CAgnSimpleEntry;

class CCalLiteEntry;

class CCalSession;

class CCalSessionImpl;

class CCalInstance;

class MCalProgressCallBack;

class RAgendaServ;

/** Implementation class for the CCalInstanceView.

@internalComponent

*/

NONSHARABLE_CLASS(CCalInstanceViewImpl) : public CBase, public MCalProgressCallBack

    {

public:

	static CCalInstanceViewImpl* NewL(CCalSession& aSession, MCalProgressCallBack* aProgressCallBack);

	~CCalInstanceViewImpl();

	static CCalInstanceViewImpl* NewL(RPointerArray<CCalSession>& aSessions, MCalProgressCallBack* aProgressCallBack);

	CCalSessionImpl& CalSessionImpl() const;

	void FindInstanceL(RPointerArray<CCalInstance>& aInstanceList, CalCommon::TCalViewFilter aCalViewFilter, const CalCommon::TCalTimeRange& aTimeRange) const;

	void FindInstanceL(RPointerArray<CCalInstance>& aMatchedInstanceList, CalCommon::TCalViewFilter aCalViewFilter, const CalCommon::TCalTimeRange& aTimeRange, const CCalInstanceView::TCalSearchParams& aSearchParams) const;

	CCalInstanceIterator* FindInstanceL(const CCalFindInstanceSettings& aSettings) const;

	CCalInstanceIterator* FindInstanceL(const CCalFindInstanceSettings& aSettings, TCalLocalUid aLocalUid, const TCalTime& aInstanceTime) const;

	CCalInstanceIterator* FindInstanceByUidL(const TDesC8& aUid, const TCalTime& aInstanceTime) const;

	CCalInstanceIterator* FindInstanceL(const CCalFindInstanceSettings& aSettings, TCalInstanceId& aInstanceId) const;

	CCalInstanceIterator* FindInstanceByUidL(TCalCollectionId aCollectionId, const TDesC8& aUid, const TCalTime& aInstanceTime) const;

	CCalInstance* FindInstanceL(TCalLocalUid aLocalId, const TCalTime& aInstanceTime) const;

	CCalInstance* FindInstanceL(TCalInstanceId& aInstanceId) const;

#ifdef SYMBIAN_SKIPPED_CALENDAR_ALARMS	

    void FindAlarmedInstanceL(RPointerArray<CCalInstance>& aAlarmedInstanceList,    

    						  TASShdAlarmedInstanceParams aAlarmedInstanceParams) const;

#endif    

	void DeleteL(CCalInstance* aInstance, CalCommon::TRecurrenceRange aWhichInstances);

	TCalTime NextInstanceL(CalCommon::TCalViewFilter aCalViewFilter, const TCalTime& aStartDate) const;

	TCalTime PreviousInstanceL(CalCommon::TCalViewFilter aCalViewFilter, const TCalTime& aStartDate) const;

	static void DestroySimpleEntryArray(TAny* aPtr); //Cleanup function used to delete CAgnSimpleEntries.

	static void CleanCalLiteEntries(TAny* aPtr);  //Cleanup function used to delete CCalLiteEntries.

	CArrayFixSeg<TAgnInstance>* FindInstanceIdL(const CCalFindInstanceSettings& aCalFindInstanceSettings) const;

	CCalInstance* CreateInstanceFromLiteEntryL(CCalLiteEntry& aLiteEntry, TAgnInstanceId& aInstanceId, TBool aCheckInstanceTime) const;

	void FetchLiteEntriesFromIdsL(RArray<TAgnInstance>& aEntryIds, RPointerArray<CCalLiteEntry>& aCalLiteEntries, TLinearOrder<CCalLiteEntry>* aOrder) const;

	CCalInstance* CreateInstanceL(CCalLiteEntry& aLiteEntry, const TCalTime& aInstanceTime) const;

	CCalInstance* CreateInstanceL(const TAgnInstance& aInstanceId) const;

	TBool IsValidInstanceL(const CAgnSimpleEntry& aEntry, const TCalTime& aInstanceTime) const;

	void GetFileIdLC(RArray<TInt64>& aFiles)const;

	void GetShortFileIdLC(RArray<TInt>& aFiles)const;

	RAgendaServ& GetServ() const;

	void IncrementsessionReferenceCount();

	void DecrementSessionReferenceCount();

private:

	void Progress(TInt aPercentageCompleted);

	void Completed(TInt aError);

	TBool NotifyProgress();

	CCalInstanceViewImpl(RAgendaServ& aAgendaServer);

	void ConstructL(MCalProgressCallBack* aProgressCallBack, CCalSession& aSession);

	void ConstructL(RPointerArray<CCalSession>& aSessions, MCalProgressCallBack* aProgressCallBack);

	void DeleteInstanceL(CAgnEntry& aEntry, const TAgnCalendarTime& aInstanceTime, CalCommon::TRecurrenceRange aWhichInstances);

	void DoDeleteInstanceL(CAgnEntry& aEntry, const TAgnCalendarTime& aInstanceTime, CalCommon::TRecurrenceRange aWhichInstances);

	void FindInstancesFromIdsL(CArrayFixSeg<TAgnInstance>* aInstanceIds, RPointerArray<CCalInstance>& aInstanceArray) const;

	static TInt CompareInstanceId(const TAgnInstance& aLeft, const TAgnInstance& aRight);

	CCalSessionImpl* FindSession(TUint8 aShortFileId) const;

	static TBool DefaultSortOnly(const CCalFindInstanceSettings& aSettings); 

	CCalInstanceIterator* DoFindInstanceL(const CCalFindInstanceSettings& aSettings, TCalLocalUid aLocalUid, const TCalTime& aInstanceTime, TUint8 aShortFileId) const;

	CCalInstance* DoFindInstanceL(TCalLocalUid aLocalId, const TCalTime& aInstanceTime, TUint8 aShortFileId) const;

private: 

	RAgendaServ&		iAgendaServer;

	TInt 					iCurrentFileToOpen;

	MCalProgressCallBack* 	iCalProgressCallBack;

	RPointerArray<CCalSessionImpl> iCalSessions;//Doesn't own the objects

	};

/**

This Class is used for cleaning up sortentries when a leave happens,

SimpleEntry should be deleted using SimpleEntryAllocator.

Cleanup function DestroySimpleEntryArray() uses an object of this class.

*/

class TCleanSimpleEntryArray

{

public:

	TCleanSimpleEntryArray(RPointerArray<CAgnSimpleEntry>& aSimpleEntryArray, RAgendaServ& aAgendaServ);

	CAgnSimpleEntry* GetSimpleEntryAt(TInt aPos);

	RAgendaServ& GetAgendaServ();

	TInt GetCount() const;

	void CloseArray();

private:

	RPointerArray<CAgnSimpleEntry>& iSimpleEntryArray;

	RAgendaServ&			iAgendaServer;

};	

#endif // __CALINSTANCEVIEW_H__