// 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:

//

/**

 @file

 @internalComponent

*/

#ifndef __CALASYNCTASK_H__

#define __CALASYNCTASK_H__

#include "calcommon.h"

class CCalCategory;

class CCalEntry;

class CCalSessionImpl;

class MCalProgressCallBack;

class TAgnEntryId;

NONSHARABLE_CLASS(CCalAsyncTaskManager) : public CActive

	{

public:

	enum TAsyncAction 

		{//server should use this as well

		ENoAction,

		EBuildIndex,

		EDeleteEntry,

		EFilterCategory,

		EDeleteCategory

		};

	~CCalAsyncTaskManager();

	static CCalAsyncTaskManager* NewL(CCalSessionImpl& aSessionImpl);

	void StartBuildIndexL(MCalProgressCallBack& aProgressCallBack);

	void StartDeleteEntryL(MCalProgressCallBack& aProgressCallBack, const CalCommon::TCalTimeRange& aCalTimeRange, CalCommon::TCalViewFilter aFilter);

	void StartCategoryTaskL(MCalProgressCallBack& aProgressCallBack, TAsyncAction aAction, const CCalCategory& aCategory, RPointerArray<CCalEntry>* aFilteredEntry = NULL);

	void CancelAsynTask();

	TBool BuildingIndex() const;

	TBool IsBusy() const;

private:

	CCalAsyncTaskManager(CCalSessionImpl& aSessionImpl);

	void DoCancel();

	void RunL();

	void GetFilteredEntryL();

	void CompleteRequest(TInt aCompleteCode);

private:

	CCalSessionImpl& 					iSessionImpl;		

	RArray<MCalProgressCallBack*>		iCallBacks;//not owned

	TAsyncAction				iAction;

	TBool						iNeedProgressReport;//may not needed because server knows

	RPointerArray<CCalEntry>* 	iFilteredEntry;//Owned by the caller and will be filled in with array filtered entries

	CArrayFixSeg<TAgnEntryId>* 	iEntryIdList;//Holds an array of entry id temporarily

	};

#endif