/**

* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Symbian Foundation License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* This is the header file for CT_MsgUtilsDeleteAllChildren

* 

*

*/

/**

 @file

*/

#ifndef __T_UTILS_DELETE_ALL_CHILDREN_H__

#define __T_UTILS_DELETE_ALL_CHILDREN_H__

// epoc includes

#include <msvids.h>

// Forward Declaration

class CMsvSession;

class CMsvOperation;

/**

Implements a utilty that performs deletion of all the children entries

*/

class CT_MsgUtilsDeleteAllChildren : public CActive

	{

public:

	IMPORT_C CT_MsgUtilsDeleteAllChildren(CMsvSession* aSession,TMsvId aParentId = KMsvRootIndexEntryId);

   ~CT_MsgUtilsDeleteAllChildren();

	IMPORT_C void StartL(TRequestStatus& aStatus);

	IMPORT_C void StartL(TBool aBlockDelete, TRequestStatus& aStatus);

	// Returns the number of the children entries that are not deleted

	TInt Undeleted() {return (iUndeletedChildren);}

	// Gets information about a completed operation.

	IMPORT_C TInt FinalProgressStatus(CMsvOperation& aOperation,const TRequestStatus& aStatus);

protected:

	void DoCancel();

	void RunL();

private:

	CMsvSession* iSession;

	TMsvId iParentId;

	CMsvEntry* iEntry;

	CMsvEntrySelection*	iSelection;

	TRequestStatus* iRequestStatus;

	TInt iTotalChildren;

	TInt iCurrentChild;

	TInt iUndeletedChildren;

	CMsvOperation* iOperation;

private:

	enum State

		{

		EStateThisLevel,

		EStateNextLevel,

		EBlockDelete

		};

	TInt iState;

private:

	CT_MsgUtilsDeleteAllChildren* iNextLevel;

	};

#endif //__T_UTILS_DELETE_ALL_CHILDREN_H__