// Copyright (c) 1998-2009 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:

// CImImap4FolderSync header

// 

//

#if !defined(__FLDSYNC_H__)

#define __FLDSYNC_H__

#include <mentact.h>

#include <msventry.h>

// Forward declarations

class CImImap4Session;

class CImImap4DirStruct;

class TImap4SyncProgress;

// Maximum depth of folder tree to sync to

const TInt KFolderDepth=8;

// States

/**

@internalComponent

@released

*/

enum TFolderSyncState

	{

	ETreeSync=1,

	};

class CImImap4FolderSync : public CMsgActive

/**

@internalComponent

@released

*/

	{

public:

	~CImImap4FolderSync();

	static CImImap4FolderSync* NewLC(CImImap4Session *aSession);

	static CImImap4FolderSync* NewL(CImImap4Session *aSession);

	void ConstructL(CImImap4Session *aSession);

	// Mirror folder tree of remote server

	void SynchroniseTreeL(TRequestStatus& aStatus, const TMsvId aRoot, const TBool aNewFoldersAreInvisible);

	// Set serverentry to use

	void SetEntry(CMsvServerEntry* aEntry);

	// increment relevant entries in the progress structure

	void IncProgress(TImap4SyncProgress& aProgress);

	void ResetStats();

private:

	CImImap4FolderSync();

	void DoRunL();

	void DoCancel();

	TBool ProcessDirListL();

	void BuildLocalL(const TMsvId aFolder, const TBool aDoThisOne);

	void OrphanedFolderCheckL();

	// Set entry, leave if error (not related to setentry() which sets iEntry)

	void SetEntryL(const TMsvId aId);

	// Change entry, leave if error

	void ChangeEntryL(const TMsvEntry& aEntry);

	// Change entry in bulk mode (i.e. no index file commit), leave if error

	void ChangeEntryBulkL(const TMsvEntry& aEntry);

	// Get children, leave if error

	void GetChildrenL(CMsvEntrySelection& aSelection);

private:

	// IMAP4 session to use

	CImImap4Session*		iSession;

	// Tree synchronisation state

	TFolderSyncState		iState;

	TMsvId					iServiceId;

	TMsvId					iFolderId;

	TInt					iFolderLevel;

	CArrayPtr<CImImap4DirStruct>* iFolderList;

	CMsvEntrySelection*		iFolderContents;

	CArrayFix<TMsvId>*		iFolderIds[KFolderDepth];

	TInt					iFolderPosition[KFolderDepth];

	CArrayFix<TMsvId>*		iLocalFolders;

	TBool					iNewFoldersAreInvisible;

	// Access to message database

	CMsvServerEntry*		iEntry;

	// Current request status

	TRequestStatus*			iRequestStatus;

	TInt					iOrphanedFolders;

	TInt					iNewFolders;

	};

#endif