/**

* Copyright (c) 2007-2009 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 CNTVIEWMSGHANDLER_H

#define CNTVIEWMSGHANDLER_H

class CCntMsgHandler;

class CViewSubSessionBase;

/**

CCntViewMsgHandler class handles all View related operations. It uses

a message handling method to handle the incoming op code.

It delegates the incoming op code to appropriate message handling method by using

a lookup table of member function pointers created by CCntServer.

@internalComponent

*/

class CCntViewMsgHandler : public CCntMsgHandler

	{

public:

	static CCntViewMsgHandler* NewLC(CCntSession& aSession);

    virtual ~CCntViewMsgHandler();

	TInt HandleMessageL(const RMessage2& aMessage);

private:

	CCntViewMsgHandler(CCntSession& aSession);

	void ConstructorL();

	// Helper methods

	void CreateViewSubSessionL(const RMessage2& aMessage);

	void CreateNamedViewSubSessionL(const RMessage2& aMessage);

	void CloseViewSubSessionL(const RMessage2 &aMessage);

	CViewSubSessionBase& ViewFromHandleL(TUint aHandle);

	void CompleteMessage(TInt aRet, const RMessage2& aMessage);

	void ValidateViewContactL(const CViewContact& aViewContact, TInt aSessionId);

public:	

	void ItemAtL(const RMessage2& aMessage);

	void OpenViewSessionL(const RMessage2& aMessage);

	void CloseViewSessionL(const RMessage2& aMessage);

	void ChangeSortOrderL(const RMessage2& aMessage);

	void BeginIterateL(const RMessage2& aMessage);

	void EndIterateL(const RMessage2& aMessage);

	void NextItemL(const RMessage2& aMessage);	

	void TextFieldL(const RMessage2& aMessage);

    void ReadContactTextDefL(const RMessage2& aMessage);

	void CreateViewL(const RMessage2& aMessage);

	void CreateNamedViewL(const RMessage2& aMessage);

	void CloseViewL(const RMessage2& aMessage);

	void MatchesHintFieldL(const RMessage2& aMessage);

	void ViewSubSessionServiceL(const RMessage2& aMessage);

private:

	CObjectCon*  iContainer;

	CObjectIx*   iSubSessions;

	};

/**

Subsession container object cleanup class.

*/

class TObjectCleanup

	{

public:

	TObjectCleanup() : iObject(NULL),iIndex(NULL) {}

	static void Cleanup(TAny* aSelf) 

		{ 

		TObjectCleanup* cleanupObj = static_cast<TObjectCleanup*>(aSelf);

		cleanupObj->DoCleanup();

		}

private:

	void DoCleanup()

		{

		if (iIndex)

			{

			iIndex->Remove(iHandle);

			}

		else if (iObject)

			{

			iObject->Close();

			}

		delete this;

		}

public:

	CObject* iObject;

	CObjectIx* iIndex;

	TInt iHandle;

	};

#endif