/*

* 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 "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 CTSYSYSTEMSTATEPLUGINHANDLER_H

#define CTSYSYSTEMSTATEPLUGINHANDLER_H

#include <e32base.h>

#include <et_tsy.h>

#include <ctsy/serviceapi/cmmutility.h>

#include <ctsy/pluginapi/cmmdatapackage.h>

class CCtsySystemStatePluginService;

class CCtsySystemStatePluginHandler;

class TCtsySsmCallbackData 

	{

public:

	CMmDataPackage	iNumberPackage;	// emergency call number	

	TTsyReqHandle	iReqHandle;	

	};

/*	

* Abstract class for 

* SsmPluginCallback()

*/

//MCtsySsmPluginCallback

class MCtsySsmPluginCallback

	{	

public: // Interface

	// aResult -- result returned by SSM

	virtual void SsmPluginCallback(TInt aResult, TCtsySsmCallbackData& aCallbackData) = 0; // called by CCtsySystemStatePlugin, after answer from SSM		

	};

/*	

* Plugin handler: encapsulates the plugin loading and unloading and

* delegates requests onto plugin implementation	

*/

NONSHARABLE_CLASS(CCtsySystemStatePluginHandler) : public CBase

	{

public:

	static CCtsySystemStatePluginHandler* NewL();

	static CCtsySystemStatePluginHandler* NewLC();

	virtual ~CCtsySystemStatePluginHandler();

//	void RegisterSsmPluginCallback(MCtsySsmPluginCallback* aSsmPluginCallback);

private:

	 CCtsySystemStatePluginHandler();

     void ConstructL();

public:        

	TInt Connect();

	// asynchronous	version	

	// aSsmPluginCallback -- callback to call on completion of ActivateRfForEmergencyCall

	void ActivateRfForEmergencyCall(MCtsySsmPluginCallback* aSsmPluginCallback, TCtsySsmCallbackData& aCallbackData);

	// asynchronous	version

	// aSsmPluginCallback -- callback to call on completion of DeactivateRfAfterEmergencyCall	

	void DeactivateRfAfterEmergencyCall();

    void Close();

private:

	CCtsySystemStatePluginService* iSystemStatePluginService;                            

	};

class CCtsySystemStatePluginService : public CBase

	{

public:

    inline static CCtsySystemStatePluginService* NewL();

    inline virtual ~CCtsySystemStatePluginService();		    

    virtual TInt Connect() = 0;

	virtual void ActivateRfForEmergencyCall(MCtsySsmPluginCallback* aSsmPluginCallback, TCtsySsmCallbackData& aCallbackData) = 0;

	virtual void DeactivateRfAfterEmergencyCall() = 0;

	virtual void Close() = 0;

protected:	

	TUid	iDestructorIDKey;

	};

#include "ctsysystemstatepluginservice.inl"

#endif