/*

* Copyright (c) 2000 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: Implementation of terminalsecurity components

*

*/

#ifndef SCPPLUGIN_H

#define SCPPLUGIN_H

#include "SCPDebug.h"

/*#ifdef _DEBUG

#define __SCP_DEBUG

#endif // _DEBUG

// Define this so the precompiler in CW 3.1 won't complain about token pasting,

// the warnings are not valid

#pragma warn_illtokenpasting off

#ifdef __SCP_DEBUG

#define Dprint(a) RDebug::Print ## a

#else

#define Dprint(a)

#endif // _DEBUG*/

//  INCLUDES

#include <bldvariant.hrh>

#include <e32base.h>

#include <f32file.h>

//  FORWARD DECLARATIONS

class CSCPParamObject;

/**

*  An interface class that specifies the services available to the plugins

*/

class MSCPPluginEventHandler

    {	    

	public:

	/**

    * Used by plugins to retrieve a reference to the configuration object.

    */  

	virtual CSCPParamObject& GetParameters() = 0;

	/**

    * Used by plugins to retrieve a reference to the configuration object.

    */  	

	virtual TInt GetStoragePathL( TDes& aPath ) = 0;

	/**

    * Used to hash the given input buffer using MD5 to the output buffer.

    */  	

	virtual TInt HashInput( TDes& aInput, TDes& aOutput ) = 0;

	/**

    * Retrieves a reference to a connected File Server session

    */

    virtual RFs& GetFsSession() = 0;

	};

/**

*  The base class for SCP plugins

*/

class CSCPPlugin: public CBase

	{		

	public:  // Methods

        // Constructors and destructor                

        /**

        * Static constructor.

        */

   	    inline static CSCPPlugin* NewL( TDesC8& aResData );       

        /**

        * Destructor.

        */

        inline virtual ~CSCPPlugin();

        /**

        * Handles plugin events

        * @param aID The event ID

        * @param aParam The event parameters

        * @returns The parameter object identifying the actions taken.

        */

        virtual CSCPParamObject* HandleEvent( TInt aID, CSCPParamObject& aParam ) = 0;

        virtual void SetEventHandler( MSCPPluginEventHandler* aHandler ) = 0;

    protected:  // Methods

        // New Methods   

        /**

        * C++ default constructor.

        */

        inline CSCPPlugin();        

        // Methods from base classes       

    private: //Methods          

    private: // Data         

       /** ECOM instance identifier key */

       TUid iDtor_ID_Key; 

    };

#include "SCPPlugin.inl"

#endif      // SCPPLUGIN_H   

// End of File