/*

 * Copyright (c) 2003-2009 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 "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 

 @publishedPartner

 @released

 */

 #ifndef __CAFHELPER_H__

 #define __CAFHELPER_H__

 #include <e32base.h>

 #include <f32file.h>

 namespace ContentAccess

 	{

 	//forward declaration

 	class MCAFHelperInterface;

 	/**

 	 CAF client application can use this class to load cafhelper.dll and get access to entry function pointer

 	 of the dll,using which the appropriate error handling APIs can be called.

 	 @publishedPartner

 	 @released

 	 */

 	NONSHARABLE_CLASS(CCAFHelper) : public CBase

 		{

 	public:

 		/** 

 		 Constructs a new CCAFHelper object.

 		 @return 		A pointer to an instance of CCAFHelper class.

 		 @capability	All -TCB. 

 		 */

 		IMPORT_C static CCAFHelper* NewL();

 		/** 

 		 Constructs a new CCAFHelper object and puts a pointer to the new object 

 	 	 onto the cleanup stack..

 		 @return		A pointer to an instance of CCAFHelper class.

 		 @capability	All -TCB. 

 		 */

 		IMPORT_C static CCAFHelper* NewLC();

 		/**

 		Accessor method which returns an entry point function pointer of cafhelper.dll,

 		using which the error handling APIs can be accessed.

 		@return		Reference to an instance of MCafHelperInterface class.

 		@capability	All -TCB. 

 		*/

 		IMPORT_C MCAFHelperInterface& operator()() const;

 		// virtual destructor.		

 		virtual ~CCAFHelper(); 

 		private:

 		CCAFHelper();

 		void ConstructL();

 		private:

 		RLibrary iLibrary;

 		MCAFHelperInterface* iHelper;

 		};

 	} // namespace ContentAccess

 #endif // __CAFHELPER_H__