sl@0: /*
sl@0: * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /** 
sl@0: @file 
sl@0: 
sl@0: @publishedPartner
sl@0: @released
sl@0: */
sl@0: 
sl@0: #ifndef __CAFHELPER_H__
sl@0: #define __CAFHELPER_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <f32file.h>
sl@0: 
sl@0: namespace ContentAccess
sl@0: 	{
sl@0: 	//forward declaration
sl@0: 	class MCAFHelperInterface;
sl@0: 	
sl@0: 	/**
sl@0: 	 CAF client application can use this class to load cafhelper.dll and get access to entry function pointer
sl@0: 	 of the dll,using which the appropriate error handling APIs can be called.
sl@0: 
sl@0: 	 @publishedPartner
sl@0: 	 @released
sl@0: 	 */
sl@0: 	 	
sl@0: 	NONSHARABLE_CLASS(CCAFHelper) : public CBase
sl@0: 		{
sl@0: 	public:
sl@0: 		
sl@0: 		/** 
sl@0: 		 Constructs a new CCAFHelper object.
sl@0: 		 
sl@0: 		 @return 		A pointer to an instance of CCAFHelper class.
sl@0: 		 @capability	All -TCB. 
sl@0: 		 */
sl@0: 		 
sl@0: 		IMPORT_C static CCAFHelper* NewL();
sl@0: 		
sl@0: 		/** 
sl@0: 		 Constructs a new CCAFHelper object and puts a pointer to the new object 
sl@0: 	 	 onto the cleanup stack..
sl@0: 		 
sl@0: 		 @return		A pointer to an instance of CCAFHelper class.
sl@0: 		 @capability	All -TCB. 
sl@0: 		 */
sl@0: 		 
sl@0: 		IMPORT_C static CCAFHelper* NewLC();
sl@0: 		
sl@0: 		/**
sl@0: 		Accessor method which returns an entry point function pointer of cafhelper.dll,
sl@0: 		using which the error handling APIs can be accessed.
sl@0: 		
sl@0: 		@return		Reference to an instance of MCafHelperInterface class.
sl@0: 		@capability	All -TCB. 
sl@0: 		*/
sl@0: 		
sl@0: 		IMPORT_C MCAFHelperInterface& operator()() const;
sl@0: 		
sl@0: 		// virtual destructor.		
sl@0: 		virtual ~CCAFHelper(); 
sl@0: 		
sl@0: 			
sl@0: 		private:
sl@0: 		
sl@0: 		CCAFHelper();
sl@0: 		void ConstructL();
sl@0: 		
sl@0: 		private:
sl@0: 		
sl@0: 		RLibrary iLibrary;
sl@0: 		MCAFHelperInterface* iHelper;
sl@0: 		};
sl@0: 
sl@0: 	} // namespace ContentAccess
sl@0: 	
sl@0: #endif // __CAFHELPER_H__
sl@0: