williamr@2: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@2: // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: // which accompanies this distribution, and is available
williamr@2: // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: // This is the extension to the plugin API for the Image Display framework
williamr@2: // 
williamr@2: //
williamr@2: 
williamr@2: #ifndef __IMAGEDISPLAYPLUGINEXT_H__
williamr@2: #define __IMAGEDISPLAYPLUGINEXT_H__
williamr@2: 
williamr@2: #include <e32base.h>
williamr@2: 
williamr@2: /**
williamr@2: This class should be derived by a plugin writer wishing to extend the client 
williamr@2: API defined in CImageDisplay
williamr@2: 
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: class MImageDisplayPluginExtension
williamr@2: 	{
williamr@2: public:
williamr@2: 	
williamr@2: 	/**
williamr@2: 	Get a Uid by which a plugin extension can be identified.
williamr@2: 
williamr@2: 	@return A Uid unique to the specific plugin extension
williamr@2: 	*/
williamr@2: 	virtual const TUid Uid() const = 0;
williamr@2: 	/**
williamr@2: 	  Can be called to indicate that extension is no longer needed
williamr@2: 	*/
williamr@2: 	virtual void Release() = 0;
williamr@2: 	};
williamr@2: 
williamr@2: #endif // __IMAGEDISPLAYPLUGINEXT_H__