imaging/imagingfws/ImageDisplay/inc_pub/icl/ImageDisplayPluginExt.h
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// This is the extension to the plugin API for the Image Display framework
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// 
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//
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#ifndef __IMAGEDISPLAYPLUGINEXT_H__
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#define __IMAGEDISPLAYPLUGINEXT_H__
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#include <e32base.h>
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/**
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This class should be derived by a plugin writer wishing to extend the client 
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API defined in CImageDisplay
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@publishedAll
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@released
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*/
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class MImageDisplayPluginExtension
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	{
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public:
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	/**
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	Get a Uid by which a plugin extension can be identified.
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	@return A Uid unique to the specific plugin extension
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	*/
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	virtual const TUid Uid() const = 0;
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	/**
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	  Can be called to indicate that extension is no longer needed
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	*/
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	virtual void Release() = 0;
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	};
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#endif // __IMAGEDISPLAYPLUGINEXT_H__