1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Server-side base-classes for graphic drawer plugins

    15 // 

    16 //

    17 

    18 #ifndef __WSPLUGIN_H__

    19 #define __WSPLUGIN_H__

    20 

    21 #include <e32base.h>

    22 #include <e32std.h>

    23 

    24 #include <graphics/wsgraphicdrawerinterface.h>

    25 

    26 /**

    27 Window Server interface to the Window Server plugin API.

    28 

    29 @publishedPartner

    30 @prototype

    31 */

    32 class CWsPlugin : public CBase, public MWsObjectProvider

    33 	{

    34 private:

    35 	class CPimpl;

    36 	friend class CPimpl;

    37 

    38 public:

    39 	/**

    40 	This function should be overriden by all derived classes.  The first

    41 	call the implementation of this function should make is to BaseConstructL().

    42 	@param aEnv 	the environment this drawer exists in

    43 	@param aData 	arbitrary data for constructing this instance, sent from

    44 					the client.

    45 	*/

    46 	virtual void ConstructL(MWsGraphicDrawerEnvironment& aEnv,const TDesC8& aData) = 0;

    47 	IMPORT_C ~CWsPlugin();

    48 	IMPORT_C virtual const TDesC & PluginName() const;

    49 

    50 	static TInt DtorIDKeyOffset() { return _FOFF(CWsPlugin,iDtor_ID_Key); }

    51 	

    52 protected:

    53 	IMPORT_C CWsPlugin();

    54 	IMPORT_C void BaseConstructL(MWsGraphicDrawerEnvironment& aEnv);

    55 	IMPORT_C MWsGraphicDrawerEnvironment& Env();

    56 	IMPORT_C const MWsGraphicDrawerEnvironment& Env() const;

    57 

    58 private:

    59 	CWsPlugin(const CWsPlugin &); // no implementation

    60 	CWsPlugin & operator=(const CWsPlugin &); // no implementation

    61 	

    62 private:

    63 	TUid iDtor_ID_Key;

    64 	CPimpl* iPimpl;

    65 	};

    66 

    67 

    68 #endif //#ifndef __WSPLUGIN_H__