/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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: 

*

*/

#ifndef __ALFWINDOWFXPLUGIN_H__

#define __ALFWINDOWFXPLUGIN_H__

#include <e32base.h>

class CAlfWindowManager;

struct TWindowIdentifier;

class CAlfWindowFxPlugin: public CBase

    {

    public:

    /** 

    * 2nd phase constructor. Called by framework to complete construction of a plugin. 

    * Must have base call from deriving class to complete construction

    */

    IMPORT_C virtual void ConstructL(const CAlfWindowManager& aMgr, TInt aAlfBufferFormat);

    IMPORT_C ~CAlfWindowFxPlugin();

    // not mandatory to implement

	IMPORT_C virtual void DestroyWindow(const TWindowIdentifier& aId);

    IMPORT_C virtual void NewWindow(const TWindowIdentifier& aId);

    /** Synch message from client */    

    IMPORT_C virtual void HandleMessageL(const TDesC8& aMessage, TPtr8& aResponse);

    /** Asynch message from client */    

    IMPORT_C virtual void HandleMessageL(const TDesC8& aMessage, const RMessage2& aClientMessage);

    /** Cancel asynch message(s) from client */    

    IMPORT_C virtual void CancelMessage(TInt aMessageId);

    /**

    * Pure Virtuals

    */

    virtual void PrepareFrameL(TUint aEstimatedFrameInterval) = 0;

    virtual void WindowUpdated(TInt aWindowId, TInt aEventType) = 0;

    // utils

    IMPORT_C CAlfWindowManager* WindowManager();

    // For FW use

    TUint Priority(); 

    TUid* Identifier(); 

    private:

        class TAlfFxPluginData;

        TAlfFxPluginData* iData;

    };

#endif