/*

* Copyright (c) 2008 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:  Base class for extension plug-in.

*

*/

#ifndef TELBUBBLEEXTENSION_H

#define TELBUBBLEEXTENSION_H

// INCLUDES

#include <e32base.h>

#include "telbubbleextensioninterface.h"

// CONSTANTS

// Constants used in ECOM implementation

const TUid KTelBubbleExtensionInterfaceUid    = { 0x102078F6 };

class MTelBubbleExtensionObserver;

class MTelBubbleExtensionData;

class CTelBubbleExtension : public CBase,

                            public MTelBubbleExtensionInterface

    {

public:

    /**

    * Two phase constructor

    *

    * @leave Uses Leave code KErrNotFound if implementation is not found.

    * @param aImplementationUid Implementation UID of the plugin to be

    *        created.

    */

    static CTelBubbleExtension* NewL(

        TUid aImplementationUid );

    /** Destructor */

    virtual inline ~CTelBubbleExtension();

    /**

     * Initialize plug-in. Called after NewL

     * @param aBubbles Interface for bubbles

     */

    virtual void InitializeL( MTelBubbleExtensionObserver& aBubbles ) = 0;

// from MTelBubbleExtensionInterface

    /**

     * Notifies that a new customizable bubble is available

     *

     * @param aCallData Reference to call data.

     */

    virtual void StartCustomizedBubble(

            MTelBubbleExtensionData& aCallData ) = 0;

    /**

     * Notifies that a customizable bubble has been removed

     *

     * @param aCallData Reference to call data.

     */

    virtual void StopCustomizedBubble(

            MTelBubbleExtensionData& aCallData ) = 0;

    /**

     * Indicates that currently bubble drawing is started.

     * Customizing is preferred to be done during this call.

     */

    virtual void BubbleUpdating() = 0;

private: // data

    /**

     * ECOM plugin instance UID.

     */

    TUid iDtor_ID_Key;

    };

#include "telbubbleextension.inl"

#endif // TELBUBBLEEXTENSION_H

// end of file