/*

* Copyright (c) 2005 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:  Interface definition for Voice UI plug-in Handler

*

*/

#ifndef NSSVOICEUIPLUGINHANDLER_H

#define NSSVOICEUIPLUGINHANDLER_H

//  INCLUDES

#include <e32base.h>

#include <nssvoiceevent.h>

#include <nssvoiceuiplugin.h>

// CLASS DECLARATION

/**

*  Class for handling voiceUI plug-ins

*

*  @lib NssVoiceUIPluginHandler.lib

*  @since 3.1

*/

class CNssVoiceUIPluginHandler : public CBase, MVoiceEventExecutor

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CNssVoiceUIPluginHandler* NewL();

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CNssVoiceUIPluginHandler();

    public: // Functions from base classes

        /**

        * From MVoiceEventExecutor

        * @since 3.1

        * @param aEventUID UID of voice event

        * @return One of the system wide error codes, KErrNone if successful.

        */

        TInt VoiceEvent( TUid aEventUID ); 

    private:

        /**

        * C++ default constructor.

        */

        CNssVoiceUIPluginHandler();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Plug-in loading

        */

        void LoadPluginsL();

        /**

        * Plug-in unloading

        */

        void UnloadPlugins();

    private: // Data

        // Array for event plug-ins

        RPointerArray<CVoiceEventObserverPluginBase> iEventPlugins;

        // IDs in Ecom

        RArray<TUid> iEventPluginDtorIds;

        // Array for action plug-ins

        RPointerArray<CVoiceUiPluginBase> iActionPlugins;

        // IDs in Ecom

        RArray<TUid> iActionPluginDtorIds;

    };

#endif // NSSVOICEUIPLUGINHANDLER_H   

// End of File