radiohswidget/src/radiohswidgetplugin.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 09:49:03 +0300
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/*
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* Copyright (c) 2010 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:  FM Radio home screen widget plugin
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*
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*/
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// System includes
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#include <qserviceinterfacedescriptor.h>
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#include <qabstractsecuritysession.h>
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#include <qservicecontext.h>
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// User includes
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#include "radiohswidgetplugin.h"
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#include "radiohswidget.h"
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// Constants
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/*! Home screen widget service interface name. */
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const QLatin1String HOME_SCREEN_WIDGET_INTERFACE_NAME(
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    "com.nokia.symbian.IHomeScreenWidget");
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/*!
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    \class RadioHsWidgetPlugin
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    \brief Implementats the home screen widget plugin.
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    RadioHsWidgetPlugin implements needed functions for creating instance of
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    RadioHsWidget.
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*/
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// ======== MEMBER FUNCTIONS ========
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/*!
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    Initialize plugin for FM Radio home screen widget. Contains necessary information about 
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    the RadioWidget that it can be loaded through QT Service Framework.
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    \returns Pointer to a new RadioHsWidget or to the NULL. 
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*/
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QObject *RadioHsWidgetPlugin::createInstance(const QServiceInterfaceDescriptor &descriptor,
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                                             QServiceContext *context,
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                                             QAbstractSecuritySession *session)
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{
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    Q_UNUSED(context);
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    Q_UNUSED(session);
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    // If descriptor interface name matches
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    if (descriptor.interfaceName() == HOME_SCREEN_WIDGET_INTERFACE_NAME) {
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        // Create and return new FM Radio home screen widget.
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        return new RadioHsWidget();
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    } else {
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        // Otherwise return NULL.
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        return NULL;
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    }
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}
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Q_EXPORT_PLUGIN2(fmradiohswidget, RadioHsWidgetPlugin)