/*

* 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:  Base class for all homescreen runtimes.

*

*/

#ifndef HSRUNTIME_H

#define HSRUNTIME_H

#include <QObject>

#include "hsruntimemodel_global.h"

/*! 

    \class HsRuntime

    \ingroup group_hsruntimemodel

    \brief Base class for all home screen runtimes.

    Provides the common functionality for all home screen runtime

    implementations.

*/

class HSRUNTIMEMODEL_EXPORT HsRuntime : public QObject

{

    Q_OBJECT

public:

    HsRuntime(QObject* aParent = 0) : QObject(aParent) {}

    virtual ~HsRuntime() {}

signals:

/*!

    Emitted when the runtime has started.         

*/

    void started();

/*!

    Emitted when the runtime has stopped.         

*/

    void stopped();

/*!

    Emitted when the runtime has faulted.         

*/

    void faulted();

public slots:

/*!

    Starts the runtime.         

*/

    virtual void start() = 0;

/*!

    Stops the runtime.         

*/

    virtual void stop() = 0;

private:

    Q_DISABLE_COPY(HsRuntime)

};

#endif