/*

 * 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:   VideoCollectionViewPlugin class definition

 * 

 */

#ifndef VIDEOVIEWPLUGIN_H

#define VIDEOVIEWPLUGIN_H

#include <mpxviewpluginqt.h>

class VideoCollectionUiLoader;

class VideoListView;

class VideoServices;

class VideoCollectionViewPlugin: public MpxViewPlugin

{

    Q_OBJECT

public: // Constructor / destructor

    /**

     * Contructor.

     *

     */

    VideoCollectionViewPlugin();

    /**

     * Destructor.

     *

     */

    virtual ~VideoCollectionViewPlugin();

public: // from QViewPlugin

    /**

     * Allocates view and it's objects to be ready to 

     * be activated.

     *

     */

    void createView();

    /**

     * Deallocates view and it's objects.

     */

    void destroyView();

    /**

     * Activates view

     *

     */

    void activateView();

    /**

     * Deactivates view

     *

     */

    void deactivateView();

    /**

     * Returns a pointer to the view

     *

     * @return QGraphicsWidget*

     */

    QGraphicsWidget* getView();

signals:

    /**

     * Command signal, plugin user should connect this in case it wants

     * to receive commands emitted from the view.

     *

     * @param command id

     */

    void command(int);

    /**

     * Signaled to do delayed loading of components not loaded initially at start up phase

     *

     */

    void doDelayeds();

public slots: // from QViewPlugin

    /**

     * Plugin user can notify orientation changes by connecting into this slot

     * to it's signal. In normal cases, view handles orientation chages itself.

     *

     * @param orientation new orientation

     */

    void orientationChange(Qt::Orientation orientation);

    /**

     * Plugin user can notify oback button changes by connecting into this slot

     *

     */

    void back();

private slots:

    /**

     * Gets notified when view is ready.

     */

    void viewReadySlot();

private:

    /** from QObject */

    void timerEvent(QTimerEvent *event); 

private:

    // async loading timeout

    static const int DELAYED_LOAD_TIMEOUT = 500; // ms

    /** timer id */

    int mTimerId;

    /**

     * docml ui loader, owned

     */

    VideoCollectionUiLoader *mUiLoader;

    /**

     * View object, owned

     */

    VideoListView *mView;

    /**

     * Activated flag. Set as true when view is properly activated.

     * If flag is false, no operations can be do to the view.

     */

    bool mActivated;

	/*

	 * Video service object.

	 *

	 */

    VideoServices *mVideoServices;

};

#endif  // VIDEOVIEWPLUGIN_H

// End of File