videocollection/videocollectionview/inc/videocollectionviewplugin.h
author hgs
Thu, 01 Apr 2010 23:32:44 +0300
changeset 35 3738fe97f027
parent 34 bbb98528c666
child 37 4eb2df7f7cbe
permissions -rw-r--r--
201011
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/*
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 * Copyright (c) 2009 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:   VideoCollectionViewPlugin class definition
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 * 
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 */
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#ifndef VIDEOVIEWPLUGIN_H
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#define VIDEOVIEWPLUGIN_H
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#include <mpxviewpluginqt.h>
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class VideoCollectionUiLoader;
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class VideoListView;
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class VideoCollectionViewPlugin: public MpxViewPlugin
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{
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    Q_OBJECT
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public: // Constructor / destructor
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    /**
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     * Contructor.
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     *
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     */
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    VideoCollectionViewPlugin();
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    /**
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     * Destructor.
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     *
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     */
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    virtual ~VideoCollectionViewPlugin();
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public: // from QViewPlugin
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    /**
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     * Allocates view and it's objects to be ready to 
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     * be activated.
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     *
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     */
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    void createView();
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    /**
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     * Deallocates view and it's objects.
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     */
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    void destroyView();
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    /**
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     * Activates view
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     *
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     */
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    void activateView();
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    /**
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     * Deactivates view
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     *
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     */
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    void deactivateView();
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    /**
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     * Returns a pointer to the view
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     *
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     * @return QGraphicsWidget*
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     */
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    QGraphicsWidget* getView();
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signals:
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    /**
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     * Command signal, plugin user shoulf connect this in case it wants
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     * to receive commands emitted from the view.
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     *
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     * @param command id
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     */
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    void command(int);
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    /**
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     * Signaled to do delayed loading of components not loaded initially at start up phase
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     *
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     */
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    void doDelayeds();
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public slots: // from QViewPlugin
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    /**
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     * Plugin user can notify orientation changes by connecting into this slot
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     * ti it's signal. In normal cases, view handles orientation chages itself.
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     *
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     * @param orientation new orientation
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     */
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    void orientationChange(Qt::Orientation orientation);
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    /**
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     * Plugin user can notify oback button changes by connecting into this slot
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     *
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     */
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    void back();
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private:
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    /** from QObject */
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    void timerEvent(QTimerEvent *event); 
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private:
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    // async loading timeout
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    static const int DELAYED_LOAD_TIMEOUT = 4000; // ms
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    /** timer id */
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    int mTimerId;
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    /**
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     * docml ui loader, owned
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     */
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    VideoCollectionUiLoader *mUiLoader;
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    /**
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     * View object, owned
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     */
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    VideoListView *mView;
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    /**
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     * Activated flag. Set as true when view is properly activated.
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     * If flag is false, no operations can be do to the view.
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     */
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    bool mActivated;
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	/*
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	 * Service mode flag. True if started as a service, otherwise false.
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	 *
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	 */
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    bool mIsService;
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};
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#endif  // VIDEOVIEWPLUGIN_H
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// End of File