videocollection/videofiledetailsview/inc/videofiledetailsviewplugin.h
author hgs
Thu, 01 Apr 2010 23:32:44 +0300
changeset 35 3738fe97f027
parent 34 bbb98528c666
child 36 8aed59de29f9
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:   VideoFileDetailsViewPlugin class definition
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*
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*/
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#ifndef VIDEOFILEDETAILSPLUGIN_H
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#define VIDEOFILEDETAILSPLUGIN_H
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// INCLUDES
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#include <qobject.h>
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#include <mpxviewpluginqt.h>
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#include <hbdocumentloader.h>
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#include <qpixmap.h>
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#include <mpxitemid.h>
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class VideoSortFilterProxyModel;
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class QModelIndex;
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class HbAction;
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class HbMarqueeItem;
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class ThumbnailManager;
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class VideoServices;
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class VideoCollectionWrapper;
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class VideoDetailsLabel;
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class VideoFileDetailsViewPlugin : 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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    VideoFileDetailsViewPlugin();
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    /**
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     * Destructor.
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     *
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     */
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    virtual ~VideoFileDetailsViewPlugin();
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public: // from QViewPlugin
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    /**
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     * Initializes view creation.
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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 read from the XML
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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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     * Signals the URI of the current video to VideoServices
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     *
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     * @param URI of the video
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     */
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    void fileUri(const QString&);
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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 back 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 slots:
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    /**
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     * Signaled when attach button is clicked, only when started as a service.
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	 * Gets the URI of the current video
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     *
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     */
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	void getFileUri();
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    /**
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     * Signaled when short details are ready.
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     *
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     * @param id Mpx id of the clip, needed when getting the data from model.
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     */
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    void shortDetailsReadySlot(TMPXItemId id);
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    /**
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     * Signaled when full details are ready.
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     *
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     * @param id Mpx id of the clip, needed when getting the data from model.
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     */
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    void fullDetailsReadySlot(TMPXItemId id);
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    /**
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     * Slot that receives signal from play button to start playback.
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     */
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    void startPlaybackSlot();
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    /**
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     * Slot that receives signal from send button
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     */
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    void sendVideoSlot();
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    /**
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     * Slot that receives signal from delete button
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     */
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    void deleteVideoSlot();
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    /**
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     * Slot that receives signal when video(s) removed.
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     * If video to be removed is the one whose details
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     * are visible, this view is deactivated and collection
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     * list view is put back on.
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     *
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     * @param parent parent item index (not used at the moment)
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     * @param first first item to remove
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     * @param last last item to remove
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     */
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    void rowsRemovedSlot(const QModelIndex &parent, int first, int last);
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    /**
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     * Slot is connected into videocollection wrapper's asyncStatus -signal
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     *
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     * Handles possible collection error; usually by just showing error msg
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     *
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     * @param errorCode error code
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     * @param additional additional data gotten from the error
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     */
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    void handleErrorSlot(int errorCode, QVariant &additional);
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    /**
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     * Slot that is connected to thumbnailReady signal in tnwrapper, which
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     * signals when thumbnail loading has been completed.
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     *
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     * @param pixmap     An object representing the resulting thumbnail.
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     * @param clientData Client data
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     * @param id         Request ID for the operation
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     * @param errorCode  error code
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     */
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    void thumbnailReadySlot(QPixmap pixmap, void * clientData, int id, int errorCode);
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private:
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    /**
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     * Signaled for one item deletion.
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     *
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     */
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    void deleteItem(QModelIndex index);
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    /**
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     * Starts fetching the large thumbnail with tnwrapper.
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     */
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    void startFetchingThumbnail();
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    /**
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     * Gets the play icon for thumbnail.
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     */
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    const QPixmap &playIcon();
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    /**
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     * Finds and return the widget from document loader with the given name. Casts
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     * to templated type.
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     *
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     * @param name Name of the widget
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     * @return The widget.
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     */
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    template<class T>
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    T* findWidget(QString name);
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    template<class T>
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    T* findObject(QString name);
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private:
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    /**
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     * Document loader that holds the view object
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     */
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    HbDocumentLoader mLoader;
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    /**
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     * Pointer to the model that holds video details. Not owned.
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     */
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    VideoSortFilterProxyModel* mModel;
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    /**
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     * pointer to videoservices instance
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     */
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    VideoServices* mVideoServices;
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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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     * Boolean for knowing when the app was started as a service.
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     */
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    bool mIsService;
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    /**
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     * Mpx id of the video clip.
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     */
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    TMPXItemId mVideoId;
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    /**
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     * Index of the clip to be deleted in the proxy model.
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     */
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    int mDeletedIndex;
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    /**
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     * Previously loaded orientation.
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     */
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    Qt::Orientation mPreviousOrietation;
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	/**
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     * Navigation softkey action object for back.
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     */
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	HbAction *mNavKeyBackAction;
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    /**
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     * Title animation widget
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     */
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    HbMarqueeItem *mTitleAnim;
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    /**
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     * Thumbnail label
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     */
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    VideoDetailsLabel *mThumbLabel;
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    /**
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     * Thumbnail manager.
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     */
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    ThumbnailManager* mThumbnailManager;
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    /**
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     * Collection wrapper.
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     */
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    VideoCollectionWrapper &mCollectionWrapper;
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    /**
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     * Play icon with transparent background.
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     */
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    QPixmap mPlayIcon;
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    };
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#endif  // VIDEOFILEDETAILSPLUGIN_H
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// End of File