src/panels/information/informationpanelcontent.h

   1 /*
   2  * SPDX-FileCopyrightText: 2009-2010 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #ifndef INFORMATIONPANELCONTENT_H
   8 #define INFORMATIONPANELCONTENT_H
   9
  10 #include <KFileItem>
  11 #include <config-baloo.h>
  12
  13 #include <QPointer>
  14 #include <QUrl>
  15 #include <QWidget>
  16
  17 class KFileItemList;
  18 class PhononWidget;
  19 class PixmapViewer;
  20 class PlacesItemModel;
  21 class QPixmap;
  22 class QDialogButtonBox;
  23 class QString;
  24 class QLabel;
  25 class QScrollArea;
  26 class QGestureEvent;
  27
  28 namespace KIO {
  29   class PreviewJob;
  30 }
  31
  32 namespace Baloo {
  33     class FileMetaDataWidget;
  34 }
  35
  36 /**
  37  * @brief Manages the widgets that display the meta information
  38 *         for file items of the Information Panel.
  39  */
  40 class InformationPanelContent : public QWidget
  41 {
  42     Q_OBJECT
  43
  44 public:
  45     explicit InformationPanelContent(QWidget* parent = nullptr);
  46     ~InformationPanelContent() override;
  47
  48     /**
  49      * Shows the meta information for the item \p item.
  50      * The preview of the item is generated asynchronously,
  51      * the other meta information are fetched synchronously.
  52      */
  53     void showItem(const KFileItem& item);
  54
  55     /**
  56      * Shows the meta information for the items \p items and its preview
  57      */
  58     void showItems(const KFileItemList& items);
  59
  60     KFileItemList items();
  61
  62     /**
  63      * Refreshes the preview display, hiding it if needed
  64      */
  65     void refreshPreview();
  66
  67     /**
  68      * Switch the metadatawidget into configuration mode
  69      */
  70     void configureShownProperties();
  71
  72     /*
  73      * Set the auto play media mode for the file previewed
  74      * Eventually starting media playback when turning it on
  75      * But not stopping it when turning it off
  76      */
  77     void setPreviewAutoPlay(bool autoPlay);
  78
  79 signals:
  80     void urlActivated( const QUrl& url );
  81     void configurationFinished();
  82     void contextMenuRequested(const QPoint& pos);
  83
  84 public slots:
  85     /**
  86      * Is invoked after the file meta data configuration dialog has been
  87      * closed and refreshes the displayed meta data by the panel.
  88      */
  89     void refreshMetaData();
  90
  91 protected:
  92     /** @see QObject::eventFilter() */
  93     bool eventFilter(QObject* obj, QEvent* event) override;
  94
  95     bool event(QEvent * event) override;
  96
  97 private slots:
  98     /**
  99      * Is invoked if no preview is available for the item. In this
 100      * case the icon will be shown.
 101      */
 102     void showIcon(const KFileItem& item);
 103
 104     /**
 105      * Is invoked if a preview is available for the item. The preview
 106      * \a pixmap is shown inside the info page.
 107      */
 108     void showPreview(const KFileItem& item, const QPixmap& pixmap);
 109
 110     /**
 111      * Marks the currently shown preview as outdated
 112      * by greying the content.
 113      */
 114     void markOutdatedPreview();
 115
 116     void slotHasVideoChanged(bool hasVideo);
 117
 118 private:
 119     /**
 120      * Sets the text for the label \a m_nameLabel and assures that the
 121      * text is split in a way that it can be wrapped within the
 122      * label width (QLabel::setWordWrap() does not work if the
 123      * text represents one extremely long word).
 124      */
 125     void setNameLabelText(const QString& text);
 126
 127     /**
 128      * Adjusts the sizes of the widgets dependent on the available
 129      * width given by \p width.
 130      */
 131     void adjustWidgetSizes(int width);
 132
 133     /**
 134      * Refreshes the image in the PixmapViewer
 135      */
 136     void refreshPixmapView();
 137
 138     bool gestureEvent(QGestureEvent* event);
 139
 140 private:
 141     KFileItem m_item;
 142
 143     QPointer<KIO::PreviewJob> m_previewJob;
 144     QTimer* m_outdatedPreviewTimer;
 145
 146     PixmapViewer* m_preview;
 147     PhononWidget* m_phononWidget;
 148     QLabel* m_nameLabel;
 149     Baloo::FileMetaDataWidget* m_metaDataWidget;
 150     QScrollArea* m_metaDataArea;
 151     QLabel* m_configureLabel;
 152     QDialogButtonBox* m_configureButtons;
 153
 154     PlacesItemModel* m_placesItemModel;
 155     bool m_isVideo;
 156 };
 157
 158 #endif // INFORMATIONPANELCONTENT_H