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