src/panels/information/mediawidget.h

   1 /*
   2   SPDX-FileCopyrightText: 2007 Matthias Kretz <kretz@kde.org>
   3
   4   SPDX-License-Identifier: GPL-2.0-or-later
   5 */
   6
   7 #ifndef MEDIAWIDGET_H
   8 #define MEDIAWIDGET_H
   9
  10 #include <QSize>
  11 #include <QSlider>
  12 #include <QUrl>
  13 #include <QWidget>
  14
  15 #include <QMediaPlayer>
  16
  17 class QMediaPlayer;
  18 class SeekSlider;
  19
  20 class EmbeddedVideoPlayer;
  21 class QToolButton;
  22 class QVBoxLayout;
  23
  24 class MediaWidget : public QWidget
  25 {
  26     Q_OBJECT
  27 public:
  28     enum MediaKind { Video, Audio };
  29
  30     explicit MediaWidget(QWidget *parent = nullptr);
  31
  32     void setUrl(const QUrl &url, MediaKind kind);
  33     QUrl url() const;
  34     void clearUrl();
  35
  36     void setVideoSize(const QSize &size);
  37     QSize videoSize() const;
  38     QMediaPlayer::PlaybackState state() const;
  39
  40     void setAutoPlay(bool autoPlay);
  41     bool eventFilter(QObject *object, QEvent *event) override;
  42
  43 Q_SIGNALS:
  44     /**
  45      * Is emitted whenever the video-state
  46      * has changed: If true is returned, a video
  47      * including control-buttons will be shown.
  48      * If false is returned, no video is shown
  49      * and the control-buttons are available for
  50      * audio only.
  51      */
  52     void hasVideoChanged(bool hasVideo);
  53
  54 public Q_SLOTS:
  55     void play();
  56
  57 protected:
  58     void showEvent(QShowEvent *event) override;
  59     void hideEvent(QHideEvent *event) override;
  60
  61 private Q_SLOTS:
  62     void stop();
  63     void finished();
  64     void setPosition(qint64 position);
  65     void onStateChanged(QMediaPlayer::PlaybackState newState);
  66     void onPositionChanged(qint64 position);
  67     void onDurationChanged(qint64 position);
  68
  69 private:
  70     void applyVideoSize();
  71     void togglePlayback();
  72     void initPlayer();
  73
  74     QUrl m_url;
  75     QSize m_videoSize;
  76
  77     QToolButton *m_playButton;
  78     QToolButton *m_pauseButton;
  79
  80     QVBoxLayout *m_topLayout;
  81     QMediaPlayer *m_player;
  82     QSlider *m_seekSlider;
  83     EmbeddedVideoPlayer *m_videoWidget;
  84     bool m_autoPlay;
  85     bool m_isVideo;
  86 };
  87
  88 #endif // MEDIAWIDGET_H