Initial commit.

src/widgets/playingwidget.h

@@ -0,0 +1,152 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#ifndef PLAYINGWIDGET_H
+#define PLAYINGWIDGET_H
+
+#include "config.h"
+
+#include <memory>
+
+#include <QWidget>
+
+#include "core/song.h"
+#include "covermanager/albumcoverloaderoptions.h"
+
+class AlbumCoverChoiceController;
+class Application;
+
+class QAction;
+class QActionGroup;
+class QMenu;
+class QMovie;
+class QSignalMapper;
+class QTextDocument;
+class QTimeLine;
+
+class PlayingWidget : public QWidget {
+  Q_OBJECT
+
+ public:
+  PlayingWidget(QWidget *parent = nullptr);
+  ~PlayingWidget();
+
+  static const char *kSettingsGroup;
+  static const int kPadding;
+  static const int kGradientHead;
+  static const int kGradientTail;
+  static const int kMaxCoverSize;
+  static const int kBottomOffset;
+  static const int kTopBorder;
+
+  // Values are saved in QSettings
+  enum Mode {
+    SmallSongDetails = 0,
+    LargeSongDetails = 1,
+  };
+
+  void SetApplication(Application *app);
+  void SetEnabled();
+  void SetDisabled();
+
+  void set_ideal_height(int height);
+
+  QSize sizeHint() const;
+
+signals:
+  void ShowAboveStatusBarChanged(bool above);
+
+public slots:
+  void Stopped();
+
+protected:
+  void paintEvent(QPaintEvent *e);
+  void resizeEvent(QResizeEvent*);
+  void contextMenuEvent(QContextMenuEvent *e);
+  void mouseReleaseEvent(QMouseEvent*);
+  void dragEnterEvent(QDragEnterEvent *e);
+  void dropEvent(QDropEvent *e);
+
+private slots:
+  void SetMode(int mode);
+  void FitCoverWidth(bool fit);
+
+  void AlbumArtLoaded(const Song &metadata, const QString &uri, const QImage &image);
+
+  void SetVisible(bool visible);
+  void SetHeight(int height);
+
+  void FadePreviousTrack(qreal value);
+
+  void LoadCoverFromFile();
+  void SaveCoverToFile();
+  void LoadCoverFromURL();
+  void SearchForCover();
+  void UnsetCover();
+  void ShowCover();
+  void SearchCoverAutomatically();
+  void AutomaticCoverSearchDone();
+
+ private:
+  void CreateModeAction(Mode mode, const QString &text, QActionGroup *group, QSignalMapper *mapper);
+  void UpdateDetailsText();
+  void UpdateHeight();
+  void DrawContents(QPainter *p);
+  void SetImage(const QImage &image);
+  void ScaleCover();
+  bool GetCoverAutomatically();
+
+private:
+  Application *app_;
+  AlbumCoverChoiceController *album_cover_choice_controller_;
+
+  Mode mode_;
+
+  QMenu *menu_;
+
+  QAction *fit_cover_width_action_;
+
+  bool enabled_;
+  bool visible_;
+  bool active_;
+
+  int small_ideal_height_;
+  AlbumCoverLoaderOptions cover_loader_options_;
+  int total_height_;
+  bool fit_width_;
+  QTimeLine *show_hide_animation_;
+  QTimeLine *fade_animation_;
+
+  // Information about the current track
+  Song metadata_;
+  QPixmap cover_;
+  // A copy of the original, unscaled album cover.
+  QImage original_;
+  QTextDocument *details_;
+
+  // Holds the last track while we're fading to the new track
+  QPixmap previous_track_;
+  qreal previous_track_opacity_;
+
+  std::unique_ptr<QMovie> spinner_animation_;
+  bool downloading_covers_;
+};
+
+#endif  // PLAYINGWIDGET_H