File indexing completed on 2023-09-24 04:57:09

 /**
  * Copyright (C) 2004 Scott Wheeler <wheeler@kde.org>
  *
  * This program 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 2 of the License, or (at your option) any later
  * version.
  *
  * This program 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
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef NOWPLAYING_H
 #define NOWPLAYING_H
 
 #include <QLabel>
 #include <QList>
 #include <QWidget>
 
 #include "filehandle.h"
 #include "playlistinterface.h"
 
 class QTimer;
 class QPoint;
 
 class NowPlayingItem;
 class PlaylistCollection;
 class Playlist;
 
 /**
  * This is the widget that holds all of the other items and handles updating them
  * when the playing item changes.
  */
 
 class NowPlaying : public QWidget
 {
     Q_OBJECT
 
 public:
     NowPlaying(QWidget *parent, PlaylistCollection *collection);
     void addItem(NowPlayingItem *item);
     PlaylistCollection *collection() const;
 
 public slots:
     void slotUpdate(const FileHandle &file);
     void slotReloadCurrentItem();
 
 signals:
     void nowPlayingHidden();
 
 private:
     struct Observer final
     {
         Observer(NowPlaying *parent, PlaylistInterface *playlist)
         {
             connect(&playlist->signaller, &PlaylistInterfaceSignaller::playingItemDataChanged, parent, &NowPlaying::slotReloadCurrentItem);
         }
     };
 
     Observer m_observer;
     Observer m_collectionListObserver;
     PlaylistCollection *m_collection;
     QList<NowPlayingItem *> m_items;
     FileHandle m_file;
 };
 
 /**
  * Abstract base for the other NowPlaying items.
  */
 
 class NowPlayingItem
 {
 public:
     virtual ~NowPlayingItem() {}
     virtual void update(const FileHandle &file) = 0;
     NowPlaying *parentManager() const { return m_parent; }
 protected:
     NowPlayingItem(NowPlaying *parent) : m_parent(parent) { parent->addItem(this); }
 private:
     NowPlaying *m_parent;
 };
 
 /**
  * Displays the cover of the currently playing file if available, or hides
  * itself if not.
  */
 
 class CoverItem : public QLabel, public NowPlayingItem
 {
 public:
     explicit CoverItem(NowPlaying *parent);
     virtual void update(const FileHandle &file) override;
     virtual void mouseReleaseEvent(QMouseEvent *event) override;
 
 protected:
     virtual void dragEnterEvent(QDragEnterEvent *e) override;
     virtual void dropEvent(QDropEvent *e) override;
 
     virtual void mousePressEvent(QMouseEvent *e) override;
     virtual void mouseMoveEvent(QMouseEvent *e) override;
 
 private:
     FileHandle m_file;
     bool m_dragging;
     QPoint m_dragStart;
 };
 
 /**
  * Show the text information on the current track and provides links to the
  * album and artist of the currently playing item.
  */
 
 class TrackItem : public QWidget, public NowPlayingItem
 {
     Q_OBJECT
 
 public:
     explicit TrackItem(NowPlaying *parent);
     virtual void update(const FileHandle &file) override;
 
 private slots:
     void slotOpenLink(const QString &link);
     void slotUpdate();
     void slotClearShowMore();
 
 private:
     FileHandle m_file;
     QLabel *m_label;
 };
 
 #endif
 
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