/*
 * Part of dc-qt, distributed under GPL, etc.
 */
#ifndef _PREVIEW_WIDGET_H_
#define _PREVIEW_WIDGET_H_

#include <qwidget.h>
#include <qstring.h>
#include <qmap.h>

class av_player;
class QLabel;
class QVBox;
class QLabel;
class QSlider;
class QPushButton;
class QListView;
class QListViewItem;
class QTimer;

class preview_widget : public QWidget
{
  Q_OBJECT

public:
  preview_widget(QWidget *parent=0, char *name=0);
  virtual ~preview_widget();

public slots:

  void slot_play_file(const QString &, const QString &);
  void slot_add_history_file(const QString &, const QString &);

  void slot_set_title(const QString &title);
  void slot_display_status_message(const QString &, int msec);

  // this is a hack... :(
  void slot_hide_mrls();

signals:


protected:
  
  // mapping from lv-items to abs. paths to files
  typedef QMap<QListViewItem *, QString> MRLMap;

  // Our audio/video player abstract class (aka pure interface).
  // It is also a widget for actual video playback.
  av_player *player;

  // buttons
  QPushButton *play;
  QPushButton *pause;
  QPushButton *stop;
  QPushButton *ffwd;
  QPushButton *rwnd;
  QPushButton *next;
  QPushButton *prev;
  QPushButton *fullscreen;
  QPushButton *open;

  // sliders
  QSlider *volume;
  QSlider *progress;

  // labels
  QLabel *title;
  QLabel *status;

  QString currentFile; // filename now playing
  QString currentTitle;// title of currently playing file
  QString status_str;  // status string

  QVBox *mrls_box;     // toolbox-style window for the mrl list
  QListView *mrls;     // list of items that we can play
  QListViewItem *mrls_finished;
  QListViewItem *mrls_incomplete;

  MRLMap files;     // mapping from list items to actual file names

  QTimer *status_timer;
  QTimer *progress_timer;

  bool is_seeking;

  // internal methods
  bool is_media_type(const QString &, const QStringList &) const;
  void add_mrl_to_list(const QString &title, const QString file, bool complete);
  void find_incomplete_items();
  void find_complete_items();

  virtual void hideEvent ( QHideEvent * e );

private slots:

  // player buttons
  void slot_play();
  void slot_stop();
  void slot_pause();
  void slot_ffwd();
  void slot_rwnd();
  void slot_next();
  void slot_prev();
  void slot_fullscreen();
  void slot_show_mrls();

  // sliders
  void slot_volume_slider_moved(int);
  void slot_volume_slider_released();
  void slot_progress_slider_moved(int);
  void slot_progress_slider_pressed();
  void slot_progress_slider_released();

  // mrl listview
  void slot_lv_onItem(QListViewItem *);
  void slot_lv_onViewport();
  void slot_lv_pressed(QListViewItem *);

  // status printing
  void slot_update_status();

  // progress bar auto-moving
  void slot_update_progress();
};


#endif