text: #pragma once
  
  // includes
  #include "PlaybackManager.h"
  #include "PlaylistWidget.h"
  #include "VisualizationBase.h"
  #include <AK/RefPtr.h>
  
  struct PlayerState {
      bool is_paused;
      bool is_stopped;
      bool has_loaded_file;
      bool is_looping_file;
      bool is_looping_playlist;
      int loaded_file_samplerate;
      double volume;
      Audio::ClientConnection& connection;
      PlaybackManager& manager;
      String loaded_filename;
  };
  
  class Player {
  public:
      explicit Player(PlayerState& state)
          : m_player_state(state) {};
      virtual void open_file(StringView path) = 0;
      virtual void play() = 0;
  
      PlayerState& get_player_state() { return m_player_state; }
      bool is_stopped() const { return m_player_state.is_stopped; }
      bool is_paused() const { return m_player_state.is_paused; }
      bool has_loaded_file() const { return m_player_state.has_loaded_file; }
      double volume() const { return m_player_state.volume; }
      bool looping() const { return m_player_state.is_looping_file; }
      bool looping_playlist() const { return m_player_state.is_looping_playlist; }
      const String& loaded_filename() { return m_player_state.loaded_filename; }
      int loaded_file_samplerate() { return m_player_state.loaded_file_samplerate; }
  
      virtual void set_stopped(bool stopped) { m_player_state.is_stopped = stopped; }
      virtual void set_paused(bool paused) { m_player_state.is_paused = paused; }
      virtual void set_has_loaded_file(bool loaded) { m_player_state.has_loaded_file = loaded; }
      virtual void set_volume(double volume)
      {
          m_player_state.volume = volume;
          client_connection().set_main_mix_volume((double)(volume * 100));
      }
      virtual void set_loaded_file_samplerate(int samplerate) { m_player_state.loaded_file_samplerate = samplerate; }
      virtual void set_looping_file(bool loop)
      {
          m_player_state.is_looping_file = loop;
      }
      virtual void set_looping_playlist(bool loop)
      {
          m_player_state.is_looping_playlist = loop;
      }
      virtual void set_loaded_filename(StringView& filename) { m_player_state.loaded_filename = filename; }
  
      Audio::ClientConnection& client_connection() { return m_player_state.connection; }
      PlaybackManager& manager() { return m_player_state.manager; }
  
  protected:
      virtual ~Player() = default;
  
      PlayerState m_player_state;
      RefPtr<PlaylistModel> m_playlist_model;
  };
  