now_playing_component.h

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#ifndef NOW_PLAYING_COMPONENT
#define NOW_PLAYING_COMPONENT
 
#include <glibmm.h>
#include <gtkmm/builder.h>
#include <gtkmm/image.h>
#include <gtkmm/label.h>
#include <gtkmm/scale.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/button.h>
#include <gdkmm/pixbuf.h>
#include <sigc++/signal.h>
 
#include <discdb/disc.h>
 
#include "album_art/album_art_provider.h"
#include "component.h"

class NowPlayingComponent : public Component {
 
    public:

        enum State {
            Disabled,
            Cleared,
            Playing,
            Paused,
            Stopped
        };

        enum Button {
            Previous,
            PlayPause,
            Stop,
            Next
        };

        typedef sigc::signal<void(const Button)> sig_button;

        typedef sigc::signal<void(void)> sig_album_art;

        NowPlayingComponent(Glib::RefPtr<Gtk::Builder> builder);

        ~NowPlayingComponent();

        void set_track(const DiscDB::Disc& disc, unsigned int track, const bool first, const bool last);

        void set_state(const State state);

        State get_state() const;

        void set_seconds(const float seconds);

        void set_album(const std::string& url);
 
        sig_button signal_button();         
        sig_album_art signal_album_art();   
 
    private:
        State _state;                       
 
        Gtk::Button* _album_art_button;     
        Gtk::Image* _album_art_image;       
        Gtk::Label* _track_title_label;     
        Gtk::Label* _track_artist_label;    
        Gtk::Scale* _seek_scale;            
        Gtk::Button* _prev_button;          
        Gtk::Button* _play_pause_button;    
        Gtk::Button* _stop_button;          
        Gtk::Button* _next_button;          

        Gtk::Image* _play_pause_image;
 
        sig_button _signal_button;          
        sig_album_art _signal_album_art;    
 
        void on_prev_button_clicked();      
        void on_playpause_button_clicked(); 
        void on_stop_button_clicked();      
        void on_next_button_clicked();      
        void on_album_art_button_clicked(); 
};
 
#endif // NOW_PLAYING_COMPONENT