bluetooth_component.h

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 #ifndef BLUETOOTH_COMPONENT_H
#define BLUETOOTH_COMPONENT_H
 
#include <filesystem>
#include <fstream>
#include <vector>
#include <string>
#include <regex>
 
#include <glibmm.h>
#include <gtkmm/builder.h>
#include <gtkmm/button.h>
#include <gtkmm/label.h>
#include <gtkmm/treeview.h>
#include <gtkmm/treemodel.h>
#include <gtkmm/liststore.h>
#include <sigc++/signal.h>
 
#include <bluez/adapter.h>
 
#include "component.h"

class BluetoothComponent : public Component {
 
    public:
        typedef sigc::signal<void()> sig_done;

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

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

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

        ~BluetoothComponent();
 
        void on_show(); 
        void on_hide(); 

        void on_device_initialization_complete(const bool initialized);
 
        sig_button signal_button();     
        sig_done signal_done();         
        sig_conn signal_connected();    
 
    private:

        enum DeviceInitialization {
            NotInitialized,
            Initialized,
            Error
        };

        class DevicesListColumnRecord : public Gtk::TreeModel::ColumnRecord {
            public:
                DevicesListColumnRecord() {
                    this->add(this->address_column);
                    this->add(this->name_column);
                }
 
                Gtk::TreeModelColumn<Glib::ustring> address_column; 
                Gtk::TreeModelColumn<Glib::ustring> name_column;    
        };
 
        sig_button _signal_button;                          
        sig_conn _signal_connected;                         
        sig_done _signal_done;                              
 
        Bluez::Adapter _adapter;                            
        std::string _alsa_device_address;                   
        Bluez::Device* _alsa_device;                        
 
        Gtk::Button* _bluetooth_button;                     
 
        Gtk::Label* _device_label;                          
        Gtk::Label* _device_status_label;                   
        Gtk::TreeView* _devices_tree_view;                  
        Glib::RefPtr<Gtk::ListStore> _devices_list_store;   
        Gtk::Button* _done_button;                          
        Gtk::Button* _connect_button;                       
 
        DeviceInitialization _alsa_device_init;             
 
        void on_bluetooth_button();                         
        void on_done_button_clicked();                      
        void on_device_added(const std::string& address);   
        void on_device_removed(const std::string& address); 
        void on_devices_list_selection_changed();           
        void on_connect_button_clicked();                   
 
        void on_device_status_change();                     
 
        void build_devices_list();                          
        void get_alsa_device_address();                     
        void try_get_alsa_device();                         
        void set_device_labels();                           

        void update_asoundrc(const std::string& address);
 
};
 
#endif // BLUETOOTH_COMPONENT_H