efax_controller.h

linux pritner GUI

/* Copyright (C) 2001 to 2004 Chris Vine

This program is distributed under the General Public Licence, version 2.
For particulars of this and relevant disclaimers see the file
COPYING distributed with the source files.

*/

#ifndef EFAX_CONTROLLER_H
#define EFAX_CONTROLLER_H

#include "prog_defs.h"

#include <string>
#include <vector>
#include <utility>

#include <unistd.h>
#include <sys/types.h>

#include <glibmm/dispatcher.h>

#include <sigc++/sigc++.h>

#include "pipes.h"


struct Fax_item {
  std::vector<std::string> file_list;
  std::string number;
  bool is_socket_file;
};


class EfaxController: public sigc::trackable {

  pid_t child_pid;
  int state;
  bool close_down;

  sigc::connection stdout_connection;

  Glib::Dispatcher fax_made_notify;
  Glib::Dispatcher no_fax_made_notify;
  std::vector<std::string> sendfax_parms_vec;
  Fax_item last_fax_item_sent;

  Pipe_fifo stdout_pipe;

  void clear_receive_dirname(void);
  void join_child(void);
  void unjoin_child(void);
  void kill_child(void);
  void save_sent_fax(void);
  void cleanup_fax_send_fail(void);
  std::vector<std::string> state_messages;
  void make_fax_thread(void);
  void init_sendfax_parms(void);
  std::pair<const char*, char* const*> get_sendfax_parms(void);
  void sendfax_slot(void);
  void no_fax_made_slot(void);
  std::pair<const char*, char* const*> get_gs_parms(const std::string&);
  std::pair<const char*, char* const*> get_receive_parms(int);
  void delete_parms(std::pair<const char*, char* const*>);

  // we don't want to permit copies of this class
  EfaxController(const EfaxController&);
  void operator=(const EfaxController&);
public:
  enum {inactive = 0, sending, receive_answer, receive_takeover, receive_standby, start_send_on_standby, send_on_standby};

  sigc::signal0<void> fax_received_notify;
  sigc::signal0<void> ready_to_quit_notify;
  sigc::signal1<void, const char*> stdout_message;
  sigc::signal1<void, const char*> write_state;
  sigc::signal1<void, const std::string&> remove_from_socket_server_filelist;

  void timer_event(void);
  void display_state(void) {write_state(state_messages[state].c_str());}
  int get_state(void) const {return state;}
  bool is_receiving_fax(void) const;

  bool read_pipe_slot(Glib::IOCondition);
  void stop_slot(void);

  void efax_closedown(void);
  void sendfax(const Fax_item&);
  void receive(int);
  EfaxController(void);
};

#endif