/* gtkmm example Copyright (C) 2016 gtkmm development team
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <https://www.gnu.org/licenses/>.
 */

#include "exampleapplication.h"
#include "exampleappwindow.h"

ExampleApplication::ExampleApplication()
: Gtk::Application("org.gtkmm.examples.application", Gio::APPLICATION_HANDLES_OPEN)
{
}

Glib::RefPtr<ExampleApplication> ExampleApplication::create()
{
  return Glib::RefPtr<ExampleApplication>(new ExampleApplication());
}

ExampleAppWindow* ExampleApplication::create_appwindow()
{
  auto appwindow = new ExampleAppWindow();

  // Make sure that the application runs for as long this window is still open.
  add_window(*appwindow);

  // Gtk::Application::add_window() connects a signal handler to the window's
  // signal_hide(). That handler removes the window from the application.
  // If it's the last window to be removed, the application stops running.
  // Gtk::Window::set_application() does not connect a signal handler, but is
  // otherwise equivalent to Gtk::Application::add_window().

  // Delete the window when it is hidden.
  appwindow->signal_hide().connect(sigc::bind<Gtk::Window*>(sigc::mem_fun(*this,
    &ExampleApplication::on_hide_window), appwindow));

  return appwindow;
}

void ExampleApplication::on_activate()
{
  // The application has been started, so let's show a window.
  auto appwindow = create_appwindow();
  appwindow->present();
}

void ExampleApplication::on_open(const Gio::Application::type_vec_files& files,
  const Glib::ustring& /* hint */)
{
  // The application has been asked to open some files,
  // so let's open a new view for each one.
  ExampleAppWindow* appwindow = nullptr;
  auto windows = get_windows();
  if (windows.size() > 0)
    appwindow = dynamic_cast<ExampleAppWindow*>(windows[0]);

  if (!appwindow)
    appwindow = create_appwindow();

  for (const auto& file : files)
    appwindow->open_file_view(file);

  appwindow->present();
}

void ExampleApplication::on_hide_window(Gtk::Window* window)
{
  delete window;
}
