/*

 * Copyright 2015 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, see <http://www.gnu.org/licenses/>.

 *

 * Author: Matthias Clasen <mclasen@redhat.com>

 */

#include "config.h"

#include <gio/gio.h>

#if defined(G_OS_UNIX) && !defined(HAVE_COCOA)

#include <gio/gdesktopappinfo.h>

#endif

#include <gi18n.h>

#include "gio-tool.h"

static const GOptionEntry entries[] = {

  { NULL }

};

#if defined(G_OS_UNIX) && !defined(HAVE_COCOA)

static gboolean

get_bus_name_and_path_from_uri (const char *uri,

                                char **bus_name_out,

                                char **object_path_out)

{

  GAppInfo *app_info = NULL;

  char *bus_name = NULL;

  char *object_path = NULL;

  char *uri_scheme;

  const char *filename;

  char *basename = NULL;

  char *p;

  gboolean got_name = FALSE;

  uri_scheme = g_uri_parse_scheme (uri);

  if (uri_scheme && uri_scheme[0] != '\0')

    app_info = g_app_info_get_default_for_uri_scheme (uri_scheme);

  g_free (uri_scheme);

  if (app_info == NULL)

    {

      GFile *file;

      file = g_file_new_for_uri (uri);

      app_info = g_file_query_default_handler (file, NULL, NULL);

      g_object_unref (file);

    }

  if (app_info == NULL || !G_IS_DESKTOP_APP_INFO (app_info) ||

      !g_desktop_app_info_get_boolean (G_DESKTOP_APP_INFO (app_info), "DBusActivatable"))

    goto out;

  filename = g_desktop_app_info_get_filename (G_DESKTOP_APP_INFO (app_info));

  if (filename == NULL)

    goto out;

  basename = g_path_get_basename (filename);

  if (!g_str_has_suffix (basename, ".desktop"))

    goto out;

  basename[strlen (basename) - strlen (".desktop")] = '\0';

  if (!g_dbus_is_name (basename))

    goto out;

  bus_name = g_strdup (basename);

  object_path = g_strdup_printf ("/%s", bus_name);

  for (p = object_path; *p != '\0'; p++)

    if (*p == '.')

      *p = '/';

  *bus_name_out = g_steal_pointer (&bus_name);

  *object_path_out = g_steal_pointer (&object_path);

  got_name = TRUE;

out:

  g_clear_object (&app_info);

  g_clear_pointer (&basename, g_free);

  return got_name;

}

#endif

int

handle_open (int argc, char *argv[], gboolean do_help)

{

  GOptionContext *context;

  gchar *param;

  GError *error = NULL;

  int i;

  gboolean success;

  gboolean res;

  g_set_prgname ("gio open");

  /* Translators: commandline placeholder */

  param = g_strdup_printf ("%s...", _("LOCATION"));

  context = g_option_context_new (param);

  g_free (param);

  g_option_context_set_help_enabled (context, FALSE);

  g_option_context_set_summary (context,

      _("Open files with the default application that\n"

        "is registered to handle files of this type."));

  g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);

  if (do_help)

    {

      show_help (context, NULL);

      g_option_context_free (context);

      return 0;

    }

  if (!g_option_context_parse (context, &argc, &argv, &error))

    {

      show_help (context, error->message);

      g_error_free (error);

      g_option_context_free (context);

      return 1;

    }

  if (argc < 2)

    {

      show_help (context, _("No locations given"));

      g_option_context_free (context);

      return 1;

    }

  g_option_context_free (context);

  success = TRUE;

  for (i = 1; i < argc; i++)

    {

      char *uri = NULL;

      char *uri_scheme;

      /* Workaround to handle non-URI locations. We still use the original

       * location for other cases, because GFile might modify the URI in ways

       * we don't want. See:

       * https://bugzilla.gnome.org/show_bug.cgi?id=779182 */

      uri_scheme = g_uri_parse_scheme (argv[i]);

      if (!uri_scheme || uri_scheme[0] == '\0')

        {

          GFile *file;

          file = g_file_new_for_commandline_arg (argv[i]);

          uri = g_file_get_uri (file);

          g_object_unref (file);

        }

      g_free (uri_scheme);

      res = g_app_info_launch_default_for_uri (uri ? uri : argv[i], NULL, &error);

      if (!res)

	{

          print_error ("%s: %s", uri ? uri : argv[i], error->message);

	  g_clear_error (&error);

	  success = FALSE;

	}

#if defined(G_OS_UNIX) && !defined(HAVE_COCOA)

      /* FIXME: This chunk of madness is a workaround for a dbus-daemon bug.

       * See https://bugzilla.gnome.org/show_bug.cgi?id=780296

       */

      if (res)

        {

          char *bus_name = NULL;

          char *object_path = NULL;

          if (get_bus_name_and_path_from_uri (uri ? uri : argv[i], &bus_name, &object_path))

            {

              GDBusConnection *connection;

              connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);

              if (connection)

                g_dbus_connection_call_sync (connection,

                                             bus_name,

                                             object_path,

                                             "org.freedesktop.DBus.Peer",

                                             "Ping",

                                             NULL, NULL,

                                             G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL);

              g_clear_object (&connection);

              g_free (bus_name);

              g_free (object_path);

            }

        }

#endif

      g_free (uri);

    }

  return success ? 0 : 2;

}