gio/gio-tool-mime.c

   1 /*
   2  * Copyright 2015 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Author: Matthias Clasen <mclasen@redhat.com>
  18  */
  19
  20 #include "config.h"
  21
  22 #include <gio/gio.h>
  23 #include <gi18n.h>
  24 #include <locale.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28 #include <errno.h>
  29
  30 #include "gio-tool.h"
  31
  32 static const GOptionEntry entries[] = {
  33   { NULL }
  34 };
  35
  36 static GAppInfo *
  37 get_app_info_for_id (const char *id)
  38 {
  39   GList *list, *l;
  40   GAppInfo *ret_info;
  41
  42   list = g_app_info_get_all ();
  43   ret_info = NULL;
  44   for (l = list; l != NULL; l = l->next)
  45     {
  46       GAppInfo *info;
  47
  48       info = l->data;
  49       if (ret_info == NULL && g_strcmp0 (g_app_info_get_id (info), id) == 0)
  50         ret_info = info;
  51       else
  52         g_object_unref (info);
  53     }
  54   g_list_free (list);
  55
  56   return ret_info;
  57 }
  58
  59 int
  60 handle_mime (int argc, char *argv[], gboolean do_help)
  61 {
  62   GOptionContext *context;
  63   GError *error = NULL;
  64   gchar *param;
  65   const gchar *mimetype;
  66   const char *handler;
  67
  68   g_set_prgname ("gio mime");
  69
  70   /* Translators: commandline placeholder */
  71   param = g_strdup_printf ("%s [%s]", _("MIMETYPE"), _("HANDLER"));
  72   context = g_option_context_new (param);
  73   g_free (param);
  74   g_option_context_set_help_enabled (context, FALSE);
  75   g_option_context_set_summary (context,
  76       _("Get or set the handler for a mimetype."));
  77   g_option_context_set_description (context,
  78       _("If no handler is given, lists registered and recommended applications\n"
  79         "for the mimetype. If a handler is given, it is set as the default\n"
  80         "handler for the mimetype."));
  81   g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
  82
  83   if (do_help)
  84     {
  85       show_help (context, NULL);
  86       g_option_context_free (context);
  87       return 0;
  88     }
  89
  90   if (!g_option_context_parse (context, &argc, &argv, &error))
  91     {
  92       show_help (context, error->message);
  93       g_error_free (error);
  94       g_option_context_free (context);
  95       return 1;
  96     }
  97
  98   if (argc != 2 && argc != 3)
  99     {
 100       show_help (context, _("Must specify a single mimetype, and maybe a handler"));
 101       g_option_context_free (context);
 102       return 1;
 103     }
 104
 105   g_option_context_free (context);
 106
 107   if (argc == 2)
 108     {
 109       GAppInfo *info;
 110
 111       mimetype = argv[1];
 112
 113       info = g_app_info_get_default_for_type (mimetype, FALSE);
 114       if (!info)
 115         {
 116           g_print (_("No default applications for “%s”\n"), mimetype);
 117         }
 118       else
 119         {
 120           GList *list, *l;
 121
 122           g_print (_("Default application for “%s”: %s\n"), mimetype, g_app_info_get_id (info));
 123           g_object_unref (info);
 124
 125           list = g_app_info_get_all_for_type (mimetype);
 126           if (list != NULL)
 127             g_print (_("Registered applications:\n"));
 128           else
 129             g_print (_("No registered applications\n"));
 130           for (l = list; l != NULL; l = l->next)
 131             {
 132               info = l->data;
 133               g_print ("\t%s\n", g_app_info_get_id (info));
 134               g_object_unref (info);
 135             }
 136           g_list_free (list);
 137
 138           list = g_app_info_get_recommended_for_type (mimetype);
 139           if (list != NULL)
 140             g_print (_("Recommended applications:\n"));
 141           else
 142             g_print (_("No recommended applications\n"));
 143           for (l = list; l != NULL; l = l->next)
 144             {
 145               info = l->data;
 146               g_print ("\t%s\n", g_app_info_get_id (info));
 147               g_object_unref (info);
 148             }
 149           g_list_free (list);
 150         }
 151     }
 152   else
 153     {
 154       GAppInfo *info;
 155
 156       mimetype = argv[1];
 157       handler = argv[2];
 158
 159       info = get_app_info_for_id (handler);
 160       if (info == NULL)
 161         {
 162           print_error (_("Failed to load info for handler “%s”"), handler);
 163           return 1;
 164         }
 165
 166       if (g_app_info_set_as_default_for_type (info, mimetype, &error) == FALSE)
 167         {
 168           print_error (_("Failed to set “%s” as the default handler for “%s”: %s\n"),
 169                        handler, mimetype, error->message);
 170           g_error_free (error);
 171           g_object_unref (info);
 172           return 1;
 173         }
 174       g_print ("Set %s as the default for %s\n", g_app_info_get_id (info), mimetype);
 175       g_object_unref (info);
 176     }
 177
 178   return 0;
 179 }