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 of the licence, 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       return 0;
  87     }
  88
  89   if (!g_option_context_parse (context, &argc, &argv, &error))
  90     {
  91       show_help (context, error->message);
  92       g_error_free (error);
  93       return 1;
  94     }
  95
  96   if (argc != 2 && argc != 3)
  97     {
  98       show_help (context, _("Must specify a single mimetype, and maybe a handler"));
  99       return 1;
 100     }
 101
 102   g_option_context_free (context);
 103
 104   if (argc == 2)
 105     {
 106       GAppInfo *info;
 107
 108       mimetype = argv[1];
 109
 110       info = g_app_info_get_default_for_type (mimetype, FALSE);
 111       if (!info)
 112         {
 113           g_print (_("No default applications for “%s”\n"), mimetype);
 114         }
 115       else
 116         {
 117           GList *list, *l;
 118
 119           g_print (_("Default application for “%s”: %s\n"), mimetype, g_app_info_get_id (info));
 120           g_object_unref (info);
 121
 122           list = g_app_info_get_all_for_type (mimetype);
 123           if (list != NULL)
 124             g_print (_("Registered applications:\n"));
 125           else
 126             g_print (_("No registered applications\n"));
 127           for (l = list; l != NULL; l = l->next)
 128             {
 129               info = l->data;
 130               g_print ("\t%s\n", g_app_info_get_id (info));
 131               g_object_unref (info);
 132             }
 133           g_list_free (list);
 134
 135           list = g_app_info_get_recommended_for_type (mimetype);
 136           if (list != NULL)
 137             g_print (_("Recommended applications:\n"));
 138           else
 139             g_print (_("No recommended applications\n"));
 140           for (l = list; l != NULL; l = l->next)
 141             {
 142               info = l->data;
 143               g_print ("\t%s\n", g_app_info_get_id (info));
 144               g_object_unref (info);
 145             }
 146           g_list_free (list);
 147         }
 148     }
 149   else
 150     {
 151       GAppInfo *info;
 152
 153       mimetype = argv[1];
 154       handler = argv[2];
 155
 156       info = get_app_info_for_id (handler);
 157       if (info == NULL)
 158         {
 159           g_printerr (_("Failed to load info for handler “%s”\n"), handler);
 160           return 1;
 161         }
 162
 163       if (g_app_info_set_as_default_for_type (info, mimetype, &error) == FALSE)
 164         {
 165           g_printerr (_("Failed to set “%s” as the default handler for “%s”: %s\n"),
 166                       handler, mimetype, error->message);
 167           g_error_free (error);
 168           g_object_unref (info);
 169           return 1;
 170         }
 171       g_print ("Set %s as the default for %s\n", g_app_info_get_id (info), mimetype);
 172       g_object_unref (info);
 173     }
 174
 175   return 0;
 176 }