src/pxdg.c

   1 /*
   2  * Copyright (C) 2010-2014 jeanfi@gmail.com
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <unistd.h>
  25
  26 #include <glib.h>
  27
  28 #include <pio.h>
  29 #include <plog.h>
  30
  31 static char *get_user_autostart_dir()
  32 {
  33         const char *xdg_cfg_dir;
  34
  35         xdg_cfg_dir = g_get_user_config_dir();
  36
  37         log_fct("g_user_config_dir(): %s", xdg_cfg_dir);
  38
  39         return path_append(xdg_cfg_dir, "autostart");
  40 }
  41
  42 static char *get_user_desktop_file()
  43 {
  44         char *dir, *path;
  45
  46         dir = get_user_autostart_dir();
  47         path = path_append(dir, "psensor.desktop");
  48
  49         free(dir);
  50
  51         return path;
  52 }
  53
  54 static const char *get_desktop_file()
  55 {
  56         return DATADIR"/applications/psensor.desktop";
  57 }
  58
  59 static int is_file_exists(const char *path)
  60 {
  61         struct stat st;
  62
  63         return stat(path, &st) == 0;
  64 }
  65
  66 static GKeyFile *get_key_file(const char *path)
  67 {
  68         GKeyFile *kfile;
  69         int ret;
  70
  71         kfile = g_key_file_new();
  72         ret = g_key_file_load_from_file(kfile,
  73                                         path,
  74                                         G_KEY_FILE_KEEP_COMMENTS
  75                                         | G_KEY_FILE_KEEP_TRANSLATIONS,
  76                                         NULL);
  77
  78         if (ret) {
  79                 return kfile;
  80         } else {
  81                 log_err("Failed to parse: %s", path);
  82
  83                 g_key_file_free(kfile);
  84                 return NULL;
  85         }
  86 }
  87
  88 static int is_user_desktop_autostarted(GKeyFile *f)
  89 {
  90         return (!g_key_file_has_key(f,
  91                                     G_KEY_FILE_DESKTOP_GROUP,
  92                                     "X-GNOME-Autostart-enabled",
  93                                     NULL))
  94                 || g_key_file_get_boolean(f,
  95                                           G_KEY_FILE_DESKTOP_GROUP,
  96                                           "X-GNOME-Autostart-enabled",
  97                                           NULL);
  98 }
  99
 100 int pxdg_is_autostarted()
 101 {
 102         char *user_desktop;
 103         unsigned int ret;
 104         GKeyFile *kfile;
 105
 106         log_fct_enter();
 107
 108         user_desktop = get_user_desktop_file();
 109
 110         log_fct("user desktop file: %s", user_desktop);
 111
 112         ret = is_file_exists(user_desktop);
 113
 114         if (!ret) {
 115                 log_fct("user desktop file does not exist.");
 116         } else {
 117                 log_fct("user desktop file exist.");
 118                 if (ret) {
 119                         kfile = get_key_file(user_desktop);
 120                         if (kfile)
 121                                 ret = is_user_desktop_autostarted(kfile);
 122                         else
 123                                 ret = -1;
 124                 }
 125                 g_key_file_free(kfile);
 126         }
 127
 128         free(user_desktop);
 129
 130         log_fct_exit();
 131
 132         return ret;
 133 }
 134
 135 void pxdg_set_autostart(unsigned int enable)
 136 {
 137         char *user_desktop, *data;
 138         GKeyFile *f;
 139
 140         log_fct_enter();
 141
 142         user_desktop = get_user_desktop_file();
 143
 144         log_fct("user desktop file: %s", user_desktop);
 145
 146         log_fct("desktop file: %s", get_desktop_file());
 147
 148         if (enable) {
 149                 if (!is_file_exists(user_desktop))
 150                         file_copy(get_desktop_file(), user_desktop);
 151
 152                 f = get_key_file(user_desktop);
 153                 if (f) {
 154                         if (g_key_file_has_key(f,
 155                                                G_KEY_FILE_DESKTOP_GROUP,
 156                                                "X-GNOME-Autostart-enabled",
 157                                                NULL))
 158                                 g_key_file_set_boolean
 159                                         (f,
 160                                          G_KEY_FILE_DESKTOP_GROUP,
 161                                          "X-GNOME-Autostart-enabled",
 162                                          TRUE);
 163                         data = g_key_file_to_data(f, NULL, NULL);
 164                         g_file_set_contents(user_desktop,
 165                                             data,
 166                                             -1,
 167                                             NULL);
 168
 169                         g_key_file_free(f);
 170                 }
 171         } else {
 172                 /* because X-GNOME-Autostart-enabled does not turn off
 173                  * autostart on all Desktop Envs. */
 174                 remove(user_desktop);
 175         }
 176
 177         log_fct_exit();
 178
 179         free(user_desktop);
 180 }