pidgin/plugins/relnot.c

   1 /*
   2  * Release Notification Plugin
   3  *
   4  * Copyright (C) 2003, Nathan Walp <faceprint@faceprint.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19  * 02111-1301, USA.
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include "internal.h"
  27
  28 #include <string.h>
  29
  30 #include "connection.h"
  31 #include "core.h"
  32 #include "debug.h"
  33 #include "gtkblist.h"
  34 #include "gtkplugin.h"
  35 #include "gtkutils.h"
  36 #include "http.h"
  37 #include "notify.h"
  38 #include "pidginicon.h"
  39 #include "prefs.h"
  40 #include "util.h"
  41 #include "version.h"
  42
  43 #include "pidgin.h"
  44
  45 /* 1 day */
  46 #define MIN_CHECK_INTERVAL 60 * 60 * 24
  47
  48 static void
  49 release_hide()
  50 {
  51         /* No-op.  We may use this method in the future to avoid showing
  52          * the popup twice */
  53 }
  54
  55 static void
  56 release_show()
  57 {
  58         purple_notify_uri(NULL, PURPLE_WEBSITE);
  59 }
  60
  61 static void version_fetch_cb(PurpleHttpConnection *hc,
  62         PurpleHttpResponse *response, gpointer user_data)
  63 {
  64         gchar *cur_ver;
  65         const char *changelog;
  66         GtkWidget *release_dialog;
  67
  68         GString *message;
  69         int i = 0;
  70
  71         if(!purple_http_response_is_successful(response))
  72                 return;
  73
  74         changelog = purple_http_response_get_data(response, NULL);
  75
  76         while(changelog[i] && changelog[i] != '\n') i++;
  77
  78         /* this basically means the version thing wasn't in the format we were
  79          * looking for so sourceforge is probably having web server issues, and
  80          * we should try again later */
  81         if(i == 0)
  82                 return;
  83
  84         cur_ver = g_strndup(changelog, i);
  85
  86         message = g_string_new("");
  87         g_string_append_printf(message, _("You can upgrade to %s %s today."),
  88                         PIDGIN_NAME, cur_ver);
  89
  90         release_dialog = pidgin_make_mini_dialog(
  91                 NULL, "dialog-information",
  92                 _("New Version Available"),
  93                 message->str,
  94                 NULL,
  95                 _("Later"), PURPLE_CALLBACK(release_hide),
  96                 _("Download Now"), PURPLE_CALLBACK(release_show),
  97                 NULL);
  98
  99         pidgin_blist_add_alert(release_dialog);
 100
 101         g_string_free(message, TRUE);
 102         g_free(cur_ver);
 103 }
 104
 105 static void
 106 do_check(void)
 107 {
 108         int last_check = purple_prefs_get_int("/plugins/gtk/relnot/last_check");
 109         if(!last_check || time(NULL) - last_check > MIN_CHECK_INTERVAL) {
 110                 gchar *url;
 111                 const char *host = "pidgin.im";
 112
 113                 url = g_strdup_printf("https://%s/version.php?version=%s&build=%s",
 114                                 host,
 115                                 purple_core_get_version(),
 116 #ifdef _WIN32
 117                                 "purple-win32"
 118 #else
 119                                 "purple"
 120 #endif
 121                 );
 122
 123                 purple_http_get(NULL, version_fetch_cb, NULL, url);
 124
 125                 g_free(url);
 126
 127                 purple_prefs_set_int("/plugins/gtk/relnot/last_check", time(NULL));
 128
 129         }
 130 }
 131
 132 static void
 133 signed_on_cb(PurpleConnection *gc, void *data) {
 134         do_check();
 135 }
 136
 137 /**************************************************************************
 138  * Plugin stuff
 139  **************************************************************************/
 140 static PidginPluginInfo *
 141 plugin_query(GError **error)
 142 {
 143         const gchar * const authors[] = {
 144                 "Nathan Walp <faceprint@faceprint.com>",
 145                 NULL
 146         };
 147
 148         return pidgin_plugin_info_new(
 149                 "id",           "gtk-relnot",
 150                 "name",         N_("Release Notification"),
 151                 "version",      DISPLAY_VERSION,
 152                 "category",     N_("Notification"),
 153                 "summary",      N_("Checks periodically for new releases."),
 154                 "description",  N_("Checks periodically for new releases and notifies "
 155                                    "the user with the ChangeLog."),
 156                 "authors",      authors,
 157                 "website",      PURPLE_WEBSITE,
 158                 "abi-version",  PURPLE_ABI_VERSION,
 159                 NULL
 160         );
 161 }
 162
 163 static gboolean
 164 plugin_load(PurplePlugin *plugin, GError **error)
 165 {
 166         purple_prefs_add_none("/plugins/gtk/relnot");
 167         purple_prefs_add_int("/plugins/gtk/relnot/last_check", 0);
 168
 169         purple_signal_connect(purple_connections_get_handle(), "signed-on",
 170                                                 plugin, PURPLE_CALLBACK(signed_on_cb), NULL);
 171
 172         /* we don't check if we're offline */
 173         if(purple_connections_get_all())
 174                 do_check();
 175
 176         return TRUE;
 177 }
 178
 179 static gboolean
 180 plugin_unload(PurplePlugin *plugin, GError **error)
 181 {
 182         return TRUE;
 183 }
 184
 185 PURPLE_PLUGIN_INIT(relnot, plugin_query, plugin_load, plugin_unload);