pidgin/plugins/mailchk.c

   1 #include "internal.h"
   2
   3 #include "debug.h"
   4 #include "sound.h"
   5 #include "version.h"
   6
   7 #include "gtkblist.h"
   8 #include "gtkplugin.h"
   9
  10 #define MAILCHK_PLUGIN_ID      "gtk-mailchk"
  11 #define MAILCHK_PLUGIN_DOMAIN  (g_quark_from_static_string(MAILCHK_PLUGIN_ID))
  12
  13 #define ANY_MAIL    0x01
  14 #define UNREAD_MAIL 0x02
  15 #define NEW_MAIL    0x04
  16
  17 static guint timer = 0;
  18 static GtkWidget *mail = NULL;
  19
  20 static gint
  21 check_mail()
  22 {
  23         static off_t oldsize = 0;
  24         gchar *filename;
  25         off_t newsize;
  26         GStatBuf st;
  27         gint ret = 0;
  28
  29         filename = g_strdup(g_getenv("MAIL"));
  30         if (!filename)
  31                 filename = g_strconcat("/var/spool/mail/", g_get_user_name(), NULL);
  32
  33         if (g_stat(filename, &st) < 0) {
  34                 g_free(filename);
  35                 return -1;
  36         }
  37
  38         newsize = st.st_size;
  39         if (newsize) ret |= ANY_MAIL;
  40         if (st.st_mtime > st.st_atime && newsize) ret |= UNREAD_MAIL;
  41         if (newsize != oldsize && (ret & UNREAD_MAIL)) ret |= NEW_MAIL;
  42         oldsize = newsize;
  43
  44         g_free(filename);
  45
  46         return ret;
  47 }
  48
  49 static void
  50 destroy_cb()
  51 {
  52         mail = NULL;
  53 }
  54
  55 static gboolean
  56 check_timeout(gpointer data)
  57 {
  58         gint count = check_mail();
  59         PurpleBuddyList *list = purple_blist_get_buddy_list();
  60
  61         if (count == -1)
  62                 return FALSE;
  63
  64         if (!list || !(PIDGIN_BLIST(list)->vbox))
  65                 return TRUE;
  66
  67         if (!mail) {
  68                 /* guess we better build it then :P */
  69                 GtkWidget *vbox = PIDGIN_BLIST(list)->vbox;
  70
  71                 mail = gtk_label_new("No mail messages.");
  72                 gtk_box_pack_start(GTK_BOX(vbox), mail, FALSE, FALSE, 0);
  73                 gtk_box_reorder_child(GTK_BOX(vbox), mail, 1);
  74                 g_signal_connect(G_OBJECT(mail), "destroy", G_CALLBACK(destroy_cb), NULL);
  75                 gtk_widget_show(mail);
  76         }
  77
  78         if (count & NEW_MAIL)
  79                 purple_sound_play_event(PURPLE_SOUND_POUNCE_DEFAULT, NULL);
  80
  81         if (count & UNREAD_MAIL)
  82                 gtk_label_set_text(GTK_LABEL(mail), "You have new mail!");
  83         else if (count & ANY_MAIL)
  84                 gtk_label_set_text(GTK_LABEL(mail), "You have mail.");
  85         else
  86                 gtk_label_set_text(GTK_LABEL(mail), "No mail messages.");
  87
  88         return TRUE;
  89 }
  90
  91 static void
  92 signon_cb(PurpleConnection *gc)
  93 {
  94         PurpleBuddyList *list = purple_blist_get_buddy_list();
  95         if (list && !timer) {
  96                 check_timeout(NULL); /* we want the box to be drawn immediately */
  97                 timer = purple_timeout_add_seconds(2, check_timeout, NULL);
  98         }
  99 }
 100
 101 static void
 102 signoff_cb(PurpleConnection *gc)
 103 {
 104         PurpleBuddyList *list = purple_blist_get_buddy_list();
 105         if ((!list || !PIDGIN_BLIST(list)->vbox) && timer) {
 106                 purple_timeout_remove(timer);
 107                 timer = 0;
 108         }
 109 }
 110
 111 /*
 112  *  EXPORTED FUNCTIONS
 113  */
 114
 115 static PidginPluginInfo *
 116 plugin_query(GError **error)
 117 {
 118         const gchar * const authors[] = {
 119                 "Eric Warmenhoven <eric@warmenhoven.org>",
 120                 NULL
 121         };
 122
 123         return pidgin_plugin_info_new(
 124                 "id",           MAILCHK_PLUGIN_ID,
 125                 "name",         N_("Mail Checker"),
 126                 "version",      DISPLAY_VERSION,
 127                 "category",     N_("Utility"),
 128                 "summary",      N_("Checks for new local mail."),
 129                 "description",  N_("Adds a small box to the buddy list that shows if "
 130                                    "you have new mail."),
 131                 "authors",      authors,
 132                 "website",      PURPLE_WEBSITE,
 133                 "abi-version",  PURPLE_ABI_VERSION,
 134                 NULL
 135         );
 136 }
 137
 138 static gboolean
 139 plugin_load(PurplePlugin *plugin, GError **error)
 140 {
 141         PurpleBuddyList *list = purple_blist_get_buddy_list();
 142         void *conn_handle = purple_connections_get_handle();
 143
 144         if (!check_timeout(NULL)) {
 145                 g_set_error(error, MAILCHK_PLUGIN_DOMAIN, 0, _("Could not read $MAIL "
 146                                 "or /var/spool/mail/$USER\n"));
 147                 return FALSE;
 148         }
 149
 150         if (list && PIDGIN_BLIST(list)->vbox)
 151                 timer = purple_timeout_add_seconds(2, check_timeout, NULL);
 152
 153         purple_signal_connect(conn_handle, "signed-on",
 154                                                 plugin, PURPLE_CALLBACK(signon_cb), NULL);
 155         purple_signal_connect(conn_handle, "signed-off",
 156                                                 plugin, PURPLE_CALLBACK(signoff_cb), NULL);
 157
 158         return TRUE;
 159 }
 160
 161 static gboolean
 162 plugin_unload(PurplePlugin *plugin, GError **error)
 163 {
 164         if (timer)
 165                 purple_timeout_remove(timer);
 166         timer = 0;
 167         if (mail)
 168                 gtk_widget_destroy(mail);
 169         mail = NULL;
 170
 171         return TRUE;
 172 }
 173
 174 PURPLE_PLUGIN_INIT(mailchk, plugin_query, plugin_load, plugin_unload);