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
  12 #define ANY_MAIL    0x01
  13 #define UNREAD_MAIL 0x02
  14 #define NEW_MAIL    0x04
  15
  16 static guint timer = 0;
  17 static GtkWidget *mail = NULL;
  18
  19 static gint
  20 check_mail()
  21 {
  22         static off_t oldsize = 0;
  23         gchar *filename;
  24         off_t newsize;
  25         struct stat s;
  26         gint ret = 0;
  27
  28         filename = g_strdup(g_getenv("MAIL"));
  29         if (!filename)
  30                 filename = g_strconcat("/var/spool/mail/", g_get_user_name(), NULL);
  31
  32         if (g_stat(filename, &s) < 0) {
  33                 g_free(filename);
  34                 return -1;
  35         }
  36
  37         newsize = s.st_size;
  38         if (newsize) ret |= ANY_MAIL;
  39         if (s.st_mtime > s.st_atime && newsize) ret |= UNREAD_MAIL;
  40         if (newsize != oldsize && (ret & UNREAD_MAIL)) ret |= NEW_MAIL;
  41         oldsize = newsize;
  42
  43         g_free(filename);
  44
  45         return ret;
  46 }
  47
  48 static void
  49 destroy_cb()
  50 {
  51         mail = NULL;
  52 }
  53
  54 static gboolean
  55 check_timeout(gpointer data)
  56 {
  57         gint count = check_mail();
  58         PurpleBuddyList *list = purple_get_blist();
  59
  60         if (count == -1)
  61                 return FALSE;
  62
  63         if (!list || !PURPLE_IS_GTK_BLIST(list) || !(PIDGIN_BLIST(list)->vbox))
  64                 return TRUE;
  65
  66         if (!mail) {
  67                 /* guess we better build it then :P */
  68                 GtkWidget *vbox = PIDGIN_BLIST(list)->vbox;
  69
  70                 mail = gtk_label_new("No mail messages.");
  71                 gtk_box_pack_start(GTK_BOX(vbox), mail, FALSE, FALSE, 0);
  72                 gtk_box_reorder_child(GTK_BOX(vbox), mail, 1);
  73                 g_signal_connect(G_OBJECT(mail), "destroy", G_CALLBACK(destroy_cb), NULL);
  74                 gtk_widget_show(mail);
  75         }
  76
  77         if (count & NEW_MAIL)
  78                 purple_sound_play_event(PURPLE_SOUND_POUNCE_DEFAULT, NULL);
  79
  80         if (count & UNREAD_MAIL)
  81                 gtk_label_set_text(GTK_LABEL(mail), "You have new mail!");
  82         else if (count & ANY_MAIL)
  83                 gtk_label_set_text(GTK_LABEL(mail), "You have mail.");
  84         else
  85                 gtk_label_set_text(GTK_LABEL(mail), "No mail messages.");
  86
  87         return TRUE;
  88 }
  89
  90 static void
  91 signon_cb(PurpleConnection *gc)
  92 {
  93         PurpleBuddyList *list = purple_get_blist();
  94         if (list && PURPLE_IS_GTK_BLIST(list) && !timer) {
  95                 check_timeout(NULL); /* we want the box to be drawn immediately */
  96                 timer = purple_timeout_add_seconds(2, check_timeout, NULL);
  97         }
  98 }
  99
 100 static void
 101 signoff_cb(PurpleConnection *gc)
 102 {
 103         PurpleBuddyList *list = purple_get_blist();
 104         if ((!list || !PURPLE_IS_GTK_BLIST(list) || !PIDGIN_BLIST(list)->vbox) && timer) {
 105                 purple_timeout_remove(timer);
 106                 timer = 0;
 107         }
 108 }
 109
 110 /*
 111  *  EXPORTED FUNCTIONS
 112  */
 113
 114 static gboolean
 115 plugin_load(PurplePlugin *plugin)
 116 {
 117         PurpleBuddyList *list = purple_get_blist();
 118         void *conn_handle = purple_connections_get_handle();
 119
 120         if (!check_timeout(NULL)) {
 121                 purple_debug_warning("mailchk", "Could not read $MAIL or /var/spool/mail/$USER\n");
 122                 return FALSE;
 123         }
 124
 125         if (list && PURPLE_IS_GTK_BLIST(list) && PIDGIN_BLIST(list)->vbox)
 126                 timer = purple_timeout_add_seconds(2, check_timeout, NULL);
 127
 128         purple_signal_connect(conn_handle, "signed-on",
 129                                                 plugin, PURPLE_CALLBACK(signon_cb), NULL);
 130         purple_signal_connect(conn_handle, "signed-off",
 131                                                 plugin, PURPLE_CALLBACK(signoff_cb), NULL);
 132
 133         return TRUE;
 134 }
 135
 136 static gboolean
 137 plugin_unload(PurplePlugin *plugin)
 138 {
 139         if (timer)
 140                 purple_timeout_remove(timer);
 141         timer = 0;
 142         if (mail)
 143                 gtk_widget_destroy(mail);
 144         mail = NULL;
 145
 146         return TRUE;
 147 }
 148
 149 static PurplePluginInfo info =
 150 {
 151         PURPLE_PLUGIN_MAGIC,
 152         PURPLE_MAJOR_VERSION,
 153         PURPLE_MINOR_VERSION,
 154         PURPLE_PLUGIN_STANDARD,
 155         PIDGIN_PLUGIN_TYPE,
 156         0,
 157         NULL,
 158         PURPLE_PRIORITY_DEFAULT,
 159         MAILCHK_PLUGIN_ID,
 160         N_("Mail Checker"),
 161         DISPLAY_VERSION,
 162         N_("Checks for new local mail."),
 163         N_("Adds a small box to the buddy list that"
 164            " shows if you have new mail."),
 165         "Eric Warmenhoven <eric@warmenhoven.org>",
 166         PURPLE_WEBSITE,
 167         plugin_load,
 168         plugin_unload,
 169         NULL,
 170         NULL,
 171         NULL,
 172         NULL,
 173         NULL
 174 };
 175
 176 static void
 177 init_plugin(PurplePlugin *plugin)
 178 {
 179 }
 180
 181 PURPLE_INIT_PLUGIN(mailchk, init_plugin, info)