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|
;;; erc-notify.el --- Online status change notification
;; Copyright (C) 2002 Mario Lang
;; Author: Mario Lang <mlang@lexx.delysid.org>
;; Keywords: comm
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; This module defines a new command, /NOTIFY
;;; Code:
(require 'erc)
;;;; Customizable variables
(defcustom erc-notify-list nil
"*List of nicknames you want to be notificated about online/offline status change."
:group 'erc
:type '(repeat string))
(defcustom erc-notify-by-userhost t
"not implemented"
:group 'erc
:type 'boolean)
(defcustom erc-notify-interval 60
"*Time interval (in seconds) for checking online status of notificated
people."
:group 'erc
:type 'integer)
;;;; Internal variables
(defvar erc-last-ison nil
"Last ISON information received through erc-notify-timer.")
(make-variable-buffer-local 'erc-last-ison)
(defvar erc-last-ison-time 0
"Last time ISON was sent to the server in `erc-notify-timer'.")
(make-variable-buffer-local 'erc-last-ison-time)
;;;; Setup
(erc-define-catalog
'english
'((notify_current . "Notificated people online: %l")
(notify_list . "Current notify list: %l")
(notify_on . "Detected %n on IRC")
(notify_off . "%n left IRC")))
(add-hook 'erc-timer-hook 'erc-notify-timer)
;;;; Timer handler
(defun erc-notify-timer (now)
(when (and erc-notify-list
(> (erc-time-diff
erc-last-ison-time now)
erc-notify-interval))
(erc-once-with-server-event 303
(let* ((ison-list (split-string (aref parsed 3)))
(new-list ison-list)
(old-list erc-last-ison))
(while new-list
(when (not (member (car new-list) old-list))
(erc-display-message
parsed 'notice (process-buffer proc)
'notify_on ?n (car new-list)))
(setq new-list (cdr new-list)))
(while old-list
(when (not (member (car old-list) ison-list))
(erc-display-message
parsed 'notice (process-buffer proc)
'notify_off ?n (car old-list)))
(setq old-list (cdr old-list)))
(setq erc-last-ison ison-list)
t))
(erc-send-command (concat "ISON " (mapconcat 'identity erc-notify-list " ")))
(setq erc-last-ison-time now)))
;;;; User level command
(defun erc-cmd-NOTIFY (line &optional force)
"Change notify-list or list current notify-list members online.
Without args, list the current list of notificated people online,
with args, toggle notify status of people."
(cond
((string-match "^\\s-*$" line)
;; Print current notificated people (online)
(let ((ison (with-current-buffer (erc-server-buffer) erc-last-ison)))
(if (not ison)
(erc-display-message
nil 'notice 'active "No ison-list yet!")
(erc-display-message
nil 'notice 'active
'notify_current ?l ison)))
t)
(t
(let ((args (split-string line)))
(while args
(if (member (car args) erc-notify-list)
(setq erc-notify-list (delete (car args) erc-notify-list))
(setq erc-notify-list (cons (car args) erc-notify-list)))
(setq args (cdr args)))
(erc-display-message
nil 'notice 'active
'notify_list ?l (mapconcat 'identity erc-notify-list " "))
t))))
(provide 'erc-notify)
;;; erc-notify.el ends here
|
