1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
;;; erc-notify.el --- Online status change notification -*- lexical-binding:t -*-
;; Copyright (C) 2002-2004, 2006-2019 Free Software Foundation, Inc.
;; Author: Mario Lang <mlang@lexx.delysid.org>
;; Keywords: comm
;; This file is part of GNU Emacs.
;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This module defines a new command, /NOTIFY
;; See the docstring of `erc-cmd-NOTIFY' for details.
;;; Code:
(require 'erc)
(require 'erc-networks)
(eval-when-compile (require 'pcomplete))
;;;; Customizable variables
(defgroup erc-notify nil
"Track online status of certain nicknames."
:group 'erc)
(defcustom erc-notify-list nil
"List of nicknames you want to be notified about online/offline
status change."
:group 'erc-notify
:type '(repeat string))
(defcustom erc-notify-interval 60
"Time interval (in seconds) for checking online status of notified
people."
:group 'erc-notify
:type 'integer)
(defcustom erc-notify-signon-hook nil
"Hook run after someone on `erc-notify-list' has signed on.
Two arguments are passed to the function, SERVER and NICK, both
strings."
:group 'erc-notify
:type 'hook
:options '(erc-notify-signon))
(defcustom erc-notify-signoff-hook nil
"Hook run after someone on `erc-notify-list' has signed off.
Two arguments are passed to the function, SERVER and NICK, both
strings."
:group 'erc-notify
:type 'hook
:options '(erc-notify-signoff))
(defun erc-notify-signon (server nick)
(message "%s signed on at %s" nick server))
(defun erc-notify-signoff (server nick)
(message "%s signed off from %s" nick server))
;;;; 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
(defun erc-notify-install-message-catalogs ()
(erc-define-catalog
'english
'((notify_current . "Notified people online: %l")
(notify_list . "Current notify list: %l")
(notify_on . "Detected %n on IRC network %m")
(notify_off . "%n has left IRC network %m"))))
;;;###autoload(autoload 'erc-notify-mode "erc-notify" nil t)
(define-erc-module notify nil
"Periodically check for the online status of certain users and report
changes."
((add-hook 'erc-timer-hook 'erc-notify-timer)
(add-hook 'erc-server-JOIN-functions 'erc-notify-JOIN)
(add-hook 'erc-server-NICK-functions 'erc-notify-NICK)
(add-hook 'erc-server-QUIT-functions 'erc-notify-QUIT))
((remove-hook 'erc-timer-hook 'erc-notify-timer)
(remove-hook 'erc-server-JOIN-functions 'erc-notify-JOIN)
(remove-hook 'erc-server-NICK-functions 'erc-notify-NICK)
(remove-hook 'erc-server-QUIT-functions 'erc-notify-QUIT)))
;;;; Timer handler
(defun erc-notify-timer (now)
(when (and erc-server-connected
erc-notify-list
(> (erc-time-diff
erc-last-ison-time now)
erc-notify-interval))
(erc-once-with-server-event
303
(lambda (proc parsed)
(let* ((server (erc-response.sender parsed))
(ison-list (delete "" (split-string
(erc-response.contents parsed))))
(new-list ison-list)
(old-list (erc-with-server-buffer erc-last-ison)))
(while new-list
(when (not (erc-member-ignore-case (car new-list) old-list))
(run-hook-with-args 'erc-notify-signon-hook server (car new-list))
(erc-display-message
parsed 'notice proc
'notify_on ?n (car new-list) ?m (erc-network-name)))
(setq new-list (cdr new-list)))
(while old-list
(when (not (erc-member-ignore-case (car old-list) ison-list))
(run-hook-with-args 'erc-notify-signoff-hook server (car old-list))
(erc-display-message
parsed 'notice proc
'notify_off ?n (car old-list) ?m (erc-network-name)))
(setq old-list (cdr old-list)))
(setq erc-last-ison ison-list)
t)))
(erc-server-send
(concat "ISON " (mapconcat 'identity erc-notify-list " ")))
(setq erc-last-ison-time now)))
(defun erc-notify-JOIN (proc parsed)
"Check if channel joiner is on `erc-notify-list' and not on `erc-last-ison'.
If this condition is satisfied, produce a notify_on message and add the nick
to `erc-last-ison' to prevent any further notifications."
(let ((nick (erc-extract-nick (erc-response.sender parsed))))
(when (and (erc-member-ignore-case nick erc-notify-list)
(not (erc-member-ignore-case nick erc-last-ison)))
(add-to-list 'erc-last-ison nick)
(run-hook-with-args 'erc-notify-signon-hook
(or erc-server-announced-name erc-session-server)
nick)
(erc-display-message
parsed 'notice proc
'notify_on ?n nick ?m (erc-network-name)))
nil))
(defun erc-notify-NICK (proc parsed)
"Check if new nick is on `erc-notify-list' and not on `erc-last-ison'.
If this condition is satisfied, produce a notify_on message and add the nick
to `erc-last-ison' to prevent any further notifications."
(let ((nick (erc-response.contents parsed)))
(when (and (erc-member-ignore-case nick erc-notify-list)
(not (erc-member-ignore-case nick erc-last-ison)))
(add-to-list 'erc-last-ison nick)
(run-hook-with-args 'erc-notify-signon-hook
(or erc-server-announced-name erc-session-server)
nick)
(erc-display-message
parsed 'notice proc
'notify_on ?n nick ?m (erc-network-name)))
nil))
(defun erc-notify-QUIT (proc parsed)
"Check if quitter is on `erc-notify-list' and on `erc-last-ison'.
If this condition is satisfied, produce a notify_off message and remove the
nick from `erc-last-ison' to prevent any further notifications."
(let ((nick (erc-extract-nick (erc-response.sender parsed))))
(when (and (erc-member-ignore-case nick erc-notify-list)
(erc-member-ignore-case nick erc-last-ison))
(setq erc-last-ison (erc-delete-if
(let ((nick-down (erc-downcase nick)))
(lambda (el)
(string= nick-down (erc-downcase el))))
erc-last-ison))
(run-hook-with-args 'erc-notify-signoff-hook
(or erc-server-announced-name erc-session-server)
nick)
(erc-display-message
parsed 'notice proc
'notify_off ?n nick ?m (erc-network-name)))
nil))
;;;; User level command
;;;###autoload
(defun erc-cmd-NOTIFY (&rest args)
"Change `erc-notify-list' or list current notify-list members online.
Without args, list the current list of notified people online,
with args, toggle notify status of people."
(cond
((null args)
;; Print current notified people (online)
(let ((ison (erc-with-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))))
((string= (car args) "-l")
(erc-display-message nil 'notice 'active
'notify_list ?l (mapconcat 'identity erc-notify-list
" ")))
(t
(while args
(if (erc-member-ignore-case (car args) erc-notify-list)
(progn
(setq erc-notify-list (delete (car args) erc-notify-list))
;; Remove the nick from the value of erc-last-ison in
;; every server buffer. This prevents seeing a signoff
;; notification for a nick that you have just _removed_
;; from your notify list.
(dolist (buf (erc-buffer-list))
(with-current-buffer buf
(if (erc-server-buffer-p)
(setq erc-last-ison (delete (car args) erc-last-ison))))))
(setq erc-notify-list (cons (erc-string-no-properties (car args))
erc-notify-list)))
(setq args (cdr args)))
(erc-display-message
nil 'notice 'active
'notify_list ?l (mapconcat 'identity erc-notify-list " "))))
t)
(autoload 'pcomplete-erc-all-nicks "erc-pcomplete")
;; "--" is not a typo.
(declare-function pcomplete--here "pcomplete"
(&optional form stub paring form-only))
;;;###autoload
(defun pcomplete/erc-mode/NOTIFY ()
(require 'pcomplete)
(pcomplete-here (pcomplete-erc-all-nicks)))
(erc-notify-install-message-catalogs)
(provide 'erc-notify)
;;; erc-notify.el ends here
;;
;; Local Variables:
;; generated-autoload-file: "erc-loaddefs.el"
;; indent-tabs-mode: t
;; tab-width: 8
;; End:
|
