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;;; jabber-autoaway.el --- change status to away after idleness
;; Copyright (C) 2010 - Kirill A. Korinskiy - catap@catap.ru
;; Copyright (C) 2010 - Terechkov Evgenii - evg@altlinux.org
;; Copyright (C) 2006, 2008 Magnus Henoch
;; Author: Magnus Henoch <mange@freemail.hu>
;; 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., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
(eval-when-compile (require 'cl))
(require 'time-date)
(defgroup jabber-autoaway nil
"Change status to away after idleness"
:group 'jabber)
(defcustom jabber-autoaway-methods
(if (fboundp 'jabber-autoaway-method)
(list jabber-autoaway-method)
(list 'jabber-current-idle-time
'jabber-xprintidle-get-idle-time
'jabber-termatime-get-idle-time))
"Methods used to keep track of idleness.
This is a list of functions that takes no arguments, and returns the
number of seconds since the user was active, or nil on error."
:group 'jabber-autoaway
:options '(jabber-current-idle-time
jabber-xprintidle-get-idle-time
jabber-termatime-get-idle-time))
(defcustom jabber-autoaway-timeout 5
"Minutes of inactivity before changing status to away"
:group 'jabber-autoaway
:type 'number)
(defcustom jabber-autoaway-xa-timeout 10
"Minutes of inactivity before changing status to xa. Set to 0 to disable."
:group 'jabber-autoaway
:type 'number)
(defcustom jabber-autoaway-status "Idle"
"Status string for autoaway"
:group 'jabber-autoaway
:type 'string)
(defcustom jabber-autoaway-xa-status "Extended away"
"Status string for autoaway in xa state"
:group 'jabber-autoaway
:type 'string)
(defcustom jabber-autoaway-priority nil
"Priority for autoaway.
If nil, don't change priority. See the manual for more
information about priority."
:group 'jabber-autoaway
:type '(choice (const :tag "Don't change")
(integer :tag "Priority"))
:link '(info-link "(jabber)Presence"))
(defcustom jabber-autoaway-xa-priority nil
"Priority for autoaway in xa state.
If nil, don't change priority. See the manual for more
information about priority."
:group 'jabber-autoaway
:type '(choice (const :tag "Don't change")
(integer :tag "Priority"))
:link '(info-link "(jabber)Presence"))
(defcustom jabber-xprintidle-program (executable-find "xprintidle")
"Name of the xprintidle program"
:group 'jabber-autoaway
:type 'string)
(defcustom jabber-autoaway-verbose nil
"If nil, don't print autoaway status messages."
:group 'jabber-autoaway
:type 'boolean)
(defvar jabber-autoaway-timer nil)
(defvar jabber-autoaway-last-idle-time nil
"Seconds of idle time the last time we checked.
This is used to detect whether the user has become unidle.")
(defun jabber-autoaway-message (&rest args)
(when jabber-autoaway-verbose
(apply #'message args)))
;;;###autoload
(defun jabber-autoaway-start (&optional ignored)
"Start autoaway timer.
The IGNORED argument is there so you can put this function in
`jabber-post-connect-hooks'."
(interactive)
(unless jabber-autoaway-timer
(setq jabber-autoaway-timer
(run-with-timer (* jabber-autoaway-timeout 60) nil #'jabber-autoaway-timer))
(jabber-autoaway-message "Autoaway timer started")))
(defun jabber-autoaway-stop ()
"Stop autoaway timer."
(interactive)
(when jabber-autoaway-timer
(jabber-cancel-timer jabber-autoaway-timer)
(setq jabber-autoaway-timer nil)
(jabber-autoaway-message "Autoaway timer stopped")))
(defun jabber-autoaway-get-idle-time ()
"Get idle time in seconds according to jabber-autoaway-methods.
Return nil on error."
(car (sort (mapcar 'funcall jabber-autoaway-methods) (lambda (a b) (if a (if b (< a b) t) nil)))))
(defun jabber-autoaway-timer ()
;; We use one-time timers, so reset the variable.
(setq jabber-autoaway-timer nil)
(let ((idle-time (jabber-autoaway-get-idle-time)))
(when (numberp idle-time)
;; Has "idle timeout" passed?
(if (> idle-time (* 60 jabber-autoaway-timeout))
;; If so, mark ourselves idle.
(jabber-autoaway-set-idle)
;; Else, start a timer for the remaining amount.
(setq jabber-autoaway-timer
(run-with-timer (- (* 60 jabber-autoaway-timeout) idle-time)
nil #'jabber-autoaway-timer))))))
(defun jabber-autoaway-set-idle (&optional xa)
(jabber-autoaway-message "Autoaway triggered")
;; Send presence, unless the user has set a custom presence
(unless (member *jabber-current-show* '("xa" "dnd"))
(jabber-send-presence
(if xa "xa" "away")
(if (or (string= *jabber-current-status* jabber-default-status) (string= *jabber-current-status* jabber-autoaway-status)) (if xa jabber-autoaway-xa-status jabber-autoaway-status) *jabber-current-status*)
(or (if xa jabber-autoaway-priority jabber-autoaway-xa-priority) *jabber-current-priority*)))
(setq jabber-autoaway-last-idle-time (jabber-autoaway-get-idle-time))
;; Run unidle timer every 10 seconds (if xa specified, timer already running)
(unless xa
(setq jabber-autoaway-timer (run-with-timer 10 10
#'jabber-autoaway-maybe-unidle))))
(defun jabber-autoaway-maybe-unidle ()
(let ((idle-time (jabber-autoaway-get-idle-time)))
(jabber-autoaway-message "Idle for %d seconds" idle-time)
(if (member *jabber-current-show* '("xa" "away"))
;; As long as idle time increases monotonically, stay idle.
(if (> idle-time jabber-autoaway-last-idle-time)
(progn
;; Has "Xa timeout" passed?
(if (and (> jabber-autoaway-xa-timeout 0) (> idle-time (* 60 jabber-autoaway-xa-timeout)))
;; iIf so, mark ourselves xa.
(jabber-autoaway-set-idle t))
(setq jabber-autoaway-last-idle-time idle-time))
;; But if it doesn't, go back to unidle state.
(jabber-autoaway-message "Back to unidle")
;; But don't mess with the user's custom presence.
(if (or (string= *jabber-current-status* jabber-autoaway-status) (string= *jabber-current-status* jabber-autoaway-xa-status))
(jabber-send-default-presence)
(progn
(jabber-send-presence jabber-default-show *jabber-current-status* jabber-default-priority)
(jabber-autoaway-message "%S /= %S - not resetting presence" *jabber-current-status* jabber-autoaway-status)))
(jabber-autoaway-stop)
(jabber-autoaway-start)))))
(defun jabber-xprintidle-get-idle-time ()
"Get idle time through the xprintidle program."
(when jabber-xprintidle-program
(with-temp-buffer
(when (zerop (call-process jabber-xprintidle-program
nil t))
(/ (string-to-number (buffer-string)) 1000.0)))))
(defun jabber-termatime-get-idle-time ()
"Get idle time through atime of terminal.
The method for finding the terminal only works on GNU/Linux."
(let ((terminal (cond
((file-exists-p "/proc/self/fd/0")
"/proc/self/fd/0")
(t
nil))))
(when terminal
(let* ((atime-of-tty (nth 4 (file-attributes terminal)))
(diff (time-to-seconds (time-since atime-of-tty))))
(when (> diff 0)
diff)))))
(defun jabber-current-idle-time ()
"Get idle time through `current-idle-time'.
`current-idle-time' was introduced in Emacs 22."
(if (fboundp 'current-idle-time)
(let ((idle-time (current-idle-time)))
(if (null idle-time)
0
(float-time idle-time)))))
(provide 'jabber-autoaway)
;; arch-tag: 5bcea14c-842d-11da-a120-000a95c2fcd0
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