;;; gnus-demon.el --- daemonic Gnus behavior
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2012 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; If t, replace by 1
(time (cond ((eq time t)
gnus-demon-timestep)
- ((null time))
- (t (* time gnus-demon-timestep))))
+ ((null time)
+ nil)
+ ((stringp time)
+ (gnus-demon-time-to-step time))
+ (t
+ (* time gnus-demon-timestep))))
(timer
(cond
;; (func number t)
;; Call when Emacs has been idle for `time'
((and (numberp time) (eq idle t))
- (run-with-timer t time 'gnus-demon-run-callback func time))
+ (run-with-timer time time 'gnus-demon-run-callback func time))
;; (func number number)
;; Call every `time' when Emacs has been idle for `idle'
((and (numberp time) (numberp idle))
- (run-with-timer t time 'gnus-demon-run-callback func idle))
+ (run-with-timer time time 'gnus-demon-run-callback func idle))
;; (func nil number)
;; Only call when Emacs has been idle for `idle'
((and (null time) (numberp idle))
;; (func number nil)
;; Call every `time'
((and (numberp time) (null idle))
- (run-with-timer t time 'gnus-demon-run-callback func)))))
+ (run-with-timer time time 'gnus-demon-run-callback func)))))
(when timer
(add-to-list 'gnus-demon-timers timer)))))
+(defun gnus-demon-time-to-step (time)
+ "Find out how many seconds to TIME, which is on the form \"17:43\"."
+ (let* ((now (current-time))
+ ;; obtain NOW as discrete components -- make a vector for speed
+ (nowParts (decode-time now))
+ ;; obtain THEN as discrete components
+ (thenParts (parse-time-string time))
+ (thenHour (elt thenParts 2))
+ (thenMin (elt thenParts 1))
+ ;; convert time as elements into number of seconds since EPOCH.
+ (then (encode-time 0
+ thenMin
+ thenHour
+ ;; If THEN is earlier than NOW, make it
+ ;; same time tomorrow. Doc for encode-time
+ ;; says that this is OK.
+ (+ (elt nowParts 3)
+ (if (or (< thenHour (elt nowParts 2))
+ (and (= thenHour (elt nowParts 2))
+ (<= thenMin (elt nowParts 1))))
+ 1 0))
+ (elt nowParts 4)
+ (elt nowParts 5)
+ (elt nowParts 6)
+ (elt nowParts 7)
+ (elt nowParts 8)))
+ ;; calculate number of seconds between NOW and THEN
+ (diff (+ (* 65536 (- (car then) (car now)))
+ (- (cadr then) (cadr now)))))
+ ;; return number of timesteps in the number of seconds
+ (round (/ diff gnus-demon-timestep))))
+
(gnus-add-shutdown 'gnus-demon-cancel 'gnus)
(defun gnus-demon-cancel ()