;;; Code:
-(require 'gnus-load)
+(require 'gnus)
(require 'gnus-int)
(require 'nnheader)
-(require 'gnus)
(eval-and-compile
(if (string-match "XEmacs" (emacs-version))
(require 'itimer)
(require 'timer)))
-(defvar gnus-demon-handlers nil
+(defgroup gnus-demon nil
+ "Demonic behaviour."
+ :group 'gnus)
+
+(defcustom gnus-demon-handlers nil
"Alist of daemonic handlers to be run at intervals.
Each handler is a list on the form
is a number, only call when Emacs has been idle more than this number
of `gnus-demon-timestep's. If IDLE is nil, don't care about
idleness. If IDLE is a number and TIME is nil, then call once each
-time Emacs has been idle for IDLE `gnus-demon-timestep's.")
-
-(defvar gnus-demon-timestep 60
- "*Number of seconds in each demon timestep.")
+time Emacs has been idle for IDLE `gnus-demon-timestep's."
+ :group 'gnus-demon
+ :type '(repeat (list function
+ (choice :tag "Time"
+ (const :tag "never" nil)
+ (const :tag "one" t)
+ (integer :tag "steps" 1))
+ (choice :tag "Idle"
+ (const :tag "don't care" nil)
+ (const :tag "for a while" t)
+ (integer :tag "steps" 1)))))
+
+(defcustom gnus-demon-timestep 60
+ "*Number of seconds in each demon timestep."
+ :group 'gnus-demon
+ :type 'integer)
;;; Internal variables.
(defvar gnus-demon-idle-time 0)
(defvar gnus-demon-handler-state nil)
(defvar gnus-demon-is-idle nil)
-(defvar gnus-demon-last-keys nil)
+(defvar gnus-demon-last-keys nil)
(eval-and-compile
(autoload 'timezone-parse-date "timezone")
(setq gnus-demon-handlers
(delq (assq function gnus-demon-handlers)
gnus-demon-handlers))
- (or no-init (gnus-demon-init)))
+ (unless no-init
+ (gnus-demon-init)))
(defun gnus-demon-init ()
"Initialize the Gnus daemon."
(defun gnus-demon-cancel ()
"Cancel any Gnus daemons."
(interactive)
- (and gnus-demon-timer
- (nnheader-cancel-timer gnus-demon-timer))
+ (when gnus-demon-timer
+ (nnheader-cancel-timer gnus-demon-timer))
(setq gnus-demon-timer nil
gnus-use-demon nil)
(condition-case ()
(round
(/ (if (< nseconds 0)
(+ nseconds (* 60 60 24))
- nseconds) gnus-demon-timestep)))))
+ nseconds)
+ gnus-demon-timestep)))))
(defun gnus-demon ()
"The Gnus daemon that takes care of running all Gnus handlers."
((numberp (setq time (nth 1 handler)))
;; These handlers use a regular timeout mechanism. We decrease
;; the timer if it hasn't reached zero yet.
- (or (zerop time)
- (setcar (nthcdr 1 handler) (decf time)))
+ (unless (zerop time)
+ (setcar (nthcdr 1 handler) (decf time)))
(and (zerop time) ; If the timer now is zero...
(or (not (setq idle (nth 2 handler))) ; Don't care about idle.
(and (numberp idle) ; Numerical idle...
(defun gnus-demon-scan-nocem ()
"Scan NoCeM groups for NoCeM messages."
- (gnus-nocem-scan-groups))
+ (save-window-excursion
+ (gnus-nocem-scan-groups)))
(defun gnus-demon-add-disconnection ()
"Add daemonic server disconnection to Gnus."
(gnus-demon-add-handler 'gnus-demon-close-connections nil 30))
(defun gnus-demon-close-connections ()
- (gnus-close-backends))
+ (save-window-excursion
+ (gnus-close-backends)))
(defun gnus-demon-add-scanmail ()
"Add daemonic scanning of mail from the mail backends."
(gnus-demon-add-handler 'gnus-demon-scan-mail 120 60))
(defun gnus-demon-scan-mail ()
- (let ((servers gnus-opened-servers)
- server)
- (while (setq server (car (pop servers)))
- (and (gnus-check-backend-function 'request-scan (car server))
- (or (gnus-server-opened server)
- (gnus-open-server server))
- (gnus-request-scan nil server)))))
+ (save-window-excursion
+ (let ((servers gnus-opened-servers)
+ server)
+ (while (setq server (car (pop servers)))
+ (and (gnus-check-backend-function 'request-scan (car server))
+ (or (gnus-server-opened server)
+ (gnus-open-server server))
+ (gnus-request-scan nil server))))))
(defun gnus-demon-add-rescan ()
"Add daemonic scanning of new articles from all backends."
(gnus-demon-add-handler 'gnus-demon-scan-news 120 60))
(defun gnus-demon-scan-news ()
+ (save-window-excursion
+ (when (gnus-alive-p)
+ (save-excursion
+ (set-buffer gnus-group-buffer)
+ (gnus-group-get-new-news)))))
+
+(defun gnus-demon-add-scan-timestamps ()
+ "Add daemonic updating of timestamps in empty newgroups."
+ (gnus-demon-add-handler 'gnus-demon-scan-timestamps nil 30))
+
+(defun gnus-demon-scan-timestamps ()
+ "Set the timestamp on all newsgroups with no unread and no ticked articles."
(when (gnus-alive-p)
- (save-excursion
- (set-buffer gnus-group-buffer)
- (gnus-group-get-new-news))))
+ (let ((cur-time (current-time))
+ (newsrc (cdr gnus-newsrc-alist))
+ info group unread has-ticked)
+ (while (setq info (pop newsrc))
+ (setq group (gnus-info-group info)
+ unread (gnus-group-unread group)
+ has-ticked (cdr (assq 'tick (gnus-info-marks info))))
+ (when (and (numberp unread)
+ (= unread 0)
+ (not has-ticked))
+ (gnus-group-set-parameter group 'timestamp cur-time))))))
(provide 'gnus-demon)
projects / gnus / blobdiff