;;; gnus-int.el --- backend interface functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
-;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2011 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(require 'message)
(require 'gnus-range)
+(autoload 'gnus-run-hook-with-args "gnus-util")
(autoload 'gnus-agent-expire "gnus-agent")
(autoload 'gnus-agent-regenerate-group "gnus-agent")
(autoload 'gnus-agent-read-servers-validate-native "gnus-agent")
:group 'gnus-start
:type 'hook)
+(defcustom gnus-after-set-mark-hook nil
+ "Hook called just after marks are set in a group."
+ :group 'gnus-start
+ :type 'hook)
+
+(defcustom gnus-before-update-mark-hook nil
+ "Hook called just before marks are updated in a group."
+ :group 'gnus-start
+ :type 'hook)
+
(defcustom gnus-server-unopen-status nil
"The default status if the server is not able to open.
If the server is covered by Gnus agent, the possible values are
;; Stream is already opened.
nil
;; Open NNTP server.
- (unless gnus-nntp-service
- (setq gnus-nntp-server nil))
(when confirm
;; Read server name with completion.
(setq gnus-nntp-server
- (completing-read "NNTP server: "
- (mapcar 'list
- (cons (list gnus-nntp-server)
- gnus-secondary-servers))
- nil nil gnus-nntp-server)))
+ (gnus-completing-read "NNTP server"
+ (cons gnus-nntp-server
+ gnus-secondary-servers)
+ nil gnus-nntp-server)))
(when (and gnus-nntp-server
(stringp gnus-nntp-server)
(prog1
(setq result (gnus-open-server method))
(unless silent
- (gnus-message 5 "Opening %s server%s...%s" (car method)
- (if (equal (nth 1 method) "") ""
- (format " on %s" (nth 1 method)))
- (if result "done" "failed")))))))
+ (gnus-message
+ (if result 5 3)
+ "Opening %s server%s...%s" (car method)
+ (if (equal (nth 1 method) "") ""
+ (format " on %s" (nth 1 method)))
+ (if result
+ "done"
+ (format "failed: %s"
+ (nnheader-get-report-string (car method))))))))))
(defun gnus-get-function (method function &optional noerror)
"Return a function symbol based on METHOD and FUNCTION."
(gnus-message 1 "Denied server %s" server)
nil)
;; Open the server.
- (let* ((open-server-function (gnus-get-function gnus-command-method 'open-server))
+ (let* ((open-server-function
+ (gnus-get-function gnus-command-method 'open-server))
(result
- (condition-case err
- (funcall open-server-function
- (nth 1 gnus-command-method)
- (nthcdr 2 gnus-command-method))
- (error
- (gnus-message 1 "Unable to open server %s due to: %s"
- server (error-message-string err))
- nil)
- (quit
- (gnus-message 1 "Quit trying to open server %s" server)
- nil)))
- open-offline)
+ (condition-case err
+ (funcall open-server-function
+ (nth 1 gnus-command-method)
+ (nthcdr 2 gnus-command-method))
+ (error
+ (gnus-message 1 "Unable to open server %s due to: %s"
+ server (error-message-string err))
+ nil)
+ (quit
+ (gnus-message 1 "Quit trying to open server %s" server)
+ nil)))
+ open-offline)
;; If this hasn't been opened before, we add it to the list.
(unless elem
(setq elem (list gnus-command-method nil)
;; recurse to open the agent's backend.
(setq open-offline (eq gnus-server-unopen-status 'offline))
gnus-server-unopen-status)
- ((and
- (not gnus-batch-mode)
- (gnus-y-or-n-p
- (format
- "Unable to open server %s (%s), go offline? "
- server
- (nnheader-get-report
- (car gnus-command-method)))))
+ ((not gnus-batch-mode)
(setq open-offline t)
'offline)
(t
(funcall (gnus-get-function gnus-command-method 'request-type)
(gnus-group-real-name group) article))))
+(defun gnus-request-update-group-status (group status)
+ "Change the status of a group.
+Valid statuses include `subscribe' and `unsubscribe'."
+ (let ((gnus-command-method (gnus-find-method-for-group group)))
+ (if (not (gnus-check-backend-function
+ 'request-update-group-status (car gnus-command-method)))
+ nil
+ (funcall
+ (gnus-get-function gnus-command-method 'request-update-group-status)
+ (gnus-group-real-name group) status
+ (nth 1 gnus-command-method)))))
+
(defun gnus-request-set-mark (group action)
"Set marks on articles in the back end."
(let ((gnus-command-method (gnus-find-method-for-group group)))
action
(funcall (gnus-get-function gnus-command-method 'request-set-mark)
(gnus-group-real-name group) action
- (nth 1 gnus-command-method)))))
+ (nth 1 gnus-command-method))
+ (gnus-run-hook-with-args gnus-after-set-mark-hook group action))))
(defun gnus-request-update-mark (group article mark)
"Allow the back end to change the mark the user tries to put on an article."
(if (not (gnus-check-backend-function
'request-update-mark (car gnus-command-method)))
mark
+ (gnus-run-hook-with-args gnus-before-update-mark-hook group article mark)
(funcall (gnus-get-function gnus-command-method 'request-update-mark)
(gnus-group-real-name group) article mark))))
article (gnus-group-real-name group)
(nth 1 gnus-command-method) buffer)))
+(defun gnus-request-thread (header)
+ "Request the headers in the thread containing the article specified by HEADER."
+ (let ((gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name)))
+ (funcall (gnus-get-function gnus-command-method 'request-thread)
+ header)))
+
+(defun gnus-warp-to-article ()
+ "Warps from an article in a virtual group to the article in its
+real group. Does nothing on a real group."
+ (interactive)
+ (let ((gnus-command-method
+ (gnus-find-method-for-group gnus-newsgroup-name)))
+ (when (gnus-check-backend-function
+ 'warp-to-article (car gnus-command-method))
+ (funcall (gnus-get-function gnus-command-method 'warp-to-article)))))
+
(defun gnus-request-head (article group)
"Request the head of ARTICLE in GROUP."
(let* ((gnus-command-method (gnus-find-method-for-group group))
(when (gnus-check-backend-function
'request-marks (car gnus-command-method))
(let ((group (gnus-info-group info)))
- (and (funcall (gnus-get-function gnus-command-method
- 'request-update-info)
+ (and (funcall (gnus-get-function gnus-command-method 'request-marks)
(gnus-group-real-name group)
info (nth 1 gnus-command-method))
;; If the minimum article number is greater than 1, then all
(result (funcall (gnus-get-function gnus-command-method
'request-move-article)
article (gnus-group-real-name group)
- (nth 1 gnus-command-method) accept-function last move-is-internal)))
+ (nth 1 gnus-command-method) accept-function
+ last move-is-internal)))
(when (and result gnus-agent
(gnus-agent-method-p gnus-command-method))
(gnus-agent-unfetch-articles group (list article)))
(if (stringp group) (gnus-group-real-name group) group)
(cadr gnus-command-method)
last)))
- (when (and gnus-agent (gnus-agent-method-p gnus-command-method))
+ (when (and gnus-agent
+ (gnus-agent-method-p gnus-command-method)
+ (cdr result))
(gnus-agent-regenerate-group group (list (cdr result))))
result))
projects / gnus / blobdiff