- (push (cons method method-type) type-cache))
-
- (cond ((and method (eq method-type 'foreign))
- ;; These groups are foreign. Check the level.
- (if (<= (gnus-info-level info) foreign-level)
- (when (setq active (gnus-activate-group group 'scan))
- ;; Let the Gnus agent save the active file.
- (when (and gnus-agent active (gnus-online method))
- (gnus-agent-save-group-info
- method (gnus-group-real-name group) active))
- (unless (inline (gnus-virtual-group-p group))
- (inline (gnus-close-group group)))
- (when (fboundp (intern (concat (symbol-name (car method))
- "-request-update-info")))
- (inline (gnus-request-update-info info method))))
- (if (and level
- ;; If `active' is nil that means the group has
- ;; never been read, the group should be marked
- ;; as having never been checked (see below).
- active
- (> (gnus-info-level info) level))
- ;; Don't check groups of which levels are higher
- ;; than the one that a user specified.
- (setq active 'ignore))))
- ;; These groups are native or secondary.
- ((> (gnus-info-level info) alevel)
- ;; We don't want these groups.
- (setq active 'ignore))
- ;; Activate groups.
- ((not gnus-read-active-file)
- (if (gnus-check-backend-function 'retrieve-groups group)
- ;; if server support gnus-retrieve-groups we push
- ;; the group onto retrievegroups for later checking
- (if (assoc method retrieve-groups)
- (setcdr (assoc method retrieve-groups)
- (cons group (cdr (assoc method retrieve-groups))))
- (push (list method group) retrieve-groups))
- ;; hack: `nnmail-get-new-mail' changes the mail-source depending
- ;; on the group, so we must perform a scan for every group
- ;; if the users has any directory mail sources.
- ;; hack: if `nnmail-scan-directory-mail-source-once' is non-nil,
- ;; for it scan all spool files even when the groups are
- ;; not required.
- (if (and
- (or nnmail-scan-directory-mail-source-once
- (null (assq 'directory mail-sources)))
- (member method scanned-methods))
- (setq active (gnus-activate-group group))
- (setq active (gnus-activate-group group 'scan))
- (push method scanned-methods))
- (when active
- (gnus-close-group group)))))
-
- ;; Get the number of unread articles in the group.
- (cond
- ((eq active 'ignore)
- ;; Don't do anything.
- )
- (active
- (inline (gnus-get-unread-articles-in-group info active t)))
- (t
- ;; The group couldn't be reached, so we nix out the number of
- ;; unread articles and stuff.
- (gnus-set-active group nil)
- (let ((tmp (gnus-group-entry group)))
- (when tmp
- (setcar tmp t))))))
-
- ;; iterate through groups on methods which support gnus-retrieve-groups
- ;; and fetch a partial active file and use it to find new news.
- (dolist (rg retrieve-groups)
- (let ((method (or (car rg) gnus-select-method))
- (groups (cdr rg)))
- (when (gnus-check-server method)
- ;; Request that the backend scan its incoming messages.
- (when (gnus-check-backend-function 'request-scan (car method))
- (gnus-request-scan nil method))
- (gnus-read-active-file-2
- (mapcar (lambda (group) (gnus-group-real-name group)) groups)
- method)
- (dolist (group groups)
- (cond
- ((setq active (gnus-active (gnus-info-group
- (setq info (gnus-get-info group)))))
- (inline (gnus-get-unread-articles-in-group info active t)))
- (t
- ;; The group couldn't be reached, so we nix out the number of
- ;; unread articles and stuff.
- (gnus-set-active group nil)
- (setcar (gnus-group-entry group) t)))))))
-
+ (push (setq method-group-list (list method method-type nil nil))
+ type-cache))
+ ;; Only add groups that need updating.
+ (if (<= (gnus-info-level info)
+ (if (eq (cadr method-group-list) 'foreign)
+ foreign-level
+ alevel))
+ (setcar (nthcdr 2 method-group-list)
+ (cons info (nth 2 method-group-list)))
+ ;; The group is inactive, so we nix out the number of unread articles.
+ ;; It leads `(gnus-group-unread group)' to return t. See also
+ ;; `gnus-group-prepare-flat'.
+ (unless active
+ (when (setq entry (gnus-group-entry group))
+ (setcar entry t)))))
+
+ ;; Sort the methods based so that the primary and secondary
+ ;; methods come first. This is done for legacy reasons to try to
+ ;; ensure that side-effect behaviour doesn't change from previous
+ ;; Gnus versions.
+ (setq type-cache
+ (sort (nreverse type-cache)
+ (lambda (c1 c2)
+ (< (gnus-method-rank (cadr c1) (car c1))
+ (gnus-method-rank (cadr c2) (car c2))))))
+
+ ;; Start early async retrieval of data.
+ (dolist (elem type-cache)
+ (destructuring-bind (method method-type infos dummy) elem
+ (when (and method infos
+ (not (gnus-method-denied-p method)))
+ ;; If the open-server method doesn't exist, then the method
+ ;; itself doesn't exist, so we ignore it.
+ (if (not (ignore-errors (gnus-get-function method 'open-server)))
+ (setq type-cache (delq elem type-cache))
+ (unless (gnus-server-opened method)
+ (gnus-open-server method))
+ (when (and
+ (gnus-server-opened method)
+ (gnus-check-backend-function
+ 'retrieve-group-data-early (car method)))
+ (when (gnus-check-backend-function 'request-scan (car method))
+ (gnus-request-scan nil method))
+ (setcar (nthcdr 3 elem)
+ (gnus-retrieve-group-data-early method infos)))))))
+
+ ;; Do the rest of the retrieval.
+ (dolist (elem type-cache)
+ (destructuring-bind (method method-type infos early-data) elem
+ (when (and method infos)
+ (let ((updatep (gnus-check-backend-function
+ 'request-update-info (car method))))
+ ;; See if any of the groups from this method require updating.
+ (gnus-read-active-for-groups method infos early-data)
+ (dolist (info infos)
+ (inline (gnus-get-unread-articles-in-group
+ info (gnus-active (gnus-info-group info))
+ updatep)))))))