- (setq wl-message-buffer-cur-summary-buffer cur-buf)
- (setq wl-message-buffer-cur-folder folder)
- (setq wl-message-buffer-cur-number number)
- (setq buffer-read-only nil)
- (erase-buffer)
- (if (or (eq (elmo-folder-number-get-type folder number) 'localdir)
- (not (and (not
- (setq wl-message-cache-used
- (or
- (elmo-buffer-cache-hit
- (list folder number message-id))
- (elmo-cache-exists-p message-id
- folder number))))
- (integerp size)
- wl-fetch-confirm-threshold
- (>= size wl-fetch-confirm-threshold)
- (not (y-or-n-p
- (format "Fetch entire message? (%dbytes)"
- size))))))
- (progn
- (save-excursion
- (set-buffer original-message-buffer)
- (let ((buffer-read-only nil))
- (elmo-read-msg-with-buffer-cache
- folder number original-message-buffer msgdb force-reload)))
- ;; decode MIME message.
- (wl-message-decode
- view-message-buffer
- original-message-buffer flag)
- (setq ret-val t))
- (save-excursion
- (set-buffer view-message-buffer)
- (insert "\n\n"))))
- (setq buffer-read-only nil)
- (wl-message-set-original-buffer-information folder number)
- (wl-message-overload-functions)
- ;; highlight body
- (and wl-highlight-body-too (wl-highlight-body))
- (condition-case ()
- (wl-message-narrow-to-page)
- (error nil)) ; ignore errors.
- (setq mode-line-buffer-identification
- (format "Wanderlust: << %s / %s >>"
- (if (memq 'modeline wl-use-folder-petname)
- (wl-folder-get-petname folder)
- folder)
- number))
- (goto-char (point-min))
- (unwind-protect
- (run-hooks 'wl-message-redisplay-hook)
- ;; go back to summary mode
- (set-buffer-modified-p nil)
- (setq buffer-read-only t)
- (set-buffer cur-buf)
- (setq summary-win (get-buffer-window cur-buf))
- (if (window-live-p summary-win)
- (select-window summary-win)))
- ret-val
- )))
+ ;; move hit to the top.
+ (wl-message-buffer-cache-sort
+ (wl-message-buffer-cache-entry-make (list fname number msg-id) hit))
+ (with-current-buffer hit
+ ;; Rewind to the top page
+ (widen)
+ (goto-char (point-min))
+ (ignore-errors (wl-message-narrow-to-page))
+ (setq entity wl-message-buffer-mime-entity)
+ (unless (eq wl-message-buffer-cur-display-type display-type)
+ (setq redisplay t))))
+ ;; delete tail and add new to the top.
+ (setq hit (wl-message-buffer-cache-add (list fname number msg-id)))
+ (setq redisplay t))
+ (when (or force-reload redisplay)
+ (condition-case err
+ (with-current-buffer hit
+ (when (or force-reload
+ (null entity)
+ (not (elmo-mime-entity-display-p
+ entity
+ (if (wl-message-mime-analysis-p display-type)
+ 'mime
+ 'as-is)))
+ (if (wl-message-display-no-merge-p display-type)
+ (elmo-mime-entity-reassembled-p entity)
+ (elmo-mime-entity-fragment-p entity)))
+ (setq entity (elmo-message-mime-entity
+ folder
+ number
+ (wl-message-get-original-buffer)
+ (and wl-message-auto-reassemble-message/partial
+ (not (wl-message-display-no-merge-p
+ display-type)))
+ force-reload
+ unread
+ (not (wl-message-mime-analysis-p display-type)))))
+ (unless entity
+ (error "Cannot display message %s/%s" fname number))
+ (wl-message-display-internal entity display-type))
+ (quit
+ (wl-message-buffer-cache-delete)
+ (error "Display message %s/%s is quitted" fname number))
+ (error
+ (wl-message-buffer-cache-delete)
+ (signal (car err) (cdr err))
+ nil))) ;; will not be used
+ hit))
+
+(defun wl-message-display-internal (entity display-type)
+ (let ((default-mime-charset wl-mime-charset)
+ (elmo-mime-charset wl-mime-charset)
+ (wl-message-buffer-require-all-header
+ (wl-message-display-all-header-p display-type)))
+ (if (wl-message-mime-analysis-p display-type)
+ (elmo-mime-entity-display entity
+ (current-buffer)
+ 'wl-original-message-mode
+ (wl-message-define-keymap))
+ (let* ((elmo-mime-display-header-analysis
+ (wl-message-mime-analysis-p display-type 'header))
+ (wl-highlight-x-face-function
+ (and elmo-mime-display-header-analysis
+ wl-highlight-x-face-function)))
+ (elmo-mime-entity-display-as-is entity
+ (current-buffer)
+ 'wl-original-message-mode
+ (wl-message-define-keymap))
+ (let (buffer-read-only)
+ (wl-highlight-message (point-min) (point-max) t))))
+ (setq wl-message-buffer-cur-display-type display-type
+ wl-message-buffer-mime-entity entity)
+ (run-hooks 'wl-message-display-internal-hook)
+ (setq buffer-read-only t)))
+
+(defun wl-message-buffer-prefetch-p (folder &optional number)
+ (and (or (not number)
+ (elmo-message-file-p folder number)
+ (let ((size (elmo-message-field folder number 'size)))
+ (not (and (integerp size)
+ wl-message-buffer-prefetch-threshold
+ (>= size wl-message-buffer-prefetch-threshold)))))
+ (or (not number)
+ (elmo-folder-plugged-p folder)
+ (elmo-file-cache-exists-p
+ (elmo-message-field folder number 'message-id)))
+ (or (cond
+ ((eq wl-message-buffer-prefetch-folder-type-list t)
+ t)
+ ((and number wl-message-buffer-prefetch-folder-type-list)
+ (memq (elmo-folder-type-internal
+ (elmo-message-folder folder number))
+ wl-message-buffer-prefetch-folder-type-list))
+ (wl-message-buffer-prefetch-folder-type-list
+ (let ((list wl-message-buffer-prefetch-folder-type-list)
+ type)
+ (catch 'done
+ (while (setq type (pop list))
+ (if (elmo-folder-contains-type folder type)
+ (throw 'done t)))))))
+ (cond
+ ((consp wl-message-buffer-prefetch-folder-list)
+ (wl-string-match-member (elmo-folder-name-internal folder)
+ wl-message-buffer-prefetch-folder-list))
+ (t wl-message-buffer-prefetch-folder-list)))))
+
+(defsubst wl-message-buffer-prefetch-clear-timer ()
+;;; cannot use for the bug of fsf-compat package (1.09).
+;;; (cancel-function-timers 'wl-message-buffer-prefetch-subr)
+ (if (fboundp 'run-with-idle-timer)
+ (if (featurep 'xemacs)
+ (let ((p itimer-list))
+ (while (car p)
+ (if (eq 'wl-message-buffer-prefetch-subr
+ (itimer-function (car p)))
+ (delete-itimer (car p)))
+ (setq p (cdr p))))
+ ;; FSF Emacs is correct
+ (cancel-function-timers 'wl-message-buffer-prefetch-subr))))
+
+(defsubst wl-message-buffer-prefetch-set-timer (folder number count
+ summary charset)
+ (if (not (fboundp 'run-with-idle-timer))
+ (when (sit-for wl-message-buffer-prefetch-idle-time)
+ (wl-message-buffer-prefetch-subr
+ folder number count summary charset))
+ (run-with-idle-timer
+ wl-message-buffer-prefetch-idle-time
+ nil
+ 'wl-message-buffer-prefetch-subr
+ folder number count summary charset)))
+
+(defvar wl-message-buffer-prefetch-move-spec-alist nil)
+
+(defun wl-message-buffer-prefetch-get-next (folder number summary)
+ (if (buffer-live-p summary)
+ (with-current-buffer summary
+ (let ((wl-summary-move-spec-alist
+ (or wl-message-buffer-prefetch-move-spec-alist
+ wl-summary-move-spec-alist))
+ (next number))
+ (while (and (setq next (funcall
+ wl-message-buffer-prefetch-get-next-function
+ next))
+ (not (wl-message-buffer-prefetch-p folder next))))
+ next))))
+
+(defun wl-message-buffer-prefetch (folder number count
+ &optional summary charset)
+ (let* ((summary (or summary (get-buffer wl-summary-buffer-name)))
+ (num number))
+ (when (and (> count 0)
+ (wl-message-buffer-prefetch-p folder))
+ (unless (wl-message-buffer-prefetch-p folder number)
+ (setq num
+ (wl-message-buffer-prefetch-get-next folder number summary)))
+ (when num
+ (wl-message-buffer-prefetch-clear-timer)
+ (wl-message-buffer-prefetch-set-timer
+ folder num count summary charset)))))
+
+(defun wl-message-buffer-prefetch-next (folder number count
+ &optional summary charset)
+ (let* ((summary (or summary (get-buffer wl-summary-buffer-name)))
+ next)
+ (when (and (> count 0)
+ (wl-message-buffer-prefetch-p folder))
+ (setq next (wl-message-buffer-prefetch-get-next folder number summary))
+ (when next
+ (wl-message-buffer-prefetch-clear-timer)
+ (wl-message-buffer-prefetch-set-timer
+ folder next count summary charset)))))
+
+(defun wl-message-buffer-prefetch-subr (folder number count summary charset)
+ (if (buffer-live-p summary)
+ (with-current-buffer summary
+ (if (and number
+ (numberp count)
+ (>= (setq count (- count 1)) 0)
+ (string= (elmo-folder-name-internal folder)
+ (wl-summary-buffer-folder-name)))
+ (let* ((wl-mime-charset charset)
+ (default-mime-charset charset)
+ (message-id (elmo-message-field folder number 'message-id))
+ (key (list (elmo-folder-name-internal folder)
+ number message-id))
+ (hit (wl-message-buffer-cache-hit key))
+ (display-type (wl-message-make-display-type
+ wl-summary-buffer-display-mime-mode
+ wl-summary-buffer-display-header-mode))
+ time1 time2 sec micro)
+ (when wl-message-buffer-prefetch-debug
+ (message "%d: count %d, hit %s" number count (buffer-name hit)))
+ (if (and hit (buffer-live-p hit))
+ (progn
+ (wl-message-buffer-cache-sort
+ (wl-message-buffer-cache-entry-make key hit))
+ (wl-message-buffer-prefetch-subr
+ folder
+ (wl-message-buffer-prefetch-get-next
+ folder number summary)
+ count summary charset))
+ ;; prefetching
+ (when wl-message-buffer-prefetch-debug
+ (setq time1 (current-time))
+ (message "Prefetching %d..." number))
+ (wl-message-buffer-display folder number
+ display-type nil 'unread)
+ (when (elmo-message-use-cache-p folder number)
+ (elmo-message-set-cached folder number t))
+ (when wl-message-buffer-prefetch-debug
+ (setq time2 (current-time))
+ (setq sec (- (nth 1 time2)(nth 1 time1)))
+ (setq micro (- (nth 2 time2)(nth 2 time1)))
+ (setq micro (+ micro (* 1000000 sec)))
+ (message "Prefetching %d...done(%f msec)."
+ number
+ (/ micro 1000.0))
+ (sit-for 0))
+ ;; set next prefetch
+ (wl-message-buffer-prefetch-set-timer
+ folder
+ (wl-message-buffer-prefetch-get-next
+ folder number summary)
+ count summary charset)
+ (sit-for 0)
+ ;; success prefetch
+ )))
+ ;; finish prefetch
+ (when wl-message-buffer-prefetch-debug
+ (message "Buffer Cached Messages: %s"
+ (mapconcat
+ '(lambda (cache)
+ (if (numberp (nth 1 (car cache)))
+ (if (string=
+ (nth 0 (car cache))
+ (elmo-folder-name-internal folder))
+ (format "%d"
+ (nth 1 (car cache)))
+ (format "*%d" (nth 1 (car cache))))
+ "-"))
+ wl-message-buffer-cache " "))) )))