(wl-expire-folder): New function (split from

[elisp/wanderlust.git] / wl / wl-message.el

diff --git a/wl/wl-message.el b/wl/wl-message.el
index 1611a37..81338cb 100644 (file)
--- a/wl/wl-message.el
+++ b/wl/wl-message.el
@@ -51,7 +51,6 @@
   'wl-summary-default-get-next-msg)
 
 (defvar wl-message-buffer-prefetch-debug nil)
-(defvar wl-message-buffer-prefetch-timer nil)
 
 (defvar wl-message-buffer nil) ; message buffer.
 
@@ -345,6 +344,9 @@ Returns non-nil if bottom of message."
   (interactive)
   (let (summary-buf summary-win mother-buffer)
     (cond ((setq summary-buf wl-message-buffer-cur-summary-buffer)
+          (unless (buffer-live-p summary-buf)
+            (error "Summary buffer not found: %s"
+                   wl-message-buffer-cur-folder))
           (if (setq summary-win (get-buffer-window summary-buf))
               (select-window summary-win)
             (switch-to-buffer summary-buf)
@@ -352,7 +354,8 @@ Returns non-nil if bottom of message."
             (select-window (get-buffer-window summary-buf))))
          ((setq mother-buffer mime-mother-buffer)
           (kill-buffer (current-buffer))
-          (switch-to-buffer mother-buffer)))
+          (when (buffer-live-p mother-buffer)
+            (switch-to-buffer mother-buffer))))
     (run-hooks 'wl-message-exit-hook)))
 
 (defun wl-message-toggle-disp-summary ()
@@ -453,6 +456,32 @@ Returns non-nil if bottom of message."
        wl-message-buffer-cur-display-type)
     wl-message-buffer-cur-display-type))
 
+(defun wl-message-flag-indicator (flags)
+  (let ((flags (elmo-get-global-flags flags)))
+    (if (null flags)
+       ""
+      (concat
+       " ("
+       (mapconcat
+       (lambda (flag)
+         (let ((indicator (capitalize (symbol-name flag)))
+               face)
+           (when (and (assq flag wl-summary-flag-alist)
+                      (facep
+                       (setq face (intern
+                                   (format "wl-highlight-summary-%s-flag-face"
+                                           flag)))))
+             (put-text-property 0 (length indicator) 'face face indicator))
+           indicator))
+       (sort flags
+             (lambda (l r)
+               (> (length (memq (assq l wl-summary-flag-alist)
+                                wl-summary-flag-alist))
+                  (length (memq (assq r wl-summary-flag-alist)
+                                wl-summary-flag-alist)))))
+       ", ")
+       ")"))))
+
 (defun wl-message-redisplay (folder number display-type &optional force-reload)
   (let* ((default-mime-charset wl-mime-charset)
         (buffer-read-only nil)
@@ -474,32 +503,7 @@ Returns non-nil if bottom of message."
     (setq wl-message-buffer-cur-folder (elmo-folder-name-internal folder))
     (setq wl-message-buffer-cur-number number)
     (setq wl-message-buffer-flag-indicator
-         (if (setq flags (elmo-get-global-flags (elmo-message-flags
-                                                 folder number)))
-             (let ((fl wl-summary-flag-alist)
-                   flag-strings flag-string face)
-               (while fl
-                 (when (memq (car (car fl)) flags)
-                   (setq flag-string (capitalize
-                                      (symbol-name (car (car fl))))
-                         flags (delq (car (car fl)) flags))
-                   (when (facep (setq face
-                                      (intern
-                                       (format
-                                        "wl-highlight-summary-%s-flag-face"
-                                        (car (car fl))))))
-                     (put-text-property 0 (length flag-string)
-                                        'face face flag-string))
-                   (setq flag-strings (nconc flag-strings
-                                             (list flag-string))))
-                 (setq fl (cdr fl)))
-               (setq flag-strings
-                     (nconc flag-strings
-                            (mapcar (lambda (flag)
-                                      (capitalize (symbol-name flag)))
-                                    flags)))
-               (concat " (" (mapconcat 'identity flag-strings ", ") ")"))
-           ""))
+         (wl-message-flag-indicator (elmo-message-flags folder number)))
     (wl-line-formatter-setup
      wl-message-buffer-mode-line-formatter
      wl-message-mode-line-format