Synch up with main trunk, and prepare the release 2.12.0.
[elisp/wanderlust.git] / wl / wl-message.el
index b4a1cfe..1592ddc 100644 (file)
@@ -418,8 +418,36 @@ Returns non-nil if bottom of message."
               (nth 3 entry) (match-string (nth 4 entry))))
            (goto-char end)))))))
 
-(defun wl-message-redisplay (folder number as-is all-header
-                                   &optional force-reload)
+;; display-type object definition.
+(defun wl-message-make-display-type (mime header)
+  (let (symbol)
+    (prog1
+       (setq symbol (intern (format "%s-%s-header" mime header)))
+      (put symbol
+          'wl-message-display-type
+          (list :mime mime :header header)))))
+
+(defun wl-message-display-type-property (display-type prop)
+  (plist-get (get display-type 'wl-message-display-type) prop))
+
+(defun wl-message-mime-analysis-p (display-type &optional header-or-body)
+  (let ((mode (wl-message-display-type-property display-type :mime)))
+    (case header-or-body
+      (header
+       (memq mode '(mime header-only)))
+      (t
+       (eq mode 'mime)))))
+
+(defun wl-message-display-all-header-p (display-type)
+  (eq (wl-message-display-type-property display-type :header) 'all))
+
+(defun wl-message-buffer-display-type (&optional message-buffer)
+  (if message-buffer
+      (with-current-buffer message-buffer
+       wl-message-buffer-cur-display-type)
+    wl-message-buffer-cur-display-type))
+
+(defun wl-message-redisplay (folder number display-type &optional force-reload)
   (let* ((default-mime-charset wl-mime-charset)
         (buffer-read-only nil)
         (summary-buf (current-buffer))
@@ -429,7 +457,7 @@ Returns non-nil if bottom of message."
         summary-win delim flags)
     (setq buffer-read-only nil)
     (setq cache-used (wl-message-buffer-display
-                     folder number as-is all-header force-reload))
+                     folder number display-type force-reload))
     (setq wl-message-buffer (car cache-used))
     (setq message-buf wl-message-buffer)
     (wl-message-select-buffer wl-message-buffer)
@@ -486,7 +514,7 @@ Returns non-nil if bottom of message."
       (wl-message-add-buttons-to-header (point-min) (point))
       (wl-message-add-buttons-to-body (point) (point-max)))
     (when (and wl-message-use-header-narrowing
-              (not all-header))
+              (not (wl-message-display-all-header-p display-type)))
       (wl-message-header-narrowing))
     (goto-char (point-min))
     (ignore-errors (run-hooks 'wl-message-redisplay-hook))
@@ -499,16 +527,8 @@ Returns non-nil if bottom of message."
        (select-window summary-win))
     cache-used))
 
-(defun wl-message-buffer-display-type (as-is all-header)
-  (let ((type ""))
-    (if as-is
-       (setq type (concat type "as-is"))
-      (setq type (concat type "mime")))
-    (when all-header (setq type (concat type "-all-header")))
-    (intern type)))
-
 ;; Use message buffer cache.
-(defun wl-message-buffer-display (folder number as-is all-header
+(defun wl-message-buffer-display (folder number display-type
                                         &optional force-reload unread)
   (let* ((msg-id (ignore-errors (elmo-message-field folder number
                                                    'message-id)))
@@ -531,8 +551,7 @@ Returns non-nil if bottom of message."
            (widen)
            (goto-char (point-min))
            (ignore-errors (wl-message-narrow-to-page))
-           (unless (eq wl-message-buffer-cur-display-type
-                       (wl-message-buffer-display-type as-is all-header))
+           (unless (eq wl-message-buffer-cur-display-type display-type)
              (setq read t))))
       ;; delete tail and add new to the top.
       (setq hit (wl-message-buffer-cache-add (list fname number msg-id)))
@@ -543,10 +562,9 @@ Returns non-nil if bottom of message."
              (set-buffer hit)
              (setq
               cache-used
-              (wl-message-display-internal folder number as-is all-header
+              (wl-message-display-internal folder number display-type
                                            force-reload unread))
-             (setq wl-message-buffer-cur-display-type
-                   (wl-message-buffer-display-type as-is all-header)))
+             (setq wl-message-buffer-cur-display-type display-type))
          (quit
           (wl-message-buffer-cache-delete)
           (error "Display message %s/%s is quitted" fname number))
@@ -556,30 +574,35 @@ Returns non-nil if bottom of message."
           nil))) ;; will not be used
     (cons hit cache-used)))
 
-(defun wl-message-display-internal (folder number as-is all-header
+(defun wl-message-display-internal (folder number display-type
                                           &optional force-reload unread)
   (let ((default-mime-charset wl-mime-charset)
        (elmo-mime-charset wl-mime-charset))
-    (setq wl-message-buffer-require-all-header all-header)
+    (setq wl-message-buffer-require-all-header
+         (wl-message-display-all-header-p display-type))
     (prog1
-       (if as-is
-           (let (wl-highlight-x-face-function)
-             (prog1 (elmo-mime-display-as-is folder number
-                                             (current-buffer)
-                                             (wl-message-get-original-buffer)
-                                             'wl-original-message-mode
-                                             force-reload
-                                             unread
-                                             (wl-message-define-keymap))
-               (let (buffer-read-only)
-                 (wl-highlight-message (point-min) (point-max) t))))
-         (elmo-mime-message-display folder number
-                                    (current-buffer)
-                                    (wl-message-get-original-buffer)
-                                    'wl-original-message-mode
-                                    force-reload
-                                    unread
-                                    (wl-message-define-keymap)))
+       (if (wl-message-mime-analysis-p display-type)
+           (elmo-mime-message-display folder number
+                                      (current-buffer)
+                                      (wl-message-get-original-buffer)
+                                      'wl-original-message-mode
+                                      force-reload
+                                      unread
+                                      (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)))
+           (prog1 (elmo-mime-display-as-is folder number
+                                           (current-buffer)
+                                           (wl-message-get-original-buffer)
+                                           'wl-original-message-mode
+                                           force-reload
+                                           unread
+                                           (wl-message-define-keymap))
+             (let (buffer-read-only)
+               (wl-highlight-message (point-min) (point-max) t)))))
       (run-hooks 'wl-message-display-internal-hook)
       (setq buffer-read-only t))))
 
@@ -695,6 +718,9 @@ Returns non-nil if bottom of message."
                   (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))
                   result time1 time2 sec micro)
              (when wl-message-buffer-prefetch-debug
                (message "%d: count %d, hit %s" number count (buffer-name hit)))
@@ -712,7 +738,7 @@ Returns non-nil if bottom of message."
                  (setq time1 (current-time))
                  (message "Prefetching %d..." number))
                (setq result (wl-message-buffer-display
-                             folder number 'mime nil 'unread))
+                             folder number display-type nil 'unread))
                (when wl-message-buffer-prefetch-debug
                  (setq time2 (current-time))
                  (setq sec  (- (nth 1 time2)(nth 1 time1)))