(mime-entity-safe-filename): Use `mime-read-field' instead of
[elisp/semi.git] / mime-view.el
index 1437691..32ff988 100644 (file)
 
 ;;; Code:
 
-(require 'std11)
-(require 'mel)
-(require 'eword-decode)
-(require 'mime-parse)
+(require 'mime)
 (require 'semi-def)
 (require 'calist)
 (require 'alist)
 ;;;
 
 (defconst mime-view-version-string
-  `,(concat (car mime-module-version) " MIME-View "
-           (mapconcat #'number-to-string (cddr mime-module-version) ".")
-           " (" (cadr mime-module-version) ")"))
+  `,(concat (car mime-user-interface-version) " MIME-View "
+           (mapconcat #'number-to-string
+                      (cddr mime-user-interface-version) ".")
+           " (" (cadr mime-user-interface-version) ")"))
 
 
 ;;; @ variables
 ;;; @ in raw-buffer (representation space)
 ;;;
 
-(defvar mime-raw-message-info nil
-  "Information about structure of message.
-Please use reference function `mime-entity-SLOT' to get value of SLOT.
-
-Following is a list of slots of the structure:
-
-buffer                 buffer includes this entity (buffer).
-node-id                        node-id (list of integers)
-header-start           minimum point of header in raw-buffer
-header-end             maximum point of header in raw-buffer
-body-start             minimum point of body in raw-buffer
-body-end               maximum point of body in raw-buffer
-content-type           content-type (content-type)
-content-disposition    content-disposition (content-disposition)
-encoding               Content-Transfer-Encoding (string or nil)
-children               entities included in this entity (list of entity)
-
-If an entity includes other entities in its body, such as multipart or
-message/rfc822, `mime-entity' structures of them are included in
-`children', so the `mime-entity' structure become a tree.")
-(make-variable-buffer-local 'mime-raw-message-info)
-
-
 (defvar mime-preview-buffer nil
   "MIME-preview buffer corresponding with the (raw) buffer.")
 (make-variable-buffer-local 'mime-preview-buffer)
@@ -122,15 +97,15 @@ This value is overridden by buffer local variable
                                             &optional message-info)
   "Return entity from ENTITY-NODE-ID in mime-raw-buffer.
 If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
+`mime-message-structure' is used."
   (mime-raw-find-entity-from-number (reverse entity-node-id) message-info))
 
 (defun mime-raw-find-entity-from-number (entity-number &optional message-info)
   "Return entity from ENTITY-NUMBER in mime-raw-buffer.
 If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
+`mime-message-structure' is used."
   (or message-info
-      (setq message-info mime-raw-message-info))
+      (setq message-info mime-message-structure))
   (if (eq entity-number t)
       message-info
     (let ((sn (car entity-number)))
@@ -145,9 +120,9 @@ If optional argument MESSAGE-INFO is not specified,
 (defun mime-raw-find-entity-from-point (point &optional message-info)
   "Return entity from POINT in mime-raw-buffer.
 If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
+`mime-message-structure' is used."
   (or message-info
-      (setq message-info mime-raw-message-info))
+      (setq message-info mime-message-structure))
   (if (and (<= (mime-entity-point-min message-info) point)
           (<= point (mime-entity-point-max message-info)))
       (let ((children (mime-entity-children message-info)))
@@ -199,21 +174,50 @@ mother-buffer."
 ;;; @ entity information
 ;;;
 
+(defsubst mime-entity-representation-type (entity)
+  (with-current-buffer (mime-entity-buffer entity)
+    (or mime-raw-representation-type
+       (cdr (or (assq major-mode mime-raw-representation-type-alist)
+                (assq t mime-raw-representation-type-alist))))))
+
+(defsubst mime-entity-cooked-p (entity)
+  (eq (mime-entity-representation-type entity) 'cooked))
+
 (defsubst mime-entity-parent (entity &optional message-info)
   "Return mother entity of ENTITY.
 If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' in buffer of ENTITY is used."
+`mime-message-structure' in buffer of ENTITY is used."
   (mime-raw-find-entity-from-node-id
    (cdr (mime-entity-node-id entity))
    (or message-info
        (save-excursion
         (set-buffer (mime-entity-buffer entity))
-        mime-raw-message-info))))
+        mime-message-structure))))
 
-(defsubst mime-entity-situation (entity)
+(defun mime-entity-situation (entity)
   "Return situation of ENTITY."
   (append (or (mime-entity-content-type entity)
              (make-mime-content-type 'text 'plain))
+         (let ((d (mime-entity-content-disposition entity)))
+           (cons (cons 'disposition-type
+                       (mime-content-disposition-type d))
+                 (mapcar (function
+                          (lambda (param)
+                            (let ((name (car param)))
+                              (cons (cond ((string= name "filename")
+                                           'filename)
+                                          ((string= name "creation-date")
+                                           'creation-date)
+                                          ((string= name "modification-date")
+                                           'modification-date)
+                                          ((string= name "read-date")
+                                           'read-date)
+                                          ((string= name "size")
+                                           'size)
+                                          (t (cons 'disposition (car param))))
+                                    (cdr param)))))
+                         (mime-content-disposition-parameters d))
+                 ))
          (list (cons 'encoding (mime-entity-encoding entity))
                (cons 'major-mode
                      (save-excursion
@@ -224,54 +228,53 @@ If optional argument MESSAGE-INFO is not specified,
 
 (defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
 
-(defun mime-raw-get-uu-filename ()
-  (save-excursion
-    (if (re-search-forward "^begin [0-9]+ " nil t)
-       (if (looking-at ".+$")
-           (buffer-substring (match-beginning 0)(match-end 0))
-         ))))
-
-(defun mime-raw-get-subject (entity)
-  (or (std11-find-field-body '("Content-Description" "Subject"))
-      (let ((ret (mime-entity-content-disposition entity)))
-       (and ret
-            (setq ret (mime-content-disposition-filename ret))
-            (std11-strip-quoted-string ret)
-            ))
-      (let ((ret (mime-entity-content-type entity)))
-       (and ret
-            (setq ret
-                  (cdr
-                   (let ((param (mime-content-type-parameters ret)))
-                     (or (assoc "name" param)
-                         (assoc "x-name" param))
-                     )))
-            (std11-strip-quoted-string ret)
-            ))
-      (if (member (mime-entity-encoding entity)
-                 mime-view-uuencode-encoding-name-list)
-         (mime-raw-get-uu-filename))
+(defun mime-entity-uu-filename (entity)
+  (if (member (mime-entity-encoding entity)
+             mime-view-uuencode-encoding-name-list)
+      (save-excursion
+       (set-buffer (mime-entity-buffer entity))
+       (goto-char (mime-entity-body-start entity))
+       (if (re-search-forward "^begin [0-9]+ "
+                              (mime-entity-body-end entity) t)
+           (if (looking-at ".+$")
+               (buffer-substring (match-beginning 0)(match-end 0))
+             )))))
+
+(defun mime-entity-filename (entity)
+  (or (mime-entity-uu-filename entity)
+      (mime-content-disposition-filename
+       (mime-entity-content-disposition entity))
+      (cdr (let ((param (mime-content-type-parameters
+                        (mime-entity-content-type entity))))
+            (or (assoc "name" param)
+                (assoc "x-name" param))
+            ))))
+
+(defun mime-view-entity-title (entity)
+  (or (mime-read-field 'Content-Description entity)
+      (mime-read-field 'Subject entity)
+      (mime-entity-filename entity)
       ""))
 
 
 (defsubst mime-raw-point-to-entity-node-id (point &optional message-info)
   "Return entity-node-id from POINT in mime-raw-buffer.
 If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
+`mime-message-structure' is used."
   (mime-entity-node-id (mime-raw-find-entity-from-point point message-info)))
 
 (defsubst mime-raw-point-to-entity-number (point &optional message-info)
   "Return entity-number from POINT in mime-raw-buffer.
 If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
+`mime-message-structure' is used."
   (mime-entity-number (mime-raw-find-entity-from-point point message-info)))
 
 (defun mime-raw-flatten-message-info (&optional message-info)
   "Return list of entity in mime-raw-buffer.
 If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
+`mime-message-structure' is used."
   (or message-info
-      (setq message-info mime-raw-message-info))
+      (setq message-info mime-message-structure))
   (let ((dest (list message-info))
        (rcl (mime-entity-children message-info)))
     (while rcl
@@ -308,10 +311,11 @@ Please redefine this function if you want to change default setting."
 ;;; @@@ entity button generator
 ;;;
 
-(defun mime-view-insert-entity-button (entity subject)
+(defun mime-view-insert-entity-button (entity)
   "Insert entity-button of ENTITY."
   (let ((entity-node-id (mime-entity-node-id entity))
-       (params (mime-entity-parameters entity)))
+       (params (mime-entity-parameters entity))
+       (subject (mime-view-entity-title entity)))
     (mime-insert-button
      (let ((access-type (assoc "access-type" params))
           (num (or (cdr (assoc "x-part-number" params))
@@ -363,18 +367,11 @@ Please redefine this function if you want to change default setting."
 ;;; @@ entity-header
 ;;;
 
-;;; @@@ entity header filter
-;;;
-
-(defvar mime-view-content-header-filter-alist nil)
-
-(defun mime-view-default-content-header-filter ()
-  (mime-view-cut-header)
-  (eword-decode-header)
-  )
-
-;;; @@@ entity field cutter
-;;;
+(defvar mime-header-presentation-method-alist nil
+  "Alist of major mode vs. corresponding header-presentation-method functions.
+Each element looks like (SYMBOL . FUNCTION).
+SYMBOL must be major mode in raw-buffer or t.  t means default.
+Interface of FUNCTION must be (ENTITY SITUATION).")
 
 (defvar mime-view-ignored-field-list
   '(".*Received" ".*Path" ".*Id" "References"
@@ -385,36 +382,10 @@ Please redefine this function if you want to change default setting."
   "All fields that match this list will be hidden in MIME preview buffer.
 Each elements are regexp of field-name.")
 
-(defvar mime-view-ignored-field-regexp
-  (concat "^"
-         (apply (function regexp-or) mime-view-ignored-field-list)
-         ":"))
-
 (defvar mime-view-visible-field-list '("Dnas.*" "Message-Id")
   "All fields that match this list will be displayed in MIME preview buffer.
 Each elements are regexp of field-name.")
 
-(defun mime-view-cut-header ()
-  (goto-char (point-min))
-  (while (re-search-forward mime-view-ignored-field-regexp nil t)
-    (let* ((beg (match-beginning 0))
-          (end (match-end 0))
-          (name (buffer-substring beg end))
-          )
-      (catch 'visible
-       (let ((rest mime-view-visible-field-list))
-         (while rest
-           (if (string-match (car rest) name)
-               (throw 'visible nil)
-             )
-           (setq rest (cdr rest))))
-       (delete-region beg
-                      (save-excursion
-                        (if (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
-                            (match-beginning 0)
-                          (point-max))))
-       ))))
-
 
 ;;; @@ entity-body
 ;;;
@@ -476,42 +447,42 @@ Each elements are regexp of field-name.")
 (ctree-set-calist-strictly
  'mime-preview-condition
  '((body . visible)
-   (body-presentation-method . mime-preview-text/plain)))
+   (body-presentation-method . mime-display-text/plain)))
 
 (ctree-set-calist-strictly
  'mime-preview-condition
  '((type . nil)
    (body . visible)
-   (body-presentation-method . mime-preview-text/plain)))
+   (body-presentation-method . mime-display-text/plain)))
 
 (ctree-set-calist-strictly
  'mime-preview-condition
  '((type . text)(subtype . enriched)
    (body . visible)
-   (body-presentation-method . mime-preview-text/enriched)))
+   (body-presentation-method . mime-display-text/enriched)))
 
 (ctree-set-calist-strictly
  'mime-preview-condition
  '((type . text)(subtype . richtext)
    (body . visible)
-   (body-presentation-method . mime-preview-text/richtext)))
+   (body-presentation-method . mime-display-text/richtext)))
 
 (ctree-set-calist-strictly
  'mime-preview-condition
  '((type . text)(subtype . t)
    (body . visible)
-   (body-presentation-method . mime-preview-text/plain)))
+   (body-presentation-method . mime-display-text/plain)))
 
 (ctree-set-calist-strictly
  'mime-preview-condition
  '((type . multipart)(subtype . alternative)
    (body . visible)
-   (body-presentation-method . mime-preview-multipart/alternative)))
+   (body-presentation-method . mime-display-multipart/alternative)))
 
 (ctree-set-calist-strictly
  'mime-preview-condition '((type . message)(subtype . partial)
                           (body-presentation-method
-                           . mime-preview-message/partial-button)))
+                           . mime-display-message/partial-button)))
 
 (ctree-set-calist-strictly
  'mime-preview-condition '((type . message)(subtype . rfc822)
@@ -529,9 +500,9 @@ Each elements are regexp of field-name.")
 ;;; @@@ entity presentation
 ;;;
 
-(autoload 'mime-preview-text/plain "mime-text")
-(autoload 'mime-preview-text/enriched "mime-text")
-(autoload 'mime-preview-text/richtext "mime-text")
+(autoload 'mime-display-text/plain "mime-text")
+(autoload 'mime-display-text/enriched "mime-text")
+(autoload 'mime-display-text/richtext "mime-text")
 
 (defvar mime-view-announcement-for-message/partial
   (if (and (>= emacs-major-version 19) window-system)
@@ -544,7 +515,7 @@ Each elements are regexp of field-name.")
 \[[ Please press `v' key in this buffer.         ]]"
     ))
 
-(defun mime-preview-message/partial-button (&optional entity situation)
+(defun mime-display-message/partial-button (&optional entity situation)
   (save-restriction
     (goto-char (point-max))
     (if (not (search-backward "\n\n" nil t))
@@ -557,17 +528,12 @@ Each elements are regexp of field-name.")
                     #'mime-preview-play-current-entity)
     ))
 
-(defun mime-preview-multipart/mixed (entity situation)
+(defun mime-display-multipart/mixed (entity situation)
   (let ((children (mime-entity-children entity))
        (default-situation
          (cdr (assq 'childrens-situation situation))))
     (while children
-      (mime-view-display-entity (car children)
-                               (save-excursion
-                                 (set-buffer (mime-entity-buffer entity))
-                                 mime-raw-message-info)
-                               (current-buffer)
-                               default-situation)
+      (mime-display-entity (car children) nil default-situation)
       (setq children (cdr children))
       )))
 
@@ -586,7 +552,7 @@ MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t.  t means default."
                               (item :tag "Default" t))
                       integer)))
 
-(defun mime-preview-multipart/alternative (entity situation)
+(defun mime-display-multipart/alternative (entity situation)
   (let* ((children (mime-entity-children entity))
         (default-situation
           (cdr (assq 'childrens-situation situation)))
@@ -629,16 +595,10 @@ MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t.  t means default."
     (while children
       (let ((child (car children))
            (situation (car situations)))
-       (mime-view-display-entity child
-                                 (save-excursion
-                                   (set-buffer (mime-entity-buffer child))
-                                   mime-raw-message-info)
-                                 (current-buffer)
-                                 default-situation
-                                 (if (= i p)
-                                     situation
-                                   (del-alist 'body-presentation-method
-                                              (copy-alist situation))))
+       (mime-display-entity child (if (= i p)
+                                      situation
+                                    (del-alist 'body-presentation-method
+                                               (copy-alist situation))))
        )
       (setq children (cdr children)
            situations (cdr situations)
@@ -681,97 +641,51 @@ MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t.  t means default."
        (setq entries (cdr entries))
        )))
 
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . t)(subtype . t)(mode . "extract")
-;;    (method . mime-method-to-save)))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . application)(subtype . octet-stream)
+   (mode . "play")
+   (method . mime-detect-content)
+   ))
+
 (ctree-set-calist-with-default
  'mime-acting-condition
  '((mode . "extract")
-   (method . mime-method-to-save)))
-
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . text)(subtype . plain)(mode . "play")
-;;    (method "tm-plain" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . text)(subtype . plain)(mode . "print")
-;;    (method "tm-plain" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . text)(subtype . html)(mode . "play")
-;;    (method "tm-html" nil 'file "" 'encoding 'mode 'name)
-;;    ))
+   (method . mime-save-content)))
+
 (ctree-set-calist-strictly
  'mime-acting-condition
  '((type . text)(subtype . x-rot13-47)(mode . "play")
-   (method . mime-method-to-display-caesar)
+   (method . mime-view-caesar)
    ))
 (ctree-set-calist-strictly
  'mime-acting-condition
  '((type . text)(subtype . x-rot13-47-48)(mode . "play")
-   (method . mime-method-to-display-caesar)
+   (method . mime-view-caesar)
    ))
 
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . audio)(subtype . basic)(mode . "play")
-;;    (method "tm-au" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . image)(mode . "play")
-;;    (method "tm-image" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . image)(mode . "print")
-;;    (method "tm-image" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . video)(subtype . mpeg)(mode . "play")
-;;    (method "tm-mpeg" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . application)(subtype . postscript)(mode . "play")
-;;    (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-;; (ctree-set-calist-strictly
-;;  'mime-acting-condition
-;;  '((type . application)(subtype . postscript)(mode . "print")
-;;    (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
-;;    ))
-
 (ctree-set-calist-strictly
  'mime-acting-condition
  '((type . message)(subtype . rfc822)(mode . "play")
-   (method . mime-method-to-display-message/rfc822)
+   (method . mime-view-message/rfc822)
    ))
 (ctree-set-calist-strictly
  'mime-acting-condition
  '((type . message)(subtype . partial)(mode . "play")
-   (method . mime-method-to-store-message/partial)
+   (method . mime-store-message/partial-piece)
    ))
 
 (ctree-set-calist-strictly
  'mime-acting-condition
  '((type . message)(subtype . external-body)
    ("access-type" . "anon-ftp")
-   (method . mime-method-to-display-message/external-ftp)
+   (method . mime-view-message/external-ftp)
    ))
 
 (ctree-set-calist-strictly
  'mime-acting-condition
  '((type . application)(subtype . octet-stream)
-   (method . mime-method-to-save)
+   (method . mime-save-content)
    ))
 
 
@@ -783,78 +697,35 @@ MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t.  t means default."
      . mime-preview-quitting-method-for-mime-show-message-mode))
   "Alist of major-mode vs. quitting-method of mime-view.")
 
-(defvar mime-view-over-to-previous-method-alist nil)
-(defvar mime-view-over-to-next-method-alist nil)
+(defvar mime-preview-over-to-previous-method-alist nil
+  "Alist of major-mode vs. over-to-previous-method of mime-view.")
 
-(defvar mime-view-show-summary-method nil
-  "Alist of major-mode vs. show-summary-method.")
+(defvar mime-preview-over-to-next-method-alist nil
+  "Alist of major-mode vs. over-to-next-method of mime-view.")
 
 
 ;;; @ following method
 ;;;
 
-(defvar mime-view-following-method-alist nil
+(defvar mime-preview-following-method-alist nil
   "Alist of major-mode vs. following-method of mime-view.")
 
 (defvar mime-view-following-required-fields-list
   '("From"))
 
 
-;;; @ X-Face
-;;;
-
-;; hack from Gnus 5.0.4.
-
-(defvar mime-view-x-face-to-pbm-command
-  "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
-
-(defvar mime-view-x-face-command
-  (concat mime-view-x-face-to-pbm-command
-         " | xv -quit -")
-  "String to be executed to display an X-Face field.
-The command will be executed in a sub-shell asynchronously.
-The compressed face will be piped to this command.")
-
-(defun mime-view-x-face-function ()
-  "Function to display X-Face field. You can redefine to customize."
-  ;; 1995/10/12 (c.f. tm-eng:130)
-  ;;   fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
-  (save-restriction
-    (narrow-to-region (point-min) (re-search-forward "^$" nil t))
-    ;; end
-    (goto-char (point-min))
-    (if (re-search-forward "^X-Face:[ \t]*" nil t)
-       (let ((beg (match-end 0))
-             (end (std11-field-end))
-             )
-         (call-process-region beg end "sh" nil 0 nil
-                              "-c" mime-view-x-face-command)
-         ))))
-
-
 ;;; @ buffer setup
 ;;;
 
-(defun mime-view-display-entity (entity message-info obuf
-                                       default-situation
-                                       &optional situation)
+(defun mime-display-entity (entity &optional situation
+                                  default-situation preview-buffer)
+  (or preview-buffer
+      (setq preview-buffer (current-buffer)))
   (let* ((raw-buffer (mime-entity-buffer entity))
         (start (mime-entity-point-min entity))
-        (end (mime-entity-point-max entity))
-        original-major-mode end-of-header e nb ne subj)
+        e nb ne)
     (set-buffer raw-buffer)
-    (setq original-major-mode major-mode)
     (goto-char start)
-    (setq end-of-header (if (re-search-forward "^$" nil t)
-                           (1+ (match-end 0))
-                         end))
-    (if (> end-of-header end)
-       (setq end-of-header end)
-      )
-    (save-restriction
-      (narrow-to-region start end)
-      (setq subj (eword-decode-string (mime-raw-get-subject entity)))
-      )
     (or situation
        (setq situation
              (or (ctree-match-calist mime-preview-condition
@@ -865,43 +736,41 @@ The compressed face will be piped to this command.")
           (eq (cdr (assq 'entity-button situation)) 'invisible))
          (header-is-visible
           (eq (cdr (assq 'header situation)) 'visible))
+         (header-presentation-method
+          (or (cdr (assq 'header-presentation-method situation))
+              (cdr (assq major-mode mime-header-presentation-method-alist))))
          (body-presentation-method
           (cdr (assq 'body-presentation-method situation)))
          (children (mime-entity-children entity)))
-      (set-buffer obuf)
+      (set-buffer preview-buffer)
       (setq nb (point))
       (narrow-to-region nb nb)
       (or button-is-invisible
          (if (mime-view-entity-button-visible-p entity)
-             (mime-view-insert-entity-button entity subj)
+             (mime-view-insert-entity-button entity)
            ))
-      (if header-is-visible
-         (save-restriction
-           (narrow-to-region (point)(point))
-           (insert-buffer-substring raw-buffer start end-of-header)
-           (let ((f (cdr (assq original-major-mode
-                               mime-view-content-header-filter-alist))))
-             (if (functionp f)
-                 (funcall f)
-               (mime-view-default-content-header-filter)
-               ))
-           (run-hooks 'mime-view-content-header-filter-hook)
-           ))
-      (cond ((eq body-presentation-method 'with-filter)
-            (let ((body-filter (cdr (assq 'body-filter situation))))
-              (save-restriction
-                (narrow-to-region (point-max)(point-max))
-                (insert-buffer-substring raw-buffer end-of-header end)
-                (funcall body-filter situation)
-                )))
-           (children)
-           ((functionp body-presentation-method)
+      (when header-is-visible
+       (if header-presentation-method
+           (funcall header-presentation-method entity situation)
+         (mime-insert-decoded-header entity
+                                     mime-view-ignored-field-list
+                                     mime-view-visible-field-list
+                                     (if (mime-entity-cooked-p entity)
+                                         nil
+                                       default-mime-charset))
+         )
+       (goto-char (point-max))
+       (insert "\n")
+       (run-hooks 'mime-display-header-hook)
+       )
+      (cond (children)
+            ((functionp body-presentation-method)
             (funcall body-presentation-method entity situation)
             )
            (t
             (when button-is-invisible
               (goto-char (point-max))
-              (mime-view-insert-entity-button entity subj)
+              (mime-view-insert-entity-button entity)
               )
             (or header-is-visible
                 (progn
@@ -916,7 +785,7 @@ The compressed face will be piped to this command.")
       (if children
          (if (functionp body-presentation-method)
              (funcall body-presentation-method entity situation)
-           (mime-preview-multipart/mixed entity situation)
+           (mime-display-multipart/mixed entity situation)
            ))
       )))
 
@@ -934,7 +803,6 @@ The compressed face will be piped to this command.")
     (play       "Play current entity"     mime-preview-play-current-entity)
     (extract    "Extract current entity"  mime-preview-extract-current-entity)
     (print      "Print current entity"    mime-preview-print-current-entity)
-    (x-face     "Show X Face"             mime-preview-display-x-face)
     )
   "Menu for MIME Viewer")
 
@@ -994,8 +862,6 @@ The compressed face will be piped to this command.")
     (define-key mime-view-mode-map
       "q"        (function mime-preview-quit))
     (define-key mime-view-mode-map
-      "h"        (function mime-preview-show-summary))
-    (define-key mime-view-mode-map
       "\C-c\C-x" (function mime-preview-kill-buffer))
     ;; (define-key mime-view-mode-map
     ;;   "<"        (function beginning-of-buffer))
@@ -1059,8 +925,8 @@ The compressed face will be piped to this command.")
 
 (defvar mime-view-redisplay nil)
 
-(defun mime-view-display-message (message &optional preview-buffer
-                                         mother default-keymap-or-function)
+(defun mime-display-message (message &optional preview-buffer
+                                    mother default-keymap-or-function)
   (mime-maybe-hide-echo-buffer)
   (let ((win-conf (current-window-configuration))
        (raw-buffer (mime-entity-buffer message)))
@@ -1068,10 +934,9 @@ The compressed face will be piped to this command.")
        (setq preview-buffer
              (concat "*Preview-" (buffer-name raw-buffer) "*")))
     (set-buffer raw-buffer)
-    (setq mime-raw-message-info (mime-parse-message))
     (setq mime-preview-buffer preview-buffer)
     (let ((inhibit-read-only t))
-      (switch-to-buffer preview-buffer)
+      (set-buffer (get-buffer-create preview-buffer))
       (widen)
       (erase-buffer)
       (setq mime-raw-buffer raw-buffer)
@@ -1081,11 +946,10 @@ The compressed face will be piped to this command.")
       (setq mime-preview-original-window-configuration win-conf)
       (setq major-mode 'mime-view-mode)
       (setq mode-name "MIME-View")
-      (mime-view-display-entity message message
-                               preview-buffer
-                               '((entity-button . invisible)
-                                 (header . visible)
-                                 ))
+      (mime-display-entity message nil
+                          '((entity-button . invisible)
+                            (header . visible))
+                          preview-buffer)
       (mime-view-define-keymap default-keymap-or-function)
       (let ((point
             (next-single-property-change (point-min) 'mime-view-entity)))
@@ -1095,19 +959,21 @@ The compressed face will be piped to this command.")
          (search-forward "\n\n" nil t)
          ))
       (run-hooks 'mime-view-mode-hook)
-      ))
-  (set-buffer-modified-p nil)
-  (setq buffer-read-only t)
-  )
+      (set-buffer-modified-p nil)
+      (setq buffer-read-only t)
+      (or (get-buffer-window preview-buffer)
+         (let ((r-win (get-buffer-window raw-buffer)))
+           (if r-win
+               (set-window-buffer r-win preview-buffer)
+             (switch-to-buffer preview-buffer)
+             )))
+      )))
 
 (defun mime-view-buffer (&optional raw-buffer preview-buffer mother
                                   default-keymap-or-function)
   (interactive)
-  (mime-view-display-message
-   (save-excursion
-     (if raw-buffer (set-buffer raw-buffer))
-     (mime-parse-message)
-     )
+  (mime-display-message
+   (mime-parse-buffer raw-buffer)
    preview-buffer mother default-keymap-or-function))
 
 (defun mime-view-mode (&optional mother ctl encoding
@@ -1131,17 +997,16 @@ v                Decode current content as `play mode'
 e              Decode current content as `extract mode'
 C-c C-p                Decode current content as `print mode'
 a              Followup to current content.
-x              Display X-Face
 q              Quit
 button-2       Move to point under the mouse cursor
                and decode current content as `play mode'
 "
   (interactive)
-  (mime-view-display-message
+  (mime-display-message
    (save-excursion
      (if raw-buffer (set-buffer raw-buffer))
      (or mime-view-redisplay
-        (mime-parse-message ctl encoding))
+        (setq mime-message-structure (mime-parse-message ctl encoding)))
      )
    preview-buffer mother default-keymap-or-function))
 
@@ -1177,7 +1042,7 @@ It decodes current entity to call internal or external method as
 (defun mime-preview-follow-current-entity ()
   "Write follow message to current entity.
 It calls following-method selected from variable
-`mime-view-following-method-alist'."
+`mime-preview-following-method-alist'."
   (interactive)
   (let (entity)
     (while (null (setq entity
@@ -1292,7 +1157,7 @@ It calls following-method selected from variable
              ))
          (eword-decode-header)
          )
-       (let ((f (cdr (assq mode mime-view-following-method-alist))))
+       (let ((f (cdr (assq mode mime-preview-following-method-alist))))
          (if (functionp f)
              (funcall f new-buf)
            (message
@@ -1303,17 +1168,6 @@ It calls following-method selected from variable
        ))))
 
 
-;;; @@ X-Face
-;;;
-
-(defun mime-preview-display-x-face ()
-  (interactive)
-  (save-window-excursion
-    (set-buffer mime-raw-buffer)
-    (mime-view-x-face-function)
-    ))
-
-
 ;;; @@ moving
 ;;;
 
@@ -1344,7 +1198,7 @@ If there is no upper entity, call function `mime-preview-quit'."
 (defun mime-preview-move-to-previous ()
   "Move to previous entity.
 If there is no previous entity, it calls function registered in
-variable `mime-view-over-to-previous-method-alist'."
+variable `mime-preview-over-to-previous-method-alist'."
   (interactive)
   (while (null (get-text-property (point) 'mime-view-entity))
     (backward-char)
@@ -1357,7 +1211,7 @@ variable `mime-view-over-to-previous-method-alist'."
          (mime-preview-move-to-previous)
          )
       (let ((f (assq (mime-preview-original-major-mode)
-                    mime-view-over-to-previous-method-alist)))
+                    mime-preview-over-to-previous-method-alist)))
        (if f
            (funcall (cdr f))
          ))
@@ -1366,7 +1220,7 @@ variable `mime-view-over-to-previous-method-alist'."
 (defun mime-preview-move-to-next ()
   "Move to next entity.
 If there is no previous entity, it calls function registered in
-variable `mime-view-over-to-next-method-alist'."
+variable `mime-preview-over-to-next-method-alist'."
   (interactive)
   (while (null (get-text-property (point) 'mime-view-entity))
     (forward-char)
@@ -1379,7 +1233,7 @@ variable `mime-view-over-to-next-method-alist'."
              (mime-preview-move-to-next)
            ))
       (let ((f (assq (mime-preview-original-major-mode)
-                    mime-view-over-to-next-method-alist)))
+                    mime-preview-over-to-next-method-alist)))
        (if f
            (funcall (cdr f))
          ))
@@ -1388,14 +1242,14 @@ variable `mime-view-over-to-next-method-alist'."
 (defun mime-preview-scroll-up-entity (&optional h)
   "Scroll up current entity.
 If reached to (point-max), it calls function registered in variable
-`mime-view-over-to-next-method-alist'."
+`mime-preview-over-to-next-method-alist'."
   (interactive)
   (or h
       (setq h (1- (window-height)))
       )
   (if (= (point) (point-max))
       (let ((f (assq (mime-preview-original-major-mode)
-                     mime-view-over-to-next-method-alist)))
+                     mime-preview-over-to-next-method-alist)))
         (if f
             (funcall (cdr f))
           ))
@@ -1411,14 +1265,14 @@ If reached to (point-max), it calls function registered in variable
 (defun mime-preview-scroll-down-entity (&optional h)
   "Scroll down current entity.
 If reached to (point-min), it calls function registered in variable
-`mime-view-over-to-previous-method-alist'."
+`mime-preview-over-to-previous-method-alist'."
   (interactive)
   (or h
       (setq h (1- (window-height)))
       )
   (if (= (point) (point-min))
       (let ((f (assq (mime-preview-original-major-mode)
-                    mime-view-over-to-previous-method-alist)))
+                    mime-preview-over-to-previous-method-alist)))
         (if f
             (funcall (cdr f))
           ))
@@ -1455,17 +1309,6 @@ It calls function registered in variable
        (funcall (cdr r))
       )))
 
-(defun mime-preview-show-summary ()
-  "Show summary.
-It calls function registered in variable
-`mime-view-show-summary-method'."
-  (interactive)
-  (let ((r (assq (mime-preview-original-major-mode)
-                mime-view-show-summary-method)))
-    (if r
-       (funcall (cdr r))
-      )))
-
 (defun mime-preview-kill-buffer ()
   (interactive)
   (kill-buffer (current-buffer))