X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=tm-view.el;h=30b5bd17ef683d2fa1a917767558a53c3fada210;hb=53ab6c426401d04d0d0ce99d6df144187be6ba01;hp=0eb936951723cbb4428e218d2e3a0fce524deed9;hpb=7ea8c7377706103d8f9afc39e3f29e5454ef6404;p=elisp%2Ftm.git

diff --git a/tm-view.el b/tm-view.el
index 0eb9369..30b5bd1 100644
--- a/tm-view.el
+++ b/tm-view.el
@@ -1,62 +1,75 @@
 ;;;
-;;; A MIME viewer for GNU Emacs
+;;; tm-view.el --- interactive MIME viewer for GNU Emacs
 ;;;
-;;; by Morioka Tomohiko, 1994/07/13
-
-(provide 'tm-view)
-
-
-;;; @ require modules
+;;; Copyright (C) 1995 Free Software Foundation, Inc.
+;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
+;;;
+;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;; modified by Steven L. Baur <steve@miranova.com>
+;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;; Created: 1994/7/13 (1994/8/31 obsolete tm-body.el)
+;;; Version: $Revision: 7.65 $
+;;; Keywords: mail, news, MIME, multimedia
 ;;;
+;;; This file is part of tm (Tools for MIME).
+;;;
+;;; This program is free software; you can redistribute it and/or
+;;; modify it under the terms of the GNU General Public License as
+;;; published by the Free Software Foundation; either version 2, or
+;;; (at your option) any later version.
+;;;
+;;; This program is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with This program.  If not, write to the Free Software
+;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;;
+;;; Code:
 
 (require 'tl-str)
 (require 'tl-list)
-(require 'tl-header)
-(require 'tiny-mime)
-(require 'tm-misc)
+(require 'tl-atype)
+(require 'tl-misc)
+(require 'tl-822)
+(require 'mel)
+(require 'tm-ew-d)
+(require 'tm-def)
+(require 'tm-parse)
+(require 'tm-text)
 
 
 ;;; @ version
 ;;;
 
-(defconst mime/viewer-RCS-ID
-  "$Id: tm-view.el,v 5.19 1994/11/08 11:13:12 morioka Exp $")
-
-(defconst mime/viewer-version (get-version-string mime/viewer-RCS-ID))
-
-
-;;; @ constants
-;;;
-
-(defconst mime/tspecials "\000-\040()<>@,;:\\\"/[\093?.=")
-(defconst mime/token-regexp
-  (concat "[^" mime/tspecials "]*"))
-(defconst mime/content-type-subtype-regexp
-  (concat mime/token-regexp "/" mime/token-regexp))
-(defconst mime/content-parameter-value-regexp
-  (concat "\\("
-	  message/quoted-string-regexp
-	  "\\|[^; \t\n]*\\)"))
+(defconst mime-viewer/RCS-ID
+  "$Id: tm-view.el,v 7.65 1996/05/23 16:45:10 shuhei-k Exp $")
 
-(defconst mime/output-buffer-name "*MIME-out*")
-(defconst mime/decoding-buffer-name "*MIME-decoding*")
+(defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
+(defconst mime/viewer-version mime-viewer/version)
 
 
 ;;; @ variables
 ;;;
 
 (defvar mime/content-decoding-condition
-;;(setq mime/content-decoding-condition
   '(((type . "text/plain")
      (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
-    ((type . "text/x-latex")
-     (method "tm-latex" nil 'file 'type 'encoding 'mode 'name))
+    ((type . "text/html")
+     (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
+     (mode . "play"))
+    ((type . "text/x-rot13-47")
+     (method . mime-article/decode-caesar))
+    
     ((type . "audio/basic")
      (method "tm-au"    nil 'file 'type 'encoding 'mode 'name))
-    ((type . "image/gif")
-     (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
+    
     ((type . "image/jpeg")
      (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
+    ((type . "image/gif")
+     (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
     ((type . "image/tiff")
      (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
     ((type . "image/x-tiff")
@@ -65,885 +78,1068 @@
      (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
     ((type . "image/x-pic")
      (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
+    ((type . "image/x-mag")
+     (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
+    
     ((type . "video/mpeg")
      (method "tm-mpeg"  nil 'file 'type 'encoding 'mode 'name))
+    
     ((type . "application/octet-stream")
      (method "tm-file"  nil 'file 'type 'encoding 'mode 'name))
+    
     ;;((type . "message/external-body")
     ;; (method "xterm" nil
     ;;	       "-e" "showexternal"
     ;;         'file '"access-type" '"name" '"site" '"directory"))
+    ((type . "message/rfc822")
+     (method . mime-article/view-message/rfc822))
     ((type . "message/partial")
-     (method . mime/decode-message/partial-region))
+     (method . mime-article/decode-message/partial))
+    
     ((method "metamail" t
 	     "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
+    ((method "tm-file"  nil 'file 'type 'encoding 'mode 'name)
+     (mode . "extract"))
     ))
 
-(defvar mime/content-filter-alist
-  '(("text/plain" . mime/decode-text/plain)))
-
-(defvar mime/make-content-subject-function
-  (function
-   (lambda (cid subj ctype)
-     (insert
-      (format "[%s %s (%s)]\n"
-	      (if (listp cid)
-		  (mapconcat (function
-			      (lambda (num)
-				(format "%s" (+ num 1))
-				))
-			     cid ".")
-		"0")
-	      subj (car ctype)))
-     )))
-
-(defvar mime/make-content-header-filter
-;;(setq mime/make-content-header-filter
-  (function
-   (lambda (cid)
-     (if (listp cid)
-	 (delete-region (goto-char (point-min))
-			(or (and (re-search-forward "^$" nil t)
-				 (match-end 0))
-			    (point-max))
-			)
-       )
-     )))
-
-(defvar mime/default-showing-Content-Type-list
-;;(setq mime/default-showing-Content-Type-list
-  '("text/plain" "text/richtext" "text/enriched" "text/x-latex" nil))
-
-(defvar mime/go-to-top-node-method-alist
-;;(setq mime/go-to-top-node-method-alist
-  '((gnus-article-mode . (lambda ()
-			   (mime/exit-view-mode)
-			   (delete-other-windows)
-			   (gnus-article-show-summary)
-			   ))
-    (rmail-mode . (lambda ()
-		    (mime/exit-view-mode)
-		    (rmail-summary)
-		    (delete-other-windows)
-		    ))
-    (mh-show-mode . (lambda ()
-		      (let ((win (get-buffer-window
-				  mime/output-buffer-name))
-			    (buf
-			     (nth 2 (car mime/preview-flat-content-list)))
-			    )
-			(if win
-			    (delete-window win)
-			  )
-			(mime/exit-view-mode)
-			(pop-to-buffer
-			 (let ((name (buffer-name buf)))
-			   (string-match "show-" name)
-			   (substring name (match-end 0))
-			   ))
-			)))
-    (mime/show-message-mode . (lambda ()
-				(set-window-configuration
-				 mime/show-mode-old-window-configuration)
-				(let ((mother mime/mother-buffer))
-				  (kill-buffer
-				   (nth 2 (car
-					   mime/preview-flat-content-list)))
-				  (mime/exit-view-mode)
-				  (pop-to-buffer mother)
-				  (goto-char (point-min))
-				  (mime/up-content)
-				  )))
+(defvar mime-viewer/childrens-header-showing-Content-Type-list
+  '("message/rfc822" "message/news"))
+
+(defvar mime-viewer/default-showing-Content-Type-list
+  '("text/plain" nil "text/richtext" "text/enriched"
+    "text/x-latex" "application/x-latex"
+    "message/delivery-status"
+    "application/pgp" "text/x-pgp"
+    "application/octet-stream"
+    "application/x-selection" "application/x-comment"))
+
+(defvar mime-viewer/content-button-ignored-ctype-list
+  '("application/x-selection"))
+
+(defvar mime-viewer/content-button-visible-ctype-list
+  '("application/pgp"))
+
+(defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
+
+(defvar mime-viewer/ignored-field-list
+  '(".*Received" ".*Path" ".*Id" "References"
+    "Replied" "Errors-To"
+    "Lines" "Sender" ".*Host" "Xref"
+    "Content-Type" "Precedence"
+    "Status" "X-VM-.*")
+  "All fields that match this list will be hidden in MIME preview buffer.
+Each elements are regexp of field-name. [tm-view.el]")
+
+(defvar mime-viewer/ignored-field-regexp
+  (concat "^"
+	  (apply (function regexp-or) mime-viewer/ignored-field-list)
+	  ":"))
+
+(defvar mime-viewer/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. [tm-view.el]")
+
+(defvar mime-viewer/visible-field-regexp
+  (concat "^"
+	  (apply (function regexp-or) mime-viewer/visible-field-list)
+	  ":"))
+
+(defvar mime-viewer/redisplay nil)
+
+(defvar mime-viewer/announcement-for-message/partial
+  (if (and (>= emacs-major-version 19) window-system)
+      "\
+\[[ This is message/partial style split message. ]]
+\[[ Please press `v' key in this buffer          ]]
+\[[ or click here by mouse button-2.             ]]"
+    "\
+\[[ This is message/partial style split message. ]]
+\[[ Please press `v' key in this buffer.         ]]"
     ))
 
-(defvar mime/use-internal-decoder nil)
 
-(defvar mime/body-decoding-mode "play" "MIME body decoding mode")
+;;; @@ predicate functions
+;;;
+
+(defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
+  (or (null rcnum)
+      (progn
+	(setq ctype
+	      (mime::content-info/type
+	       (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
+	       ))
+	(member ctype mime-viewer/childrens-header-showing-Content-Type-list)
+	)))
+
+(defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
+  (let (ccinfo)
+    (or ctype
+	(setq ctype
+	      (mime::content-info/type
+	       (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
+	       ))
+	)
+    (and (member ctype mime-viewer/default-showing-Content-Type-list)
+	 (if (string-equal ctype "application/octet-stream")
+	     (progn
+	       (or ccinfo
+		   (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
+		   )
+	       (member (mime::content-info/encoding ccinfo)
+		       '(nil "7bit" "8bit"))
+	       )
+	   t))
+    ))
 
 
-;;; @ parser
+;;; @@ content button
 ;;;
 
-(defun mime/parse-contents ()
-  (save-excursion
-    (save-restriction
-      (goto-char (point-min))
-      (let* ((ctl (mime/Content-Type))
-	     (ctype (car ctl))
-	     (boundary (assoc "boundary" (cdr ctl)))
-	     beg end dest)
-	(if (stringp ctype)
-	    (setq ctype (downcase ctype))
-	  )
-	(search-forward "\n\n" nil t)
-	(cond (boundary
-	       (let ((sep (concat "\n--"
-				  (setq boundary
-					(message/strip-quoted-string
-					 (cdr boundary)))
-				  "\n"))
-		     cb ce ct ret ncb)
-		 (setq beg (match-end 0))
-		 (search-forward (concat "\n--" boundary "--\n") nil t)
-		 (setq end (match-beginning 0))
-		 (save-excursion
-		   (save-restriction
-		     (narrow-to-region beg end)
-		     (goto-char (point-min))
-		     (search-forward (concat "--" boundary "\n") nil t)
-		     (setq cb (match-end 0))
-		     (while (search-forward sep nil t)
-		       (setq ce (match-beginning 0))
-		       (setq ncb (match-end 0))
-		       (save-excursion
-			 (save-restriction
-			   (narrow-to-region cb ce)
-			   (setq ret (mime/parse-contents))
-			   ))
-		       (setq dest (nconc dest (list ret)))
-		       (goto-char (nth 1 ret))
-		       (search-forward (concat "--" boundary "\n") nil t)
-		       (goto-char (setq cb (match-end 0)))
+(defun mime-preview/insert-content-button
+  (rcnum cinfo ctype params subj encoding)
+  (save-restriction
+    (narrow-to-region (point)(point))
+    (let ((access-type (assoc "access-type" params))
+	  (charset (assoc "charset" params))
+	  (num (or (assoc-value "x-part-number" params)
+		   (if (consp rcnum)
+		       (mapconcat (function
+				   (lambda (num)
+				     (format "%s" (1+ num))
+				     ))
+				  (reverse rcnum) ".")
+		     "0"))
+	       ))
+      (cond (access-type
+	     (let ((server (assoc "server" params)))
+	       (setq access-type (cdr access-type))
+	       (if server
+		   (insert (format "[%s %s ([%s] %s)]\n" num subj
+				   access-type (cdr server)))
+		 (let ((site (assoc-value "site" params))
+		       (dir (assoc-value "directory" params))
 		       )
-		     (setq ce (point-max))
-		     (save-excursion
-		       (save-restriction
-			 (narrow-to-region cb ce)
-			 (setq ret (mime/parse-contents))
-			 ))
-		     (setq dest (append dest (list ret)))
-		     ))
-		 (setq beg (point-min))
-		 (goto-char beg)
-		 (search-forward (concat "\n--" boundary "--\n") nil t)
-		 (setq end (match-beginning 0))
-		 ))
-	      ((string= ctype "message/rfc822")
-	       (save-excursion
-		 (save-restriction
-		   (narrow-to-region (match-end 0) (point-max))
-		   (setq dest (list (mime/parse-contents)))
-		   ))
-	       (setq beg (point-min))
-	       (setq end (point-max))
-	       )
-	      (t (setq beg (point-min))
-		 (setq end (point-max))
-		 ))
-	(list beg end dest)
-	))))
-
-(defun mime/Content-Type ()
-  (save-excursion
-    (save-restriction
-      (if (and (re-search-forward "^Content-Type:[ \t]*" nil t)
-		 (progn
-		   (narrow-to-region
-		    (point)
-		    (and (re-search-forward ".*\\(\n[ \t].*\\)*" nil t)
-			 (match-end 0))
-		    )
-		   (goto-char (point-min))
-		   (re-search-forward mime/content-type-subtype-regexp nil t)
-		   ))
-	    (let ((ctype
-		   (downcase
-		    (buffer-substring (match-beginning 0) (match-end 0))
-		    ))
-		  dest attribute value)
-	      (while (and (re-search-forward "[ \t\n]*;[ \t\n]*" nil t)
-			  (re-search-forward mime/token-regexp nil t)
+		   (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
+				   access-type site dir))
+		   )))
+	     )
+	    (t
+	     (insert (concat "[" num " " subj))
+	     (let ((rest
+		    (if (setq charset (cdr charset))
+			(if encoding
+			    (format " <%s; %s (%s)>]\n"
+				    ctype charset encoding)
+			  (format " <%s; %s>]\n" ctype charset)
 			  )
-		(setq attribute
-		      (downcase
-		       (buffer-substring (match-beginning 0) (match-end 0))
-		       ))
-		(if (and (re-search-forward "=[ \t\n]*" nil t)
-			 (re-search-forward mime/content-parameter-value-regexp
-					    nil t)
-			 )
-		    (setq dest
-			  (put-alist attribute
-				     (message/strip-quoted-string
-				      (buffer-substring (match-beginning 0)
-							(match-end 0)))
-				     dest))
-		  )
-		)
-	      (cons ctype dest)
-	      )))))
+		      (format " <%s>]\n" ctype)
+		      )))
+	       (if (>= (+ (current-column)(length rest))(window-width))
+		   (setq rest (concat "\n\t" rest))
+		 )
+	       (insert rest)
+	       ))))
+    (tm:add-button (point-min)(1- (point-max))
+		   (function mime-viewer/play-content))
+    ))
 
-(defun mime/Content-Transfer-Encoding (&optional default-encoding)
-  (save-excursion
-    (save-restriction
-      (if (and (re-search-forward "^Content-Transfer-Encoding:[ \t]*" nil t)
-	       (re-search-forward mime/token-regexp nil t)
-	       )
-	  (downcase (buffer-substring (match-beginning 0) (match-end 0)))
-	default-encoding)
-      )))
+(defun mime-preview/default-content-button-function
+  (rcnum cinfo ctype params subj encoding)
+  (if (and (consp rcnum)
+	   (not (member
+		 ctype
+		 mime-viewer/content-button-ignored-ctype-list)))
+      (mime-preview/insert-content-button
+       rcnum cinfo ctype params subj encoding)
+    ))
 
-(defun mime/get-subject (param)
-  (save-excursion
-    (save-restriction
-      (let (ret)
-	(or (and (setq ret (assoc "name" param))
-		 (message/strip-quoted-string (cdr ret))
-		 )
-	    (and (setq ret (assoc "x-name" param))
-		 (message/strip-quoted-string (cdr ret))
+(defvar mime-preview/content-button-function
+  (function mime-preview/default-content-button-function))
+
+
+;;; @@ content header filter
+;;;
+
+(defun mime-preview/cut-header ()
+  (goto-char (point-min))
+  (while (and
+	  (re-search-forward mime-viewer/ignored-field-regexp nil t)
+	  (let* ((beg (match-beginning 0))
+		 (end (match-end 0))
+		 (name (buffer-substring beg end))
 		 )
-	    (progn
-	      (narrow-to-region (point-min)
-				(or (and (search-forward "\n\n" nil t)
-					 (match-beginning 0)
-					 )
-				    (point-max)))
-	      (or
-	       (message/get-field-body "Content-Description")
-	       (message/get-field-body "Subject")
-	       ))
-	    ""))
-      )))
+	    (if (not (string-match mime-viewer/visible-field-regexp name))
+		(delete-region
+		 beg
+		 (save-excursion
+		   (and
+		    (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
+		    (match-beginning 0)
+		    )))
+	      )
+	    t)))
+  )
 
-(defun mime/get-name (param)
-  (replace-as-filename (mime/get-subject param))
+(defun mime-viewer/default-content-header-filter ()
+  (mime-preview/cut-header)
+  (mime/decode-message-header)
   )
 
-(defun mime/make-preview-buffer (&optional buf cl obuf)
-  (let ((the-buf (current-buffer)) fcl)
-    (if (null buf)
-	(setq buf (current-buffer))
-      (setq buf (get-buffer buf))
+(defvar mime-viewer/content-header-filter-alist nil)
+
+
+;;; @@ content filter
+;;;
+
+(defvar mime-viewer/content-filter-alist
+  '(("text/enriched" . mime-preview/filter-for-text/enriched)
+    ("text/richtext" . mime-preview/filter-for-text/richtext)
+    (t . mime-preview/filter-for-text/plain)
+    ))
+
+
+;;; @@ content separator
+;;;
+
+(defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
+  (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
+	   (not (mime-viewer/body-visible-p rcnum cinfo ctype))
+	   )
+      (progn
+	(goto-char (point-max))
+	(insert "\n")
+	)))
+
+
+;;; @@ buffer local variables
+;;;
+
+;; for XEmacs
+(defvar mime::article/preview-buffer nil)
+(defvar mime::article/code-converter nil)
+(defvar mime::preview/article-buffer nil)
+
+(make-variable-buffer-local 'mime::article/content-info)
+(make-variable-buffer-local 'mime::article/preview-buffer)
+(make-variable-buffer-local 'mime::article/code-converter)
+
+(make-variable-buffer-local 'mime::preview/mother-buffer)
+(make-variable-buffer-local 'mime::preview/content-list)
+(make-variable-buffer-local 'mime::preview/article-buffer)
+(make-variable-buffer-local 'mime::preview/original-major-mode)
+(make-variable-buffer-local 'mime::preview/original-window-configuration)
+
+
+;;; @@ quitting method
+;;;
+
+(defvar mime-viewer/quitting-method-alist
+  '((mime/show-message-mode
+     . mime-viewer/quitting-method-for-mime/show-message-mode)))
+
+(defvar mime-viewer/over-to-previous-method-alist nil)
+(defvar mime-viewer/over-to-next-method-alist nil)
+
+(defvar mime-viewer/show-summary-method nil)
+
+
+;;; @@ following method
+;;;
+
+(defvar mime-viewer/following-method-alist nil)
+
+
+;;; @@ X-Face
+;;;
+
+;; hack from Gnus 5.0.4.
+
+(defvar mime-viewer/x-face-to-pbm-command
+  "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
+
+(defvar mime-viewer/x-face-command
+  (concat mime-viewer/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-viewer/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 (rfc822/field-end))
+	      )
+	  (call-process-region beg end "sh" nil 0 nil
+			       "-c" mime-viewer/x-face-command)
+	  ))))
+
+
+;;; @@ utility
+;;;
+
+(defun mime-preview/get-original-major-mode ()
+  (if mime::preview/mother-buffer
+      (save-excursion
+	(set-buffer mime::preview/mother-buffer)
+	(mime-preview/get-original-major-mode)
+	)
+    mime::preview/original-major-mode))
+
+
+;;; @ data structures
+;;;
+
+;;; @@ preview-content-info
+;;;
+
+(define-structure mime::preview-content-info
+  point-min point-max buffer content-info)
+
+
+;;; @ buffer setup
+;;;
+
+(defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
+  (if ibuf
+      (progn
+	(get-buffer ibuf)
+	(set-buffer ibuf)
+	))
+  (or mime-viewer/redisplay
+      (setq mime::article/content-info (mime/parse-message ctl encoding))
       )
-    (if (null cl)
-	(progn
-	  (switch-to-buffer buf)
-	  (setq cl mime/content-list)
-	  ))
-    (if (null obuf)
-	(setq obuf (concat "*Preview-" (buffer-name buf) "*"))
+  (let ((ret (mime-viewer/make-preview-buffer obuf)))
+    (setq mime::article/preview-buffer (car ret))
+    ret))
+
+(defun mime-viewer/make-preview-buffer (&optional obuf)
+  (let* ((cinfo mime::article/content-info)
+	 (pcl (mime/flatten-content-info cinfo))
+	 (dest (make-list (length pcl) nil))
+	 (the-buf (current-buffer))
+	 (mode major-mode)
+	 )
+    (or obuf
+	(setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
+    (set-buffer (get-buffer-create obuf))
+    (setq buffer-read-only nil)
+    (widen)
+    (erase-buffer)
+    (setq mime::preview/article-buffer the-buf)
+    (setq mime::preview/original-major-mode mode)
+    (setq major-mode 'mime/viewer-mode)
+    (setq mode-name "MIME-View")
+    (let ((drest dest))
+      (while pcl
+	(setcar drest
+		(mime-preview/display-content (car pcl) cinfo the-buf obuf))
+	(setq pcl (cdr pcl)
+	      drest (cdr drest))
+	))
+    (set-buffer-modified-p nil)
+    (setq buffer-read-only t)
+    (set-buffer the-buf)
+    (list obuf dest)
+    ))
+
+(defun mime-preview/display-content (content cinfo ibuf obuf)
+  (let* ((beg (mime::content-info/point-min content))
+	 (end (mime::content-info/point-max content))
+	 (ctype (mime::content-info/type content))
+	 (params (mime::content-info/parameters content))
+	 (encoding (mime::content-info/encoding content))
+	 (rcnum (mime::content-info/rcnum content))
+	 he e nb ne subj)
+    (set-buffer ibuf)
+    (goto-char beg)
+    (setq he (if (re-search-forward "^$" nil t)
+		 (1+ (match-end 0))
+	       end))
+    (if (> he end)
+	(setq he end)
       )
-    (setq fcl (mime/make-flat-content-list cl))
-    (if (get-buffer obuf)
-	(kill-buffer obuf)
+    (save-restriction
+      (narrow-to-region beg end)
+      (setq subj
+	    (mime-eword/decode-string
+	     (mime-article/get-subject params encoding)))
       )
-    (let ((r fcl) cell cid ctype beg end e nb ne subj dest str)
-      (while r
-	(setq cell (car r))
-	(setq beg (car cell))
-	(setq end (nth 1 cell))
-	(setq cid (mime/get-point-content-number beg cl))
-	(switch-to-buffer buf)
+    (set-buffer obuf)
+    (setq nb (point))
+    (narrow-to-region nb nb)
+    (funcall mime-preview/content-button-function
+	     rcnum cinfo ctype params subj encoding)
+    (if (mime-viewer/header-visible-p rcnum cinfo ctype)
+	(mime-preview/display-header beg he)
+      )
+    (if (and (null rcnum)
+	     (member
+	      ctype mime-viewer/content-button-visible-ctype-list))
 	(save-excursion
-	  (save-restriction
-	    (narrow-to-region beg end)
-	    (goto-char beg)
-	    (setq ctype (mime/Content-Type))
-	    (setq e
-		  (if (not (member (car ctype)
-				   mime/default-showing-Content-Type-list))
-		      (progn
-			(goto-char beg)
-			(search-forward "\n\n" nil t)
-			(match-end 0)
-			)
-		    (+ end 1)
-		    ))
-	    ))
-	(if (> e (point-max))
-	    (setq e (point-max))
+	  (goto-char (point-max))
+	  (mime-preview/insert-content-button
+	   rcnum cinfo ctype params subj encoding)
+	  ))
+    (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
+	   (mime-preview/display-body he end
+				      rcnum cinfo ctype params subj encoding)
+	   )
+	  ((equal ctype "message/partial")
+	   (mime-preview/display-message/partial)
+	   )
+	  ((and (null rcnum)
+		(null (mime::content-info/children cinfo))
+		)
+	   (goto-char (point-max))
+	   (mime-preview/insert-content-button
+	    rcnum cinfo ctype params subj encoding)
+	   ))
+    (mime-preview/default-content-separator rcnum cinfo ctype params subj)
+    (prog1
+	(progn
+	  (setq ne (point-max))
+	  (widen)
+	  (mime::preview-content-info/create nb (1- ne) ibuf content)
 	  )
-	(setq str (buffer-substring beg e))
-	(switch-to-buffer obuf)
-	(setq nb (point))
-	(insert str)
-	(setq ne (point))
-	(save-excursion
-	  (save-restriction
-	    (narrow-to-region nb ne)
-	    (mime/decode-message-header)
-	    (setq subj (mime/get-subject (cdr ctype)))
-	    (let ((f (cdr (assoc (car ctype) mime/content-filter-alist))))
-	      (if (and f (fboundp f))
-		  (funcall f ctype)
-		))
-	    (funcall mime/make-content-header-filter cid)
-	    (goto-char nb)
-	    (funcall mime/make-content-subject-function cid subj ctype)
-	    (setq ne (point-max))
-	    (setq dest (nconc dest (list (list nb (- ne 1) buf beg end))))
-	    ))
-	(goto-char ne)
-	(setq r (cdr r))
-	)
-      (set-buffer-modified-p nil)
-      (setq buffer-read-only t)
-      (switch-to-buffer the-buf)
-      (list obuf dest)
+      (goto-char ne)
       )))
 
-(defun mime/parse-message ()
-  (interactive)
-  (make-variable-buffer-local 'mime/content-list)
-  (setq mime/content-list (mime/parse-contents))
-  (let ((ret (mime/make-preview-buffer)))
-    (make-variable-buffer-local 'mime/preview-buffer)
-    (setq mime/preview-buffer (car ret))
-    ret))
+(defun mime-preview/display-header (beg end)
+  (save-restriction
+    (narrow-to-region (point)(point))
+    (insert-buffer-substring mime::preview/article-buffer beg end)
+    (let ((f (cdr (assq mime::preview/original-major-mode
+			mime-viewer/content-header-filter-alist))))
+      (if (functionp f)
+	  (funcall f)
+	(mime-viewer/default-content-header-filter)
+	))
+    (run-hooks 'mime-viewer/content-header-filter-hook)
+    ))
+
+(defun mime-preview/display-body (beg end
+				      rcnum cinfo ctype params subj encoding)
+  (save-restriction
+    (narrow-to-region (point-max)(point-max))
+    (insert-buffer-substring mime::preview/article-buffer beg end)
+    (let ((f (cdr (or (assoc ctype mime-viewer/content-filter-alist)
+		      (assq t mime-viewer/content-filter-alist)))))
+      (and (functionp f)
+	   (funcall f ctype params encoding)
+	   )
+      )))
+
+(defun mime-preview/display-message/partial ()
+  (save-restriction
+    (goto-char (point-max))
+    (if (not (search-backward "\n\n" nil t))
+	(insert "\n")
+      )
+    (let ((be (point-max)))
+      (narrow-to-region be be)
+      (insert mime-viewer/announcement-for-message/partial)
+      (tm:add-button (point-min)(point-max)
+		     (function mime-viewer/play-content))
+      )))
+
+(defun mime-article/get-uu-filename (param &optional encoding)
+  (if (member (or encoding
+		  (cdr (assq 'encoding param))
+		  )
+	      mime-viewer/uuencode-encoding-name-list)
+      (save-excursion
+	(or (if (re-search-forward "^begin [0-9]+ " nil t)
+		(if (looking-at ".+$")
+		    (buffer-substring (match-beginning 0)(match-end 0))
+		  ))
+	    ""))
+    ))
+
+(defun mime-article/get-subject (param &optional encoding)
+  (or (rfc822/get-field-body "Content-Description")
+      (rfc822/get-field-body "Subject")
+      (let (ret)
+	(if (or (and (setq ret (mime/Content-Disposition))
+		     (setq ret (assoc "filename" (cdr ret)))
+		     )
+		(setq ret (assoc "name" param))
+		(setq ret (assoc "x-name" param))
+		)
+	    (rfc822/strip-quoted-string (cdr ret))
+	  ))
+      (mime-article/get-uu-filename param encoding)
+      ""))
+
 
 ;;; @ content information
 ;;;
 
-(defun mime/get-point-content-number (p &optional cl)
-  (if (null cl)
-      (setq cl mime/content-list)
-    )
-  (let ((b (car cl))
-	(e (nth 1 cl))
-	(c (nth 2 cl))
+(defun mime-article/point-content-number (p &optional cinfo)
+  (or cinfo
+      (setq cinfo mime::article/content-info)
+      )
+  (let ((b (mime::content-info/point-min cinfo))
+	(e (mime::content-info/point-max cinfo))
+	(c (mime::content-info/children cinfo))
 	)
     (if (and (<= b p)(<= p e))
 	(or (let (co ret (sn 0))
 	      (catch 'tag
 		(while c
 		  (setq co (car c))
-		  (setq ret (mime/get-point-content-number p co))
+		  (setq ret (mime-article/point-content-number p co))
 		  (cond ((eq ret t) (throw 'tag (list sn)))
 			(ret (throw 'tag (cons sn ret)))
 			)
 		  (setq c (cdr c))
-		  (setq sn (+ sn 1))
+		  (setq sn (1+ sn))
 		  )))
 	    t))))
 
-(defun mime/get-content-region (cn &optional cl)
-  (if (null cl)
-      (setq cl mime/content-list)
-    )
+(defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
+  (or cinfo
+      (setq cinfo mime::article/content-info)
+      )
+  (some-element
+   (function
+    (lambda (ci)
+      (equal (mime::content-info/rcnum ci) rcnum)
+      ))
+   (mime/flatten-content-info cinfo)
+   ))
+
+(defun mime-article/cnum-to-cinfo (cn &optional cinfo)
+  (or cinfo
+      (setq cinfo mime::article/content-info)
+      )
   (if (eq cn t)
-      cl
+      cinfo
     (let ((sn (car cn)))
       (if (null sn)
-	  cl
-	(let ((rcl (nth sn (nth 2 cl))))
-	  (if rcl
-	      (mime/get-content-region (cdr cn) rcl)
+	  cinfo
+	(let ((rc (nth sn (mime::content-info/children cinfo))))
+	  (if rc
+	      (mime-article/cnum-to-cinfo (cdr cn) rc)
 	    ))
 	))))
 
-(defun mime/make-flat-content-list (&optional cl)
-  (if (null cl)
-      (setq cl mime/content-list)
-    )
-  (let ((dest (list cl))
-	(rcl (nth 2 cl))
+(defun mime/flatten-content-info (&optional cinfo)
+  (or cinfo
+      (setq cinfo mime::article/content-info)
+      )
+  (let ((dest (list cinfo))
+	(rcl (mime::content-info/children cinfo))
 	)
     (while rcl
-      (setq dest (append dest (mime/make-flat-content-list (car rcl))))
+      (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
       (setq rcl (cdr rcl))
       )
     dest))
 
-(defun mime/get-point-preview-content (p &optional fcl)
-  (if (null fcl)
-      (setq fcl mime/preview-flat-content-list)
-    )
+(defun mime-preview/point-pcinfo (p &optional pcl)
+  (or pcl
+      (setq pcl mime::preview/content-list)
+      )
   (catch 'tag
-    (let ((r fcl) cell)
+    (let ((r pcl) cell)
       (while r
 	(setq cell (car r))
-	(if (and (<= (car cell) p)(<= p (nth 1 cell)))
+	(if (and (<= (mime::preview-content-info/point-min cell) p)
+		 (<= p (mime::preview-content-info/point-max cell))
+		 )
 	    (throw 'tag cell)
 	  )
 	(setq r (cdr r))
 	))
-    (car (last fcl))
+    (car (last pcl))
     ))
 
 
-;;; @ decoder
-;;;
-
-(defun mime/Quoted-Printable-decode-region (beg end)
-  (interactive "*r")
-  (save-excursion
-    (save-restriction
-      (narrow-to-region beg end)
-      (goto-char (point-min))
-      (while (re-search-forward "=\n" nil t)
-	(replace-match "")
-	)
-      (goto-char (point-min))
-      (let (b e str)
-	(while (re-search-forward mime/Quoted-Printable-octet-regexp nil t)
-	  (setq b (match-beginning 0))
-	  (setq e (match-end 0))
-	  (setq str (buffer-substring b e))
-	  (delete-region b e)
-	  (insert (mime/Quoted-Printable-decode-string str))
-	  ))
-      )))
-
-(defun mime/Base64-decode-region (beg end)
-  (interactive "*r")
-  (save-excursion
-    (save-restriction
-      (narrow-to-region beg end)
-      (goto-char (point-min))
-      (while (search-forward "\n" nil t)
-	(replace-match "")
-	)
-      (let ((str (buffer-substring (point-min)(point-max))))
-	(delete-region (point-min)(point-max))
-	(insert (mime/base64-decode-string str))
-	))))
-
-(defun mime/make-method-args (cal format)
-  (mapcar (function
-	   (lambda (arg)
-	     (if (stringp arg)
-		 arg
-	       (let ((ret (cdr (assoc (eval arg) cal))))
-		 (if ret
-		     ret
-		   "")
-		 ))
-	     ))
-	  format))
-
-(defun mime/start-external-method-region (beg end cal)
-  (let ((e end))
-    (if (< end (point-max))
-	(setq e (+ end 1))
-      )
-    (save-excursion
-      (save-restriction
-	(narrow-to-region beg e)
-	(goto-char beg)
-	(let ((method (cdr (assoc 'method cal)))
-	      (name (mime/get-name cal))
-	      )
-	  (if method
-	      (let ((file (make-temp-name
-			   (expand-file-name "TM" mime/tmp-dir)))
-		    b args)
-		(if (nth 1 method)
-		    (setq b beg)
-		  (search-forward "\n\n" nil t)
-		  (setq b (match-end 0))
-		  )
-		(goto-char b)
-		(write-region b e file)
-		(setq cal (put-alist
-			   'name (replace-as-filename name) cal))
-		(setq cal (put-alist 'file file cal))
-		(setq args (nconc
-			    (list (car method)
-				  mime/output-buffer-name (car method)
-				  )
-			    (mime/make-method-args cal (cdr (cdr method)))
-			    ))
-		(apply (function start-process) args)
-		(mime/show-output-buffer)
-		))))))
-  )
-
-(defun mime/decode-message/partial-region (beg end cal)
-  (goto-char beg)
-  (let* ((root-dir (expand-file-name
-		    (concat "m-prts-" (user-login-name)) mime/tmp-dir))
-	 (id (cdr (assoc "id" cal)))
-	 (number (cdr (assoc "number" cal)))
-	 (total (cdr (assoc "total" cal)))
-	 (the-buf (current-buffer))
-	 file
-	 (mother mime/preview-buffer))
-    (if (not (file-exists-p root-dir))
-	(shell-command (concat "mkdir " root-dir))
-      )
-    (setq id (replace-as-filename id))
-    (setq root-dir (concat root-dir "/" id))
-    (if (not (file-exists-p root-dir))
-	(shell-command (concat "mkdir " root-dir))
-      )
-    (setq file (concat root-dir "/FULL"))
-    (if (not (file-exists-p file))
-	(progn
-	  (re-search-forward "^$")
-	  (goto-char (+ (match-end 0) 1))
-	  (setq file (concat root-dir "/" number))
-	  (write-region (point) (point-max) file)
-	  (if (get-buffer "*MIME-temp*")
-	      (kill-buffer "*MIME-temp*")
-	    )
-	  (switch-to-buffer "*MIME-temp*")
-	  (let ((i 1)
-		(max (string-to-int total))
-		)
-	    (catch 'tag
-	      (while (<= i max)
-		(setq file (concat root-dir "/" (int-to-string i)))
-		(if (not (file-exists-p file))
-		    (progn
-		      (switch-to-buffer the-buf)
-		      (throw 'tag nil)
-		      ))
-		(insert-file-contents file)
-		(goto-char (point-max))
-		(setq i (+ i 1))
-		)
-	      (delete-other-windows)
-	      (write-file (concat root-dir "/FULL"))
-	      (setq major-mode 'mime/show-message-mode)
-	      (mime/viewer-mode mother)
-	      (pop-to-buffer (current-buffer))
-	      ))
-	  )
-      (progn
-	(delete-other-windows)
-	(find-file file)
-	(setq major-mode 'mime/show-message-mode)
-	(mime/viewer-mode mother)
-	(pop-to-buffer (current-buffer))
-	))
-    ))
-
-(defun mime/get-content-decoding-alist (al)
-  (get-unified-alist mime/content-decoding-condition al)
-  )
-
-(defun mime/decode-content-region (beg end)
-  (interactive "*r")
-  (let (ctl encoding)
-    (save-excursion
-      (save-restriction
-	(narrow-to-region beg end)
-	(and (goto-char beg)
-	     (setq ctl (mime/Content-Type))
-	     (goto-char beg)
-	     (setq encoding (mime/Content-Transfer-Encoding "7bit"))
-	     )))
-    (if ctl
-	(let ((ctype (downcase (car ctl))) method cal ret)
-	  (setq ctl (cdr ctl))
-	  (setq cal (nconc (list (cons 'type ctype)
-				 (cons 'encoding encoding)
-				 )
-			   ctl))
-	  (if mime/body-decoding-mode
-	      (setq cal (cons
-			 (cons 'mode mime/body-decoding-mode)
-			 cal))
-	    )
-	  (setq ret (mime/get-content-decoding-alist cal))
-	  (setq method (cdr (assoc 'method ret)))
-	  (cond ((and (symbolp method)
-		      (fboundp method))
-		 (funcall method beg end ret)
-		 )
-		((and (listp method)(stringp (car method)))
-		 (mime/start-external-method-region beg end ret)
-		 )
-		(t (mime/show-output-buffer
-		    "No method are specified for %s\n" ctype)
-		   ))
-	  ))
-    ))
-
-(defun mime/show-output-buffer (&rest forms)
-  (let ((the-buf (current-buffer)))
-    (if (null (get-buffer-window mime/output-buffer-name))
-	(split-window-vertically (/ (* (window-height) 3) 4))
-      )
-    (pop-to-buffer mime/output-buffer-name)
-    (goto-char (point-max))
-    (if forms
-	(insert (apply (function format) forms))
-      )
-    (pop-to-buffer the-buf)
-    ))
-
-
-;;; @ content filter
-;;;
-
-(defun mime/decode-text/plain (ctl)
-  (interactive)
-  (save-excursion
-    (save-restriction
-      (let ((charset (cdr (assoc "charset" (cdr ctl))))
-	    (encoding 
-	     (save-excursion
-	       (save-restriction
-		 (goto-char (point-min))
-		 (narrow-to-region (point-min)
-				   (or (and (search-forward "\n\n" nil t)
-					    (match-beginning 0))
-				       (point-max)))
-		 (goto-char (point-min))
-		 (mime/Content-Transfer-Encoding "7bit")
-		 )))
-	    (beg (point-min)) (end (point-max))
-	    )
-	(goto-char (point-min))
-	(if (search-forward "\n\n" nil t)
-	    (setq beg (match-end 0))
-	  )
-	(if (cond ((string= encoding "quoted-printable")
-		   (mime/Quoted-Printable-decode-region beg end)
-		   t)
-		  ((string= encoding "base64")
-		   (mime/Base64-decode-region beg end)
-		   t))
-	    (mime/code-convert-region-to-emacs beg (point-max) charset)
-	  )
-	))))
-
-
 ;;; @ MIME viewer mode
 ;;;
 
+(defconst mime-viewer/menu-title "MIME-View")
+(defconst mime-viewer/menu-list
+  '((up		 "Move to upper content"      mime-viewer/up-content)
+    (previous	 "Move to previous content"   mime-viewer/previous-content)
+    (next	 "Move to next content"	      mime-viewer/next-content)
+    (scroll-down "Scroll to previous content" mime-viewer/scroll-down-content)
+    (scroll-up	 "Scroll to next content"     mime-viewer/scroll-up-content)
+    (play	 "Play Content"               mime-viewer/play-content)
+    (extract	 "Extract Content"            mime-viewer/extract-content)
+    (print	 "Print"                      mime-viewer/print-content)
+    (x-face	 "Show X Face"                mime-viewer/display-x-face)
+    )
+  "Menu for MIME Viewer")
+
 (defvar mime/viewer-mode-map nil)
 (if (null mime/viewer-mode-map)
     (progn
       (setq mime/viewer-mode-map (make-keymap))
       (suppress-keymap mime/viewer-mode-map)
-      (define-key mime/viewer-mode-map "u" 'mime/up-content)
-      (define-key mime/viewer-mode-map "p" 'mime/previous-content)
-      (define-key mime/viewer-mode-map "n" 'mime/next-content)
-      (define-key mime/viewer-mode-map " " 'mime/scroll-up-content)
-      (define-key mime/viewer-mode-map "\M- " 'mime/scroll-down-content)
-      (define-key mime/viewer-mode-map "\177" 'mime/scroll-down-content)
-      (define-key mime/viewer-mode-map "\C-m" 'mime/next-line-content)
-      (define-key mime/viewer-mode-map "\C-\M-m" 'mime/previous-line-content)
-      (define-key mime/viewer-mode-map "v" 'mime/play-content)
-      (define-key mime/viewer-mode-map "e" 'mime/extract-content)
-      (define-key mime/viewer-mode-map "\C-c\C-p" 'mime/print-content)
-      (define-key mime/viewer-mode-map "q" 'mime/quit-view-mode)
-      (define-key mime/viewer-mode-map "\C-c\C-x" 'mime/exit-view-mode)
+      (define-key mime/viewer-mode-map
+	"u"        (function mime-viewer/up-content))
+      (define-key mime/viewer-mode-map
+	"p"        (function mime-viewer/previous-content))
+      (define-key mime/viewer-mode-map
+	"n"        (function mime-viewer/next-content))
+      (define-key mime/viewer-mode-map
+	" "        (function mime-viewer/scroll-up-content))
+      (define-key mime/viewer-mode-map
+	"\M- "     (function mime-viewer/scroll-down-content))
+      (define-key mime/viewer-mode-map
+	"\177"     (function mime-viewer/scroll-down-content))
+      (define-key mime/viewer-mode-map
+	"\C-m"     (function mime-viewer/next-line-content))
+      (define-key mime/viewer-mode-map
+	"\C-\M-m"  (function mime-viewer/previous-line-content))
+      (define-key mime/viewer-mode-map
+	"v"        (function mime-viewer/play-content))
+      (define-key mime/viewer-mode-map
+	"e"	   (function mime-viewer/extract-content))
+      (define-key mime/viewer-mode-map
+	"\C-c\C-p" (function mime-viewer/print-content))
+      (define-key mime/viewer-mode-map
+	"x"        (function mime-viewer/display-x-face))
+      (define-key mime/viewer-mode-map
+	"a"        (function mime-viewer/follow-content))
+      (define-key mime/viewer-mode-map
+	"q"        (function mime-viewer/quit))
+      (define-key mime/viewer-mode-map
+	"h"        (function mime-viewer/show-summary))
+      (define-key mime/viewer-mode-map
+	"\C-c\C-x" (function mime-viewer/kill-buffer))
+      (define-key mime/viewer-mode-map
+        "<"        (function beginning-of-buffer))
+      (define-key mime/viewer-mode-map
+        ">"        (function end-of-buffer))
+      (define-key mime/viewer-mode-map
+        "?"        (function describe-mode))
+      (if mouse-button-2
+	  (define-key mime/viewer-mode-map
+	    mouse-button-2 (function tm:button-dispatcher))
+	)
+      (cond (running-xemacs
+	     (defvar mime-viewer/xemacs-popup-menu
+	       (cons mime-viewer/menu-title
+		     (mapcar (function
+			      (lambda (item)
+				(vector (nth 1 item)(nth 2 item) t)
+				))
+			     mime-viewer/menu-list)))
+	     (defun mime-viewer/xemacs-popup-menu (event)
+	       "Popup the menu in the MIME Viewer buffer"
+	       (interactive "e")
+	       (select-window (event-window event))
+	       (set-buffer (event-buffer event))
+	       (popup-menu 'mime-viewer/xemacs-popup-menu))
+	     (define-key mime/viewer-mode-map
+	       mouse-button-3 (function mime-viewer/xemacs-popup-menu))
+	     )
+	    ((>= emacs-major-version 19)
+	     (define-key mime/viewer-mode-map [menu-bar mime-view]
+	       (cons mime-viewer/menu-title
+		     (make-sparse-keymap mime-viewer/menu-title)))
+	     (mapcar (function
+		      (lambda (item)
+			(define-key mime/viewer-mode-map
+			  (vector 'menu-bar 'mime-view (car item))
+			  (cons (nth 1 item)(nth 2 item))
+			  )
+			))
+		     (reverse mime-viewer/menu-list)
+		     )
+	     ))
       ))
 
-(defun mime/viewer-mode (&optional mother)
+(defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
   "Major mode for viewing MIME message.
 
-u	Move to upper content
-p	Move to previous content
-n	Move to next content
-SPC	Scroll up
-M-SPC	Scroll down
-DEL	Scroll down
-RET	Move to next line
-M-RET	Move to previous line
-v	Decode the content as `play mode'
-e	Decode the content as `extract mode'
-C-c C-p	Decode the content as `print mode'
-q	Quit
+Here is a list of the standard keys for mime/viewer-mode.
+
+key		feature
+---		-------
+
+u		Move to upper content
+p		Move to previous content
+n		Move to next content
+SPC		Scroll up or move to next content
+M-SPC		Scroll down or move to previous content
+DEL		Scroll down or move to previous content
+RET		Move to next line
+M-RET		Move to previous line
+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'
+
+
+Here are all the commands with their current binding,
+listed in key order:
+
+\\{mime/viewer-mode-map}
 "
   (interactive)
-  (let ((buf (get-buffer mime/output-buffer-name))
-	(the-buf (current-buffer))
-	)
+  (let ((buf (get-buffer mime/output-buffer-name)))
     (if buf
-	(progn
-	  (switch-to-buffer buf)
+	(save-excursion
+	  (set-buffer buf)
 	  (erase-buffer)
-	  (switch-to-buffer the-buf)
 	  )))
-  (let ((ret (mime/parse-message))
-	(mode major-mode))
-    (switch-to-buffer (car ret))
-    (setq major-mode 'mime/viewer-mode)
-    (setq mode-name "MIME-View")
-    (make-variable-buffer-local 'mime/viewer-original-major-mode)
-    (setq mime/viewer-original-major-mode
-	  (if mother
-	      (progn
-		(make-variable-buffer-local
-		 'mime/show-mode-old-window-configuration)
-		(setq mime/show-mode-old-window-configuration
-		      (current-window-configuration))
-		(make-variable-buffer-local 'mime/mother-buffer)
-		(setq mime/mother-buffer mother)
-		'mime/show-message-mode)
-	    mode))
-    (use-local-map mime/viewer-mode-map)
-    (make-variable-buffer-local 'mime/preview-flat-content-list)
-    (setq mime/preview-flat-content-list (nth 1 ret))
-    (goto-char
-     (let ((ce (nth 1 (car mime/preview-flat-content-list)))
-	   e)
-       (goto-char (point-min))
-       (search-forward "\n\n" nil t)
-       (setq e (match-end 0))
-       (if (<= e ce)
-	   e
-	 ce)))
-    (run-hooks 'mime/viewer-mode-hook)
-    ))
+  (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf))
+	(win-conf (current-window-configuration))
+	)
+    (prog1
+	(switch-to-buffer (car ret))
+      (setq mime::preview/original-window-configuration win-conf)
+      (if mother
+	  (progn
+	    (setq mime::preview/mother-buffer mother)
+	    ))
+      (use-local-map mime/viewer-mode-map)
+      (setq mime::preview/content-list (nth 1 ret))
+      (goto-char
+       (let ((ce (mime::preview-content-info/point-max
+		  (car mime::preview/content-list)
+		  ))
+	     e)
+	 (goto-char (point-min))
+	 (search-forward "\n\n" nil t)
+	 (setq e (match-end 0))
+	 (if (<= e ce)
+	     e
+	   ce)))
+      (run-hooks 'mime/viewer-mode-hook)
+      )))
+
+(defun mime-preview/point-content-number (point)
+  (save-window-excursion
+    (let ((pc (mime-preview/point-pcinfo (point)))
+	  cinfo)
+      (switch-to-buffer (mime::preview-content-info/buffer pc))
+      (setq cinfo (mime::preview-content-info/content-info pc))
+      (mime-article/point-content-number (mime::content-info/point-min cinfo))
+      )))
 
-(defun mime/decode-content ()
+(defun mime-preview/cinfo-to-pcinfo (cinfo)
+  (let ((rpcl mime::preview/content-list) cell)
+    (catch 'tag
+      (while rpcl
+	(setq cell (car rpcl))
+	(if (eq cinfo (mime::preview-content-info/content-info cell))
+	    (throw 'tag cell)
+	  )
+	(setq rpcl (cdr rpcl))
+	))))
+
+(autoload 'mime-preview/decode-content "tm-play")
+
+(defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
+
+(defun mime-viewer/play-content ()
   (interactive)
-  (let ((pc (mime/get-point-preview-content (point))))
-    (if pc
-	(let ((the-buf (current-buffer)))
-	  (switch-to-buffer (nth 2 pc))
-	  (mime/decode-content-region (nth 3 pc)(nth 4 pc))
-	  (if (eq (current-buffer) (nth 2 pc))
-	      (switch-to-buffer the-buf)
-	    )
-	  ))))
+  (let ((mime-viewer/decoding-mode "play"))
+    (mime-preview/decode-content)
+    ))
 
-(defun mime/play-content ()
+(defun mime-viewer/extract-content ()
   (interactive)
-  (let ((mime/body-decoding-mode "play"))
-    (mime/decode-content)
+  (let ((mime-viewer/decoding-mode "extract"))
+    (mime-preview/decode-content)
     ))
 
-(defun mime/extract-content ()
+(defun mime-viewer/print-content ()
   (interactive)
-  (let ((mime/body-decoding-mode "extract"))
-    (mime/decode-content)
+  (let ((mime-viewer/decoding-mode "print"))
+    (mime-preview/decode-content)
     ))
 
-(defun mime/print-content ()
+(defun mime-viewer/follow-content ()
+  (interactive)
+  (let ((root-cinfo
+	 (mime::preview-content-info/content-info
+	  (car mime::preview/content-list)))
+	pc p-beg p-end cinfo rcnum)
+    (let ((rest mime::preview/content-list)
+	  b e cell len rc)
+      (if (catch 'tag
+	    (while (setq cell (car rest))
+	      (setq b (mime::preview-content-info/point-min cell)
+		    e (mime::preview-content-info/point-max cell))
+	      (setq rest (cdr rest))
+	      (if (and (<= b (point))(<= (point) e))
+		  (throw 'tag cell)
+		)
+	      ))
+	  (progn
+	    (setq pc cell
+		  cinfo (mime::preview-content-info/content-info pc)
+		  rcnum (mime::content-info/rcnum cinfo))
+	    (setq len (length rcnum))
+	    (setq p-beg (mime::preview-content-info/point-min pc)
+		  p-end (mime::preview-content-info/point-max pc))
+	    (while (and (setq cell (car rest))
+			(progn
+			  (setq rc
+				(mime::content-info/rcnum
+				 (mime::preview-content-info/content-info
+				  cell)))
+			  (equal rcnum
+				 (nthcdr (- (length rc) len) rc))
+			  ))
+	      (setq p-end (mime::preview-content-info/point-max cell))
+	      (setq rest (cdr rest))
+	      ))))
+    (if pc
+	(let* ((mode (mime-preview/get-original-major-mode))
+	       (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
+	       new-buf
+	       (the-buf (current-buffer))
+	       (a-buf mime::preview/article-buffer)
+	       (hb (mime::content-info/point-min cinfo))
+	       (he (mime::content-info/point-max cinfo))
+	       fields from to cc reply-to subj mid f)
+	  (save-excursion
+	    (set-buffer (setq new-buf (get-buffer-create new-name)))
+	    (erase-buffer)
+	    (insert-buffer-substring the-buf p-beg p-end)
+	    (goto-char (point-min))
+	    (if (mime-viewer/header-visible-p rcnum root-cinfo)
+		(delete-region (goto-char (point-min))
+			       (if (re-search-forward "^$" nil t)
+				   (match-end 0)
+				 (point-min)))
+	      )
+	    (goto-char (point-min))
+	    (insert "\n")
+	    (goto-char (point-min))
+	    (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
+	      (while (progn
+		       (setq str
+			     (save-excursion
+			       (set-buffer a-buf)
+			       (setq ci (mime-article/rcnum-to-cinfo rcnum))
+			       (save-restriction
+				 (narrow-to-region
+				  (mime::content-info/point-min ci)
+				  (mime::content-info/point-max ci)
+				  )
+				 (rfc822/get-header-string-except
+				  (concat "^"
+					  (apply (function regexp-or) fields)
+					  ":") ""))))
+		       (if (string-equal (mime::content-info/type ci)
+					 "message/rfc822")
+			   nil
+			 (if str
+			     (insert str)
+			   )
+			 rcnum))
+		(setq fields (rfc822/get-field-names)
+		      rcnum (cdr rcnum))
+		)
+	      )
+	    (mime/decode-message-header)
+	    )
+	  (funcall (cdr (assq mode mime-viewer/following-method-alist))
+		   new-buf)
+	  ))))
+
+(defun mime-viewer/display-x-face ()
   (interactive)
-  (let ((mime/body-decoding-mode "print"))
-    (mime/decode-content)
+  (save-window-excursion
+    (set-buffer mime::preview/article-buffer)
+    (mime-viewer/x-face-function)
     ))
 
-(defun mime/up-content ()
+(defun mime-viewer/up-content ()
   (interactive)
-  (let ((pc (mime/get-point-preview-content (point)))
-	(the-buf (current-buffer))
-	cn r)
-    (switch-to-buffer (nth 2 pc))
-    (setq cn (mime/get-point-content-number (nth 3 pc)))
-    (if (eq cn t)
-	(mime/quit-view-mode the-buf (nth 2 pc))
-      (setq r (mime/get-content-region (butlast cn)))
-      (switch-to-buffer the-buf)
-      (catch 'tag
-	(let ((rfcl mime/preview-flat-content-list) cell)
-	  (while rfcl
-	    (setq cell (car rfcl))
-	    (if (and (= (car r)(nth 3 cell))
-		     (= (nth 1 r)(nth 4 cell))
-		     )
-		(progn
-		  (goto-char (nth 0 cell))
-		  (throw 'tag nil)
-		  ))
-	    (setq rfcl (cdr rfcl))
-	    )))
+  (let* ((pc (mime-preview/point-pcinfo (point)))
+	 (cinfo (mime::preview-content-info/content-info pc))
+	 (rcnum (mime::content-info/rcnum cinfo))
+	 )
+    (if rcnum
+	(let ((r (save-excursion
+		   (set-buffer (mime::preview-content-info/buffer pc))
+                   (mime-article/rcnum-to-cinfo (cdr rcnum))
+		   ))
+	      (rpcl mime::preview/content-list)
+	      cell)
+	  (while (and
+		  (setq cell (car rpcl))
+		  (not (eq r (mime::preview-content-info/content-info cell)))
+		  )
+	    (setq rpcl (cdr rpcl))
+	    )
+	  (goto-char (mime::preview-content-info/point-min cell))
+	  )
+      (mime-viewer/quit)
       )))
 
-(defun mime/previous-content ()
+(defun mime-viewer/previous-content ()
   (interactive)
-  (let* ((fcl mime/preview-flat-content-list)
+  (let* ((pcl mime::preview/content-list)
 	 (p (point))
-	 (i (- (length fcl) 1))
-	 )
+	 (i (- (length pcl) 1))
+	 beg)
     (catch 'tag
       (while (>= i 0)
-	(if (> p (car (nth i fcl)))
-	    (throw 'tag (goto-char (car (nth i fcl))))
+	(setq beg (mime::preview-content-info/point-min (nth i pcl)))
+	(if (> p beg)
+	    (throw 'tag (goto-char beg))
 	  )
 	(setq i (- i 1))
-	))
+	)
+      (let ((f (assq mime::preview/original-major-mode
+		     mime-viewer/over-to-previous-method-alist)))
+	(if f
+	    (funcall (cdr f))
+	  ))
+      )
     ))
 
-(defun mime/next-content ()
+(defun mime-viewer/next-content ()
   (interactive)
-  (let ((fcl mime/preview-flat-content-list)
+  (let ((pcl mime::preview/content-list)
 	(p (point))
-	)
+	beg)
     (catch 'tag
-      (while fcl
-	(if (< p (car (car fcl)))
-	    (throw 'tag (goto-char (car (car fcl))))
+      (while pcl
+	(setq beg (mime::preview-content-info/point-min (car pcl)))
+	(if (< p beg)
+	    (throw 'tag (goto-char beg))
 	  )
-	(setq fcl (cdr fcl))
-	))
+	(setq pcl (cdr pcl))
+	)
+      (let ((f (assq mime::preview/original-major-mode
+		     mime-viewer/over-to-next-method-alist)))
+	(if f
+	    (funcall (cdr f))
+	  ))
+      )
     ))
 
-(defun mime/scroll-up-content (&optional h)
+(defun mime-viewer/scroll-up-content (&optional h)
   (interactive)
-  (if (null h)
+  (or h
       (setq h (- (window-height) 1))
-    )
-  (let ((fcl mime/preview-flat-content-list)
-	(p (point))
-	np)
-    (setq np (or (catch 'tag
-		   (while fcl
-		     (if (< p (car (car fcl)))
-			 (throw 'tag (car (car fcl)))
-		       )
-		     (setq fcl (cdr fcl))
-		     ))
-		 (point-max)))
-    (forward-line h)
-    (if (> (point) np)
-	(goto-char np)
-      )))
+      )
+  (if (= (point) (point-max))
+      (let ((f (assq mime::preview/original-major-mode
+                     mime-viewer/over-to-next-method-alist)))
+        (if f
+            (funcall (cdr f))
+          ))
+    (let ((pcl mime::preview/content-list)
+          (p (point))
+          np beg)
+      (setq np
+            (or (catch 'tag
+                  (while pcl
+                    (setq beg (mime::preview-content-info/point-min (car pcl)))
+                    (if (< p beg)
+                        (throw 'tag beg)
+                      )
+                    (setq pcl (cdr pcl))
+                    ))
+                (point-max)))
+      (forward-line h)
+      (if (> (point) np)
+          (goto-char np)
+        )
+      ;;(show-subtree)
+      ))
+  )
 
-(defun mime/scroll-down-content (&optional h)
+(defun mime-viewer/scroll-down-content (&optional h)
   (interactive)
-  (if (null h)
+  (or h
       (setq h (- (window-height) 1))
-    )
-  (let ((fcl mime/preview-flat-content-list)
-	(p (point))
-	pp)
-    (setq pp (or (let ((i (- (length fcl) 1)))
-		   (catch 'tag
-		     (while (> i 0)
-		       (if (> p (nth 1 (nth i fcl)))
-			   (throw 'tag (nth 1 (nth i fcl)))
-			 )
-		       (setq i (- i 1))
-		       )))
-		 (point-min)))
-    (forward-line (- h))
-    (if (< (point) pp)
-	(goto-char pp)
-      )))
+      )
+  (if (= (point) (point-min))
+      (let ((f (assq mime::preview/original-major-mode
+                     mime-viewer/over-to-previous-method-alist)))
+        (if f
+            (funcall (cdr f))
+          ))
+    (let ((pcl mime::preview/content-list)
+          (p (point))
+          pp beg)
+      (setq pp
+            (or (let ((i (- (length pcl) 1)))
+                  (catch 'tag
+                    (while (> i 0)
+                      (setq beg (mime::preview-content-info/point-min
+                                 (nth i pcl)))
+                      (if (> p beg)
+                          (throw 'tag beg)
+                        )
+                      (setq i (- i 1))
+                      )))
+                (point-min)))
+      (forward-line (- h))
+      (if (< (point) pp)
+          (goto-char pp)
+        )))
+  )
 
-(defun mime/next-line-content ()
+(defun mime-viewer/next-line-content ()
   (interactive)
-  (mime/scroll-up-content 1)
+  (mime-viewer/scroll-up-content 1)
   )
 
-(defun mime/previous-line-content ()
+(defun mime-viewer/previous-line-content ()
   (interactive)
-  (mime/scroll-down-content 1)
+  (mime-viewer/scroll-down-content 1)
   )
 
-(defun mime/quit-view-mode (&optional the-buf buf)
+(defun mime-viewer/quit ()
   (interactive)
-  (if (null the-buf)
-      (setq the-buf (current-buffer))
-    )
-  (if (null buf)
-      (setq buf (nth 2 (mime/get-point-preview-content (point))))
-    )
-  (let ((r (progn
-	     (switch-to-buffer buf)
-	     (assoc major-mode mime/go-to-top-node-method-alist)
+  (let ((r (save-excursion
+	     (set-buffer (mime::preview-content-info/buffer
+			  (mime-preview/point-pcinfo (point))))
+	     (assq major-mode mime-viewer/quitting-method-alist)
 	     )))
     (if r
-	(progn
-	  (switch-to-buffer the-buf)
-	  (funcall (cdr r))
-	  ))
-    ))
+	(funcall (cdr r))
+      )))
 
-(defun mime/exit-view-mode ()
+(defun mime-viewer/show-summary ()
+  (interactive)
+  (let ((r (save-excursion
+	     (set-buffer
+	      (mime::preview-content-info/buffer
+	       (mime-preview/point-pcinfo (point)))
+	      )
+	     (assq major-mode mime-viewer/show-summary-method)
+	     )))
+    (if r
+	(funcall (cdr r))
+      )))
+
+(defun mime-viewer/kill-buffer ()
   (interactive)
   (kill-buffer (current-buffer))
   )
 
-(fset 'mime/view-mode 'mime/viewer-mode)
+
+;;; @ end
+;;;
+
+(provide 'tm-view)
 
 (run-hooks 'tm-view-load-hook)
+
+;;; tm-view.el ends here