2 ;;; tm-view.el --- interactive MIME viewer for GNU Emacs
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1994,1995 MORIOKA Tomohiko
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;;; modified by Steven L. Baur <steve@miranova.com>
9 ;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
10 ;;; Created: 1994/7/13 (1994/8/31 obsolete tm-body.el)
11 ;;; Version: $Revision: 7.36 $
12 ;;; Keywords: mail, news, MIME, multimedia
14 ;;; This file is part of tm (Tools for MIME).
16 ;;; This program is free software; you can redistribute it and/or
17 ;;; modify it under the terms of the GNU General Public License as
18 ;;; published by the Free Software Foundation; either version 2, or
19 ;;; (at your option) any later version.
21 ;;; This program is distributed in the hope that it will be useful,
22 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
23 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 ;;; General Public License for more details.
26 ;;; You should have received a copy of the GNU General Public License
27 ;;; along with This program. If not, write to the Free Software
28 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
46 (defconst mime-viewer/RCS-ID
47 "$Id: tm-view.el,v 7.36 1995/12/18 10:45:02 morioka Exp $")
49 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
50 (defconst mime/viewer-version mime-viewer/version)
56 (defvar mime/content-decoding-condition
57 '(((type . "text/plain")
58 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
60 (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
62 ((type . "text/x-rot13-47")
63 (method . mime-article/decode-caesar))
65 ((type . "audio/basic")
66 (method "tm-au" nil 'file 'type 'encoding 'mode 'name))
68 ((type . "image/jpeg")
69 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
71 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
72 ((type . "image/tiff")
73 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
74 ((type . "image/x-tiff")
75 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
76 ((type . "image/x-xbm")
77 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
78 ((type . "image/x-pic")
79 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
80 ((type . "image/x-mag")
81 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
83 ((type . "video/mpeg")
84 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
86 ((type . "application/octet-stream")
87 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
89 ;;((type . "message/external-body")
90 ;; (method "xterm" nil
91 ;; "-e" "showexternal"
92 ;; 'file '"access-type" '"name" '"site" '"directory"))
93 ((type . "message/rfc822")
94 (method . mime-article/view-message/rfc822))
95 ((type . "message/partial")
96 (method . mime-article/decode-message/partial))
99 "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
100 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
104 (defvar mime-viewer/childrens-header-showing-Content-Type-list
105 '("message/rfc822" "message/news"))
107 (defvar mime-viewer/default-showing-Content-Type-list
108 '("text/plain" nil "text/richtext" "text/enriched"
109 "text/x-latex" "application/x-latex"
110 "application/pgp" "text/x-pgp"
111 "application/octet-stream"
112 "application/x-selection" "application/x-comment"))
114 (defvar mime-viewer/content-subject-omitting-Content-Type-list
115 '("application/x-selection"))
117 (defvar mime-viewer/content-subject-showing-Content-Type-list
118 '("application/pgp"))
120 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
122 (defvar mime-viewer/ignored-field-list
123 '(".*Received" ".*Path" ".*Id"
124 "Replied" "Errors-To"
125 "Lines" "Sender" "Nntp-Posting-Host"
126 "Content-Type" "Precedence" "X-Face"
128 "All fields that match this list will be hidden in MIME preview buffer.
129 Each elements are regexp of field-name. [tm-view.el]")
131 (defvar mime-viewer/ignored-field-regexp
133 (apply (function regexp-or) mime-viewer/ignored-field-list)
136 (defvar mime-viewer/visible-field-list
138 "All fields that match this list will be displayed in MIME preview buffer.
139 Each elements are regexp of field-name. [tm-view.el]")
141 (defvar mime-viewer/visible-field-regexp
143 (apply (function regexp-or) mime-viewer/visible-field-list)
147 (defvar mime-viewer/announcement-for-message/partial
148 (if (and (>= emacs-major-version 19) window-system)
150 \[[ This is message/partial style split message. ]]
151 \[[ Please press `v' key in this buffer ]]
152 \[[ or click here by mouse button-2. ]]"
154 \[[ This is message/partial style split message. ]]
155 \[[ Please press `v' key in this buffer. ]]"
159 ;;; @@ predicate functions
162 (defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
166 (mime::content-info/type
167 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
169 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
172 (defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
176 (mime::content-info/type
177 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
180 (and (member ctype mime-viewer/default-showing-Content-Type-list)
181 (if (string-equal ctype "application/octet-stream")
184 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
186 (member (mime::content-info/encoding ccinfo)
187 '(nil "7bit" "8bit"))
193 ;;; @@ content subject
196 (defun mime-viewer/insert-content-subject
197 (rcnum cinfo ctype params subj)
199 (narrow-to-region (point)(point))
201 (let ((access-type (assoc "access-type" params))
202 (num (or (assoc-value "x-part-number" params)
206 (format "%s" (1+ num))
212 (let ((server (assoc "server" params)))
213 (setq access-type (cdr access-type))
215 (format "[%s %s ([%s] %s)]\n" num subj
216 access-type (cdr server))
217 (let ((site (assoc-value "site" params))
218 (dir (assoc-value "directory" params))
220 (format "[%s %s ([%s] %s:%s)]\n" num subj
221 access-type site dir)
223 (format "[%s %s (%s)]\n" num subj ctype)
225 (tm:add-button (point-min)(1- (point-max))
226 (function mime-viewer/play-content))
229 (defun mime-viewer/default-content-subject-function
230 (rcnum cinfo ctype params subj)
231 (if (and (consp rcnum)
234 mime-viewer/content-subject-omitting-Content-Type-list)))
235 (mime-viewer/insert-content-subject
236 rcnum cinfo ctype params subj)
239 (defvar mime-viewer/content-subject-function
240 (function mime-viewer/default-content-subject-function))
243 ;;; @@ content header filter
246 (defun mime-preview/cut-header ()
247 (goto-char (point-min))
249 (re-search-forward mime-viewer/ignored-field-regexp nil t)
250 (let* ((beg (match-beginning 0))
252 (name (buffer-substring beg end))
254 (if (not (string-match mime-viewer/visible-field-regexp name))
259 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
266 (defun mime-viewer/default-content-header-filter ()
267 (mime-preview/cut-header)
268 (mime/decode-message-header)
271 (defvar mime-viewer/content-header-filter-alist nil)
274 ;;; @@ content filter
277 (defvar mime-viewer/content-filter-alist
278 '(("text/plain" . mime-viewer/filter-text/plain)
279 ("application/pgp" . mime-viewer/filter-text/plain)
280 (nil . mime-viewer/filter-text/plain)))
282 (defun mime-viewer/default-content-filter (rcnum cinfo ctype params subj)
286 ;;; @@ content separator
289 (defun mime-viewer/default-content-separator (rcnum cinfo ctype params subj)
290 (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
291 (not (mime-viewer/body-visible-p rcnum cinfo ctype))
294 (goto-char (point-max))
299 ;;; @@ buffer local variables
303 (defvar mime::article/preview-buffer nil)
304 (defvar mime::article/code-converter nil)
306 (make-variable-buffer-local 'mime::article/content-info)
307 (make-variable-buffer-local 'mime::article/preview-buffer)
308 (make-variable-buffer-local 'mime::article/code-converter)
310 (make-variable-buffer-local 'mime::preview/mother-buffer)
311 (make-variable-buffer-local 'mime::preview/content-list)
312 (make-variable-buffer-local 'mime::preview/article-buffer)
313 (make-variable-buffer-local 'mime::preview/original-major-mode)
314 (make-variable-buffer-local 'mime::preview/original-window-configuration)
317 ;;; @@ quitting method
320 (defvar mime-viewer/quitting-method-alist
321 '((mime/show-message-mode
322 . mime-viewer/quitting-method-for-mime/show-message-mode)))
324 (defvar mime-viewer/over-to-previous-method-alist nil)
325 (defvar mime-viewer/over-to-next-method-alist nil)
327 (defvar mime-viewer/show-summary-method nil)
333 ;; hack from Gnus 5.0.4.
335 (defvar mime-viewer/x-face-command
336 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
337 "String to be executed to display an X-Face field.
338 The command will be executed in a sub-shell asynchronously.
339 The compressed face will be piped to this command.")
341 (defun mime-viewer/x-face-function ()
342 "Function to display X-Face field. You can redefine to customize."
343 ;; 1995/10/12 (c.f. tm-eng:130)
344 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
346 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
348 (goto-char (point-min))
349 (if (re-search-forward "^X-Face:[ \t]*" nil t)
350 (let ((beg (match-end 0))
351 (end (rfc822/field-end))
353 (call-process-region beg end "sh" nil 0 nil
354 "-c" mime-viewer/x-face-command)
358 ;;; @ data structures
361 ;;; @@ preview-content-info
364 (define-structure mime::preview-content-info
365 point-min point-max buffer content-info)
371 (defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
377 (setq mime::article/content-info (mime/parse-message ctl encoding))
378 (let ((ret (mime-viewer/make-preview-buffer obuf)))
379 (setq mime::article/preview-buffer (car ret))
382 (defun mime-viewer/make-preview-buffer (&optional obuf)
383 (let ((cinfo mime::article/content-info)
384 (the-buf (current-buffer))
388 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*"))
390 (setq pcl (mime/flatten-content-info cinfo))
391 (let ((bf (get-buffer obuf)))
395 (setq buffer-read-only nil)
398 (setq bf (get-buffer-create obuf))
401 (setq mime::preview/article-buffer the-buf)
402 (setq mime::preview/original-major-mode mode)
403 (setq major-mode 'mime/viewer-mode)
404 (setq mode-name "MIME-View")
409 (mime-viewer/display-content content cinfo the-buf obuf)
412 (set-buffer-modified-p nil)
413 (setq buffer-read-only t)
418 (defun mime-viewer/display-content (content cinfo ibuf obuf)
419 (let* ((beg (mime::content-info/point-min content))
420 (end (mime::content-info/point-max content))
421 (ctype (mime::content-info/type content))
422 (params (mime::content-info/parameters content))
423 (encoding (mime::content-info/encoding content))
424 (rcnum (mime::content-info/rcnum content))
428 (setq he (if (re-search-forward "^$" nil t)
435 (narrow-to-region beg end)
437 (mime-eword/decode-string
438 (mime-viewer/get-subject params encoding)))
442 (narrow-to-region nb nb)
443 (funcall mime-viewer/content-subject-function
444 rcnum cinfo ctype params subj)
446 (if (mime-viewer/header-visible-p rcnum cinfo ctype)
447 (mime-viewer/display-header beg he obuf)
449 (if (and (null rcnum)
451 ctype mime-viewer/content-subject-showing-Content-Type-list))
454 (goto-char (point-max))
455 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
457 (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
458 (mime-viewer/display-body he end obuf
459 rcnum cinfo ctype params subj encoding)
461 ((equal ctype "message/partial")
462 (mime-viewer/display-message/partial obuf)
465 (null (mime::content-info/children cinfo))
468 (goto-char (point-max))
469 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
471 (t (set-buffer obuf))
473 (mime-viewer/default-content-separator rcnum cinfo ctype params subj)
476 (setq ne (point-max))
478 (mime::preview-content-info/create nb (1- ne) ibuf content)
483 (defun mime-viewer/display-header (beg end obuf)
484 (let ((str (buffer-substring beg end))
485 (f (assq major-mode mime-viewer/content-header-filter-alist))
490 (narrow-to-region (point)(point))
492 (if (and f (setq f (cdr f)))
494 (mime-viewer/default-content-header-filter)
496 (run-hooks 'mime-viewer/content-header-filter-hook)
499 (defun mime-viewer/display-body (beg end obuf
500 rcnum cinfo ctype params subj encoding)
501 (let ((str (buffer-substring beg end))
505 (setq be (point-max))
506 (narrow-to-region be be)
508 (let ((f (assoc-value ctype mime-viewer/content-filter-alist)))
509 (if (and f (fboundp f))
510 (funcall f ctype params encoding)
511 (mime-viewer/default-content-filter rcnum cinfo ctype params subj)
515 (defun mime-viewer/display-message/partial (obuf)
518 (goto-char (point-max))
519 (if (not (search-backward "\n\n" nil t))
522 (let ((be (point-max)))
523 (narrow-to-region be be)
524 (insert mime-viewer/announcement-for-message/partial)
525 (tm:add-button (point-min)(point-max)
526 (function mime-viewer/play-content))
529 (defun mime-viewer/get-subject (param &optional encoding)
530 (if (member (or encoding
531 (cdr (assq 'encoding param))
533 mime-viewer/uuencode-encoding-name-list)
535 (or (if (re-search-forward "^begin [0-9]+ " nil t)
536 (if (looking-at ".+$")
537 (buffer-substring (match-beginning 0)(match-end 0))
541 (or (and (setq ret (assoc "name" param))
542 (rfc822/strip-quoted-string (cdr ret))
544 (and (setq ret (assoc "x-name" param))
545 (rfc822/strip-quoted-string (cdr ret))
550 (goto-char (point-min))
551 (narrow-to-region (point-min)
552 (or (and (search-forward "\n\n" nil t)
557 (rfc822/get-field-body "Content-Description")
558 (rfc822/get-field-body "Subject")
564 ;;; @ content information
567 (defun mime-article/point-content-number (p &optional cinfo)
569 (setq cinfo mime::article/content-info)
571 (let ((b (mime::content-info/point-min cinfo))
572 (e (mime::content-info/point-max cinfo))
573 (c (mime::content-info/children cinfo))
575 (if (and (<= b p)(<= p e))
576 (or (let (co ret (sn 0))
580 (setq ret (mime-article/point-content-number p co))
581 (cond ((eq ret t) (throw 'tag (list sn)))
582 (ret (throw 'tag (cons sn ret)))
589 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
591 (setq cinfo mime::article/content-info)
596 (equal (mime::content-info/rcnum ci) rcnum)
598 (mime/flatten-content-info cinfo)
601 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
603 (setq cinfo mime::article/content-info)
610 (let ((rc (nth sn (mime::content-info/children cinfo))))
612 (mime-article/cnum-to-cinfo (cdr cn) rc)
616 (defun mime/flatten-content-info (&optional cinfo)
618 (setq cinfo mime::article/content-info)
620 (let ((dest (list cinfo))
621 (rcl (mime::content-info/children cinfo))
624 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
629 (defun mime-preview/point-pcinfo (p &optional pcl)
631 (setq pcl mime::preview/content-list)
637 (if (and (<= (mime::preview-content-info/point-min cell) p)
638 (<= p (mime::preview-content-info/point-max cell))
651 (defvar mime-viewer/code-converter-alist
652 '((mime/show-message-mode . mime/code-convert-region-to-emacs))
655 (defun mime-viewer/default-code-convert-region
656 (beg end charset &optional encoding)
657 (if (member encoding '("quoted-printable" "base64"))
658 (mime/code-convert-region-to-emacs beg (point-max) charset)
661 (defun mime-preview/decode-text-region (beg end charset encoding)
662 (mime/decode-region encoding beg end)
663 (let* ((mode mime::preview/original-major-mode)
664 (m (or (save-excursion
665 (set-buffer mime::preview/article-buffer)
666 mime::article/code-converter)
667 (cdr (assq mode mime-viewer/code-converter-alist))
670 (if (and m (fboundp m))
671 (funcall m beg (point-max) charset encoding)
672 (mime-viewer/default-code-convert-region
673 beg (point-max) charset encoding)
676 (defun mime-viewer/filter-text/plain (ctype params encoding)
677 (let ((charset (cdr (assoc "charset" params)))
678 (beg (point-min)) (end (point-max))
680 (mime-preview/decode-text-region beg end charset encoding)
682 (goto-char (point-max))
683 (if (not (eq (char-after (1- (point))) ?\n))
686 (if browse-url-browser-function
688 (goto-char (point-min))
689 (while (re-search-forward tm:URL-regexp nil t)
690 (tm:add-button (match-beginning 0)(match-end 0)
691 (function tm:browse-url))
693 (run-hooks 'mime-viewer/plain-text-preview-hook)
697 ;;; @ MIME viewer mode
700 (defconst mime-viewer/menu-title "MIME-View")
701 (defconst mime-viewer/menu-list
702 '((up "Move to upper content" mime-viewer/up-content)
703 (previous "Move to previous content" mime-viewer/previous-content)
704 (next "Move to next content" mime-viewer/next-content)
705 (scroll-down "Scroll to previous content" mime-viewer/scroll-down-content)
706 (scroll-up "Scroll to next content" mime-viewer/scroll-up-content)
707 (play "Play Content" mime-viewer/play-content)
708 (extract "Extract Content" mime-viewer/extract-content)
709 (print "Print" mime-viewer/print-content)
710 (x-face "Show X Face" mime-viewer/display-x-face)
712 "Menu for MIME Viewer")
714 (defvar mime/viewer-mode-map nil)
715 (if (null mime/viewer-mode-map)
717 (setq mime/viewer-mode-map (make-keymap))
718 (suppress-keymap mime/viewer-mode-map)
719 (define-key mime/viewer-mode-map
720 "u" (function mime-viewer/up-content))
721 (define-key mime/viewer-mode-map
722 "p" (function mime-viewer/previous-content))
723 (define-key mime/viewer-mode-map
724 "n" (function mime-viewer/next-content))
725 (define-key mime/viewer-mode-map
726 " " (function mime-viewer/scroll-up-content))
727 (define-key mime/viewer-mode-map
728 "\M- " (function mime-viewer/scroll-down-content))
729 (define-key mime/viewer-mode-map
730 "\177" (function mime-viewer/scroll-down-content))
731 (define-key mime/viewer-mode-map
732 "\C-m" (function mime-viewer/next-line-content))
733 (define-key mime/viewer-mode-map
734 "\C-\M-m" (function mime-viewer/previous-line-content))
735 (define-key mime/viewer-mode-map
736 "v" (function mime-viewer/play-content))
737 (define-key mime/viewer-mode-map
738 "e" (function mime-viewer/extract-content))
739 (define-key mime/viewer-mode-map
740 "\C-c\C-p" (function mime-viewer/print-content))
741 (define-key mime/viewer-mode-map
742 "f" (function mime-viewer/display-x-face))
743 (define-key mime/viewer-mode-map
744 "q" (function mime-viewer/quit))
745 (define-key mime/viewer-mode-map
746 "h" (function mime-viewer/show-summary))
747 (define-key mime/viewer-mode-map
748 "\C-c\C-x" (function mime-viewer/kill-buffer))
749 (define-key mime/viewer-mode-map
750 "<" (function beginning-of-buffer))
751 (define-key mime/viewer-mode-map
752 ">" (function end-of-buffer))
754 (define-key mime/viewer-mode-map
755 mouse-button-2 (function tm:button-dispatcher))
757 (cond ((string-match "XEmacs\\|Lucid" emacs-version)
758 (defvar mime-viewer/xemacs-popup-menu
759 (cons mime-viewer/menu-title
762 (vector (nth 1 item)(nth 2 item) t)
764 mime-viewer/menu-list)))
765 (defun mime-viewer/xemacs-popup-menu (event)
766 "Popup the menu in the MIME Viewer buffer"
768 (select-window (event-window event))
769 (set-buffer (event-buffer event))
770 (popup-menu 'mime-viewer/xemacs-popup-menu))
771 (define-key mime/viewer-mode-map
772 mouse-button-3 (function mime-viewer/xemacs-popup-menu))
774 ((>= emacs-major-version 19)
775 (define-key mime/viewer-mode-map [menu-bar mime-view]
776 (cons mime-viewer/menu-title
777 (make-sparse-keymap mime-viewer/menu-title)))
780 (define-key mime/viewer-mode-map
781 (vector 'menu-bar 'mime-view (car item))
782 (cons (nth 1 item)(nth 2 item))
785 (reverse mime-viewer/menu-list)
790 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
791 "Major mode for viewing MIME message.
793 Here is a list of the standard keys for mime/viewer-mode.
798 u Move to upper content
799 p Move to previous content
800 n Move to next content
801 SPC Scroll up or move to next content
802 M-SPC Scroll down or move to previous content
803 DEL Scroll down or move to previous content
804 RET Move to next line
805 M-RET Move to previous line
806 v Decode current content as `play mode'
807 e Decode current content as `extract mode'
808 C-c C-p Decode current content as `print mode'
811 button-2 Move to point under the mouse cursor
812 and decode current content as `play mode'
815 Here are all the commands with their current binding,
818 \\{mime/viewer-mode-map}
821 (let ((buf (get-buffer mime/output-buffer-name)))
827 (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf))
828 (win-conf (current-window-configuration))
831 (switch-to-buffer (car ret))
832 (setq mime::preview/original-window-configuration win-conf)
835 (setq mime::preview/mother-buffer mother)
837 (use-local-map mime/viewer-mode-map)
838 (setq mime::preview/content-list (nth 1 ret))
840 (let ((ce (mime::preview-content-info/point-max
841 (car mime::preview/content-list)
844 (goto-char (point-min))
845 (search-forward "\n\n" nil t)
846 (setq e (match-end 0))
850 (run-hooks 'mime/viewer-mode-hook)
853 (defun mime-preview/point-content-number (point)
854 (save-window-excursion
855 (let ((pc (mime-preview/point-pcinfo (point)))
857 (switch-to-buffer (mime::preview-content-info/buffer pc))
858 (setq cinfo (mime::preview-content-info/content-info pc))
859 (mime-article/point-content-number (mime::content-info/point-min cinfo))
862 (defun mime-preview/cinfo-to-pcinfo (cinfo)
863 (let ((rpcl mime::preview/content-list) cell)
866 (setq cell (car rpcl))
867 (if (eq cinfo (mime::preview-content-info/content-info cell))
870 (setq rpcl (cdr rpcl))
873 (autoload 'mime-preview/decode-content "tm-play")
875 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
877 (defun mime-viewer/play-content ()
879 (let ((mime-viewer/decoding-mode "play"))
880 (mime-preview/decode-content)
883 (defun mime-viewer/extract-content ()
885 (let ((mime-viewer/decoding-mode "extract"))
886 (mime-preview/decode-content)
889 (defun mime-viewer/print-content ()
891 (let ((mime-viewer/decoding-mode "print"))
892 (mime-preview/decode-content)
895 (defun mime-viewer/display-x-face ()
897 (save-window-excursion
898 (set-buffer mime::preview/article-buffer)
899 (mime-viewer/x-face-function)
902 (defun mime-viewer/up-content ()
904 (let ((pc (mime-preview/point-pcinfo (point))) cinfo
905 (the-buf (current-buffer))
907 (switch-to-buffer (mime::preview-content-info/buffer pc))
908 (setq cinfo (mime::preview-content-info/content-info pc))
909 (setq rcnum (mime::content-info/rcnum cinfo))
911 (mime-viewer/quit the-buf
912 (mime::preview-content-info/buffer pc)
914 (setq r (mime-article/rcnum-to-cinfo (cdr rcnum)))
915 (switch-to-buffer the-buf)
917 (let ((rpcl mime::preview/content-list) cell)
919 (setq cell (car rpcl))
920 (if (eq r (mime::preview-content-info/content-info cell))
922 (goto-char (mime::preview-content-info/point-min cell))
925 (setq rpcl (cdr rpcl))
929 (defun mime-viewer/previous-content ()
931 (let* ((pcl mime::preview/content-list)
933 (i (- (length pcl) 1))
937 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
939 (throw 'tag (goto-char beg))
943 (let ((f (assq mime::preview/original-major-mode
944 mime-viewer/over-to-previous-method-alist)))
951 (defun mime-viewer/next-content ()
953 (let ((pcl mime::preview/content-list)
958 (setq beg (mime::preview-content-info/point-min (car pcl)))
960 (throw 'tag (goto-char beg))
964 (let ((f (assq mime::preview/original-major-mode
965 mime-viewer/over-to-next-method-alist)))
972 (defun mime-viewer/scroll-up-content (&optional h)
975 (setq h (- (window-height) 1))
977 (if (= (point) (point-max))
978 (let ((f (assq mime::preview/original-major-mode
979 mime-viewer/over-to-next-method-alist)))
983 (let ((pcl mime::preview/content-list)
989 (setq beg (mime::preview-content-info/point-min (car pcl)))
1004 (defun mime-viewer/scroll-down-content (&optional h)
1007 (setq h (- (window-height) 1))
1009 (if (= (point) (point-min))
1010 (let ((f (assq mime::preview/original-major-mode
1011 mime-viewer/over-to-previous-method-alist)))
1015 (let ((pcl mime::preview/content-list)
1019 (or (let ((i (- (length pcl) 1)))
1022 (setq beg (mime::preview-content-info/point-min
1030 (forward-line (- h))
1036 (defun mime-viewer/next-line-content ()
1038 (mime-viewer/scroll-up-content 1)
1041 (defun mime-viewer/previous-line-content ()
1043 (mime-viewer/scroll-down-content 1)
1046 (defun mime-viewer/quit ()
1048 (let ((r (save-excursion
1049 (set-buffer (mime::preview-content-info/buffer
1050 (mime-preview/point-pcinfo (point))))
1051 (assq major-mode mime-viewer/quitting-method-alist)
1057 (defun mime-viewer/show-summary ()
1059 (let ((r (save-excursion
1061 (mime::preview-content-info/buffer
1062 (mime-preview/point-pcinfo (point)))
1064 (assq major-mode mime-viewer/show-summary-method)
1070 (defun mime-viewer/kill-buffer ()
1072 (kill-buffer (current-buffer))
1081 (run-hooks 'tm-view-load-hook)