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 ;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
9 ;;; Created: 1994/7/13 (1994/8/31 obsolete tm-body.el)
10 ;;; Version: $Revision: 7.29 $
11 ;;; Keywords: mail, news, MIME, multimedia
13 ;;; This file is part of tm (Tools for MIME).
15 ;;; This program is free software; you can redistribute it and/or
16 ;;; modify it under the terms of the GNU General Public License as
17 ;;; published by the Free Software Foundation; either version 2, or
18 ;;; (at your option) any later version.
20 ;;; This program is distributed in the hope that it will be useful,
21 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
22 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 ;;; General Public License for more details.
25 ;;; You should have received a copy of the GNU General Public License
26 ;;; along with This program. If not, write to the Free Software
27 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
43 (defconst mime-viewer/RCS-ID
44 "$Id: tm-view.el,v 7.29 1995/12/05 08:05:18 morioka Exp $")
46 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
47 (defconst mime/viewer-version mime-viewer/version)
53 (defvar mime/content-decoding-condition
54 '(((type . "text/plain")
55 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
57 (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
59 ((type . "text/x-rot13-47")
60 (method . mime-article/decode-caesar))
62 ((type . "audio/basic")
63 (method "tm-au" nil 'file 'type 'encoding 'mode 'name))
66 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
67 ((type . "image/jpeg")
68 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
69 ((type . "image/tiff")
70 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
71 ((type . "image/x-tiff")
72 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
73 ((type . "image/x-xbm")
74 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
75 ((type . "image/x-pic")
76 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
78 ((type . "video/mpeg")
79 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
81 ((type . "application/octet-stream")
82 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
84 ;;((type . "message/external-body")
85 ;; (method "xterm" nil
86 ;; "-e" "showexternal"
87 ;; 'file '"access-type" '"name" '"site" '"directory"))
88 ((type . "message/rfc822")
89 (method . mime-article/view-message/rfc822))
90 ((type . "message/partial")
91 (method . mime-article/decode-message/partial))
94 "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
95 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
99 (defvar mime-viewer/childrens-header-showing-Content-Type-list
100 '("message/rfc822" "message/news"))
102 (defvar mime-viewer/default-showing-Content-Type-list
103 '("text/plain" "text/richtext" "text/enriched"
104 "text/x-latex" "application/x-latex"
105 "application/octet-stream" nil
107 "application/x-selection" "application/x-comment"))
109 (defvar mime-viewer/content-subject-omitting-Content-Type-list
110 '("application/x-selection"))
112 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
114 (defvar mime-viewer/ignored-field-list
115 '(".*Received" "Return-Path" "Replied" "Errors-To"
116 "Lines" "Sender" "Path" "Nntp-Posting-Host"
117 "Content-Type" "Precedence" "X-Face"
119 "All fields that match this list will be hidden in MIME preview buffer.
120 Each elements are regexp of field-name. [tm-view.el]")
122 (defvar mime-viewer/ignored-field-regexp
124 (apply (function regexp-or) mime-viewer/ignored-field-list)
127 (defvar mime-viewer/announcement-for-message/partial
128 (if (and (>= emacs-major-version 19) window-system)
130 \[[ This is message/partial style split message. ]]
131 \[[ Please press `v' key in this buffer ]]
132 \[[ or click here by mouse button-2. ]]"
134 \[[ This is message/partial style split message. ]]
135 \[[ Please press `v' key in this buffer. ]]"
139 ;;; @@ predicate functions
142 (defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
146 (mime::content-info/type
147 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
149 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
152 (defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
156 (mime::content-info/type
157 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
160 (and (member ctype mime-viewer/default-showing-Content-Type-list)
161 (if (string-equal ctype "application/octet-stream")
164 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
166 (member (mime::content-info/encoding ccinfo)
167 '(nil "7bit" "8bit"))
173 ;;; @@ content subject
176 (defun mime-viewer/insert-content-subject
177 (rcnum cinfo ctype params subj)
179 (narrow-to-region (point)(point))
181 (let ((access-type (assoc "access-type" params))
182 (num (or (assoc-value "x-part-number" params)
186 (format "%s" (1+ num))
192 (let ((server (assoc "server" params)))
193 (setq access-type (cdr access-type))
195 (format "[%s %s ([%s] %s)]\n" num subj
196 access-type (cdr server))
197 (let ((site (assoc-value "site" params))
198 (dir (assoc-value "directory" params))
200 (format "[%s %s ([%s] %s:%s)]\n" num subj
201 access-type site dir)
203 (format "[%s %s (%s)]\n" num subj ctype)
205 (tm:add-button (point-min)(1- (point-max))
206 (function mime-viewer/play-content))
209 (defun mime-viewer/default-content-subject-function
210 (rcnum cinfo ctype params subj)
211 (if (and (consp rcnum)
214 mime-viewer/content-subject-omitting-Content-Type-list))
216 (mime-viewer/insert-content-subject
217 rcnum cinfo ctype params subj)
220 (defvar mime-viewer/content-subject-function
221 (function mime-viewer/default-content-subject-function))
224 ;;; @@ content header filter
227 (defun mime-viewer/default-content-header-filter ()
228 (goto-char (point-min))
229 (while (and (re-search-forward mime-viewer/ignored-field-regexp nil t)
235 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
239 (mime/decode-message-header)
242 (defvar mime-viewer/content-header-filter-alist nil)
245 ;;; @@ content filter
248 (defvar mime-viewer/content-filter-alist
249 '(("text/plain" . mime-viewer/filter-text/plain)
250 ("application/pgp" . mime-viewer/filter-text/plain)
251 (nil . mime-viewer/filter-text/plain)))
253 (defun mime-viewer/default-content-filter (rcnum cinfo ctype params subj)
257 ;;; @@ content separator
260 (defun mime-viewer/default-content-separator (rcnum cinfo ctype params subj)
261 (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
262 (not (mime-viewer/body-visible-p rcnum cinfo ctype))
265 (goto-char (point-max))
270 ;;; @@ buffer local variables
273 (defvar mime/show-mode-old-window-configuration nil)
274 (defvar mime::preview/mother-buffer nil)
276 (defvar mime::article/content-info nil)
277 (defvar mime::article/preview-buffer nil)
279 (defvar mime::preview/article-buffer nil)
280 (defvar mime::preview/content-list nil)
281 (defvar mime::preview/original-major-mode nil)
284 ;;; @@ quitting method
287 (defvar mime-viewer/quitting-method-alist
288 '((mime/show-message-mode
289 . mime-viewer/quitting-method-for-mime/show-message-mode)))
291 (defvar mime-viewer/over-to-previous-method-alist nil)
292 (defvar mime-viewer/over-to-next-method-alist nil)
298 ;; hack from Gnus 5.0.4.
300 (defvar mime-viewer/x-face-command
301 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
302 "String to be executed to display an X-Face field.
303 The command will be executed in a sub-shell asynchronously.
304 The compressed face will be piped to this command.")
306 (defun mime-viewer/x-face-function ()
307 "Function to display X-Face field. You can redefine to customize."
308 ;; 1995/10/12 (c.f. tm-eng:130)
309 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
311 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
313 (goto-char (point-min))
314 (if (re-search-forward "^X-Face:[ \t]*" nil t)
315 (let ((beg (match-end 0))
316 (end (rfc822/field-end))
318 (call-process-region beg end "sh" nil 0 nil
319 "-c" mime-viewer/x-face-command)
323 ;;; @ data structures
326 ;;; @@ preview-content-info
329 (define-structure mime::preview-content-info
330 point-min point-max buffer content-info)
336 (defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
342 (make-variable-buffer-local 'mime::article/content-info)
343 (setq mime::article/content-info (mime/parse-message ctl encoding))
344 (let ((ret (mime-viewer/make-preview-buffer obuf)))
345 (make-variable-buffer-local 'mime::article/preview-buffer)
346 (setq mime::article/preview-buffer (car ret))
349 (defun mime-viewer/make-preview-buffer (&optional obuf)
350 (let ((cinfo mime::article/content-info)
351 (the-buf (current-buffer))
355 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*"))
357 (setq pcl (mime/flatten-content-info cinfo))
358 (let ((bf (get-buffer obuf)))
362 (setq buffer-read-only nil)
365 (setq bf (get-buffer-create obuf))
368 (make-variable-buffer-local 'mime::preview/article-buffer)
369 (setq mime::preview/article-buffer the-buf)
370 (make-variable-buffer-local 'mime::preview/original-major-mode)
371 (setq mime::preview/original-major-mode mode)
372 (setq major-mode 'mime/viewer-mode)
373 (setq mode-name "MIME-View")
378 (mime-viewer/display-content content cinfo the-buf obuf)
381 (set-buffer-modified-p nil)
382 (setq buffer-read-only t)
387 (defun mime-viewer/display-content (content cinfo ibuf obuf)
388 (let* ((beg (mime::content-info/point-min content))
389 (end (mime::content-info/point-max content))
390 (ctype (mime::content-info/type content))
391 (params (mime::content-info/parameters content))
392 (encoding (mime::content-info/encoding content))
393 (rcnum (mime::content-info/rcnum content))
397 (setq he (if (re-search-forward "^$" nil t)
404 (narrow-to-region beg end)
406 (mime-eword/decode-string
407 (mime-viewer/get-subject params encoding)))
411 (narrow-to-region nb nb)
412 (funcall mime-viewer/content-subject-function
413 rcnum cinfo ctype params subj)
415 (if (mime-viewer/header-visible-p rcnum cinfo ctype)
416 (mime-viewer/display-header beg he obuf)
418 (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
419 (mime-viewer/display-body he end obuf
420 rcnum cinfo ctype params subj encoding)
422 ((equal ctype "message/partial")
423 (mime-viewer/display-message/partial obuf)
426 (null (mime::content-info/children cinfo))
429 (goto-char (point-max))
430 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
432 (t (set-buffer obuf))
434 (mime-viewer/default-content-separator rcnum cinfo ctype params subj)
437 (setq ne (point-max))
439 (mime::preview-content-info/create nb (1- ne) ibuf content)
444 (defun mime-viewer/display-header (beg end obuf)
445 (let ((str (buffer-substring beg end))
446 (f (assq major-mode mime-viewer/content-header-filter-alist))
451 (narrow-to-region (point)(point))
453 (if (and f (setq f (cdr f)))
455 (mime-viewer/default-content-header-filter)
457 (run-hooks 'mime-viewer/content-header-filter-hook)
460 (defun mime-viewer/display-body (beg end obuf
461 rcnum cinfo ctype params subj encoding)
462 (let ((str (buffer-substring beg end))
466 (setq be (point-max))
467 (narrow-to-region be be)
469 (let ((f (assoc-value ctype mime-viewer/content-filter-alist)))
470 (if (and f (fboundp f))
471 (funcall f ctype params encoding)
472 (mime-viewer/default-content-filter rcnum cinfo ctype params subj)
476 (defun mime-viewer/display-message/partial (obuf)
479 (goto-char (point-max))
480 (if (not (search-backward "\n\n" nil t))
483 (let ((be (point-max)))
484 (narrow-to-region be be)
485 (insert mime-viewer/announcement-for-message/partial)
486 (tm:add-button (point-min)(point-max)
487 (function mime-viewer/play-content))
490 (defun mime-viewer/get-subject (param &optional encoding)
491 (if (member (or encoding
492 (cdr (assq 'encoding param))
494 mime-viewer/uuencode-encoding-name-list)
496 (or (if (re-search-forward "^begin [0-9]+ " nil t)
497 (if (looking-at ".+$")
498 (buffer-substring (match-beginning 0)(match-end 0))
502 (or (and (setq ret (assoc "name" param))
503 (rfc822/strip-quoted-string (cdr ret))
505 (and (setq ret (assoc "x-name" param))
506 (rfc822/strip-quoted-string (cdr ret))
511 (goto-char (point-min))
512 (narrow-to-region (point-min)
513 (or (and (search-forward "\n\n" nil t)
518 (rfc822/get-field-body "Content-Description")
519 (rfc822/get-field-body "Subject")
525 ;;; @ content information
528 (defun mime-article/point-content-number (p &optional cinfo)
530 (setq cinfo mime::article/content-info)
532 (let ((b (mime::content-info/point-min cinfo))
533 (e (mime::content-info/point-max cinfo))
534 (c (mime::content-info/children cinfo))
536 (if (and (<= b p)(<= p e))
537 (or (let (co ret (sn 0))
541 (setq ret (mime-article/point-content-number p co))
542 (cond ((eq ret t) (throw 'tag (list sn)))
543 (ret (throw 'tag (cons sn ret)))
550 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
552 (setq cinfo mime::article/content-info)
557 (equal (mime::content-info/rcnum ci) rcnum)
559 (mime/flatten-content-info cinfo)
562 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
564 (setq cinfo mime::article/content-info)
571 (let ((rc (nth sn (mime::content-info/children cinfo))))
573 (mime-article/cnum-to-cinfo (cdr cn) rc)
577 (defun mime/flatten-content-info (&optional cinfo)
579 (setq cinfo mime::article/content-info)
581 (let ((dest (list cinfo))
582 (rcl (mime::content-info/children cinfo))
585 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
590 (defun mime::point-preview-content (p &optional pcl)
592 (setq pcl mime::preview/content-list)
598 (if (and (<= (mime::preview-content-info/point-min cell) p)
599 (<= p (mime::preview-content-info/point-max cell))
612 (defvar mime-viewer/code-converter-alist
613 '((mime/show-message-mode . mime/code-convert-region-to-emacs))
616 (defun mime-viewer/default-code-convert-region
617 (beg end charset &optional encoding)
618 (if (member encoding '("quoted-printable" "base64"))
619 (mime/code-convert-region-to-emacs beg (point-max) charset)
622 (defun mime-preview/decode-text-region (beg end charset encoding)
623 (mime/decode-region encoding beg end)
624 (let* ((mode mime::preview/original-major-mode)
625 (m (assq mode mime-viewer/code-converter-alist))
627 (if (and m (fboundp (setq m (cdr m))))
628 (funcall m beg (point-max) charset encoding)
629 (mime-viewer/default-code-convert-region
630 beg (point-max) charset encoding)
633 (defun mime-viewer/filter-text/plain (ctype params encoding)
634 (let ((charset (cdr (assoc "charset" params)))
635 (beg (point-min)) (end (point-max))
637 (mime-preview/decode-text-region beg end charset encoding)
639 (goto-char (point-max))
640 (if (not (eq (char-after (1- (point))) ?\n))
643 (if browse-url-browser-function
645 (goto-char (point-min))
646 (while (re-search-forward tm:URL-regexp nil t)
647 (tm:add-button (match-beginning 0)(match-end 0)
648 (function tm:browse-url))
650 (run-hooks 'mime-viewer/plain-text-preview-hook)
654 ;;; @ MIME viewer mode
657 (defvar mime/viewer-mode-map nil)
658 (if (null mime/viewer-mode-map)
660 (setq mime/viewer-mode-map (make-keymap))
661 (suppress-keymap mime/viewer-mode-map)
662 (define-key mime/viewer-mode-map
663 "u" (function mime-viewer/up-content))
664 (define-key mime/viewer-mode-map
665 "p" (function mime-viewer/previous-content))
666 (define-key mime/viewer-mode-map
667 "n" (function mime-viewer/next-content))
668 (define-key mime/viewer-mode-map
669 " " (function mime-viewer/scroll-up-content))
670 (define-key mime/viewer-mode-map
671 "\M- " (function mime-viewer/scroll-down-content))
672 (define-key mime/viewer-mode-map
673 "\177" (function mime-viewer/scroll-down-content))
674 (define-key mime/viewer-mode-map
675 "\C-m" (function mime-viewer/next-line-content))
676 (define-key mime/viewer-mode-map
677 "\C-\M-m" (function mime-viewer/previous-line-content))
678 (define-key mime/viewer-mode-map
679 "v" (function mime-viewer/play-content))
680 (define-key mime/viewer-mode-map
681 "e" (function mime-viewer/extract-content))
682 (define-key mime/viewer-mode-map
683 "\C-c\C-p" (function mime-viewer/print-content))
684 (define-key mime/viewer-mode-map
685 "f" (function mime-viewer/display-x-face))
686 (define-key mime/viewer-mode-map
687 "q" (function mime-viewer/quit))
688 (define-key mime/viewer-mode-map
689 "\C-c\C-x" (function mime-viewer/kill-buffer))
690 (define-key mime/viewer-mode-map
691 "<" (function beginning-of-buffer))
692 (define-key mime/viewer-mode-map
693 ">" (function end-of-buffer))
695 (define-key mime/viewer-mode-map
696 mouse-button-2 (function tm:button-dispatcher))
700 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
701 "Major mode for viewing MIME message.
703 Here is a list of the standard keys for mime/viewer-mode.
708 u Move to upper content
709 p Move to previous content
710 n Move to next content
711 SPC Scroll up or move to next content
712 M-SPC Scroll down or move to previous content
713 DEL Scroll down or move to previous content
714 RET Move to next line
715 M-RET Move to previous line
716 v Decode current content as `play mode'
717 e Decode current content as `extract mode'
718 C-c C-p Decode current content as `print mode'
721 button-2 Move to point under the mouse cursor
722 and decode current content as `play mode'
725 Here are all the commands with their current binding,
728 \\{mime/viewer-mode-map}
731 (let ((buf (get-buffer mime/output-buffer-name)))
737 (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf)))
739 (switch-to-buffer (car ret))
742 (make-variable-buffer-local
743 'mime/show-mode-old-window-configuration)
744 (setq mime/show-mode-old-window-configuration
745 (current-window-configuration))
746 (make-variable-buffer-local 'mime::preview/mother-buffer)
747 (setq mime::preview/mother-buffer mother)
749 (use-local-map mime/viewer-mode-map)
750 (make-variable-buffer-local 'mime::preview/content-list)
751 (setq mime::preview/content-list (nth 1 ret))
753 (let ((ce (mime::preview-content-info/point-max
754 (car mime::preview/content-list)
757 (goto-char (point-min))
758 (search-forward "\n\n" nil t)
759 (setq e (match-end 0))
763 (run-hooks 'mime/viewer-mode-hook)
766 (defun mime-preview/point-content-number (point)
767 (save-window-excursion
768 (let ((pc (mime::point-preview-content (point)))
770 (switch-to-buffer (mime::preview-content-info/buffer pc))
771 (setq cinfo (mime::preview-content-info/content-info pc))
772 (mime-article/point-content-number (mime::content-info/point-min cinfo))
775 (defun mime-preview/cinfo-to-pcinfo (cinfo)
776 (let ((rpcl mime::preview/content-list) cell)
779 (setq cell (car rpcl))
780 (if (eq cinfo (mime::preview-content-info/content-info cell))
783 (setq rpcl (cdr rpcl))
786 (autoload 'mime-preview/decode-content "tm-play")
788 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
790 (defun mime-viewer/play-content ()
792 (let ((mime-viewer/decoding-mode "play"))
793 (mime-preview/decode-content)
796 (defun mime-viewer/extract-content ()
798 (let ((mime-viewer/decoding-mode "extract"))
799 (mime-preview/decode-content)
802 (defun mime-viewer/print-content ()
804 (let ((mime-viewer/decoding-mode "print"))
805 (mime-preview/decode-content)
808 (defun mime-viewer/display-x-face ()
810 (save-window-excursion
811 (set-buffer mime::preview/article-buffer)
812 (mime-viewer/x-face-function)
815 (defun mime-viewer/up-content ()
817 (let ((pc (mime::point-preview-content (point))) cinfo
818 (the-buf (current-buffer))
820 (switch-to-buffer (mime::preview-content-info/buffer pc))
821 (setq cinfo (mime::preview-content-info/content-info pc))
822 (setq rcnum (mime::content-info/rcnum cinfo))
824 (mime-viewer/quit the-buf
825 (mime::preview-content-info/buffer pc)
827 (setq r (mime-article/rcnum-to-cinfo (cdr rcnum)))
828 (switch-to-buffer the-buf)
830 (let ((rpcl mime::preview/content-list) cell)
832 (setq cell (car rpcl))
833 (if (eq r (mime::preview-content-info/content-info cell))
835 (goto-char (mime::preview-content-info/point-min cell))
838 (setq rpcl (cdr rpcl))
842 (defun mime-viewer/previous-content ()
844 (let* ((pcl mime::preview/content-list)
846 (i (- (length pcl) 1))
850 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
852 (throw 'tag (goto-char beg))
856 (let ((f (assq mime::preview/original-major-mode
857 mime-viewer/over-to-previous-method-alist)))
864 (defun mime-viewer/next-content ()
866 (let ((pcl mime::preview/content-list)
871 (setq beg (mime::preview-content-info/point-min (car pcl)))
873 (throw 'tag (goto-char beg))
877 (let ((f (assq mime::preview/original-major-mode
878 mime-viewer/over-to-next-method-alist)))
885 (defun mime-viewer/scroll-up-content (&optional h)
888 (setq h (- (window-height) 1))
890 (if (= (point) (point-max))
891 (let ((f (assq mime::preview/original-major-mode
892 mime-viewer/over-to-next-method-alist)))
896 (let ((pcl mime::preview/content-list)
902 (setq beg (mime::preview-content-info/point-min (car pcl)))
917 (defun mime-viewer/scroll-down-content (&optional h)
920 (setq h (- (window-height) 1))
922 (if (= (point) (point-min))
923 (let ((f (assq mime::preview/original-major-mode
924 mime-viewer/over-to-previous-method-alist)))
928 (let ((pcl mime::preview/content-list)
932 (or (let ((i (- (length pcl) 1)))
935 (setq beg (mime::preview-content-info/point-min
949 (defun mime-viewer/next-line-content ()
951 (mime-viewer/scroll-up-content 1)
954 (defun mime-viewer/previous-line-content ()
956 (mime-viewer/scroll-down-content 1)
959 (defun mime-viewer/quit (&optional the-buf buf)
962 (setq the-buf (current-buffer))
965 (setq buf (mime::preview-content-info/buffer
966 (mime::point-preview-content (point))))
969 (switch-to-buffer buf)
970 (assq major-mode mime-viewer/quitting-method-alist)
974 (switch-to-buffer the-buf)
979 (defun mime-viewer/kill-buffer ()
981 (kill-buffer (current-buffer))
990 (run-hooks 'tm-view-load-hook)