2 ;;; tm-view.el --- interactive MIME viewer for GNU Emacs
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1994 .. 1996 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: 7.42 $
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 7.42 1996/02/13 06:28:37 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" "References"
124 "Replied" "Errors-To"
125 "Lines" "Sender" ".*Host" "Xref"
126 "Content-Type" "Precedence"
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)
146 (defvar mime-viewer/redisplay nil)
148 (defvar mime-viewer/announcement-for-message/partial
149 (if (and (>= emacs-major-version 19) window-system)
151 \[[ This is message/partial style split message. ]]
152 \[[ Please press `v' key in this buffer ]]
153 \[[ or click here by mouse button-2. ]]"
155 \[[ This is message/partial style split message. ]]
156 \[[ Please press `v' key in this buffer. ]]"
160 ;;; @@ predicate functions
163 (defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
167 (mime::content-info/type
168 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
170 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
173 (defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
177 (mime::content-info/type
178 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
181 (and (member ctype mime-viewer/default-showing-Content-Type-list)
182 (if (string-equal ctype "application/octet-stream")
185 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
187 (member (mime::content-info/encoding ccinfo)
188 '(nil "7bit" "8bit"))
194 ;;; @@ content subject
197 (defun mime-viewer/insert-content-subject
198 (rcnum cinfo ctype params subj)
200 (narrow-to-region (point)(point))
202 (let ((access-type (assoc "access-type" params))
203 (num (or (assoc-value "x-part-number" params)
207 (format "%s" (1+ num))
213 (let ((server (assoc "server" params)))
214 (setq access-type (cdr access-type))
216 (format "[%s %s ([%s] %s)]\n" num subj
217 access-type (cdr server))
218 (let ((site (assoc-value "site" params))
219 (dir (assoc-value "directory" params))
221 (format "[%s %s ([%s] %s:%s)]\n" num subj
222 access-type site dir)
224 (format "[%s %s (%s)]\n" num subj ctype)
226 (tm:add-button (point-min)(1- (point-max))
227 (function mime-viewer/play-content))
230 (defun mime-viewer/default-content-subject-function
231 (rcnum cinfo ctype params subj)
232 (if (and (consp rcnum)
235 mime-viewer/content-subject-omitting-Content-Type-list)))
236 (mime-viewer/insert-content-subject
237 rcnum cinfo ctype params subj)
240 (defvar mime-viewer/content-subject-function
241 (function mime-viewer/default-content-subject-function))
244 ;;; @@ content header filter
247 (defun mime-preview/cut-header ()
248 (goto-char (point-min))
250 (re-search-forward mime-viewer/ignored-field-regexp nil t)
251 (let* ((beg (match-beginning 0))
253 (name (buffer-substring beg end))
255 (if (not (string-match mime-viewer/visible-field-regexp name))
260 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
267 (defun mime-viewer/default-content-header-filter ()
268 (mime-preview/cut-header)
269 (mime/decode-message-header)
272 (defvar mime-viewer/content-header-filter-alist nil)
275 ;;; @@ content filter
278 (defvar mime-viewer/content-filter-alist
279 '(("text/plain" . mime-viewer/filter-text/plain)
280 ("application/pgp" . mime-viewer/filter-text/plain)
281 (nil . mime-viewer/filter-text/plain)))
283 (defun mime-viewer/default-content-filter (rcnum cinfo ctype params subj)
287 ;;; @@ content separator
290 (defun mime-viewer/default-content-separator (rcnum cinfo ctype params subj)
291 (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
292 (not (mime-viewer/body-visible-p rcnum cinfo ctype))
295 (goto-char (point-max))
300 ;;; @@ buffer local variables
304 (defvar mime::article/preview-buffer nil)
305 (defvar mime::article/code-converter nil)
306 (defvar mime::preview/article-buffer nil)
308 (make-variable-buffer-local 'mime::article/content-info)
309 (make-variable-buffer-local 'mime::article/preview-buffer)
310 (make-variable-buffer-local 'mime::article/code-converter)
312 (make-variable-buffer-local 'mime::preview/mother-buffer)
313 (make-variable-buffer-local 'mime::preview/content-list)
314 (make-variable-buffer-local 'mime::preview/article-buffer)
315 (make-variable-buffer-local 'mime::preview/original-major-mode)
316 (make-variable-buffer-local 'mime::preview/original-window-configuration)
319 ;;; @@ quitting method
322 (defvar mime-viewer/quitting-method-alist
323 '((mime/show-message-mode
324 . mime-viewer/quitting-method-for-mime/show-message-mode)))
326 (defvar mime-viewer/over-to-previous-method-alist nil)
327 (defvar mime-viewer/over-to-next-method-alist nil)
329 (defvar mime-viewer/show-summary-method nil)
335 ;; hack from Gnus 5.0.4.
337 (defvar mime-viewer/x-face-to-pbm-command
338 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
340 (defvar mime-viewer/x-face-command
341 (concat mime-viewer/x-face-to-pbm-command
343 "String to be executed to display an X-Face field.
344 The command will be executed in a sub-shell asynchronously.
345 The compressed face will be piped to this command.")
347 (defun mime-viewer/x-face-function ()
348 "Function to display X-Face field. You can redefine to customize."
349 ;; 1995/10/12 (c.f. tm-eng:130)
350 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
352 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
354 (goto-char (point-min))
355 (if (re-search-forward "^X-Face:[ \t]*" nil t)
356 (let ((beg (match-end 0))
357 (end (rfc822/field-end))
359 (call-process-region beg end "sh" nil 0 nil
360 "-c" mime-viewer/x-face-command)
364 ;;; @ data structures
367 ;;; @@ preview-content-info
370 (define-structure mime::preview-content-info
371 point-min point-max buffer content-info)
377 (defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
383 (or mime-viewer/redisplay
384 (setq mime::article/content-info (mime/parse-message ctl encoding))
386 (let ((ret (mime-viewer/make-preview-buffer obuf)))
387 (setq mime::article/preview-buffer (car ret))
390 (defun mime-viewer/make-preview-buffer (&optional obuf)
391 (let ((cinfo mime::article/content-info)
392 (the-buf (current-buffer))
396 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*"))
398 (setq pcl (mime/flatten-content-info cinfo))
399 (let ((bf (get-buffer obuf)))
403 (setq buffer-read-only nil)
406 (setq bf (get-buffer-create obuf))
409 (setq mime::preview/article-buffer the-buf)
410 (setq mime::preview/original-major-mode mode)
411 (setq major-mode 'mime/viewer-mode)
412 (setq mode-name "MIME-View")
417 (mime-viewer/display-content content cinfo the-buf obuf)
420 (set-buffer-modified-p nil)
421 (setq buffer-read-only t)
426 (defun mime-viewer/display-content (content cinfo ibuf obuf)
427 (let* ((beg (mime::content-info/point-min content))
428 (end (mime::content-info/point-max content))
429 (ctype (mime::content-info/type content))
430 (params (mime::content-info/parameters content))
431 (encoding (mime::content-info/encoding content))
432 (rcnum (mime::content-info/rcnum content))
436 (setq he (if (re-search-forward "^$" nil t)
443 (narrow-to-region beg end)
445 (mime-eword/decode-string
446 (mime-article/get-subject params encoding)))
450 (narrow-to-region nb nb)
451 (funcall mime-viewer/content-subject-function
452 rcnum cinfo ctype params subj)
454 (if (mime-viewer/header-visible-p rcnum cinfo ctype)
455 (mime-viewer/display-header beg he obuf)
457 (if (and (null rcnum)
459 ctype mime-viewer/content-subject-showing-Content-Type-list))
462 (goto-char (point-max))
463 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
465 (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
466 (mime-viewer/display-body he end obuf
467 rcnum cinfo ctype params subj encoding)
469 ((equal ctype "message/partial")
470 (mime-viewer/display-message/partial obuf)
473 (null (mime::content-info/children cinfo))
476 (goto-char (point-max))
477 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
479 (t (set-buffer obuf))
481 (mime-viewer/default-content-separator rcnum cinfo ctype params subj)
484 (setq ne (point-max))
486 (mime::preview-content-info/create nb (1- ne) ibuf content)
491 (defun mime-viewer/display-header (beg end obuf)
492 (let ((str (buffer-substring beg end))
493 (f (assq major-mode mime-viewer/content-header-filter-alist))
498 (narrow-to-region (point)(point))
500 (if (and f (setq f (cdr f)))
502 (mime-viewer/default-content-header-filter)
504 (run-hooks 'mime-viewer/content-header-filter-hook)
507 (defun mime-viewer/display-body (beg end obuf
508 rcnum cinfo ctype params subj encoding)
509 (let ((str (buffer-substring beg end))
513 (setq be (point-max))
514 (narrow-to-region be be)
516 (let ((f (assoc-value ctype mime-viewer/content-filter-alist)))
517 (if (and f (fboundp f))
518 (funcall f ctype params encoding)
519 (mime-viewer/default-content-filter rcnum cinfo ctype params subj)
523 (defun mime-viewer/display-message/partial (obuf)
526 (goto-char (point-max))
527 (if (not (search-backward "\n\n" nil t))
530 (let ((be (point-max)))
531 (narrow-to-region be be)
532 (insert mime-viewer/announcement-for-message/partial)
533 (tm:add-button (point-min)(point-max)
534 (function mime-viewer/play-content))
537 (defun mime-article/get-uu-filename (param &optional encoding)
538 (if (member (or encoding
539 (cdr (assq 'encoding param))
541 mime-viewer/uuencode-encoding-name-list)
543 (or (if (re-search-forward "^begin [0-9]+ " nil t)
544 (if (looking-at ".+$")
545 (buffer-substring (match-beginning 0)(match-end 0))
550 (defun mime-article/get-subject (param &optional encoding)
551 (or (rfc822/get-field-body "Content-Description")
552 (rfc822/get-field-body "Subject")
554 (if (or (and (setq ret (mime/Content-Disposition))
555 (setq ret (assoc "filename" (cdr ret)))
557 (setq ret (assoc "name" param))
558 (setq ret (assoc "x-name" param))
560 (rfc822/strip-quoted-string (cdr ret))
562 (mime-article/get-uu-filename param encoding)
566 ;;; @ content information
569 (defun mime-article/point-content-number (p &optional cinfo)
571 (setq cinfo mime::article/content-info)
573 (let ((b (mime::content-info/point-min cinfo))
574 (e (mime::content-info/point-max cinfo))
575 (c (mime::content-info/children cinfo))
577 (if (and (<= b p)(<= p e))
578 (or (let (co ret (sn 0))
582 (setq ret (mime-article/point-content-number p co))
583 (cond ((eq ret t) (throw 'tag (list sn)))
584 (ret (throw 'tag (cons sn ret)))
591 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
593 (setq cinfo mime::article/content-info)
598 (equal (mime::content-info/rcnum ci) rcnum)
600 (mime/flatten-content-info cinfo)
603 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
605 (setq cinfo mime::article/content-info)
612 (let ((rc (nth sn (mime::content-info/children cinfo))))
614 (mime-article/cnum-to-cinfo (cdr cn) rc)
618 (defun mime/flatten-content-info (&optional cinfo)
620 (setq cinfo mime::article/content-info)
622 (let ((dest (list cinfo))
623 (rcl (mime::content-info/children cinfo))
626 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
631 (defun mime-preview/point-pcinfo (p &optional pcl)
633 (setq pcl mime::preview/content-list)
639 (if (and (<= (mime::preview-content-info/point-min cell) p)
640 (<= p (mime::preview-content-info/point-max cell))
653 (defvar mime-viewer/code-converter-alist
654 '((mime/show-message-mode . mime/code-convert-region-to-emacs))
657 (defun mime-viewer/default-code-convert-region
658 (beg end charset &optional encoding)
659 (if (member encoding '("quoted-printable" "base64"))
660 (mime/code-convert-region-to-emacs beg (point-max) charset)
663 (defun mime-preview/decode-text-region (beg end charset encoding)
664 (mime/decode-region encoding beg end)
665 (let* ((mode mime::preview/original-major-mode)
666 (m (or (save-excursion
667 (set-buffer mime::preview/article-buffer)
668 mime::article/code-converter)
669 (cdr (assq mode mime-viewer/code-converter-alist))
672 (if (and m (fboundp m))
673 (funcall m beg (point-max) charset encoding)
674 (mime-viewer/default-code-convert-region
675 beg (point-max) charset encoding)
678 (defun mime-viewer/filter-text/plain (ctype params encoding)
679 (let ((charset (cdr (assoc "charset" params)))
680 (beg (point-min)) (end (point-max))
682 (mime-preview/decode-text-region beg end charset encoding)
684 (goto-char (point-max))
685 (if (not (eq (char-after (1- (point))) ?\n))
688 (if browse-url-browser-function
690 (goto-char (point-min))
691 (while (re-search-forward tm:URL-regexp nil t)
692 (let ((beg (match-beginning 0))
694 (tm:add-button beg end
695 (function tm:browse-url)
696 (list (buffer-substring beg end))))
698 (run-hooks 'mime-viewer/plain-text-preview-hook)
702 ;;; @ MIME viewer mode
705 (defconst mime-viewer/menu-title "MIME-View")
706 (defconst mime-viewer/menu-list
707 '((up "Move to upper content" mime-viewer/up-content)
708 (previous "Move to previous content" mime-viewer/previous-content)
709 (next "Move to next content" mime-viewer/next-content)
710 (scroll-down "Scroll to previous content" mime-viewer/scroll-down-content)
711 (scroll-up "Scroll to next content" mime-viewer/scroll-up-content)
712 (play "Play Content" mime-viewer/play-content)
713 (extract "Extract Content" mime-viewer/extract-content)
714 (print "Print" mime-viewer/print-content)
715 (x-face "Show X Face" mime-viewer/display-x-face)
717 "Menu for MIME Viewer")
719 (defvar mime/viewer-mode-map nil)
720 (if (null mime/viewer-mode-map)
722 (setq mime/viewer-mode-map (make-keymap))
723 (suppress-keymap mime/viewer-mode-map)
724 (define-key mime/viewer-mode-map
725 "u" (function mime-viewer/up-content))
726 (define-key mime/viewer-mode-map
727 "p" (function mime-viewer/previous-content))
728 (define-key mime/viewer-mode-map
729 "n" (function mime-viewer/next-content))
730 (define-key mime/viewer-mode-map
731 " " (function mime-viewer/scroll-up-content))
732 (define-key mime/viewer-mode-map
733 "\M- " (function mime-viewer/scroll-down-content))
734 (define-key mime/viewer-mode-map
735 "\177" (function mime-viewer/scroll-down-content))
736 (define-key mime/viewer-mode-map
737 "\C-m" (function mime-viewer/next-line-content))
738 (define-key mime/viewer-mode-map
739 "\C-\M-m" (function mime-viewer/previous-line-content))
740 (define-key mime/viewer-mode-map
741 "v" (function mime-viewer/play-content))
742 (define-key mime/viewer-mode-map
743 "e" (function mime-viewer/extract-content))
744 (define-key mime/viewer-mode-map
745 "\C-c\C-p" (function mime-viewer/print-content))
746 (define-key mime/viewer-mode-map
747 "f" (function mime-viewer/display-x-face))
748 (define-key mime/viewer-mode-map
749 "q" (function mime-viewer/quit))
750 (define-key mime/viewer-mode-map
751 "h" (function mime-viewer/show-summary))
752 (define-key mime/viewer-mode-map
753 "\C-c\C-x" (function mime-viewer/kill-buffer))
754 (define-key mime/viewer-mode-map
755 "<" (function beginning-of-buffer))
756 (define-key mime/viewer-mode-map
757 ">" (function end-of-buffer))
759 (define-key mime/viewer-mode-map
760 mouse-button-2 (function tm:button-dispatcher))
762 (cond ((string-match "XEmacs\\|Lucid" emacs-version)
763 (defvar mime-viewer/xemacs-popup-menu
764 (cons mime-viewer/menu-title
767 (vector (nth 1 item)(nth 2 item) t)
769 mime-viewer/menu-list)))
770 (defun mime-viewer/xemacs-popup-menu (event)
771 "Popup the menu in the MIME Viewer buffer"
773 (select-window (event-window event))
774 (set-buffer (event-buffer event))
775 (popup-menu 'mime-viewer/xemacs-popup-menu))
776 (define-key mime/viewer-mode-map
777 mouse-button-3 (function mime-viewer/xemacs-popup-menu))
779 ((>= emacs-major-version 19)
780 (define-key mime/viewer-mode-map [menu-bar mime-view]
781 (cons mime-viewer/menu-title
782 (make-sparse-keymap mime-viewer/menu-title)))
785 (define-key mime/viewer-mode-map
786 (vector 'menu-bar 'mime-view (car item))
787 (cons (nth 1 item)(nth 2 item))
790 (reverse mime-viewer/menu-list)
795 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
796 "Major mode for viewing MIME message.
798 Here is a list of the standard keys for mime/viewer-mode.
803 u Move to upper content
804 p Move to previous content
805 n Move to next content
806 SPC Scroll up or move to next content
807 M-SPC Scroll down or move to previous content
808 DEL Scroll down or move to previous content
809 RET Move to next line
810 M-RET Move to previous line
811 v Decode current content as `play mode'
812 e Decode current content as `extract mode'
813 C-c C-p Decode current content as `print mode'
816 button-2 Move to point under the mouse cursor
817 and decode current content as `play mode'
820 Here are all the commands with their current binding,
823 \\{mime/viewer-mode-map}
826 (let ((buf (get-buffer mime/output-buffer-name)))
832 (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf))
833 (win-conf (current-window-configuration))
836 (switch-to-buffer (car ret))
837 (setq mime::preview/original-window-configuration win-conf)
840 (setq mime::preview/mother-buffer mother)
842 (use-local-map mime/viewer-mode-map)
843 (setq mime::preview/content-list (nth 1 ret))
845 (let ((ce (mime::preview-content-info/point-max
846 (car mime::preview/content-list)
849 (goto-char (point-min))
850 (search-forward "\n\n" nil t)
851 (setq e (match-end 0))
855 (run-hooks 'mime/viewer-mode-hook)
858 (defun mime-preview/point-content-number (point)
859 (save-window-excursion
860 (let ((pc (mime-preview/point-pcinfo (point)))
862 (switch-to-buffer (mime::preview-content-info/buffer pc))
863 (setq cinfo (mime::preview-content-info/content-info pc))
864 (mime-article/point-content-number (mime::content-info/point-min cinfo))
867 (defun mime-preview/cinfo-to-pcinfo (cinfo)
868 (let ((rpcl mime::preview/content-list) cell)
871 (setq cell (car rpcl))
872 (if (eq cinfo (mime::preview-content-info/content-info cell))
875 (setq rpcl (cdr rpcl))
878 (autoload 'mime-preview/decode-content "tm-play")
880 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
882 (defun mime-viewer/play-content ()
884 (let ((mime-viewer/decoding-mode "play"))
885 (mime-preview/decode-content)
888 (defun mime-viewer/extract-content ()
890 (let ((mime-viewer/decoding-mode "extract"))
891 (mime-preview/decode-content)
894 (defun mime-viewer/print-content ()
896 (let ((mime-viewer/decoding-mode "print"))
897 (mime-preview/decode-content)
900 (defun mime-viewer/display-x-face ()
902 (save-window-excursion
903 (set-buffer mime::preview/article-buffer)
904 (mime-viewer/x-face-function)
907 (defun mime-viewer/up-content ()
909 (let ((pc (mime-preview/point-pcinfo (point))) cinfo
910 (the-buf (current-buffer))
912 (switch-to-buffer (mime::preview-content-info/buffer pc))
913 (setq cinfo (mime::preview-content-info/content-info pc))
914 (setq rcnum (mime::content-info/rcnum cinfo))
916 (mime-viewer/quit the-buf
917 (mime::preview-content-info/buffer pc)
919 (setq r (mime-article/rcnum-to-cinfo (cdr rcnum)))
920 (switch-to-buffer the-buf)
922 (let ((rpcl mime::preview/content-list) cell)
924 (setq cell (car rpcl))
925 (if (eq r (mime::preview-content-info/content-info cell))
927 (goto-char (mime::preview-content-info/point-min cell))
930 (setq rpcl (cdr rpcl))
934 (defun mime-viewer/previous-content ()
936 (let* ((pcl mime::preview/content-list)
938 (i (- (length pcl) 1))
942 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
944 (throw 'tag (goto-char beg))
948 (let ((f (assq mime::preview/original-major-mode
949 mime-viewer/over-to-previous-method-alist)))
956 (defun mime-viewer/next-content ()
958 (let ((pcl mime::preview/content-list)
963 (setq beg (mime::preview-content-info/point-min (car pcl)))
965 (throw 'tag (goto-char beg))
969 (let ((f (assq mime::preview/original-major-mode
970 mime-viewer/over-to-next-method-alist)))
977 (defun mime-viewer/scroll-up-content (&optional h)
980 (setq h (- (window-height) 1))
982 (if (= (point) (point-max))
983 (let ((f (assq mime::preview/original-major-mode
984 mime-viewer/over-to-next-method-alist)))
988 (let ((pcl mime::preview/content-list)
994 (setq beg (mime::preview-content-info/point-min (car pcl)))
1009 (defun mime-viewer/scroll-down-content (&optional h)
1012 (setq h (- (window-height) 1))
1014 (if (= (point) (point-min))
1015 (let ((f (assq mime::preview/original-major-mode
1016 mime-viewer/over-to-previous-method-alist)))
1020 (let ((pcl mime::preview/content-list)
1024 (or (let ((i (- (length pcl) 1)))
1027 (setq beg (mime::preview-content-info/point-min
1035 (forward-line (- h))
1041 (defun mime-viewer/next-line-content ()
1043 (mime-viewer/scroll-up-content 1)
1046 (defun mime-viewer/previous-line-content ()
1048 (mime-viewer/scroll-down-content 1)
1051 (defun mime-viewer/quit ()
1053 (let ((r (save-excursion
1054 (set-buffer (mime::preview-content-info/buffer
1055 (mime-preview/point-pcinfo (point))))
1056 (assq major-mode mime-viewer/quitting-method-alist)
1062 (defun mime-viewer/show-summary ()
1064 (let ((r (save-excursion
1066 (mime::preview-content-info/buffer
1067 (mime-preview/point-pcinfo (point)))
1069 (assq major-mode mime-viewer/show-summary-method)
1075 (defun mime-viewer/kill-buffer ()
1077 (kill-buffer (current-buffer))
1086 (run-hooks 'tm-view-load-hook)
1088 ;;; tm-view.el ends here