1 ;;; mime-play.el --- Playback processing module for mime-view.el
3 ;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Created: 1995/9/26 (separated from tm-view.el)
7 ;; Renamed: 1997/2/21 from tm-play.el
8 ;; Keywords: MIME, multimedia, mail, news
10 ;; This file is part of SEMI (Secretariat of Emacs MIME Interfaces).
12 ;; This program is free software; you can redistribute it and/or
13 ;; modify it under the terms of the GNU General Public License as
14 ;; published by the Free Software Foundation; either version 2, or (at
15 ;; your option) any later version.
17 ;; This program is distributed in the hope that it will be useful, but
18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ;; General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
33 (eval-when-compile (require 'mime-text))
35 (defvar mime-user-acting-condition nil)
41 (defvar mime-preview-after-decoded-position nil)
43 (defun mime-preview-play-current-entity (&optional mode)
45 It decodes current entity to call internal or external method. The
46 method is selected from variable `mime-acting-condition'.
47 If MODE is specified, play as it. Default MODE is \"play\"."
51 (let ((entity-info (get-text-property (point) 'mime-view-entity)))
53 (let ((the-buf (current-buffer))
54 (raw-buffer (get-text-property (point) 'mime-view-raw-buffer)))
55 (setq mime-preview-after-decoded-position (point))
56 (set-buffer raw-buffer)
57 (mime-raw-play-entity entity-info mode)
58 (when (eq (current-buffer) raw-buffer)
60 (goto-char mime-preview-after-decoded-position)
63 (defun mime-raw-play-entity (entity-info &optional mode)
64 "Play entity specified by ENTITY-INFO.
65 It decodes the entity to call internal or external method. The method
66 is selected from variable `mime-acting-condition'. If MODE is
67 specified, play as it. Default MODE is \"play\"."
68 (let ((beg (mime-entity-point-min entity-info))
69 (end (mime-entity-point-max entity-info))
70 (c-type (mime-entity-media-type entity-info))
71 (c-subtype (mime-entity-media-subtype entity-info))
72 (params (mime-entity-parameters entity-info))
73 (encoding (mime-entity-encoding entity-info))
79 (if (< beg (point-min))
80 (setq beg (point-min))
82 (if (< (point-max) end)
83 (setq end (point-max))
86 (setq cal (list* (cons 'type c-type)
87 (cons 'subtype c-subtype)
88 (cons 'encoding encoding)
89 (cons 'major-mode major-mode)
92 (setq cal (cons (cons 'mode mode) cal))
95 (or (ctree-match-calist mime-user-acting-condition cal)
98 (or (ctree-find-calist mime-acting-condition ret 'all)
99 (ctree-find-calist mime-acting-condition cal 'all)
102 (setq ret (select-menu-alist
108 (cdr (assq 'method situation)))
111 (ctree-set-calist-strictly 'mime-user-acting-condition ret)
116 (setq method (cdr (assq 'method ret)))
117 (cond ((and (symbolp method)
119 (funcall method beg end ret)
121 ((and (listp method)(stringp (car method)))
122 (mime-activate-external-method beg end ret)
125 (mime-show-echo-buffer
126 "No method are specified for %s\n"
127 (mime-type/subtype-string c-type c-subtype))
133 ;;; @ external decoder
136 (defun mime-activate-external-method (beg end cal)
139 (narrow-to-region beg end)
141 (let ((method (cdr (assoc 'method cal)))
142 (name (mime-raw-get-filename cal))
145 (let ((file (make-temp-name
146 (expand-file-name "TM" mime-temp-directory)))
151 (if (re-search-forward "^$" nil t)
157 (write-region b end file)
158 (message "External method is starting...")
160 'name (replace-as-filename name) cal))
161 (setq cal (put-alist 'file file cal))
164 mime-echo-buffer-name (car method)
166 (mime-make-external-method-args
167 cal (cdr (cdr method)))
169 (apply (function start-process) args)
170 (mime-show-echo-buffer)
174 (defun mime-make-external-method-args (cal format)
179 (let* ((item (eval arg))
180 (ret (cdr (assoc item cal)))
184 (if (eq item 'encoding)
191 (defvar mime-echo-window-is-shared-with-bbdb t
192 "*If non-nil, mime-echo window is shared with BBDB window.")
194 (defvar mime-echo-window-height
197 (/ (window-height) 5)
199 "*Size of mime-echo window.
200 It allows function or integer. If it is function,
201 `mime-show-echo-buffer' calls it to get height of mime-echo window.
202 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
205 (defun mime-show-echo-buffer (&rest forms)
206 "Show mime-echo buffer to display MIME-playing information."
207 (get-buffer-create mime-echo-buffer-name)
208 (let ((the-win (selected-window))
209 (win (get-buffer-window mime-echo-buffer-name))
212 (if (and mime-echo-window-is-shared-with-bbdb
213 (boundp 'bbdb-buffer-name)
214 (setq win (get-buffer-window bbdb-buffer-name))
216 (set-window-buffer win mime-echo-buffer-name)
217 (select-window (get-buffer-window mime-preview-buffer))
218 (setq win (split-window-vertically
220 (if (functionp mime-echo-window-height)
221 (funcall mime-echo-window-height)
222 mime-echo-window-height)
224 (set-window-buffer win mime-echo-buffer-name)
227 (goto-char (point-max))
229 (insert (apply (function format) forms))
231 (select-window the-win)
238 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
240 (defvar mime-view-file-name-regexp-1
241 (concat mime-view-file-name-char-regexp "+\\."
242 mime-view-file-name-char-regexp "+"))
244 (defvar mime-view-file-name-regexp-2
245 (concat (regexp-* mime-view-file-name-char-regexp)
246 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
248 (defun mime-raw-get-original-filename (param &optional encoding)
249 (or (mime-raw-get-uu-filename param encoding)
251 (or (if (or (and (setq ret (mime/Content-Disposition))
252 (setq ret (assoc "filename" (cdr ret)))
254 (setq ret (assoc "name" param))
255 (setq ret (assoc "x-name" param))
257 (std11-strip-quoted-string (cdr ret))
260 (std11-find-field-body '("Content-Description"
262 (if (or (string-match mime-view-file-name-regexp-1 ret)
263 (string-match mime-view-file-name-regexp-2 ret))
264 (substring ret (match-beginning 0)(match-end 0))
269 (defun mime-raw-get-filename (param)
270 (replace-as-filename (mime-raw-get-original-filename param))
274 ;;; @ file extraction
277 (defun mime-method-to-save (beg end cal)
281 (narrow-to-region beg end)
282 (mime-raw-get-filename cal)
284 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
286 (if (and name (not (string-equal name "")))
287 (expand-file-name name
288 (save-window-excursion
292 (interactive "DDirectory: ")
294 (save-window-excursion
298 (interactive "FFilename: ")
299 (expand-file-name file)))))))
301 (if (file-exists-p filename)
302 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
304 (re-search-forward "\n\n")
305 (mime-write-decoded-region (match-end 0) end filename encoding)
309 ;;; @ mail/news message
312 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
313 "Quitting method for mime-view.
314 It is registered to variable `mime-preview-quitting-method-alist'."
315 (let ((mother mime-mother-buffer)
316 (win-conf mime-preview-original-window-configuration)
318 (kill-buffer mime-raw-buffer)
319 (mime-preview-kill-buffer)
320 (set-window-configuration win-conf)
321 (pop-to-buffer mother)
324 (defun mime-method-to-display-message/rfc822 (beg end cal)
325 (let* ((cnum (mime-raw-point-to-entity-number beg))
326 (new-name (format "%s-%s" (buffer-name) cnum))
327 (mother mime-preview-buffer)
329 (cdr (or (assq major-mode mime-text-decoder-alist)
330 (assq t mime-text-decoder-alist))))
332 (setq str (buffer-substring beg end))
333 (switch-to-buffer new-name)
336 (goto-char (point-min))
337 (if (re-search-forward "^\n" nil t)
338 (delete-region (point-min) (match-end 0))
340 (setq major-mode 'mime-show-message-mode)
341 (setq mime-text-decoder text-decoder)
342 (mime-view-mode mother)
346 ;;; @ message/partial
349 (defun mime-raw-write-region (start end filename)
350 "Write current region into specified file.
351 When called from a program, takes three arguments:
352 START, END and FILENAME. START and END are buffer positions.
353 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
355 (let ((coding-system-for-write
357 (or (assq major-mode mime-raw-buffer-coding-system-alist)
358 (assq t mime-raw-buffer-coding-system-alist)
360 (write-region start end filename)
363 (defun mime-method-to-store-message/partial (beg end cal)
367 (concat "m-prts-" (user-login-name)) mime-temp-directory))
368 (id (cdr (assoc "id" cal)))
369 (number (cdr (assoc "number" cal)))
370 (total (cdr (assoc "total" cal)))
372 (mother mime-preview-buffer)
374 (or (file-exists-p root-dir)
375 (make-directory root-dir)
377 (setq id (replace-as-filename id))
378 (setq root-dir (concat root-dir "/" id))
379 (or (file-exists-p root-dir)
380 (make-directory root-dir)
382 (setq file (concat root-dir "/FULL"))
383 (if (file-exists-p file)
384 (let ((full-buf (get-buffer-create "FULL"))
385 (pwin (or (get-buffer-window mother)
386 (get-largest-window)))
388 (save-window-excursion
389 (set-buffer full-buf)
391 (as-binary-input-file (insert-file-contents file))
392 (setq major-mode 'mime-show-message-mode)
393 (mime-view-mode mother)
395 (set-window-buffer pwin
397 (set-buffer full-buf)
398 mime-preview-buffer))
401 (re-search-forward "^$")
402 (goto-char (1+ (match-end 0)))
403 (setq file (concat root-dir "/" number))
404 (mime-raw-write-region (point) end file)
405 (let ((total-file (concat root-dir "/CT")))
409 (or (file-exists-p total-file)
412 (get-buffer-create mime-temp-buffer-name))
415 (write-region (point-min)(point-max) total-file)
416 (kill-buffer (current-buffer))
418 (string-to-number total)
420 (and (file-exists-p total-file)
422 (set-buffer (find-file-noselect total-file))
424 (and (re-search-forward "[0-9]+" nil t)
426 (buffer-substring (match-beginning 0)
429 (kill-buffer (current-buffer))
432 (if (and total (> total 0))
435 (set-buffer (get-buffer-create mime-temp-buffer-name))
436 (let ((full-buf (current-buffer)))
440 (setq file (concat root-dir "/" (int-to-string i)))
441 (or (file-exists-p file)
444 (as-binary-input-file (insert-file-contents file))
445 (goto-char (point-max))
448 (as-binary-output-file
449 (write-region (point-min)(point-max)
450 (expand-file-name "FULL" root-dir)))
453 (let ((file (format "%s/%d" root-dir i)))
454 (and (file-exists-p file)
459 (let ((file (expand-file-name "CT" root-dir)))
460 (and (file-exists-p file)
463 (save-window-excursion
464 (setq major-mode 'mime-show-message-mode)
465 (mime-view-mode mother)
467 (let ((pwin (or (get-buffer-window mother)
470 (pbuf (save-excursion
471 (set-buffer full-buf)
472 mime-preview-buffer)))
473 (set-window-buffer pwin pbuf)
479 ;;; @ message/external-body
482 (defvar mime-raw-dired-function
483 (if mime/use-multi-frame
484 (function dired-other-frame)
485 (function mime-raw-dired-function-for-one-frame)
488 (defun mime-raw-dired-function-for-one-frame (dir)
489 (let ((win (or (get-buffer-window mime-preview-buffer)
490 (get-largest-window))))
495 (defun mime-method-to-display-message/external-ftp (beg end cal)
496 (let* ((site (cdr (assoc "site" cal)))
497 (directory (cdr (assoc "directory" cal)))
498 (name (cdr (assoc "name" cal)))
499 ;;(mode (cdr (assoc "mode" cal)))
500 (pathname (concat "/anonymous@" site ":" directory))
502 (message (concat "Accessing " (expand-file-name name pathname) "..."))
503 (funcall mime-raw-dired-function pathname)
504 (goto-char (point-min))
505 (search-forward name)
512 (defun mime-method-to-display-caesar (start end cal)
513 "Internal method for mime-view to display ROT13-47-48 message."
514 (let* ((cnum (mime-raw-point-to-entity-number start))
515 (new-name (format "%s-%s" (buffer-name) cnum))
516 (the-buf (current-buffer))
517 (mother mime-preview-buffer)
518 (charset (cdr (assoc "charset" cal)))
519 (encoding (cdr (assq 'encoding cal)))
522 (let ((pwin (or (get-buffer-window mother)
523 (get-largest-window)))
524 (buf (get-buffer-create new-name))
526 (set-window-buffer pwin buf)
530 (setq buffer-read-only nil)
532 (insert-buffer-substring the-buf start end)
533 (goto-char (point-min))
534 (if (re-search-forward "^\n" nil t)
535 (delete-region (point-min) (match-end 0))
537 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
538 (assq t mime-text-decoder-alist)))))
540 (funcall m charset encoding)
542 (mule-caesar-region (point-min) (point-max))
543 (set-buffer-modified-p nil)
545 (view-buffer new-name)
554 ;;; mime-play.el ends here