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))
39 (defvar mime-preview-after-decoded-position nil)
41 (defun mime-preview-play-current-entity (&optional mode)
43 It decodes current entity to call internal or external method. The
44 method is selected from variable `mime-acting-condition'.
45 If MODE is specified, play as it. Default MODE is \"play\"."
49 (let ((entity-info (get-text-property (point) 'mime-view-entity)))
51 (let ((the-buf (current-buffer))
52 (raw-buffer (get-text-property (point) 'mime-view-raw-buffer)))
53 (setq mime-preview-after-decoded-position (point))
54 (set-buffer raw-buffer)
55 (mime-raw-play-entity entity-info mode)
56 (when (eq (current-buffer) raw-buffer)
58 (goto-char mime-preview-after-decoded-position)
61 (defvar mime-user-acting-condition nil)
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)
96 (ctree-match-calist-partially
97 mime-user-acting-condition cal)
100 (or (ctree-find-calist mime-acting-condition ret
101 mime-view-find-every-acting-situation)
102 (ctree-find-calist mime-acting-condition cal
103 mime-view-find-every-acting-situation)
106 (setq ret (select-menu-alist
112 (cdr (assq 'method situation)))
115 (ctree-set-calist-strictly 'mime-user-acting-condition ret)
120 (setq method (cdr (assq 'method ret)))
121 (cond ((and (symbolp method)
123 (funcall method beg end ret)
125 ((and (listp method)(stringp (car method)))
126 (mime-activate-external-method beg end ret)
129 (mime-show-echo-buffer
130 "No method are specified for %s\n"
131 (mime-type/subtype-string c-type c-subtype))
137 ;;; @ external decoder
140 (defun mime-activate-external-method (beg end cal)
143 (narrow-to-region beg end)
145 (let ((method (cdr (assoc 'method cal)))
146 (name (mime-raw-get-filename cal))
149 (let ((file (make-temp-name
150 (expand-file-name "TM" mime-temp-directory)))
155 (if (re-search-forward "^$" nil t)
161 (write-region b end file)
162 (message "External method is starting...")
164 'name (replace-as-filename name) cal))
165 (setq cal (put-alist 'file file cal))
168 mime-echo-buffer-name (car method)
170 (mime-make-external-method-args
171 cal (cdr (cdr method)))
173 (apply (function start-process) args)
174 (mime-show-echo-buffer)
178 (defun mime-make-external-method-args (cal format)
183 (let* ((item (eval arg))
184 (ret (cdr (assoc item cal)))
188 (if (eq item 'encoding)
195 (defvar mime-echo-window-is-shared-with-bbdb t
196 "*If non-nil, mime-echo window is shared with BBDB window.")
198 (defvar mime-echo-window-height
201 (/ (window-height) 5)
203 "*Size of mime-echo window.
204 It allows function or integer. If it is function,
205 `mime-show-echo-buffer' calls it to get height of mime-echo window.
206 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
209 (defun mime-show-echo-buffer (&rest forms)
210 "Show mime-echo buffer to display MIME-playing information."
211 (get-buffer-create mime-echo-buffer-name)
212 (let ((the-win (selected-window))
213 (win (get-buffer-window mime-echo-buffer-name))
216 (if (and mime-echo-window-is-shared-with-bbdb
217 (boundp 'bbdb-buffer-name)
218 (setq win (get-buffer-window bbdb-buffer-name))
220 (set-window-buffer win mime-echo-buffer-name)
221 (select-window (get-buffer-window mime-preview-buffer))
222 (setq win (split-window-vertically
224 (if (functionp mime-echo-window-height)
225 (funcall mime-echo-window-height)
226 mime-echo-window-height)
228 (set-window-buffer win mime-echo-buffer-name)
231 (goto-char (point-max))
233 (insert (apply (function format) forms))
235 (select-window the-win)
242 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
244 (defvar mime-view-file-name-regexp-1
245 (concat mime-view-file-name-char-regexp "+\\."
246 mime-view-file-name-char-regexp "+"))
248 (defvar mime-view-file-name-regexp-2
249 (concat (regexp-* mime-view-file-name-char-regexp)
250 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
252 (defun mime-raw-get-original-filename (param &optional encoding)
253 (or (mime-raw-get-uu-filename param encoding)
255 (or (if (or (and (setq ret (mime/Content-Disposition))
256 (setq ret (assoc "filename" (cdr ret)))
258 (setq ret (assoc "name" param))
259 (setq ret (assoc "x-name" param))
261 (std11-strip-quoted-string (cdr ret))
264 (std11-find-field-body '("Content-Description"
266 (if (or (string-match mime-view-file-name-regexp-1 ret)
267 (string-match mime-view-file-name-regexp-2 ret))
268 (substring ret (match-beginning 0)(match-end 0))
273 (defun mime-raw-get-filename (param)
274 (replace-as-filename (mime-raw-get-original-filename param))
278 ;;; @ file extraction
281 (defun mime-method-to-save (beg end cal)
285 (narrow-to-region beg end)
286 (mime-raw-get-filename cal)
288 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
290 (if (and name (not (string-equal name "")))
291 (expand-file-name name
292 (save-window-excursion
296 (interactive "DDirectory: ")
298 (save-window-excursion
302 (interactive "FFilename: ")
303 (expand-file-name file)))))))
305 (if (file-exists-p filename)
306 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
308 (re-search-forward "\n\n")
309 (mime-write-decoded-region (match-end 0) end filename encoding)
313 ;;; @ mail/news message
316 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
317 "Quitting method for mime-view.
318 It is registered to variable `mime-preview-quitting-method-alist'."
319 (let ((mother mime-mother-buffer)
320 (win-conf mime-preview-original-window-configuration)
322 (kill-buffer mime-raw-buffer)
323 (mime-preview-kill-buffer)
324 (set-window-configuration win-conf)
325 (pop-to-buffer mother)
328 (defun mime-method-to-display-message/rfc822 (beg end cal)
329 (let* ((cnum (mime-raw-point-to-entity-number beg))
330 (new-name (format "%s-%s" (buffer-name) cnum))
331 (mother mime-preview-buffer)
333 (cdr (or (assq major-mode mime-text-decoder-alist)
334 (assq t mime-text-decoder-alist))))
336 (setq str (buffer-substring beg end))
337 (switch-to-buffer new-name)
340 (goto-char (point-min))
341 (if (re-search-forward "^\n" nil t)
342 (delete-region (point-min) (match-end 0))
344 (setq major-mode 'mime-show-message-mode)
345 (setq mime-text-decoder text-decoder)
346 (mime-view-mode mother)
350 ;;; @ message/partial
353 (defun mime-raw-write-region (start end filename)
354 "Write current region into specified file.
355 When called from a program, takes three arguments:
356 START, END and FILENAME. START and END are buffer positions.
357 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
359 (let ((coding-system-for-write
361 (or (assq major-mode mime-raw-buffer-coding-system-alist)
362 (assq t mime-raw-buffer-coding-system-alist)
364 (write-region start end filename)
367 (defun mime-method-to-store-message/partial (beg end cal)
371 (concat "m-prts-" (user-login-name)) mime-temp-directory))
372 (id (cdr (assoc "id" cal)))
373 (number (cdr (assoc "number" cal)))
374 (total (cdr (assoc "total" cal)))
376 (mother mime-preview-buffer)
378 (or (file-exists-p root-dir)
379 (make-directory root-dir)
381 (setq id (replace-as-filename id))
382 (setq root-dir (concat root-dir "/" id))
383 (or (file-exists-p root-dir)
384 (make-directory root-dir)
386 (setq file (concat root-dir "/FULL"))
387 (if (file-exists-p file)
388 (let ((full-buf (get-buffer-create "FULL"))
389 (pwin (or (get-buffer-window mother)
390 (get-largest-window)))
392 (save-window-excursion
393 (set-buffer full-buf)
395 (as-binary-input-file (insert-file-contents file))
396 (setq major-mode 'mime-show-message-mode)
397 (mime-view-mode mother)
399 (set-window-buffer pwin
401 (set-buffer full-buf)
402 mime-preview-buffer))
405 (re-search-forward "^$")
406 (goto-char (1+ (match-end 0)))
407 (setq file (concat root-dir "/" number))
408 (mime-raw-write-region (point) end file)
409 (let ((total-file (concat root-dir "/CT")))
413 (or (file-exists-p total-file)
416 (get-buffer-create mime-temp-buffer-name))
419 (write-region (point-min)(point-max) total-file)
420 (kill-buffer (current-buffer))
422 (string-to-number total)
424 (and (file-exists-p total-file)
426 (set-buffer (find-file-noselect total-file))
428 (and (re-search-forward "[0-9]+" nil t)
430 (buffer-substring (match-beginning 0)
433 (kill-buffer (current-buffer))
436 (if (and total (> total 0))
439 (set-buffer (get-buffer-create mime-temp-buffer-name))
440 (let ((full-buf (current-buffer)))
444 (setq file (concat root-dir "/" (int-to-string i)))
445 (or (file-exists-p file)
448 (as-binary-input-file (insert-file-contents file))
449 (goto-char (point-max))
452 (as-binary-output-file
453 (write-region (point-min)(point-max)
454 (expand-file-name "FULL" root-dir)))
457 (let ((file (format "%s/%d" root-dir i)))
458 (and (file-exists-p file)
463 (let ((file (expand-file-name "CT" root-dir)))
464 (and (file-exists-p file)
467 (save-window-excursion
468 (setq major-mode 'mime-show-message-mode)
469 (mime-view-mode mother)
471 (let ((pwin (or (get-buffer-window mother)
474 (pbuf (save-excursion
475 (set-buffer full-buf)
476 mime-preview-buffer)))
477 (set-window-buffer pwin pbuf)
483 ;;; @ message/external-body
486 (defvar mime-raw-dired-function
487 (if mime/use-multi-frame
488 (function dired-other-frame)
489 (function mime-raw-dired-function-for-one-frame)
492 (defun mime-raw-dired-function-for-one-frame (dir)
493 (let ((win (or (get-buffer-window mime-preview-buffer)
494 (get-largest-window))))
499 (defun mime-method-to-display-message/external-ftp (beg end cal)
500 (let* ((site (cdr (assoc "site" cal)))
501 (directory (cdr (assoc "directory" cal)))
502 (name (cdr (assoc "name" cal)))
503 ;;(mode (cdr (assoc "mode" cal)))
504 (pathname (concat "/anonymous@" site ":" directory))
506 (message (concat "Accessing " (expand-file-name name pathname) "..."))
507 (funcall mime-raw-dired-function pathname)
508 (goto-char (point-min))
509 (search-forward name)
516 (defun mime-method-to-display-caesar (start end cal)
517 "Internal method for mime-view to display ROT13-47-48 message."
518 (let* ((cnum (mime-raw-point-to-entity-number start))
519 (new-name (format "%s-%s" (buffer-name) cnum))
520 (the-buf (current-buffer))
521 (mother mime-preview-buffer)
522 (charset (cdr (assoc "charset" cal)))
523 (encoding (cdr (assq 'encoding cal)))
526 (let ((pwin (or (get-buffer-window mother)
527 (get-largest-window)))
528 (buf (get-buffer-create new-name))
530 (set-window-buffer pwin buf)
534 (setq buffer-read-only nil)
536 (insert-buffer-substring the-buf start end)
537 (goto-char (point-min))
538 (if (re-search-forward "^\n" nil t)
539 (delete-region (point-min) (match-end 0))
541 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
542 (assq t mime-text-decoder-alist)))))
544 (funcall m charset encoding)
546 (mule-caesar-region (point-min) (point-max))
547 (set-buffer-modified-p nil)
549 (view-buffer new-name)
558 ;;; mime-play.el ends here