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)
98 (or (ctree-find-calist mime-acting-condition ret
99 mime-view-find-every-acting-situation)
100 (ctree-find-calist mime-acting-condition cal
101 mime-view-find-every-acting-situation)
104 (setq ret (select-menu-alist
110 (cdr (assq 'method situation)))
113 (ctree-set-calist-strictly 'mime-user-acting-condition ret)
118 (setq method (cdr (assq 'method ret)))
119 (cond ((and (symbolp method)
121 (funcall method beg end ret)
123 ((and (listp method)(stringp (car method)))
124 (mime-activate-external-method beg end ret)
127 (mime-show-echo-buffer
128 "No method are specified for %s\n"
129 (mime-type/subtype-string c-type c-subtype))
135 ;;; @ external decoder
138 (defun mime-activate-external-method (beg end cal)
141 (narrow-to-region beg end)
143 (let ((method (cdr (assoc 'method cal)))
144 (name (mime-raw-get-filename cal))
147 (let ((file (make-temp-name
148 (expand-file-name "TM" mime-temp-directory)))
153 (if (re-search-forward "^$" nil t)
159 (write-region b end file)
160 (message "External method is starting...")
162 'name (replace-as-filename name) cal))
163 (setq cal (put-alist 'file file cal))
166 mime-echo-buffer-name (car method)
168 (mime-make-external-method-args
169 cal (cdr (cdr method)))
171 (apply (function start-process) args)
172 (mime-show-echo-buffer)
176 (defun mime-make-external-method-args (cal format)
181 (let* ((item (eval arg))
182 (ret (cdr (assoc item cal)))
186 (if (eq item 'encoding)
193 (defvar mime-echo-window-is-shared-with-bbdb t
194 "*If non-nil, mime-echo window is shared with BBDB window.")
196 (defvar mime-echo-window-height
199 (/ (window-height) 5)
201 "*Size of mime-echo window.
202 It allows function or integer. If it is function,
203 `mime-show-echo-buffer' calls it to get height of mime-echo window.
204 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
207 (defun mime-show-echo-buffer (&rest forms)
208 "Show mime-echo buffer to display MIME-playing information."
209 (get-buffer-create mime-echo-buffer-name)
210 (let ((the-win (selected-window))
211 (win (get-buffer-window mime-echo-buffer-name))
214 (if (and mime-echo-window-is-shared-with-bbdb
215 (boundp 'bbdb-buffer-name)
216 (setq win (get-buffer-window bbdb-buffer-name))
218 (set-window-buffer win mime-echo-buffer-name)
219 (select-window (get-buffer-window mime-preview-buffer))
220 (setq win (split-window-vertically
222 (if (functionp mime-echo-window-height)
223 (funcall mime-echo-window-height)
224 mime-echo-window-height)
226 (set-window-buffer win mime-echo-buffer-name)
229 (goto-char (point-max))
231 (insert (apply (function format) forms))
233 (select-window the-win)
240 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
242 (defvar mime-view-file-name-regexp-1
243 (concat mime-view-file-name-char-regexp "+\\."
244 mime-view-file-name-char-regexp "+"))
246 (defvar mime-view-file-name-regexp-2
247 (concat (regexp-* mime-view-file-name-char-regexp)
248 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
250 (defun mime-raw-get-original-filename (param &optional encoding)
251 (or (mime-raw-get-uu-filename param encoding)
253 (or (if (or (and (setq ret (mime/Content-Disposition))
254 (setq ret (assoc "filename" (cdr ret)))
256 (setq ret (assoc "name" param))
257 (setq ret (assoc "x-name" param))
259 (std11-strip-quoted-string (cdr ret))
262 (std11-find-field-body '("Content-Description"
264 (if (or (string-match mime-view-file-name-regexp-1 ret)
265 (string-match mime-view-file-name-regexp-2 ret))
266 (substring ret (match-beginning 0)(match-end 0))
271 (defun mime-raw-get-filename (param)
272 (replace-as-filename (mime-raw-get-original-filename param))
276 ;;; @ file extraction
279 (defun mime-method-to-save (beg end cal)
283 (narrow-to-region beg end)
284 (mime-raw-get-filename cal)
286 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
288 (if (and name (not (string-equal name "")))
289 (expand-file-name name
290 (save-window-excursion
294 (interactive "DDirectory: ")
296 (save-window-excursion
300 (interactive "FFilename: ")
301 (expand-file-name file)))))))
303 (if (file-exists-p filename)
304 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
306 (re-search-forward "\n\n")
307 (mime-write-decoded-region (match-end 0) end filename encoding)
311 ;;; @ mail/news message
314 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
315 "Quitting method for mime-view.
316 It is registered to variable `mime-preview-quitting-method-alist'."
317 (let ((mother mime-mother-buffer)
318 (win-conf mime-preview-original-window-configuration)
320 (kill-buffer mime-raw-buffer)
321 (mime-preview-kill-buffer)
322 (set-window-configuration win-conf)
323 (pop-to-buffer mother)
326 (defun mime-method-to-display-message/rfc822 (beg end cal)
327 (let* ((cnum (mime-raw-point-to-entity-number beg))
328 (new-name (format "%s-%s" (buffer-name) cnum))
329 (mother mime-preview-buffer)
331 (cdr (or (assq major-mode mime-text-decoder-alist)
332 (assq t mime-text-decoder-alist))))
334 (setq str (buffer-substring beg end))
335 (switch-to-buffer new-name)
338 (goto-char (point-min))
339 (if (re-search-forward "^\n" nil t)
340 (delete-region (point-min) (match-end 0))
342 (setq major-mode 'mime-show-message-mode)
343 (setq mime-text-decoder text-decoder)
344 (mime-view-mode mother)
348 ;;; @ message/partial
351 (defun mime-raw-write-region (start end filename)
352 "Write current region into specified file.
353 When called from a program, takes three arguments:
354 START, END and FILENAME. START and END are buffer positions.
355 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
357 (let ((coding-system-for-write
359 (or (assq major-mode mime-raw-buffer-coding-system-alist)
360 (assq t mime-raw-buffer-coding-system-alist)
362 (write-region start end filename)
365 (defun mime-method-to-store-message/partial (beg end cal)
369 (concat "m-prts-" (user-login-name)) mime-temp-directory))
370 (id (cdr (assoc "id" cal)))
371 (number (cdr (assoc "number" cal)))
372 (total (cdr (assoc "total" cal)))
374 (mother mime-preview-buffer)
376 (or (file-exists-p root-dir)
377 (make-directory root-dir)
379 (setq id (replace-as-filename id))
380 (setq root-dir (concat root-dir "/" id))
381 (or (file-exists-p root-dir)
382 (make-directory root-dir)
384 (setq file (concat root-dir "/FULL"))
385 (if (file-exists-p file)
386 (let ((full-buf (get-buffer-create "FULL"))
387 (pwin (or (get-buffer-window mother)
388 (get-largest-window)))
390 (save-window-excursion
391 (set-buffer full-buf)
393 (as-binary-input-file (insert-file-contents file))
394 (setq major-mode 'mime-show-message-mode)
395 (mime-view-mode mother)
397 (set-window-buffer pwin
399 (set-buffer full-buf)
400 mime-preview-buffer))
403 (re-search-forward "^$")
404 (goto-char (1+ (match-end 0)))
405 (setq file (concat root-dir "/" number))
406 (mime-raw-write-region (point) end file)
407 (let ((total-file (concat root-dir "/CT")))
411 (or (file-exists-p total-file)
414 (get-buffer-create mime-temp-buffer-name))
417 (write-region (point-min)(point-max) total-file)
418 (kill-buffer (current-buffer))
420 (string-to-number total)
422 (and (file-exists-p total-file)
424 (set-buffer (find-file-noselect total-file))
426 (and (re-search-forward "[0-9]+" nil t)
428 (buffer-substring (match-beginning 0)
431 (kill-buffer (current-buffer))
434 (if (and total (> total 0))
437 (set-buffer (get-buffer-create mime-temp-buffer-name))
438 (let ((full-buf (current-buffer)))
442 (setq file (concat root-dir "/" (int-to-string i)))
443 (or (file-exists-p file)
446 (as-binary-input-file (insert-file-contents file))
447 (goto-char (point-max))
450 (as-binary-output-file
451 (write-region (point-min)(point-max)
452 (expand-file-name "FULL" root-dir)))
455 (let ((file (format "%s/%d" root-dir i)))
456 (and (file-exists-p file)
461 (let ((file (expand-file-name "CT" root-dir)))
462 (and (file-exists-p file)
465 (save-window-excursion
466 (setq major-mode 'mime-show-message-mode)
467 (mime-view-mode mother)
469 (let ((pwin (or (get-buffer-window mother)
472 (pbuf (save-excursion
473 (set-buffer full-buf)
474 mime-preview-buffer)))
475 (set-window-buffer pwin pbuf)
481 ;;; @ message/external-body
484 (defvar mime-raw-dired-function
485 (if mime/use-multi-frame
486 (function dired-other-frame)
487 (function mime-raw-dired-function-for-one-frame)
490 (defun mime-raw-dired-function-for-one-frame (dir)
491 (let ((win (or (get-buffer-window mime-preview-buffer)
492 (get-largest-window))))
497 (defun mime-method-to-display-message/external-ftp (beg end cal)
498 (let* ((site (cdr (assoc "site" cal)))
499 (directory (cdr (assoc "directory" cal)))
500 (name (cdr (assoc "name" cal)))
501 ;;(mode (cdr (assoc "mode" cal)))
502 (pathname (concat "/anonymous@" site ":" directory))
504 (message (concat "Accessing " (expand-file-name name pathname) "..."))
505 (funcall mime-raw-dired-function pathname)
506 (goto-char (point-min))
507 (search-forward name)
514 (defun mime-method-to-display-caesar (start end cal)
515 "Internal method for mime-view to display ROT13-47-48 message."
516 (let* ((cnum (mime-raw-point-to-entity-number start))
517 (new-name (format "%s-%s" (buffer-name) cnum))
518 (the-buf (current-buffer))
519 (mother mime-preview-buffer)
520 (charset (cdr (assoc "charset" cal)))
521 (encoding (cdr (assq 'encoding cal)))
524 (let ((pwin (or (get-buffer-window mother)
525 (get-largest-window)))
526 (buf (get-buffer-create new-name))
528 (set-window-buffer pwin buf)
532 (setq buffer-read-only nil)
534 (insert-buffer-substring the-buf start end)
535 (goto-char (point-min))
536 (if (re-search-forward "^\n" nil t)
537 (delete-region (point-min) (match-end 0))
539 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
540 (assq t mime-text-decoder-alist)))))
542 (funcall m charset encoding)
544 (mule-caesar-region (point-min) (point-max))
545 (set-buffer-modified-p nil)
547 (view-buffer new-name)
556 ;;; mime-play.el ends here