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 (defun mime-raw-play-entity (entity-info &optional mode)
62 "Play entity specified by ENTITY-INFO.
63 It decodes the entity to call internal or external method. The method
64 is selected from variable `mime-acting-condition'. If MODE is
65 specified, play as it. Default MODE is \"play\"."
66 (let ((beg (mime-entity-point-min entity-info))
67 (end (mime-entity-point-max entity-info))
68 (c-type (mime-entity-media-type entity-info))
69 (c-subtype (mime-entity-media-subtype entity-info))
70 (params (mime-entity-parameters entity-info))
71 (encoding (mime-entity-encoding entity-info))
77 (if (< beg (point-min))
78 (setq beg (point-min))
80 (if (< (point-max) end)
81 (setq end (point-max))
84 (setq cal (list* (cons 'type c-type)
85 (cons 'subtype c-subtype)
86 (cons 'encoding encoding)
87 (cons 'major-mode major-mode)
90 (setq cal (cons (cons 'mode mode) cal))
92 (setq ret (mime/get-content-decoding-alist cal))
93 (setq method (cdr (assq 'method ret)))
94 (cond ((and (symbolp method)
96 (funcall method beg end ret)
98 ((and (listp method)(stringp (car method)))
99 (mime-activate-external-method beg end ret)
102 (mime-show-echo-buffer
103 "No method are specified for %s\n"
104 (mime-type/subtype-string c-type c-subtype))
110 ;;; @ method selector
113 (defun mime/get-content-decoding-alist (al)
114 (get-unified-alist mime-acting-condition al)
118 ;;; @ external decoder
121 (defun mime-activate-external-method (beg end cal)
124 (narrow-to-region beg end)
126 (let ((method (cdr (assoc 'method cal)))
127 (name (mime-raw-get-filename cal))
130 (let ((file (make-temp-name
131 (expand-file-name "TM" mime-temp-directory)))
136 (if (re-search-forward "^$" nil t)
142 (write-region b end file)
143 (message "External method is starting...")
145 'name (replace-as-filename name) cal))
146 (setq cal (put-alist 'file file cal))
149 mime-echo-buffer-name (car method)
151 (mime-make-external-method-args
152 cal (cdr (cdr method)))
154 (apply (function start-process) args)
155 (mime-show-echo-buffer)
159 (defun mime-make-external-method-args (cal format)
164 (let* ((item (eval arg))
165 (ret (cdr (assoc item cal)))
169 (if (eq item 'encoding)
176 (defvar mime-echo-window-is-shared-with-bbdb t
177 "*If non-nil, mime-echo window is shared with BBDB window.")
179 (defvar mime-echo-window-height
182 (/ (window-height) 5)
184 "*Size of mime-echo window.
185 It allows function or integer. If it is function,
186 `mime-show-echo-buffer' calls it to get height of mime-echo window.
187 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
190 (defun mime-show-echo-buffer (&rest forms)
191 "Show mime-echo buffer to display MIME-playing information."
192 (get-buffer-create mime-echo-buffer-name)
193 (let ((the-win (selected-window))
194 (win (get-buffer-window mime-echo-buffer-name))
197 (if (and mime-echo-window-is-shared-with-bbdb
198 (boundp 'bbdb-buffer-name)
199 (setq win (get-buffer-window bbdb-buffer-name))
201 (set-window-buffer win mime-echo-buffer-name)
202 (select-window (get-buffer-window mime-preview-buffer))
203 (setq win (split-window-vertically
205 (if (functionp mime-echo-window-height)
206 (funcall mime-echo-window-height)
207 mime-echo-window-height)
209 (set-window-buffer win mime-echo-buffer-name)
212 (goto-char (point-max))
214 (insert (apply (function format) forms))
216 (select-window the-win)
223 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
225 (defvar mime-view-file-name-regexp-1
226 (concat mime-view-file-name-char-regexp "+\\."
227 mime-view-file-name-char-regexp "+"))
229 (defvar mime-view-file-name-regexp-2
230 (concat (regexp-* mime-view-file-name-char-regexp)
231 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
233 (defun mime-raw-get-original-filename (param &optional encoding)
234 (or (mime-raw-get-uu-filename param encoding)
236 (or (if (or (and (setq ret (mime/Content-Disposition))
237 (setq ret (assoc "filename" (cdr ret)))
239 (setq ret (assoc "name" param))
240 (setq ret (assoc "x-name" param))
242 (std11-strip-quoted-string (cdr ret))
245 (std11-find-field-body '("Content-Description"
247 (if (or (string-match mime-view-file-name-regexp-1 ret)
248 (string-match mime-view-file-name-regexp-2 ret))
249 (substring ret (match-beginning 0)(match-end 0))
254 (defun mime-raw-get-filename (param)
255 (replace-as-filename (mime-raw-get-original-filename param))
259 ;;; @ file extraction
262 (defun mime-method-to-save (beg end cal)
266 (narrow-to-region beg end)
267 (mime-raw-get-filename cal)
269 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
271 (if (and name (not (string-equal name "")))
272 (expand-file-name name
276 (interactive "DDirectory: ")
281 (interactive "FFilename: ")
282 (expand-file-name file))))))
284 (if (file-exists-p filename)
285 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
287 (re-search-forward "\n\n")
288 (mime-write-decoded-region (match-end 0) end filename encoding)
292 ;;; @ mail/news message
295 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
296 "Quitting method for mime-view.
297 It is registered to variable `mime-preview-quitting-method-alist'."
298 (let ((mother mime-mother-buffer)
299 (win-conf mime-preview-original-window-configuration)
301 (kill-buffer mime-raw-buffer)
302 (mime-preview-kill-buffer)
303 (set-window-configuration win-conf)
304 (pop-to-buffer mother)
307 (defun mime-method-to-display-message/rfc822 (beg end cal)
308 (let* ((cnum (mime-raw-point-to-entity-number beg))
309 (new-name (format "%s-%s" (buffer-name) cnum))
310 (mother mime-preview-buffer)
312 (cdr (or (assq major-mode mime-text-decoder-alist)
313 (assq t mime-text-decoder-alist))))
315 (setq str (buffer-substring beg end))
316 (switch-to-buffer new-name)
319 (goto-char (point-min))
320 (if (re-search-forward "^\n" nil t)
321 (delete-region (point-min) (match-end 0))
323 (setq major-mode 'mime-show-message-mode)
324 (setq mime-text-decoder text-decoder)
325 (mime-view-mode mother)
329 ;;; @ message/partial
332 (defun mime-raw-write-region (start end filename)
333 "Write current region into specified file.
334 When called from a program, takes three arguments:
335 START, END and FILENAME. START and END are buffer positions.
336 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
338 (let ((coding-system-for-write
340 (or (assq major-mode mime-raw-buffer-coding-system-alist)
341 (assq t mime-raw-buffer-coding-system-alist)
343 (write-region start end filename)
346 (defun mime-method-to-store-message/partial (beg end cal)
350 (concat "m-prts-" (user-login-name)) mime-temp-directory))
351 (id (cdr (assoc "id" cal)))
352 (number (cdr (assoc "number" cal)))
353 (total (cdr (assoc "total" cal)))
355 (mother mime-preview-buffer)
357 (or (file-exists-p root-dir)
358 (make-directory root-dir)
360 (setq id (replace-as-filename id))
361 (setq root-dir (concat root-dir "/" id))
362 (or (file-exists-p root-dir)
363 (make-directory root-dir)
365 (setq file (concat root-dir "/FULL"))
366 (if (file-exists-p file)
367 (let ((full-buf (get-buffer-create "FULL"))
368 (pwin (or (get-buffer-window mother)
369 (get-largest-window)))
371 (save-window-excursion
372 (set-buffer full-buf)
374 (as-binary-input-file (insert-file-contents file))
375 (setq major-mode 'mime-show-message-mode)
376 (mime-view-mode mother)
378 (set-window-buffer pwin
380 (set-buffer full-buf)
381 mime-preview-buffer))
384 (re-search-forward "^$")
385 (goto-char (1+ (match-end 0)))
386 (setq file (concat root-dir "/" number))
387 (mime-raw-write-region (point) end file)
388 (let ((total-file (concat root-dir "/CT")))
392 (or (file-exists-p total-file)
395 (get-buffer-create mime-temp-buffer-name))
398 (write-region (point-min)(point-max) total-file)
399 (kill-buffer (current-buffer))
401 (string-to-number total)
403 (and (file-exists-p total-file)
405 (set-buffer (find-file-noselect total-file))
407 (and (re-search-forward "[0-9]+" nil t)
409 (buffer-substring (match-beginning 0)
412 (kill-buffer (current-buffer))
415 (if (and total (> total 0))
418 (set-buffer (get-buffer-create mime-temp-buffer-name))
419 (let ((full-buf (current-buffer)))
423 (setq file (concat root-dir "/" (int-to-string i)))
424 (or (file-exists-p file)
427 (as-binary-input-file (insert-file-contents file))
428 (goto-char (point-max))
431 (as-binary-output-file
432 (write-region (point-min)(point-max)
433 (expand-file-name "FULL" root-dir)))
436 (let ((file (format "%s/%d" root-dir i)))
437 (and (file-exists-p file)
442 (let ((file (expand-file-name "CT" root-dir)))
443 (and (file-exists-p file)
446 (save-window-excursion
447 (setq major-mode 'mime-show-message-mode)
448 (mime-view-mode mother)
450 (let ((pwin (or (get-buffer-window mother)
453 (pbuf (save-excursion
454 (set-buffer full-buf)
455 mime-preview-buffer)))
456 (set-window-buffer pwin pbuf)
462 ;;; @ message/external-body
465 (defvar mime-raw-dired-function
466 (if mime/use-multi-frame
467 (function dired-other-frame)
468 (function mime-raw-dired-function-for-one-frame)
471 (defun mime-raw-dired-function-for-one-frame (dir)
472 (let ((win (or (get-buffer-window mime-preview-buffer)
473 (get-largest-window))))
478 (defun mime-method-to-display-message/external-ftp (beg end cal)
479 (let* ((site (cdr (assoc "site" cal)))
480 (directory (cdr (assoc "directory" cal)))
481 (name (cdr (assoc "name" cal)))
482 ;;(mode (cdr (assoc "mode" cal)))
483 (pathname (concat "/anonymous@" site ":" directory))
485 (message (concat "Accessing " (expand-file-name name pathname) "..."))
486 (funcall mime-raw-dired-function pathname)
487 (goto-char (point-min))
488 (search-forward name)
495 (defun mime-method-to-display-caesar (start end cal)
496 "Internal method for mime-view to display ROT13-47-48 message."
497 (let* ((cnum (mime-raw-point-to-entity-number start))
498 (new-name (format "%s-%s" (buffer-name) cnum))
499 (the-buf (current-buffer))
500 (mother mime-preview-buffer)
501 (charset (cdr (assoc "charset" cal)))
502 (encoding (cdr (assq 'encoding cal)))
505 (let ((pwin (or (get-buffer-window mother)
506 (get-largest-window)))
507 (buf (get-buffer-create new-name))
509 (set-window-buffer pwin buf)
513 (setq buffer-read-only nil)
515 (insert-buffer-substring the-buf start end)
516 (goto-char (point-min))
517 (if (re-search-forward "^\n" nil t)
518 (delete-region (point-min) (match-end 0))
520 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
521 (assq t mime-text-decoder-alist)))))
523 (funcall m charset encoding)
525 (mule-caesar-region (point-min) (point-max))
526 (set-buffer-modified-p nil)
528 (view-buffer new-name)
537 ;;; mime-play.el ends here