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 (ctree-match-calist mime-acting-condition al))
117 ;;; @ external decoder
120 (defun mime-activate-external-method (beg end cal)
123 (narrow-to-region beg end)
125 (let ((method (cdr (assoc 'method cal)))
126 (name (mime-raw-get-filename cal))
129 (let ((file (make-temp-name
130 (expand-file-name "TM" mime-temp-directory)))
135 (if (re-search-forward "^$" nil t)
141 (write-region b end file)
142 (message "External method is starting...")
144 'name (replace-as-filename name) cal))
145 (setq cal (put-alist 'file file cal))
148 mime-echo-buffer-name (car method)
150 (mime-make-external-method-args
151 cal (cdr (cdr method)))
153 (apply (function start-process) args)
154 (mime-show-echo-buffer)
158 (defun mime-make-external-method-args (cal format)
163 (let* ((item (eval arg))
164 (ret (cdr (assoc item cal)))
168 (if (eq item 'encoding)
175 (defvar mime-echo-window-is-shared-with-bbdb t
176 "*If non-nil, mime-echo window is shared with BBDB window.")
178 (defvar mime-echo-window-height
181 (/ (window-height) 5)
183 "*Size of mime-echo window.
184 It allows function or integer. If it is function,
185 `mime-show-echo-buffer' calls it to get height of mime-echo window.
186 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
189 (defun mime-show-echo-buffer (&rest forms)
190 "Show mime-echo buffer to display MIME-playing information."
191 (get-buffer-create mime-echo-buffer-name)
192 (let ((the-win (selected-window))
193 (win (get-buffer-window mime-echo-buffer-name))
196 (if (and mime-echo-window-is-shared-with-bbdb
197 (boundp 'bbdb-buffer-name)
198 (setq win (get-buffer-window bbdb-buffer-name))
200 (set-window-buffer win mime-echo-buffer-name)
201 (select-window (get-buffer-window mime-preview-buffer))
202 (setq win (split-window-vertically
204 (if (functionp mime-echo-window-height)
205 (funcall mime-echo-window-height)
206 mime-echo-window-height)
208 (set-window-buffer win mime-echo-buffer-name)
211 (goto-char (point-max))
213 (insert (apply (function format) forms))
215 (select-window the-win)
222 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
224 (defvar mime-view-file-name-regexp-1
225 (concat mime-view-file-name-char-regexp "+\\."
226 mime-view-file-name-char-regexp "+"))
228 (defvar mime-view-file-name-regexp-2
229 (concat (regexp-* mime-view-file-name-char-regexp)
230 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
232 (defun mime-raw-get-original-filename (param &optional encoding)
233 (or (mime-raw-get-uu-filename param encoding)
235 (or (if (or (and (setq ret (mime/Content-Disposition))
236 (setq ret (assoc "filename" (cdr ret)))
238 (setq ret (assoc "name" param))
239 (setq ret (assoc "x-name" param))
241 (std11-strip-quoted-string (cdr ret))
244 (std11-find-field-body '("Content-Description"
246 (if (or (string-match mime-view-file-name-regexp-1 ret)
247 (string-match mime-view-file-name-regexp-2 ret))
248 (substring ret (match-beginning 0)(match-end 0))
253 (defun mime-raw-get-filename (param)
254 (replace-as-filename (mime-raw-get-original-filename param))
258 ;;; @ file extraction
261 (defun mime-method-to-save (beg end cal)
265 (narrow-to-region beg end)
266 (mime-raw-get-filename cal)
268 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
270 (if (and name (not (string-equal name "")))
271 (expand-file-name name
275 (interactive "DDirectory: ")
280 (interactive "FFilename: ")
281 (expand-file-name file))))))
283 (if (file-exists-p filename)
284 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
286 (re-search-forward "\n\n")
287 (mime-write-decoded-region (match-end 0) end filename encoding)
291 ;;; @ mail/news message
294 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
295 "Quitting method for mime-view.
296 It is registered to variable `mime-preview-quitting-method-alist'."
297 (let ((mother mime-mother-buffer)
298 (win-conf mime-preview-original-window-configuration)
300 (kill-buffer mime-raw-buffer)
301 (mime-preview-kill-buffer)
302 (set-window-configuration win-conf)
303 (pop-to-buffer mother)
306 (defun mime-method-to-display-message/rfc822 (beg end cal)
307 (let* ((cnum (mime-raw-point-to-entity-number beg))
308 (new-name (format "%s-%s" (buffer-name) cnum))
309 (mother mime-preview-buffer)
311 (cdr (or (assq major-mode mime-text-decoder-alist)
312 (assq t mime-text-decoder-alist))))
314 (setq str (buffer-substring beg end))
315 (switch-to-buffer new-name)
318 (goto-char (point-min))
319 (if (re-search-forward "^\n" nil t)
320 (delete-region (point-min) (match-end 0))
322 (setq major-mode 'mime-show-message-mode)
323 (setq mime-text-decoder text-decoder)
324 (mime-view-mode mother)
328 ;;; @ message/partial
331 (defun mime-raw-write-region (start end filename)
332 "Write current region into specified file.
333 When called from a program, takes three arguments:
334 START, END and FILENAME. START and END are buffer positions.
335 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
337 (let ((coding-system-for-write
339 (or (assq major-mode mime-raw-buffer-coding-system-alist)
340 (assq t mime-raw-buffer-coding-system-alist)
342 (write-region start end filename)
345 (defun mime-method-to-store-message/partial (beg end cal)
349 (concat "m-prts-" (user-login-name)) mime-temp-directory))
350 (id (cdr (assoc "id" cal)))
351 (number (cdr (assoc "number" cal)))
352 (total (cdr (assoc "total" cal)))
354 (mother mime-preview-buffer)
356 (or (file-exists-p root-dir)
357 (make-directory root-dir)
359 (setq id (replace-as-filename id))
360 (setq root-dir (concat root-dir "/" id))
361 (or (file-exists-p root-dir)
362 (make-directory root-dir)
364 (setq file (concat root-dir "/FULL"))
365 (if (file-exists-p file)
366 (let ((full-buf (get-buffer-create "FULL"))
367 (pwin (or (get-buffer-window mother)
368 (get-largest-window)))
370 (save-window-excursion
371 (set-buffer full-buf)
373 (as-binary-input-file (insert-file-contents file))
374 (setq major-mode 'mime-show-message-mode)
375 (mime-view-mode mother)
377 (set-window-buffer pwin
379 (set-buffer full-buf)
380 mime-preview-buffer))
383 (re-search-forward "^$")
384 (goto-char (1+ (match-end 0)))
385 (setq file (concat root-dir "/" number))
386 (mime-raw-write-region (point) end file)
387 (let ((total-file (concat root-dir "/CT")))
391 (or (file-exists-p total-file)
394 (get-buffer-create mime-temp-buffer-name))
397 (write-region (point-min)(point-max) total-file)
398 (kill-buffer (current-buffer))
400 (string-to-number total)
402 (and (file-exists-p total-file)
404 (set-buffer (find-file-noselect total-file))
406 (and (re-search-forward "[0-9]+" nil t)
408 (buffer-substring (match-beginning 0)
411 (kill-buffer (current-buffer))
414 (if (and total (> total 0))
417 (set-buffer (get-buffer-create mime-temp-buffer-name))
418 (let ((full-buf (current-buffer)))
422 (setq file (concat root-dir "/" (int-to-string i)))
423 (or (file-exists-p file)
426 (as-binary-input-file (insert-file-contents file))
427 (goto-char (point-max))
430 (as-binary-output-file
431 (write-region (point-min)(point-max)
432 (expand-file-name "FULL" root-dir)))
435 (let ((file (format "%s/%d" root-dir i)))
436 (and (file-exists-p file)
441 (let ((file (expand-file-name "CT" root-dir)))
442 (and (file-exists-p file)
445 (save-window-excursion
446 (setq major-mode 'mime-show-message-mode)
447 (mime-view-mode mother)
449 (let ((pwin (or (get-buffer-window mother)
452 (pbuf (save-excursion
453 (set-buffer full-buf)
454 mime-preview-buffer)))
455 (set-window-buffer pwin pbuf)
461 ;;; @ message/external-body
464 (defvar mime-raw-dired-function
465 (if mime/use-multi-frame
466 (function dired-other-frame)
467 (function mime-raw-dired-function-for-one-frame)
470 (defun mime-raw-dired-function-for-one-frame (dir)
471 (let ((win (or (get-buffer-window mime-preview-buffer)
472 (get-largest-window))))
477 (defun mime-method-to-display-message/external-ftp (beg end cal)
478 (let* ((site (cdr (assoc "site" cal)))
479 (directory (cdr (assoc "directory" cal)))
480 (name (cdr (assoc "name" cal)))
481 ;;(mode (cdr (assoc "mode" cal)))
482 (pathname (concat "/anonymous@" site ":" directory))
484 (message (concat "Accessing " (expand-file-name name pathname) "..."))
485 (funcall mime-raw-dired-function pathname)
486 (goto-char (point-min))
487 (search-forward name)
494 (defun mime-method-to-display-caesar (start end cal)
495 "Internal method for mime-view to display ROT13-47-48 message."
496 (let* ((cnum (mime-raw-point-to-entity-number start))
497 (new-name (format "%s-%s" (buffer-name) cnum))
498 (the-buf (current-buffer))
499 (mother mime-preview-buffer)
500 (charset (cdr (assoc "charset" cal)))
501 (encoding (cdr (assq 'encoding cal)))
504 (let ((pwin (or (get-buffer-window mother)
505 (get-largest-window)))
506 (buf (get-buffer-create new-name))
508 (set-window-buffer pwin buf)
512 (setq buffer-read-only nil)
514 (insert-buffer-substring the-buf start end)
515 (goto-char (point-min))
516 (if (re-search-forward "^\n" nil t)
517 (delete-region (point-min) (match-end 0))
519 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
520 (assq t mime-text-decoder-alist)))))
522 (funcall m charset encoding)
524 (mule-caesar-region (point-min) (point-max))
525 (set-buffer-modified-p nil)
527 (view-buffer new-name)
536 ;;; mime-play.el ends here