;;; mm-extern.el --- showing message/external-body
-;; Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
+
+;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
;; Keywords: message external-body
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(require 'mm-decode)
(require 'mm-url)
+(defvar gnus-article-mime-handles)
+
(defvar mm-extern-function-alist
'((local-file . mm-extern-local-file)
(url . mm-extern-url)
(mm-disable-multibyte)
(if (file-exists-p name)
(mm-insert-file-contents name nil nil nil nil t)
- (error (format "File %s is gone" name)))))
+ (error "File %s is gone" name))))
(defun mm-extern-url (handle)
(erase-buffer)
(insert "[" info "]\n\n")))
;;;###autoload
-(defun mm-inline-external-body (handle &optional no-display)
- "Show the external-body part of HANDLE.
-This function replaces the buffer of HANDLE with a buffer contains
-the entire message.
-If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing."
+(defun mm-extern-cache-contents (handle)
+ "Put the external-body part of HANDLE into its cache."
(let* ((access-type (cdr (assq 'access-type
(cdr (mm-handle-type handle)))))
(func (cdr (assq (intern
(or access-type
(error "Couldn't find access type"))))
mm-extern-function-alist)))
- gnus-displaying-mime buf
- handles)
- (unless (mm-handle-cache handle)
- (unless func
- (error (format "Access type (%s) is not supported" access-type)))
- (with-temp-buffer
- (mm-insert-part handle)
- (goto-char (point-max))
- (insert "\n\n")
- (setq handles (mm-dissect-buffer t)))
- (unless (bufferp (car handles))
- (mm-destroy-parts handles)
- (error "Multipart external body is not supported"))
- (save-excursion ;; single part
- (set-buffer (setq buf (mm-handle-buffer handles)))
- (let (good)
- (unwind-protect
- (progn
- (funcall func handle)
- (setq good t))
- (unless good
- (mm-destroy-parts handles))))
- (mm-handle-set-cache handle handles))
- (setq gnus-article-mime-handles
- (mm-merge-handles gnus-article-mime-handles handles)))
- (unless no-display
- (save-excursion
- (save-restriction
- (narrow-to-region (point) (point))
- (gnus-display-mime (mm-handle-cache handle))
- (mm-handle-set-undisplayer
- handle
- `(lambda ()
- (let (buffer-read-only)
- (condition-case nil
- ;; This is only valid on XEmacs.
- (mapcar (lambda (prop)
- (remove-specifier
- (face-property 'default prop) (current-buffer)))
- '(background background-pixmap foreground))
- (error nil))
- (delete-region ,(point-min-marker) ,(point-max-marker))))))))))
+ buf handles)
+ (unless func
+ (error "Access type (%s) is not supported" access-type))
+ (mm-with-part handle
+ (goto-char (point-max))
+ (insert "\n\n")
+ ;; It should be just a single MIME handle.
+ (setq handles (mm-dissect-buffer t)))
+ (unless (bufferp (car handles))
+ (mm-destroy-parts handles)
+ (error "Multipart external body is not supported"))
+ (save-excursion
+ (set-buffer (setq buf (mm-handle-buffer handles)))
+ (let (good)
+ (unwind-protect
+ (progn
+ (funcall func handle)
+ (setq good t))
+ (unless good
+ (mm-destroy-parts handles))))
+ (mm-handle-set-cache handle handles))
+ (setq gnus-article-mime-handles
+ (mm-merge-handles gnus-article-mime-handles handles))))
+
+;;;###autoload
+(defun mm-inline-external-body (handle &optional no-display)
+ "Show the external-body part of HANDLE.
+This function replaces the buffer of HANDLE with a buffer contains
+the entire message.
+If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing."
+ (unless (mm-handle-cache handle)
+ (mm-extern-cache-contents handle))
+ (unless no-display
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (let* ((type (regexp-quote
+ (mm-handle-media-type (mm-handle-cache handle))))
+ ;; Force the part to be displayed (but if there is no
+ ;; method to display, a user will be prompted to save).
+ ;; See `gnus-mime-display-single'.
+ (mm-inline-override-types nil)
+ (mm-attachment-override-types
+ (cons type mm-attachment-override-types))
+ (mm-automatic-display (cons type mm-automatic-display))
+ (mm-automatic-external-display
+ (cons type mm-automatic-external-display))
+ ;; Suppress adding of button to the cached part.
+ (gnus-inhibit-mime-unbuttonizing nil))
+ (gnus-display-mime (mm-handle-cache handle)))
+ ;; Move undisplayer added to the cached handle to the parent.
+ (mm-handle-set-undisplayer
+ handle
+ (mm-handle-undisplayer (mm-handle-cache handle)))
+ (mm-handle-set-undisplayer (mm-handle-cache handle) nil)))))
(provide 'mm-extern)
projects / elisp / gnus.git- / blobdiff