;;; mm-view.el --- Functions for viewing MIME objects
-;; Copyright (C) 1998 Free Software Foundation, Inc.
+;; Copyright (C) 1998,99 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
;;; Code:
+(eval-when-compile (require 'cl))
(require 'mail-parse)
(require 'mailcap)
(require 'mm-bodies)
+(require 'mm-decode)
+
+(eval-and-compile
+ (autoload 'gnus-article-prepare-display "gnus-art")
+ (autoload 'vcard-parse-string "vcard")
+ (autoload 'vcard-format-string "vcard")
+ (autoload 'diff-mode "diff-mode"))
;;;
;;; Functions for displaying various formats inline
;;;
(defun mm-inline-image (handle)
- (let ((type (cadr (split-string (car (mm-handle-type handle)) "/")))
- buffer-read-only image)
- (mm-with-unibyte-buffer
- (insert-buffer-substring (mm-handle-buffer handle))
- (mm-decode-content-transfer-encoding (mm-handle-encoding handle))
- (setq image (make-image-specifier
- (vector (intern type) :data (buffer-string)))))
- (let ((annot (make-annotation image nil 'text)))
- (set-extent-property annot 'mm t)
- (set-extent-property annot 'duplicable t)
- (mm-handle-set-undisplayer handle annot))
- (insert " ")))
+ (let ((b (point))
+ (annot (make-annotation (mm-get-image handle) nil 'text))
+ buffer-read-only)
+ (insert "\n")
+ (mm-handle-set-undisplayer
+ handle
+ `(lambda ()
+ (let (buffer-read-only)
+ (delete-annotation ,annot)
+ (delete-region ,(set-marker (make-marker) b)
+ ,(set-marker (make-marker) (point))))))
+ (set-extent-property annot 'mm t)
+ (set-extent-property annot 'duplicable t)))
+
+(defvar mm-w3-setup nil)
+(defun mm-setup-w3 ()
+ (unless mm-w3-setup
+ (require 'w3)
+ (w3-do-setup)
+ (require 'url)
+ (require 'w3-vars)
+ (require 'url-vars)
+ (setq mm-w3-setup t)))
(defun mm-inline-text (handle)
- (let ((type (cadr (split-string (car (mm-handle-type handle)) "/")))
+ (let ((type (mm-handle-media-subtype handle))
text buffer-read-only)
(cond
- ((equal type "plain")
- (with-temp-buffer
- (insert-buffer-substring (mm-handle-buffer handle))
- (mm-decode-content-transfer-encoding (mm-handle-encoding handle))
- (setq text (buffer-string)))
- (let ((b (point)))
- (insert text)
- (save-restriction
- (narrow-to-region b (point))
- (let ((charset (mail-content-type-get
- (mm-handle-type handle) 'charset)))
- (when charset
- (mm-decode-body charset nil)))
- (mm-handle-set-undisplayer
- handle
- `(lambda ()
- (let (buffer-read-only)
- (delete-region
- ,(set-marker (make-marker) (point-min))
- ,(set-marker (make-marker) (point-max)))))))))
((equal type "html")
- (save-window-excursion
+ (mm-setup-w3)
+ (setq text (mm-get-part handle))
+ (let ((b (point))
+ (url-standalone-mode t)
+ (url-current-object
+ (url-generic-parse-url (format "cid:%s" (mm-handle-id handle))))
+ (width (window-width))
+ (charset (mail-content-type-get
+ (mm-handle-type handle) 'charset)))
(save-excursion
- (w3-do-setup)
- (mm-with-unibyte-buffer
- (insert-buffer-substring (mm-handle-buffer handle))
- (mm-decode-content-transfer-encoding (mm-handle-encoding handle))
- (require 'url)
+ (insert text)
+ (save-restriction
+ (narrow-to-region b (point))
+ (goto-char (point-min))
+ (if (or (and (boundp 'w3-meta-content-type-charset-regexp)
+ (re-search-forward
+ w3-meta-content-type-charset-regexp nil t))
+ (and (boundp 'w3-meta-charset-content-type-regexp)
+ (re-search-forward
+ w3-meta-charset-content-type-regexp nil t)))
+ (setq charset (w3-coding-system-for-mime-charset
+ (buffer-substring-no-properties
+ (match-beginning 2)
+ (match-end 2)))))
+ (delete-region (point-min) (point-max))
+ (insert (mm-decode-string text charset))
(save-window-excursion
- (w3-region (point-min) (point-max))
- (setq text (buffer-string))))
- (let ((b (point)))
- (insert text)
+ (save-restriction
+ (let ((w3-strict-width width)
+ (url-standalone-mode t))
+ (condition-case var
+ (w3-region (point-min) (point-max))
+ (error)))))
(mm-handle-set-undisplayer
handle
`(lambda ()
(let (buffer-read-only)
- (delete-region ,(set-marker (make-marker) b)
- ,(set-marker (make-marker) (point))))))))))
- )))
+ (if (functionp 'remove-specifier)
+ (mapcar (lambda (prop)
+ (remove-specifier
+ (face-property 'default prop)
+ (current-buffer)))
+ '(background background-pixmap foreground)))
+ (delete-region ,(point-min-marker)
+ ,(point-max-marker)))))))))
+ ((or (equal type "enriched")
+ (equal type "richtext"))
+ (save-excursion
+ (mm-with-unibyte-buffer
+ (mm-insert-part handle)
+ (save-window-excursion
+ (enriched-decode (point-min) (point-max))
+ (setq text (buffer-string)))))
+ (mm-insert-inline handle text))
+ ((equal type "x-vcard")
+ (mm-insert-inline
+ handle
+ (concat "\n-- \n"
+ (vcard-format-string
+ (vcard-parse-string (mm-get-part handle)
+ 'vcard-standard-filter)))))
+ (t
+ (setq text (mm-get-part handle))
+ (let ((b (point))
+ (charset (mail-content-type-get
+ (mm-handle-type handle) 'charset)))
+ (insert (mm-decode-string text charset))
+ (save-restriction
+ (narrow-to-region b (point))
+ (set-text-properties (point-min) (point-max) nil)
+ (mm-handle-set-undisplayer
+ handle
+ `(lambda ()
+ (let (buffer-read-only)
+ (delete-region ,(point-min-marker)
+ ,(point-max-marker)))))))))))
+
+(defun mm-insert-inline (handle text)
+ "Insert TEXT inline from HANDLE."
+ (let ((b (point)))
+ (insert text)
+ (mm-handle-set-undisplayer
+ handle
+ `(lambda ()
+ (let (buffer-read-only)
+ (delete-region ,(set-marker (make-marker) b)
+ ,(set-marker (make-marker) (point))))))))
(defun mm-inline-audio (handle)
(message "Not implemented"))
(defun mm-w3-prepare-buffer ()
(require 'w3)
- (w3-prepare-buffer))
+ (let ((url-standalone-mode t))
+ (w3-prepare-buffer)))
+
+(defun mm-view-message ()
+ (mm-enable-multibyte)
+ (let (handles)
+ (let (gnus-article-mime-handles)
+ ;; Double decode problem may happen. See mm-inline-message.
+ (run-hooks 'gnus-article-decode-hook)
+ (gnus-article-prepare-display)
+ (setq handles gnus-article-mime-handles))
+ (when handles
+ (setq gnus-article-mime-handles
+ (nconc gnus-article-mime-handles
+ (if (listp (car handles))
+ handles (list handles))))))
+ (fundamental-mode)
+ (goto-char (point-min)))
+
+(defun mm-inline-message (handle)
+ (let ((b (point))
+ (charset (mail-content-type-get
+ (mm-handle-type handle) 'charset))
+ gnus-displaying-mime handles)
+ (when (and charset
+ (stringp charset))
+ (setq charset (intern (downcase charset)))
+ (when (eq charset 'us-ascii)
+ (setq charset nil)))
+ (save-excursion
+ (save-restriction
+ (narrow-to-region b b)
+ (mm-insert-part handle)
+ (let (gnus-article-mime-handles
+ (gnus-newsgroup-charset
+ (or charset gnus-newsgroup-charset)))
+ (run-hooks 'gnus-article-decode-hook)
+ (gnus-article-prepare-display)
+ (setq handles gnus-article-mime-handles))
+ (goto-char (point-max))
+ (unless (bolp)
+ (insert "\n"))
+ (insert "----------\n\n")
+ (when handles
+ (setq gnus-article-mime-handles
+ (nconc gnus-article-mime-handles
+ (if (listp (car handles))
+ handles (list handles)))))
+ (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)))))))))
+
+(defun mm-display-patch-inline (handle)
+ (let (text)
+ (with-temp-buffer
+ (mm-insert-part handle)
+ (diff-mode)
+ (font-lock-fontify-buffer)
+ (when (fboundp 'extent-list)
+ (map-extents (lambda (ext ignored)
+ (set-extent-property ext 'duplicable t)
+ nil)
+ nil nil nil nil nil 'text-prop))
+ (setq text (buffer-string)))
+ (mm-insert-inline handle text)))
(provide 'mm-view)