;;; mm-view.el --- functions for viewing MIME objects
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+;; 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
+;; For Emacs <22.2 and XEmacs.
+(eval-and-compile
+ (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
(eval-when-compile (require 'cl))
(require 'mail-parse)
(require 'mailcap)
(require 'mm-decode)
(require 'smime)
-(eval-and-compile
- (autoload 'gnus-article-prepare-display "gnus-art")
- (autoload 'vcard-parse-string "vcard")
- (autoload 'vcard-format-string "vcard")
- (autoload 'fill-flowed "flow-fill")
- (autoload 'html2text "html2text" nil t))
+(autoload 'gnus-completing-read "gnus-util")
+(autoload 'gnus-window-inside-pixel-edges "gnus-ems")
+(autoload 'gnus-article-prepare-display "gnus-art")
+(autoload 'vcard-parse-string "vcard")
+(autoload 'vcard-format-string "vcard")
+(autoload 'fill-flowed "flow-fill")
+(autoload 'html2text "html2text" nil t)
(defvar gnus-article-mime-handles)
(defvar gnus-newsgroup-charset)
(defvar w3m-minor-mode-map)
(defvar mm-text-html-renderer-alist
- '((w3 . mm-inline-text-html-render-with-w3)
+ '((shr . mm-shr)
+ (w3 . mm-inline-text-html-render-with-w3)
(w3m . mm-inline-text-html-render-with-w3m)
(w3m-standalone . mm-inline-text-html-render-with-w3m-standalone)
+ (gnus-w3m . gnus-article-html)
(links mm-inline-render-with-file
mm-links-remove-leading-blank
"links" "-dump" file)
- (lynx mm-inline-render-with-stdin nil
- "lynx" "-dump" "-force_html" "-stdin" "-nolist")
- (html2text mm-inline-render-with-function html2text))
+ (lynx mm-inline-render-with-stdin nil
+ "lynx" "-dump" "-force_html" "-stdin" "-nolist")
+ (html2text mm-inline-render-with-function html2text))
"The attributes of renderer types for text/html.")
-(defvar mm-text-html-washer-alist
- '((w3 . gnus-article-wash-html-with-w3)
- (w3m . gnus-article-wash-html-with-w3m)
- (w3m-standalone . gnus-article-wash-html-with-w3m-standalone)
- (links mm-inline-wash-with-file
- mm-links-remove-leading-blank
- "links" "-dump" file)
- (lynx mm-inline-wash-with-stdin nil
- "lynx" "-dump" "-force_html" "-stdin" "-nolist")
- (html2text html2text))
- "The attributes of washer types for text/html.")
-
(defcustom mm-fill-flowed t
"If non-nil a format=flowed article will be displayed flowed."
:type 'boolean
:version "22.1"
:group 'mime-display)
+(defcustom mm-inline-large-images-proportion 0.9
+ "Maximum proportion of large image resized when
+`mm-inline-large-images' is set to resize."
+ :type 'float
+ :version "24.1"
+ :group 'mime-display)
+
;;; Internal variables.
;;;
;;; Functions for displaying various formats inline
;;;
+(autoload 'gnus-rescale-image "gnus-util")
+
(defun mm-inline-image-emacs (handle)
(let ((b (point-marker))
- buffer-read-only)
- (put-image (mm-get-image handle) b)
+ (inhibit-read-only t))
+ (put-image
+ (let ((image (mm-get-image handle)))
+ (if (eq mm-inline-large-images 'resize)
+ (gnus-rescale-image image
+ (let ((edges (gnus-window-inside-pixel-edges
+ (get-buffer-window (current-buffer)))))
+ (cons (truncate (* mm-inline-large-images-proportion
+ (- (nth 2 edges) (nth 0 edges))))
+ (truncate (* mm-inline-large-images-proportion
+ (- (nth 3 edges) (nth 1 edges)))))))
+ image))
+ b)
(insert "\n\n")
(mm-handle-set-undisplayer
handle
`(lambda ()
(let ((b ,b)
- buffer-read-only)
+ (inhibit-read-only t))
(remove-images b b)
(delete-region b (+ b 2)))))))
(defun mm-inline-image-xemacs (handle)
- (insert "\n\n")
- (forward-char -2)
- (let ((annot (make-annotation (mm-get-image handle) nil 'text))
- buffer-read-only)
- (mm-handle-set-undisplayer
- handle
- `(lambda ()
- (let ((b ,(point-marker))
- buffer-read-only)
- (delete-annotation ,annot)
- (delete-region (- b 2) b))))
- (set-extent-property annot 'mm t)
- (set-extent-property annot 'duplicable t)))
+ (when (featurep 'xemacs)
+ (insert "\n\n")
+ (forward-char -2)
+ (let ((annot (make-annotation (mm-get-image handle) nil 'text))
+ (inhibit-read-only t))
+ (mm-handle-set-undisplayer
+ handle
+ `(lambda ()
+ (let ((b ,(point-marker))
+ (inhibit-read-only t))
+ (delete-annotation ,annot)
+ (delete-region (- b 2) b))))
+ (set-extent-property annot 'mm t)
+ (set-extent-property annot 'duplicable t))))
(eval-and-compile
(if (featurep 'xemacs)
(defalias 'mm-inline-image 'mm-inline-image-xemacs)
(defalias 'mm-inline-image 'mm-inline-image-emacs)))
+;; External.
+(declare-function w3-do-setup "ext:w3" ())
+(declare-function w3-region "ext:w3-display" (st nd))
+(declare-function w3-prepare-buffer "ext:w3-display" (&rest args))
+
(defvar mm-w3-setup nil)
(defun mm-setup-w3 ()
(unless mm-w3-setup
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
+ (let ((inhibit-read-only t))
,@(if (functionp 'remove-specifier)
- '((mapcar (lambda (prop)
- (remove-specifier
- (face-property 'default prop)
- (current-buffer)))
- '(background background-pixmap foreground))))
+ '((dolist (prop '(background background-pixmap foreground))
+ (remove-specifier
+ (face-property 'default prop)
+ (current-buffer)))))
(delete-region ,(point-min-marker)
,(point-max-marker)))))))))
(defvar mm-w3m-setup nil
"Whether gnus-article-mode has been setup to use emacs-w3m.")
+;; External.
+(declare-function w3m-detect-meta-charset "ext:w3m" ())
+(declare-function w3m-region "ext:w3m" (start end &optional url charset))
+
(defun mm-setup-w3m ()
"Setup gnus-article-mode to use emacs-w3m."
(unless mm-w3m-setup
(let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
w3m-force-redisplay)
(w3m-region (point-min) (point-max) nil charset))
+ ;; Put the mark meaning this part was rendered by emacs-w3m.
+ (put-text-property (point-min) (point-max)
+ 'mm-inline-text-html-with-w3m t)
(when (and mm-inline-text-html-with-w3m-keymap
(boundp 'w3m-minor-mode-map)
w3m-minor-mode-map)
- (add-text-properties
- (point-min) (point-max)
- (list 'keymap w3m-minor-mode-map
- ;; Put the mark meaning this part was rendered by emacs-w3m.
- 'mm-inline-text-html-with-w3m t)))
+ (if (and (boundp 'w3m-link-map)
+ w3m-link-map)
+ (let* ((start (point-min))
+ (end (point-max))
+ (on (get-text-property start 'w3m-href-anchor))
+ (map (copy-keymap w3m-link-map))
+ next)
+ (set-keymap-parent map w3m-minor-mode-map)
+ (while (< start end)
+ (if on
+ (progn
+ (setq next (or (text-property-any start end
+ 'w3m-href-anchor nil)
+ end))
+ (put-text-property start next 'keymap map))
+ (setq next (or (text-property-not-all start end
+ 'w3m-href-anchor nil)
+ end))
+ (put-text-property start next 'keymap w3m-minor-mode-map))
+ (setq start next
+ on (not on))))
+ (put-text-property (point-min) (point-max)
+ 'keymap w3m-minor-mode-map)))
(mm-handle-set-undisplayer
handle
`(lambda ()
(let ((coding-system-for-write 'iso-2022-jp)
(coding-system-for-read 'iso-2022-jp)
(str (mm-decode-coding-string "\
-\e$B#D#o#e#s!!#w#3#m!!#s#u#p#p#o#r#t#s!!#m#1#7#n!)\e(B" 'iso-2022-jp)))
+\e$B#D#o#e#s!!#w#3#m!!#s#u#p#p#o#r#t!!#m#1#7#n!)\e(B" 'iso-2022-jp)))
(mm-with-multibyte-buffer
(insert str)
(call-process-region
(buffer-string)))))
(defun mm-inline-text-html (handle)
- (let* ((func (or mm-inline-text-html-renderer mm-text-html-renderer))
+ (let* ((func mm-text-html-renderer)
(entry (assq func mm-text-html-renderer-alist))
- buffer-read-only)
+ (inhibit-read-only t))
(if entry
(setq func (cdr entry)))
(cond
(apply (car func) handle (cdr func))))))
(defun mm-inline-text-vcard (handle)
- (let (buffer-read-only)
+ (let ((inhibit-read-only t))
(mm-insert-inline
handle
(concat "\n-- \n"
(type (mm-handle-media-subtype handle))
(charset (mail-content-type-get
(mm-handle-type handle) 'charset))
- buffer-read-only)
+ (inhibit-read-only t))
(if (or (eq charset 'gnus-decoded)
;; This is probably not entirely correct, but
;; makes rfc822 parts with embedded multiparts work.
(goto-char (point-max))))
(save-restriction
(narrow-to-region b (point))
- (when (or (equal type "enriched")
- (equal type "richtext"))
- (set-text-properties (point-min) (point-max) nil)
+ (when (member type '("enriched" "richtext"))
+ (set-text-properties (point-min) (point-max) nil)
(ignore-errors
(enriched-decode (point-min) (point-max))))
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
+ (let ((inhibit-read-only t))
(delete-region ,(point-min-marker)
,(point-max-marker))))))))
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
- (delete-region ,(set-marker (make-marker) b)
- ,(set-marker (make-marker) (point))))))))
+ (let ((inhibit-read-only t))
+ (delete-region ,(copy-marker b)
+ ,(copy-marker (point))))))))
(defun mm-inline-audio (handle)
(message "Not implemented"))
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
+ (let ((inhibit-read-only t))
(if (fboundp 'remove-specifier)
;; This is only valid on XEmacs.
- (mapcar (lambda (prop)
- (remove-specifier
- (face-property 'default prop) (current-buffer)))
- '(background background-pixmap foreground)))
+ (dolist (prop '(background background-pixmap foreground))
+ (remove-specifier
+ (face-property 'default prop) (current-buffer))))
(delete-region ,(point-min-marker) ,(point-max-marker)))))))))
(defun mm-display-inline-fontify (handle mode)
;; By default, XEmacs font-lock uses non-duplicable text
;; properties. This code forces all the text properties
;; to be copied along with the text.
- (when (fboundp 'extent-list)
+ (when (featurep 'xemacs)
(map-extents (lambda (ext ignored)
(set-extent-property ext 'duplicable t)
nil)
;; id-signedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 2 }
(defvar mm-pkcs7-signed-magic
- (mm-string-as-unibyte
- (mapconcat 'char-to-string
- (list ?\x30 ?\x5c ?\x28 ?\x80 ?\x5c ?\x7c ?\x81 ?\x2e ?\x5c
- ?\x7c ?\x82 ?\x2e ?\x2e ?\x5c ?\x7c ?\x83 ?\x2e ?\x2e
- ?\x2e ?\x5c ?\x29 ?\x06 ?\x09 ?\x5c ?\x2a ?\x86 ?\x48
- ?\x86 ?\xf7 ?\x0d ?\x01 ?\x07 ?\x02) "")))
+ "\x30\x5c\x28\x80\x5c\x7c\x81\x2e\x5c\x7c\x82\x2e\x2e\x5c\x7c\x83\x2e\x2e\
+\x2e\x5c\x29\x06\x09\x5c\x2a\x86\x48\x86\xf7\x0d\x01\x07\x02")
;; id-envelopedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 3 }
(defvar mm-pkcs7-enveloped-magic
- (mm-string-as-unibyte
- (mapconcat 'char-to-string
- (list ?\x30 ?\x5c ?\x28 ?\x80 ?\x5c ?\x7c ?\x81 ?\x2e ?\x5c
- ?\x7c ?\x82 ?\x2e ?\x2e ?\x5c ?\x7c ?\x83 ?\x2e ?\x2e
- ?\x2e ?\x5c ?\x29 ?\x06 ?\x09 ?\x5c ?\x2a ?\x86 ?\x48
- ?\x86 ?\xf7 ?\x0d ?\x01 ?\x07 ?\x03) "")))
+ "\x30\x5c\x28\x80\x5c\x7c\x81\x2e\x5c\x7c\x82\x2e\x2e\x5c\x7c\x83\x2e\x2e\
+\x2e\x5c\x29\x06\x09\x5c\x2a\x86\x48\x86\xf7\x0d\x01\x07\x03")
(defun mm-view-pkcs7-get-type (handle)
(mm-with-unibyte-buffer
(t
(error "Could not identify PKCS#7 type")))))
-(defun mm-view-pkcs7 (handle)
+(defun mm-view-pkcs7 (handle &optional from)
(case (mm-view-pkcs7-get-type handle)
- (enveloped (mm-view-pkcs7-decrypt handle))
+ (enveloped (mm-view-pkcs7-decrypt handle from))
(signed (mm-view-pkcs7-verify handle))
(otherwise (error "Unknown or unimplemented PKCS#7 type"))))
(replace-match "\n"))
t)
-(defun mm-view-pkcs7-decrypt (handle)
+(defun mm-view-pkcs7-decrypt (handle &optional from)
(insert-buffer-substring (mm-handle-buffer handle))
(goto-char (point-min))
(insert "MIME-Version: 1.0\n")
(if (= (length smime-keys) 1)
(cadar smime-keys)
(smime-get-key-by-email
- (completing-read
- (concat "Decipher using key"
- (if smime-keys (concat "(default " (caar smime-keys) "): ")
- ": "))
- smime-keys nil nil nil nil (car-safe (car-safe smime-keys))))))
+ (gnus-completing-read
+ "Decipher using key"
+ smime-keys nil nil nil (car-safe (car-safe smime-keys)))))
+ from)
(goto-char (point-min))
(while (search-forward "\r\n" nil t)
(replace-match "\n"))
(provide 'mm-view)
-;;; arch-tag: b60e749a-d05c-47f2-bccd-bdaa59327cb2
;;; mm-view.el ends here