X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fmm-view.el;h=27f772cffa1439066c6fbbbe2a2d86248c2e4fbe;hb=2ec37f63143ecc8adf5054974df68062c5498e75;hp=bfadd47200dc89a5e065814696b690fbd1f50f36;hpb=5193de49edd84a0e8d74e8289269b6055e14d6b1;p=gnus

diff --git a/lisp/mm-view.el b/lisp/mm-view.el
index bfadd4720..27f772cff 100644
--- a/lisp/mm-view.el
+++ b/lisp/mm-view.el
@@ -1,7 +1,6 @@
 ;;; mm-view.el --- functions for viewing MIME objects
 
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-;;   2007, 2008  Free Software Foundation, Inc.
+;; Copyright (C) 1998-2014 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; This file is part of GNU Emacs.
@@ -22,15 +21,17 @@
 ;;; Commentary:
 
 ;;; Code:
-(eval-and-compile
-  (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
+
 (eval-when-compile (require 'cl))
 (require 'mail-parse)
 (require 'mailcap)
 (require 'mm-bodies)
 (require 'mm-decode)
 (require 'smime)
+(require 'mml-smime)
 
+(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")
@@ -46,45 +47,55 @@
 (defvar w3m-minor-mode-map)
 
 (defvar mm-text-html-renderer-alist
-  '((w3  . mm-inline-text-html-render-with-w3)
+  '((shr . mm-shr)
     (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))
 	(inhibit-read-only t))
-    (put-image (mm-get-image handle) b)
+    (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
@@ -115,91 +126,6 @@
       (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
-    (require 'w3)
-    (w3-do-setup)
-    (require 'url)
-    (require 'w3-vars)
-    (require 'url-vars)
-    (setq mm-w3-setup t)))
-
-(defun mm-inline-text-html-render-with-w3 (handle)
-  (mm-setup-w3)
-  (let ((text (mm-get-part handle))
-	(b (point))
-	(url-standalone-mode t)
-	(url-gateway-unplugged t)
-	(w3-honor-stylesheets nil)
-	(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
-      (insert (if charset (mm-decode-string text charset) text))
-      (save-restriction
-	(narrow-to-region b (point))
-	(unless charset
-	  (goto-char (point-min))
-	  (when (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
-		  (let ((bsubstr (buffer-substring-no-properties
-				  (match-beginning 2)
-				  (match-end 2))))
-		    (if (fboundp 'w3-coding-system-for-mime-charset)
-			(w3-coding-system-for-mime-charset bsubstr)
-		      (mm-charset-to-coding-system bsubstr))))
-	    (delete-region (point-min) (point-max))
-	    (insert (mm-decode-string text charset))))
-	(save-window-excursion
-	  (save-restriction
-	    (let ((w3-strict-width width)
-		  ;; Don't let w3 set the global version of
-		  ;; this variable.
-		  (fill-column fill-column))
-	      (if (or debug-on-error debug-on-quit)
-		  (w3-region (point-min) (point-max))
-		(condition-case ()
-		    (w3-region (point-min) (point-max))
-		  (error
-		   (delete-region (point-min) (point-max))
-		   (let ((b (point))
-			 (charset (mail-content-type-get
-				   (mm-handle-type handle) 'charset)))
-		     (if (or (eq charset 'gnus-decoded)
-			     (eq mail-parse-charset 'gnus-decoded))
-		       (save-restriction
-			 (narrow-to-region (point) (point))
-			 (mm-insert-part handle)
-			 (goto-char (point-max)))
-		       (insert (mm-decode-string (mm-get-part handle)
-						 charset))))
-		   (message
-		    "Error while rendering html; showing as text/plain")))))))
-	(mm-handle-set-undisplayer
-	 handle
-	 `(lambda ()
-	    (let ((inhibit-read-only t))
-	      ,@(if (functionp 'remove-specifier)
-                    '((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.")
 
@@ -258,14 +184,35 @@
 	(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 ()
@@ -307,9 +254,10 @@
 						'charset)
 			 (symbol-name mail-parse-charset)))
 	    cs)
-	(unless (and charset
-		     (setq cs (mm-charset-to-coding-system charset))
-		     (not (eq cs 'ascii)))
+	(if (and charset
+		 (setq cs (mm-charset-to-coding-system charset nil t))
+		 (not (eq cs 'ascii)))
+	    (setq charset (format "%s" (mm-coding-system-to-mime-charset cs)))
 	  ;; The default.
 	  (setq charset "iso-8859-1"
 		cs 'iso-8859-1))
@@ -383,16 +331,18 @@
        (buffer-string)))))
 
 (defun mm-inline-text-html (handle)
-  (let* ((func (or mm-inline-text-html-renderer mm-text-html-renderer))
-	 (entry (assq func mm-text-html-renderer-alist))
-	 (inhibit-read-only t))
-    (if entry
-	(setq func (cdr entry)))
-    (cond
-     ((functionp func)
-      (funcall func handle))
-     (t
-      (apply (car func) handle (cdr func))))))
+  (if (stringp (car handle))
+      (mapcar 'mm-inline-text-html (cdr handle))
+    (let* ((func mm-text-html-renderer)
+	   (entry (assq func mm-text-html-renderer-alist))
+	   (inhibit-read-only t))
+      (if entry
+	  (setq func (cdr entry)))
+      (cond
+       ((functionp func)
+	(funcall func handle))
+       (t
+	(apply (car func) handle (cdr func)))))))
 
 (defun mm-inline-text-vcard (handle)
   (let ((inhibit-read-only t))
@@ -420,7 +370,7 @@
 	  (narrow-to-region (point) (point))
 	  (mm-insert-part handle)
 	  (goto-char (point-max)))
-      (insert (mm-decode-string (mm-get-part handle) charset)))
+      (mm-display-inline-fontify handle))
     (when (and mm-fill-flowed
 	       (equal type "plain")
 	       (equal (cdr (assoc 'format (mm-handle-type handle)))
@@ -460,16 +410,6 @@
 (defun mm-inline-audio (handle)
   (message "Not implemented"))
 
-(defun mm-view-sound-file ()
-  (message "Not implemented"))
-
-(defun mm-w3-prepare-buffer ()
-  (require 'w3)
-  (let ((url-standalone-mode t)
-	(url-gateway-unplugged t)
-	(w3-honor-stylesheets nil))
-    (w3-prepare-buffer)))
-
 (defun mm-view-message ()
   (mm-enable-multibyte)
   (let (handles)
@@ -530,15 +470,18 @@
 		     (face-property 'default prop) (current-buffer))))
 	      (delete-region ,(point-min-marker) ,(point-max-marker)))))))))
 
-(defun mm-display-inline-fontify (handle mode)
+;; Shut up byte-compiler.
+(defvar font-lock-mode-hook)
+(defun mm-display-inline-fontify (handle &optional mode)
+  "Insert HANDLE inline fontifying with MODE.
+If MODE is not set, try to find mode automatically."
   (let ((charset (mail-content-type-get (mm-handle-type handle) 'charset))
 	text coding-system)
     (unless (eq charset 'gnus-decoded)
       (mm-with-unibyte-buffer
 	(mm-insert-part handle)
 	(mm-decompress-buffer
-	 (or (mail-content-type-get (mm-handle-disposition handle) 'name)
-	     (mail-content-type-get (mm-handle-disposition handle) 'filename))
+         (mm-handle-filename handle)
 	 t t)
 	(unless charset
 	  (setq coding-system (mm-find-buffer-file-coding-system)))
@@ -560,16 +503,26 @@
 		    (t
 		     text)))
       (require 'font-lock)
-      (let ((font-lock-maximum-size nil)
-	    ;; Disable support modes, e.g., jit-lock, lazy-lock, etc.
-	    (font-lock-mode-hook nil)
-	    (font-lock-support-mode nil)
-	    ;; I find font-lock a bit too verbose.
-	    (font-lock-verbose nil))
-	(funcall mode)
-	;; The mode function might have already turned on font-lock.
-	(unless (symbol-value 'font-lock-mode)
-	  (font-lock-fontify-buffer)))
+      ;; I find font-lock a bit too verbose.
+      (let ((font-lock-verbose nil)
+	    (font-lock-support-mode nil))
+	;; Disable support modes, e.g., jit-lock, lazy-lock, etc.
+	;; Note: XEmacs people use `font-lock-mode-hook' to run those modes.
+	(set (make-local-variable 'font-lock-mode-hook) nil)
+        (setq buffer-file-name (mm-handle-filename handle))
+        (set (make-local-variable 'enable-local-variables) nil)
+	(with-demoted-errors
+	  (if mode
+	      (funcall mode)
+	    (let ((auto-mode-alist
+		   (delq (rassq 'doc-view-mode-maybe auto-mode-alist)
+			 (copy-sequence auto-mode-alist))))
+	      (set-auto-mode)))
+	  ;; The mode function might have already turned on font-lock.
+	  ;; Do not fontify if the guess mode is fundamental.
+	  (unless (or (symbol-value 'font-lock-mode)
+		      (eq major-mode 'fundamental-mode))
+	    (font-lock-fontify-buffer))))
       ;; By default, XEmacs font-lock uses non-duplicable text
       ;; properties.  This code forces all the text properties
       ;; to be copied along with the text.
@@ -579,6 +532,9 @@
 		       nil)
 		     nil nil nil nil nil 'text-prop))
       (setq text (buffer-string))
+      ;; Set buffer unmodified to avoid confirmation when killing the
+      ;; buffer.
+      (set-buffer-modified-p nil)
       (kill-buffer (current-buffer)))
     (mm-insert-inline handle text)))
 
@@ -596,23 +552,41 @@
 (defun mm-display-dns-inline (handle)
   (mm-display-inline-fontify handle 'dns-mode))
 
+(defun mm-display-org-inline (handle)
+  "Show an Org mode text from HANDLE inline."
+  (mm-display-inline-fontify handle 'org-mode))
+
+(defun mm-display-shell-script-inline (handle)
+  "Show a shell script from HANDLE inline."
+  (mm-display-inline-fontify handle 'shell-script-mode))
+
+(defun mm-display-javascript-inline (handle)
+  "Show JavsScript code from HANDLE inline."
+  (mm-display-inline-fontify handle 'javascript-mode))
+
 ;;      id-signedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
 ;;          us(840) rsadsi(113549) pkcs(1) pkcs7(7) 2 }
 (defvar mm-pkcs7-signed-magic
-  (funcall (if (fboundp 'unibyte-string) 'unibyte-string 'string)
-   ?\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))
+  (concat
+    "0"
+    "\\(\\(\x80\\)"
+    "\\|\\(\x81\\(.\\|\n\\)\\{1\\}\\)"
+    "\\|\\(\x82\\(.\\|\n\\)\\{2\\}\\)"
+    "\\|\\(\x83\\(.\\|\n\\)\\{3\\}\\)"
+    "\\)"
+    "\x06\x09\\*\x86H\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
-  (funcall (if (fboundp 'unibyte-string) 'unibyte-string 'string)
-   ?\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))
+  (concat
+    "0"
+    "\\(\\(\x80\\)"
+    "\\|\\(\x81\\(.\\|\n\\)\\{1\\}\\)"
+    "\\|\\(\x82\\(.\\|\n\\)\\{2\\}\\)"
+    "\\|\\(\x83\\(.\\|\n\\)\\{3\\}\\)"
+    "\\)"
+    "\x06\x09\\*\x86H\x86\xf7\x0d\x01\x07\x03"))
 
 (defun mm-view-pkcs7-get-type (handle)
   (mm-with-unibyte-buffer
@@ -624,9 +598,9 @@
 	  (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"))))
 
@@ -651,21 +625,26 @@
     (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")
-  (mm-insert-headers "application/pkcs7-mime" "base64" "smime.p7m")
-  (smime-decrypt-region
-   (point-min) (point-max)
-   (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))))))
+  (if (eq mml-smime-use 'epg)
+      ;; Use EPG/gpgsm
+      (let ((part (base64-decode-string (buffer-string))))
+	(erase-buffer)
+	(insert (epg-decrypt-string (epg-make-context 'CMS) part)))
+    ;; Use openssl
+    (insert "MIME-Version: 1.0\n")
+    (mm-insert-headers "application/pkcs7-mime" "base64" "smime.p7m")
+    (smime-decrypt-region
+     (point-min) (point-max)
+     (if (= (length smime-keys) 1)
+	 (cadar smime-keys)
+       (smime-get-key-by-email
+	(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"))
@@ -673,5 +652,4 @@
 
 (provide 'mm-view)
 
-;; arch-tag: b60e749a-d05c-47f2-bccd-bdaa59327cb2
 ;;; mm-view.el ends here