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-rw-r--r--lisp/gnus/mm-decode.el88
1 files changed, 61 insertions, 27 deletions
diff --git a/lisp/gnus/mm-decode.el b/lisp/gnus/mm-decode.el
index 9d0bbdfeb63..5b55af4d756 100644
--- a/lisp/gnus/mm-decode.el
+++ b/lisp/gnus/mm-decode.el
@@ -283,7 +283,7 @@ before the external MIME handler is invoked."
"List of media types that are to be displayed inline.
See also `mm-inline-media-tests', which says how to display a media
type inline."
- :type '(repeat string)
+ :type '(repeat regexp)
:group 'mime-display)
(defcustom mm-keep-viewer-alive-types
@@ -292,7 +292,7 @@ type inline."
"List of media types for which the external viewer will not be killed
when selecting a different article."
:version "22.1"
- :type '(repeat string)
+ :type '(repeat regexp)
:group 'mime-display)
(defcustom mm-automatic-display
@@ -304,7 +304,7 @@ when selecting a different article."
"application/pkcs7-signature" "application/x-pkcs7-mime"
"application/pkcs7-mime")
"A list of MIME types to be displayed automatically."
- :type '(repeat string)
+ :type '(repeat regexp)
:group 'mime-display)
(defcustom mm-attachment-override-types '("text/x-vcard"
@@ -313,17 +313,17 @@ when selecting a different article."
"application/pkcs7-signature"
"application/x-pkcs7-signature")
"Types to have \"attachment\" ignored if they can be displayed inline."
- :type '(repeat string)
+ :type '(repeat regexp)
:group 'mime-display)
(defcustom mm-inline-override-types nil
"Types to be treated as attachments even if they can be displayed inline."
- :type '(repeat string)
+ :type '(repeat regexp)
:group 'mime-display)
(defcustom mm-automatic-external-display nil
"List of MIME type regexps that will be displayed externally automatically."
- :type '(repeat string)
+ :type '(repeat regexp)
:group 'mime-display)
(defcustom mm-discouraged-alternatives nil
@@ -335,8 +335,13 @@ for instance, text/html parts are very unwanted, and text/richtext are
somewhat unwanted, then the value of this variable should be set
to:
- (\"text/html\" \"text/richtext\")"
- :type '(repeat string)
+ (\"text/html\" \"text/richtext\")
+
+Adding \"image/.*\" might also be useful. Spammers use it as the
+prefered part of multipart/alternative messages. See also
+`gnus-buttonized-mime-types', to which adding \"multipart/alternative\"
+enables you to choose manually one of two types those mails include."
+ :type '(repeat regexp) ;; See `mm-preferred-alternative-precedence'.
:group 'mime-display)
(defcustom mm-tmp-directory
@@ -761,7 +766,19 @@ external if displayed external."
(gnus-map-function mm-file-name-rewrite-functions
(file-name-nondirectory filename))
dir))
- (setq file (mm-make-temp-file (expand-file-name "mm." dir))))
+ (setq file (mm-make-temp-file (expand-file-name "mm." dir)))
+ (let ((newname
+ ;; Use nametemplate (defined in RFC1524) if it is
+ ;; specified in mailcap.
+ (if (assoc "nametemplate" mime-info)
+ (format (cdr (assoc "nametemplate" mime-info)) file)
+ ;; Add a suffix according to `mailcap-mime-extensions'.
+ (concat file (car (rassoc (mm-handle-media-type handle)
+ mailcap-mime-extensions))))))
+ (unless (string-equal file newname)
+ (when (file-exists-p file)
+ (rename-file file newname))
+ (setq file newname))))
(let ((coding-system-for-write mm-binary-coding-system))
(write-region (point-min) (point-max) file nil 'nomesg))
(message "Viewing with %s" method)
@@ -819,6 +836,9 @@ external if displayed external."
(ignore-errors (kill-buffer buffer))))))
'inline)
(t
+ ;; Deleting the temp file should be postponed for some wrappers,
+ ;; shell scripts, and so on, which might exit right after having
+ ;; started a viewer command as a background job.
(let ((command (mm-mailcap-command
method file (mm-handle-type handle))))
(unwind-protect
@@ -830,24 +850,38 @@ external if displayed external."
shell-command-switch command)
(set-process-sentinel
(get-buffer-process buffer)
- `(lambda (process state)
- (when (eq 'exit (process-status process))
- ;; Don't use `ignore-errors'.
- (condition-case nil
- (delete-file ,file)
- (error))
- (condition-case nil
- (delete-directory ,(file-name-directory file))
- (error))
- (condition-case nil
- (kill-buffer ,buffer)
- (error))
- (condition-case nil
- ,(macroexpand (list 'mm-handle-set-undisplayer
- (list 'quote handle)
- nil))
- (error))
- (message "Displaying %s...done" ,command)))))
+ (lexical-let ;; Don't use `let'.
+ ;; Function used to remove temp file and directory.
+ ((fn `(lambda nil
+ ;; Don't use `ignore-errors'.
+ (condition-case nil
+ (delete-file ,file)
+ (error))
+ (condition-case nil
+ (delete-directory
+ ,(file-name-directory file))
+ (error))))
+ ;; Form uses to kill the process buffer and
+ ;; remove the undisplayer.
+ (fm `(progn
+ (kill-buffer ,buffer)
+ ,(macroexpand
+ (list 'mm-handle-set-undisplayer
+ (list 'quote handle)
+ nil))))
+ ;; Message to be issued when the process exits.
+ (done (format "Displaying %s...done" command))
+ ;; In particular, the timer object (which is
+ ;; a vector in Emacs but is a list in XEmacs)
+ ;; requires that it is lexically scoped.
+ (timer (run-at-time 2.0 nil 'ignore)))
+ (lambda (process state)
+ (when (eq 'exit (process-status process))
+ (if (memq timer timer-list)
+ (timer-set-function timer fn)
+ (funcall fn))
+ (ignore-errors (eval fm))
+ (message "%s" done))))))
(mm-handle-set-external-undisplayer
handle (cons file buffer)))
(message "Displaying %s..." command))