;;; gnus-gravatar.el --- Gnus Gravatar support
-;; Copyright (C) 2010 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
;; Author: Julien Danjou <julien@danjou.info>
;; Keywords: news
;;; Code:
(require 'gravatar)
+(require 'gnus-art)
+(require 'mail-extr) ;; Because of binding `mail-extr-disable-voodoo'.
(defgroup gnus-gravatar nil
"Gnus Gravatar."
:group 'gnus-visual)
-(defcustom gnus-gravatar-size 32
- "How big should gravatars be displayed."
- :type 'integer
+(defcustom gnus-gravatar-size nil
+ "How big should gravatars be displayed.
+If nil, default to `gravatar-size'."
+ :type '(choice (const nil) integer)
+ :version "24.1"
:group 'gnus-gravatar)
-(defcustom gnus-gravatar-relief 1
- "If non-nil, adds a shadow rectangle around the image. The
-value, relief, specifies the width of the shadow lines, in
-pixels. If relief is negative, shadows are drawn so that the
-image appears as a pressed button; otherwise, it appears as an
-unpressed button."
+(defcustom gnus-gravatar-properties '(:ascent center :relief 1)
+ "List of image properties applied to Gravatar images."
+ :type 'sexp
+ :version "24.1"
:group 'gnus-gravatar)
-(defun gnus-gravatar-transform-address (header category)
+(defcustom gnus-gravatar-too-ugly gnus-article-x-face-too-ugly
+ "Regexp matching posters whose avatar shouldn't be shown automatically."
+ :type '(choice regexp (const nil))
+ :version "24.1"
+ :group 'gnus-gravatar)
+
+(defun gnus-gravatar-transform-address (header category &optional force)
(gnus-with-article-headers
- (let ((addresses
- (mail-header-parse-addresses
- ;; mail-header-parse-addresses does not work (reliably) on
- ;; decoded headers.
- (or
- (ignore-errors
- (mail-encode-encoded-word-string
- (or (mail-fetch-field header) "")))
- (mail-fetch-field header)))))
- (let ((gravatar-size gnus-gravatar-size))
- (dolist (address addresses)
- (gravatar-retrieve
- (car address)
- 'gnus-gravatar-insert
- (list header (car address) category)))))))
+ (let* ((mail-extr-disable-voodoo t)
+ (mail-extr-ignore-realname-equals-mailbox-name nil)
+ (addresses (mail-extract-address-components
+ (or (mail-fetch-field header) "") t))
+ (gravatar-size (or gnus-gravatar-size gravatar-size))
+ name)
+ (dolist (address addresses)
+ (when (and (setq name (car address))
+ (string-match "\\` +" name))
+ (setcar address (setq name (substring name (match-end 0)))))
+ (when (or force
+ (not (and gnus-gravatar-too-ugly
+ (or (string-match gnus-gravatar-too-ugly
+ (or (cadr address) ""))
+ (and name
+ (string-match gnus-gravatar-too-ugly
+ name))))))
+ (ignore-errors
+ (gravatar-retrieve
+ (cadr address)
+ 'gnus-gravatar-insert
+ (list header address category))))))))
(defun gnus-gravatar-insert (gravatar header address category)
"Insert GRAVATAR for ADDRESS in HEADER in current article buffer.
Set image category to CATEGORY."
(unless (eq gravatar 'error)
- (gnus-with-article-headers
- (gnus-article-goto-header header)
- (mail-header-narrow-to-field)
- (when (and (search-forward address nil t)
- (or (search-backward ", " nil t)
- (search-backward ",\n" nil t)
- (search-backward ": " nil t)))
- (goto-char (1+ (point)))
- ;; Do not do anything if there's already a gravatar. This can
- ;; happens if the buffer has been regenerated in the mean time, for
- ;; example we were fetching someaddress, and then we change to
- ;; another mail with the same someaddress.
- (unless (memq 'gnus-gravatar (text-properties-at (point)))
- (let ((inhibit-read-only t)
- (point (point))
- (gravatar (append
- gravatar
- `(:ascent center :relief ,gnus-gravatar-relief))))
- (gnus-put-image gravatar nil category)
- (put-text-property point (point) 'gnus-gravatar address)
- (gnus-add-wash-type category)
- (gnus-add-image category gravatar)))))))
+ (gnus-with-article-buffer
+ (let ((mark (point-marker))
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t))
+ (save-restriction
+ (article-narrow-to-head)
+ ;; The buffer can be gone at this time
+ (when (buffer-live-p (current-buffer))
+ (gnus-article-goto-header header)
+ (mail-header-narrow-to-field)
+ (let ((real-name (car address))
+ (mail-address (cadr address)))
+ (when (if real-name
+ (re-search-forward
+ (concat (gnus-replace-in-string
+ (regexp-quote real-name) "[\t ]+" "[\t\n ]+")
+ "\\|"
+ (regexp-quote mail-address))
+ nil t)
+ (search-forward mail-address nil t))
+ (goto-char (1- (match-beginning 0)))
+ ;; If we're on the " quoting the name, go backward
+ (when (looking-at "[\"<]")
+ (goto-char (1- (point))))
+ ;; Do not do anything if there's already a gravatar. This can
+ ;; happens if the buffer has been regenerated in the mean time, for
+ ;; example we were fetching someaddress, and then we change to
+ ;; another mail with the same someaddress.
+ (unless (memq 'gnus-gravatar (text-properties-at (point)))
+ (let ((point (point)))
+ (unless (featurep 'xemacs)
+ (setq gravatar (append gravatar gnus-gravatar-properties)))
+ (gnus-put-image gravatar (buffer-substring (point) (1+ point)) category)
+ (put-text-property point (point) 'gnus-gravatar address)
+ (gnus-add-wash-type category)
+ (gnus-add-image category gravatar)))))))
+ (goto-char (marker-position mark))))))
;;;###autoload
-(defun gnus-treat-from-gravatar ()
+(defun gnus-treat-from-gravatar (&optional force)
"Display gravatar in the From header.
If gravatar is already displayed, remove it."
- (interactive)
+ (interactive (list t)) ;; When type `W D g'
(gnus-with-article-buffer
(if (memq 'from-gravatar gnus-article-wash-types)
- (gnus-delete-images 'from-gravatar)
- (gnus-gravatar-transform-address "from" 'from-gravatar))))
+ (gnus-delete-images 'from-gravatar)
+ (gnus-gravatar-transform-address "from" 'from-gravatar force))))
;;;###autoload
-(defun gnus-treat-mail-gravatar ()
+(defun gnus-treat-mail-gravatar (&optional force)
"Display gravatars in the Cc and To headers.
If gravatars are already displayed, remove them."
- (interactive)
+ (interactive (list t)) ;; When type `W D h'
(gnus-with-article-buffer
(if (memq 'mail-gravatar gnus-article-wash-types)
(gnus-delete-images 'mail-gravatar)
- (gnus-gravatar-transform-address "cc" 'mail-gravatar)
- (gnus-gravatar-transform-address "to" 'mail-gravatar))))
+ (gnus-gravatar-transform-address "cc" 'mail-gravatar force)
+ (gnus-gravatar-transform-address "to" 'mail-gravatar force))))
(provide 'gnus-gravatar)