[Gnus] Introduce gnus-gravatar-too-ugly.

gnus-gravatar.el (gnus-gravatar-too-ugly): New user option.
gnus-gravatar.el (gnus-gravatar-transform-address): Don't show avatars of people of which mail addresses match gnus-gravatar-too-ugly.
gnus.texi (Gravatars): Document gnus-gravatar-too-ugly.

4 files changed, 34 insertions, 4 deletions

diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog
index 22208f6763d..2971701b1f2 100644
--- a/doc/misc/ChangeLog
+++ b/doc/misc/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-07  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+        * gnus.texi (Gravatars): Document gnus-gravatar-too-ugly.
+
 2010-10-06  Julien Danjou  <julien@danjou.info>
 
         * sieve.texi (Manage Sieve API): Document sieve-manage-authenticate.
diff --git a/doc/misc/gnus.texi b/doc/misc/gnus.texi
index bc2adb87a35..1f78e8c563f 100644
--- a/doc/misc/gnus.texi
+++ b/doc/misc/gnus.texi
@@ -827,6 +827,7 @@ Image Enhancements
 * Smileys::                     Show all those happy faces the way they were
                                   meant to be shown.
 * Picons::                      How to display pictures of what you're reading.
+* Gravatars::                   Display the avatar of people you read.
 * XVarious::                    Other XEmacsy Gnusey variables.
 
 Thwarting Email Spam
@@ -23195,6 +23196,12 @@ number for the size is enough.
 @vindex gnus-gravatar-properties
 List of image properties applied to Gravatar images.
 
+@item gnus-gravatar-too-ugly
+@vindex gnus-gravatar-too-ugly
+Regexp that matches mail addresses or names of people of which avatars
+should not be displayed, or @code{nil}.  It default to the value of
+@code{gnus-article-x-face-too-ugly} (@pxref{X-Face}).
+
 @end table
 
 If you want to see them in the From field, set:
diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index bb3d1ccacb6..2e07fa8798e 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,9 @@
+2010-10-07  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+        * gnus-gravatar.el (gnus-gravatar-too-ugly): New user option.
+        (gnus-gravatar-transform-address): Don't show avatars of people of
+        which mail addresses match gnus-gravatar-too-ugly.
+
 2010-10-07  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
         * shr.el (shr-table-widths): Expand TD elements to fill available
diff --git a/lisp/gnus/gnus-gravatar.el b/lisp/gnus/gnus-gravatar.el
index ecd9f753f5e..e974e9a8a89 100644
--- a/lisp/gnus/gnus-gravatar.el
+++ b/lisp/gnus/gnus-gravatar.el
@@ -42,6 +42,13 @@
   :version "24.1"
   :group 'gnus-gravatar)
 
+(defcustom gnus-gravatar-too-ugly (if (boundp 'gnus-article-x-face-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)
   (gnus-with-article-headers
     (let ((addresses
@@ -55,10 +62,16 @@
              (mail-fetch-field header)))))
       (let ((gravatar-size gnus-gravatar-size))
         (dolist (address addresses)
-          (gravatar-retrieve
-           (car address)
-           'gnus-gravatar-insert
-           (list header address category)))))))
+          (unless (and gnus-gravatar-too-ugly
+                       (or (string-match gnus-gravatar-too-ugly
+                                         (car address))
+                           (and (cdr address)
+                                (string-match gnus-gravatar-too-ugly
+                                              (cdr address)))))
+            (gravatar-retrieve
+             (car 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.