1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
;;; gnus-gravatar.el --- Gnus Gravatar support
;; Copyright (C) 2010 Free Software Foundation, Inc.
;; Author: Julien Danjou <julien@danjou.info>
;; Keywords: news
;; This file is part of GNU Emacs.
;; 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 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
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'gravatar)
(defgroup gnus-gravatar nil
"Gnus Gravatar."
:group 'gnus-visual)
(defcustom gnus-gravatar-size 32
"How big should gravatars be displayed."
:type 'integer
: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."
:group 'gnus-gravatar)
(defun gnus-gravatar-transform-address (header category)
(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)))))))
(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 ": " 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)))))))
;;;###autoload
(defun gnus-treat-from-gravatar ()
"Display gravatar in the From header.
If gravatar is already displayed, remove it."
(interactive)
(gnus-with-article-buffer
(if (memq 'from-gravatar gnus-article-wash-types)
(gnus-delete-images 'from-gravatar)
(gnus-gravatar-transform-address "from" 'from-gravatar))))
;;;###autoload
(defun gnus-treat-mail-gravatar ()
"Display gravatars in the Cc and To headers.
If gravatars are already displayed, remove them."
(interactive)
(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))))
(provide 'gnus-gravatar)
;;; gnus-gravatar.el ends here
|
