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wl-gravatar.el
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wl-gravatar.el
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;;; wl-gravatar.el --- gravatar fetch/store functions -*- lexical-binding:t -*-
;; Copyright (C) 2010 Kazuhiro NISHIYAMA
;; Author: Kazuhiro NISHIYAMA <zn@mbf.nifty.com>
;; Keywords: faces, tools, extensions, mail
;; This file 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, or (at your option)
;; any later version.
;; This file 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; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Usage:
;; (require 'wl-gravatar)
;; (setq wl-highlight-x-face-function 'wl-gravatar-insert)
;; (setq gnus-gravatar-directory "~/.emacs-gravatar/")
;; (setq gravatar-unregistered-icon 'identicon)
;; (setq wl-gravatar-retrieve-once t)
;;; Code:
(require 'gravatar)
(defvar wl-gravatar-retrieve-once nil)
(defun wl-gravatar-insert (&rest _dummy)
"Display Gravatar images."
(let ((field (std11-fetch-field "From"))
image)
(message "wl-gravatar-insert: field=%s, address=%s" field (when field (wl-address-header-extract-address field)))
(when field
(gravatar-retrieve
(wl-address-header-extract-address field)
(lambda (image buffer)
(unless (eq image 'error)
(with-current-buffer buffer
(save-excursion
(goto-char (point-min))
(when (re-search-forward "^From: " nil t)
(let ((inhibit-read-only t))
; (message "inserting gravatar in buffer %s" (buffer-name))
(insert-image image)))))))
(list (current-buffer))))))
(provide 'wl-gravatar)
;;; wl-gravatar.el ends here