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7417851c85
gnus-gravatar.el (gnus-treat-from-gravatar, gnus-treat-mail-gravatar): Force displaying avatars when called interactively.
139 lines
5.1 KiB
EmacsLisp
139 lines
5.1 KiB
EmacsLisp
;;; gnus-gravatar.el --- Gnus Gravatar support
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;; Copyright (C) 2010 Free Software Foundation, Inc.
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;; Author: Julien Danjou <julien@danjou.info>
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;; Keywords: news
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'gravatar)
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(require 'gnus-art)
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(defgroup gnus-gravatar nil
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"Gnus Gravatar."
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:group 'gnus-visual)
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(defcustom gnus-gravatar-size 32
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"How big should gravatars be displayed."
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:type 'integer
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:version "24.1"
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:group 'gnus-gravatar)
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(defcustom gnus-gravatar-properties '(:ascent center :relief 1)
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"List of image properties applied to Gravatar images."
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:type 'list
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:version "24.1"
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:group 'gnus-gravatar)
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(defcustom gnus-gravatar-too-ugly gnus-article-x-face-too-ugly
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"Regexp matching posters whose avatar shouldn't be shown automatically."
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:type '(choice regexp (const nil))
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:version "24.1"
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:group 'gnus-gravatar)
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(defun gnus-gravatar-transform-address (header category &optional force)
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(gnus-with-article-headers
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(let ((addresses
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(mail-header-parse-addresses
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;; mail-header-parse-addresses does not work (reliably) on
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;; decoded headers.
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(or
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(ignore-errors
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(mail-encode-encoded-word-string
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(or (mail-fetch-field header) "")))
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(mail-fetch-field header))))
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(gravatar-size gnus-gravatar-size)
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name)
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(dolist (address addresses)
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(when (and (setq name (cdr address))
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(string-match "\\`\\*+ " name)) ;; (X-)Faces exist.
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(setcdr address (setq name (substring name (match-end 0)))))
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(when (or force
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(not (and gnus-gravatar-too-ugly
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(or (string-match gnus-gravatar-too-ugly
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(car address))
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(and name
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(string-match gnus-gravatar-too-ugly
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name))))))
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(ignore-errors
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(gravatar-retrieve
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(car address)
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'gnus-gravatar-insert
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(list header address category))))))))
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(defun gnus-gravatar-insert (gravatar header address category)
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"Insert GRAVATAR for ADDRESS in HEADER in current article buffer.
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Set image category to CATEGORY."
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(unless (eq gravatar 'error)
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(gnus-with-article-headers
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;; The buffer can be gone at this time
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(when (buffer-live-p (current-buffer))
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(gnus-article-goto-header header)
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(mail-header-narrow-to-field)
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(let ((real-name (cdr address))
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(mail-address (car address)))
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(when (if real-name ; have a realname, go for it!
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(and (search-forward real-name nil t)
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(search-backward real-name nil t))
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(and (search-forward mail-address nil t)
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(search-backward mail-address nil t)))
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(goto-char (1- (point)))
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;; If we're on the " quoting the name, go backward
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(when (looking-at "[\"<]")
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(goto-char (1- (point))))
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;; Do not do anything if there's already a gravatar. This can
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;; happens if the buffer has been regenerated in the mean time, for
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;; example we were fetching someaddress, and then we change to
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;; another mail with the same someaddress.
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(unless (memq 'gnus-gravatar (text-properties-at (point)))
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(let ((inhibit-read-only t)
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(point (point)))
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(unless (featurep 'xemacs)
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(setq gravatar (append gravatar gnus-gravatar-properties)))
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(gnus-put-image gravatar nil category)
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(put-text-property point (point) 'gnus-gravatar address)
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(gnus-add-wash-type category)
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(gnus-add-image category gravatar)))))))))
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;;;###autoload
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(defun gnus-treat-from-gravatar (&optional force)
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"Display gravatar in the From header.
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If gravatar is already displayed, remove it."
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(interactive (list t)) ;; When type `W D g'
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(gnus-with-article-buffer
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(if (memq 'from-gravatar gnus-article-wash-types)
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(gnus-delete-images 'from-gravatar)
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(gnus-gravatar-transform-address "from" 'from-gravatar force))))
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;;;###autoload
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(defun gnus-treat-mail-gravatar (&optional force)
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"Display gravatars in the Cc and To headers.
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If gravatars are already displayed, remove them."
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(interactive (list t)) ;; When type `W D h'
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(gnus-with-article-buffer
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(if (memq 'mail-gravatar gnus-article-wash-types)
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(gnus-delete-images 'mail-gravatar)
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(gnus-gravatar-transform-address "cc" 'mail-gravatar force)
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(gnus-gravatar-transform-address "to" 'mail-gravatar force))))
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(provide 'gnus-gravatar)
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;;; gnus-gravatar.el ends here
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