--- /dev/null
+;;; gnus-draft.el --- draft message support for Gnus
+
+;; Copyright (C) 1997-2016 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; 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 'gnus)
+(require 'gnus-sum)
+(require 'message)
+(require 'gnus-msg)
+(require 'nndraft)
+(require 'gnus-agent)
+(eval-when-compile (require 'cl))
+(eval-when-compile
+ (when (featurep 'xemacs)
+ (require 'easy-mmode))) ; for `define-minor-mode'
+
+;;; Draft minor mode
+
+(defvar gnus-draft-mode-map
+ (let ((map (make-sparse-keymap)))
+ (gnus-define-keys map
+ "Dt" gnus-draft-toggle-sending
+ "e" gnus-draft-edit-message ;; Use `B w' for `gnus-summary-edit-article'
+ "De" gnus-draft-edit-message
+ "Ds" gnus-draft-send-message
+ "DS" gnus-draft-send-all-messages)
+ map))
+
+(defun gnus-draft-make-menu-bar ()
+ (unless (boundp 'gnus-draft-menu)
+ (easy-menu-define
+ gnus-draft-menu gnus-draft-mode-map ""
+ '("Drafts"
+ ["Toggle whether to send" gnus-draft-toggle-sending t]
+ ["Edit" gnus-draft-edit-message t]
+ ["Send selected message(s)" gnus-draft-send-message t]
+ ["Send all messages" gnus-draft-send-all-messages t]
+ ["Delete draft" gnus-summary-delete-article t]))))
+
+(define-minor-mode gnus-draft-mode
+ "Minor mode for providing a draft summary buffers.
+
+\\{gnus-draft-mode-map}"
+ :lighter " Draft" :keymap gnus-draft-mode-map
+ (cond
+ ((not (derived-mode-p 'gnus-summary-mode)) (setq gnus-draft-mode nil))
+ (gnus-draft-mode
+ ;; Set up the menu.
+ (when (gnus-visual-p 'draft-menu 'menu)
+ (gnus-draft-make-menu-bar))
+ (add-hook 'gnus-summary-prepare-exit-hook 'gnus-draft-clear-marks t t))))
+
+;;; Commands
+
+(defun gnus-draft-toggle-sending (article)
+ "Toggle whether to send an article or not."
+ (interactive (list (gnus-summary-article-number)))
+ (if (gnus-draft-article-sendable-p article)
+ (progn
+ (push article gnus-newsgroup-unsendable)
+ (gnus-summary-mark-article article gnus-unsendable-mark))
+ (setq gnus-newsgroup-unsendable
+ (delq article gnus-newsgroup-unsendable))
+ (gnus-summary-mark-article article gnus-unread-mark))
+ (gnus-summary-position-point))
+
+(defun gnus-draft-edit-message ()
+ "Enter a mail/post buffer to edit and send the draft."
+ (interactive)
+ (let ((article (gnus-summary-article-number))
+ (group gnus-newsgroup-name))
+ (gnus-draft-check-draft-articles (list article))
+ (gnus-summary-mark-as-read article gnus-canceled-mark)
+ (gnus-draft-setup article group t)
+ (set-buffer-modified-p t)
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-remove-header "date")))
+ (let ((message-draft-headers
+ (delq 'Date (copy-sequence message-draft-headers))))
+ (save-buffer))
+ (let ((gnus-verbose-backends nil))
+ (gnus-request-expire-articles (list article) group t))
+ (push
+ `((lambda ()
+ (when (gnus-buffer-exists-p ,gnus-summary-buffer)
+ (save-excursion
+ (set-buffer ,gnus-summary-buffer)
+ (gnus-cache-possibly-remove-article ,article nil nil nil t)))))
+ message-send-actions)))
+
+(defun gnus-draft-send-message (&optional n)
+ "Send the current draft(s).
+Obeys the standard process/prefix convention."
+ (interactive "P")
+ (let* ((articles (gnus-summary-work-articles n))
+ (total (length articles))
+ article)
+ (gnus-draft-check-draft-articles articles)
+ (while (setq article (pop articles))
+ (gnus-summary-remove-process-mark article)
+ (unless (memq article gnus-newsgroup-unsendable)
+ (let ((message-sending-message
+ (format "Sending message %d of %d..."
+ (- total (length articles)) total)))
+ (gnus-draft-send article gnus-newsgroup-name t))
+ (gnus-summary-mark-article article gnus-canceled-mark)))))
+
+(defun gnus-draft-send (article &optional group interactive)
+ "Send message ARTICLE."
+ (let* ((is-queue (or (not group)
+ (equal group "nndraft:queue")))
+ (message-syntax-checks (if interactive message-syntax-checks
+ 'dont-check-for-anything-just-trust-me))
+ (message-hidden-headers nil)
+ (message-inhibit-body-encoding (or is-queue
+ message-inhibit-body-encoding))
+ (message-send-hook (and (not is-queue)
+ message-send-hook))
+ (message-setup-hook (and (not is-queue)
+ message-setup-hook))
+ (gnus-message-setup-hook (and (not is-queue)
+ gnus-message-setup-hook))
+ (message-signature (and (not is-queue)
+ message-signature))
+ (gnus-agent-queue-mail (and (not is-queue)
+ gnus-agent-queue-mail))
+ (rfc2047-encode-encoded-words nil)
+ type method move-to)
+ (gnus-draft-setup article (or group "nndraft:queue") nil 'dont-pop)
+ ;; We read the meta-information that says how and where
+ ;; this message is to be sent.
+ (save-restriction
+ (message-narrow-to-headers)
+ (when (re-search-forward
+ (concat "^" (regexp-quote gnus-agent-target-move-group-header)
+ ":") nil t)
+ (skip-syntax-forward "-")
+ (setq move-to (buffer-substring (point) (point-at-eol)))
+ (message-remove-header gnus-agent-target-move-group-header))
+ (goto-char (point-min))
+ (when (re-search-forward
+ (concat "^" (regexp-quote gnus-agent-meta-information-header) ":")
+ nil t)
+ (setq type (ignore-errors (read (current-buffer)))
+ method (ignore-errors (read (current-buffer))))
+ (message-remove-header gnus-agent-meta-information-header)))
+ ;; Let Agent restore any GCC lines and have message.el perform them.
+ (gnus-agent-restore-gcc)
+ ;; Then we send it. If we have no meta-information, we just send
+ ;; it and let Message figure out how.
+ (when (and (or (null method)
+ (gnus-server-opened method)
+ (gnus-open-server method))
+ (if type
+ (let ((message-this-is-news (eq type 'news))
+ (message-this-is-mail (eq type 'mail))
+ (gnus-post-method method)
+ (message-post-method method))
+ (if move-to
+ (gnus-inews-do-gcc move-to)
+ (message-send-and-exit)))
+ (if move-to
+ (gnus-inews-do-gcc move-to)
+ (message-send-and-exit))))
+ (let ((gnus-verbose-backends nil))
+ (gnus-request-expire-articles
+ (list article) (or group "nndraft:queue") t)))))
+
+(defun gnus-draft-send-all-messages ()
+ "Send all the sendable drafts."
+ (interactive)
+ (when (or
+ gnus-expert-user
+ (gnus-y-or-n-p
+ "Send all drafts? "))
+ (gnus-uu-mark-buffer)
+ (gnus-draft-send-message)))
+
+(defun gnus-group-send-queue ()
+ "Send all sendable articles from the queue group."
+ (interactive)
+ (when (or gnus-plugged
+ (not gnus-agent-prompt-send-queue)
+ (gnus-y-or-n-p "Gnus is unplugged; really send queue? "))
+ (gnus-activate-group "nndraft:queue")
+ (save-excursion
+ (let* ((articles (nndraft-articles))
+ (unsendable (gnus-uncompress-range
+ (cdr (assq 'unsend
+ (gnus-info-marks
+ (gnus-get-info "nndraft:queue"))))))
+ (gnus-posting-styles nil)
+ message-send-mail-partially-limit
+ (total (length articles))
+ article)
+ (while (setq article (pop articles))
+ (unless (memq article unsendable)
+ (let ((message-sending-message
+ (format "Sending message %d of %d..."
+ (- total (length articles)) total)))
+ (gnus-draft-send article))))))
+ (gnus-group-refresh-group "nndraft:queue")))
+
+;;;###autoload
+(defun gnus-draft-reminder ()
+ "Reminder user if there are unsent drafts."
+ (interactive)
+ (if (gnus-alive-p)
+ (let (active)
+ (catch 'continue
+ (dolist (group '("nndraft:drafts" "nndraft:queue"))
+ (setq active (gnus-activate-group group))
+ (if (and active (>= (cdr active) (car active)))
+ (if (y-or-n-p "There are unsent drafts. Confirm to exit? ")
+ (throw 'continue t)
+ (error "Stop!"))))))))
+
+(defcustom gnus-draft-setup-hook nil
+ "Hook run after setting up a draft buffer."
+ :group 'gnus-message
+ :version "23.1" ;; No Gnus
+ :type 'hook)
+
+
+(defun gnus-draft-setup (narticle group &optional restore dont-pop)
+ "Setup a mail draft buffer.
+If DONT-POP is nil, display the buffer after setting it up."
+ (let (ga)
+ (gnus-setup-message 'forward
+ (let ((article narticle))
+ (message-mail nil nil nil nil
+ (if dont-pop
+ (lambda (buf) (set-buffer (get-buffer-create buf)))))
+ (let ((inhibit-read-only t))
+ (erase-buffer))
+ (if (not (gnus-request-restore-buffer article group))
+ (error "Couldn't restore the article")
+ (when (and restore
+ (equal group "nndraft:queue"))
+ (mime-to-mml))
+ ;; Insert the separator.
+ (goto-char (point-min))
+ (search-forward "\n\n")
+ (forward-char -1)
+ (save-restriction
+ (narrow-to-region (point-min) (point))
+ (setq ga
+ (message-fetch-field gnus-draft-meta-information-header)))
+ (insert mail-header-separator)
+ (forward-line 1)
+ (message-set-auto-save-file-name))))
+ (gnus-backlog-remove-article group narticle)
+ (when (and ga
+ (ignore-errors (setq ga (car (read-from-string ga)))))
+ (setq gnus-newsgroup-name
+ (if (equal (car ga) "") nil (car ga)))
+ (gnus-configure-posting-styles)
+ (setq gnus-message-group-art (cons gnus-newsgroup-name (cadr ga)))
+ (setq message-post-method
+ `(lambda (arg)
+ (gnus-post-method arg ,(car ga))))
+ (unless (equal (cadr ga) "")
+ (dolist (article (cdr ga))
+ (message-add-action
+ `(progn
+ (gnus-add-mark ,(car ga) 'replied ,article)
+ (gnus-request-set-mark ,(car ga) (list (list (list ,article)
+ 'add '(reply)))))
+ 'send))))
+ (run-hooks 'gnus-draft-setup-hook)))
+
+(defun gnus-draft-article-sendable-p (article)
+ "Say whether ARTICLE is sendable."
+ (not (memq article gnus-newsgroup-unsendable)))
+
+(defun gnus-draft-check-draft-articles (articles)
+ "Check whether the draft articles ARTICLES are under edit."
+ (when (equal gnus-newsgroup-name "nndraft:drafts")
+ (let ((buffers (buffer-list))
+ file buffs buff)
+ (save-current-buffer
+ (while (and articles
+ (not buff))
+ (setq file (nndraft-article-filename (pop articles))
+ buffs buffers)
+ (while buffs
+ (set-buffer (setq buff (pop buffs)))
+ (if (and buffer-file-name
+ (equal (file-remote-p file)
+ (file-remote-p buffer-file-name))
+ (string-equal (file-truename buffer-file-name)
+ (file-truename file))
+ (buffer-modified-p))
+ (setq buffs nil)
+ (setq buff nil)))))
+ (when buff
+ (let* ((window (get-buffer-window buff t))
+ (frame (and window (window-frame window))))
+ (if frame
+ (gnus-select-frame-set-input-focus frame)
+ (pop-to-buffer buff t)))
+ (error "The draft %s is under edit" file)))))
+
+(defun gnus-draft-clear-marks ()
+ (setq gnus-newsgroup-reads nil
+ gnus-newsgroup-marked nil
+ gnus-newsgroup-unreads (nndraft-articles)))
+
+(provide 'gnus-draft)
+
+;;; gnus-draft.el ends here
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