wl/wl-draft.el

   1 ;;; wl-draft.el --- Message draft mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5
   6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
   8 ;; Keywords: mail, net news
   9
  10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  11
  12 ;; This program is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16 ;;
  17 ;; This program is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21 ;;
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26 ;;
  27
  28 ;;; Commentary:
  29 ;;
  30
  31 ;;; Code:
  32 ;;
  33 (require 'elmo)
  34 (require 'sendmail)
  35 (require 'wl-template)
  36 (require 'emu)
  37 (condition-case nil (require 'timezone) (error nil))
  38 (require 'std11)
  39 (require 'eword-encode)
  40 (require 'wl-vars)
  41
  42 (defvar x-face-add-x-face-version-header)
  43 (defvar mail-reply-buffer)
  44 (defvar mail-from-style)
  45
  46 (eval-when-compile
  47   (require 'cl)
  48   (require 'static)
  49   (require 'elmo-pop3)
  50   (defalias-maybe 'x-face-insert 'ignore)
  51   (defalias-maybe 'x-face-insert-version-header 'ignore)
  52   (defalias-maybe 'wl-init 'ignore)
  53   (defalias-maybe 'wl-draft-mode 'ignore))
  54
  55 (eval-and-compile
  56   (autoload 'wl-addrmgr "wl-addrmgr"))
  57
  58 (autoload 'open-ssl-stream "ssl")
  59
  60 (defvar wl-draft-buffer-message-number nil)
  61 (defvar wl-draft-field-completion-list nil)
  62 (defvar wl-draft-verbose-send t)
  63 (defvar wl-draft-verbose-msg nil)
  64 (defvar wl-draft-queue-flushing nil)
  65 (defvar wl-draft-config-variables nil)
  66 (defvar wl-draft-config-exec-flag t)
  67 (defvar wl-draft-buffer-cur-summary-buffer nil)
  68 (defvar wl-draft-clone-local-variable-regexp "^\\(wl\\|mime\\)")
  69 (defvar wl-draft-sendlog-filename "sendlog")
  70 (defvar wl-draft-queue-save-filename "qinfo")
  71 (defvar wl-draft-config-save-filename "config")
  72 (defvar wl-draft-queue-flush-send-function 'wl-draft-dispatch-message)
  73 (defvar wl-sent-message-via nil)
  74 (defvar wl-sent-message-modified nil)
  75 (defvar wl-sent-message-queued nil)
  76 (defvar wl-draft-fcc-list nil)
  77 (defvar wl-draft-reedit nil)
  78 (defvar wl-draft-reply-buffer nil)
  79 (defvar wl-draft-forward nil)
  80 (defvar wl-draft-doing-mime-bcc nil)
  81
  82 (defvar wl-draft-parent-folder nil
  83   "Folder name of the summary in which current draft is invoked.
  84 This variable is local in each draft buffer.
  85 You can refer its value in `wl-draft-config-alist'.
  86
  87 e.g.
  88 \(setq wl-draft-config-alist
  89       '(((string-match \".*@domain1$\" wl-draft-parent-folder)
  90          (\"From\" . \"user@domain1\"))
  91         ((string-match \".*@domain2$\" wl-draft-parent-folder)
  92          (\"From\" . \"user@domain2\"))))")
  93
  94 (defvar wl-draft-parent-number nil)
  95 (defvar wl-draft-parent-flag nil)
  96
  97 (defconst wl-draft-parent-variables
  98   '(wl-draft-parent-folder
  99     wl-draft-parent-number
 100     wl-draft-parent-flag))
 101
 102 (defvar wl-draft-config-sub-func-alist
 103   '((body               . wl-draft-config-sub-body)
 104     (top                . wl-draft-config-sub-top)
 105     (bottom             . wl-draft-config-sub-bottom)
 106     (header             . wl-draft-config-sub-header)
 107     (header-top         . wl-draft-config-sub-header-top)
 108     (header-bottom      . wl-draft-config-sub-header)
 109     (part-top           . wl-draft-config-sub-part-top)
 110     (part-bottom        . wl-draft-config-sub-part-bottom)
 111     (body-file          . wl-draft-config-sub-body-file)
 112     (top-file           . wl-draft-config-sub-top-file)
 113     (bottom-file        . wl-draft-config-sub-bottom-file)
 114     (header-file        . wl-draft-config-sub-header-file)
 115     (template           . wl-draft-config-sub-template)
 116     (x-face             . wl-draft-config-sub-x-face)))
 117
 118 (make-variable-buffer-local 'wl-draft-buffer-message-number)
 119 (make-variable-buffer-local 'wl-draft-buffer-cur-summary-buffer)
 120 (make-variable-buffer-local 'wl-draft-config-variables)
 121 (make-variable-buffer-local 'wl-draft-config-exec-flag)
 122 (make-variable-buffer-local 'wl-sent-message-via)
 123 (make-variable-buffer-local 'wl-sent-message-queued)
 124 (make-variable-buffer-local 'wl-draft-fcc-list)
 125 (make-variable-buffer-local 'wl-draft-reply-buffer)
 126 (make-variable-buffer-local 'wl-draft-parent-folder)
 127 (make-variable-buffer-local 'wl-draft-parent-number)
 128 (make-variable-buffer-local 'wl-draft-parent-flag)
 129
 130 (defvar wl-draft-folder-internal nil
 131   "Internal variable for caching `opened' draft folder.")
 132
 133 (defsubst wl-smtp-password-key (user mechanism server)
 134   (format "SMTP:%s/%s@%s"
 135           user mechanism server))
 136
 137 (defmacro wl-smtp-extension-bind (&rest body)
 138   (` (let* ((smtp-sasl-mechanisms
 139              (if wl-smtp-authenticate-type
 140                  (mapcar 'upcase
 141                          (if (listp wl-smtp-authenticate-type)
 142                              wl-smtp-authenticate-type
 143                            (list wl-smtp-authenticate-type)))))
 144             (smtp-use-sasl (and smtp-sasl-mechanisms t))
 145             (smtp-use-starttls (eq wl-smtp-connection-type 'starttls))
 146             (smtp-open-connection-function
 147              (if (eq wl-smtp-connection-type 'ssl)
 148                  #'open-ssl-stream
 149                smtp-open-connection-function))
 150             (smtp-end-of-line
 151              (if (eq wl-smtp-connection-type 'ssl)
 152                  "\n"
 153                smtp-end-of-line))
 154             smtp-sasl-user-name smtp-sasl-properties sasl-read-passphrase)
 155        (setq smtp-sasl-user-name wl-smtp-posting-user
 156              smtp-sasl-properties (when wl-smtp-authenticate-realm
 157                                     (list 'realm
 158                                           wl-smtp-authenticate-realm)))
 159        (setq sasl-read-passphrase
 160              (function
 161               (lambda (prompt)
 162                 (elmo-get-passwd
 163                  (wl-smtp-password-key
 164                   smtp-sasl-user-name
 165                   (car smtp-sasl-mechanisms)
 166                   smtp-server)))))
 167        (,@ body))))
 168
 169 (defun wl-draft-insert-date-field ()
 170   "Insert Date field."
 171   (insert "Date: " (wl-make-date-string) "\n"))
 172
 173 (defun wl-draft-insert-from-field ()
 174   "Insert From field."
 175   ;; Put the "From:" field in unless for some odd reason
 176   ;; they put one in themselves.
 177   (let (from)
 178     (condition-case err
 179         (setq from (wl-draft-eword-encode-address-list wl-from))
 180       (error (error "Please look at `wl-from' again")))
 181     (insert "From: " from "\n")))
 182
 183 (defun wl-draft-insert-x-face-field ()
 184   "Insert X-Face header."
 185   (interactive)
 186   (if (not (file-exists-p wl-x-face-file))
 187       (error "File %s does not exist" wl-x-face-file)
 188     (goto-char (point-min))
 189     (search-forward mail-header-separator nil t)
 190     (beginning-of-line)
 191     (wl-draft-insert-x-face-field-here)
 192     (run-hooks 'wl-draft-insert-x-face-field-hook))) ; highlight it if you want.
 193
 194 (defun wl-draft-insert-x-face-field-here ()
 195   "Insert X-Face field at point."
 196   (let ((x-face-string (elmo-get-file-string wl-x-face-file)))
 197     (when (string-match "^\\(X-Face:\\)?[ \t\n]*" x-face-string)
 198       (setq x-face-string (substring x-face-string (match-end 0))))
 199     (insert "X-Face: " x-face-string))
 200   (when (not (= (preceding-char) ?\n))  ; for chomped (choped) x-face-string
 201     (insert ?\n))
 202   ;; Insert X-Face-Version: field
 203   (when (and (fboundp 'x-face-insert-version-header)
 204              (boundp 'x-face-add-x-face-version-header)
 205              x-face-add-x-face-version-header)
 206     (x-face-insert-version-header)))
 207
 208 (defun wl-draft-setup ()
 209   (let ((field wl-draft-fields)
 210         cl)
 211     (while field
 212       (setq cl (append cl
 213                        (list (cons (concat (car field) " ")
 214                                    (concat (car field) " ")))))
 215       (setq field (cdr field)))
 216     (setq cl
 217           (cons (cons (concat wl-draft-mime-bcc-field-name  ": ")
 218                       (concat wl-draft-mime-bcc-field-name  ": "))
 219                 cl))
 220     (setq wl-draft-field-completion-list cl)
 221     (setq wl-address-complete-header-regexp
 222           (wl-regexp-opt
 223            (append wl-address-complete-header-list
 224                    (list (concat wl-draft-mime-bcc-field-name  ":")))))))
 225
 226 (defun wl-draft-make-mail-followup-to (recipients)
 227   (let ((rlist (wl-address-delete-user-mail-addresses recipients)))
 228     (if (elmo-list-member rlist (mapcar 'downcase
 229                                         wl-subscribed-mailing-list))
 230         rlist
 231       (append rlist (list (wl-address-header-extract-address
 232                            wl-from))))))
 233
 234 (defun wl-draft-delete-myself-from-cc (to cc)
 235   (cond (wl-draft-always-delete-myself ; always-delete option
 236          (wl-address-delete-user-mail-addresses cc))
 237         ((elmo-list-member (append to cc) ; subscribed mailing-list
 238                            (mapcar 'downcase wl-subscribed-mailing-list))
 239          (wl-address-delete-user-mail-addresses cc))
 240         (t cc)))
 241
 242 (defsubst wl-draft-strip-subject-regexp (subject regexp)
 243   "Remove REGEXP from SUBJECT string."
 244   (if (string-match regexp subject)
 245       (substring subject (match-end 0))
 246     subject))
 247
 248 (defun wl-draft-forward-make-subject (original-subject)
 249   "Generate subject string for forwarding."
 250   (cond ((functionp wl-forward-subject-prefix)
 251          (concat (funcall wl-forward-subject-prefix)
 252                  original-subject))
 253         ((stringp wl-forward-subject-prefix)
 254          (concat wl-forward-subject-prefix
 255                  (wl-draft-strip-subject-regexp
 256                   (or original-subject "")
 257                   wl-subject-forward-prefix-regexp)))
 258         (t original-subject)))
 259
 260 (defun wl-draft-reply-make-subject (original-subject)
 261   "Generate subject string for replying."
 262   (cond ((functionp wl-reply-subject-prefix)
 263          (concat (funcall wl-reply-subject-prefix)
 264                  original-subject))
 265         ((stringp wl-reply-subject-prefix)
 266          (concat wl-reply-subject-prefix
 267                  (wl-draft-strip-subject-regexp
 268                   (or original-subject "")
 269                   wl-subject-re-prefix-regexp)))
 270         (t original-subject)))
 271
 272 (defun wl-draft-forward (original-subject summary-buf &optional number)
 273   (let (references parent-folder subject)
 274     (with-current-buffer summary-buf
 275       (setq parent-folder (wl-summary-buffer-folder-name)))
 276     (let ((decoder (mime-find-field-decoder 'Subject 'plain)))
 277       (setq subject (if (and original-subject decoder)
 278                         (funcall decoder original-subject) original-subject)))
 279     (with-current-buffer (wl-message-get-original-buffer)
 280       (setq subject (wl-draft-forward-make-subject subject))
 281       (setq references (nconc
 282                         (std11-field-bodies '("References" "In-Reply-To"))
 283                         (list (std11-field-body "Message-Id"))))
 284       (setq references (delq nil references)
 285             references (mapconcat 'identity references " ")
 286             references (wl-draft-parse-msg-id-list-string references)
 287             references (wl-delete-duplicates references)
 288             references (when references
 289                          (mapconcat 'identity references "\n\t"))))
 290     (and wl-draft-use-frame
 291          (get-buffer-window summary-buf)
 292          (select-window (get-buffer-window summary-buf)))
 293     (wl-draft (list (cons 'To "")
 294                     (cons 'Subject subject)
 295                     (cons 'References references))
 296               nil nil nil nil parent-folder number))
 297   (goto-char (point-max))
 298   (wl-draft-insert-message)
 299   (mail-position-on-field "To")
 300   (setq wl-draft-config-variables
 301         (append wl-draft-parent-variables
 302                 wl-draft-config-variables))
 303   (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
 304   (run-hooks 'wl-draft-forward-hook))
 305
 306 (defun wl-draft-self-reply-p ()
 307   "Return t when From address in the current message is user's self one or not."
 308   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
 309
 310 (defun wl-draft-reply (buf with-arg summary-buf &optional number)
 311   "Reply to BUF buffer message.
 312 Reply to author if WITH-ARG is non-nil."
 313 ;;;(save-excursion
 314   (let (r-list
 315         to mail-followup-to cc subject in-reply-to references newsgroups
 316         to-alist cc-alist decoder parent-folder)
 317     (when (buffer-live-p summary-buf)
 318       (with-current-buffer summary-buf
 319         (setq parent-folder (wl-summary-buffer-folder-name))))
 320     (set-buffer (or buf mime-mother-buffer))
 321     (setq r-list (if with-arg wl-draft-reply-with-argument-list
 322                    wl-draft-reply-without-argument-list))
 323     (catch 'done
 324       (while r-list
 325         (when (let ((condition (car (car r-list))))
 326                 (cond ((stringp condition)
 327                        (std11-field-body condition))
 328                       ((listp condition)
 329                        (catch 'done
 330                          (while condition
 331                            (cond
 332                             ((stringp (car condition))
 333                              (or (std11-field-body (car condition))
 334                                  (throw 'done nil)))
 335                             ((symbolp (car condition))
 336                              (or (funcall (car condition))
 337                                  (throw 'done nil)))
 338                             (t
 339                              (debug)))
 340                            (setq condition (cdr condition)))
 341                          t))
 342                       ((symbolp condition)
 343                        (funcall condition))))
 344           (let ((r-to-list (nth 0 (cdr (car r-list))))
 345                 (r-cc-list (nth 1 (cdr (car r-list))))
 346                 (r-ng-list (nth 2 (cdr (car r-list)))))
 347             (when (and (member "Followup-To" r-ng-list)
 348                        (string= (std11-field-body "Followup-To") "poster"))
 349               (setq r-to-list (cons "From" r-to-list))
 350               (setq r-ng-list (delete "Followup-To"
 351                                       (copy-sequence r-ng-list))))
 352             (if (and r-to-list (symbolp r-to-list))
 353                 (setq to (wl-concat-list (funcall r-to-list) ","))
 354               (setq to (wl-concat-list (cons to
 355                                              (elmo-multiple-fields-body-list
 356                                               r-to-list))
 357                                        ",")))
 358             (if (and r-cc-list (symbolp r-cc-list))
 359                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 360               (setq cc (wl-concat-list (cons cc
 361                                              (elmo-multiple-fields-body-list
 362                                               r-cc-list))
 363                                        ",")))
 364             (if (and r-ng-list (symbolp r-ng-list))
 365                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 366               (setq newsgroups (wl-concat-list (cons newsgroups
 367                                                      (std11-field-bodies
 368                                                       r-ng-list))
 369                                                ","))))
 370           (throw 'done nil))
 371         (setq r-list (cdr r-list)))
 372       (error "No match field: check your `wl-draft-reply-%s-argument-list'"
 373              (if with-arg "with" "without")))
 374     (setq subject (std11-field-body "Subject"))
 375     (setq to (wl-parse-addresses to)
 376           cc (wl-parse-addresses cc))
 377     (with-temp-buffer                   ; to keep raw buffer unibyte.
 378       (set-buffer-multibyte default-enable-multibyte-characters)
 379       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 380       (setq subject (if (and subject decoder)
 381                         (funcall decoder subject) subject))
 382       (setq to-alist
 383             (mapcar
 384              (lambda (addr)
 385                (setq decoder (mime-find-field-decoder 'To 'plain))
 386                (cons (nth 1 (std11-extract-address-components addr))
 387                      (if decoder (funcall decoder addr) addr)))
 388              to))
 389       (setq cc-alist
 390             (mapcar
 391              (lambda (addr)
 392                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 393                (cons (nth 1 (std11-extract-address-components addr))
 394                      (if decoder (funcall decoder addr) addr)))
 395              cc)))
 396     (setq subject (wl-draft-reply-make-subject subject))
 397     (setq in-reply-to (std11-field-body "Message-Id"))
 398     (setq references (nconc
 399                       (std11-field-bodies '("References" "In-Reply-To"))
 400                       (list in-reply-to)))
 401     (setq to (delq nil (mapcar 'car to-alist)))
 402     (setq cc (delq nil (mapcar 'car cc-alist)))
 403     ;; if subscribed mailing list is contained in cc or to
 404     ;; and myself is contained in cc,
 405     ;; delete myself from cc.
 406     (setq cc (wl-draft-delete-myself-from-cc to cc))
 407     (when wl-insert-mail-followup-to
 408       (setq mail-followup-to
 409             (wl-draft-make-mail-followup-to (append to cc)))
 410       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 411     (with-temp-buffer                   ; to keep raw buffer unibyte.
 412       (set-buffer-multibyte default-enable-multibyte-characters)
 413       (setq newsgroups (wl-parse newsgroups
 414                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 415             newsgroups (wl-delete-duplicates newsgroups)
 416             newsgroups
 417             (if newsgroups
 418                 (mapconcat
 419                  (lambda (grp)
 420                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 421                    (if decoder (funcall decoder grp) grp))
 422                  newsgroups ","))))
 423     (setq to (wl-delete-duplicates to nil t))
 424     (setq cc (wl-delete-duplicates
 425               (append (wl-delete-duplicates cc nil t)
 426                       to (copy-sequence to))
 427               t t))
 428     (and to (setq to (mapconcat
 429                       '(lambda (addr)
 430                          (if wl-draft-reply-use-address-with-full-name
 431                              (or (cdr (assoc addr to-alist)) addr)
 432                            addr))
 433                       to ",\n\t")))
 434     (and cc (setq cc (mapconcat
 435                       '(lambda (addr)
 436                          (if wl-draft-reply-use-address-with-full-name
 437                              (or (cdr (assoc addr cc-alist)) addr)
 438                            addr))
 439                       cc ",\n\t")))
 440     (and mail-followup-to
 441          (setq mail-followup-to
 442                (mapconcat
 443                 '(lambda (addr)
 444                    (if wl-draft-reply-use-address-with-full-name
 445                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 446                      addr))
 447                 mail-followup-to ",\n\t")))
 448     (and (null to) (setq to cc cc nil))
 449     (setq references (delq nil references)
 450           references (mapconcat 'identity references " ")
 451           references (wl-draft-parse-msg-id-list-string references)
 452           references (wl-delete-duplicates references)
 453           references (if references
 454                          (mapconcat 'identity references "\n\t")))
 455     (and wl-draft-use-frame
 456          (get-buffer-window summary-buf)
 457          (select-window (get-buffer-window summary-buf)))
 458     (wl-draft (list (cons 'To to)
 459                     (cons 'Cc cc)
 460                     (cons 'Newsgroups newsgroups)
 461                     (cons 'Subject subject)
 462                     (cons 'In-Reply-To in-reply-to)
 463                     (cons 'References references)
 464                     (cons 'Mail-Followup-To mail-followup-to))
 465               nil nil nil nil parent-folder number)
 466     (setq wl-draft-reply-buffer buf)
 467     (setq wl-draft-config-variables
 468           (append wl-draft-parent-variables
 469                   wl-draft-config-variables))
 470     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save))
 471   (run-hooks 'wl-draft-reply-hook))
 472
 473 (defun wl-draft-reply-position (position)
 474   (cond ((eq position 'body)
 475          (wl-draft-body-goto-top))
 476         ((eq position 'bottom)
 477          (wl-draft-body-goto-bottom))
 478         ((eq position 'top)
 479          (goto-char (point-min)))
 480         ((and (stringp position)
 481               (std11-field-body position))
 482          (progn (mail-position-on-field position)
 483                 (wl-draft-beginning-of-line)))
 484         ((listp position)
 485          (while (car position)
 486            (wl-draft-reply-position (car position))
 487            (setq position (cdr position))))))
 488
 489 (defun wl-draft-add-references ()
 490   (wl-draft-add-in-reply-to "References"))
 491
 492 (defun wl-draft-add-in-reply-to (&optional alt-field)
 493   (let* ((mes-id (save-excursion
 494                    (set-buffer mail-reply-buffer)
 495                    (std11-field-body "message-id")))
 496          (field (or alt-field "In-Reply-To"))
 497          (ref (std11-field-body field))
 498          (ref-list nil) (st nil))
 499     (when (and mes-id ref)
 500       (while (string-match "<[^>]+>" ref st)
 501         (setq ref-list
 502               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 503                     ref-list)))
 504       (when (and ref-list
 505                  (member mes-id ref-list))
 506         (setq mes-id nil)))
 507     (when mes-id
 508       (save-excursion
 509         (when (mail-position-on-field field)
 510           (forward-line)
 511           (while (looking-at "^[ \t]")
 512             (forward-line))
 513           (setq mes-id (concat "\t" mes-id "\n")))
 514         (insert mes-id))
 515       t)))
 516
 517 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 518                                              &optional ignored-fields)
 519   (interactive)
 520   (save-restriction
 521     (narrow-to-region (point)(point))
 522     (insert
 523      (string-as-multibyte
 524       (with-current-buffer mail-reply-buffer
 525         (when decode-it
 526           (decode-mime-charset-region (point-min) (point-max)
 527                                       wl-mime-charset))
 528         (buffer-substring-no-properties
 529          (point-min) (point-max)))))
 530     (when ignored-fields
 531       (goto-char (point-min))
 532       (wl-draft-delete-fields ignored-fields))
 533     (goto-char (point-max))
 534     (push-mark (point) nil t)
 535     (goto-char (point-min)))
 536   (let ((beg (point)))
 537     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 538           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 539           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 540     (run-hooks 'wl-draft-cited-hook)
 541     (when (if wl-draft-add-references
 542               (wl-draft-add-references)
 543             (if wl-draft-add-in-reply-to
 544                 (wl-draft-add-in-reply-to)))
 545       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 546     (when wl-highlight-body-too
 547       (wl-highlight-body-region beg (point-max)))))
 548
 549 (defun wl-message-news-p ()
 550   "If exist valid Newsgroups field, return non-nil."
 551   (std11-field-body "Newsgroups"))
 552
 553 (defun wl-message-field-exists-p (field)
 554   "If FIELD exist and FIELD value is not empty, return non-nil."
 555   (let ((value (std11-field-body field)))
 556     (and value
 557          (not (string= value "")))))
 558
 559 (defun wl-message-mail-p ()
 560   "If exist To, Cc or Bcc field, return non-nil."
 561   (or (wl-message-field-exists-p "To")
 562       (wl-message-field-exists-p "Resent-to")
 563       (wl-message-field-exists-p "Cc")
 564       (wl-message-field-exists-p "Bcc")
 565       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 566 ;;; This may be needed..
 567 ;;;   (wl-message-field-exists-p "Fcc")
 568       ))
 569
 570 (defun wl-draft-edit-string (string)
 571   (let ((cur-buf (current-buffer))
 572         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 573         to subject in-reply-to cc references newsgroups mail-followup-to
 574         content-type content-transfer-encoding from
 575         body-beg)
 576     (set-buffer tmp-buf)
 577     (erase-buffer)
 578     (insert string)
 579     (setq to (std11-field-body "To"))
 580     (setq to (and to
 581                   (eword-decode-string
 582                    (decode-mime-charset-string
 583                     to
 584                     wl-mime-charset))))
 585     (setq subject (std11-field-body "Subject"))
 586     (setq subject (and subject
 587                        (eword-decode-string
 588                         (decode-mime-charset-string
 589                          subject
 590                          wl-mime-charset))))
 591     (setq from (std11-field-body "From")
 592           from (and from
 593                     (eword-decode-string
 594                      (decode-mime-charset-string
 595                       from
 596                       wl-mime-charset))))
 597     (setq in-reply-to (std11-field-body "In-Reply-To"))
 598     (setq cc (std11-field-body "Cc"))
 599     (setq cc (and cc
 600                   (eword-decode-string
 601                    (decode-mime-charset-string
 602                     cc
 603                     wl-mime-charset))))
 604     (setq references (std11-field-body "References"))
 605     (setq newsgroups (std11-field-body "Newsgroups"))
 606     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 607     (setq content-type (std11-field-body "Content-Type"))
 608     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 609     (goto-char (point-min))
 610     (or (re-search-forward "\n\n" nil t)
 611         (search-forward (concat mail-header-separator "\n") nil t))
 612     (unwind-protect
 613         (set-buffer
 614          (wl-draft (list
 615                     (cons 'From
 616                           (if (wl-address-user-mail-address-p from) from))
 617                     (cons 'To to)
 618                     (cons 'Cc cc)
 619                     (cons 'Subject subject)
 620                     (cons 'Newsgroups newsgroups)
 621                     (cons 'Mail-Followup-To mail-followup-to)
 622                     (cons 'In-Reply-To in-reply-to)
 623                     (cons 'References references))
 624                    content-type content-transfer-encoding
 625                    (buffer-substring (point) (point-max))
 626                    'edit-again))
 627       (kill-buffer tmp-buf))
 628     ;; Set cursor point to the top.
 629     (goto-char (point-min))
 630     (search-forward (concat mail-header-separator "\n") nil t)
 631     (run-hooks 'wl-draft-reedit-hook)
 632     (and to (mail-position-on-field "To"))))
 633
 634 (defun wl-draft-insert-current-message (dummy)
 635   (interactive)
 636   (let (original-buffer
 637         mail-reply-buffer
 638         mail-citation-hook mail-yank-hooks
 639         wl-draft-add-references wl-draft-add-in-reply-to
 640         wl-draft-cite-function)
 641     (if (and wl-draft-buffer-cur-summary-buffer
 642              (with-current-buffer wl-draft-buffer-cur-summary-buffer
 643                (and wl-message-buffer
 644                     (with-current-buffer wl-message-buffer
 645                       (setq original-buffer (wl-message-get-original-buffer))
 646                       (not (zerop (with-current-buffer original-buffer
 647                                     (buffer-size))))))))
 648         (progn
 649           (setq mail-reply-buffer original-buffer)
 650           (wl-draft-yank-from-mail-reply-buffer
 651            nil
 652            wl-ignored-forwarded-headers))
 653       (when (string= (mime-make-tag "message" "rfc822")
 654                      (buffer-substring-no-properties (point-at-bol 0)(point-at-eol 0)))
 655         (delete-region (point-at-bol 0) (1+ (point-at-eol 0))))
 656       (error "No current message"))))
 657
 658 (defun wl-draft-insert-get-message (dummy)
 659   (let ((fld (completing-read
 660               "Folder name: "
 661               (if (memq 'read-folder wl-use-folder-petname)
 662                   (wl-folder-get-entity-with-petname)
 663                 wl-folder-entity-hashtb)
 664               nil nil wl-default-spec
 665               'wl-read-folder-history))
 666         (number (call-interactively
 667                  (function (lambda (num)
 668                              (interactive "nNumber: ")
 669                              num))))
 670         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 671         mail-citation-hook mail-yank-hooks
 672         wl-draft-cite-function)
 673     (unwind-protect
 674         (progn
 675           (with-current-buffer mail-reply-buffer
 676             (erase-buffer)
 677             (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 678                                 number
 679                                 ;; No cache.
 680                                 (elmo-make-fetch-strategy 'entire)))
 681           (wl-draft-yank-from-mail-reply-buffer nil))
 682       (kill-buffer mail-reply-buffer))))
 683
 684 ;;
 685 ;; default body citation func
 686 ;;
 687 (defun wl-default-draft-cite ()
 688   (let ((mail-yank-ignored-headers "[^:]+:")
 689         (mail-yank-prefix "> ")
 690         date from cite-title)
 691     (save-restriction
 692       (if (< (mark t) (point))
 693           (exchange-point-and-mark))
 694       (narrow-to-region (point)(point-max))
 695       (setq date (std11-field-body "date")
 696             from (std11-field-body "from")))
 697     (when (or date from)
 698       (insert (format "At %s,\n%s wrote:\n"
 699                       (or date "some time ago")
 700                       (if wl-default-draft-cite-decorate-author
 701                           (funcall wl-summary-from-function
 702                                    (or from "you"))
 703                         (or from "you")))))
 704     (mail-indent-citation)))
 705
 706 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 707 (defun wl-draft-yank-to-draft-buffer (buffer)
 708   "Yank BUFFER content to `wl-draft-buffer'."
 709   (set-buffer wl-draft-buffer)
 710   (let ((mail-reply-buffer buffer))
 711     (wl-draft-yank-from-mail-reply-buffer nil)
 712     (kill-buffer buffer)))
 713
 714 (defun wl-draft-yank-original (&optional arg)
 715   "Yank original message."
 716   (interactive "P")
 717   (if arg
 718       (let ((draft-buffer (current-buffer))
 719             mail-reply-buffer)
 720         (with-temp-buffer
 721           (insert "\n")
 722           (yank)
 723           (setq mail-reply-buffer (current-buffer))
 724           (with-current-buffer draft-buffer
 725             (wl-draft-yank-from-mail-reply-buffer nil))))
 726     (wl-draft-yank-current-message-entity)))
 727
 728 (defun wl-draft-hide (editing-buffer)
 729   "Hide the editing draft buffer if possible."
 730   (when (and editing-buffer
 731              (buffer-live-p editing-buffer)
 732              (get-buffer-window editing-buffer))
 733     (select-window (get-buffer-window editing-buffer))
 734     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 735           fld-buf sum-win fld-win)
 736       (if (and wl-draft-use-frame
 737                (> (length (visible-frame-list)) 1))
 738           ;; hide draft frame
 739           (delete-frame)
 740         ;; hide draft window
 741         (or (one-window-p)
 742             (delete-window))
 743         ;; stay folder window if required
 744         (when wl-stay-folder-window
 745           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 746               (if (setq fld-win (get-buffer-window fld-buf))
 747                   (select-window fld-win)
 748                 (if wl-draft-resume-folder-window ;; resume folder window
 749                     (switch-to-buffer fld-buf)))))
 750         (if (buffer-live-p sum-buf)
 751             (if (setq sum-win (get-buffer-window sum-buf t))
 752                 ;; if Summary is on the frame, select it.
 753                 (select-window sum-win)
 754               ;; if summary is not on the frame, switch to it.
 755               (if (and wl-stay-folder-window
 756                        (or wl-draft-resume-folder-window fld-win))
 757                   (wl-folder-select-buffer sum-buf)
 758                 (switch-to-buffer sum-buf))))))))
 759
 760 (defun wl-draft-delete (editing-buffer)
 761   "Kill the editing draft buffer and delete the file corresponds to it."
 762   (save-excursion
 763     (when editing-buffer
 764       (set-buffer editing-buffer)
 765       (when wl-draft-buffer-message-number
 766         (elmo-folder-delete-messages (wl-draft-get-folder)
 767                                      (list
 768                                       wl-draft-buffer-message-number))
 769         (wl-draft-config-info-operation wl-draft-buffer-message-number
 770                                         'delete))
 771       (set-buffer-modified-p nil)               ; force kill
 772       (kill-buffer editing-buffer))))
 773
 774 (defun wl-draft-kill (&optional force-kill)
 775   "Kill current draft buffer and quit editing."
 776   (interactive "P")
 777   (save-excursion
 778     (when (and (or (eq major-mode 'wl-draft-mode)
 779                    (eq major-mode 'mail-mode))
 780                (or force-kill
 781                    (yes-or-no-p "Kill Current Draft? ")))
 782       (let ((cur-buf (current-buffer)))
 783         (run-hooks 'wl-draft-kill-pre-hook)
 784         (wl-draft-hide cur-buf)
 785         (wl-draft-delete cur-buf)))
 786     (message "")))
 787
 788 (defun wl-draft-fcc ()
 789   "Add a new Fcc field, with file name completion."
 790   (interactive)
 791   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 792       (mail-position-on-field "to"))
 793   (insert "\nFcc: "))
 794
 795 ;; Imported from message.el.
 796 (defun wl-draft-elide-region (b e)
 797   "Elide the text in the region.
 798 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 799 text was killed."
 800   (interactive "r")
 801   (kill-region b e)
 802   (insert wl-draft-elide-ellipsis))
 803
 804 ;; Imported from message.el.
 805 (defun wl-draft-beginning-of-line (&optional n)
 806   "Move point to beginning of header value or to beginning of line."
 807   (interactive "p")
 808   (let ((zrs 'zmacs-region-stays))
 809     (when (and (interactive-p) (boundp zrs))
 810       (set zrs t)))
 811   (if (wl-draft-point-in-header-p)
 812       (let* ((here (point))
 813              (bol (progn (beginning-of-line n) (point)))
 814              (eol (line-end-position))
 815              (eoh (and (looking-at "[^ \t]")
 816                        (re-search-forward ": *" eol t))))
 817         (if (and eoh (or (> here eoh) (= here bol)))
 818             (goto-char eoh)
 819           (goto-char bol)))
 820     (beginning-of-line n)))
 821
 822 (defun wl-draft-point-in-header-p ()
 823   "Return t if point is in the header."
 824   (save-excursion
 825     (let ((p (point)))
 826       (goto-char (point-min))
 827       (not (re-search-forward
 828             (concat "^" (regexp-quote mail-header-separator) "\n")
 829             p t)))))
 830
 831 ;; function for wl-sent-message-via
 832
 833 (defmacro wl-draft-sent-message-p (type)
 834   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 835
 836 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 837   (` (let ((element (assq (, type) wl-sent-message-via)))
 838        (if element
 839            (unless (eq (nth 1 element) (, result))
 840              (setcdr element (list (, result) (, server-port)))
 841              (setq wl-sent-message-modified t))
 842          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 843          (setq wl-sent-message-modified t)))))
 844
 845 (defun wl-draft-sent-message-results ()
 846   (let ((results wl-sent-message-via)
 847         unplugged-via sent-via)
 848     (while results
 849       (cond ((eq (nth 1 (car results)) 'unplugged)
 850              (push (caar results) unplugged-via))
 851             ((eq (nth 1 (car results)) 'sent)
 852              (push (caar results) sent-via)))
 853       (setq results (cdr results)))
 854     (list unplugged-via sent-via)))
 855
 856 (defun wl-draft-write-sendlog (status proto server to id)
 857   "Write send log file, if `wl-draft-sendlog' is non-nil."
 858   (when wl-draft-sendlog
 859     (with-temp-buffer
 860       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 861                                          elmo-msgdb-directory))
 862              (filesize (nth 7 (file-attributes filename)))
 863              (server (if server (concat " server=" server) ""))
 864              (to (if to (cond
 865                          ((memq proto '(fcc queue))
 866                           (format " folder=\"%s\"" to))
 867                          ((eq proto 'nntp)
 868                           (format " ng=<%s>" to))
 869                          (t
 870                           (concat " to="
 871                                   (mapconcat
 872                                    'identity
 873                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 874                                    ","))))
 875                    ""))
 876              (id (if id (concat " id=" id) ""))
 877              (time (format-time-string "%Y/%m/%d %T")))
 878         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 879                         time proto status server to id))
 880         (if (and wl-draft-sendlog-max-size filesize
 881                  (> filesize wl-draft-sendlog-max-size))
 882             (rename-file filename (concat filename ".old") t))
 883         (if (file-writable-p filename)
 884             (write-region-as-binary (point-min) (point-max)
 885                                     filename t 'no-msg)
 886           (message "%s is not writable." filename))))))
 887
 888 (defun wl-draft-get-header-delimiter (&optional delete)
 889   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 890   (let (delimline)
 891     (goto-char (point-min))
 892     (when (re-search-forward
 893            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 894       (replace-match "")
 895       (if delete
 896           (forward-char -1))
 897       (setq delimline (point-marker)))
 898     delimline))
 899
 900 (defun wl-draft-send-mail-with-qmail ()
 901   "Pass the prepared message buffer to qmail-inject.
 902 Refer to the documentation for the variable `send-mail-function'
 903 to find out how to use this."
 904   (if (and wl-draft-qmail-send-plugged
 905            (not (elmo-plugged-p)))
 906       (wl-draft-set-sent-message 'mail 'unplugged)
 907     ;; send the message
 908     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 909     (let ((id (std11-field-body "Message-ID"))
 910           (to (std11-field-body "To")))
 911       (case
 912           (as-binary-process
 913            (apply
 914             'call-process-region 1 (point-max) wl-qmail-inject-program
 915             nil nil nil
 916             wl-qmail-inject-args))
 917         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 918         ;; we have to look at the retval instead
 919         (0   (progn
 920                (wl-draft-set-sent-message 'mail 'sent)
 921                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 922         (1   (error "`qmail-inject' reported permanent failure"))
 923         (111 (error "`qmail-inject' reported transient failure"))
 924         ;; should never happen
 925         (t   (error "`qmail-inject' reported unknown failure"))))))
 926
 927 (defun wl-draft-parse-msg-id-list-string (string)
 928   "Get msg-id list from STRING."
 929   (let (msg-id-list)
 930     (dolist (parsed-id (std11-parse-msg-ids-string string))
 931       (when (eq (car parsed-id) 'msg-id)
 932         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 933                                 msg-id-list))))
 934     (nreverse msg-id-list)))
 935
 936 (defun wl-draft-eword-encode-address-list (string &optional column)
 937   "Encode header field STRING as list of address, and return the result.
 938 Cause an error when STRING contains invalid address.
 939 Optional argument COLUMN is start-position of the field."
 940   (car (eword-encode-rword-list
 941         (or column eword-encode-default-start-column)
 942         (eword-encode-addresses-to-rword-list
 943          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 944
 945 (defun wl-draft-std11-parse-addresses (lal)
 946   (let ((ret (std11-parse-address lal)))
 947     (when (and (not (and (eq (length lal) 1)
 948                          (eq (car (car lal)) 'spaces)))
 949                (null ret))
 950       (error "Error while parsing address"))
 951     (if ret
 952         (let ((dest (list (car ret))))
 953           (setq lal (cdr ret))
 954           (while (and (setq ret (std11-parse-ascii-token lal))
 955                       (string-equal (cdr (assq 'specials (car ret))) ",")
 956                       (setq ret (std11-parse-address (cdr ret)))
 957                       )
 958             (setq dest (cons (car ret) dest))
 959             (setq lal (cdr ret)))
 960           (while (eq 'spaces (car (car lal)))
 961             (setq lal (cdr lal)))
 962           (if lal (error "Error while parsing address"))
 963           (nreverse dest)))))
 964
 965 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 966   "Get mailbox list of FIELD from current buffer.
 967 The buffer is expected to be narrowed to just the headers of the message.
 968 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 969 from current buffer."
 970   (save-excursion
 971     (let ((case-fold-search t)
 972           (inhibit-read-only t)
 973           addresses address
 974           mailbox-list beg seq has-group-list)
 975       (goto-char (point-min))
 976       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 977                                 nil t)
 978         (setq beg (point))
 979         (re-search-forward "^[^ \t]" nil 'move)
 980         (beginning-of-line)
 981         (skip-chars-backward "\n")
 982         (setq seq (std11-lexical-analyze
 983                    (buffer-substring-no-properties beg (point))))
 984         (setq addresses (wl-draft-std11-parse-addresses seq))
 985         (while addresses
 986           (cond ((eq (car (car addresses)) 'group)
 987                  (setq has-group-list t)
 988                  (setq mailbox-list
 989                        (nconc mailbox-list
 990                               (mapcar
 991                                'std11-address-string
 992                                (nth 2 (car addresses))))))
 993                 ((eq (car (car addresses)) 'mailbox)
 994                  (setq address (nth 1 (car addresses)))
 995                  (setq mailbox-list
 996                        (nconc mailbox-list
 997                               (list
 998                                (std11-addr-to-string
 999                                 (if (eq (car address) 'phrase-route-addr)
1000                                     (nth 2 address)
1001                                   (cdr address))))))))
1002           (setq addresses (cdr addresses)))
1003         (when (and remove-group-list has-group-list)
1004           (delete-region beg (point))
1005           (insert (wl-address-string-without-group-list-contents seq))))
1006       mailbox-list)))
1007
1008 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1009   "Get address list suitable for smtp RCPT TO:<address>.
1010 Group list content is removed if `wl-draft-remove-group-list-contents' is
1011 non-nil."
1012   (let ((fields (if (and wl-draft-doing-mime-bcc
1013                          wl-draft-disable-bcc-for-mime-bcc)
1014                     '("to" "cc")
1015                   '("to" "cc" "bcc")))
1016         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1017         (case-fold-search t)
1018         addrs recipients)
1019     (save-excursion
1020       (save-restriction
1021         (narrow-to-region header-start header-end)
1022         (goto-char (point-min))
1023         (save-excursion
1024           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1025               (setq fields resent-fields)))
1026         (while fields
1027           (setq recipients
1028                 (nconc recipients
1029                        (wl-draft-parse-mailbox-list
1030                         (car fields)
1031                         wl-draft-remove-group-list-contents)))
1032           (setq fields (cdr fields)))
1033         recipients))))
1034
1035 ;;
1036 ;; from Semi-gnus
1037 ;;
1038 (defun wl-draft-send-mail-with-smtp ()
1039   "Send the prepared message buffer with SMTP."
1040   (require 'smtp)
1041   (let* ((errbuf (if mail-interactive
1042                      (generate-new-buffer " smtp errors")
1043                    0))
1044          (case-fold-search t)
1045          (default-case-fold-search t)
1046          (sender (or wl-envelope-from
1047                      (wl-address-header-extract-address wl-from)))
1048          (delimline (save-excursion
1049                       (goto-char (point-min))
1050                       (re-search-forward
1051                        (concat "^" (regexp-quote mail-header-separator)
1052                                "$\\|^$") nil t)
1053                       (point-marker)))
1054          (smtp-server
1055           (or wl-smtp-posting-server smtp-server "localhost"))
1056          (smtp-service (or wl-smtp-posting-port smtp-service))
1057          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1058          (id (std11-field-body "message-id"))
1059          recipients)
1060     (if (not (elmo-plugged-p smtp-server smtp-service))
1061         (wl-draft-set-sent-message 'mail 'unplugged
1062                                    (cons smtp-server smtp-service))
1063       (unwind-protect
1064           (save-excursion
1065             ;; Instead of `smtp-deduce-address-list'.
1066             (setq recipients (wl-draft-deduce-address-list
1067                               (current-buffer) (point-min) delimline))
1068             (unless recipients (error "No recipients"))
1069             ;; Insert an extra newline if we need it to work around
1070             ;; Sun's bug that swallows newlines.
1071             (goto-char (1+ delimline))
1072             (if (eval mail-mailer-swallows-blank-line)
1073                 (newline))
1074             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1075             (if mail-interactive
1076                 (save-excursion
1077                   (set-buffer errbuf)
1078                   (erase-buffer)))
1079             (wl-draft-delete-field "bcc" delimline)
1080             (wl-draft-delete-field "resent-bcc" delimline)
1081             (let (process-connection-type)
1082               (as-binary-process
1083                (when recipients
1084                  (wl-smtp-extension-bind
1085                   (condition-case err
1086                       (smtp-send-buffer sender recipients (current-buffer))
1087                     (error
1088                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1089                                              recipients id)
1090                      (if (and (eq (car err) 'smtp-response-error)
1091                               (= (nth 1 err) 535))
1092                          (elmo-remove-passwd
1093                           (wl-smtp-password-key
1094                            smtp-sasl-user-name
1095                            (car smtp-sasl-mechanisms)
1096                            smtp-server)))
1097                      (signal (car err) (cdr err)))
1098                     (quit
1099                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1100                                              recipients id)
1101                      (signal (car err) (cdr err)))))
1102                  (wl-draft-set-sent-message 'mail 'sent)
1103                  (wl-draft-write-sendlog
1104                   'ok 'smtp smtp-server recipients id)))))
1105         (if (bufferp errbuf)
1106             (kill-buffer errbuf))))))
1107
1108 (defun wl-draft-send-mail-with-pop-before-smtp ()
1109   "Send the prepared message buffer with POP-before-SMTP."
1110   (require 'elmo-pop3)
1111   (let ((folder
1112          (luna-make-entity
1113           'elmo-pop3-folder
1114           :user   (or wl-pop-before-smtp-user
1115                       elmo-pop3-default-user)
1116           :server (or wl-pop-before-smtp-server
1117                       elmo-pop3-default-server)
1118           :port   (or wl-pop-before-smtp-port
1119                       elmo-pop3-default-port)
1120           :auth   (or wl-pop-before-smtp-authenticate-type
1121                       elmo-pop3-default-authenticate-type)
1122           :stream-type (elmo-get-network-stream-type
1123                         (or wl-pop-before-smtp-stream-type
1124                             elmo-pop3-default-stream-type))))
1125         session)
1126     (condition-case error
1127         (progn
1128           (setq session (elmo-pop3-get-session folder))
1129           (when session (elmo-network-close-session session)))
1130       (error
1131        (unless (string= (nth 1 error) "Unplugged")
1132          (signal (car error) (cdr error))))))
1133   (wl-draft-send-mail-with-smtp))
1134
1135 (defun wl-draft-insert-required-fields (&optional force-msgid)
1136   "Insert Message-ID, Date, and From field.
1137 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1138   ;; Insert Message-Id field...
1139   (goto-char (point-min))
1140   (when (and (or force-msgid
1141                  wl-insert-message-id)
1142              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1143     (insert (concat "Message-ID: "
1144                     (funcall wl-message-id-function)
1145                     "\n")))
1146   ;; Insert date field.
1147   (goto-char (point-min))
1148   (or (re-search-forward "^Date[ \t]*:" nil t)
1149       (wl-draft-insert-date-field))
1150   ;; Insert from field.
1151   (goto-char (point-min))
1152   (or (re-search-forward "^From[ \t]*:" nil t)
1153       (wl-draft-insert-from-field)))
1154
1155 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1156   "Send the message in the current buffer."
1157   (save-restriction
1158     (narrow-to-region (goto-char (point-min))
1159                       (if (re-search-forward
1160                            (concat
1161                             "^" (regexp-quote mail-header-separator) "$")
1162                            nil t)
1163                           (match-beginning 0)
1164                         (point-max)))
1165     (wl-draft-insert-required-fields)
1166     ;; ignore any blank lines in the header
1167     (while (progn (goto-char (point-min))
1168                   (re-search-forward "\n[ \t]*\n\n*" nil t))
1169       (replace-match "\n"))
1170     (goto-char (point-min))
1171     (while (re-search-forward
1172             "^[^ \t\n:]+:[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n"
1173             nil t)
1174       (when (string= "" (match-string 1))
1175         (replace-match ""))))
1176 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1177   (wl-draft-dispatch-message)
1178   (when kill-when-done
1179     ;; hide editing-buffer.
1180     (wl-draft-hide editing-buffer)
1181     ;; delete editing-buffer and its file.
1182     (wl-draft-delete editing-buffer)))
1183
1184 (defun wl-draft-dispatch-message (&optional mes-string)
1185   "Send the message in the current buffer.  Not modified the header fields."
1186   (let (delimline mime-bcc)
1187     (if (and wl-draft-verbose-send mes-string)
1188         (message "%s" mes-string))
1189     ;; get fcc folders.
1190     (setq delimline (wl-draft-get-header-delimiter t))
1191     (unless wl-draft-fcc-list
1192       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1193     ;;
1194     (setq wl-sent-message-modified nil)
1195     (unwind-protect
1196         (progn
1197           (if (and (wl-message-mail-p)
1198                    (not (wl-draft-sent-message-p 'mail)))
1199               (if (or (not (or wl-draft-force-queuing
1200                                wl-draft-force-queuing-mail))
1201                       (memq 'mail wl-sent-message-queued))
1202                   (progn
1203                     (setq mime-bcc (wl-draft-mime-bcc-field))
1204                     (funcall wl-draft-send-mail-function)
1205                     (when (not (zerop (length mime-bcc)))
1206                       (wl-draft-do-mime-bcc mime-bcc)))
1207                 (push 'mail wl-sent-message-queued)
1208                 (wl-draft-set-sent-message 'mail 'unplugged)))
1209           (if (and (wl-message-news-p)
1210                    (not (wl-draft-sent-message-p 'news))
1211                    (not (wl-message-field-exists-p "Resent-to")))
1212               (if (or (not (or wl-draft-force-queuing
1213                                wl-draft-force-queuing-news))
1214                       (memq 'news wl-sent-message-queued))
1215                   (funcall wl-draft-send-news-function)
1216                 (push 'news wl-sent-message-queued)
1217                 (wl-draft-set-sent-message 'news 'unplugged))))
1218       (let* ((status (wl-draft-sent-message-results))
1219              (unplugged-via (car status))
1220              (sent-via (nth 1 status)))
1221         ;; If one sent, process fcc folder.
1222         (if (and sent-via wl-draft-fcc-list)
1223             (progn
1224               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1225                                wl-draft-fcc-list)
1226               (setq wl-draft-fcc-list nil)))
1227         (if wl-draft-use-cache
1228             (let ((id (std11-field-body "Message-ID"))
1229                   (elmo-enable-disconnected-operation t))
1230               (elmo-file-cache-save (elmo-file-cache-get-path id)
1231                                     nil)))
1232         ;; If one unplugged, append queue.
1233         (when (and unplugged-via
1234                    wl-sent-message-modified)
1235           (if wl-draft-enable-queuing
1236               (progn
1237                 (wl-draft-queue-append wl-sent-message-via)
1238                 (setq wl-sent-message-modified 'requeue))
1239             (error "Unplugged")))
1240         (when wl-draft-verbose-send
1241           (if (and unplugged-via sent-via);; combined message
1242               (progn
1243                 (setq wl-draft-verbose-msg
1244                       (format "Sending%s and Queuing%s..."
1245                               sent-via unplugged-via))
1246                 (message "%sdone" wl-draft-verbose-msg))
1247             (if mes-string
1248                 (message "%s%s"
1249                          mes-string
1250                          (if sent-via "done" "failed"))))))))
1251   (not wl-sent-message-modified)) ;; return value
1252
1253 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1254   "Force send current buffer as raw message."
1255   (interactive)
1256   (save-excursion
1257     (let (wl-interactive-send
1258 ;;;       wl-draft-verbose-send
1259           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1260           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1261           mail-send-hook
1262           mail-send-actions)
1263       (wl-draft-send kill-when-done mes-string))))
1264
1265 (defun wl-draft-clone-local-variables ()
1266   (let ((locals (buffer-local-variables))
1267         result)
1268     (while locals
1269       (when (and (consp (car locals))
1270                  (car (car locals))
1271                  (string-match wl-draft-clone-local-variable-regexp
1272                                (symbol-name (car (car locals)))))
1273         (wl-append result (list (car (car locals)))))
1274       (setq locals (cdr locals)))
1275     result))
1276
1277 (defcustom wl-draft-send-confirm-with-preview t
1278   "*Non-nil to invoke preview through confirmation of sending.
1279 This variable is valid when `wl-interactive-send' has non-nil value."
1280   :type 'boolean
1281   :group 'wl-draft)
1282
1283 (defun wl-draft-send-confirm ()
1284   (unwind-protect
1285       (condition-case nil
1286           (progn
1287             (when wl-draft-send-confirm-with-preview
1288               (wl-draft-preview-message))
1289             (save-excursion
1290               (goto-char (point-min)) ; to show recipients in header
1291               (funcall
1292                (if (functionp wl-draft-send-confirm-type)
1293                    wl-draft-send-confirm-type
1294                  (lambda (prompt)
1295                    (wl-y-or-n-p-with-scroll
1296                     prompt
1297                     (eq wl-draft-send-confirm-type 'scroll-by-SPC/BS))))
1298                "Send current draft? ")))
1299         (quit nil))
1300     (when (and wl-draft-send-confirm-with-preview
1301                (eq major-mode 'mime-view-mode))
1302       (wl-mime-quit-preview))))
1303
1304 (defun wl-draft-send (&optional kill-when-done mes-string)
1305   "Send current draft message.
1306 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1307   (interactive)
1308   ;; Don't call this explicitly.
1309   ;; Added to 'wl-draft-send-hook (by teranisi)
1310   ;; (wl-draft-config-exec)
1311   (run-hooks 'wl-draft-send-hook)
1312   (when (or (not wl-interactive-send)
1313             (wl-draft-send-confirm))
1314     (let ((send-mail-function 'wl-draft-raw-send)
1315           (editing-buffer (current-buffer))
1316           (sending-buffer (wl-draft-generate-clone-buffer
1317                            " *wl-draft-sending-buffer*"
1318                            (append wl-draft-config-variables
1319                                    (wl-draft-clone-local-variables))))
1320           (parent-flag wl-draft-parent-flag)
1321           (parent-number wl-draft-parent-number)
1322           (parent-folder wl-draft-parent-folder)
1323           (wl-draft-verbose-msg nil)
1324           err)
1325       (unwind-protect
1326           (save-excursion
1327             (set-buffer sending-buffer)
1328             (if (and (not (wl-message-mail-p))
1329                      (not (wl-message-news-p)))
1330                 (error "No recipient is specified"))
1331             (expand-abbrev)             ; for mail-abbrevs
1332             (let ((mime-header-encode-method-alist
1333                    (append
1334                     '((wl-draft-eword-encode-address-list
1335                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1336                     (if (boundp 'mime-header-encode-method-alist)
1337                         (symbol-value 'mime-header-encode-method-alist)))))
1338               (run-hooks 'mail-send-hook) ; translate buffer
1339               )
1340             ;;
1341             (if wl-draft-verbose-send
1342                 (message "%s" (or mes-string "Sending...")))
1343             ;; Set flag before send-function because
1344             ;; there's no need to change current mailbox at this time.
1345             ;; If flag is set after send-function, the current mailbox
1346             ;; might changed by Fcc.
1347             ;; It causes a huge loss in the IMAP folder.
1348             (when (and parent-flag parent-number
1349                        (not (eq (length parent-folder) 0)))
1350               (wl-folder-set-persistent-mark
1351                parent-folder parent-number parent-flag))
1352             (funcall wl-draft-send-function editing-buffer kill-when-done)
1353             ;; Now perform actions on successful sending.
1354             (while mail-send-actions
1355               (condition-case ()
1356                   (apply (car (car mail-send-actions))
1357                          (cdr (car mail-send-actions)))
1358                 (error))
1359               (setq mail-send-actions (cdr mail-send-actions)))
1360             (if wl-draft-verbose-send
1361                 (message "%sdone"
1362                          (or wl-draft-verbose-msg
1363                              mes-string
1364                              "Sending..."))))
1365         ;; kill sending buffer, anyway.
1366         (and (buffer-live-p sending-buffer)
1367              (kill-buffer sending-buffer))))))
1368
1369 (defun wl-draft-mime-bcc-field ()
1370   "Return the MIME-Bcc field body.  The field is deleted."
1371   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1372     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1373
1374 (defun wl-draft-do-mime-bcc (field-body)
1375   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1376   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1377                                            'From))
1378         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1379                                                "")
1380                                            'Subject))
1381         (recipients (wl-parse-addresses field-body))
1382         (draft-buffer (current-buffer))
1383         wl-draft-use-frame)
1384     (save-window-excursion
1385       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1386                  (not (zerop (length field-body))))
1387         (let ((wl-draft-doing-mime-bcc t))
1388           (dolist (recipient recipients)
1389             (wl-draft-create-buffer)
1390             (wl-draft-create-contents
1391              (append `((From . ,orig-from)
1392                        (To . ,recipient)
1393                        (Subject . ,(concat "A blind carbon copy ("
1394                                            orig-subj
1395                                            ")")))
1396                      (wl-draft-default-headers)))
1397             (wl-draft-insert-mail-header-separator)
1398             (wl-draft-prepare-edit)
1399             (goto-char (point-max))
1400             (insert (or wl-draft-mime-bcc-body
1401                         "This is a blind carbon copy.")
1402                     "\n")
1403             (mime-edit-insert-tag "message" "rfc822")
1404             (insert-buffer draft-buffer)
1405             (let (wl-interactive-send)
1406               (wl-draft-send 'kill-when-done))))))))
1407
1408 (defun wl-draft-save ()
1409   "Save current draft."
1410   (interactive)
1411   (if (buffer-modified-p)
1412       (progn
1413         (message "Saving...")
1414         (let ((msg (buffer-substring-no-properties (point-min) (point-max)))
1415               next-number)
1416           (when wl-draft-buffer-message-number
1417             (elmo-folder-delete-messages (wl-draft-get-folder)
1418                                          (list wl-draft-buffer-message-number))
1419             (wl-draft-config-info-operation wl-draft-buffer-message-number
1420                                             'delete))
1421           (elmo-folder-check (wl-draft-get-folder))
1422           ;; If no header separator, insert it.
1423           (with-temp-buffer
1424             (insert msg)
1425             (goto-char (point-min))
1426             (unless (re-search-forward
1427                      (concat "^" (regexp-quote mail-header-separator) "$")
1428                      nil t)
1429               (goto-char (point-min))
1430               (if (re-search-forward "\n\n" nil t)
1431                   (replace-match (concat "\n" mail-header-separator "\n"))
1432                 (goto-char (point-max))
1433                 (insert (if (eq (char-before) ?\n) "" "\n")
1434                         mail-header-separator "\n")))
1435             (let ((mime-header-encode-method-alist
1436                    (append
1437                     '((eword-encode-unstructured-field-body
1438                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1439                     (if (boundp 'mime-header-encode-method-alist)
1440                         (symbol-value 'mime-header-encode-method-alist)))))
1441               (mime-edit-translate-buffer))
1442             (wl-draft-get-header-delimiter t)
1443             (setq next-number
1444                   (elmo-folder-next-message-number (wl-draft-get-folder)))
1445             (elmo-folder-append-buffer (wl-draft-get-folder)))
1446           (elmo-folder-check (wl-draft-get-folder))
1447           (elmo-folder-commit (wl-draft-get-folder))
1448           (setq wl-draft-buffer-message-number next-number)
1449           (rename-buffer (format "%s/%d" wl-draft-folder next-number) t)
1450           (setq buffer-file-name (buffer-name))
1451           (set-buffer-modified-p nil)
1452           (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
1453           (message "Saving...done")))
1454     (message "(No changes need to be saved)")))
1455
1456 (defun wl-draft-mimic-kill-buffer ()
1457   "Kill the current (draft) buffer with query."
1458   (interactive)
1459   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1460                                       (buffer-name))))
1461         wl-draft-use-frame)
1462     (if (or (not bufname)
1463             (string-equal bufname "")
1464             (string-equal bufname (buffer-name)))
1465         (let ((bufname (current-buffer)))
1466           (when (or (not (buffer-modified-p))
1467                     (yes-or-no-p
1468                      (format "Buffer %s modified; kill anyway? " bufname)))
1469             (set-buffer-modified-p nil)
1470             (wl-draft-hide bufname)
1471             (kill-buffer bufname)))
1472       (kill-buffer bufname))))
1473
1474 (defun wl-draft-save-and-exit ()
1475   "Save current draft and exit current draft mode."
1476   (interactive)
1477   (wl-draft-save)
1478   (let ((editing-buffer (current-buffer)))
1479     (wl-draft-hide editing-buffer)
1480     (kill-buffer editing-buffer)))
1481
1482 (defun wl-draft-send-and-exit ()
1483   "Send current draft message and kill it."
1484   (interactive)
1485   (wl-draft-send t))
1486
1487 (defun wl-draft-send-from-toolbar ()
1488   (interactive)
1489   (let ((wl-interactive-send t))
1490     (wl-draft-send-and-exit)))
1491
1492 (defun wl-draft-delete-field (field &optional delimline replace)
1493   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1494
1495 (defun wl-draft-delete-fields (field &optional delimline replace)
1496   (save-restriction
1497     (unless delimline
1498       (goto-char (point-min))
1499       (if (search-forward "\n\n" nil t)
1500           (setq delimline (point))
1501         (setq delimline (point-max))))
1502     (narrow-to-region (point-min) delimline)
1503     (goto-char (point-min))
1504     (let ((regexp (concat "^" field ":"))
1505           (case-fold-search t))
1506       (while (not (eobp))
1507         (if (looking-at regexp)
1508             (progn
1509               (delete-region
1510                (point)
1511                (progn
1512                  (forward-line 1)
1513                  (if (re-search-forward "^[^ \t]" nil t)
1514                      (goto-char (match-beginning 0))
1515                    (point-max))))
1516               (if replace
1517                   (insert (concat field ": " replace "\n"))))
1518           (forward-line 1)
1519           (if (re-search-forward "^[^ \t]" nil t)
1520               (goto-char (match-beginning 0))
1521             (point-max)))))))
1522
1523 (defun wl-draft-get-fcc-list (header-end)
1524   (if (and wl-draft-doing-mime-bcc
1525            wl-draft-disable-fcc-for-mime-bcc)
1526       (progn
1527         (wl-draft-delete-field "fcc")
1528         nil)
1529     (let (fcc-list
1530           (case-fold-search t))
1531       (or (markerp header-end) (error "HEADER-END must be a marker"))
1532       (save-excursion
1533         (goto-char (point-min))
1534         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1535           (save-match-data
1536             (setq fcc-list
1537                   (append fcc-list
1538                           (split-string
1539                            (buffer-substring-no-properties
1540                             (point)
1541                             (progn
1542                               (end-of-line)
1543                               (skip-chars-backward " \t")
1544                               (point)))
1545                            ",[ \t]*")))
1546             (dolist (folder fcc-list)
1547               (wl-folder-confirm-existence
1548                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1549           (delete-region (match-beginning 0)
1550                          (progn (forward-line 1) (point)))))
1551       fcc-list)))
1552
1553 (defcustom wl-draft-fcc-append-read-folder-history t
1554   "Non-nil to append fcc'ed folder to `wl-read-folder-history'."
1555   :type 'boolean
1556   :group 'wl-draft)
1557
1558 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1559   (let ((send-mail-buffer (current-buffer))
1560         (tembuf (generate-new-buffer " fcc output"))
1561         (case-fold-search t)
1562         beg end)
1563     (or (markerp header-end) (error "HEADER-END must be a marker"))
1564     (save-excursion
1565       (unless fcc-list
1566         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1567       (set-buffer tembuf)
1568       (erase-buffer)
1569       ;; insert just the headers to avoid moving the gap more than
1570       ;; necessary (the message body could be arbitrarily huge.)
1571       (insert-buffer-substring send-mail-buffer 1 header-end)
1572       (wl-draft-insert-required-fields t)
1573       (goto-char (point-max))
1574       (insert-buffer-substring send-mail-buffer header-end)
1575       (let ((id (std11-field-body "Message-ID"))
1576             (elmo-enable-disconnected-operation t))
1577         (while fcc-list
1578           (if (elmo-folder-append-buffer
1579                (wl-folder-get-elmo-folder
1580                 (eword-decode-string (car fcc-list)))
1581                (and wl-fcc-force-as-read '(read)))
1582               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1583             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1584           (if (and wl-draft-fcc-append-read-folder-history
1585                    (boundp 'wl-read-folder-history))
1586               (or (equal (car fcc-list) (car wl-read-folder-history))
1587                   (setq wl-read-folder-history
1588                         (append (list (car fcc-list)) wl-read-folder-history))))
1589           (setq fcc-list (cdr fcc-list)))))
1590     (kill-buffer tembuf)))
1591
1592 (defun wl-draft-on-field-p ()
1593   (if (< (point)
1594          (save-excursion
1595            (goto-char (point-min))
1596            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1597            (point)))
1598       (if (bolp)
1599           (if (bobp)
1600               t
1601             (save-excursion
1602               (forward-line -1)
1603               (if (or (looking-at ".*,[ \t]?$")
1604                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1605                   nil t)))
1606         (let ((pos (point)))
1607           (save-excursion
1608             (beginning-of-line)
1609             (if (looking-at "^[ \t]")
1610                 nil
1611               (if (re-search-forward ":" pos t) nil t)))))))
1612
1613 ;;;;;;;;;;;;;;;;
1614 ;;;###autoload
1615 (defun wl-draft (&optional header-alist
1616                            content-type content-transfer-encoding
1617                            body edit-again
1618                            parent-folder
1619                            parent-number)
1620   "Write and send mail/news message with Wanderlust."
1621   (interactive)
1622   (require 'wl)
1623   (unless wl-init
1624     (wl-load-profile)
1625     (wl-folder-init)
1626     (elmo-init)
1627     (wl-plugged-init t))
1628   (let (wl-demo)
1629     (wl-init)) ; returns immediately if already initialized.
1630
1631   (wl-start-save-drafts)
1632   (let (buffer header-alist-internal)
1633     (setq buffer (wl-draft-create-buffer parent-folder parent-number))
1634     (unless (cdr (assq 'From header-alist))
1635       (setq header-alist
1636             (append (list (cons 'From wl-from)) header-alist)))
1637     (unless (cdr (assq 'To header-alist))
1638       (let ((to))
1639         (when (setq to (and
1640                         (interactive-p)
1641                         ""))
1642           (if (assq 'To header-alist)
1643               (setcdr (assq 'To header-alist) to)
1644             (setq header-alist
1645                   (append header-alist
1646                           (list (cons 'To to))))))))
1647     (unless (cdr (assq 'Subject header-alist))
1648       (if (assq 'Subject header-alist)
1649           (setcdr (assq 'Subject header-alist) "")
1650         (setq header-alist
1651               (append header-alist (list (cons 'Subject ""))))))
1652     (setq header-alist (append header-alist
1653                                (wl-draft-default-headers)
1654                                wl-draft-additional-header-alist
1655                                (if body (list "" (cons 'Body body)))))
1656     (wl-draft-create-contents header-alist)
1657     (if edit-again
1658         (wl-draft-decode-body
1659          content-type content-transfer-encoding))
1660     (wl-draft-insert-mail-header-separator)
1661     (wl-draft-prepare-edit)
1662     (if (interactive-p)
1663         (run-hooks 'wl-mail-setup-hook))
1664     (goto-char (point-min))
1665     (setq buffer-undo-list nil)
1666     (wl-user-agent-compose-internal) ;; user-agent
1667     (cond ((and
1668             (interactive-p)
1669             (string= (cdr (assq 'To header-alist)) ""))
1670            (mail-position-on-field "To"))
1671           (t
1672            (goto-char (point-max))))
1673     buffer))
1674
1675 (defun wl-draft-create-buffer (&optional parent-folder parent-number)
1676   (let* ((draft-folder (wl-draft-get-folder))
1677          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1678          (summary-buf (wl-summary-get-buffer parent-folder))
1679          (reply-or-forward
1680           (or (eq this-command 'wl-summary-reply)
1681               (eq this-command 'wl-summary-reply-with-citation)
1682               (eq this-command 'wl-summary-forward)
1683               (eq this-command 'wl-summary-target-mark-forward)
1684               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1685          (buffer (generate-new-buffer "*draft*"))) ; Just for initial name.
1686     (set-buffer buffer)
1687     ;; switch-buffer according to draft buffer style.
1688     (if wl-draft-use-frame
1689         (switch-to-buffer-other-frame buffer)
1690       (if reply-or-forward
1691           (case wl-draft-reply-buffer-style
1692             (split
1693              (split-window-vertically)
1694              (other-window 1)
1695              (switch-to-buffer buffer))
1696             (keep
1697              (switch-to-buffer buffer))
1698             (full
1699              (delete-other-windows)
1700              (switch-to-buffer buffer))
1701             (t
1702              (if (functionp wl-draft-reply-buffer-style)
1703                  (funcall wl-draft-reply-buffer-style buffer)
1704                (error "Invalid value for wl-draft-reply-buffer-style"))))
1705         (case wl-draft-buffer-style
1706           (split
1707            (when (eq major-mode 'wl-summary-mode)
1708              (wl-summary-toggle-disp-msg 'off))
1709            (split-window-vertically)
1710            (other-window 1)
1711            (switch-to-buffer buffer))
1712           (keep
1713            (switch-to-buffer buffer))
1714           (full
1715            (delete-other-windows)
1716            (switch-to-buffer buffer))
1717           (t (if (functionp wl-draft-buffer-style)
1718                  (funcall wl-draft-buffer-style buffer)
1719                (error "Invalid value for wl-draft-buffer-style"))))))
1720     (auto-save-mode -1)
1721     (let (change-major-mode-hook)
1722       (wl-draft-mode))
1723     (set-buffer-multibyte t)            ; draft buffer is always multibyte.
1724     (make-local-variable 'truncate-partial-width-windows)
1725     (setq truncate-partial-width-windows nil)
1726     (setq truncate-lines wl-draft-truncate-lines)
1727     (setq wl-sent-message-via nil)
1728     (setq wl-sent-message-queued nil)
1729     (setq wl-draft-config-exec-flag t)
1730     (setq wl-draft-parent-folder (or parent-folder ""))
1731     (setq wl-draft-parent-number parent-number)
1732     (or (eq this-command 'wl-folder-write-current-folder)
1733         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1734     buffer))
1735
1736 (defun wl-draft-create-contents (header-alist)
1737   "header-alist' sample
1738 '(function  ;; funcall
1739   string    ;; insert string
1740   (symbol . string)    ;;  insert symbol-value: string
1741   (symbol . function)  ;;  (funcall) and if it returns string,
1742                        ;;  insert symbol-value: string
1743   (symbol . nil)       ;;  do nothing
1744   nil                  ;;  do nothing
1745   )"
1746   (unless (eq major-mode 'wl-draft-mode)
1747     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1748   (let ((halist header-alist)
1749         field value)
1750     (while halist
1751       (cond
1752        ;; function
1753        ((functionp (car halist)) (funcall (car halist)))
1754        ;; string
1755        ((stringp (car halist)) (insert (car halist) "\n"))
1756        ;; cons
1757        ((consp (car halist))
1758         (setq field (car (car halist)))
1759         (setq value (cdr (car halist)))
1760         (cond
1761          ((symbolp field)
1762           (cond
1763            ((eq field 'Body) ; body
1764             (insert value))
1765            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1766            ((functionp value)
1767             (let ((value-return (funcall value)))
1768               (when (stringp value-return)
1769                 (insert (symbol-name field) ": " value-return "\n"))))
1770            ((not value))
1771            (t
1772             (debug))))
1773          ;;
1774          ((not field))
1775          (t
1776           (debug))
1777          )))
1778       (setq halist (cdr halist)))))
1779
1780 (defun wl-draft-prepare-edit ()
1781   (unless (eq major-mode 'wl-draft-mode)
1782     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1783   (let (change-major-mode-hook)
1784     (wl-draft-editor-mode)
1785     (static-when (boundp 'auto-save-file-name-transforms)
1786       (make-local-variable 'auto-save-file-name-transforms)
1787       (setq auto-save-file-name-transforms
1788             (cons (list (concat (regexp-quote wl-draft-folder)
1789                                 "/\\([0-9]+\\)")
1790                         (concat (expand-file-name
1791                                  "auto-save-"
1792                                  (elmo-folder-msgdb-path
1793                                   (wl-draft-get-folder)))
1794                                 "\\1"))
1795                   auto-save-file-name-transforms)))
1796     (when wl-draft-write-file-function
1797       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1798     (wl-draft-overload-functions)
1799     (wl-highlight-headers 'for-draft)
1800     (wl-draft-save)
1801     (clear-visited-file-modtime)))
1802
1803 (defun wl-draft-decode-header ()
1804   (save-excursion
1805     (std11-narrow-to-header)
1806     (wl-draft-decode-message-in-buffer)
1807     (widen)))
1808
1809 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1810   (let ((content-type
1811          (or content-type
1812                 (std11-field-body "content-type")))
1813         (content-transfer-encoding
1814          (or content-transfer-encoding
1815              (std11-field-body "content-transfer-encoding")))
1816         delimline)
1817     (save-excursion
1818       (std11-narrow-to-header)
1819       (wl-draft-delete-field "content-type")
1820       (wl-draft-delete-field "content-transfer-encoding")
1821       (goto-char (point-max))
1822       (setq delimline (point-marker))
1823       (widen)
1824       (narrow-to-region delimline (point-max))
1825       (goto-char (point-min))
1826       (when content-type
1827         (insert "Content-type: " content-type "\n"))
1828       (when content-transfer-encoding
1829         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1830       (wl-draft-decode-message-in-buffer)
1831       (goto-char (point-min))
1832       (unless (re-search-forward "^$" (point-at-eol) t)
1833         (insert "\n"))
1834       (widen)
1835       delimline)))
1836
1837 ;;; subroutine for wl-draft-create-contents
1838 ;;; must be used in wl-draft-mode
1839 (defun wl-draft-check-new-line ()
1840   (if (not (= (preceding-char) ?\n))
1841       (insert ?\n)))
1842
1843 (defsubst wl-draft-trim-ccs (cc)
1844   (let ((field
1845          (if (functionp cc)
1846              (funcall cc)
1847            cc)))
1848     (if (and field
1849              (null (and wl-draft-delete-myself-from-bcc-fcc
1850                         (elmo-list-member
1851                          (mapcar 'wl-address-header-extract-address
1852                                  (append
1853                                   (wl-parse-addresses (std11-field-body "To"))
1854                                   (wl-parse-addresses (std11-field-body "Cc"))))
1855                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1856         field
1857       nil)))
1858
1859 (defsubst wl-draft-default-headers ()
1860   (list
1861    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1862                              (wl-address-header-extract-address
1863                               wl-from)))
1864    (cons 'User-Agent wl-generate-mailer-string-function)
1865    (cons 'Reply-To mail-default-reply-to)
1866    (cons 'Bcc (function
1867                (lambda ()
1868                  (wl-draft-trim-ccs
1869                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1870    (cons 'Fcc (function
1871                (lambda ()
1872                  (wl-draft-trim-ccs wl-fcc))))
1873    (cons 'Organization wl-organization)
1874    (and wl-auto-insert-x-face
1875         (file-exists-p wl-x-face-file)
1876         'wl-draft-insert-x-face-field-here) ;; allow nil
1877    mail-default-headers
1878    ;; check \n at th end of line for `mail-default-headers'
1879    'wl-draft-check-new-line
1880    ))
1881
1882 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1883   (save-excursion
1884     (if delimline
1885         (goto-char delimline)
1886       (goto-char (point-min))
1887       (if (search-forward "\n\n" nil t)
1888           (delete-backward-char 1)
1889         (goto-char (point-max))))
1890     (wl-draft-check-new-line)
1891     (put-text-property (point)
1892                        (progn
1893                          (insert mail-header-separator "\n")
1894                          (1- (point)))
1895                        'category 'mail-header-separator)
1896     (point)))
1897
1898 ;;;;;;;;;;;;;;;;
1899
1900 (defun wl-draft-elmo-nntp-send ()
1901   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1902         (elmo-nntp-default-user
1903          (or wl-nntp-posting-user elmo-nntp-default-user))
1904         (elmo-nntp-default-server
1905          (or wl-nntp-posting-server elmo-nntp-default-server))
1906         (elmo-nntp-default-port
1907          (or wl-nntp-posting-port elmo-nntp-default-port))
1908         (elmo-nntp-default-stream-type
1909          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1910         (elmo-nntp-default-function wl-nntp-posting-function)
1911         condition)
1912     (if (setq condition (cdr (elmo-string-matched-assoc
1913                               (std11-field-body "Newsgroups")
1914                               wl-nntp-posting-config-alist)))
1915         (if (stringp condition)
1916             (setq elmo-nntp-default-server condition)
1917           (while (car condition)
1918             (set (intern (format "elmo-nntp-default-%s"
1919                                  (symbol-name (caar condition))))
1920                  (cdar condition))
1921             (setq condition (cdr condition)))))
1922     (unless elmo-nntp-default-function
1923       (error "wl-draft-nntp-send: posting-function is nil"))
1924     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1925         (wl-draft-set-sent-message 'news 'unplugged
1926                                    (cons elmo-nntp-default-server
1927                                          elmo-nntp-default-port))
1928       (funcall elmo-nntp-default-function
1929                elmo-nntp-default-server (current-buffer))
1930       (wl-draft-set-sent-message 'news 'sent)
1931       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1932                               (std11-field-body "Newsgroups")
1933                               (std11-field-body "Message-ID")))))
1934
1935 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1936   "Generate clone of current buffer named NAME."
1937   (let ((editing-buffer (current-buffer)))
1938     (save-excursion
1939       (set-buffer (generate-new-buffer name))
1940       (erase-buffer)
1941       (wl-draft-mode)
1942       (wl-draft-editor-mode)
1943       (insert-buffer editing-buffer)
1944       (message "")
1945       (while local-variables
1946         (make-local-variable (car local-variables))
1947         (set (car local-variables)
1948              (save-excursion
1949                (set-buffer editing-buffer)
1950                (symbol-value (car local-variables))))
1951         (setq local-variables (cdr local-variables)))
1952       (current-buffer))))
1953
1954 (defun wl-draft-remove-text-plain-tag ()
1955   "Remove text/plain tag of mime-edit."
1956   (when (string= (mime-make-text-tag "plain")
1957                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1958     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1959
1960 (defun wl-draft-reedit (number)
1961   (let ((draft-folder (wl-draft-get-folder))
1962         (wl-draft-reedit t)
1963         (num 0)
1964         buffer change-major-mode-hook body-top)
1965     (setq buffer (get-buffer-create (format "%s/%d" wl-draft-folder
1966                                             number)))
1967     (if wl-draft-use-frame
1968         (switch-to-buffer-other-frame buffer)
1969       (switch-to-buffer buffer))
1970     (set-buffer buffer)
1971     (elmo-message-fetch draft-folder number (elmo-make-fetch-strategy 'entire))
1972     (elmo-delete-cr-buffer)
1973     (let ((mime-edit-again-ignored-field-regexp
1974            "^\\(Content-.*\\|Mime-Version\\):"))
1975       (wl-draft-decode-message-in-buffer))
1976     (setq body-top (wl-draft-insert-mail-header-separator))
1977     (auto-save-mode -1)
1978     (wl-draft-mode)
1979     (make-local-variable 'truncate-partial-width-windows)
1980     (setq truncate-partial-width-windows nil)
1981     (setq truncate-lines wl-draft-truncate-lines)
1982     (setq wl-sent-message-via nil)
1983     (setq wl-sent-message-queued nil)
1984     (wl-draft-config-info-operation number 'load)
1985     (goto-char (point-min))
1986     (wl-draft-overload-functions)
1987     (wl-draft-editor-mode)
1988     (static-when (boundp 'auto-save-file-name-transforms)
1989       (make-local-variable 'auto-save-file-name-transforms)
1990       (setq auto-save-file-name-transforms
1991             (cons (list (concat (regexp-quote wl-draft-folder)
1992                                 "/\\([0-9]+\\)")
1993                         (concat (expand-file-name
1994                                  "auto-save-"
1995                                  (elmo-folder-msgdb-path
1996                                   (wl-draft-get-folder)))
1997                                 "\\1"))
1998                   auto-save-file-name-transforms)))
1999     (setq buffer-file-name (buffer-name)
2000           wl-draft-parent-folder ""
2001           wl-draft-buffer-message-number number)
2002     (when wl-draft-write-file-function
2003       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2004     (wl-highlight-headers 'for-draft)
2005     (goto-char body-top)
2006     (run-hooks 'wl-draft-reedit-hook)
2007     (goto-char (point-max))
2008     buffer))
2009
2010 (defmacro wl-draft-body-goto-top ()
2011   (` (progn
2012        (goto-char (point-min))
2013        (if (re-search-forward mail-header-separator nil t)
2014            (forward-char 1)
2015          (goto-char (point-max))))))
2016
2017 (defmacro wl-draft-body-goto-bottom ()
2018   (` (goto-char (point-max))))
2019
2020 (defmacro wl-draft-config-body-goto-header ()
2021   (` (progn
2022        (goto-char (point-min))
2023        (if (re-search-forward mail-header-separator nil t)
2024            (beginning-of-line)
2025          (goto-char (point-max))))))
2026
2027 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2028   (let (content-value)
2029     (when (and content
2030                (stringp (setq content-value (eval content))))
2031       (insert content-value)
2032       (if newline (insert "\n")))))
2033
2034 (defun wl-draft-config-sub-body (content)
2035   (wl-draft-body-goto-top)
2036   (delete-region (point) (point-max))
2037   (wl-draft-config-sub-eval-insert content))
2038
2039 (defun wl-draft-config-sub-top (content)
2040   (wl-draft-body-goto-top)
2041   (wl-draft-config-sub-eval-insert content))
2042
2043 (defun wl-draft-config-sub-bottom (content)
2044   (wl-draft-body-goto-bottom)
2045   (wl-draft-config-sub-eval-insert content))
2046
2047 (defun wl-draft-config-sub-header (content)
2048   (wl-draft-config-body-goto-header)
2049   (wl-draft-config-sub-eval-insert content 'newline))
2050
2051 (defun wl-draft-config-sub-header-top (content)
2052   (goto-char (point-min))
2053   (wl-draft-config-sub-eval-insert content 'newline))
2054
2055 (defun wl-draft-config-sub-part-top (content)
2056   (goto-char (mime-edit-content-beginning))
2057   (wl-draft-config-sub-eval-insert content 'newline))
2058
2059 (defun wl-draft-config-sub-part-bottom (content)
2060   (goto-char (mime-edit-content-end))
2061   (wl-draft-config-sub-eval-insert content 'newline))
2062
2063 (defsubst wl-draft-config-sub-file (content)
2064   (let ((coding-system-for-read wl-cs-autoconv)
2065         (file (expand-file-name (eval content))))
2066     (if (file-exists-p file)
2067         (insert-file-contents file)
2068       (error "%s: no exists file" file))))
2069
2070 (defun wl-draft-config-sub-body-file (content)
2071   (wl-draft-body-goto-top)
2072   (delete-region (point) (point-max))
2073   (wl-draft-config-sub-file content))
2074
2075 (defun wl-draft-config-sub-top-file (content)
2076   (wl-draft-body-goto-top)
2077   (wl-draft-config-sub-file content))
2078
2079 (defun wl-draft-config-sub-bottom-file (content)
2080   (wl-draft-body-goto-bottom)
2081   (wl-draft-config-sub-file content))
2082
2083 (defun wl-draft-config-sub-header-file (content)
2084   (wl-draft-config-body-goto-header)
2085   (wl-draft-config-sub-file content))
2086
2087 (defun wl-draft-config-sub-template (content)
2088   (setq wl-draft-config-variables
2089         (wl-template-insert (eval content))))
2090
2091 (defun wl-draft-config-sub-x-face (content)
2092   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2093            (fboundp 'x-face-insert)) ; x-face.el is installed.
2094       (x-face-insert content)
2095     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2096
2097 (defsubst wl-draft-config-sub-func (field content)
2098   (let (func)
2099     (if (setq func (assq field wl-draft-config-sub-func-alist))
2100         (let (wl-draft-config-variables)
2101           (funcall (cdr func) content)
2102           ;; for wl-draft-config-sub-template
2103           (cons t wl-draft-config-variables)))))
2104
2105 (defsubst wl-draft-config-exec-sub (clist)
2106   (let (config local-variables)
2107     (while clist
2108       (setq config (car clist))
2109       (cond
2110        ((functionp config)
2111         (funcall config))
2112        ((consp config)
2113         (let ((field (car config))
2114               (content (cdr config))
2115               ret-val)
2116           (cond
2117            ((stringp field)
2118             (wl-draft-replace-field field (eval content) t))
2119            ((setq ret-val (wl-draft-config-sub-func field content))
2120             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2121                 (wl-append local-variables (cdr ret-val))))
2122            ((boundp field) ;; variable
2123             (make-local-variable field)
2124             (set field (eval content))
2125             (wl-append local-variables (list field)))
2126            (t
2127             (error "%s: not variable" field)))))
2128        (t
2129         (error "%s: not supported type" config)))
2130       (setq clist (cdr clist)))
2131     local-variables))
2132
2133 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2134   "Change headers in draft preparation time."
2135   (interactive)
2136   (unless wl-draft-reedit
2137     (let ((config-alist
2138            (or config-alist
2139                (and (boundp 'wl-draft-prepared-config-alist)
2140                     wl-draft-prepared-config-alist)     ;; For compatible.
2141                wl-draft-config-alist)))
2142       (if config-alist
2143           (wl-draft-config-exec config-alist reply-buf)))))
2144
2145 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2146   "Change headers according to the value of `wl-draft-config-alist'.
2147 Automatically applied in draft sending time."
2148   (interactive)
2149   (let ((case-fold-search t)
2150         (alist (or config-alist wl-draft-config-alist))
2151         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2152                                       wl-draft-reply-buffer)))
2153         (local-variables wl-draft-config-variables)
2154         key clist found)
2155     (when (and (or (interactive-p)
2156                    wl-draft-config-exec-flag)
2157                alist)
2158       (save-excursion
2159         (catch 'done
2160           (while alist
2161             (setq key (caar alist)
2162                   clist (cdar alist))
2163             (cond
2164              ((eq key 'reply)
2165               (when (and
2166                      reply-buf
2167                      (save-excursion
2168                        (set-buffer reply-buf)
2169                        (save-restriction
2170                          (std11-narrow-to-header)
2171                          (goto-char (point-min))
2172                          (re-search-forward (car clist) nil t))))
2173                 (wl-draft-config-exec-sub (cdr clist))
2174                 (setq found t)))
2175              ((stringp key)
2176               (when (save-restriction
2177                       (std11-narrow-to-header mail-header-separator)
2178                       (goto-char (point-min))
2179                       (re-search-forward key nil t))
2180                 (wl-append local-variables
2181                            (wl-draft-config-exec-sub clist))
2182                 (setq found t)))
2183              ((eval key)
2184               (wl-append local-variables
2185                          (wl-draft-config-exec-sub clist))
2186               (setq found t)))
2187             (if (and found wl-draft-config-matchone)
2188                 (throw 'done t))
2189             (setq alist (cdr alist)))))
2190       (if found
2191           (setq wl-draft-config-exec-flag nil))
2192       (run-hooks 'wl-draft-config-exec-hook)
2193       (put-text-property (point-min)(point-max) 'face nil)
2194       (wl-highlight-message (point-min)(point-max) t)
2195       (setq wl-draft-config-variables
2196             (elmo-uniq-list local-variables)))))
2197
2198 (defun wl-draft-replace-field (field content &optional add)
2199   (save-excursion
2200     (save-restriction
2201       (let ((case-fold-search t)
2202             (inhibit-read-only t) ;; added by teranisi.
2203             beg)
2204         (std11-narrow-to-header mail-header-separator)
2205         (goto-char (point-min))
2206         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2207             (if content
2208                 ;; replace field
2209                 (progn
2210                   (setq beg (point))
2211                   (re-search-forward "^[^ \t]" nil 'move)
2212                   (beginning-of-line)
2213                   (skip-chars-backward "\n")
2214                   (delete-region beg (point))
2215                   (insert " " content))
2216               ;; delete field
2217               (save-excursion
2218                 (beginning-of-line)
2219                 (setq beg (point)))
2220               (re-search-forward "^[^ \t]" nil 'move)
2221               (beginning-of-line)
2222               (delete-region beg (point)))
2223           (when (and add content)
2224             ;; add field
2225             (goto-char (point-max))
2226             (insert (concat field ": " content "\n"))))))))
2227
2228 (defsubst wl-draft-config-info-filename (number msgdb-dir)
2229   (expand-file-name
2230    (format "%s-%d" wl-draft-config-save-filename number)
2231    msgdb-dir))
2232
2233 (defun wl-draft-config-info-operation (msg operation)
2234   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2235          (filename (wl-draft-config-info-filename msg msgdb-dir))
2236          element alist variable)
2237     (cond
2238      ((eq operation 'save)
2239       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2240         (while (setq variable (pop variables))
2241           (when (boundp variable)
2242             (wl-append alist
2243                        (list (cons variable (eval variable))))))
2244         (elmo-object-save filename alist)))
2245      ((eq operation 'load)
2246       (setq alist (elmo-object-load filename))
2247       (while (setq element (pop alist))
2248         (set (make-local-variable (car element)) (cdr element))
2249         (wl-append wl-draft-config-variables (list (car element)))))
2250      ((eq operation 'delete)
2251       (if (file-exists-p filename)
2252           (delete-file filename))))))
2253
2254 (defun wl-draft-queue-info-operation (msg operation
2255                                           &optional add-sent-message-via)
2256   (let* ((msgdb-dir (elmo-folder-msgdb-path
2257                      (wl-folder-get-elmo-folder wl-queue-folder)))
2258          (filename
2259           (expand-file-name
2260            (format "%s-%d" wl-draft-queue-save-filename msg)
2261            msgdb-dir))
2262          element alist variable)
2263     (cond
2264      ((eq operation 'save)
2265       (let ((variables (elmo-uniq-list
2266                         (append wl-draft-queue-save-variables
2267                                 wl-draft-config-variables
2268                                 (list 'wl-draft-fcc-list)))))
2269         (if add-sent-message-via
2270             (progn
2271               (push 'wl-sent-message-queued variables)
2272               (push 'wl-sent-message-via variables)))
2273         (while (setq variable (pop variables))
2274           (when (boundp variable)
2275             (wl-append alist
2276                        (list (cons variable (eval variable))))))
2277         (elmo-object-save filename alist)))
2278      ((eq operation 'load)
2279       (setq alist (elmo-object-load filename))
2280       (while (setq element (pop alist))
2281         (set (make-local-variable (car element)) (cdr element))))
2282      ((eq operation 'get-sent-via)
2283       (setq alist (elmo-object-load filename))
2284       (cdr (assq 'wl-sent-message-via alist)))
2285      ((eq operation 'delete)
2286       (if (file-exists-p filename)
2287           (delete-file filename))))))
2288
2289 (defun wl-draft-queue-append (wl-sent-message-via)
2290   (if wl-draft-verbose-send
2291       (message "Queuing..."))
2292   (let ((send-buffer (current-buffer))
2293         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2294         (message-id (std11-field-body "Message-ID")))
2295     (if (elmo-folder-append-buffer folder)
2296         (progn
2297           (wl-draft-queue-info-operation
2298            (car (elmo-folder-status folder))
2299            'save wl-sent-message-via)
2300           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2301           (when wl-draft-verbose-send
2302             (setq wl-draft-verbose-msg "Queuing...")
2303             (message "Queuing...done")))
2304       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2305       (error "Queuing failed"))))
2306
2307 (defun wl-draft-queue-flush ()
2308   "Flush draft queue."
2309   (interactive)
2310   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2311          (msgs2 (progn
2312                   (elmo-folder-open-internal queue-folder)
2313                   (elmo-folder-list-messages queue-folder)))
2314          (i 0)
2315          (performed 0)
2316          (wl-draft-queue-flushing t)
2317          msgs failure len buffer msgid sent-via)
2318     ;; get plugged send message
2319     (while msgs2
2320       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2321       (catch 'found
2322         (while sent-via
2323           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2324                      (or (not (nth 2 (car sent-via)))
2325                          (elmo-plugged-p
2326                           (car (nth 2 (car sent-via)))
2327                           (cdr (nth 2 (car sent-via))))))
2328             (wl-append msgs (list (car msgs2)))
2329             (throw 'found t))
2330           (setq sent-via (cdr sent-via))))
2331       (setq msgs2 (cdr msgs2)))
2332     (when (> (setq len (length msgs)) 0)
2333       (if (elmo-y-or-n-p (format
2334                           "%d message(s) are in the sending queue.  Send now? "
2335                           len)
2336                          (not elmo-dop-flush-confirm) t)
2337           (progn
2338             (save-excursion
2339               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2340               (set-buffer buffer)
2341               (while msgs
2342                 ;; reset buffer local variables
2343                 (kill-all-local-variables)
2344                 (erase-buffer)
2345                 (setq i (+ 1 i)
2346                       failure nil)
2347                 (setq wl-sent-message-via nil)
2348                 (wl-draft-queue-info-operation (car msgs) 'load)
2349                 (elmo-message-fetch queue-folder
2350                                     (car msgs)
2351                                     (elmo-make-fetch-strategy 'entire))
2352                 (condition-case err
2353                     (setq failure (funcall
2354                                    wl-draft-queue-flush-send-function
2355                                    (format "Sending (%d/%d)..." i len)))
2356 ;;;               (wl-draft-raw-send nil nil
2357 ;;;                                  (format "Sending (%d/%d)..." i len))
2358                   (error
2359                    (elmo-display-error err t)
2360                    (setq failure t))
2361                   (quit
2362                    (setq failure t)))
2363                 (if (eq wl-sent-message-modified 'requeue)
2364                     (progn
2365                       (elmo-folder-delete-messages
2366                        queue-folder (cons (car msgs) nil))
2367                       (wl-draft-queue-info-operation (car msgs) 'delete))
2368                   (unless failure
2369                     (elmo-folder-delete-messages
2370                      queue-folder (cons (car msgs) nil))
2371                     (wl-draft-queue-info-operation (car msgs) 'delete)
2372                     (setq performed (+ 1 performed))))
2373                 (setq msgs (cdr msgs)))
2374               (kill-buffer buffer)
2375               (message "%d message(s) are sent." performed)))
2376         (message "%d message(s) are remained to be sent." len))
2377       (elmo-folder-close queue-folder)
2378       len)))
2379
2380 (defun wl-jump-to-draft-buffer (&optional arg)
2381   "Jump to the draft if exists."
2382   (interactive "P")
2383   (if arg
2384       (wl-jump-to-draft-folder)
2385     (let ((draft-bufs (wl-collect-draft))
2386           buf)
2387       (cond
2388        ((null draft-bufs)
2389         (message "No draft buffer exist."))
2390        (t
2391         (setq draft-bufs
2392               (sort (mapcar 'buffer-name draft-bufs)
2393                     (function (lambda (a b)
2394                                 (not (string< a b))))))
2395         (if (setq buf (cdr (member (buffer-name)
2396                                    draft-bufs)))
2397             (setq buf (car buf))
2398           (setq buf (car draft-bufs)))
2399         (switch-to-buffer buf))))))
2400
2401 (defun wl-jump-to-draft-folder ()
2402   (let ((msgs (reverse (elmo-folder-list-messages (wl-draft-get-folder))))
2403         (mybuf (buffer-name))
2404         msg buf)
2405     (if (not msgs)
2406         (message "No draft message exist.")
2407       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2408           (setq msg (cadr (memq
2409                            (string-to-int (substring mybuf (match-end 0)))
2410                            msgs))))
2411       (or msg (setq msg (car msgs)))
2412       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2413           (switch-to-buffer buf)
2414         (wl-draft-reedit msg)))))
2415
2416 (defun wl-draft-highlight-and-recenter (&optional n)
2417   (interactive "P")
2418   (when wl-highlight-body-too
2419     (let ((modified (buffer-modified-p)))
2420       (unwind-protect
2421           (progn
2422             (put-text-property (point-min) (point-max) 'face nil)
2423             (wl-highlight-message (point-min) (point-max) t))
2424         (set-buffer-modified-p modified))))
2425   (static-when (featurep 'xemacs)
2426     ;; Cope with one of many XEmacs bugs that `recenter' takes
2427     ;; a long time if there are a lot of invisible text lines.
2428     (redraw-frame))
2429   (recenter n))
2430
2431 ;; insert element from history
2432 (defvar wl-draft-current-history-position nil)
2433 (defvar wl-draft-history-backup-word "")
2434
2435 (defun wl-draft-previous-history-element (n)
2436   (interactive "p")
2437   (let (bol history beg end prev new)
2438     (when (and (not (wl-draft-on-field-p))
2439                (< (point)
2440                   (save-excursion
2441                     (goto-char (point-min))
2442                     (search-forward (concat "\n" mail-header-separator "\n") nil 0)
2443                     (point)))
2444                (save-excursion
2445                  (beginning-of-line)
2446                  (while (and (looking-at "^[ \t]")
2447                              (not (= (point) (point-min))))
2448                    (forward-line -1))
2449                  (cond
2450                   ((looking-at wl-folder-complete-header-regexp)
2451                    (and (boundp 'wl-read-folder-history)
2452                         (setq history wl-read-folder-history)))
2453                   ;; ((looking-at wl-address-complete-header-regexp)
2454                   ;;  (setq history .....))
2455                   (t
2456                    nil)))
2457                (eolp))
2458       (setq bol (save-excursion (beginning-of-line) (point)))
2459       (cond ((and (or (eq last-command 'wl-draft-previous-history-element)
2460                       (eq last-command 'wl-draft-next-history-element))
2461                   wl-draft-current-history-position)
2462              (setq end (point))
2463              (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2464                  (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2465                  (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t))
2466              (setq prev (match-string 1))
2467              (goto-char (match-beginning 1))
2468              (setq beg (point))
2469              (if (cond ((< n 0)
2470                         (>= (+ n wl-draft-current-history-position) 0))
2471                        ((> n 0)
2472                         (<= (+ n wl-draft-current-history-position)
2473                             (length history))))
2474                  (progn
2475                    (setq wl-draft-current-history-position
2476                          (+ n wl-draft-current-history-position))
2477                    (setq new
2478                          (nth wl-draft-current-history-position
2479                               (append (list wl-draft-history-backup-word)
2480                                       history)))
2481                    (delete-region beg end)
2482                    (insert new))
2483                (goto-char end)
2484                (cond ((< n 0)
2485                       (message "End of history; no next item"))
2486                      ((> n 0)
2487                       (message "Beginning of history; no preceding item")))))
2488             ((and (> n 0)
2489                   (save-excursion
2490                     (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2491                         (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2492                         (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t)))
2493                   (car history))
2494              (setq wl-draft-current-history-position 1)
2495              (setq wl-draft-history-backup-word (match-string 1))
2496              (delete-region (match-beginning 1) (match-end 1))
2497              (insert (car history)))
2498             (t
2499              (setq wl-draft-current-history-position nil))))))
2500
2501 (defun wl-draft-next-history-element (n)
2502   (interactive "p")
2503   (wl-draft-previous-history-element (- n)))
2504
2505 ;;;; user-agent support by Sen Nagata
2506
2507 ;; this appears to be necessarily global...
2508 (defvar wl-user-agent-compose-p nil)
2509 (defvar wl-user-agent-headers-and-body-alist nil)
2510
2511 ;; this should be a generic function for mail-mode -- i wish there was
2512 ;; something like it in sendmail.el
2513 (defun wl-user-agent-insert-header (header-name header-value)
2514   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2515   ;; it seems like overriding existing headers is acceptable -- should
2516   ;; we provide an option?
2517
2518   ;; plan was: unfold header (might be folded), remove existing value, insert
2519   ;;           new value
2520   ;; wl doesn't seem to fold header lines yet anyway :-)
2521
2522   (let ((kill-whole-line t)
2523         end-of-line)
2524     (mail-position-on-field (capitalize header-name))
2525     (setq end-of-line (point))
2526     (beginning-of-line)
2527     (re-search-forward ":" end-of-line)
2528     (insert (concat " " header-value "\n"))
2529     (kill-line)))
2530
2531 ;; this should be a generic function for mail-mode -- i wish there was
2532 ;; something like it in sendmail.el
2533 ;;
2534 ;; ** haven't dealt w/ case where the body is already set **
2535 (defun wl-user-agent-insert-body (body-text)
2536   "Insert a body of text, BODY-TEXT, into a message."
2537   ;; code defensively... :-P
2538   (goto-char (point-min))
2539   (search-forward mail-header-separator)
2540   (forward-line 1)
2541   (insert body-text))
2542
2543 ;;;###autoload
2544 (defun wl-user-agent-compose (&optional to subject other-headers continue
2545                                         switch-function yank-action
2546                                         send-actions)
2547   "Support the `compose-mail' interface for wl.
2548 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2549 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2550 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2551
2552   (unless (featurep 'wl)
2553     (require 'wl))
2554   (or switch-function
2555       (setq switch-function 'keep))
2556   ;; protect these -- to and subject get bound at some point, so it looks
2557   ;; to be necessary to protect the values used w/in
2558   (let ((wl-user-agent-headers-and-body-alist other-headers)
2559         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2560         (wl-draft-buffer-style switch-function))
2561     (if to
2562         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2563                                    'ignore-case)
2564             (setcdr
2565              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2566                                     'ignore-case)
2567              to)
2568           (setq wl-user-agent-headers-and-body-alist
2569                 (cons (cons "to" to)
2570                       wl-user-agent-headers-and-body-alist))))
2571     (if subject
2572         (if (wl-string-match-assoc "subject"
2573                                    wl-user-agent-headers-and-body-alist
2574                                    'ignore-case)
2575             (setcdr
2576              (wl-string-match-assoc "subject"
2577                                     wl-user-agent-headers-and-body-alist
2578                                     'ignore-case)
2579              subject)
2580           (setq wl-user-agent-headers-and-body-alist
2581                 (cons (cons "subject" subject)
2582                       wl-user-agent-headers-and-body-alist))))
2583     ;; i think this is what we want to use...
2584     (unwind-protect
2585         (progn
2586           ;; tell the hook-function to do its stuff
2587           (setq wl-user-agent-compose-p t)
2588           ;; because to get the hooks working, wl-draft has to think it has
2589           ;; been called interactively
2590           (call-interactively 'wl-draft))
2591       (setq wl-user-agent-compose-p nil))))
2592
2593 (defun wl-user-agent-compose-internal ()
2594   "Manipulate headers and/or a body of a draft message."
2595   ;; being called from wl-user-agent-compose?
2596   (if wl-user-agent-compose-p
2597       (progn
2598         ;; insert headers
2599         (let ((headers wl-user-agent-headers-and-body-alist)
2600               (case-fold-search t))
2601           (while headers
2602             ;; skip body
2603             (if (not (string-match "^body$" (car (car headers))))
2604                 (wl-user-agent-insert-header
2605                  (car (car headers)) (cdr (car headers)))
2606               t)
2607             (setq headers (cdr headers))))
2608         ;; highlight headers (from wl-draft in wl-draft.el)
2609         (wl-highlight-headers 'for-draft)
2610         ;; insert body
2611         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2612                                    'ignore-case)
2613             (wl-user-agent-insert-body
2614              (cdr (wl-string-match-assoc
2615                    "body"
2616                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2617     t))
2618
2619 (defun wl-draft-setup-parent-flag (flag)
2620   "Setup a FLAG for parent message."
2621   (when (and (> (length wl-draft-parent-folder) 0)
2622              wl-draft-parent-number)
2623     (setq wl-draft-parent-flag flag)
2624     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)))
2625
2626 (defun wl-draft-buffer-change-number (old-number new-number)
2627   (when (eq wl-draft-buffer-message-number old-number)
2628     (setq wl-draft-buffer-message-number new-number)
2629     (rename-buffer (format "%s/%d" wl-draft-folder new-number) t)
2630     (setq buffer-file-name (buffer-name))
2631     (set-buffer-modified-p nil)))
2632
2633 (defun wl-draft-rename-saved-config (old-number new-number)
2634   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2635          (old-name (wl-draft-config-info-filename old-number msgdb-dir))
2636          (new-name (wl-draft-config-info-filename new-number msgdb-dir)))
2637     (when (file-exists-p old-name)
2638       (rename-file old-name new-name 'ok-if-already-exists))))
2639
2640 (require 'product)
2641 (product-provide (provide 'wl-draft) (require 'wl-version))
2642
2643 ;;; wl-draft.el ends here