1 ;;; elmo-multi.el --- Multiple Folder Interface for ELMO.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
6 ;; Keywords: mail, net news
8 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
31 (eval-when-compile (require 'cl))
34 (require 'elmo-signal)
37 (defvar elmo-multi-divide-number 100000
38 "*Multi divider number.")
42 (luna-define-class elmo-multi-folder (elmo-folder)
43 (children divide-number))
44 (luna-define-internal-accessors 'elmo-multi-folder))
46 (defmacro elmo-multi-real-folder-number (folder number)
47 "Returns a cons cell of real FOLDER and NUMBER."
50 (elmo-multi-folder-divide-number-internal (, folder)))
51 1) (elmo-multi-folder-children-internal (, folder)))
52 (% (, number) (elmo-multi-folder-divide-number-internal
55 (luna-define-method elmo-folder-initialize ((folder
58 (while (> (length (car (setq name (elmo-parse-token name ",")))) 0)
59 (elmo-multi-folder-set-children-internal
61 (nconc (elmo-multi-folder-children-internal
63 (list (elmo-make-folder (car name)))))
64 (setq name (cdr name))
65 (when (and (> (length name) 0)
66 (eq (aref name 0) ?,))
67 (setq name (substring name 1))))
68 (elmo-multi-folder-set-divide-number-internal
70 elmo-multi-divide-number)
71 (elmo-multi-connect-signals folder)
74 (defun elmo-multi-connect-signals (folder)
76 nil 'flag-changing folder
77 (elmo-define-signal-handler (folder child number old-flags new-flags)
78 (elmo-emit-signal 'flag-changing folder
79 (car (elmo-multi-map-numbers folder child (list number)))
81 (elmo-define-signal-filter (folder sender)
82 (memq sender (elmo-multi-folder-children-internal folder))))
84 nil 'flag-changed folder
85 (elmo-define-signal-handler (folder child numbers)
86 (elmo-emit-signal 'flag-changed folder
87 (elmo-multi-map-numbers folder child numbers)))
88 (elmo-define-signal-filter (folder sender)
89 (memq sender (elmo-multi-folder-children-internal folder))))
91 nil 'cache-changed folder
92 (elmo-define-signal-handler (folder child number)
95 (car (elmo-multi-map-numbers folder child (list number)))))
96 (elmo-define-signal-filter (folder sender)
97 (memq sender (elmo-multi-folder-children-internal folder))))
99 nil 'update-overview folder
100 (elmo-define-signal-handler (folder child number)
102 'update-overview folder
103 (car (elmo-multi-map-numbers folder child (list number)))))
104 (elmo-define-signal-filter (folder sender)
105 (memq sender (elmo-multi-folder-children-internal folder)))))
107 (defun elmo-multi-map-numbers (folder child numbers)
108 (let ((multi (catch 'found
109 (let ((children (elmo-multi-folder-children-internal folder))
112 (setq index (1+ index))
113 (when (eq (car children) child)
114 (throw 'found index))
115 (setq children (cdr children)))))))
117 (let ((offset (* (elmo-multi-folder-divide-number-internal folder)
119 (mapcar (lambda (number) (+ offset number))
123 (luna-define-method elmo-folder-open-internal ((folder elmo-multi-folder))
124 (dolist (fld (elmo-multi-folder-children-internal folder))
125 (elmo-folder-open-internal fld)))
127 (luna-define-method elmo-folder-check ((folder elmo-multi-folder))
128 (dolist (fld (elmo-multi-folder-children-internal folder))
129 (elmo-folder-check fld)))
131 (luna-define-method elmo-folder-close-internal ((folder elmo-multi-folder))
132 (dolist (fld (elmo-multi-folder-children-internal folder))
133 (elmo-folder-close-internal fld)))
135 (luna-define-method elmo-folder-close :after ((folder elmo-multi-folder))
136 (dolist (fld (elmo-multi-folder-children-internal folder))
137 (elmo-folder-set-msgdb-internal fld nil)))
139 (luna-define-method elmo-folder-synchronize ((folder elmo-multi-folder)
146 (dolist (element (elmo-multi-split-numbers folder mask))
148 (elmo-folder-synchronize (car element)
153 (dolist (fld (elmo-multi-folder-children-internal folder))
154 (elmo-folder-synchronize fld disable-killed ignore-msgdb no-check)))
157 (luna-define-method elmo-folder-expand-msgdb-path ((folder
159 (expand-file-name (elmo-replace-string-as-filename
160 (elmo-folder-name-internal folder))
161 (expand-file-name "multi"
162 elmo-msgdb-directory)))
164 (luna-define-method elmo-folder-newsgroups ((folder elmo-multi-folder))
167 'elmo-folder-newsgroups
168 (elmo-multi-folder-children-internal folder))))
170 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-multi-folder))
173 'elmo-folder-get-primitive-list
174 (elmo-multi-folder-children-internal folder))))
176 (luna-define-method elmo-folder-contains-type ((folder elmo-multi-folder) type)
177 (let ((children (elmo-multi-folder-children-internal folder))
180 (when (elmo-folder-contains-type (car children) type)
183 (setq children (cdr children)))
186 (luna-define-method elmo-message-folder ((folder elmo-multi-folder)
188 (nth (- (/ number (elmo-multi-folder-divide-number-internal folder)) 1)
189 (elmo-multi-folder-children-internal folder)))
191 (luna-define-method elmo-message-cached-p ((folder elmo-multi-folder) number)
192 (let ((pair (elmo-multi-real-folder-number folder number)))
193 (elmo-message-cached-p (car pair) (cdr pair))))
195 (luna-define-method elmo-message-set-cached ((folder elmo-multi-folder)
197 (let ((pair (elmo-multi-real-folder-number folder number)))
198 (elmo-message-set-cached (car pair) (cdr pair) cached)))
200 (luna-define-method elmo-find-fetch-strategy ((folder elmo-multi-folder)
205 (let ((pair (elmo-multi-real-folder-number folder number)))
206 (elmo-find-fetch-strategy (car pair)
209 require-entireness)))
211 (luna-define-method elmo-message-number ((folder elmo-multi-folder)
213 (let ((children (elmo-multi-folder-children-internal folder))
216 (when (setq match (elmo-message-number (car children) message-id))
218 (setq children (cdr children)))
221 (luna-define-method elmo-message-entity ((folder elmo-multi-folder) key)
224 (let* ((pair (elmo-multi-real-folder-number folder key))
225 (entity (elmo-message-entity (car pair) (cdr pair))))
227 (setq entity (elmo-message-copy-entity entity))
228 (elmo-message-entity-set-number entity key)
231 (let ((children (elmo-multi-folder-children-internal folder))
235 (setq cur-number (+ cur-number 1))
236 (when (setq match (elmo-message-entity (car children) key))
237 (setq match (elmo-message-copy-entity match))
238 (elmo-message-entity-set-number
240 (+ (* (elmo-multi-folder-divide-number-internal folder)
242 (elmo-message-entity-number match)))
244 (setq children (cdr children)))
247 (luna-define-method elmo-message-entity-parent ((folder
248 elmo-multi-folder) entity)
251 (elmo-message-entity-field entity 'references)))
253 (luna-define-method elmo-message-field ((folder elmo-multi-folder)
254 number field &optional type)
255 (let ((pair (elmo-multi-real-folder-number folder number)))
256 (elmo-message-field (car pair) (cdr pair) field type)))
258 (luna-define-method elmo-message-flag-available-p ((folder
259 elmo-multi-folder) number
261 (let ((pair (elmo-multi-real-folder-number folder number)))
262 (elmo-message-flag-available-p (car pair) (cdr pair) flag)))
264 (luna-define-method elmo-message-flags ((folder elmo-multi-folder) number)
265 (let ((pair (elmo-multi-real-folder-number folder number)))
266 (elmo-message-flags (car pair) (cdr pair))))
268 (defun elmo-multi-split-numbers (folder numlist &optional as-is)
269 (let ((numbers (sort numlist '<))
270 (folders (elmo-multi-folder-children-internal folder))
271 (divider (elmo-multi-folder-divide-number-internal folder))
273 one-list numbers-list)
275 (setq one-list (list (nth cur-number folders)))
276 (setq cur-number (+ cur-number 1))
280 (* divider cur-number))
282 (setq one-list (nconc
288 (* divider cur-number))))))
289 (setq numbers (cdr numbers)))
290 (setq numbers-list (nconc numbers-list (list one-list))))
293 (luna-define-method elmo-folder-process-crosspost ((folder elmo-multi-folder))
294 (dolist (child (elmo-multi-folder-children-internal folder))
295 (elmo-folder-process-crosspost child)))
297 (luna-define-method elmo-message-fetch ((folder elmo-multi-folder)
299 &optional unseen section)
300 (let ((pair (elmo-multi-real-folder-number folder number)))
301 (elmo-message-fetch (car pair) (cdr pair) strategy unseen section)))
303 (luna-define-method elmo-folder-delete-messages ((folder elmo-multi-folder)
305 (dolist (element (elmo-multi-split-numbers folder numbers))
307 (elmo-folder-delete-messages (car element) (cdr element))))
310 (luna-define-method elmo-folder-detach-messages ((folder elmo-multi-folder)
312 (dolist (element (elmo-multi-split-numbers folder numbers))
314 (elmo-folder-detach-messages (car element) (cdr element))))
317 (luna-define-method elmo-folder-diff ((folder elmo-multi-folder))
318 (elmo-multi-folder-diff folder))
320 (defun elmo-multi-folder-diff (folder)
325 (dolist (child (elmo-multi-folder-children-internal folder))
326 (setq diff (elmo-folder-diff child))
328 (setq value (elmo-diff-new diff))
331 (setq value (elmo-diff-unread diff))
334 (setq value (elmo-diff-all diff))
337 (list news unreads alls)
340 (luna-define-method elmo-folder-list-messages
341 ((folder elmo-multi-folder) &optional visible-only in-msgdb)
342 (let* ((flds (elmo-multi-folder-children-internal folder))
346 (setq cur-number (+ cur-number 1))
347 (setq list (elmo-folder-list-messages (car flds) visible-only in-msgdb))
355 (* (elmo-multi-folder-divide-number-internal
356 folder) cur-number) x)))
358 (setq flds (cdr flds)))
361 (luna-define-method elmo-folder-exists-p ((folder elmo-multi-folder))
362 (let ((flds (elmo-multi-folder-children-internal folder)))
365 (unless (elmo-folder-exists-p (car flds))
367 (setq flds (cdr flds)))
370 (luna-define-method elmo-folder-creatable-p ((folder elmo-multi-folder))
371 (let ((flds (elmo-multi-folder-children-internal folder)))
374 (when (and (elmo-folder-creatable-p (car flds))
375 (not (elmo-folder-exists-p (car flds))))
376 ;; If folder already exists, don't to `creatable'.
377 ;; Because this function is called, when folder doesn't exists.
378 (throw 'creatable t))
379 (setq flds (cdr flds)))
382 (luna-define-method elmo-folder-create ((folder elmo-multi-folder))
383 (let ((flds (elmo-multi-folder-children-internal folder)))
386 (unless (or (elmo-folder-exists-p (car flds))
387 (elmo-folder-create (car flds)))
389 (setq flds (cdr flds)))
392 (luna-define-method elmo-folder-search ((folder elmo-multi-folder)
393 condition &optional numbers)
394 (let* ((flds (elmo-multi-folder-children-internal folder))
398 (setq numbers (or numbers
399 (elmo-folder-list-messages folder)))
401 (setq cur-number (+ cur-number 1))
402 (setq matches (append matches
407 (* (elmo-multi-folder-divide-number-internal
412 (car flds) condition))))
413 (setq flds (cdr flds)))
414 (elmo-list-filter numbers matches)))
416 (luna-define-method elmo-message-use-cache-p ((folder elmo-multi-folder)
418 (let ((pair (elmo-multi-real-folder-number folder number)))
419 (elmo-message-use-cache-p (car pair) (cdr pair))))
421 (luna-define-method elmo-message-file-p ((folder elmo-multi-folder) number)
422 (let ((pair (elmo-multi-real-folder-number folder number)))
423 (elmo-message-file-p (car pair) (cdr pair))))
425 (luna-define-method elmo-message-file-name ((folder elmo-multi-folder) number)
426 (let ((pair (elmo-multi-real-folder-number folder number)))
427 (elmo-message-file-name (car pair) (cdr pair))))
429 (luna-define-method elmo-folder-plugged-p ((folder elmo-multi-folder))
430 (let ((flds (elmo-multi-folder-children-internal folder)))
433 (unless (elmo-folder-plugged-p (car flds))
434 (throw 'plugged nil))
435 (setq flds (cdr flds)))
438 (luna-define-method elmo-folder-set-plugged ((folder elmo-multi-folder)
440 (let ((flds (elmo-multi-folder-children-internal folder)))
442 (elmo-folder-set-plugged fld plugged add))))
444 (defun elmo-multi-folder-numbers-list-assoc (folder folder-numbers)
446 (while folder-numbers
447 (when (string= (elmo-folder-name-internal (car (car folder-numbers)))
448 (elmo-folder-name-internal folder))
449 (setq ent (car folder-numbers)
451 (setq folder-numbers (cdr folder-numbers)))
454 (defun elmo-multi-make-folder-numbers-list (folder msgs)
455 (let ((msg-list msgs)
459 (when (and (numberp (car msg-list))
460 (> (car msg-list) 0))
461 (setq pair (elmo-multi-real-folder-number folder (car msg-list)))
462 (if (setq fld-list (elmo-multi-folder-numbers-list-assoc
465 (setcdr fld-list (cons (cdr pair) (cdr fld-list)))
466 (setq ret-val (cons (cons (car pair) (list (cdr pair))) ret-val))))
467 (setq msg-list (cdr msg-list)))
470 (luna-define-method elmo-folder-set-flag ((folder elmo-multi-folder)
474 (dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
475 (elmo-folder-set-flag (car pair) (cdr pair) flag is-local)))
477 (luna-define-method elmo-folder-unset-flag ((folder elmo-multi-folder)
481 (dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
483 (elmo-folder-unset-flag (car pair) (cdr pair) flag is-local))))
485 (luna-define-method elmo-folder-list-flagged ((folder elmo-multi-folder)
490 (dolist (child (elmo-multi-folder-children-internal folder))
491 (setq cur-number (+ cur-number 1)
499 (* (elmo-multi-folder-divide-number-internal folder)
501 (elmo-folder-list-flagged child flag in-msgdb)))))
504 (luna-define-method elmo-folder-commit ((folder elmo-multi-folder))
505 (dolist (child (elmo-multi-folder-children-internal folder))
506 (elmo-folder-commit child)))
508 (luna-define-method elmo-folder-length ((folder elmo-multi-folder))
510 (dolist (child (elmo-multi-folder-children-internal folder))
511 (setq sum (+ sum (elmo-folder-length child))))
514 (luna-define-method elmo-folder-count-flags ((folder elmo-multi-folder))
515 (let (flag-alist element)
516 (dolist (child (elmo-multi-folder-children-internal folder))
517 (dolist (pair (elmo-folder-count-flags child))
518 (if (setq element (assq (car pair) flag-alist))
519 (setcdr element (+ (cdr element) (cdr pair)))
520 (setq flag-alist (cons pair flag-alist)))))
524 (product-provide (provide 'elmo-multi) (require 'elmo-version))
526 ;;; elmo-multi.el ends here