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 (elmo-message-entity-set-number (elmo-message-copy-entity entity)
230 (let ((children (elmo-multi-folder-children-internal folder))
234 (setq cur-number (+ cur-number 1))
235 (when (setq match (elmo-message-entity (car children) key))
236 (setq match (elmo-message-copy-entity match))
237 (elmo-message-entity-set-number
239 (+ (* (elmo-multi-folder-divide-number-internal folder)
241 (elmo-message-entity-number match)))
243 (setq children (cdr children)))
246 (luna-define-method elmo-message-entity-parent ((folder
247 elmo-multi-folder) entity)
250 (elmo-message-entity-field entity 'references)))
252 (luna-define-method elmo-message-field ((folder elmo-multi-folder)
253 number field &optional type)
254 (let ((pair (elmo-multi-real-folder-number folder number)))
255 (elmo-message-field (car pair) (cdr pair) field type)))
257 (luna-define-method elmo-message-flag-available-p ((folder
258 elmo-multi-folder) number
260 (let ((pair (elmo-multi-real-folder-number folder number)))
261 (elmo-message-flag-available-p (car pair) (cdr pair) flag)))
263 (luna-define-method elmo-message-flags ((folder elmo-multi-folder) number)
264 (let ((pair (elmo-multi-real-folder-number folder number)))
265 (elmo-message-flags (car pair) (cdr pair))))
267 (defun elmo-multi-split-numbers (folder numlist &optional as-is)
268 (let ((numbers (sort numlist '<))
269 (folders (elmo-multi-folder-children-internal folder))
270 (divider (elmo-multi-folder-divide-number-internal folder))
272 one-list numbers-list)
274 (setq one-list (list (nth cur-number folders)))
275 (setq cur-number (+ cur-number 1))
279 (* divider cur-number))
281 (setq one-list (nconc
287 (* divider cur-number))))))
288 (setq numbers (cdr numbers)))
289 (setq numbers-list (nconc numbers-list (list one-list))))
292 (luna-define-method elmo-folder-process-crosspost ((folder elmo-multi-folder))
293 (dolist (child (elmo-multi-folder-children-internal folder))
294 (elmo-folder-process-crosspost child)))
296 (luna-define-method elmo-message-fetch ((folder elmo-multi-folder)
298 &optional unseen section)
299 (let ((pair (elmo-multi-real-folder-number folder number)))
300 (elmo-message-fetch (car pair) (cdr pair) strategy unseen section)))
302 (luna-define-method elmo-folder-delete-messages ((folder elmo-multi-folder)
304 (dolist (element (elmo-multi-split-numbers folder numbers))
306 (elmo-folder-delete-messages (car element) (cdr element))))
309 (luna-define-method elmo-folder-detach-messages ((folder elmo-multi-folder)
311 (dolist (element (elmo-multi-split-numbers folder numbers))
313 (elmo-folder-detach-messages (car element) (cdr element))))
316 (luna-define-method elmo-folder-diff ((folder elmo-multi-folder))
317 (elmo-multi-folder-diff folder))
319 (defun elmo-multi-folder-diff (folder)
324 (dolist (child (elmo-multi-folder-children-internal folder))
325 (setq diff (elmo-folder-diff child))
327 (setq value (elmo-diff-new diff))
330 (setq value (elmo-diff-unread diff))
333 (setq value (elmo-diff-all diff))
336 (list news unreads alls)
339 (luna-define-method elmo-folder-list-messages
340 ((folder elmo-multi-folder) &optional visible-only in-msgdb)
341 (let* ((flds (elmo-multi-folder-children-internal folder))
345 (setq cur-number (+ cur-number 1))
346 (setq list (elmo-folder-list-messages (car flds) visible-only in-msgdb))
354 (* (elmo-multi-folder-divide-number-internal
355 folder) cur-number) x)))
357 (setq flds (cdr flds)))
360 (luna-define-method elmo-folder-exists-p ((folder elmo-multi-folder))
361 (let ((flds (elmo-multi-folder-children-internal folder)))
364 (unless (elmo-folder-exists-p (car flds))
366 (setq flds (cdr flds)))
369 (luna-define-method elmo-folder-creatable-p ((folder elmo-multi-folder))
370 (let ((flds (elmo-multi-folder-children-internal folder)))
373 (when (and (elmo-folder-creatable-p (car flds))
374 (not (elmo-folder-exists-p (car flds))))
375 ;; If folder already exists, don't to `creatable'.
376 ;; Because this function is called, when folder doesn't exists.
377 (throw 'creatable t))
378 (setq flds (cdr flds)))
381 (luna-define-method elmo-folder-create ((folder elmo-multi-folder))
382 (let ((flds (elmo-multi-folder-children-internal folder)))
385 (unless (or (elmo-folder-exists-p (car flds))
386 (elmo-folder-create (car flds)))
388 (setq flds (cdr flds)))
391 (luna-define-method elmo-folder-search ((folder elmo-multi-folder)
392 condition &optional numbers)
393 (let* ((flds (elmo-multi-folder-children-internal folder))
397 (setq numbers (or numbers
398 (elmo-folder-list-messages folder)))
400 (setq cur-number (+ cur-number 1))
401 (setq matches (append matches
406 (* (elmo-multi-folder-divide-number-internal
411 (car flds) condition))))
412 (setq flds (cdr flds)))
413 (elmo-list-filter numbers matches)))
415 (luna-define-method elmo-message-use-cache-p ((folder elmo-multi-folder)
417 (let ((pair (elmo-multi-real-folder-number folder number)))
418 (elmo-message-use-cache-p (car pair) (cdr pair))))
420 (luna-define-method elmo-message-file-p ((folder elmo-multi-folder) number)
421 (let ((pair (elmo-multi-real-folder-number folder number)))
422 (elmo-message-file-p (car pair) (cdr pair))))
424 (luna-define-method elmo-message-file-name ((folder elmo-multi-folder) number)
425 (let ((pair (elmo-multi-real-folder-number folder number)))
426 (elmo-message-file-name (car pair) (cdr pair))))
428 (luna-define-method elmo-folder-plugged-p ((folder elmo-multi-folder))
429 (let ((flds (elmo-multi-folder-children-internal folder)))
432 (unless (elmo-folder-plugged-p (car flds))
433 (throw 'plugged nil))
434 (setq flds (cdr flds)))
437 (luna-define-method elmo-folder-set-plugged ((folder elmo-multi-folder)
439 (let ((flds (elmo-multi-folder-children-internal folder)))
441 (elmo-folder-set-plugged fld plugged add))))
443 (defun elmo-multi-folder-numbers-list-assoc (folder folder-numbers)
445 (while folder-numbers
446 (when (string= (elmo-folder-name-internal (car (car folder-numbers)))
447 (elmo-folder-name-internal folder))
448 (setq ent (car folder-numbers)
450 (setq folder-numbers (cdr folder-numbers)))
453 (defun elmo-multi-make-folder-numbers-list (folder msgs)
454 (let ((msg-list msgs)
458 (when (and (numberp (car msg-list))
459 (> (car msg-list) 0))
460 (setq pair (elmo-multi-real-folder-number folder (car msg-list)))
461 (if (setq fld-list (elmo-multi-folder-numbers-list-assoc
464 (setcdr fld-list (cons (cdr pair) (cdr fld-list)))
465 (setq ret-val (cons (cons (car pair) (list (cdr pair))) ret-val))))
466 (setq msg-list (cdr msg-list)))
469 (luna-define-method elmo-folder-set-flag ((folder elmo-multi-folder)
473 (dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
474 (elmo-folder-set-flag (car pair) (cdr pair) flag is-local)))
476 (luna-define-method elmo-folder-unset-flag ((folder elmo-multi-folder)
480 (dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
482 (elmo-folder-unset-flag (car pair) (cdr pair) flag is-local))))
484 (luna-define-method elmo-folder-list-flagged ((folder elmo-multi-folder)
489 (dolist (child (elmo-multi-folder-children-internal folder))
490 (setq cur-number (+ cur-number 1)
498 (* (elmo-multi-folder-divide-number-internal folder)
500 (elmo-folder-list-flagged child flag in-msgdb)))))
503 (luna-define-method elmo-folder-commit ((folder elmo-multi-folder))
504 (dolist (child (elmo-multi-folder-children-internal folder))
505 (elmo-folder-commit child)))
507 (luna-define-method elmo-folder-length ((folder elmo-multi-folder))
509 (dolist (child (elmo-multi-folder-children-internal folder))
510 (setq sum (+ sum (elmo-folder-length child))))
513 (luna-define-method elmo-folder-count-flags ((folder elmo-multi-folder))
514 (let (flag-alist element)
515 (dolist (child (elmo-multi-folder-children-internal folder))
516 (dolist (pair (elmo-folder-count-flags child))
517 (if (setq element (assq (car pair) flag-alist))
518 (setcdr element (+ (cdr element) (cdr pair)))
519 (setq flag-alist (cons pair flag-alist)))))
523 (product-provide (provide 'elmo-multi) (require 'elmo-version))
525 ;;; elmo-multi.el ends here