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.
35 (defvar elmo-multi-divide-number 100000
36 "*Multi divider number.")
40 (luna-define-class elmo-multi-folder (elmo-folder)
41 (children divide-number))
42 (luna-define-internal-accessors 'elmo-multi-folder))
44 (luna-define-method elmo-folder-initialize ((folder
47 (while (> (length (car (setq name (elmo-parse-token name ",")))) 0)
48 (elmo-multi-folder-set-children-internal
50 (nconc (elmo-multi-folder-children-internal
52 (list (elmo-make-folder (car name)))))
53 (setq name (cdr name))
54 (when (and (> (length name) 0)
55 (eq (aref name 0) ?,))
56 (setq name (substring name 1))))
57 (elmo-multi-folder-set-divide-number-internal
59 elmo-multi-divide-number)
62 (luna-define-method elmo-folder-open-internal ((folder elmo-multi-folder))
63 (dolist (fld (elmo-multi-folder-children-internal folder))
64 (elmo-folder-open-internal fld)))
66 (luna-define-method elmo-folder-check ((folder elmo-multi-folder))
67 (dolist (fld (elmo-multi-folder-children-internal folder))
68 (elmo-folder-check fld)))
70 (luna-define-method elmo-folder-close-internal ((folder elmo-multi-folder))
71 (dolist (fld (elmo-multi-folder-children-internal folder))
72 (elmo-folder-close-internal fld)))
74 (luna-define-method elmo-folder-expand-msgdb-path ((folder
76 (expand-file-name (elmo-replace-string-as-filename
77 (elmo-folder-name-internal folder))
78 (expand-file-name "multi"
79 elmo-msgdb-directory)))
81 (luna-define-method elmo-folder-newsgroups ((folder elmo-multi-folder))
85 'elmo-folder-newsgroups
88 'elmo-folder-get-primitive-list
89 (elmo-multi-folder-children-internal folder)))))))
91 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-multi-folder))
94 'elmo-folder-get-primitive-list
95 (elmo-multi-folder-children-internal folder))))
97 (luna-define-method elmo-folder-contains-type ((folder elmo-multi-folder) type)
98 (let ((children (elmo-multi-folder-children-internal folder))
101 (when (elmo-folder-contains-type (car children) type)
104 (setq children (cdr children)))
107 (luna-define-method elmo-message-folder ((folder elmo-multi-folder)
109 (nth (- (/ number (elmo-multi-folder-divide-number-internal folder)) 1)
110 (elmo-multi-folder-children-internal folder)))
112 (defun elmo-multi-msgdb (msgdb base)
113 (list (mapcar (function
115 (elmo-msgdb-overview-entity-set-number
118 (elmo-msgdb-overview-entity-get-number x)))))
128 (cdr x)))) (nth 2 msgdb))))
130 (defun elmo-multi-split-numbers (folder numlist &optional as-is)
131 (let ((numbers (sort numlist '<))
132 (divider (elmo-multi-folder-divide-number-internal folder))
134 one-list numbers-list)
136 (setq cur-number (+ cur-number 1))
141 (* divider cur-number))
143 (setq one-list (nconc
149 (* divider cur-number))))))
150 (setq numbers (cdr numbers)))
151 (setq numbers-list (nconc numbers-list (list one-list))))
154 (luna-define-method elmo-folder-msgdb-create ((folder elmo-multi-folder)
155 numbers new-mark already-mark
156 seen-mark important-mark
158 (let* ((folders (elmo-multi-folder-children-internal folder))
159 overview number-alist mark-alist entity
164 (setq numbers-list (elmo-multi-split-numbers folder numbers))
166 (while (< cur-number (length folders))
167 (if (nth cur-number numbers-list)
172 (elmo-folder-msgdb-create (nth cur-number folders)
173 (nth cur-number numbers-list)
174 new-mark already-mark
175 seen-mark important-mark
177 (* (elmo-multi-folder-divide-number-internal folder)
179 (setq cur-number (1+ cur-number)))
180 (elmo-msgdb-sort-by-date msgdb)))
182 (luna-define-method elmo-folder-process-crosspost ((folder elmo-multi-folder)
185 (let ((number-alists (elmo-multi-split-number-alist
187 (elmo-msgdb-get-number-alist
188 (elmo-folder-msgdb folder))))
190 (dolist (child (elmo-multi-folder-children-internal folder))
191 (elmo-folder-process-crosspost child (car number-alists))
192 (setq cur-number (+ 1 cur-number)
193 number-alists (cdr number-alists)))))
195 (defsubst elmo-multi-folder-append-msgdb (folder append-msgdb)
197 (let* ((number-alist (elmo-msgdb-get-number-alist append-msgdb))
198 (all-alist (copy-sequence (append
199 (elmo-msgdb-get-number-alist
200 (elmo-folder-msgdb folder))
203 overview to-be-deleted
206 (setq all-alist (delq (car cur) all-alist))
207 ;; same message id exists.
208 (if (setq same (rassoc (cdr (car cur)) all-alist))
209 (unless (= (/ (car (car cur))
210 (elmo-multi-folder-divide-number-internal folder))
212 (elmo-multi-folder-divide-number-internal folder)))
213 ;; base is also same...delete it!
215 (append to-be-deleted (list (car (car cur)))))))
216 (setq cur (cdr cur)))
217 (cond ((eq (elmo-folder-process-duplicates-internal folder)
220 (elmo-msgdb-append-to-killed-list folder to-be-deleted)
221 (setq overview (elmo-delete-if
223 (memq (elmo-msgdb-overview-entity-get-number
226 (elmo-msgdb-get-overview append-msgdb)))
227 ;; Should be mark as read.
228 (elmo-folder-mark-as-read folder to-be-deleted)
229 (elmo-msgdb-set-overview append-msgdb overview))
230 ((eq (elmo-folder-process-duplicates-internal folder)
232 ;; Mark as read duplicates.
233 (elmo-folder-mark-as-read folder to-be-deleted))
236 (setq to-be-deleted nil)))
237 (elmo-folder-set-msgdb-internal folder
239 (elmo-folder-msgdb folder)
241 (length to-be-deleted))
244 (luna-define-method elmo-folder-append-msgdb ((folder elmo-multi-folder)
246 (elmo-multi-folder-append-msgdb folder append-msgdb))
248 (defmacro elmo-multi-real-folder-number (folder number)
249 "Returns a cons cell of real FOLDER and NUMBER."
252 (elmo-multi-folder-divide-number-internal (, folder)))
253 1) (elmo-multi-folder-children-internal (, folder)))
254 (% (, number) (elmo-multi-folder-divide-number-internal
257 (defsubst elmo-multi-find-fetch-strategy (folder entity ignore-cache)
259 (let ((pair (elmo-multi-real-folder-number
261 (elmo-msgdb-overview-entity-get-number entity)))
262 (new-entity (elmo-msgdb-copy-overview-entity entity)))
264 (elmo-msgdb-overview-entity-set-number new-entity (cdr pair)))
265 (elmo-find-fetch-strategy (car pair) new-entity ignore-cache))
266 (elmo-make-fetch-strategy 'entire)))
268 (luna-define-method elmo-find-fetch-strategy
269 ((folder elmo-multi-folder)
270 entity &optional ignore-cache)
271 (elmo-multi-find-fetch-strategy folder entity ignore-cache))
273 (luna-define-method elmo-message-fetch ((folder elmo-multi-folder)
275 &optional section outbuf unseen)
276 (let ((pair (elmo-multi-real-folder-number folder number)))
277 (elmo-message-fetch (car pair) (cdr pair) strategy section outbuf unseen)))
279 (luna-define-method elmo-folder-delete-messages ((folder elmo-multi-folder)
281 (let ((flds (elmo-multi-folder-children-internal folder))
284 (setq one-list-list (elmo-multi-split-numbers folder numbers))
285 (while (< cur-number (length flds))
286 (elmo-folder-delete-messages (nth cur-number flds)
287 (nth cur-number one-list-list))
288 (setq cur-number (+ 1 cur-number)))
291 (luna-define-method elmo-folder-diff ((folder elmo-multi-folder)
293 (elmo-multi-folder-diff folder numbers))
295 (defun elmo-multi-folder-diff (folder numbers)
296 (let ((flds (elmo-multi-folder-children-internal folder))
297 (numbers (mapcar 'car
298 (elmo-msgdb-number-load
299 (elmo-folder-msgdb-path folder))))
300 (killed (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
306 ;; If first time, dummy numbers is used as current number list.
309 (divider (elmo-multi-folder-divide-number-internal folder)))
310 (dolist (folder flds)
313 (cons (* i divider) numbers)))))
315 (elmo-multi-split-numbers folder
318 (elmo-number-set-to-number-list killed)
321 (setq nums (elmo-folder-diff (car flds) (car num-list))
322 nums (cons (elmo-diff-unread nums) (elmo-diff-all nums)))
323 (setq diffs (nconc diffs (list nums)))
324 (setq count (+ 1 count))
325 (setq num-list (cdr num-list))
326 (setq flds (cdr flds)))
328 (and (car (car diffs))
329 (setq unsync (+ unsync (car (car diffs)))))
330 (setq messages (+ messages (cdr (car diffs))))
331 (setq diffs (cdr diffs)))
332 (elmo-folder-set-info-hashtb folder nil messages)
333 (cons unsync messages)))
335 (defun elmo-multi-split-number-alist (folder number-alist)
336 (let ((alist (sort (copy-sequence number-alist)
337 (lambda (pair1 pair2)
338 (< (car pair1)(car pair2)))))
342 (setq cur-number (+ cur-number 1))
346 (/ (- (setq num (car (car alist)))
347 (* elmo-multi-divide-number cur-number))
348 (elmo-multi-folder-divide-number-internal folder))))
349 (setq one-alist (nconc
353 (% num (* (elmo-multi-folder-divide-number-internal
355 (cdr (car alist))))))
356 (setq alist (cdr alist)))
357 (setq split (nconc split (list one-alist))))
360 (defun elmo-multi-split-mark-alist (folder mark-alist)
362 (alist (sort (copy-sequence mark-alist)
363 (lambda (pair1 pair2)
364 (< (car pair1)(car pair2)))))
367 (setq cur-number (+ cur-number 1))
371 (/ (- (car (car alist))
372 (* (elmo-multi-folder-divide-number-internal
374 (elmo-multi-folder-divide-number-internal folder))))
375 (setq one-alist (nconc
378 (list (% (car (car alist))
379 (* (elmo-multi-folder-divide-number-internal
381 (cadr (car alist))))))
382 (setq alist (cdr alist)))
383 (setq result (nconc result (list one-alist))))
386 (luna-define-method elmo-folder-list-unreads-internal
387 ((folder elmo-multi-folder) unread-marks &optional mark-alist)
388 (elmo-multi-folder-list-unreads-internal folder unread-marks))
390 (defun elmo-multi-folder-list-unreads-internal (folder unread-marks)
391 (let ((folders (elmo-multi-folder-children-internal folder))
392 (mark-alists (elmo-multi-split-mark-alist
394 (elmo-msgdb-get-mark-alist
395 (elmo-folder-msgdb folder))))
400 (setq cur-number (+ cur-number 1))
401 (unless (listp (setq unreads
402 (elmo-folder-list-unreads-internal
403 (car folders) unread-marks (car mark-alists))))
404 (setq unreads (delq nil
407 (if (member (cadr x) unread-marks)
409 (car mark-alists)))))
416 (elmo-multi-folder-divide-number-internal
419 (setq mark-alists (cdr mark-alists)
420 folders (cdr folders)))
423 (luna-define-method elmo-folder-list-importants-internal
424 ((folder elmo-multi-folder) important-mark)
425 (let ((folders (elmo-multi-folder-children-internal folder))
426 (mark-alists (elmo-multi-split-mark-alist
428 (elmo-msgdb-get-mark-alist
429 (elmo-folder-msgdb folder))))
434 (setq cur-number (+ cur-number 1))
435 (when (listp (setq importants
436 (elmo-folder-list-importants-internal
437 (car folders) important-mark)))
439 (nconc all-importants
444 (elmo-multi-folder-divide-number-internal
447 (setq mark-alists (cdr mark-alists)
448 folders (cdr folders)))
451 (luna-define-method elmo-folder-list-messages-internal
452 ((folder elmo-multi-folder) &optional nohide)
453 (let* ((flds (elmo-multi-folder-children-internal folder))
457 (setq cur-number (+ cur-number 1))
458 (setq list (elmo-folder-list-messages-internal (car flds)))
467 (* (elmo-multi-folder-divide-number-internal
468 folder) cur-number) x)))
474 (eq cur-number (/ num
475 (elmo-multi-folder-divide-number-internal
479 (elmo-msgdb-get-number-alist
480 (elmo-folder-msgdb folder)))))))
481 (setq flds (cdr flds)))
484 (luna-define-method elmo-folder-exists-p ((folder elmo-multi-folder))
485 (let ((flds (elmo-multi-folder-children-internal folder)))
488 (unless (elmo-folder-exists-p (car flds))
490 (setq flds (cdr flds)))
493 (luna-define-method elmo-folder-creatable-p ((folder elmo-multi-folder))
494 (let ((flds (elmo-multi-folder-children-internal folder)))
497 (when (and (elmo-folder-creatable-p (car flds))
498 (not (elmo-folder-exists-p (car flds))))
499 ;; If folder already exists, don't to `creatable'.
500 ;; Because this function is called, when folder doesn't exists.
501 (throw 'creatable t))
502 (setq flds (cdr flds)))
505 (luna-define-method elmo-folder-create ((folder elmo-multi-folder))
506 (let ((flds (elmo-multi-folder-children-internal folder)))
509 (unless (or (elmo-folder-exists-p (car flds))
510 (elmo-folder-create (car flds)))
512 (setq flds (cdr flds)))
515 (luna-define-method elmo-folder-search ((folder elmo-multi-folder)
516 condition &optional numlist)
517 (let* ((flds (elmo-multi-folder-children-internal folder))
519 numlist-list cur-numlist ; for filtered search.
523 (elmo-multi-split-numbers folder numlist t)))
525 (setq cur-number (+ cur-number 1))
527 (setq cur-numlist (car numlist-list))
528 (if (null cur-numlist)
529 ;; t means filter all.
530 (setq cur-numlist t)))
531 (setq ret-val (append
539 (* (elmo-multi-folder-divide-number-internal
540 folder) cur-number) x)))
542 (car flds) condition)))))
544 (setq numlist-list (cdr numlist-list)))
545 (setq flds (cdr flds)))
548 (luna-define-method elmo-message-use-cache-p ((folder elmo-multi-folder)
550 (let ((pair (elmo-multi-real-folder-number folder number)))
551 (elmo-message-use-cache-p (car pair) (cdr pair))))
553 (luna-define-method elmo-message-file-p ((folder elmo-multi-folder) number)
554 (let ((pair (elmo-multi-real-folder-number folder number)))
555 (elmo-message-file-p (car pair) (cdr pair))))
557 (luna-define-method elmo-message-file-name ((folder elmo-multi-folder) number)
558 (let ((pair (elmo-multi-real-folder-number folder number)))
559 (elmo-message-file-name (car pair) (cdr pair))))
561 (luna-define-method elmo-folder-plugged-p ((folder elmo-multi-folder))
562 (let ((flds (elmo-multi-folder-children-internal folder)))
565 (unless (elmo-folder-plugged-p (car flds))
566 (throw 'plugged nil))
567 (setq flds (cdr flds)))
570 (luna-define-method elmo-folder-set-plugged ((folder elmo-multi-folder)
572 (let ((flds (elmo-multi-folder-children-internal folder)))
574 (elmo-folder-set-plugged fld plugged add))))
576 (defun elmo-multi-folder-numbers-list-assoc (folder folder-numbers)
578 (while folder-numbers
579 (when (string= (elmo-folder-name-internal (car (car folder-numbers)))
580 (elmo-folder-name-internal folder))
581 (setq ent (car folder-numbers)
583 (setq folder-numbers (cdr folder-numbers)))
586 (defun elmo-multi-make-folder-numbers-list (folder msgs)
587 (let ((msg-list msgs)
591 (when (and (numberp (car msg-list))
592 (> (car msg-list) 0))
593 (setq pair (elmo-multi-real-folder-number folder (car msg-list)))
594 (if (setq fld-list (elmo-multi-folder-numbers-list-assoc
597 (setcdr fld-list (cons (cdr pair) (cdr fld-list)))
598 (setq ret-val (cons (cons (car pair) (list (cdr pair))) ret-val))))
599 (setq msg-list (cdr msg-list)))
602 (luna-define-method elmo-folder-mark-as-important ((folder elmo-multi-folder)
604 (dolist (folder-numbers (elmo-multi-make-folder-numbers-list folder numbers))
605 (elmo-folder-mark-as-important (car folder-numbers)
606 (cdr folder-numbers)))
609 (luna-define-method elmo-folder-unmark-important ((folder elmo-multi-folder)
611 (dolist (folder-numbers (elmo-multi-make-folder-numbers-list folder numbers))
612 (elmo-folder-unmark-important (car folder-numbers)
613 (cdr folder-numbers)))
616 (luna-define-method elmo-folder-mark-as-read ((folder elmo-multi-folder)
618 (dolist (folder-numbers (elmo-multi-make-folder-numbers-list folder numbers))
619 (elmo-folder-mark-as-read (car folder-numbers)
620 (cdr folder-numbers)))
623 (luna-define-method elmo-folder-unmark-read ((folder elmo-multi-folder)
625 (dolist (folder-numbers (elmo-multi-make-folder-numbers-list folder numbers))
626 (elmo-folder-unmark-read (car folder-numbers)
627 (cdr folder-numbers)))
631 (product-provide (provide 'elmo-multi) (require 'elmo-version))
633 ;;; elmo-multi.el ends here