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-get-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 ((folder elmo-multi-folder))
136 (elmo-generic-folder-close folder)
137 (dolist (fld (elmo-multi-folder-children-internal folder))
138 (elmo-folder-close fld)))
140 (luna-define-method elmo-folder-synchronize ((folder elmo-multi-folder)
147 (dolist (element (elmo-multi-split-numbers folder mask))
149 (elmo-folder-synchronize (car element)
154 (dolist (fld (elmo-multi-folder-children-internal folder))
155 (elmo-folder-synchronize fld disable-killed ignore-msgdb no-check)))
158 (luna-define-method elmo-folder-expand-msgdb-path ((folder
160 (expand-file-name (elmo-replace-string-as-filename
161 (elmo-folder-name-internal folder))
162 (expand-file-name "multi"
163 elmo-msgdb-directory)))
165 (luna-define-method elmo-folder-newsgroups ((folder elmo-multi-folder))
168 'elmo-folder-newsgroups
169 (elmo-multi-folder-children-internal folder))))
171 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-multi-folder))
174 'elmo-folder-get-primitive-list
175 (elmo-multi-folder-children-internal folder))))
177 (luna-define-method elmo-folder-contains-type ((folder elmo-multi-folder) type)
178 (let ((children (elmo-multi-folder-children-internal folder))
181 (when (elmo-folder-contains-type (car children) type)
184 (setq children (cdr children)))
187 (luna-define-method elmo-message-folder ((folder elmo-multi-folder)
189 (nth (- (/ number (elmo-multi-folder-divide-number-internal folder)) 1)
190 (elmo-multi-folder-children-internal folder)))
192 (luna-define-method elmo-message-cached-p ((folder elmo-multi-folder) number)
193 (let ((pair (elmo-multi-real-folder-number folder number)))
194 (elmo-message-cached-p (car pair) (cdr pair))))
196 (luna-define-method elmo-message-set-cached ((folder elmo-multi-folder)
198 (let ((pair (elmo-multi-real-folder-number folder number)))
199 (elmo-message-set-cached (car pair) (cdr pair) cached)))
201 (luna-define-method elmo-find-fetch-strategy ((folder elmo-multi-folder)
206 (let ((pair (elmo-multi-real-folder-number folder number)))
207 (elmo-find-fetch-strategy (car pair)
210 require-entireness)))
212 (luna-define-method elmo-message-number ((folder elmo-multi-folder)
214 (let ((children (elmo-multi-folder-children-internal folder))
217 (when (setq match (elmo-message-number (car children) message-id))
219 (setq children (cdr children)))
222 (luna-define-method elmo-message-entity ((folder elmo-multi-folder) key)
225 (let* ((pair (elmo-multi-real-folder-number folder key))
226 (entity (elmo-message-entity (car pair) (cdr pair))))
228 (setq entity (elmo-message-copy-entity entity))
229 (elmo-message-entity-set-number entity key)
232 (let ((children (elmo-multi-folder-children-internal folder))
236 (setq cur-number (+ cur-number 1))
237 (when (setq match (elmo-message-entity (car children) key))
238 (setq match (elmo-message-copy-entity match))
239 (elmo-message-entity-set-number
241 (+ (* (elmo-multi-folder-divide-number-internal folder)
243 (elmo-message-entity-number match)))
245 (setq children (cdr children)))
248 (luna-define-method elmo-message-entity-parent ((folder
249 elmo-multi-folder) entity)
252 (elmo-message-entity-field entity 'references)))
254 (luna-define-method elmo-message-field ((folder elmo-multi-folder)
255 number field &optional type)
256 (let ((pair (elmo-multi-real-folder-number folder number)))
257 (elmo-message-field (car pair) (cdr pair) field type)))
259 (luna-define-method elmo-message-flag-available-p ((folder
260 elmo-multi-folder) number
262 (let ((pair (elmo-multi-real-folder-number folder number)))
263 (elmo-message-flag-available-p (car pair) (cdr pair) flag)))
265 (luna-define-method elmo-message-flags ((folder elmo-multi-folder) number)
266 (let ((pair (elmo-multi-real-folder-number folder number)))
267 (elmo-message-flags (car pair) (cdr pair))))
269 (defun elmo-multi-split-numbers (folder numlist &optional as-is)
270 (let ((numbers (sort numlist '<))
271 (folders (elmo-multi-folder-children-internal folder))
272 (divider (elmo-multi-folder-divide-number-internal folder))
274 one-list numbers-list)
276 (setq one-list (list (nth cur-number folders)))
277 (setq cur-number (+ cur-number 1))
281 (* divider cur-number))
283 (setq one-list (nconc
289 (* divider cur-number))))))
290 (setq numbers (cdr numbers)))
291 (setq numbers-list (nconc numbers-list (list one-list))))
294 (luna-define-method elmo-folder-process-crosspost ((folder elmo-multi-folder))
295 (dolist (child (elmo-multi-folder-children-internal folder))
296 (elmo-folder-process-crosspost child)))
298 (luna-define-method elmo-message-fetch ((folder elmo-multi-folder)
300 &optional unseen section)
301 (let ((pair (elmo-multi-real-folder-number folder number)))
302 (elmo-message-fetch (car pair) (cdr pair) strategy unseen section)))
304 (luna-define-method elmo-folder-delete-messages ((folder elmo-multi-folder)
306 (dolist (element (elmo-multi-split-numbers folder numbers))
308 (elmo-folder-delete-messages (car element) (cdr element))))
311 (luna-define-method elmo-folder-detach-messages ((folder elmo-multi-folder)
313 (dolist (element (elmo-multi-split-numbers folder numbers))
315 (elmo-folder-detach-messages (car element) (cdr element))))
318 (luna-define-method elmo-folder-diff ((folder elmo-multi-folder))
319 (elmo-multi-folder-diff folder))
321 (defun elmo-multi-folder-diff (folder)
326 (dolist (child (elmo-multi-folder-children-internal folder))
327 (setq diff (elmo-folder-diff child))
329 (setq value (elmo-diff-new diff))
332 (setq value (elmo-diff-unread diff))
335 (setq value (elmo-diff-all diff))
338 (list news unreads alls)
341 (luna-define-method elmo-folder-list-messages
342 ((folder elmo-multi-folder) &optional visible-only in-msgdb)
343 (let* ((flds (elmo-multi-folder-children-internal folder))
347 (setq cur-number (+ cur-number 1))
348 (setq list (elmo-folder-list-messages (car flds) visible-only in-msgdb))
356 (* (elmo-multi-folder-divide-number-internal
357 folder) cur-number) x)))
359 (setq flds (cdr flds)))
362 (luna-define-method elmo-folder-exists-p ((folder elmo-multi-folder))
363 (let ((flds (elmo-multi-folder-children-internal folder)))
366 (unless (elmo-folder-exists-p (car flds))
368 (setq flds (cdr flds)))
371 (luna-define-method elmo-folder-creatable-p ((folder elmo-multi-folder))
372 (let ((flds (elmo-multi-folder-children-internal folder)))
375 (when (and (elmo-folder-creatable-p (car flds))
376 (not (elmo-folder-exists-p (car flds))))
377 ;; If folder already exists, don't to `creatable'.
378 ;; Because this function is called, when folder doesn't exists.
379 (throw 'creatable t))
380 (setq flds (cdr flds)))
383 (luna-define-method elmo-folder-create ((folder elmo-multi-folder))
384 (let ((flds (elmo-multi-folder-children-internal folder)))
387 (unless (or (elmo-folder-exists-p (car flds))
388 (elmo-folder-create (car flds)))
390 (setq flds (cdr flds)))
393 (luna-define-method elmo-folder-search ((folder elmo-multi-folder)
394 condition &optional numbers)
395 (let* ((flds (elmo-multi-folder-children-internal folder))
399 (setq numbers (or numbers
400 (elmo-folder-list-messages folder)))
402 (setq cur-number (+ cur-number 1))
403 (setq matches (append matches
408 (* (elmo-multi-folder-divide-number-internal
413 (car flds) condition))))
414 (setq flds (cdr flds)))
415 (elmo-list-filter numbers matches)))
417 (luna-define-method elmo-message-use-cache-p ((folder elmo-multi-folder)
419 (let ((pair (elmo-multi-real-folder-number folder number)))
420 (elmo-message-use-cache-p (car pair) (cdr pair))))
422 (luna-define-method elmo-message-file-p ((folder elmo-multi-folder) number)
423 (let ((pair (elmo-multi-real-folder-number folder number)))
424 (elmo-message-file-p (car pair) (cdr pair))))
426 (luna-define-method elmo-message-file-name ((folder elmo-multi-folder) number)
427 (let ((pair (elmo-multi-real-folder-number folder number)))
428 (elmo-message-file-name (car pair) (cdr pair))))
430 (luna-define-method elmo-folder-plugged-p ((folder elmo-multi-folder))
431 (let ((flds (elmo-multi-folder-children-internal folder)))
434 (unless (elmo-folder-plugged-p (car flds))
435 (throw 'plugged nil))
436 (setq flds (cdr flds)))
439 (luna-define-method elmo-folder-set-plugged ((folder elmo-multi-folder)
441 (let ((flds (elmo-multi-folder-children-internal folder)))
443 (elmo-folder-set-plugged fld plugged add))))
445 (defun elmo-multi-folder-numbers-list-assoc (folder folder-numbers)
447 (while folder-numbers
448 (when (string= (elmo-folder-name-internal (car (car folder-numbers)))
449 (elmo-folder-name-internal folder))
450 (setq ent (car folder-numbers)
452 (setq folder-numbers (cdr folder-numbers)))
455 (defun elmo-multi-make-folder-numbers-list (folder msgs)
456 (let ((msg-list msgs)
460 (when (and (numberp (car msg-list))
461 (> (car msg-list) 0))
462 (setq pair (elmo-multi-real-folder-number folder (car msg-list)))
463 (if (setq fld-list (elmo-multi-folder-numbers-list-assoc
466 (setcdr fld-list (cons (cdr pair) (cdr fld-list)))
467 (setq ret-val (cons (cons (car pair) (list (cdr pair))) ret-val))))
468 (setq msg-list (cdr msg-list)))
471 (luna-define-method elmo-folder-set-flag ((folder elmo-multi-folder)
475 (dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
476 (elmo-folder-set-flag (car pair) (cdr pair) flag is-local)))
478 (luna-define-method elmo-folder-unset-flag ((folder elmo-multi-folder)
482 (dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
484 (elmo-folder-unset-flag (car pair) (cdr pair) flag is-local))))
486 (luna-define-method elmo-folder-list-flagged ((folder elmo-multi-folder)
491 (dolist (child (elmo-multi-folder-children-internal folder))
492 (setq cur-number (+ cur-number 1)
500 (* (elmo-multi-folder-divide-number-internal folder)
502 (elmo-folder-list-flagged child flag in-msgdb)))))
505 (luna-define-method elmo-folder-commit ((folder elmo-multi-folder))
506 (dolist (child (elmo-multi-folder-children-internal folder))
507 (elmo-folder-commit child)))
509 (luna-define-method elmo-folder-length ((folder elmo-multi-folder))
511 (dolist (child (elmo-multi-folder-children-internal folder))
512 (setq sum (+ sum (elmo-folder-length child))))
515 (luna-define-method elmo-folder-count-flags ((folder elmo-multi-folder))
516 (let (flag-alist element)
517 (dolist (child (elmo-multi-folder-children-internal folder))
518 (dolist (pair (elmo-folder-count-flags child))
519 (if (setq element (assq (car pair) flag-alist))
520 (setcdr element (+ (cdr element) (cdr pair)))
521 (setq flag-alist (cons pair flag-alist)))))
525 (product-provide (provide 'elmo-multi) (require 'elmo-version))
527 ;;; elmo-multi.el ends here