1 ;;; elmo-filter.el --- Filtered 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.
33 ;;; ELMO filter folder
35 (luna-define-class elmo-filter-folder (elmo-folder)
36 (condition target require-msgdb))
37 (luna-define-internal-accessors 'elmo-filter-folder))
39 (luna-define-method elmo-folder-initialize ((folder elmo-filter-folder)
42 (setq pair (elmo-parse-search-condition name))
43 (elmo-filter-folder-set-condition-internal folder
45 (if (string-match "^ */\\(.*\\)$" (cdr pair))
46 (elmo-filter-folder-set-target-internal
48 (elmo-make-folder (elmo-match-string 1 (cdr pair))))
49 (error "Folder syntax error `%s'" (elmo-folder-name-internal folder)))
50 (elmo-filter-folder-set-require-msgdb-internal
52 (elmo-folder-search-requires-msgdb-p
53 (elmo-filter-folder-target-internal folder)
54 (elmo-filter-folder-condition-internal folder)))
57 (luna-define-method elmo-folder-open-internal ((folder elmo-filter-folder))
58 (elmo-folder-open-internal (elmo-filter-folder-target-internal folder)))
60 (luna-define-method elmo-folder-msgdb :around ((folder elmo-filter-folder))
61 ;; Load target's msgdb if required.
62 (if (elmo-filter-folder-require-msgdb-internal folder)
63 (elmo-folder-msgdb (elmo-filter-folder-target-internal folder)))
64 ;; Load msgdb of itself.
65 (luna-call-next-method))
67 (luna-define-method elmo-folder-check ((folder elmo-filter-folder))
68 (if (elmo-filter-folder-require-msgdb-internal folder)
69 (elmo-folder-synchronize (elmo-filter-folder-target-internal folder))))
71 (luna-define-method elmo-folder-close-internal ((folder elmo-filter-folder))
72 (elmo-folder-close-internal (elmo-filter-folder-target-internal folder)))
74 (luna-define-method elmo-folder-close :after ((folder elmo-filter-folder))
75 ;; Clear target msgdb if it is used.
76 (if (elmo-filter-folder-require-msgdb-internal folder)
77 (elmo-folder-set-msgdb-internal (elmo-filter-folder-target-internal
80 (luna-define-method elmo-folder-commit :around ((folder elmo-filter-folder))
81 ;; Save target msgdb if it is used.
82 (if (elmo-filter-folder-require-msgdb-internal folder)
83 (elmo-folder-commit (elmo-filter-folder-target-internal folder)))
84 (luna-call-next-method))
86 (luna-define-method elmo-folder-expand-msgdb-path ((folder
89 (elmo-replace-string-as-filename (elmo-folder-name-internal folder))
90 (expand-file-name "filter" elmo-msgdb-directory)))
92 (luna-define-method elmo-folder-newsgroups ((folder elmo-filter-folder))
93 (elmo-folder-newsgroups (elmo-filter-folder-target-internal folder)))
95 (luna-define-method elmo-find-fetch-strategy
96 ((folder elmo-filter-folder) entity &optional ignore-cache)
97 (elmo-find-fetch-strategy
98 (elmo-filter-folder-target-internal folder)
101 (luna-define-method elmo-folder-get-primitive-list ((folder
103 (list (elmo-filter-folder-target-internal folder)))
105 (luna-define-method elmo-folder-contains-type ((folder elmo-filter-folder)
107 (elmo-folder-contains-type
108 (elmo-filter-folder-target-internal folder)
111 (luna-define-method elmo-folder-msgdb-create ((folder elmo-filter-folder)
113 (if (elmo-filter-folder-require-msgdb-internal folder)
114 (let* ((target-folder (elmo-filter-folder-target-internal folder))
115 (len (length numlist))
116 (msgdb (elmo-folder-msgdb target-folder))
117 overview number-alist mark-alist message-id entity mark)
118 (when (> len elmo-display-progress-threshold)
119 (elmo-progress-set 'elmo-folder-msgdb-create
120 len "Creating msgdb..."))
122 (dolist (number numlist)
123 (setq entity (elmo-msgdb-overview-get-entity number msgdb))
125 (setq overview (elmo-msgdb-append-element overview entity)
126 message-id (elmo-msgdb-overview-entity-get-id entity)
127 number-alist (elmo-msgdb-number-add number-alist
130 (when (setq mark (elmo-msgdb-get-mark msgdb number))
131 (setq mark-alist (elmo-msgdb-mark-append
135 (elmo-progress-notify 'elmo-folder-msgdb-create))
136 (elmo-progress-clear 'elmo-folder-msgdb-create))
137 (list overview number-alist mark-alist))
138 ;; Does not require msgdb.
139 (elmo-folder-msgdb-create
140 (elmo-filter-folder-target-internal folder)
143 (luna-define-method elmo-folder-append-buffer ((folder elmo-filter-folder)
144 unread &optional number)
145 (elmo-folder-append-buffer
146 (elmo-filter-folder-target-internal folder)
149 (luna-define-method elmo-message-fetch ((folder elmo-filter-folder)
151 &optional section outbuf unseen)
153 (elmo-filter-folder-target-internal folder)
154 number strategy section outbuf unseen))
156 (luna-define-method elmo-folder-delete-messages ((folder elmo-filter-folder)
158 (elmo-folder-delete-messages
159 (elmo-filter-folder-target-internal folder) numbers))
161 (luna-define-method elmo-folder-list-messages-internal
162 ((folder elmo-filter-folder) &optional nohide)
163 (let ((target (elmo-filter-folder-target-internal folder)))
164 (if (or (elmo-folder-plugged-p target)
165 (not (elmo-folder-persistent-p folder)))
166 ;; search target folder
169 (elmo-filter-folder-condition-internal folder))
173 (defsubst elmo-filter-folder-list-unreads (folder)
175 (elmo-folder-list-messages folder nil 'in-msgdb)
176 (elmo-folder-list-unreads
177 (elmo-filter-folder-target-internal folder))))
179 (luna-define-method elmo-folder-list-unreads ((folder elmo-filter-folder))
180 (elmo-filter-folder-list-unreads folder))
182 (defsubst elmo-filter-folder-list-importants (folder)
184 (elmo-folder-list-messages folder nil 'in-msgdb)
185 (elmo-folder-list-importants
186 (elmo-filter-folder-target-internal folder))))
188 (luna-define-method elmo-folder-list-importants ((folder elmo-filter-folder))
189 (elmo-filter-folder-list-importants folder))
191 (luna-define-method elmo-folder-list-subfolders ((folder elmo-filter-folder)
193 (let* ((target (elmo-filter-folder-target-internal folder))
194 (prefix (and (string-match
197 (elmo-folder-name-internal
200 (elmo-folder-name-internal folder))
201 (match-string 1 (elmo-folder-name-internal
203 (elmo-mapcar-list-of-list
204 (lambda (x) (concat prefix x))
205 (elmo-folder-list-subfolders target one-level))))
207 (luna-define-method elmo-folder-diff :around ((folder elmo-filter-folder)
209 (if (not (and (vectorp (elmo-filter-folder-condition-internal
211 (string-match "^last$"
213 (elmo-filter-folder-condition-internal
215 (cons nil (cdr (elmo-folder-diff (elmo-filter-folder-target-internal
217 (luna-call-next-method)))
219 (luna-define-method elmo-folder-status ((folder elmo-filter-folder))
221 (elmo-filter-folder-target-internal folder)))
223 (luna-define-method elmo-folder-exists-p ((folder elmo-filter-folder))
224 (elmo-folder-exists-p (elmo-filter-folder-target-internal folder)))
226 (luna-define-method elmo-folder-creatable-p ((folder elmo-filter-folder))
227 (elmo-folder-creatable-p (elmo-filter-folder-target-internal folder)))
229 (luna-define-method elmo-folder-writable-p ((folder elmo-filter-folder))
230 (elmo-folder-writable-p (elmo-filter-folder-target-internal folder)))
232 (luna-define-method elmo-folder-create ((folder elmo-filter-folder))
233 (elmo-folder-create (elmo-filter-folder-target-internal folder)))
235 (luna-define-method elmo-folder-search ((folder elmo-filter-folder)
236 condition &optional numbers)
237 ;; search from messages in this folder
240 (elmo-folder-search (elmo-filter-folder-target-internal folder)
242 (elmo-folder-list-messages folder))))
244 (luna-define-method elmo-message-use-cache-p ((folder elmo-filter-folder)
246 (elmo-message-use-cache-p (elmo-filter-folder-target-internal folder)
249 (luna-define-method elmo-folder-message-file-p ((folder elmo-filter-folder))
250 (elmo-folder-message-file-p (elmo-filter-folder-target-internal folder)))
252 (luna-define-method elmo-folder-plugged-p ((folder elmo-filter-folder))
253 (elmo-folder-plugged-p (elmo-filter-folder-target-internal folder)))
255 (luna-define-method elmo-folder-set-plugged ((folder elmo-filter-folder)
256 plugged &optional add)
257 (elmo-folder-set-plugged (elmo-filter-folder-target-internal folder)
260 (luna-define-method elmo-message-file-name ((folder elmo-filter-folder)
262 (elmo-message-file-name (elmo-filter-folder-target-internal folder)
265 (luna-define-method elmo-folder-mark-as-read :around ((folder
268 &optional ignore-flag)
269 (elmo-folder-mark-as-read (elmo-filter-folder-target-internal folder)
271 (luna-call-next-method))
273 (luna-define-method elmo-folder-unmark-read :around ((folder
276 (elmo-folder-unmark-read (elmo-filter-folder-target-internal folder)
278 (luna-call-next-method))
280 (luna-define-method elmo-folder-mark-as-important :around ((folder
283 (elmo-folder-mark-as-important (elmo-filter-folder-target-internal folder)
285 (luna-call-next-method))
288 (luna-define-method elmo-folder-unmark-important :around ((folder
291 (elmo-folder-unmark-important (elmo-filter-folder-target-internal folder)
293 (luna-call-next-method))
295 (luna-define-method elmo-folder-mark-as-answered :around ((folder
298 (elmo-folder-mark-as-answered (elmo-filter-folder-target-internal folder)
300 (luna-call-next-method))
303 (luna-define-method elmo-folder-unmark-answered :around ((folder
306 (elmo-folder-unmark-answered (elmo-filter-folder-target-internal folder)
308 (luna-call-next-method))
311 (product-provide (provide 'elmo-filter) (require 'elmo-version))
313 ;;; elmo-filter.el ends here