elmo/elmo-mark.el

   1 ;;; elmo-mark.el -- Global mark folder for ELMO.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4
   5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   6 ;; Keywords: mail, net news
   7
   8 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
   9
  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)
  13 ;; any later version.
  14 ;;
  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.
  19 ;;
  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.
  24 ;;
  25
  26 ;;; Commentary:
  27 ;;
  28
  29 ;;; Code:
  30 ;;
  31 (require 'elmo)
  32 (require 'elmo-map)
  33
  34 (defcustom elmo-mark-default-mark "$"
  35   "*Default global-mark for mark-folder."
  36   :type 'string
  37   :group 'elmo)
  38
  39 ;;; ELMO mark folder
  40 (eval-and-compile
  41   (luna-define-class elmo-mark-folder (elmo-map-folder) (mark))
  42   (luna-define-internal-accessors 'elmo-mark-folder))
  43
  44 (luna-define-method elmo-folder-initialize ((folder
  45                                              elmo-mark-folder)
  46                                             name)
  47   (elmo-mark-folder-set-mark-internal
  48    folder
  49    elmo-mark-default-mark)
  50   folder)
  51
  52 (luna-define-method elmo-folder-expand-msgdb-path ((folder
  53                                                     elmo-mark-folder))
  54   (expand-file-name "mark"
  55                     (expand-file-name "internal"
  56                                       elmo-msgdb-dir)))
  57
  58 (luna-define-method elmo-map-folder-list-message-locations
  59   ((folder elmo-mark-folder))
  60   (elmo-mark-folder-list-message-locations folder))
  61
  62 (defun elmo-mark-folder-list-message-locations (folder)
  63   (let (result)
  64     (dolist (pair (or elmo-msgdb-global-mark-alist
  65                       (setq elmo-msgdb-global-mark-alist
  66                             (elmo-object-load
  67                              (expand-file-name
  68                               elmo-msgdb-global-mark-filename
  69                               elmo-msgdb-dir)))))
  70       (if (string= (elmo-mark-folder-mark-internal folder)
  71                    (cdr pair))
  72           (setq result (cons (car pair) result))))
  73     (nreverse result)))
  74
  75 (luna-define-method elmo-folder-message-file-p ((folder elmo-mark-folder))
  76   t)
  77
  78 (luna-define-method elmo-message-file-name ((folder elmo-mark-folder)
  79                                             number)
  80   (elmo-file-cache-get-path
  81    (elmo-map-message-location folder number)))
  82
  83 (luna-define-method elmo-folder-msgdb-create ((folder elmo-mark-folder)
  84                                               numbers new-mark
  85                                               already-mark seen-mark
  86                                               important-mark
  87                                               seen-list)
  88   (elmo-mark-folder-msgdb-create folder numbers new-mark already-mark
  89                                  seen-mark important-mark))
  90
  91 (defun elmo-mark-folder-msgdb-create (folder numbers new-mark already-mark
  92                                              seen-mark important-mark)
  93   (let ((i 0)
  94         (len (length numbers))
  95         overview number-alist mark-alist entity message-id
  96         num)
  97     (message "Creating msgdb...")
  98     (while numbers
  99       (setq entity
 100             (elmo-msgdb-create-overview-entity-from-file
 101              (car numbers) (elmo-message-file-name folder (car numbers))))
 102       (if (null entity)
 103           ()
 104         (setq num (elmo-msgdb-overview-entity-get-number entity))
 105         (setq overview
 106               (elmo-msgdb-append-element
 107                overview entity))
 108         (setq message-id (elmo-msgdb-overview-entity-get-id entity))
 109         (setq number-alist
 110               (elmo-msgdb-number-add number-alist
 111                                      num
 112                                      message-id))
 113         (setq mark-alist
 114               (elmo-msgdb-mark-append
 115                mark-alist
 116                num (elmo-mark-folder-mark-internal folder))))
 117       (when (> len elmo-display-progress-threshold)
 118         (setq i (1+ i))
 119         (elmo-display-progress
 120          'elmo-mark-folder-msgdb-create "Creating msgdb..."
 121          (/ (* i 100) len)))
 122       (setq numbers (cdr numbers)))
 123     (message "Creating msgdb...done")
 124     (list overview number-alist mark-alist)))
 125
 126 (luna-define-method elmo-folder-append-buffer ((folder elmo-mark-folder)
 127                                                unread &optional number)
 128   (let* ((msgid (elmo-field-body "message-id"))
 129          (path (elmo-file-cache-get-path msgid))
 130          dir)
 131     (when path
 132       (setq dir (directory-file-name (file-name-directory path)))
 133       (unless (file-exists-p dir)
 134         (elmo-make-directory dir))
 135       (when (file-writable-p path)
 136         (write-region-as-binary (point-min) (point-max)
 137                                 path nil 'no-msg)))
 138     (elmo-msgdb-global-mark-set msgid
 139                                 (elmo-mark-folder-mark-internal folder))))
 140
 141 (luna-define-method elmo-map-folder-delete-messages ((folder elmo-mark-folder)
 142                                                      locations)
 143   (dolist (location locations)
 144     (elmo-msgdb-global-mark-delete location)))
 145
 146 (luna-define-method elmo-map-message-fetch ((folder elmo-mark-folder)
 147                                             location strategy &optional
 148                                             section outbuf unseen)
 149   (elmo-mark-folder-map-message-fetch folder location strategy
 150                                       section outbuf unseen))
 151
 152 (defun elmo-mark-folder-map-message-fetch (folder location strategy
 153                                                   section outbuf unseen)
 154   (let ((file (elmo-file-cache-get-path location)))
 155     (when (file-exists-p file)
 156       (if outbuf
 157           (with-current-buffer outbuf
 158             (erase-buffer)
 159             (insert-file-contents-as-binary file)
 160             (elmo-delete-cr-buffer)
 161             t)
 162         (with-temp-buffer
 163           (insert-file-contents-as-binary file)
 164           (elmo-delete-cr-buffer)
 165           (buffer-string))))))
 166
 167 (luna-define-method elmo-folder-exists-p ((folder elmo-mark-folder))
 168   t)
 169
 170 (luna-define-method elmo-folder-search ((folder elmo-mark-folder)
 171                                         condition &optional from-msgs)
 172   (let* ((msgs (or from-msgs (elmo-folder-list-messages folder)))
 173          (number-list msgs)
 174          (i 0)
 175          (num (length msgs))
 176          file
 177          matched
 178          case-fold-search)
 179     (while msgs
 180       (if (and (setq file (elmo-message-file-name folder (car msgs)))
 181                (file-exists-p file)
 182                (elmo-file-field-condition-match file
 183                                                 condition
 184                                                 (car msgs)
 185                                                 number-list))
 186           (setq matched (nconc matched (list (car msgs)))))
 187       (elmo-display-progress
 188        'elmo-internal-folder-search "Searching..."
 189        (/ (* (setq i (1+ i)) 100) num))
 190       (setq msgs (cdr msgs)))
 191     matched))
 192
 193 ;;; To override elmo-map-folder methods.
 194 (luna-define-method elmo-folder-list-unreads-internal
 195   ((folder elmo-mark-folder) unread-marks &optional mark-alist)
 196   t)
 197
 198 (luna-define-method elmo-folder-list-importants-internal
 199   ((folder elmo-mark-folder) important-mark)
 200   t)
 201
 202 (luna-define-method elmo-folder-unmark-important ((folder elmo-mark-folder)
 203                                                   numbers)
 204   t)
 205
 206 (luna-define-method elmo-folder-mark-as-important ((folder elmo-mark-folder)
 207                                                    numbers)
 208   t)
 209
 210 (luna-define-method elmo-folder-unmark-read ((folder elmo-mark-folder) numbers)
 211   t)
 212
 213 (luna-define-method elmo-folder-mark-as-read ((folder elmo-mark-folder) numbers)
 214   t)
 215
 216 (require 'product)
 217 (product-provide (provide 'elmo-mark) (require 'elmo-version))
 218
 219 ;;; elmo-mark.el ends here