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-have-subfolder-p ((folder elmo-mark-folder))
  53   nil)
  54
  55 (luna-define-method elmo-folder-expand-msgdb-path ((folder
  56                                                     elmo-mark-folder))
  57   (expand-file-name "mark"
  58                     (expand-file-name "internal"
  59                                       elmo-msgdb-directory)))
  60
  61 (luna-define-method elmo-map-folder-list-message-locations
  62   ((folder elmo-mark-folder))
  63   (elmo-mark-folder-list-message-locations folder))
  64
  65 (defun elmo-mark-folder-list-message-locations (folder)
  66   (let (result)
  67     (dolist (pair (or elmo-msgdb-global-mark-alist
  68                       (setq elmo-msgdb-global-mark-alist
  69                             (elmo-object-load
  70                              (expand-file-name
  71                               elmo-msgdb-global-mark-filename
  72                               elmo-msgdb-directory)))))
  73       (if (string= (elmo-mark-folder-mark-internal folder)
  74                    (cdr pair))
  75           (setq result (cons (car pair) result))))
  76     (nreverse result)))
  77
  78 (luna-define-method elmo-folder-message-file-p ((folder elmo-mark-folder))
  79   t)
  80
  81 (luna-define-method elmo-message-file-name ((folder elmo-mark-folder)
  82                                             number)
  83   (elmo-file-cache-get-path
  84    (elmo-map-message-location folder number)))
  85
  86 (luna-define-method elmo-folder-msgdb-create ((folder elmo-mark-folder)
  87                                               numbers new-mark
  88                                               already-mark seen-mark
  89                                               important-mark
  90                                               seen-list)
  91   (elmo-mark-folder-msgdb-create folder numbers new-mark already-mark
  92                                  seen-mark important-mark))
  93
  94 (defun elmo-mark-folder-msgdb-create (folder numbers new-mark already-mark
  95                                              seen-mark important-mark)
  96   (let ((i 0)
  97         (len (length numbers))
  98         overview number-alist mark-alist entity message-id
  99         num)
 100     (message "Creating msgdb...")
 101     (while numbers
 102       (setq entity
 103             (elmo-msgdb-create-overview-entity-from-file
 104              (car numbers) (elmo-message-file-name folder (car numbers))))
 105       (if (null entity)
 106           ()
 107         (setq num (elmo-msgdb-overview-entity-get-number entity))
 108         (setq overview
 109               (elmo-msgdb-append-element
 110                overview entity))
 111         (setq message-id (elmo-msgdb-overview-entity-get-id entity))
 112         (setq number-alist
 113               (elmo-msgdb-number-add number-alist
 114                                      num
 115                                      message-id))
 116         (setq mark-alist
 117               (elmo-msgdb-mark-append
 118                mark-alist
 119                num (elmo-mark-folder-mark-internal folder))))
 120       (when (> len elmo-display-progress-threshold)
 121         (setq i (1+ i))
 122         (elmo-display-progress
 123          'elmo-mark-folder-msgdb-create "Creating msgdb..."
 124          (/ (* i 100) len)))
 125       (setq numbers (cdr numbers)))
 126     (message "Creating msgdb...done")
 127     (list overview number-alist mark-alist)))
 128
 129 (luna-define-method elmo-folder-append-buffer ((folder elmo-mark-folder)
 130                                                unread &optional number)
 131   (let* ((msgid (elmo-field-body "message-id"))
 132          (path (elmo-file-cache-get-path msgid))
 133          dir)
 134     (when path
 135       (setq dir (directory-file-name (file-name-directory path)))
 136       (unless (file-exists-p dir)
 137         (elmo-make-directory dir))
 138       (when (file-writable-p path)
 139         (write-region-as-binary (point-min) (point-max)
 140                                 path nil 'no-msg)))
 141     (elmo-msgdb-global-mark-set msgid
 142                                 (elmo-mark-folder-mark-internal folder))))
 143
 144 (luna-define-method elmo-map-folder-delete-messages ((folder elmo-mark-folder)
 145                                                      locations)
 146   (dolist (location locations)
 147     (elmo-msgdb-global-mark-delete location)))
 148
 149 (luna-define-method elmo-message-fetch-with-cache-process
 150   ((folder elmo-mark-folder) number strategy &optional section unseen)
 151   ;; disbable cache process
 152   (elmo-message-fetch-internal folder number strategy section unseen))
 153
 154 (luna-define-method elmo-map-message-fetch ((folder elmo-mark-folder)
 155                                             location strategy
 156                                             &optional section unseen)
 157   (let ((file (elmo-file-cache-get-path location)))
 158     (when (file-exists-p file)
 159       (insert-file-contents-as-binary file))))
 160
 161 (luna-define-method elmo-folder-exists-p ((folder elmo-mark-folder))
 162   t)
 163
 164 (luna-define-method elmo-folder-writable-p ((folder elmo-mark-folder))
 165   t)
 166
 167 (luna-define-method elmo-folder-search ((folder elmo-mark-folder)
 168                                         condition &optional from-msgs)
 169   (let* ((msgs (or from-msgs (elmo-folder-list-messages folder)))
 170          (number-list msgs)
 171          (i 0)
 172          (num (length msgs))
 173          file
 174          matched
 175          case-fold-search)
 176     (while msgs
 177       (if (and (setq file (elmo-message-file-name folder (car msgs)))
 178                (file-exists-p file)
 179                (elmo-file-field-condition-match file
 180                                                 condition
 181                                                 (car msgs)
 182                                                 number-list))
 183           (setq matched (nconc matched (list (car msgs)))))
 184       (elmo-display-progress
 185        'elmo-internal-folder-search "Searching..."
 186        (/ (* (setq i (1+ i)) 100) num))
 187       (setq msgs (cdr msgs)))
 188     matched))
 189
 190 ;;; To override elmo-map-folder methods.
 191 (luna-define-method elmo-folder-list-unreads-internal
 192   ((folder elmo-mark-folder) unread-marks &optional mark-alist)
 193   t)
 194
 195 (luna-define-method elmo-folder-unmark-important ((folder elmo-mark-folder)
 196                                                   numbers)
 197   t)
 198
 199 (luna-define-method elmo-folder-mark-as-important ((folder elmo-mark-folder)
 200                                                    numbers)
 201   t)
 202
 203 (luna-define-method elmo-folder-unmark-read ((folder elmo-mark-folder) numbers)
 204   t)
 205
 206 (luna-define-method elmo-folder-mark-as-read ((folder elmo-mark-folder) numbers)
 207   t)
 208
 209 (require 'product)
 210 (product-provide (provide 'elmo-mark) (require 'elmo-version))
 211
 212 ;;; elmo-mark.el ends here