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 seen-list)
  88   (elmo-mark-folder-msgdb-create folder numbers))
  89
  90 (defun elmo-mark-folder-msgdb-create (folder numbers)
  91   (let ((i 0)
  92         (len (length numbers))
  93         overview number-alist mark-alist entity message-id
  94         num)
  95     (message "Creating msgdb...")
  96     (while numbers
  97       (setq entity
  98             (elmo-msgdb-create-overview-entity-from-file
  99              (car numbers) (elmo-message-file-name folder (car numbers))))
 100       (if (null entity)
 101           ()
 102         (setq num (elmo-msgdb-overview-entity-get-number entity))
 103         (setq overview
 104               (elmo-msgdb-append-element
 105                overview entity))
 106         (setq message-id (elmo-msgdb-overview-entity-get-id entity))
 107         (setq number-alist
 108               (elmo-msgdb-number-add number-alist
 109                                      num
 110                                      message-id))
 111         (setq mark-alist
 112               (elmo-msgdb-mark-append
 113                mark-alist
 114                num (elmo-mark-folder-mark-internal folder))))
 115       (when (> len elmo-display-progress-threshold)
 116         (setq i (1+ i))
 117         (elmo-display-progress
 118          'elmo-mark-folder-msgdb-create "Creating msgdb..."
 119          (/ (* i 100) len)))
 120       (setq numbers (cdr numbers)))
 121     (message "Creating msgdb...done")
 122     (list overview number-alist mark-alist)))
 123
 124 (luna-define-method elmo-folder-append-buffer ((folder elmo-mark-folder)
 125                                                unread &optional number)
 126   (let* ((msgid (elmo-field-body "message-id"))
 127          (path (elmo-file-cache-get-path msgid))
 128          dir)
 129     (when path
 130       (setq dir (directory-file-name (file-name-directory path)))
 131       (unless (file-exists-p dir)
 132         (elmo-make-directory dir))
 133       (when (file-writable-p path)
 134         (write-region-as-binary (point-min) (point-max)
 135                                 path nil 'no-msg)))
 136     (elmo-msgdb-global-mark-set msgid
 137                                 (elmo-mark-folder-mark-internal folder))))
 138
 139 (luna-define-method elmo-map-folder-delete-messages ((folder elmo-mark-folder)
 140                                                      locations)
 141   (dolist (location locations)
 142     (elmo-msgdb-global-mark-delete location)))
 143
 144 (luna-define-method elmo-message-fetch-with-cache-process
 145   ((folder elmo-mark-folder) number strategy &optional section unseen)
 146   ;; disbable cache process
 147   (elmo-message-fetch-internal folder number strategy section unseen))
 148
 149 (luna-define-method elmo-map-message-fetch ((folder elmo-mark-folder)
 150                                             location strategy
 151                                             &optional section unseen)
 152   (let ((file (elmo-file-cache-get-path location)))
 153     (when (file-exists-p file)
 154       (insert-file-contents-as-binary file))))
 155
 156 (luna-define-method elmo-folder-exists-p ((folder elmo-mark-folder))
 157   t)
 158
 159 (luna-define-method elmo-folder-writable-p ((folder elmo-mark-folder))
 160   t)
 161
 162 (require 'product)
 163 (product-provide (provide 'elmo-mark) (require 'elmo-version))
 164
 165 ;;; elmo-mark.el ends here