djavu-asus/emacs/elpa/jabber-20230715.456/jabber-bookmarks.el

   1 ;; jabber-bookmarks.el - bookmarks according to XEP-0048  -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2007, 2008 - Magnus Henoch - mange@freemail.hu
   4
   5 ;; This file is a part of jabber.el.
   6
   7 ;; This program is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation; either version 2 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; This program is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with this program; if not, write to the Free Software
  19 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20
  21 (require 'jabber-private)
  22 (require 'jabber-widget)
  23
  24 (require 'cl-lib)
  25
  26 (defvar jabber-bookmarks (make-hash-table :test 'equal)
  27   "Mapping from full JIDs to bookmarks.
  28 Bookmarks are what has been retrieved from the server, as list of
  29 XML elements.  This is nil if bookmarks have not been retrieved,
  30 and t if no bookmarks where found.")
  31
  32 ;;;###autoload
  33 (defun jabber-get-conference-data (jc conference-jid cont &optional key)
  34   "Get bookmark data for CONFERENCE-JID.
  35 KEY may be nil or one of :name, :autojoin, :nick and :password.
  36 If KEY is nil, a plist containing the above keys is returned.
  37 CONT is called when the result is available, with JC and the
  38 result as arguments.  If CONT is nil, return the requested data
  39 immediately, and return nil if it is not in the cache."
  40   (if (null cont)
  41       (let ((cache (jabber-get-bookmarks-from-cache jc)))
  42        (if (and cache (listp cache))
  43         (jabber-get-conference-data-internal
  44          cache conference-jid key)))
  45     (jabber-get-bookmarks
  46      jc
  47      (let ((conference-jid conference-jid)
  48                    (key key)
  49                    (cont cont))
  50        (lambda (jc result)
  51          (let ((entry (jabber-get-conference-data-internal result conference-jid key)))
  52            (funcall cont jc entry)))))))
  53
  54 (defun jabber-get-conference-data-internal (result conference-jid key)
  55   (let ((entry (cl-dolist (node result)
  56                 (when (and (eq (jabber-xml-node-name node) 'conference)
  57                            (string= (jabber-xml-get-attribute node 'jid) conference-jid))
  58                   (cl-return (jabber-parse-conference-bookmark node))))))
  59     (if key
  60         (plist-get entry key)
  61       entry)))
  62
  63 ;;;###autoload
  64 (defun jabber-parse-conference-bookmark (node)
  65   "Convert a <conference/> tag into a plist.
  66 The plist may contain the keys :jid, :name, :autojoin,
  67 :nick and :password."
  68   (when (eq (jabber-xml-node-name node) 'conference)
  69     (list :jid (jabber-xml-get-attribute node 'jid)
  70           :name (jabber-xml-get-attribute node 'name)
  71           :autojoin (member (jabber-xml-get-attribute node 'autojoin)
  72                             '("true" "1"))
  73           :nick (car (jabber-xml-node-children
  74                       (car (jabber-xml-get-children node 'nick))))
  75           :password (car (jabber-xml-node-children
  76                           (car (jabber-xml-get-children node 'password)))))))
  77
  78 ;;;###autoload
  79 (defun jabber-get-bookmarks (jc cont &optional refresh)
  80   "Retrieve bookmarks (if needed) and call CONT.
  81 Arguments to CONT are JC and the bookmark list.  CONT will be
  82 called as the result of a filter function or a timer.
  83 If REFRESH is non-nil, always fetch bookmarks."
  84   (let ((bookmarks (gethash (jabber-connection-bare-jid jc) jabber-bookmarks)))
  85     (if (and (not refresh) bookmarks)
  86         (run-with-timer 0 nil cont jc (when (listp bookmarks) bookmarks))
  87       (let* ((cont cont)
  88                      (callback (lambda (jc result) (jabber-get-bookmarks-1 jc result cont))))
  89         (jabber-private-get jc 'storage "storage:bookmarks"
  90                             callback callback)))))
  91
  92 (defun jabber-get-bookmarks-1 (jc result cont)
  93   (let ((my-jid (jabber-connection-bare-jid jc))
  94         (value
  95          (if (eq (jabber-xml-node-name result) 'storage)
  96              (or (jabber-xml-node-children result) t)
  97            t)))
  98     (puthash my-jid value jabber-bookmarks)
  99     (funcall cont jc (when (listp value) value))))
 100
 101 ;;;###autoload
 102 (defun jabber-get-bookmarks-from-cache (jc)
 103   "Return cached bookmarks for JC.
 104 If bookmarks have not yet been fetched by `jabber-get-bookmarks',
 105 return nil."
 106   (gethash (jabber-connection-bare-jid jc) jabber-bookmarks))
 107
 108 (defun jabber-set-bookmarks (jc bookmarks &optional callback)
 109   "Set bookmarks to BOOKMARKS, which is a list of XML elements.
 110 If CALLBACK is non-nil, call it with JC and t or nil as arguments
 111 on success or failure, respectively."
 112   (unless callback
 113     (setq callback #'ignore))
 114   (jabber-private-set
 115    jc
 116    `(storage ((xmlns . "storage:bookmarks"))
 117              ,@bookmarks)
 118    callback t
 119    callback nil))
 120
 121 ;;;###autoload
 122 (defun jabber-edit-bookmarks (jc)
 123   "Create a buffer for editing bookmarks interactively.
 124
 125 JC is the Jabber connection."
 126   (interactive (list (jabber-read-account)))
 127   (jabber-get-bookmarks jc 'jabber-edit-bookmarks-1 t))
 128
 129 (defun jabber-edit-bookmarks-1 (jc bookmarks)
 130   (setq bookmarks
 131         (mapcar
 132          (lambda (e)
 133            (cl-case (jabber-xml-node-name e)
 134              (url
 135               (list 'url (or (jabber-xml-get-attribute e 'url) "")
 136                     (or (jabber-xml-get-attribute e 'name) "")))
 137              (conference
 138               (list 'conference
 139                     (or (jabber-xml-get-attribute e 'jid) "")
 140                     (or (jabber-xml-get-attribute e 'name) "")
 141                     (not (not (member (jabber-xml-get-attribute e 'autojoin)
 142                                       '("true" "1"))))
 143                     (or (jabber-xml-path e '(nick "")) "")
 144                     (or (jabber-xml-path e '(password "")) "")))))
 145          bookmarks))
 146   (setq bookmarks (delq nil bookmarks))
 147   (with-current-buffer (get-buffer-create "Edit bookmarks")
 148     (jabber-init-widget-buffer nil)
 149     (setq jabber-buffer-connection jc)
 150
 151     (widget-insert (jabber-propertize (concat "Edit bookmarks for "
 152                                               (jabber-connection-bare-jid jc))
 153                                       'face 'jabber-title-large)
 154                    "\n\n")
 155
 156     (when (or (bound-and-true-p jabber-muc-autojoin)
 157               (bound-and-true-p jabber-muc-default-nicknames))
 158       (widget-insert "The variables `jabber-muc-autojoin' and/or `jabber-muc-default-nicknames'\n"
 159                      "contain values.  They are only available to jabber.el on this machine.\n"
 160                      "You may want to import them into your bookmarks, to make them available\n"
 161                      "to any client on any machine.\n")
 162       (widget-create 'push-button :notify 'jabber-bookmarks-import "Import values from variables")
 163       (widget-insert "\n\n"))
 164
 165     (push (cons 'bookmarks
 166                 (widget-create
 167                  '(repeat
 168                    :tag "Bookmarks"
 169                    (choice
 170                     (list :tag "Conference"
 171                           (const :format "" conference)
 172                           (string :tag "JID") ;XXX: jid widget type?
 173                           (string :tag "Name")
 174                           (checkbox :tag "Autojoin" :format "%[%v%] Autojoin?\n")
 175                           (string :tag "Nick")        ;or nil?
 176                           (string :tag "Password")    ;or nil?
 177                           )
 178                     (list :tag "URL"
 179                           (const :format "" url)
 180                           (string :tag "URL")
 181                           (string :tag "Name"))))
 182                  :value bookmarks))
 183           jabber-widget-alist)
 184
 185     (widget-insert "\n")
 186     (widget-create 'push-button :notify 'jabber-bookmarks-submit "Submit")
 187
 188     (widget-setup)
 189     (widget-minor-mode 1)
 190     (switch-to-buffer (current-buffer))
 191     (goto-char (point-min))))
 192
 193 (defun jabber-bookmarks-submit (&rest _ignore)
 194   (let ((bookmarks (widget-value (cdr (assq 'bookmarks jabber-widget-alist)))))
 195     (setq bookmarks
 196           (mapcar
 197            (lambda (entry)
 198              (cl-case (car entry)
 199                (url
 200                 (cl-destructuring-bind (symbol url name) entry
 201                   `(url ((url . ,url)
 202                          (name . ,name)))))
 203                (conference
 204                 (cl-destructuring-bind (symbol jid name autojoin nick password)
 205                     entry
 206                   `(conference ((jid . ,jid)
 207                                 (name . ,name)
 208                                 (autojoin . ,(if autojoin
 209                                                  "1"
 210                                                "0")))
 211                                ,@(unless (zerop (length nick))
 212                                    `((nick () ,nick)))
 213                                ,@(unless (zerop (length password))
 214                                    `((password () ,password))))))))
 215            bookmarks))
 216     (remhash (jabber-connection-bare-jid jabber-buffer-connection) jabber-bookmarks)
 217     (jabber-private-set
 218      jabber-buffer-connection
 219      `(storage ((xmlns . "storage:bookmarks"))
 220                ,@bookmarks)
 221      'jabber-report-success "Storing bookmarks"
 222      'jabber-report-success "Storing bookmarks")))
 223
 224 (defun jabber-bookmarks-import (&rest _ignore)
 225   (let* ((value (widget-value (cdr (assq 'bookmarks jabber-widget-alist))))
 226          (conferences (mapcar
 227                        'cdr
 228                        (cl-remove-if-not
 229                         (lambda (entry)
 230                           (eq (car entry) 'conference))
 231                         value))))
 232     (dolist (default-nickname jabber-muc-default-nicknames)
 233       (cl-destructuring-bind (muc-jid . nick) default-nickname
 234         (let ((entry (assoc muc-jid conferences)))
 235           (if entry
 236               (setf (cl-fourth entry) nick)
 237             (setq entry (list muc-jid "" nil nick ""))
 238             (push entry conferences)
 239             (push (cons 'conference entry) value)))))
 240     (dolist (autojoin jabber-muc-autojoin)
 241       (let ((entry (assoc autojoin conferences)))
 242         (if entry
 243             (setf (cl-third entry) t)
 244           (setq entry (list autojoin "" t "" ""))
 245           (push (cons 'conference entry) value))))
 246     (widget-value-set (cdr (assq 'bookmarks jabber-widget-alist)) value)
 247     (widget-setup)))
 248
 249 (provide 'jabber-bookmarks)
 250 ;; arch-tag: a7d6f862-bac0-11db-831f-000a95c2fcd0