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+;;; sx-notify.el --- Mode-line notifications. -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2014  Artur Malabarba
+
+;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+
+;;; Code:
+
+(require 'sx)
+(require 'sx-inbox)
+
+
+;;; mode-line notification
+(defvar sx-notify--mode-line
+  '((sx-inbox--unread-inbox (sx-inbox--unread-notifications " ["))
+    (sx-inbox--unread-inbox
+     (:propertize
+      (:eval (format "i:%s" (length sx-inbox--unread-inbox)))
+      face mode-line-buffer-id
+      mouse-face mode-line-highlight))
+    (sx-inbox--unread-inbox (sx-inbox--unread-notifications " "))
+    (sx-inbox--unread-notifications
+     (:propertize
+      (:eval (format "n:%s" (length sx-inbox--unread-notifications)))
+      mouse-face mode-line-highlight))
+    (sx-inbox--unread-inbox (sx-notify--unread-notifications "]")))
+  "")
+(put 'sx-notify--mode-line 'risky-local-variable t)
+
+
+;;; minor-mode definition
+(defcustom sx-notify-timer-delay (* 60 5)
+  "Idle time, in seconds, before querying for inbox items."
+  :type 'integer
+  :group 'sx-notify)
+
+(defvar sx-notify--timer nil
+  "Timer used for fetching notifications.")
+
+(define-minor-mode sx-notify-mode nil nil nil nil
+  :global t
+  (if sx-notify-mode
+      (progn
+        (add-to-list 'global-mode-string '(t sx-notify--mode-line) 'append)
+        (setq sx-notify--timer
+              (run-with-idle-timer sx-notify-timer-delay 'repeat
+                                   #'sx-notify--update-unread)))
+    (when (timerp sx-notify--timer)
+      (cancel-timer sx-notify--timer)
+      (setq sx-notify--timer nil))
+    (setq global-mode-string
+          (delete '(t sx-notify--mode-line) global-mode-string))))
+
+(defun sx-notify--update-unread ()
+  "Update the lists of unread notifications."
+  (setq sx-inbox--unread-inbox
+        (cl-remove-if
+         (lambda (x) (member (cdr (assq 'link x)) sx-inbox--read-inbox))
+         (append (sx-inbox-get) nil)))
+  (setq sx-inbox--unread-notifications
+        (cl-remove-if
+         (lambda (x) (member (cdr (assq 'link x)) sx-inbox--read-notifications))
+         (append (sx-inbox-get t) nil))))
+
+(provide 'sx-notify)
+;;; sx-notify.el ends here
+
+;; Local Variables:
+;; indent-tabs-mode: nil
+;; End: