my-emacs-d/elpa/gnome-calendar-20140112.359/gnome-calendar.el

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2016-09-15 11:54:46 +00:00
;;; gnome-calendar.el --- Integration with the GNOME Shell calendar
;; Copyright (C) 2013-2014 Nicolas Petton
;;
;; Author: Nicolas Petton <petton.nicolas@gmail.com>
;; Keywords: gnome calendar
;; Package-Version: 20140112.359
;; Package: gnome-calendar
;; Version: 0.2
;; gnome-calendar 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, or (at
;; your option) any later version.
;;
;; gnome-calendar.el 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.
;;
;;; Commentary:
;;; GNOME Shell calendar integration
;;; Code:
(require 'dbus)
(defvar gsc-gnome-calendar-dbus-object nil)
(defvar gsc-get-items-function nil "function to be called to retrieve items")
(defun gnome-shell-calendar-register-service (function)
"Register to the GnomeShell calendar service.
FUNCTION is called to fill the Gnome calendar with items."
(setq gsc-get-items-function function)
(dbus-register-service :session
"org.gnome.Shell.CalendarServer"
:replace-existing)
(setq gsc-gnome-calendar-dbus-object
(dbus-register-method :session
"org.gnome.Shell.CalendarServer"
"/org/gnome/Shell/CalendarServer"
"org.gnome.Shell.CalendarServer"
"GetEvents"
'gsc-select-items)))
(defun gnome-shell-calendar-unregister-service ()
"Unregister from the DBus service"
(when gsc-gnome-calendar-dbus-object
(dbus-unregister-object gsc-gnome-calendar-dbus-object)
(dbus-unregister-service :session "org.gnome.Shell.CalendarServer")
(setq gsc-gnome-calendar-dbus-object nil)))
(defun gsc-select-items (since until force-reload)
(let ((day-since (floor (time-to-number-of-days (seconds-to-time since))))
(day-until (floor (time-to-number-of-days (seconds-to-time until))))
(items (funcall gsc-get-items-function))
selected-items)
(dolist (item items)
(let ((day (floor (time-to-number-of-days (cdr item)))))
(when (and (>= day day-since)
(<= day day-until))
(add-to-list 'selected-items item))))
(list :array (gsc-items-to-dbus-entries selected-items))))
(defun gsc-items-to-dbus-entries (items)
(mapcar (lambda (item)
(list :struct
""
(car item)
""
:boolean (not (gsc-item-has-time-p item))
:int64 (floor (time-to-seconds (cdr item)))
:int64 (+ 1 (floor (time-to-seconds (cdr item))))
(list :array :signature "{sv}")))
items))
(defun gsc-item-has-time-p (item)
(let ((time (decode-time (cdr item))))
(or (not (= 0 (nth 0 time)))
(not (= 0 (nth 1 time)))
(not (= 0 (nth 2 time))))))
(provide 'gnome-calendar)
;;; gnome-calendar.el ends here