spacemacs/layers/geolocation/extensions/theme-changer/theme-changer.el

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;;; theme-changer.el --- geolocation configuration File for Spacemacs
;;
;; Copyright (c) 2012-2014 Sylvain Benner
;; Copyright (c) 2014-2015 Uri Sharf & Contributors
;;
;; Author: Uri Sharf <uri.sharf@me.com>
;; URL: https://github.com/usharf/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(require 'rase)
(defun theme-changer/switch-themes (sun-event &optional first-run)
"Switch first two themes in dotspacemacs-themes on sunrise and sunset."
(if first-run ; set theme on initialization
(cond ((memq sun-event '(sunrise midday))
(load-theme (nth 0 dotspacemacs-themes) t))
((memq sun-event '(sunset midnight))
(load-theme (nth 1 dotspacemacs-themes) t)))
(cond ((eq sun-event 'sunrise) ; after initialization deal only with
; sunrise and sunset
(load-theme (nth 0 dotspacemacs-themes) t))
((eq sun-event 'sunset)
(load-theme (nth 1 dotspacemacs-themes) t))))
)
(with-eval-after-load 'rase ; probably redaundant because it's a post extension
(add-hook 'rase-functions 'theme-changer/switch-themes)
(rase-start t))
(provide 'theme-changer)