[Fix #47] Add beacon-before-blink-hook

diff --git a/beacon.el b/beacon.el
index 6c35e2b29393a7e6717917727df79798257435e4..54c9cdec73d573f17efde4e800369225d18377ef 100644 (file)
--- a/beacon.el
+++ b/beacon.el
@@ -166,6 +166,10 @@ predictable ways, when the blink would be more distracting
 than helpful.."
   :type '(repeat symbol))
 
+(defcustom beacon-before-blink-hook nil
+  "Hook run immediately before blinking the beacon."
+  :type 'hook)
+
 \f
 ;;; Internal variables
 (defvar beacon--window-scrolled nil)
@@ -321,6 +325,7 @@ unconditionally (even if `beacon-mode' is disabled), and this can
 be invoked as a user command or called from lisp code."
   (interactive)
   (beacon--vanish)
+  (run-hooks 'beacon-before-blink-hook)
   (beacon--shine)
   (setq beacon--timer
         (run-at-time beacon-blink-delay