From 38381c341cf5174c9e739d96a76c3c0e189cb439 Mon Sep 17 00:00:00 2001
From: Paolo Furini <paolo.furini@gmail.com>
Date: Thu, 27 Oct 2016 20:07:01 +0200
Subject: [PATCH] feat(authService): Add focus handler to check token
 expiration

---
 src/authService.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/authService.js b/src/authService.js
index c65190a..5b574b0 100644
--- a/src/authService.js
+++ b/src/authService.js
@@ -142,7 +142,7 @@ export class AuthService {
   setTimeout(ttl: number) {
     this.clearTimeout();
 
-    this.timeoutID = PLATFORM.global.setTimeout(() => {
+    const expiredTokenHandler = () => {
       if (this.config.autoUpdateToken
         && this.authentication.getAccessToken()
         && this.authentication.getRefreshToken()) {
@@ -156,7 +156,14 @@ export class AuthService {
       if (this.config.expiredRedirect) {
         PLATFORM.location.assign(this.config.expiredRedirect);
       }
-    }, ttl);
+    };
+
+    this.timeoutID = PLATFORM.global.setTimeout(expiredTokenHandler, ttl);
+    PLATFORM.addEventListener('focus', () => {
+      if (this.isTokenExpired()) {
+        expiredTokenHandler();
+      }
+    });
   }
 
   /**