From cf483f214ed17df0e380fe4e9d73dcd65ab39be0 Mon Sep 17 00:00:00 2001
From: Thomas Weber <weber_t@mailbox.org>
Date: Wed, 6 Oct 2021 19:08:50 -0500
Subject: [PATCH] Sync local cloud variable changes across local windows

closes #183
---
 src/scaffolding/cloud.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/scaffolding/cloud.js b/src/scaffolding/cloud.js
index cfa8a83..285ad0c 100644
--- a/src/scaffolding/cloud.js
+++ b/src/scaffolding/cloud.js
@@ -185,6 +185,7 @@ class LocalStorageProvider {
   constructor (key='p4:cloudvariables') {
     this.key = key;
     this.variables = {};
+    this.handleStorageEvent = this.handleStorageEvent.bind(this);
   }
 
   readFromLocalStorage () {
@@ -211,8 +212,15 @@ class LocalStorageProvider {
     }
   }
 
+  handleStorageEvent (e) {
+    if (e.key === this.key && e.storageArea === localStorage) {
+      this.readFromLocalStorage();
+    }
+  }
+
   enable () {
     this.readFromLocalStorage();
+    window.addEventListener('storage', this.handleStorageEvent);
   }
 
   handleUpdateVariable (name, value) {