From 89562b11b09e96cb275502a92169e8b8dc3f7256 Mon Sep 17 00:00:00 2001
From: Alex Mikhalev <alexmikhalevalex@gmail.com>
Date: Mon, 22 Jul 2019 22:43:25 -0600
Subject: [PATCH] Re-auth on visibility change

---
 client/sprinklersRpc/WebSocketRpcClient.ts | 4 ++++
 client/state/AppState.ts                   | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/client/sprinklersRpc/WebSocketRpcClient.ts b/client/sprinklersRpc/WebSocketRpcClient.ts
index 3c8ddc8..08bfe7f 100644
--- a/client/sprinklersRpc/WebSocketRpcClient.ts
+++ b/client/sprinklersRpc/WebSocketRpcClient.ts
@@ -92,6 +92,10 @@ export class WebSocketRpcClient extends s.SprinklersRPC {
     this._connect();
   }
 
+  reconnect() {
+    this._connect();
+  }
+
   stop() {
     if (this.reconnectTimer != null) {
       clearTimeout(this.reconnectTimer);
diff --git a/client/state/AppState.ts b/client/state/AppState.ts
index 089f3c7..723796e 100644
--- a/client/state/AppState.ts
+++ b/client/state/AppState.ts
@@ -38,8 +38,16 @@ export default class AppState extends TypedEventEmitter<AppEvents> {
       when(() => !this.tokenStore.accessToken.isValid, this.checkToken);
       this.sprinklersRpc.start();
     });
+
+    document.addEventListener("visibilitychange", this.onPageFocus);
   }
 
+  onPageFocus = () => {
+    if (document.visibilityState === "visible") {
+      this.sprinklersRpc.reconnect();
+    }
+  };
+
   @computed
   get isLoggedIn() {
     return this.tokenStore.accessToken.isValid;