Re-auth on visibility change

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);

client/state/AppState.ts

@@ -38,7 +38,15 @@ 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() {