From 184f1cee33c8d022e3c09822a65502077c3cdf5c Mon Sep 17 00:00:00 2001
From: Youen Toupin <youen.toupin@youb.fr>
Date: Sat, 9 Apr 2022 20:05:22 +0200
Subject: [PATCH] added debug code to display how often mithril redraws

---
 WebApp/src/layout.tsx                         | 5 +++++
 WebApp/src/pages/dashboard/dashboard-page.tsx | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/WebApp/src/layout.tsx b/WebApp/src/layout.tsx
index f1497ef..89e3bf6 100644
--- a/WebApp/src/layout.tsx
+++ b/WebApp/src/layout.tsx
@@ -4,8 +4,11 @@ require("./layout.css");
 
 export default class Layout {
 	private menuActive = false;
+	private drawCount = 0;
 	
 	view(vnode: m.Vnode) {
+		this.drawCount = this.drawCount + 1;
+		
 		return [
 			<nav class="navbar" role="navigation" aria-label="main navigation">
 				<div class="navbar-brand">
@@ -16,6 +19,8 @@ export default class Layout {
 						<span aria-hidden="true"></span>
 						<span aria-hidden="true"></span>
 					</a>
+					
+					<span>{this.drawCount}</span>
 				</div>
 			
 				<div id="mainMenu" class={'navbar-menu ' + (this.menuActive ? 'is-active' : '')}>
diff --git a/WebApp/src/pages/dashboard/dashboard-page.tsx b/WebApp/src/pages/dashboard/dashboard-page.tsx
index 555c321..35d7972 100644
--- a/WebApp/src/pages/dashboard/dashboard-page.tsx
+++ b/WebApp/src/pages/dashboard/dashboard-page.tsx
@@ -17,7 +17,10 @@ export class DashboardPage extends Page {
 	}
 	
 	async refresh() {
-		this.status = await MonitorApi.get().fetchStatus();
+		let newStatus = await MonitorApi.get().fetchStatus();
+		if(this.status == null)
+			m.redraw();
+		this.status = newStatus;
 		// todo: update widgets (avoiding to use m.redraw which is a bit costly on CPU)
 		if(this.autoRefresh)
 			setTimeout(() => { if(this.autoRefresh) this.refresh(); }, 500);