Improve heartbeat activity detection on onDidChangeWindowState event (#106)

* Improve heartbeat activity detection on `onDidChangeWindowState` event

* Don't check `active` as it's buggy

Author: mustard-mh

package.json

@@ -3,7 +3,7 @@
 	"displayName": "Gitpod",
 	"description": "Gitpod Support",
 	"publisher": "gitpod",
-	"version": "0.0.168",
+	"version": "0.0.169",
 	"license": "MIT",
 	"icon": "resources/gitpod.png",
 	"repository": {

src/heartbeat.ts

@@ -76,8 +76,10 @@ export class HeartbeatManager extends Disposable {
         this._register(vscode.window.onDidCloseTerminal(() => this.updateLastActivity('onDidCloseTerminal')));
         this._register(vscode.window.onDidChangeTerminalState(() => this.updateLastActivity('onDidChangeTerminalState')));
         this._register(vscode.window.onDidChangeWindowState((e) => {
-            this.focused = e.focused;
-            this.updateLastActivity('onDidChangeWindowState');
+            if (e.focused !== this.focused) {
+                this.focused = e.focused;
+                this.updateLastActivity('onDidChangeWindowState');
+            }
         }));
         this._register(vscode.window.onDidChangeActiveColorTheme(() => this.updateLastActivity('onDidChangeActiveColorTheme')));
         this._register(vscode.authentication.onDidChangeSessions(() => this.updateLastActivity('onDidChangeSessions')));