Fixed LS stops working after OS sleep/wakeup cycle

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

arduino-ide-extension/src/browser/theia/plugin-ext/hosted-plugin.ts

@@ -0,0 +1,34 @@
+import { Emitter, Event, JsonRpcProxy } from '@theia/core';
+import { injectable, interfaces } from '@theia/core/shared/inversify';
+import { HostedPluginServer } from '@theia/plugin-ext/lib/common/plugin-protocol';
+import { HostedPluginSupport as TheiaHostedPluginSupport } from '@theia/plugin-ext/lib/hosted/browser/hosted-plugin';
+@injectable()
+export class HostedPluginSupport extends TheiaHostedPluginSupport {
+  private readonly onDidLoadEmitter = new Emitter<void>();
+  private readonly onDidCloseConnectionEmitter = new Emitter<void>();
+
+  override onStart(container: interfaces.Container): void {
+    super.onStart(container);
+    this.hostedPluginServer.onDidCloseConnection(() =>
+      this.onDidCloseConnectionEmitter.fire()
+    );
+  }
+
+  protected override async doLoad(): Promise<void> {
+    await super.doLoad();
+    this.onDidLoadEmitter.fire(); // Unlike Theia, IDE2 fires an event after loading the VS Code extensions.
+  }
+
+  get onDidLoad(): Event<void> {
+    return this.onDidLoadEmitter.event;
+  }
+
+  get onDidCloseConnection(): Event<void> {
+    return this.onDidCloseConnectionEmitter.event;
+  }
+
+  private get hostedPluginServer(): JsonRpcProxy<HostedPluginServer> {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    return (this as any).server;
+  }
+}