1 files changed, 60 insertions, 0 deletions
diff --git a/server/sonar-web/design-system/src/components/FocusOutHandler.tsx b/server/sonar-web/design-system/src/components/FocusOutHandler.tsx
new file mode 100644
index 00000000000..dbd700e633a
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+++ b/server/sonar-web/design-system/src/components/FocusOutHandler.tsx
@@ -0,0 +1,60 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2023 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import * as React from 'react';
+
+interface Props extends React.BaseHTMLAttributes<HTMLDivElement> {
+  innerRef?: (instance: HTMLDivElement) => void;
+  onFocusOut: () => void;
+}
+
+export default class FocusOutHandler extends React.PureComponent<React.PropsWithChildren<Props>> {
+  ref?: HTMLDivElement;
+
+  componentDidMount() {
+    setTimeout(() => {
+      document.addEventListener('focusin', this.handleFocusOut);
+    }, 0);
+  }
+
+  componentWillUnmount() {
+    document.removeEventListener('focusin', this.handleFocusOut);
+  }
+
+  nodeRef = (node: HTMLDivElement) => {
+    const { innerRef } = this.props;
+    this.ref = node;
+    innerRef?.(node);
+  };
+
+  handleFocusOut = () => {
+    if (this.ref?.querySelector(':focus') === null) {
+      this.props.onFocusOut();
+    }
+  };
+
+  render() {
+    const { onFocusOut, innerRef, children, ...props } = this.props;
+    return (
+      <div ref={this.nodeRef} {...props}>
+        {children}
+      </div>
+    );
+  }
+}