From f78831b4c2482e646d1bf5110a9f2b6b52fb819b Mon Sep 17 00:00:00 2001
From: Graham Langford <30706330+grahamlangford@users.noreply.github.com>
Date: Fri, 26 Jul 2024 12:31:02 -0500
Subject: [PATCH] #8933: adds mousedown handler to solve document mousedown
 handler bug (#8931)

* adds mousedown handler to solve document mousedown handler bug

* explain the mousedown event
---
 src/contentScript/focusCaptureDialog.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/contentScript/focusCaptureDialog.ts b/src/contentScript/focusCaptureDialog.ts
index 15f05e5efa..1da1a97485 100644
--- a/src/contentScript/focusCaptureDialog.ts
+++ b/src/contentScript/focusCaptureDialog.ts
@@ -63,6 +63,13 @@ async function rawFocusCaptureDialog({
   dialog.showModal();
 
   const anyPromiseWillCloseTheDialog = [
+    // In Chrome 127.0.6533.73, the `chrome.sidePanel.open()` API started throwing user gesture errors
+    // when a message from the content script was sent to the background script.
+    // The root cause appears to be a registered mousedown handler on the document that sends a message
+    // Adding `mousedown` here ensures that the sidePanel.open call is made before the message for the mousedown
+    // handler on the document is sent.
+    // See https://issues.chromium.org/issues/355266358 for more details.
+    oneEvent(button, "mousedown"),
     oneEvent(button, "click"),
     oneEvent(dialog, "cancel"),
     onContextInvalidated.promise,