1 files changed, 24 insertions, 0 deletions
diff --git a/devtools/shared/commands/resource/legacy-listeners/reflow.js b/devtools/shared/commands/resource/legacy-listeners/reflow.js
new file mode 100644
index 0000000000..63802f510d
--- /dev/null
+++ b/devtools/shared/commands/resource/legacy-listeners/reflow.js
@@ -0,0 +1,24 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const ResourceCommand = require("resource://devtools/shared/commands/resource/resource-command.js");
+
+module.exports = async function ({ targetFront, onAvailable }) {
+  if (!targetFront.getTrait("isBrowsingContext")) {
+    // The reflows only work with BrowsingContext targets
+    return;
+  }
+  const reflowFront = await targetFront.getFront("reflow");
+  reflowFront.on("reflows", reflows =>
+    onAvailable([
+      {
+        resourceType: ResourceCommand.TYPES.REFLOW,
+        reflows,
+      },
+    ])
+  );
+  await reflowFront.start();
+};