1 files changed, 47 insertions, 0 deletions
diff --git a/toolkit/actors/FindBarParent.sys.mjs b/toolkit/actors/FindBarParent.sys.mjs
new file mode 100644
index 0000000000..eaf42b634e
--- /dev/null
+++ b/toolkit/actors/FindBarParent.sys.mjs
@@ -0,0 +1,47 @@
+/* vim: set ts=2 sw=2 sts=2 et tw=80: */
+/* 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/. */
+
+// Map of browser elements to findbars.
+let findbars = new WeakMap();
+
+export class FindBarParent extends JSWindowActorParent {
+  setFindbar(browser, findbar) {
+    if (findbar) {
+      findbars.set(browser, findbar);
+    } else {
+      findbars.delete(browser, findbar);
+    }
+  }
+
+  receiveMessage(message) {
+    let browser = this.manager.browsingContext.top.embedderElement;
+    if (!browser) {
+      return;
+    }
+
+    let respondToMessage = () => {
+      let findBar = findbars.get(browser);
+      if (!findBar) {
+        return;
+      }
+
+      switch (message.name) {
+        case "Findbar:Keypress":
+          findBar._onBrowserKeypress(message.data);
+          break;
+        case "Findbar:Mouseup":
+          findBar.onMouseUp();
+          break;
+      }
+    };
+
+    let findPromise = browser.ownerGlobal.gFindBarPromise;
+    if (findPromise) {
+      findPromise.then(respondToMessage);
+    } else {
+      respondToMessage();
+    }
+  }
+}