1 files changed, 20 insertions, 0 deletions
diff --git a/toolkit/actors/PrintingSelectionChild.sys.mjs b/toolkit/actors/PrintingSelectionChild.sys.mjs
new file mode 100644
index 0000000000..c8dfe39449
--- /dev/null
+++ b/toolkit/actors/PrintingSelectionChild.sys.mjs
@@ -0,0 +1,20 @@
+/* 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/. */
+
+export class PrintingSelectionChild extends JSWindowActorChild {
+  receiveMessage(message) {
+    switch (message.name) {
+      case "PrintingSelection:HasSelection":
+        return this.hasSelection();
+    }
+
+    return undefined;
+  }
+
+  hasSelection() {
+    let selection = this.browsingContext.associatedWindow?.getSelection();
+    return selection && selection.type == "Range";
+  }
+}