1 files changed, 39 insertions, 0 deletions
diff --git a/toolkit/actors/ClipboardReadPasteChild.sys.mjs b/toolkit/actors/ClipboardReadPasteChild.sys.mjs
new file mode 100644
index 0000000000..e8b113bd68
--- /dev/null
+++ b/toolkit/actors/ClipboardReadPasteChild.sys.mjs
@@ -0,0 +1,39 @@
+/* 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/. */
+
+/**
+ * Propagates "MozClipboardReadPaste" events from a content process to the
+ * chrome process.
+ * Receives messages from the chrome process.
+ */
+export class ClipboardReadPasteChild extends JSWindowActorChild {
+  constructor() {
+    super();
+  }
+
+  // EventListener interface.
+  handleEvent(aEvent) {
+    if (aEvent.type == "MozClipboardReadPaste" && aEvent.isTrusted) {
+      this.sendAsyncMessage("ClipboardReadPaste:ShowMenupopup", {});
+    }
+  }
+
+  // For JSWindowActorChild.
+  receiveMessage(value) {
+    switch (value.name) {
+      case "ClipboardReadPaste:PasteMenuItemClicked": {
+        this.contentWindow.navigator.clipboard.onUserReactedToPasteMenuPopup(
+          true
+        );
+        break;
+      }
+      case "ClipboardReadPaste:PasteMenuItemDismissed": {
+        this.contentWindow.navigator.clipboard.onUserReactedToPasteMenuPopup(
+          false
+        );
+        break;
+      }
+    }
+  }
+}