1 files changed, 47 insertions, 0 deletions
diff --git a/toolkit/components/pdfjs/content/GeckoViewPdfjsChild.sys.mjs b/toolkit/components/pdfjs/content/GeckoViewPdfjsChild.sys.mjs
new file mode 100644
index 0000000000..e838c67874
--- /dev/null
+++ b/toolkit/components/pdfjs/content/GeckoViewPdfjsChild.sys.mjs
@@ -0,0 +1,47 @@
+/* Copyright 2022 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { GeckoViewActorChild } from "resource://gre/modules/GeckoViewActorChild.sys.mjs";
+
+export class GeckoViewPdfjsChild extends GeckoViewActorChild {
+  init(aSupportsFind) {
+    if (aSupportsFind) {
+      this.sendAsyncMessage("PDFJS:Parent:addEventListener");
+    }
+  }
+
+  dispatchEvent(aType, aDetail) {
+    const forward = this.contentWindow.document.createEvent("CustomEvent");
+    forward.initCustomEvent(aType, true, true, aDetail);
+    this.contentWindow.dispatchEvent(forward);
+  }
+
+  receiveMessage(aMsg) {
+    debug`receiveMessage: name=${aMsg.name}, data=${aMsg.data}`;
+
+    switch (aMsg.name) {
+      case "PDFJS:Child:handleEvent": {
+        const detail = Cu.cloneInto(aMsg.data.detail, this.contentWindow);
+        this.dispatchEvent(aMsg.data.type, detail);
+        break;
+      }
+      case "PDFJS:Child:getNimbus":
+        Services.obs.notifyObservers(aMsg.data, "pdfjs-getNimbus");
+        break;
+    }
+  }
+}
+
+const { debug } = GeckoViewPdfjsChild.initLogging("GeckoViewPdfjsChild");