1 files changed, 44 insertions, 0 deletions
diff --git a/dom/base/PlacesWeakCallbackWrapper.cpp b/dom/base/PlacesWeakCallbackWrapper.cpp
new file mode 100644
index 0000000000..cef07fa126
--- /dev/null
+++ b/dom/base/PlacesWeakCallbackWrapper.cpp
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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/. */
+
+#include "mozilla/dom/PlacesWeakCallbackWrapper.h"
+
+#include "mozilla/HoldDropJSObjects.h"
+#include "mozilla/dom/ContentProcessMessageManager.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WEAK_PTR(PlacesWeakCallbackWrapper,
+                                               mParent, mCallback)
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(PlacesWeakCallbackWrapper, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(PlacesWeakCallbackWrapper, Release)
+
+PlacesWeakCallbackWrapper::PlacesWeakCallbackWrapper(
+    nsISupports* aParent, PlacesEventCallback& aCallback)
+    : mParent(do_GetWeakReference(aParent)), mCallback(&aCallback) {}
+
+already_AddRefed<PlacesWeakCallbackWrapper>
+PlacesWeakCallbackWrapper::Constructor(const GlobalObject& aGlobal,
+                                       PlacesEventCallback& aCallback) {
+  nsCOMPtr<nsISupports> parent = aGlobal.GetAsSupports();
+  RefPtr<PlacesWeakCallbackWrapper> wrapper =
+      new PlacesWeakCallbackWrapper(parent, aCallback);
+  return wrapper.forget();
+}
+
+PlacesWeakCallbackWrapper::~PlacesWeakCallbackWrapper() = default;
+
+nsISupports* PlacesWeakCallbackWrapper::GetParentObject() const {
+  nsCOMPtr<nsISupports> parent = do_QueryReferent(mParent);
+  return parent;
+}
+
+JSObject* PlacesWeakCallbackWrapper::WrapObject(
+    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
+  return PlacesWeakCallbackWrapper_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+}  // namespace mozilla::dom