1 files changed, 53 insertions, 0 deletions
diff --git a/dom/fs/api/FileSystemDirectoryIterator.cpp b/dom/fs/api/FileSystemDirectoryIterator.cpp
new file mode 100644
index 0000000000..45e7511e4a
--- /dev/null
+++ b/dom/fs/api/FileSystemDirectoryIterator.cpp
@@ -0,0 +1,53 @@
+/* -*- 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 "FileSystemDirectoryIterator.h"
+
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/FileSystemDirectoryIteratorBinding.h"
+#include "mozilla/dom/FileSystemManager.h"
+#include "mozilla/dom/Promise.h"
+
+namespace mozilla::dom {
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemDirectoryIterator)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+NS_IMPL_CYCLE_COLLECTING_ADDREF(FileSystemDirectoryIterator);
+NS_IMPL_CYCLE_COLLECTING_RELEASE(FileSystemDirectoryIterator);
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileSystemDirectoryIterator, mGlobal);
+
+FileSystemDirectoryIterator::FileSystemDirectoryIterator(
+    nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
+    UniquePtr<Impl> aImpl)
+    : mGlobal(aGlobal), mManager(aManager), mImpl(std::move(aImpl)) {}
+
+// WebIDL Boilerplate
+
+nsIGlobalObject* FileSystemDirectoryIterator::GetParentObject() const {
+  return mGlobal;
+}
+
+JSObject* FileSystemDirectoryIterator::WrapObject(
+    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
+  return FileSystemDirectoryIterator_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+// WebIDL Interface
+
+already_AddRefed<Promise> FileSystemDirectoryIterator::Next(
+    ErrorResult& aError) {
+  RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
+  if (aError.Failed()) {
+    return nullptr;
+  }
+
+  MOZ_ASSERT(mImpl);
+  return mImpl->Next(mGlobal, mManager, aError);
+}
+
+}  // namespace mozilla::dom