1 files changed, 46 insertions, 0 deletions
diff --git a/dom/fs/parent/FileSystemStreamCallbacks.cpp b/dom/fs/parent/FileSystemStreamCallbacks.cpp
new file mode 100644
index 0000000000..8986b49358
--- /dev/null
+++ b/dom/fs/parent/FileSystemStreamCallbacks.cpp
@@ -0,0 +1,46 @@
+/* -*- 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 "FileSystemStreamCallbacks.h"
+
+namespace mozilla::dom {
+
+bool FileSystemStreamCallbacks::HasNoRemoteQuotaObjectParents() const {
+  return !mRemoteQuotaObjectParents.Count();
+}
+
+void FileSystemStreamCallbacks::SetRemoteQuotaObjectParentCallback(
+    std::function<void()>&& aCallback) {
+  mRemoteQuotaObjectParentCallback = std::move(aCallback);
+}
+
+NS_IMPL_ISUPPORTS(FileSystemStreamCallbacks, nsIInterfaceRequestor,
+                  quota::RemoteQuotaObjectParentTracker)
+
+NS_IMETHODIMP
+FileSystemStreamCallbacks::GetInterface(const nsIID& aIID, void** aResult) {
+  return QueryInterface(aIID, aResult);
+}
+
+void FileSystemStreamCallbacks::RegisterRemoteQuotaObjectParent(
+    NotNull<quota::RemoteQuotaObjectParent*> aActor) {
+  MOZ_ASSERT(!mRemoteQuotaObjectParents.Contains(aActor));
+
+  mRemoteQuotaObjectParents.Insert(aActor);
+}
+
+void FileSystemStreamCallbacks::UnregisterRemoteQuotaObjectParent(
+    NotNull<quota::RemoteQuotaObjectParent*> aActor) {
+  MOZ_ASSERT(mRemoteQuotaObjectParents.Contains(aActor));
+
+  mRemoteQuotaObjectParents.Remove(aActor);
+
+  if (!mRemoteQuotaObjectParents.Count() && mRemoteQuotaObjectParentCallback) {
+    mRemoteQuotaObjectParentCallback();
+  }
+}
+
+}  // namespace mozilla::dom