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-rw-r--r--dom/storage/SessionStorageObserver.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/dom/storage/SessionStorageObserver.cpp b/dom/storage/SessionStorageObserver.cpp
new file mode 100644
index 0000000000..2963a046be
--- /dev/null
+++ b/dom/storage/SessionStorageObserver.cpp
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=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 "SessionStorageObserver.h"
+#include "StorageIPC.h"
+#include "mozilla/dom/LocalStorageCommon.h"
+
+namespace mozilla::dom {
+
+namespace {
+
+SessionStorageObserver* gSessionStorageObserver = nullptr;
+
+} // namespace
+
+SessionStorageObserver::SessionStorageObserver() : mActor(nullptr) {
+ AssertIsOnOwningThread();
+ MOZ_ASSERT(NextGenLocalStorageEnabled());
+
+ MOZ_ASSERT(!gSessionStorageObserver);
+ gSessionStorageObserver = this;
+}
+
+SessionStorageObserver::~SessionStorageObserver() {
+ AssertIsOnOwningThread();
+
+ if (mActor) {
+ mActor->SendDeleteMeInternal();
+ MOZ_ASSERT(!mActor, "SendDeleteMeInternal should have cleared!");
+ }
+
+ MOZ_ASSERT(gSessionStorageObserver);
+ gSessionStorageObserver = nullptr;
+}
+
+// static
+SessionStorageObserver* SessionStorageObserver::Get() {
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(NextGenLocalStorageEnabled());
+
+ return gSessionStorageObserver;
+}
+
+void SessionStorageObserver::SetActor(SessionStorageObserverChild* aActor) {
+ AssertIsOnOwningThread();
+ MOZ_ASSERT(aActor);
+ MOZ_ASSERT(!mActor);
+
+ mActor = aActor;
+}
+
+} // namespace mozilla::dom