gecko-dev/dom/storage/SessionStorageObserver.cpp

56 lines
1.4 KiB
C++

/* -*- 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