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/* -*- 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 "LSObserver.h"
// Local includes
#include "ActorsChild.h"
// Global includes
#include <utility>
#include "mozilla/StaticPtr.h"
#include "nsTHashMap.h"
#include "nsHashKeys.h"
namespace mozilla::dom {
namespace {
using LSObserverHashtable = nsTHashMap<nsCStringHashKey, LSObserver*>;
StaticAutoPtr<LSObserverHashtable> gLSObservers;
} // namespace
LSObserver::LSObserver(const nsACString& aOrigin)
: mActor(nullptr), mOrigin(aOrigin) {
AssertIsOnOwningThread();
if (!gLSObservers) {
gLSObservers = new LSObserverHashtable();
}
MOZ_ASSERT(!gLSObservers->Contains(mOrigin));
gLSObservers->InsertOrUpdate(mOrigin, this);
}
LSObserver::~LSObserver() {
AssertIsOnOwningThread();
if (mActor) {
mActor->SendDeleteMeInternal();
MOZ_ASSERT(!mActor, "SendDeleteMeInternal should have cleared!");
}
MOZ_ASSERT(gLSObservers);
MOZ_ASSERT(gLSObservers->Get(mOrigin));
gLSObservers->Remove(mOrigin);
if (!gLSObservers->Count()) {
gLSObservers = nullptr;
}
}
// static
LSObserver* LSObserver::Get(const nsACString& aOrigin) {
return gLSObservers ? gLSObservers->Get(aOrigin) : nullptr;
}
void LSObserver::SetActor(LSObserverChild* aActor) {
AssertIsOnOwningThread();
MOZ_ASSERT(aActor);
MOZ_ASSERT(!mActor);
mActor = aActor;
}
} // namespace mozilla::dom
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