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/* -*- 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 */
#include "mozilla/dom/cache/ManagerId.h"
#include "CacheCommon.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "nsIPrincipal.h"
#include "nsProxyRelease.h"
#include "mozilla/RefPtr.h"
#include "nsThreadUtils.h"
namespace mozilla::dom::cache {
using mozilla::dom::quota::QuotaManager;
// static
Result<SafeRefPtr<ManagerId>, nsresult> ManagerId::Create(
nsIPrincipal* aPrincipal) {
// QuotaManager::GetOriginFromPrincipal() has special logic for system
// and about: principals. We need to use the same modified origin in
// order to interpret calls from QM correctly.
QM_TRY_INSPECT(const auto& quotaOrigin,
return MakeSafeRefPtr<ManagerId>(aPrincipal, quotaOrigin, ConstructorGuard{});
already_AddRefed<nsIPrincipal> ManagerId::Principal() const {
nsCOMPtr<nsIPrincipal> ref = mPrincipal;
return ref.forget();
ManagerId::ManagerId(nsIPrincipal* aPrincipal, const nsACString& aQuotaOrigin,
: mPrincipal(aPrincipal), mQuotaOrigin(aQuotaOrigin) {
ManagerId::~ManagerId() {
// If we're already on the main thread, then default destruction is fine
if (NS_IsMainThread()) {
// Otherwise we need to proxy to main thread to do the release
// The PBackground worker thread shouldn't be running after the main thread
// is stopped. So main thread is guaranteed to exist here.
NS_ReleaseOnMainThread("ManagerId::mPrincipal", mPrincipal.forget());
} // namespace mozilla::dom::cache