зеркало из https://github.com/mozilla/gecko-dev.git
61 строка
2.0 KiB
C++
61 строка
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/cache/ManagerId.h"
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#include "CacheCommon.h"
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#include "mozilla/dom/quota/QuotaManager.h"
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#include "nsIPrincipal.h"
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#include "nsProxyRelease.h"
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#include "mozilla/RefPtr.h"
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#include "nsThreadUtils.h"
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namespace mozilla::dom::cache {
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using mozilla::dom::quota::QuotaManager;
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// static
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Result<SafeRefPtr<ManagerId>, nsresult> ManagerId::Create(
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nsIPrincipal* aPrincipal) {
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MOZ_ASSERT(NS_IsMainThread());
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// QuotaManager::GetOriginFromPrincipal() has special logic for system
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// and about: principals. We need to use the same modified origin in
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// order to interpret calls from QM correctly.
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CACHE_TRY_INSPECT(const auto& quotaOrigin,
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QuotaManager::GetOriginFromPrincipal(aPrincipal));
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return MakeSafeRefPtr<ManagerId>(aPrincipal, quotaOrigin, ConstructorGuard{});
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}
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already_AddRefed<nsIPrincipal> ManagerId::Principal() const {
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MOZ_ASSERT(NS_IsMainThread());
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nsCOMPtr<nsIPrincipal> ref = mPrincipal;
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return ref.forget();
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}
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ManagerId::ManagerId(nsIPrincipal* aPrincipal, const nsACString& aQuotaOrigin,
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ConstructorGuard)
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: mPrincipal(aPrincipal), mQuotaOrigin(aQuotaOrigin) {
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MOZ_DIAGNOSTIC_ASSERT(mPrincipal);
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}
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ManagerId::~ManagerId() {
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// If we're already on the main thread, then default destruction is fine
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if (NS_IsMainThread()) {
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return;
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}
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// Otherwise we need to proxy to main thread to do the release
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// The PBackground worker thread shouldn't be running after the main thread
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// is stopped. So main thread is guaranteed to exist here.
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NS_ReleaseOnMainThread("ManagerId::mPrincipal", mPrincipal.forget());
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}
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} // namespace mozilla::dom::cache
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