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91 lines
2.9 KiB
C++
91 lines
2.9 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "UniversalDirectoryLock.h"
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#include <utility>
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#include "nsDebug.h"
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#include "nsString.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/NotNull.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/ReverseIterator.h"
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#include "mozilla/dom/Nullable.h"
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#include "mozilla/dom/quota/ClientDirectoryLock.h"
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#include "mozilla/dom/quota/CommonMetadata.h"
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#include "mozilla/dom/quota/OriginScope.h"
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#include "mozilla/dom/quota/PersistenceScope.h"
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#include "mozilla/dom/quota/QuotaManager.h"
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namespace mozilla::dom::quota {
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RefPtr<ClientDirectoryLock> UniversalDirectoryLock::SpecializeForClient(
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PersistenceType aPersistenceType,
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const quota::OriginMetadata& aOriginMetadata,
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Client::Type aClientType) const {
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AssertIsOnOwningThread();
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MOZ_ASSERT(aPersistenceType != PERSISTENCE_TYPE_INVALID);
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MOZ_ASSERT(!aOriginMetadata.mGroup.IsEmpty());
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MOZ_ASSERT(!aOriginMetadata.mOrigin.IsEmpty());
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MOZ_ASSERT(aClientType < Client::TypeMax());
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MOZ_ASSERT(mAcquirePromiseHolder.IsEmpty());
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MOZ_ASSERT(mBlockedOn.IsEmpty());
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if (NS_WARN_IF(mExclusive)) {
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return nullptr;
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}
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RefPtr<ClientDirectoryLock> lock = ClientDirectoryLock::Create(
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mQuotaManager, PersistenceScope::CreateFromValue(aPersistenceType),
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OriginScope::FromOrigin(aOriginMetadata),
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Nullable<Client::Type>(aClientType),
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/* aExclusive */ false, mInternal, ShouldUpdateLockIdTableFlag::Yes,
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mCategory);
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if (NS_WARN_IF(!Overlaps(*lock))) {
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return nullptr;
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}
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#ifdef DEBUG
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for (DirectoryLockImpl* const existingLock :
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Reversed(mQuotaManager->mDirectoryLocks)) {
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if (existingLock != this && !existingLock->MustWaitFor(*this)) {
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MOZ_ASSERT(!existingLock->MustWaitFor(*lock));
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}
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}
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#endif
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for (const auto& blockedLock : mBlocking) {
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if (blockedLock->MustWaitFor(*lock)) {
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lock->AddBlockingLock(*blockedLock);
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blockedLock->AddBlockedOnLock(*lock);
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}
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}
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mQuotaManager->RegisterDirectoryLock(*lock);
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if (mInvalidated) {
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lock->Invalidate();
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}
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return lock;
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}
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// static
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RefPtr<UniversalDirectoryLock> UniversalDirectoryLock::CreateInternal(
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MovingNotNull<RefPtr<QuotaManager>> aQuotaManager,
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const PersistenceScope& aPersistenceScope, const OriginScope& aOriginScope,
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const Nullable<Client::Type>& aClientType, bool aExclusive,
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DirectoryLockCategory aCategory) {
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MOZ_ASSERT_IF(aOriginScope.IsOrigin(), !aOriginScope.GetOrigin().IsEmpty());
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return MakeRefPtr<UniversalDirectoryLock>(
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std::move(aQuotaManager), aPersistenceScope, aOriginScope, aClientType,
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aExclusive, true, ShouldUpdateLockIdTableFlag::Yes, aCategory);
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}
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} // namespace mozilla::dom::quota
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