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