72 lines
2.1 KiB
C++
72 lines
2.1 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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#ifndef DOM_QUOTA_UNIVERSALDIRECTORYLOCK_H_
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#define DOM_QUOTA_UNIVERSALDIRECTORYLOCK_H_
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#include "mozilla/dom/quota/Client.h"
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#include "mozilla/dom/quota/DirectoryLockImpl.h"
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#include "mozilla/dom/quota/PersistenceType.h"
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template <class T>
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class RefPtr;
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namespace mozilla {
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template <typename T>
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class MovingNotNull;
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} // namespace mozilla
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namespace mozilla::dom {
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template <typename T>
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struct Nullable;
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} // namespace mozilla::dom
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namespace mozilla::dom::quota {
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class ClientDirectoruLock;
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enum class DirectoryLockCategory : uint8_t;
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struct OriginMetadata;
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class OriginScope;
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class PersistenceScope;
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class QuotaManager;
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// A directory lock for universal use. A universal lock can handle any possible
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// combination of nullable persistence type, origin scope and nullable client
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// type.
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//
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// For example, if the persistence type is set to null, origin scope is null
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// and the client type is set to Client::IDB, then the lock will cover
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// <profile>/storage/*/*/idb
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//
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// If no property is set, then the lock will cover the entire storage directory
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// and its subdirectories.
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class UniversalDirectoryLock final : public DirectoryLockImpl {
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friend class QuotaManager;
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public:
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using DirectoryLockImpl::DirectoryLockImpl;
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RefPtr<ClientDirectoryLock> 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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private:
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static RefPtr<UniversalDirectoryLock> CreateInternal(
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MovingNotNull<RefPtr<QuotaManager>> aQuotaManager,
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const PersistenceScope& aPersistenceScope,
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const OriginScope& aOriginScope,
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const ClientStorageScope& aClientStorageScope, bool aExclusive,
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DirectoryLockCategory aCategory);
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};
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} // namespace mozilla::dom::quota
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#endif // DOM_QUOTA_UNIVERSALDIRECTORYLOCK_H_
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