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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <WebCore/UniqueIDBDatabase.h>
#include <WebCore/UniqueIDBDatabaseManager.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class IDBRequestData;
namespace IDBServer {
class IDBBackingStore;
class IDBConnectionToClient;
class UniqueIDBTransaction;
}
struct IDBDatabaseNameAndVersion;
}
namespace WebKit {
class IDBStorageRegistry;
class IDBStorageManager final : public WebCore::IDBServer::UniqueIDBDatabaseManager {
WTF_MAKE_TZONE_ALLOCATED(IDBStorageManager);
public:
static void createVersionDirectoryIfNeeded(const String& rootDirectory);
static String idbStorageOriginDirectory(const String& rootDirectory, const WebCore::ClientOrigin&);
static uint64_t idbStorageSize(const String& originDirectory);
static HashSet<WebCore::ClientOrigin> originsOfIDBStorageData(const String& rootDirectory);
static bool migrateOriginData(const String& oldOriginDirectory, const String& newOriginDirectory);
using QuotaCheckFunction = Function<void(uint64_t spaceRequested, CompletionHandler<void(bool)>&&)>;
IDBStorageManager(const String& path, IDBStorageRegistry&, QuotaCheckFunction&&);
~IDBStorageManager();
bool isActive() const;
bool hasDataInMemory() const;
void closeDatabasesForDeletion();
void stopDatabaseActivitiesForSuspend();
void handleLowMemoryWarning();
void openDatabase(WebCore::IDBServer::IDBConnectionToClient&, const WebCore::IDBOpenRequestData&);
void openDBRequestCancelled(const WebCore::IDBOpenRequestData&);
void deleteDatabase(WebCore::IDBServer::IDBConnectionToClient&, const WebCore::IDBOpenRequestData&);
Vector<WebCore::IDBDatabaseNameAndVersion> getAllDatabaseNamesAndVersions();
private:
WebCore::IDBServer::UniqueIDBDatabase& getOrCreateUniqueIDBDatabase(const WebCore::IDBDatabaseIdentifier&);
// WebCore::UniqueIDBDatabaseManager
void registerConnection(WebCore::IDBServer::UniqueIDBDatabaseConnection&) final;
void unregisterConnection(WebCore::IDBServer::UniqueIDBDatabaseConnection&) final;
void registerTransaction(WebCore::IDBServer::UniqueIDBDatabaseTransaction&) final;
void unregisterTransaction(WebCore::IDBServer::UniqueIDBDatabaseTransaction&) final;
std::unique_ptr<WebCore::IDBServer::IDBBackingStore> createBackingStore(const WebCore::IDBDatabaseIdentifier&) final;
void requestSpace(const WebCore::ClientOrigin&, uint64_t size, CompletionHandler<void(bool)>&&) final;
String m_path;
CheckedRef<IDBStorageRegistry> m_registry;
QuotaCheckFunction m_quotaCheckFunction;
HashMap<WebCore::IDBDatabaseIdentifier, std::unique_ptr<WebCore::IDBServer::UniqueIDBDatabase>> m_databases;
};
} // namespace WebKit
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