Source/WebCore/Modules/storage/StorageConnection.h

/*
 * Copyright (C) 2021 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 "FileSystemHandleIdentifier.h"
#include <wtf/CompletionHandler.h>
#include <wtf/ThreadSafeRefCounted.h>

namespace WebCore {

class FileSystemStorageConnection;
template<typename> class ExceptionOr;
struct ClientOrigin;

class StorageConnection : public ThreadSafeRefCounted<StorageConnection> {
public:
    virtual ~StorageConnection() = default;
    using PersistCallback = CompletionHandler<void(bool)>;
    virtual void getPersisted(const ClientOrigin&, PersistCallback&&) = 0;
    virtual void persist(const ClientOrigin&, PersistCallback&& completionHandler) { completionHandler(false); }
    using DirectoryInfo = std::pair<FileSystemHandleIdentifier, RefPtr<FileSystemStorageConnection>>;
    using GetDirectoryCallback = CompletionHandler<void(ExceptionOr<DirectoryInfo>&&)>;
    virtual void fileSystemGetDirectory(const ClientOrigin&, GetDirectoryCallback&&) = 0;
};

} // namespace WebCore