Source/WebCore/Modules/filesystemaccess/FileSystemFileHandle.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
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include "FileSystemHandle.h"
#include "FileSystemSyncAccessHandleIdentifier.h"

namespace WebCore {

class File;
class FileSystemSyncAccessHandle;
template<typename> class ExceptionOr;

class FileSystemFileHandle final : public FileSystemHandle {
    WTF_MAKE_ISO_ALLOCATED(FileSystemFileHandle);
public:
    WEBCORE_EXPORT static Ref<FileSystemFileHandle> create(ScriptExecutionContext&, String&&, FileSystemHandleIdentifier, Ref<FileSystemStorageConnection>&&);
    void getFile(DOMPromiseDeferred<IDLInterface<File>>&&);

    void createSyncAccessHandle(DOMPromiseDeferred<IDLInterface<FileSystemSyncAccessHandle>>&&);
    void closeSyncAccessHandle(FileSystemSyncAccessHandleIdentifier, CompletionHandler<void(ExceptionOr<void>&&)>&&);
    void registerSyncAccessHandle(FileSystemSyncAccessHandleIdentifier, FileSystemSyncAccessHandle&);
    void unregisterSyncAccessHandle(FileSystemSyncAccessHandleIdentifier);

private:
    FileSystemFileHandle(ScriptExecutionContext&, String&&, FileSystemHandleIdentifier, Ref<FileSystemStorageConnection>&&);
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::FileSystemFileHandle)
    static bool isType(const WebCore::FileSystemHandle& handle) { return handle.kind() == WebCore::FileSystemHandle::Kind::File; }
SPECIALIZE_TYPE_TRAITS_END()