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/*
* Copyright (C) 2024 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 "FileSystemWriteCommandType.h"
#include "WritableStream.h"
namespace WebCore {
class Blob;
template<typename> class DOMPromiseDeferred;
class FileSystemWritableFileStream : public WritableStream {
public:
static ExceptionOr<Ref<FileSystemWritableFileStream>> create(JSDOMGlobalObject&, Ref<WritableStreamSink>&&);
using WriteCommandType = FileSystemWriteCommandType;
using DataVariant = std::variant<RefPtr<JSC::ArrayBufferView>, RefPtr<JSC::ArrayBuffer>, RefPtr<Blob>, String>;
struct WriteParams {
WriteCommandType type;
std::optional<uint64_t> size { };
std::optional<uint64_t> position { };
std::optional<DataVariant> data;
};
using ChunkType = std::variant<RefPtr<JSC::ArrayBufferView>, RefPtr<JSC::ArrayBuffer>, RefPtr<Blob>, String, WriteParams>;
void write(JSC::JSGlobalObject&, const ChunkType&, DOMPromiseDeferred<void>&&);
void seek(JSC::JSGlobalObject&, uint64_t position, DOMPromiseDeferred<void>&&);
void truncate(JSC::JSGlobalObject&, uint64_t size, DOMPromiseDeferred<void>&&);
WritableStream::Type type() const final { return WritableStream::Type::FileSystem; }
private:
explicit FileSystemWritableFileStream(Ref<InternalWritableStream>&&);
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::FileSystemWritableFileStream)
static bool isType(const WebCore::WritableStream& stream) { return stream.type() == WebCore::WritableStream::Type::FileSystem; }
SPECIALIZE_TYPE_TRAITS_END()
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