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LibWeb: Introduce Blob

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Kenneth Myhra 2022-07-10 18:31:17 +02:00 • committed by Linus Groh
parent 0153514314
commit df8c49f6bf
9 changed files with 299 additions and 1 deletions
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58
Userland/Libraries/LibWeb/FileAPI/Blob.h Normal file
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/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/RefCounted.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibWeb/Bindings/BlobWrapper.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/Window.h>
namespace Web::FileAPI {
using BlobPart = Variant<JS::Handle<JS::Object>, NonnullRefPtr<Blob>, String>;
struct BlobPropertyBag {
String type = String::empty();
Bindings::EndingType endings;
};
class Blob
: public RefCounted<Blob>
, public Weakable<Blob>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::BlobWrapper;
Blob(ByteBuffer const& byte_buffer, String const& type);
static DOM::ExceptionOr<NonnullRefPtr<Blob>> create(Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
static DOM::ExceptionOr<NonnullRefPtr<Blob>> create_with_global_object(Bindings::WindowObject&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
u64 size() const { return m_byte_buffer.size(); }
String type() const& { return m_type; }
DOM::ExceptionOr<NonnullRefPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<String> const& content_type = {});
JS::Promise* text();
JS::Promise* array_buffer();
private:
Blob() = default;
static DOM::ExceptionOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts);
ByteBuffer m_byte_buffer {};
String m_type {};
};
}