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serenity/Userland/Libraries/LibWeb/FileAPI/Blob.h
Timothy Flynn 834202aeb9 LibWeb: Move setting of Web object prototypes to initialize()
This needs to happen before prototype/constructor intitialization can be
made lazy. Otherwise, GC could run during the C++ constructor and try to
collect the object currently being created.
2023-01-10 16:08:14 +01:00

65 lines
2.2 KiB
C++

/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Vector.h>
#include <LibWeb/Bindings/BlobPrototype.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Forward.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::FileAPI {
using BlobPart = Variant<JS::Handle<JS::Object>, JS::Handle<Blob>, DeprecatedString>;
struct BlobPropertyBag {
DeprecatedString type = DeprecatedString::empty();
Bindings::EndingType endings;
};
[[nodiscard]] ErrorOr<DeprecatedString> convert_line_endings_to_native(DeprecatedString const& string);
[[nodiscard]] ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optional<BlobPropertyBag> const& options = {});
[[nodiscard]] bool is_basic_latin(StringView view);
class Blob : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(Blob, Bindings::PlatformObject);
public:
virtual ~Blob() override;
static JS::NonnullGCPtr<Blob> create(JS::Realm&, ByteBuffer, DeprecatedString type);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> create(JS::Realm&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> construct_impl(JS::Realm&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
// https://w3c.github.io/FileAPI/#dfn-size
u64 size() const { return m_byte_buffer.size(); }
// https://w3c.github.io/FileAPI/#dfn-type
DeprecatedString const& type() const { return m_type; }
WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<DeprecatedString> const& content_type = {});
JS::Promise* text();
JS::Promise* array_buffer();
ReadonlyBytes bytes() const { return m_byte_buffer.bytes(); }
protected:
Blob(JS::Realm&, ByteBuffer, DeprecatedString type);
Blob(JS::Realm&, ByteBuffer);
virtual void initialize(JS::Realm&) override;
private:
explicit Blob(JS::Realm&);
ByteBuffer m_byte_buffer {};
DeprecatedString m_type {};
};
}