ladybird/Libraries/LibWeb/Streams/ReadableStreamGenericReader.h
Shannon Booth 637fd51595 LibWeb: Unify WebIDL C++ type generation
Represent WebIDL C++ types with a single CppType model that tracks
nullability, optional presence, and contained storage.

GC-like values now use GC::Ref/GC::Ptr directly, while containers choose
"plain", "Root", or "Conservative" container types depending on what
they contain. For example, sequence<Element> becomes a RootVector of
GC::Ref values, while sequence<SomeDictionary> becomes a
ConservativeVector only when the dictionary contains GC-like values.
This moves the generated bindings away from wrapping GC values in
GC::Root by default.

This has broad fallout as the types passed to interfaces for GC
objects changes almost fully across the board.
2026-05-23 18:26:12 +02:00

48 lines
1.4 KiB
C++

/*
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Forward.h>
#include <LibJS/Forward.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Forward.h>
#include <LibWeb/WebIDL/Promise.h>
namespace Web::Streams {
// https://streams.spec.whatwg.org/#readablestreamgenericreader
class ReadableStreamGenericReaderMixin {
public:
virtual ~ReadableStreamGenericReaderMixin() = default;
GC::Ptr<WebIDL::Promise> closed();
GC::Ref<WebIDL::Promise> cancel(Optional<JS::Value> reason);
GC::Ptr<ReadableStream> stream() const { return m_stream; }
void set_stream(GC::Ptr<ReadableStream> stream) { m_stream = stream; }
GC::Ptr<WebIDL::Promise> closed_promise_capability() { return m_closed_promise; }
void set_closed_promise_capability(GC::Ptr<WebIDL::Promise> promise) { m_closed_promise = promise; }
protected:
explicit ReadableStreamGenericReaderMixin(JS::Realm&);
void visit_edges(JS::Cell::Visitor&);
// https://streams.spec.whatwg.org/#readablestreamgenericreader-closedpromise
// A promise returned by the reader's closed getter
GC::Ptr<WebIDL::Promise> m_closed_promise;
// https://streams.spec.whatwg.org/#readablestreamgenericreader-stream
// A ReadableStream instance that owns this reader
GC::Ptr<ReadableStream> m_stream;
GC::Ref<JS::Realm> m_realm;
};
}