ladybird/Userland/Libraries/LibWeb/Streams/WritableStreamDefaultWriter.h

65 lines
2.4 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <AK/SinglyLinkedList.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/#writablestreamdefaultwriter
class WritableStreamDefaultWriter final : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(WritableStreamDefaultWriter, Bindings::PlatformObject);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<WritableStreamDefaultWriter>> construct_impl(JS::Realm&, JS::NonnullGCPtr<WritableStream>);
virtual ~WritableStreamDefaultWriter() override = default;
JS::GCPtr<JS::Object> closed();
WebIDL::ExceptionOr<Optional<double>> desired_size() const;
JS::GCPtr<JS::Object> ready();
WebIDL::ExceptionOr<JS::GCPtr<JS::Object>> abort(JS::Value reason);
WebIDL::ExceptionOr<JS::GCPtr<JS::Object>> close();
WebIDL::ExceptionOr<void> release_lock();
WebIDL::ExceptionOr<JS::GCPtr<JS::Object>> write(JS::Value chunk);
JS::GCPtr<WebIDL::Promise> closed_promise() { return m_closed_promise; }
void set_closed_promise(JS::GCPtr<WebIDL::Promise> value) { m_closed_promise = value; }
JS::GCPtr<WebIDL::Promise> ready_promise() { return m_ready_promise; }
void set_ready_promise(JS::GCPtr<WebIDL::Promise> value) { m_ready_promise = value; }
JS::GCPtr<WritableStream const> stream() const { return m_stream; }
JS::GCPtr<WritableStream> stream() { return m_stream; }
void set_stream(JS::GCPtr<WritableStream> value) { m_stream = value; }
private:
explicit WritableStreamDefaultWriter(JS::Realm&);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
// https://streams.spec.whatwg.org/#writablestreamdefaultwriter-closedpromise
// A promise returned by the writers closed getter
JS::GCPtr<WebIDL::Promise> m_closed_promise;
// https://streams.spec.whatwg.org/#writablestreamdefaultwriter-readypromise
// A promise returned by the writers ready getter
JS::GCPtr<WebIDL::Promise> m_ready_promise;
// https://streams.spec.whatwg.org/#writablestreamdefaultwriter-stream
// A WritableStream instance that owns this reader
JS::GCPtr<WritableStream> m_stream;
};
}