mirror of
https://github.com/RGBCube/serenity
synced 2025-05-21 22:35:07 +00:00
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Runtime/PromiseCapability.h>
|
|
#include <LibWeb/Bindings/Intrinsics.h>
|
|
#include <LibWeb/Bindings/WritableStreamDefaultWriterPrototype.h>
|
|
#include <LibWeb/Streams/AbstractOperations.h>
|
|
#include <LibWeb/Streams/WritableStream.h>
|
|
#include <LibWeb/Streams/WritableStreamDefaultWriter.h>
|
|
#include <LibWeb/WebIDL/ExceptionOr.h>
|
|
|
|
namespace Web::Streams {
|
|
|
|
WebIDL::ExceptionOr<JS::NonnullGCPtr<WritableStreamDefaultWriter>> WritableStreamDefaultWriter::construct_impl(JS::Realm& realm, JS::NonnullGCPtr<WritableStream> stream)
|
|
{
|
|
auto writer = MUST_OR_THROW_OOM(realm.heap().allocate<WritableStreamDefaultWriter>(realm, realm));
|
|
|
|
// 1. Perform ? SetUpWritableStreamDefaultWriter(this, stream).
|
|
TRY(set_up_writable_stream_default_writer(*writer, stream));
|
|
|
|
return writer;
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#default-writer-closed
|
|
JS::GCPtr<JS::Object> WritableStreamDefaultWriter::closed()
|
|
{
|
|
// 1. Return this.[[closedPromise]].
|
|
return m_closed_promise->promise();
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#default-writer-desired-size
|
|
WebIDL::ExceptionOr<Optional<double>> WritableStreamDefaultWriter::desired_size() const
|
|
{
|
|
// 1. If this.[[stream]] is undefined, throw a TypeError exception.
|
|
if (!m_stream)
|
|
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Cannot get desired size of writer that has no locked stream"sv };
|
|
|
|
// 2. Return ! WritableStreamDefaultWriterGetDesiredSize(this).
|
|
return writable_stream_default_writer_get_desired_size(*this);
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#default-writer-ready
|
|
JS::GCPtr<JS::Object> WritableStreamDefaultWriter::ready()
|
|
{
|
|
// 1. Return this.[[readyPromise]].
|
|
return m_ready_promise->promise();
|
|
}
|
|
|
|
WritableStreamDefaultWriter::WritableStreamDefaultWriter(JS::Realm& realm)
|
|
: Bindings::PlatformObject(realm)
|
|
{
|
|
}
|
|
|
|
JS::ThrowCompletionOr<void> WritableStreamDefaultWriter::initialize(JS::Realm& realm)
|
|
{
|
|
MUST_OR_THROW_OOM(Base::initialize(realm));
|
|
set_prototype(&Bindings::ensure_web_prototype<Bindings::WritableStreamDefaultWriterPrototype>(realm, "WritableStreamDefaultWriter"));
|
|
|
|
return {};
|
|
}
|
|
|
|
void WritableStreamDefaultWriter::visit_edges(Cell::Visitor& visitor)
|
|
{
|
|
Base::visit_edges(visitor);
|
|
visitor.visit(m_closed_promise);
|
|
visitor.visit(m_ready_promise);
|
|
visitor.visit(m_stream);
|
|
}
|
|
|
|
}
|