mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 17:58:18 +03:00
100 lines
4.4 KiB
C++
100 lines
4.4 KiB
C++
/*
|
||
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#pragma once
|
||
|
||
#include <AK/SinglyLinkedList.h>
|
||
#include <LibWeb/Bindings/PlatformObject.h>
|
||
#include <LibWeb/Streams/AbstractOperations.h>
|
||
|
||
namespace Web::Streams {
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller
|
||
class WritableStreamDefaultController final : public Bindings::PlatformObject {
|
||
WEB_PLATFORM_OBJECT(WritableStreamDefaultController, Bindings::PlatformObject);
|
||
|
||
public:
|
||
virtual ~WritableStreamDefaultController() override = default;
|
||
|
||
WebIDL::ExceptionOr<void> error(JS::Value error);
|
||
JS::NonnullGCPtr<DOM::AbortSignal> signal() { return *m_signal; }
|
||
void set_signal(JS::NonnullGCPtr<DOM::AbortSignal> value) { m_signal = value; }
|
||
|
||
auto& abort_algorithm() { return m_abort_algorithm; }
|
||
void set_abort_algorithm(Optional<AbortAlgorithm>&& value) { m_abort_algorithm = move(value); }
|
||
|
||
auto& close_algorithm() { return m_close_algorithm; }
|
||
void set_close_algorithm(Optional<CloseAlgorithm>&& value) { m_close_algorithm = move(value); }
|
||
|
||
SinglyLinkedList<ValueWithSize>& queue() { return m_queue; }
|
||
|
||
double queue_total_size() const { return m_queue_total_size; }
|
||
void set_queue_total_size(double value) { m_queue_total_size = value; }
|
||
|
||
bool started() const { return m_started; }
|
||
void set_started(bool value) { m_started = value; }
|
||
|
||
size_t strategy_hwm() const { return m_strategy_hwm; }
|
||
void set_strategy_hwm(size_t value) { m_strategy_hwm = value; }
|
||
|
||
auto& strategy_size_algorithm() { return m_strategy_size_algorithm; }
|
||
void set_strategy_size_algorithm(Optional<SizeAlgorithm>&& value) { m_strategy_size_algorithm = move(value); }
|
||
|
||
JS::NonnullGCPtr<WritableStream> stream() { return *m_stream; }
|
||
void set_stream(JS::NonnullGCPtr<WritableStream> value) { m_stream = value; }
|
||
|
||
auto& write_algorithm() { return m_write_algorithm; }
|
||
void set_write_algorithm(Optional<WriteAlgorithm>&& value) { m_write_algorithm = move(value); }
|
||
|
||
WebIDL::ExceptionOr<JS::GCPtr<WebIDL::Promise>> abort_steps(JS::Value reason);
|
||
void error_steps();
|
||
|
||
private:
|
||
explicit WritableStreamDefaultController(JS::Realm&);
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-abortalgorithm
|
||
// A promise-returning algorithm, taking one argument (the abort reason), which communicates a requested abort to the underlying sink
|
||
Optional<AbortAlgorithm> m_abort_algorithm;
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-closealgorithm
|
||
// A promise-returning algorithm which communicates a requested close to the underlying sink
|
||
Optional<CloseAlgorithm> m_close_algorithm;
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-queue
|
||
// A list representing the stream’s internal queue of chunks
|
||
SinglyLinkedList<ValueWithSize> m_queue;
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-queuetotalsize
|
||
// The total size of all the chunks stored in [[queue]]
|
||
double m_queue_total_size { 0 };
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-signal
|
||
// An AbortSignal that can be used to abort the pending write or close operation when the stream is aborted.
|
||
JS::GCPtr<DOM::AbortSignal> m_signal;
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-started
|
||
// A boolean flag indicating whether the underlying sink has finished starting
|
||
bool m_started { false };
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-strategyhwm
|
||
// A number supplied by the creator of the stream as part of the stream’s queuing strategy, indicating the point at which the stream will apply backpressure to its underlying sink
|
||
size_t m_strategy_hwm { 0 };
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-strategysizealgorithm
|
||
// An algorithm to calculate the size of enqueued chunks, as part of the stream’s queuing strategy
|
||
Optional<SizeAlgorithm> m_strategy_size_algorithm;
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-stream
|
||
// The WritableStream instance controlled
|
||
JS::GCPtr<WritableStream> m_stream;
|
||
|
||
// https://streams.spec.whatwg.org/#writablestreamdefaultcontroller-writealgorithm
|
||
// A promise-returning algorithm, taking one argument (the chunk to write), which writes data to the underlying sink
|
||
Optional<WriteAlgorithm> m_write_algorithm;
|
||
};
|
||
|
||
}
|