mirror of
https://github.com/RGBCube/serenity
synced 2025-07-27 12:57:35 +00:00
LibWeb: Start fleshing out the ReadableStream interface
This is so we can just assume it exists in Fetch APIs (while still skipping functionality that relies on a full implementation, of course).
This commit is contained in:
parent
1ace80235b
commit
87654f5b51
9 changed files with 199 additions and 4 deletions
71
Userland/Libraries/LibWeb/Streams/ReadableStream.h
Normal file
71
Userland/Libraries/LibWeb/Streams/ReadableStream.h
Normal file
|
@ -0,0 +1,71 @@
|
|||
/*
|
||||
* Copyright (c) 2022, Linus Groh <linusg@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>
|
||||
|
||||
namespace Web::Streams {
|
||||
|
||||
// https://streams.spec.whatwg.org/#readablestream
|
||||
class ReadableStream final : public Bindings::PlatformObject {
|
||||
WEB_PLATFORM_OBJECT(Request, Bindings::PlatformObject);
|
||||
|
||||
public:
|
||||
enum class State {
|
||||
Readable,
|
||||
Closed,
|
||||
Errored,
|
||||
};
|
||||
|
||||
static DOM::ExceptionOr<JS::NonnullGCPtr<ReadableStream>> create_with_global_object(HTML::Window&);
|
||||
|
||||
virtual ~ReadableStream() override;
|
||||
|
||||
JS::GCPtr<JS::Object> controller() const { return m_controller; }
|
||||
JS::GCPtr<JS::Object> reader() const { return m_reader; }
|
||||
JS::Value stored_error() const { return m_stored_error; }
|
||||
|
||||
bool is_readable() const;
|
||||
bool is_closed() const;
|
||||
bool is_errored() const;
|
||||
bool is_locked() const;
|
||||
bool is_disturbed() const;
|
||||
|
||||
private:
|
||||
explicit ReadableStream(HTML::Window&);
|
||||
|
||||
virtual void visit_edges(Cell::Visitor&) override;
|
||||
|
||||
// https://streams.spec.whatwg.org/#readablestream-controller
|
||||
// A ReadableStreamDefaultController or ReadableByteStreamController created with the ability to control the state and queue of this stream
|
||||
JS::GCPtr<JS::Object> m_controller;
|
||||
|
||||
// https://streams.spec.whatwg.org/#readablestream-detached
|
||||
// A boolean flag set to true when the stream is transferred
|
||||
bool m_detached { false };
|
||||
|
||||
// https://streams.spec.whatwg.org/#readablestream-disturbed
|
||||
// A boolean flag set to true when the stream has been read from or canceled
|
||||
bool m_disturbed { false };
|
||||
|
||||
// https://streams.spec.whatwg.org/#readablestream-reader
|
||||
// A ReadableStreamDefaultReader or ReadableStreamBYOBReader instance, if the stream is locked to a reader, or undefined if it is not
|
||||
JS::GCPtr<JS::Object> m_reader;
|
||||
|
||||
// https://streams.spec.whatwg.org/#readablestream-state
|
||||
// A string containing the stream’s current state, used internally; one of "readable", "closed", or "errored"
|
||||
State m_state { State::Readable };
|
||||
|
||||
// https://streams.spec.whatwg.org/#readablestream-storederror
|
||||
// A value indicating how the stream failed, to be given as a failure reason or exception when trying to operate on an errored stream
|
||||
JS::Value m_stored_error { JS::js_undefined() };
|
||||
};
|
||||
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue