mirror of
https://github.com/LadybirdBrowser/ladybird.git
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f87041bf3a
Resulting in a massive rename across almost everywhere! Alongside the namespace change, we now have the following names: * JS::NonnullGCPtr -> GC::Ref * JS::GCPtr -> GC::Ptr * JS::HeapFunction -> GC::Function * JS::CellImpl -> GC::Cell * JS::Handle -> GC::Root
75 lines
3 KiB
C++
75 lines
3 KiB
C++
/*
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* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Forward.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Streams/QueuingStrategy.h>
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#include <LibWeb/WebIDL/Promise.h>
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namespace Web::Streams {
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class TransformStream final : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(TransformStream, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(TransformStream);
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public:
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virtual ~TransformStream() override;
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static WebIDL::ExceptionOr<GC::Ref<TransformStream>> construct_impl(JS::Realm&, Optional<GC::Root<JS::Object>> transformer_object = {}, QueuingStrategy const& writable_strategy = {}, QueuingStrategy const& readable_strategy = {});
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// https://streams.spec.whatwg.org/#ts-readable
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GC::Ref<ReadableStream> readable() { return *m_readable; }
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void set_readable(ReadableStream& readable) { m_readable = readable; }
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// https://streams.spec.whatwg.org/#ts-writable
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GC::Ref<WritableStream> writable() { return *m_writable; }
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void set_writable(WritableStream& writable) { m_writable = writable; }
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Optional<bool> backpressure() const { return m_backpressure; }
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void set_backpressure(Optional<bool> value) { m_backpressure = move(value); }
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GC::Ptr<WebIDL::Promise> backpressure_change_promise() const { return m_backpressure_change_promise; }
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void set_backpressure_change_promise(GC::Ptr<WebIDL::Promise> value) { m_backpressure_change_promise = value; }
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GC::Ptr<TransformStreamDefaultController> controller() const { return m_controller; }
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void set_controller(GC::Ptr<TransformStreamDefaultController> value) { m_controller = value; }
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private:
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explicit TransformStream(JS::Realm& realm);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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// https://streams.spec.whatwg.org/#transformstream-backpressure
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// Whether there was backpressure on [[readable]] the last time it was observed
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Optional<bool> m_backpressure { false };
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// https://streams.spec.whatwg.org/#transformstream-backpressurechangepromise
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// A promise which is fulfilled and replaced every time the value of [[backpressure]] changes
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GC::Ptr<WebIDL::Promise> m_backpressure_change_promise;
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// https://streams.spec.whatwg.org/#transformstream-controller
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// A TransformStreamDefaultController created with the ability to control [[readable]] and [[writable]]
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GC::Ptr<TransformStreamDefaultController> m_controller;
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// https://streams.spec.whatwg.org/#transformstream-detached
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// A boolean flag set to true when the stream is transferred
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bool m_detached { false };
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// https://streams.spec.whatwg.org/#transformstream-readable
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// The ReadableStream instance controlled by this object
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GC::Ptr<ReadableStream> m_readable;
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// https://streams.spec.whatwg.org/#transformstream-writable
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// The WritableStream instance controlled by this object
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GC::Ptr<WritableStream> m_writable;
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};
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}
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