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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_STREAMS_TRANSFORM_STREAM_DEFAULT_CONTROLLER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STREAMS_TRANSFORM_STREAM_DEFAULT_CONTROLLER_H_
#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "v8/include/v8.h"
namespace blink {
class ExceptionState;
class ScriptState;
class StreamAlgorithm;
class TransformStream;
class Visitor;
class CORE_EXPORT TransformStreamDefaultController : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
TransformStreamDefaultController();
~TransformStreamDefaultController() override;
// https://streams.spec.whatwg.org/#ts-default-controller-desired-size
double desiredSize(bool& is_null) const;
// https://streams.spec.whatwg.org/#ts-default-controller-enqueue
void enqueue(ScriptState*, ExceptionState&);
void enqueue(ScriptState*, ScriptValue chunk, ExceptionState&);
// https://streams.spec.whatwg.org/#ts-default-controller-error
void error(ScriptState*);
void error(ScriptState*, ScriptValue reason);
// https://streams.spec.whatwg.org/#ts-default-controller-terminate
void terminate(ScriptState*);
void Trace(Visitor*) override;
private:
friend class TransformStream;
class DefaultTransformAlgorithm;
// https://streams.spec.whatwg.org/#set-up-transform-stream-default-controller
static void SetUp(TransformStream*,
TransformStreamDefaultController*,
StreamAlgorithm* transform_algorithm,
StreamAlgorithm* flush_algorithm);
// https://streams.spec.whatwg.org/#set-up-transform-stream-default-controller-from-transformer
static v8::Local<v8::Value> SetUpFromTransformer(
ScriptState*,
TransformStream*,
v8::Local<v8::Object> transformer,
ExceptionState&);
// https://streams.spec.whatwg.org/#transform-stream-default-controller-clear-algorithms
static void ClearAlgorithms(TransformStreamDefaultController*);
// https://streams.spec.whatwg.org/#transform-stream-default-controller-enqueue
static void Enqueue(ScriptState*,
TransformStreamDefaultController*,
v8::Local<v8::Value> chunk,
ExceptionState&);
// https://streams.spec.whatwg.org/#transform-stream-default-controller-error
static void Error(ScriptState*,
TransformStreamDefaultController*,
v8::Local<v8::Value> e);
// https://streams.spec.whatwg.org/#transform-stream-default-controller-perform-transform
static v8::Local<v8::Promise> PerformTransform(
ScriptState*,
TransformStreamDefaultController*,
v8::Local<v8::Value> chunk);
// https://streams.spec.whatwg.org/#transform-stream-default-controller-terminate
static void Terminate(ScriptState*, TransformStreamDefaultController*);
Member<TransformStream> controlled_transform_stream_;
Member<StreamAlgorithm> flush_algorithm_;
Member<StreamAlgorithm> transform_algorithm_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_STREAMS_TRANSFORM_STREAM_DEFAULT_CONTROLLER_H_