| // 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 "third_party/blink/renderer/platform/heap/visitor.h" |
| #include "v8/include/v8.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class ReadableStreamDefaultController; |
| class ScriptState; |
| class StreamAlgorithm; |
| class TransformStream; |
| |
| class CORE_EXPORT TransformStreamDefaultController : public ScriptWrappable { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| TransformStreamDefaultController(); |
| ~TransformStreamDefaultController() override; |
| |
| // https://streams.spec.whatwg.org/#ts-default-controller-desired-size |
| base::Optional<double> desiredSize() 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*) const 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*); |
| |
| static ReadableStreamDefaultController* GetDefaultController( |
| TransformStream*); |
| |
| 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_ |