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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Readable stream default controller abstract operations. */
#ifndef builtin_streams_ReadableStreamDefaultControllerOperations_h
#define builtin_streams_ReadableStreamDefaultControllerOperations_h
#include "mozilla/Attributes.h" // MOZ_MUST_USE
#include "jstypes.h" // JS_PUBLIC_API
#include "js/RootingAPI.h" // JS::Handle
#include "js/Value.h" // JS::Value
struct JS_PUBLIC_API JSContext;
namespace js {
class ReadableStream;
class ReadableStreamController;
class ReadableStreamDefaultController;
extern MOZ_MUST_USE bool ReadableStreamDefaultControllerEnqueue(
JSContext* cx,
JS::Handle<ReadableStreamDefaultController*> unwrappedController,
JS::Handle<JS::Value> chunk);
extern MOZ_MUST_USE bool ReadableStreamControllerError(
JSContext* cx, JS::Handle<ReadableStreamController*> unwrappedController,
JS::Handle<JS::Value> e);
extern MOZ_MUST_USE bool ReadableStreamDefaultControllerClose(
JSContext* cx,
JS::Handle<ReadableStreamDefaultController*> unwrappedController);
extern MOZ_MUST_USE double ReadableStreamControllerGetDesiredSizeUnchecked(
ReadableStreamController* controller);
extern MOZ_MUST_USE bool ReadableStreamControllerCallPullIfNeeded(
JSContext* cx, JS::Handle<ReadableStreamController*> unwrappedController);
extern void ReadableStreamControllerClearAlgorithms(
JS::Handle<ReadableStreamController*> controller);
/**
* Characterizes the family of algorithms, (startAlgorithm, pullAlgorithm,
* cancelAlgorithm), associated with a readable stream.
*
* See the comment on SetUpReadableStreamDefaultController().
*/
enum class SourceAlgorithms {
Script,
Tee,
};
extern MOZ_MUST_USE bool SetUpReadableStreamDefaultController(
JSContext* cx, JS::Handle<ReadableStream*> stream,
SourceAlgorithms sourceAlgorithms, JS::Handle<JS::Value> underlyingSource,
JS::Handle<JS::Value> pullMethod, JS::Handle<JS::Value> cancelMethod,
double highWaterMark, JS::Handle<JS::Value> size);
extern MOZ_MUST_USE bool
SetUpReadableStreamDefaultControllerFromUnderlyingSource(
JSContext* cx, JS::Handle<ReadableStream*> stream,
JS::Handle<JS::Value> underlyingSource, double highWaterMark,
JS::Handle<JS::Value> sizeAlgorithm);
} // namespace js
#endif // builtin_streams_ReadableStreamDefaultControllerOperations_h
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