/* 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/. */
#ifndef mozilla_dom_ReadableStreamDefaultController_h
#define mozilla_dom_ReadableStreamDefaultController_h
#include "js/TypeDecls.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/QueueWithSizes.h"
#include "mozilla/dom/QueuingStrategyBinding.h"
#include "mozilla/dom/ReadRequest.h"
#include "mozilla/dom/ReadableStreamControllerBase.h"
#include "mozilla/dom/UnderlyingSourceCallbackHelpers.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIGlobalObject.h"
#include "nsISupports.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"
namespace mozilla::dom {
class ReadableStream;
class ReadableStreamDefaultReader;
struct UnderlyingSource;
class ReadableStreamGenericReader;
class ReadableStreamDefaultController final
:
public ReadableStreamControllerBase,
public nsWrapperCache {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(
ReadableStreamDefaultController, ReadableStreamControllerBase)
public:
explicit ReadableStreamDefaultController(nsIGlobalObject* aGlobal);
protected:
~ReadableStreamDefaultController() override;
public:
bool IsDefault() override {
return true; }
bool IsByte() override {
return false; }
ReadableStreamDefaultController* AsDefault() override {
return this; }
ReadableByteStreamController* AsByte() override {
return nullptr; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
Nullable<
double> GetDesiredSize();
MOZ_CAN_RUN_SCRIPT
void Close(JSContext* aCx, ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT
void Enqueue(JSContext* aCx, JS::Handle<JS::Value> aChunk,
ErrorResult& aRv);
void Error(JSContext* aCx, JS::Handle<JS::Value> aError, ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> CancelSteps(
JSContext* aCx, JS::Handle<JS::Value> aReason, ErrorResult& aRv) override;
MOZ_CAN_RUN_SCRIPT
void PullSteps(JSContext* aCx, ReadRequest* aReadRequest,
ErrorResult& aRv) override;
void ReleaseSteps() override;
// Internal Slot Accessors
bool CloseRequested()
const {
return mCloseRequested; }
void SetCloseRequested(
bool aCloseRequested) {
mCloseRequested = aCloseRequested;
}
bool PullAgain()
const {
return mPullAgain; }
void SetPullAgain(
bool aPullAgain) { mPullAgain = aPullAgain; }
bool Pulling()
const {
return mPulling; }
void SetPulling(
bool aPulling) { mPulling = aPulling; }
QueueWithSizes& Queue() {
return mQueue; }
double QueueTotalSize()
const {
return mQueueTotalSize; }
void SetQueueTotalSize(
double aQueueTotalSize) {
mQueueTotalSize = aQueueTotalSize;
}
bool Started()
const {
return mStarted; }
void SetStarted(
bool aStarted) { mStarted = aStarted; }
double StrategyHWM()
const {
return mStrategyHWM; }
void SetStrategyHWM(
double aStrategyHWM) { mStrategyHWM = aStrategyHWM; }
QueuingStrategySize* StrategySizeAlgorithm()
const {
return mStrategySizeAlgorithm;
}
void setStrategySizeAlgorithm(QueuingStrategySize* aStrategySizeAlgorithm) {
mStrategySizeAlgorithm = aStrategySizeAlgorithm;
}
private:
// Internal Slots:
bool mCloseRequested = false;
bool mPullAgain = false;
bool mPulling = false;
QueueWithSizes mQueue = {};
double mQueueTotalSize =
0.
0;
bool mStarted = false;
double mStrategyHWM = false;
RefPtr<QueuingStrategySize> mStrategySizeAlgorithm;
};
}
// namespace mozilla::dom
#endif // mozilla_dom_ReadableStreamDefaultController_h