WorkletGlobalScope.h

Enable keyboard shortcuts

/* -*- 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/. */

#ifndef mozilla_dom_WorkletGlobalScope_h

#define mozilla_dom_WorkletGlobalScope_h

#include "mozilla/Attributes.h"

#include "mozilla/Maybe.h"

#include "mozilla/TimeStamp.h"

#include "mozilla/dom/BindingDeclarations.h"

#include "nsDOMNavigationTiming.h"

#include "nsIGlobalObject.h"

#include "nsWrapperCache.h"

#define WORKLET_IID                                  \

  {                                                  \

    0x1b3f62e7, 0xe357, 0x44be, {                    \

      0xbf, 0xe0, 0xdf, 0x85, 0xe6, 0x56, 0x85, 0xac \

    }                                                \

namespace JS {

class RealmOptions;

namespace JS::loader {

class ModuleLoaderBase;

namespace mozilla {

class ErrorResult;

class WorkletImpl;

namespace dom {

namespace loader {

class WorkletModuleLoader;

class Console;

class WorkletGlobalScope : public nsIGlobalObject, public nsWrapperCache {

 public:

  NS_DECLARE_STATIC_IID_ACCESSOR(WORKLET_IID)

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(WorkletGlobalScope)

  WorkletGlobalScope(WorkletImpl*);

  nsIGlobalObject* GetParentObject() const { return nullptr; }

  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;

  virtual bool WrapGlobalObject(JSContext* aCx,

                                JS::MutableHandle<JSObject*> aReflector) = 0;

  JSObject* GetGlobalJSObject() override { return GetWrapper(); }

  JSObject* GetGlobalJSObjectPreserveColor() const override {

    return GetWrapperPreserveColor();

  nsISerialEventTarget* SerialEventTarget() const final;

  nsresult Dispatch(already_AddRefed<nsIRunnable>&&) const final;

  already_AddRefed<Console> GetConsole(JSContext* aCx, ErrorResult& aRv);

  WorkletImpl* Impl() const { return mImpl.get(); }

  void Dump(const Optional<nsAString>& aString) const;

  DOMHighResTimeStamp TimeStampToDOMHighRes(const TimeStamp& aTimeStamp) const {

    MOZ_ASSERT(!aTimeStamp.IsNull());

    TimeDuration duration = aTimeStamp - mCreationTimeStamp;

    return duration.ToMilliseconds();

  void InitModuleLoader(loader::WorkletModuleLoader* aModuleLoader);

  JS::loader::ModuleLoaderBase* GetModuleLoader(

      JSContext* aCx = nullptr) override;

  OriginTrials Trials() const override;

  Maybe<nsID> GetAgentClusterId() const override;

  bool IsSharedMemoryAllowed() const override;

  bool ShouldResistFingerprinting(RFPTarget aTarget) const override;

 protected:

  ~WorkletGlobalScope();

  JS::RealmOptions CreateRealmOptions() const;

  const RefPtr<WorkletImpl> mImpl;

 private:

  TimeStamp mCreationTimeStamp;

  RefPtr<Console> mConsole;

  RefPtr<loader::WorkletModuleLoader> mModuleLoader;

};

NS_DEFINE_STATIC_IID_ACCESSOR(WorkletGlobalScope, WORKLET_IID)

}  // namespace dom

}  // namespace mozilla

#endif  // mozilla_dom_WorkletGlobalScope_h