gecko-dev/dom/workers/WorkerNavigator.h

/* -*- 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_workernavigator_h__
#define mozilla_dom_workernavigator_h__

#include <stdint.h>
#include "js/RootingAPI.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/workerinternals/RuntimeService.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsStringFwd.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"

namespace mozilla {
namespace webgpu {
class Instance;
}  // namespace webgpu
namespace dom {
class StorageManager;
class MediaCapabilities;

namespace network {
class Connection;
}  // namespace network

class WorkerNavigator final : public nsWrapperCache {
  typedef struct workerinternals::RuntimeService::NavigatorProperties
      NavigatorProperties;

  NavigatorProperties mProperties;
  RefPtr<StorageManager> mStorageManager;
  RefPtr<network::Connection> mConnection;
  RefPtr<dom::MediaCapabilities> mMediaCapabilities;
  RefPtr<webgpu::Instance> mWebGpu;
  bool mOnline;

  WorkerNavigator(const NavigatorProperties& aProperties, bool aOnline);
  ~WorkerNavigator();

 public:
  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WorkerNavigator)
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WorkerNavigator)

  static already_AddRefed<WorkerNavigator> Create(bool aOnLine);

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

  nsISupports* GetParentObject() const { return nullptr; }

  void GetAppCodeName(nsString& aAppCodeName, ErrorResult& /* unused */) const {
    aAppCodeName.AssignLiteral("Mozilla");
  }
  void GetAppName(nsString& aAppName, CallerType aCallerType) const;

  void GetAppVersion(nsString& aAppVersion, CallerType aCallerType,
                     ErrorResult& aRv) const;

  void GetPlatform(nsString& aPlatform, CallerType aCallerType,
                   ErrorResult& aRv) const;

  void GetProduct(nsString& aProduct) const { aProduct.AssignLiteral("Gecko"); }

  bool TaintEnabled() const { return false; }

  void GetLanguage(nsString& aLanguage) const {
    MOZ_ASSERT(mProperties.mLanguages.Length() >= 1);
    aLanguage.Assign(mProperties.mLanguages[0]);
  }

  void GetLanguages(nsTArray<nsString>& aLanguages) const {
    aLanguages = mProperties.mLanguages.Clone();
  }

  void GetUserAgent(nsString& aUserAgent, CallerType aCallerType,
                    ErrorResult& aRv) const;

  bool OnLine() const { return mOnline; }

  // Worker thread only!
  void SetOnLine(bool aOnline) { mOnline = aOnline; }

  void SetLanguages(const nsTArray<nsString>& aLanguages);

  uint64_t HardwareConcurrency() const;

  StorageManager* Storage();

  network::Connection* GetConnection(ErrorResult& aRv);

  dom::MediaCapabilities* MediaCapabilities();

  webgpu::Instance* Gpu();
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_workernavigator_h__