dom/workers/WorkerNavigator.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_workernavigator_h__
   8 #define mozilla_dom_workernavigator_h__
   9
  10 #include <stdint.h>
  11 #include "js/RootingAPI.h"
  12 #include "mozilla/AlreadyAddRefed.h"
  13 #include "mozilla/Assertions.h"
  14 #include "mozilla/RefPtr.h"
  15 #include "mozilla/dom/BindingDeclarations.h"
  16 #include "mozilla/dom/workerinternals/RuntimeService.h"
  17 #include "mozilla/StaticPrefs_privacy.h"
  18 #include "nsCycleCollectionParticipant.h"
  19 #include "nsISupports.h"
  20 #include "nsStringFwd.h"
  21 #include "nsTArray.h"
  22 #include "nsWrapperCache.h"
  23
  24 namespace mozilla {
  25 class ErrorResult;
  26
  27 namespace webgpu {
  28 class Instance;
  29 }  // namespace webgpu
  30 namespace dom {
  31 class StorageManager;
  32 class MediaCapabilities;
  33 class LockManager;
  34
  35 namespace network {
  36 class Connection;
  37 }  // namespace network
  38
  39 class WorkerNavigator final : public nsWrapperCache {
  40   using NavigatorProperties =
  41       workerinternals::RuntimeService::NavigatorProperties;
  42
  43   NavigatorProperties mProperties;
  44   RefPtr<StorageManager> mStorageManager;
  45   RefPtr<network::Connection> mConnection;
  46   RefPtr<dom::MediaCapabilities> mMediaCapabilities;
  47   RefPtr<webgpu::Instance> mWebGpu;
  48   RefPtr<dom::LockManager> mLocks;
  49   bool mOnline;
  50
  51   WorkerNavigator(const NavigatorProperties& aProperties, bool aOnline);
  52   ~WorkerNavigator();
  53
  54  public:
  55   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WorkerNavigator)
  56   NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(WorkerNavigator)
  57
  58   static already_AddRefed<WorkerNavigator> Create(bool aOnLine);
  59
  60   void Invalidate();
  61
  62   virtual JSObject* WrapObject(JSContext* aCx,
  63                                JS::Handle<JSObject*> aGivenProto) override;
  64
  65   nsISupports* GetParentObject() const { return nullptr; }
  66
  67   void GetAppCodeName(nsString& aAppCodeName, ErrorResult& /* unused */) const {
  68     aAppCodeName.AssignLiteral("Mozilla");
  69   }
  70   void GetAppName(nsString& aAppName) const {
  71     aAppName.AssignLiteral("Netscape");
  72   }
  73
  74   void GetAppVersion(nsString& aAppVersion, CallerType aCallerType,
  75                      ErrorResult& aRv) const;
  76
  77   void GetPlatform(nsString& aPlatform, CallerType aCallerType,
  78                    ErrorResult& aRv) const;
  79
  80   void GetProduct(nsString& aProduct) const { aProduct.AssignLiteral("Gecko"); }
  81
  82   bool TaintEnabled() const { return false; }
  83
  84   void GetLanguage(nsString& aLanguage) const {
  85     MOZ_ASSERT(mProperties.mLanguages.Length() >= 1);
  86     aLanguage.Assign(mProperties.mLanguages[0]);
  87   }
  88
  89   void GetLanguages(nsTArray<nsString>& aLanguages) const {
  90     aLanguages = mProperties.mLanguages.Clone();
  91   }
  92
  93   void GetUserAgent(nsString& aUserAgent, CallerType aCallerType,
  94                     ErrorResult& aRv) const;
  95
  96   bool OnLine() const { return mOnline; }
  97
  98   // Worker thread only!
  99   void SetOnLine(bool aOnline) { mOnline = aOnline; }
 100
 101   bool GlobalPrivacyControl() const;
 102
 103   void SetLanguages(const nsTArray<nsString>& aLanguages);
 104
 105   uint64_t HardwareConcurrency() const;
 106
 107   StorageManager* Storage();
 108
 109   network::Connection* GetConnection(ErrorResult& aRv);
 110
 111   dom::MediaCapabilities* MediaCapabilities();
 112
 113   webgpu::Instance* Gpu();
 114
 115   dom::LockManager* Locks();
 116 };
 117
 118 }  // namespace dom
 119 }  // namespace mozilla
 120
 121 #endif  // mozilla_dom_workernavigator_h__