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 "nsCycleCollectionParticipant.h"
  18 #include "nsISupports.h"
  19 #include "nsStringFwd.h"
  20 #include "nsTArray.h"
  21 #include "nsWrapperCache.h"
  22
  23 namespace mozilla {
  24 class ErrorResult;
  25
  26 namespace webgpu {
  27 class Instance;
  28 }  // namespace webgpu
  29 namespace dom {
  30 class StorageManager;
  31 class MediaCapabilities;
  32 class LockManager;
  33
  34 namespace network {
  35 class Connection;
  36 }  // namespace network
  37
  38 class WorkerNavigator final : public nsWrapperCache {
  39   using NavigatorProperties =
  40       workerinternals::RuntimeService::NavigatorProperties;
  41
  42   NavigatorProperties mProperties;
  43   RefPtr<StorageManager> mStorageManager;
  44   RefPtr<network::Connection> mConnection;
  45   RefPtr<dom::MediaCapabilities> mMediaCapabilities;
  46   RefPtr<webgpu::Instance> mWebGpu;
  47   RefPtr<dom::LockManager> mLocks;
  48   bool mOnline;
  49
  50   WorkerNavigator(const NavigatorProperties& aProperties, bool aOnline);
  51   ~WorkerNavigator();
  52
  53  public:
  54   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WorkerNavigator)
  55   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WorkerNavigator)
  56
  57   static already_AddRefed<WorkerNavigator> Create(bool aOnLine);
  58
  59   virtual JSObject* WrapObject(JSContext* aCx,
  60                                JS::Handle<JSObject*> aGivenProto) override;
  61
  62   nsISupports* GetParentObject() const { return nullptr; }
  63
  64   void GetAppCodeName(nsString& aAppCodeName, ErrorResult& /* unused */) const {
  65     aAppCodeName.AssignLiteral("Mozilla");
  66   }
  67   void GetAppName(nsString& aAppName, CallerType aCallerType) const;
  68
  69   void GetAppVersion(nsString& aAppVersion, CallerType aCallerType,
  70                      ErrorResult& aRv) const;
  71
  72   void GetPlatform(nsString& aPlatform, CallerType aCallerType,
  73                    ErrorResult& aRv) const;
  74
  75   void GetProduct(nsString& aProduct) const { aProduct.AssignLiteral("Gecko"); }
  76
  77   bool TaintEnabled() const { return false; }
  78
  79   void GetLanguage(nsString& aLanguage) const {
  80     MOZ_ASSERT(mProperties.mLanguages.Length() >= 1);
  81     aLanguage.Assign(mProperties.mLanguages[0]);
  82   }
  83
  84   void GetLanguages(nsTArray<nsString>& aLanguages) const {
  85     aLanguages = mProperties.mLanguages.Clone();
  86   }
  87
  88   void GetUserAgent(nsString& aUserAgent, CallerType aCallerType,
  89                     ErrorResult& aRv) const;
  90
  91   bool OnLine() const { return mOnline; }
  92
  93   // Worker thread only!
  94   void SetOnLine(bool aOnline) { mOnline = aOnline; }
  95
  96   void SetLanguages(const nsTArray<nsString>& aLanguages);
  97
  98   uint64_t HardwareConcurrency() const;
  99
 100   StorageManager* Storage();
 101
 102   network::Connection* GetConnection(ErrorResult& aRv);
 103
 104   dom::MediaCapabilities* MediaCapabilities();
 105
 106   webgpu::Instance* Gpu();
 107
 108   dom::LockManager* Locks();
 109 };
 110
 111 }  // namespace dom
 112 }  // namespace mozilla
 113
 114 #endif  // mozilla_dom_workernavigator_h__