dom/workers/Navigator.h

   1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_dom_workers_navigator_h__
   7 #define mozilla_dom_workers_navigator_h__
   8
   9 #include "Workers.h"
  10 #include "RuntimeService.h"
  11 #include "nsString.h"
  12 #include "nsWrapperCache.h"
  13
  14 // Need this to use Navigator::HasDataStoreSupport() in
  15 // WorkerNavigatorBinding.cpp
  16 #include "mozilla/dom/Navigator.h"
  17
  18 namespace mozilla {
  19 namespace dom {
  20 class Promise;
  21 }
  22 }
  23
  24 BEGIN_WORKERS_NAMESPACE
  25
  26 class WorkerNavigator MOZ_FINAL : public nsWrapperCache
  27 {
  28   typedef struct RuntimeService::NavigatorProperties NavigatorProperties;
  29
  30   NavigatorProperties mProperties;
  31   bool mOnline;
  32
  33   WorkerNavigator(const NavigatorProperties& aProperties,
  34                   bool aOnline)
  35     : mProperties(aProperties)
  36     , mOnline(aOnline)
  37   {
  38     MOZ_COUNT_CTOR(WorkerNavigator);
  39   }
  40
  41   ~WorkerNavigator()
  42   {
  43     MOZ_COUNT_DTOR(WorkerNavigator);
  44   }
  45
  46 public:
  47
  48   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WorkerNavigator)
  49   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WorkerNavigator)
  50
  51   static already_AddRefed<WorkerNavigator>
  52   Create(bool aOnLine);
  53
  54   virtual JSObject*
  55   WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  56
  57   nsISupports* GetParentObject() const {
  58     return nullptr;
  59   }
  60
  61   void GetAppCodeName(nsString& aAppCodeName) const
  62   {
  63     aAppCodeName.AssignLiteral("Mozilla");
  64   }
  65   void GetAppName(nsString& aAppName) const;
  66
  67   void GetAppVersion(nsString& aAppVersion) const;
  68
  69   void GetPlatform(nsString& aPlatform) const;
  70
  71   void GetProduct(nsString& aProduct) const
  72   {
  73     aProduct.AssignLiteral("Gecko");
  74   }
  75
  76   bool TaintEnabled() const
  77   {
  78     return false;
  79   }
  80
  81   void GetLanguage(nsString& aLanguage) const
  82   {
  83     if (mProperties.mLanguages.Length() >= 1) {
  84       aLanguage.Assign(mProperties.mLanguages[0]);
  85     } else {
  86       aLanguage.Truncate();
  87     }
  88   }
  89
  90   void GetLanguages(nsTArray<nsString>& aLanguages) const
  91   {
  92     aLanguages = mProperties.mLanguages;
  93   }
  94
  95   void GetUserAgent(nsString& aUserAgent) const;
  96
  97   bool OnLine() const
  98   {
  99     return mOnline;
 100   }
 101
 102   // Worker thread only!
 103   void SetOnLine(bool aOnline)
 104   {
 105     mOnline = aOnline;
 106   }
 107
 108   void SetLanguages(const nsTArray<nsString>& aLanguages);
 109
 110   already_AddRefed<Promise> GetDataStores(JSContext* aCx,
 111                                           const nsAString& aName,
 112                                           const nsAString& aOwner,
 113                                           ErrorResult& aRv);
 114 };
 115
 116 END_WORKERS_NAMESPACE
 117
 118 #endif // mozilla_dom_workers_navigator_h__