dom/worklet/WorkletGlobalScope.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_WorkletGlobalScope_h
   8 #define mozilla_dom_WorkletGlobalScope_h
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/Maybe.h"
  12 #include "mozilla/TimeStamp.h"
  13 #include "mozilla/dom/BindingDeclarations.h"
  14 #include "nsDOMNavigationTiming.h"
  15 #include "nsIGlobalObject.h"
  16 #include "nsWrapperCache.h"
  17
  18 #define WORKLET_IID                                  \
  19   {                                                  \
  20     0x1b3f62e7, 0xe357, 0x44be, {                    \
  21       0xbf, 0xe0, 0xdf, 0x85, 0xe6, 0x56, 0x85, 0xac \
  22     }                                                \
  23   }
  24
  25 namespace mozilla {
  26
  27 class ErrorResult;
  28 class WorkletImpl;
  29
  30 namespace dom {
  31
  32 class Console;
  33
  34 class WorkletGlobalScope : public nsIGlobalObject, public nsWrapperCache {
  35  public:
  36   NS_DECLARE_STATIC_IID_ACCESSOR(WORKLET_IID)
  37
  38   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  39   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WorkletGlobalScope)
  40
  41   WorkletGlobalScope(const Maybe<nsID>& aAgentClusterId,
  42                      bool aSharedMemoryAllowed);
  43
  44   nsIGlobalObject* GetParentObject() const { return nullptr; }
  45
  46   virtual JSObject* WrapObject(JSContext* aCx,
  47                                JS::Handle<JSObject*> aGivenProto) override;
  48
  49   virtual bool WrapGlobalObject(JSContext* aCx,
  50                                 JS::MutableHandle<JSObject*> aReflector) = 0;
  51
  52   JSObject* GetGlobalJSObject() override { return GetWrapper(); }
  53   JSObject* GetGlobalJSObjectPreserveColor() const override {
  54     return GetWrapperPreserveColor();
  55   }
  56
  57   already_AddRefed<Console> GetConsole(JSContext* aCx, ErrorResult& aRv);
  58
  59   virtual WorkletImpl* Impl() const = 0;
  60
  61   void Dump(const Optional<nsAString>& aString) const;
  62
  63   DOMHighResTimeStamp TimeStampToDOMHighRes(const TimeStamp& aTimeStamp) const {
  64     MOZ_ASSERT(!aTimeStamp.IsNull());
  65     TimeDuration duration = aTimeStamp - mCreationTimeStamp;
  66     return duration.ToMilliseconds();
  67   }
  68
  69   Maybe<nsID> GetAgentClusterId() const override { return mAgentClusterId; }
  70
  71   bool IsSharedMemoryAllowed() const override { return mSharedMemoryAllowed; }
  72
  73  protected:
  74   ~WorkletGlobalScope();
  75   ;
  76
  77  private:
  78   TimeStamp mCreationTimeStamp;
  79   Maybe<nsID> mAgentClusterId;
  80   RefPtr<Console> mConsole;
  81   bool mSharedMemoryAllowed;
  82 };
  83
  84 NS_DEFINE_STATIC_IID_ACCESSOR(WorkletGlobalScope, WORKLET_IID)
  85
  86 }  // namespace dom
  87 }  // namespace mozilla
  88
  89 #endif  // mozilla_dom_WorkletGlobalScope_h