/* THIS FILE IS AUTOGENERATED FROM MouseScrollEvent.webidl BY Codegen.py - DO NOT EDIT */

#include <type_traits>
#include "MainThreadUtils.h"
#include "MouseEventBinding.h"
#include "MouseScrollEventBinding.h"
#include "WrapperFactory.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/experimental/JitInfo.h"
#include "mozilla/Atomics.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/EventTarget.h"
#include "mozilla/dom/MouseScrollEvent.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsGlobalWindowInner.h"

namespace mozilla::dom {

namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;


namespace MouseScrollEvent_Binding {

static_assert(IsRefcounted<NativeType>::value == IsRefcounted<MouseEvent_Binding::NativeType>::value,
              "Can't inherit from an interface with a different ownership model.");

MOZ_CAN_RUN_SCRIPT static bool
get_axis(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "MouseScrollEvent", "axis", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::MouseScrollEvent*>(void_self);
  int32_t result(MOZ_KnownLive(self)->Axis());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo axis_getterinfo = {
  { get_axis },
  { prototypes::id::MouseScrollEvent },
  { PrototypeTraits<prototypes::id::MouseScrollEvent>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_INT32,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};

MOZ_CAN_RUN_SCRIPT static bool
initMouseScrollEvent(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
  BindingCallContext cx(cx_, "MouseScrollEvent.initMouseScrollEvent");
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "MouseScrollEvent", "initMouseScrollEvent", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::MouseScrollEvent*>(void_self);
  if (!args.requireAtLeast(cx, "MouseScrollEvent.initMouseScrollEvent", 1)) {
    return false;
  }
  nsAutoString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  bool arg1;
  if (args.hasDefined(1)) {
    if (!ValueToPrimitive<bool, eDefault>(cx, args[1], "Argument 2", &arg1)) {
      return false;
    }
  } else {
    arg1 = false;
  }
  bool arg2;
  if (args.hasDefined(2)) {
    if (!ValueToPrimitive<bool, eDefault>(cx, args[2], "Argument 3", &arg2)) {
      return false;
    }
  } else {
    arg2 = false;
  }
  nsGlobalWindowInner* arg3;
  if (args.hasDefined(3)) {
    if (args[3].isObject()) {
      {
        // Our JSContext should be in the right global to do unwrapping in.
        nsresult rv = UnwrapObject<prototypes::id::Window, nsGlobalWindowInner>(args[3], arg3, cx);
        if (NS_FAILED(rv)) {
          cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 4", "Window");
          return false;
        }
      }
    } else if (args[3].isNullOrUndefined()) {
      arg3 = nullptr;
    } else {
      cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 4");
      return false;
    }
  } else {
    arg3 = nullptr;
  }
  int32_t arg4;
  if (args.hasDefined(4)) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, args[4], "Argument 5", &arg4)) {
      return false;
    }
  } else {
    arg4 = 0;
  }
  int32_t arg5;
  if (args.hasDefined(5)) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, args[5], "Argument 6", &arg5)) {
      return false;
    }
  } else {
    arg5 = 0;
  }
  int32_t arg6;
  if (args.hasDefined(6)) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, args[6], "Argument 7", &arg6)) {
      return false;
    }
  } else {
    arg6 = 0;
  }
  int32_t arg7;
  if (args.hasDefined(7)) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, args[7], "Argument 8", &arg7)) {
      return false;
    }
  } else {
    arg7 = 0;
  }
  int32_t arg8;
  if (args.hasDefined(8)) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, args[8], "Argument 9", &arg8)) {
      return false;
    }
  } else {
    arg8 = 0;
  }
  bool arg9;
  if (args.hasDefined(9)) {
    if (!ValueToPrimitive<bool, eDefault>(cx, args[9], "Argument 10", &arg9)) {
      return false;
    }
  } else {
    arg9 = false;
  }
  bool arg10;
  if (args.hasDefined(10)) {
    if (!ValueToPrimitive<bool, eDefault>(cx, args[10], "Argument 11", &arg10)) {
      return false;
    }
  } else {
    arg10 = false;
  }
  bool arg11;
  if (args.hasDefined(11)) {
    if (!ValueToPrimitive<bool, eDefault>(cx, args[11], "Argument 12", &arg11)) {
      return false;
    }
  } else {
    arg11 = false;
  }
  bool arg12;
  if (args.hasDefined(12)) {
    if (!ValueToPrimitive<bool, eDefault>(cx, args[12], "Argument 13", &arg12)) {
      return false;
    }
  } else {
    arg12 = false;
  }
  int16_t arg13;
  if (args.hasDefined(13)) {
    if (!ValueToPrimitive<int16_t, eDefault>(cx, args[13], "Argument 14", &arg13)) {
      return false;
    }
  } else {
    arg13 = 0;
  }
  mozilla::dom::EventTarget* arg14;
  if (args.hasDefined(14)) {
    if (args[14].isObject()) {
      {
        // Our JSContext should be in the right global to do unwrapping in.
        nsresult rv = UnwrapObject<prototypes::id::EventTarget, mozilla::dom::EventTarget>(args[14], arg14, cx);
        if (NS_FAILED(rv)) {
          cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 15", "EventTarget");
          return false;
        }
      }
    } else if (args[14].isNullOrUndefined()) {
      arg14 = nullptr;
    } else {
      cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 15");
      return false;
    }
  } else {
    arg14 = nullptr;
  }
  int32_t arg15;
  if (args.hasDefined(15)) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, args[15], "Argument 16", &arg15)) {
      return false;
    }
  } else {
    arg15 = 0;
  }
  // NOTE: This assert does NOT call the function.
  static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->InitMouseScrollEvent(NonNullHelper(Constify(arg0)), arg1, arg2, MOZ_KnownLive(Constify(arg3)), arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, MOZ_KnownLive(Constify(arg14)), arg15))>, "Should be returning void here");
  MOZ_KnownLive(self)->InitMouseScrollEvent(NonNullHelper(Constify(arg0)), arg1, arg2, MOZ_KnownLive(Constify(arg3)), arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, MOZ_KnownLive(Constify(arg14)), arg15);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo initMouseScrollEvent_methodinfo = {
  { (JSJitGetterOp)initMouseScrollEvent },
  { prototypes::id::MouseScrollEvent },
  { PrototypeTraits<prototypes::id::MouseScrollEvent>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};

MOZ_CAN_RUN_SCRIPT static bool
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "MouseScrollEvent", "isTrusted", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::MouseScrollEvent*>(void_self);
  bool result(MOZ_KnownLive(self)->IsTrusted());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo isTrusted_getterinfo = {
  { get_isTrusted },
  { prototypes::id::MouseScrollEvent },
  { PrototypeTraits<prototypes::id::MouseScrollEvent>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};

static void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
  mozilla::dom::MouseScrollEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MouseScrollEvent>(obj);
  if (self) {
    JS::SetNativeObjectReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
    ClearWrapper(self, self, obj);
    if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
      JS::RemoveAssociatedMemory(obj, mallocBytes,
                                 JS::MemoryUse::DOMBinding);
    }
    AddForDeferredFinalization<mozilla::dom::MouseScrollEvent>(self);
  }
}

MOZ_GLOBINIT static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("initMouseScrollEvent", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&initMouseScrollEvent_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};


static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = {
  JSPropertySpec::nativeAccessors("axis", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &axis_getterinfo, nullptr, nullptr),
  JS_PS_END
};


static const Prefable<const JSPropertySpec> sAttributes[] = {
  { nullptr, &sAttributes_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

MOZ_GLOBINIT static const JSPropertySpec sUnforgeableAttributes_specs[] = {
  JSPropertySpec::nativeAccessors("isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr),
  JS_PS_END
};


static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
  { nullptr, &sUnforgeableAttributes_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

MOZ_GLOBINIT static const ConstantSpec sConstants_specs[] = {
  { "HORIZONTAL_AXIS", JS::Int32Value(1) },
  { "VERTICAL_AXIS", JS::Int32Value(2) },
  { 0, JS::UndefinedValue() }
};


static const Prefable<const ConstantSpec> sConstants[] = {
  { nullptr, &sConstants_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");


static uint16_t sNativeProperties_sortedPropertyIndices[5];
static PropertyInfo sNativeProperties_propertyInfos[5];

static const NativePropertiesN<4> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  true,  2 /* sUnforgeableAttributes */,
  true,  3 /* sConstants */,
  -1,
  5,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[1] },
    { sUnforgeableAttributes, &sNativeProperties_propertyInfos[2] },
    { sConstants, &sNativeProperties_propertyInfos[3] }
  }
};
static_assert(5 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
    "We have a property info count that is oversized");

bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
  nullptr,
  { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
  prototypes::id::MouseScrollEvent,
  constructors::id::MouseScrollEvent,
  &DefaultXrayExpandoObjectClass
};

static const DOMInterfaceInfo sInterfaceObjectInfo = {
  { ThrowingConstructor, &sNativePropertyHooks },
  MouseEvent_Binding::GetConstructorObjectHandle,
  PrototypeTraits<prototypes::id::MouseScrollEvent>::Depth,
  prototypes::id::MouseScrollEvent,
  true,
  0,
  "MouseScrollEvent",
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "MouseScrollEventPrototype",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
    JS_NULL_CLASS_OPS,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    JS_NULL_OBJECT_OPS
  },
  eInterfacePrototype,
  prototypes::id::MouseScrollEvent,
  PrototypeTraits<prototypes::id::MouseScrollEvent>::Depth,
  &sNativePropertyHooks,
  MouseEvent_Binding::GetProtoObject
};

static JS::Handle<JSObject*>
GetProtoObjectHandle(JSContext* aCx);

static const JSClassOps sClassOps = {
  nullptr,               /* addProperty */
  nullptr,               /* delProperty */
  nullptr,               /* enumerate */
  nullptr, /* newEnumerate */
  nullptr, /* resolve */
  nullptr, /* mayResolve */
  _finalize, /* finalize */
  nullptr, /* call */
  nullptr,               /* construct */
  nullptr, /* trace */
};

static const DOMJSClass sClass = {
  { "MouseScrollEvent",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE | JSCLASS_PRESERVES_WRAPPER,
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &NativeTypeHelpers<mozilla::dom::MouseScrollEvent>::sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::Event, prototypes::id::UIEvent, prototypes::id::MouseEvent, prototypes::id::MouseScrollEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  std::is_base_of_v<nsISupports, mozilla::dom::MouseScrollEvent>,
  &sNativePropertyHooks,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::MouseScrollEvent>::Get(),
  nullptr,
  NativeTypeHelpers<mozilla::dom::MouseScrollEvent>::GetWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
              "Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
              "Must have enough reserved slots.");

bool
Wrap(JSContext* aCx, mozilla::dom::MouseScrollEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::MouseScrollEvent>,
                "Shouldn't have wrappercached things that are not refcounted.");
  static_assert(std::is_same_v<decltype(aObject), mozilla::dom::MouseScrollEvent*>);
  MOZ_ASSERT(static_cast<mozilla::dom::MouseEvent*>(aObject) ==
             reinterpret_cast<mozilla::dom::MouseEvent*>(aObject),
             "Multiple inheritance for mozilla::dom::MouseEvent is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::UIEvent*>(aObject) ==
             reinterpret_cast<mozilla::dom::UIEvent*>(aObject),
             "Multiple inheritance for mozilla::dom::UIEvent is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
             reinterpret_cast<mozilla::dom::Event*>(aObject),
             "Multiple inheritance for mozilla::dom::Event is broken.");
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
  MOZ_ASSERT(!aCache->GetWrapper(),
             "You should probably not be using Wrap() directly; use "
             "GetOrCreateDOMReflector instead");

  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
             "nsISupports must be on our primary inheritance chain");

  // If the wrapper cache contains a dead reflector then finalize that
  // now, ensuring that the finalizer for the old reflector always
  // runs before the new reflector is created and attached. This
  // avoids the awkward situation where there are multiple reflector
  // objects that contain pointers to the same native.

  if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
    _finalize(nullptr /* unused */, oldReflector);
    MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
  }

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
  if (!global) {
    return false;
  }
  MOZ_ASSERT(JS_IsGlobalObject(global));
  JS::AssertObjectIsNotGray(global);

  // That might have ended up wrapping us already, due to the wonders
  // of XBL.  Check for that, and bail out as needed.
  aReflector.set(aCache->GetWrapper());
  if (aReflector) {
#ifdef DEBUG
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
    return true;
  }

  JSAutoRealm ar(aCx, global);
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
  if (!canonicalProto) {
    return false;
  }
  JS::Rooted<JSObject*> proto(aCx);
  if (aGivenProto) {
    proto = aGivenProto;
    // Unfortunately, while aGivenProto was in the compartment of aCx
    // coming in, we changed compartments to that of "parent" so may need
    // to wrap the proto here.
    if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
      if (!JS_WrapObject(aCx, &proto)) {
        return false;
      }
    }
  } else {
    proto = canonicalProto;
  }

  BindingJSObjectCreator<mozilla::dom::MouseScrollEvent> creator(aCx);
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
  if (!aReflector) {
    return false;
  }

  aCache->SetWrapper(aReflector);

  // Important: do unforgeable property setup after we have handed
  // over ownership of the C++ object to obj as needed, so that if
  // we fail and it ends up GCed it won't have problems in the
  // finalizer trying to drop its ownership of the C++ object.
  JS::Rooted<JSObject*> unforgeableHolder(aCx,
    &JS::GetNativeObjectReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
  if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
    aCache->ReleaseWrapper(aObject);
    aCache->ClearWrapperOnWrapFailure();
    return false;
  }
  creator.InitializationSucceeded();

  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
             aCache->GetWrapperPreserveColor() == aReflector);
  // If proto != canonicalProto, we have to preserve our wrapper;
  // otherwise we won't be able to properly recreate it later, since
  // we won't know what proto to use.  Note that we don't check
  // aGivenProto here, since it's entirely possible (and even
  // somewhat common) to have a non-null aGivenProto which is the
  // same as canonicalProto.
  if (proto != canonicalProto) {
    PreserveWrapper(aObject);
  }

  return true;
}

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal)
{
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MouseScrollEvent);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MouseScrollEvent);

  JS::Handle<JSObject*> parentProto(MouseEvent_Binding::GetProtoObjectHandle(aCx));
  if (!parentProto) {
    return;
  }

  JS::Handle<JSObject*> constructorProto(MouseEvent_Binding::GetConstructorObjectHandle(aCx));
  if (!constructorProto) {
    return;
  }

  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass, protoCache,
                              constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nullptr,
                              "MouseScrollEvent",
                              aDefineOnGlobal != DefineInterfaceProperty::No,
                              nullptr,
                              false,
                              nullptr);

  JS::AssertObjectIsNotGray(*protoCache);
  JS::Handle<JSObject*> proto = JS::Handle<JSObject*>::fromMarkedLocation(protoCache->unsafeAddress());
  if (!proto) {
    *protoCache = nullptr;
    if (interfaceCache) {
      *interfaceCache = nullptr;
    }
    return;
  }

  JS::Rooted<JSObject*> unforgeableHolder(
      aCx, JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), proto));
  if (!unforgeableHolder) {
    *protoCache = nullptr;
    if (interfaceCache) {
      *interfaceCache = nullptr;
    }
    return;
  }

  if (!DefineLegacyUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
    *protoCache = nullptr;
    if (interfaceCache) {
      *interfaceCache = nullptr;
    }
    return;
  }

  if (*protoCache) {
    JS::SetNativeObjectReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
                                    JS::ObjectValue(*unforgeableHolder));
  }
}

static JS::Handle<JSObject*>
GetProtoObjectHandle(JSContext* aCx)
{
  /* Get the interface prototype object for this class.  This will create the
     object as needed. */
  return GetPerInterfaceObjectHandle(aCx, prototypes::id::MouseScrollEvent,
                                     &CreateInterfaceObjects,
                                     DefineInterfaceProperty::CheckExposure);

}

JS::Handle<JSObject*>
GetConstructorObjectHandle(JSContext* aCx)
{
  /* Get the interface object for this class.  This will create the object as
     needed. */

  return GetPerInterfaceObjectHandle(aCx, constructors::id::MouseScrollEvent,
                                     &CreateInterfaceObjects,
                                     DefineInterfaceProperty::CheckExposure);
}

} // namespace MouseScrollEvent_Binding



} // namespace mozilla::dom