/work/obj-fuzz/dom/bindings/DataTransferBinding.cpp

Source (jump to first uncovered line)
/* THIS FILE IS AUTOGENERATED FROM DataTransfer.webidl BY Codegen.py - DO NOT EDIT */

#include "DataTransfer.h"
#include "DataTransferBinding.h"
#include "WrapperFactory.h"
#include "XrayWrapper.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/UseCounter.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/DOMStringList.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/DataTransferItemList.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/FileList.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"
#include "nsINode.h"

namespace mozilla {
namespace dom {

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


namespace DataTransfer_Binding {

MOZ_CAN_RUN_SCRIPT static bool
get_dropEffect(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.dropEffect", DOM, cx);

  DOMString result;
  self->GetDropEffect(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
set_dropEffect(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set DataTransfer.dropEffect", DOM, cx);

  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  self->SetDropEffect(NonNullHelper(Constify(arg0)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo dropEffect_getterinfo = {
  { (JSJitGetterOp)get_dropEffect },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo dropEffect_setterinfo = {
  { (JSJitGetterOp)set_dropEffect },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Setter,
  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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_effectAllowed(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.effectAllowed", DOM, cx);

  DOMString result;
  self->GetEffectAllowed(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
set_effectAllowed(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set DataTransfer.effectAllowed", DOM, cx);

  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  self->SetEffectAllowed(NonNullHelper(Constify(arg0)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo effectAllowed_getterinfo = {
  { (JSJitGetterOp)get_effectAllowed },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo effectAllowed_setterinfo = {
  { (JSJitGetterOp)set_effectAllowed },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Setter,
  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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_items(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.items", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::dom::DataTransferItemList>(self->Items()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo items_getterinfo = {
  { (JSJitGetterOp)get_items },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
setDragImage(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.setDragImage", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 3)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.setDragImage");
  }
  NonNull<mozilla::dom::Element> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::Element, mozilla::dom::Element>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of DataTransfer.setDragImage", "Element");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of DataTransfer.setDragImage");
    return false;
  }
  int32_t arg1;
  if (!ValueToPrimitive<int32_t, eDefault>(cx, args[1], &arg1)) {
    return false;
  }
  int32_t arg2;
  if (!ValueToPrimitive<int32_t, eDefault>(cx, args[2], &arg2)) {
    return false;
  }
  self->SetDragImage(MOZ_KnownLive(NonNullHelper(arg0)), arg1, arg2);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setDragImage_methodinfo = {
  { (JSJitGetterOp)setDragImage },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_types(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.types", DOM, cx);

  // Have to either root across the getter call or reget after.
  bool isXray;
  JS::Rooted<JSObject*> slotStorage(cx, GetCachedSlotStorageObject(cx, obj, &isXray));
  if (!slotStorage) {
    return false;
  }
  const size_t slotIndex = isXray ? (xpc::JSSLOT_EXPANDO_COUNT + 0) : (DOM_INSTANCE_RESERVED_SLOTS + 0);
  MOZ_ASSERT(JSCLASS_RESERVED_SLOTS(js::GetObjectClass(slotStorage)) > slotIndex);
  {
    // Scope for cachedVal
    JS::Value cachedVal = js::GetReservedSlot(slotStorage, slotIndex);
    if (!cachedVal.isUndefined()) {
      args.rval().set(cachedVal);
      // The cached value is in the compartment of slotStorage,
      // so wrap into the caller compartment as needed.
      if (MaybeWrapNonDOMObjectValue(cx, args.rval())) {
        return true;
      }
      return false;
    }
  }

  nsTArray<nsString> result;
  self->GetTypes(result, nsContentUtils::IsSystemCaller(cx) ? CallerType::System : CallerType::NonSystem);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  {
    JS::Rooted<JSObject*> conversionScope(cx, isXray ? JS::CurrentGlobalOrNull(cx) : slotStorage);
    JSAutoRealm ar(cx, conversionScope);
    do { // block we break out of when done wrapping

      uint32_t length = result.Length();
      JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
      if (!returnArray) {
        return false;
      }
      // Scope for 'tmp'
      {
        JS::Rooted<JS::Value> tmp(cx);
        for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
          // Control block to let us common up the JS_DefineElement calls when there
          // are different ways to succeed at wrapping the object.
          do {
            if (!xpc::NonVoidStringToJsval(cx, result[sequenceIdx0], &tmp)) {
              return false;
            }
            break;
          } while (false);
          if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                                JSPROP_ENUMERATE)) {
            return false;
          }
        }
      }
      args.rval().setObject(*returnArray);
      break;
    } while (false);
    if (args.rval().isObject() && nsContentUtils::ThreadsafeIsSystemCaller(cx)) {
      JS::Rooted<JSObject*> rvalObj(cx, &args.rval().toObject());
      JS::Rooted<JS::Value> includesVal(cx);
      if (!JS_GetProperty(cx, rvalObj, "includes", &includesVal) ||
          !JS_DefineProperty(cx, rvalObj, "contains", includesVal, JSPROP_ENUMERATE)) {
        return false;
      }
    }

    JS::Rooted<JSObject*> rvalObj(cx, &args.rval().toObject());
    if (!JS_FreezeObject(cx, rvalObj)) {
      return false;
    }
  }
  { // And now store things in the realm of our slotStorage.
    JSAutoRealm ar(cx, slotStorage);
    // Make a copy so that we don't do unnecessary wrapping on args.rval().
    JS::Rooted<JS::Value> storedVal(cx, args.rval());
    if (!MaybeWrapNonDOMObjectValue(cx, &storedVal)) {
      return false;
    }
    js::SetReservedSlot(slotStorage, slotIndex, storedVal);
    if (!isXray) {
      // In the Xray case we don't need to do this, because getting the
      // expando object already preserved our wrapper.
      PreserveWrapper(self);
    }
  }
  // And now make sure args.rval() is in the caller realm.
  if (MaybeWrapNonDOMObjectValue(cx, args.rval())) {
    return true;
  }
  return false;
}

static const JSJitInfo types_getterinfo = {
  { (JSJitGetterOp)get_types },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  true, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  (DOM_INSTANCE_RESERVED_SLOTS + 0)   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getData(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.getData", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.getData");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  DOMString result;
  self->GetData(NonNullHelper(Constify(arg0)), result, subjectPrincipal, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo getData_methodinfo = {
  { (JSJitGetterOp)getData },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
setData(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.setData", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 2)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.setData");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  binding_detail::FakeString arg1;
  if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
    return false;
  }
  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  self->SetData(NonNullHelper(Constify(arg0)), NonNullHelper(Constify(arg1)), subjectPrincipal, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setData_methodinfo = {
  { (JSJitGetterOp)setData },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
clearData(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.clearData", DOM, cx);

  Optional<nsAString> arg0;
  binding_detail::FakeString arg0_holder;
  if (args.hasDefined(0)) {
    if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0_holder)) {
      return false;
    }
    arg0 = &arg0_holder;
  }
  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  self->ClearData(NonNullHelper(Constify(arg0)), subjectPrincipal, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo clearData_methodinfo = {
  { (JSJitGetterOp)clearData },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_files(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.files", DOM, cx);

  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  auto result(StrongOrRawPtr<mozilla::dom::FileList>(self->GetFiles(subjectPrincipal)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo files_getterinfo = {
  { (JSJitGetterOp)get_files },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getFilesAndDirectories(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.getFilesAndDirectories", DOM, cx);

  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  auto result(StrongOrRawPtr<Promise>(self->GetFilesAndDirectories(subjectPrincipal, rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
getFilesAndDirectories_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  bool ok = getFilesAndDirectories(cx, obj, self, args);
  if (ok) {
    return true;
  }
  return ConvertExceptionToPromise(cx, args.rval());
}

static const JSJitInfo getFilesAndDirectories_methodinfo = {
  { (JSJitGetterOp)getFilesAndDirectories_promiseWrapper },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getFiles(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.getFiles", DOM, cx);

  bool arg0;
  if (args.hasDefined(0)) {
    if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
      return false;
    }
  } else {
    arg0 = false;
  }
  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  auto result(StrongOrRawPtr<Promise>(self->GetFiles(arg0, subjectPrincipal, rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
getFiles_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  bool ok = getFiles(cx, obj, self, args);
  if (ok) {
    return true;
  }
  return ConvertExceptionToPromise(cx, args.rval());
}

static const JSJitInfo getFiles_methodinfo = {
  { (JSJitGetterOp)getFiles_promiseWrapper },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
addElement(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.addElement", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.addElement");
  }
  NonNull<mozilla::dom::Element> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::Element, mozilla::dom::Element>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of DataTransfer.addElement", "Element");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of DataTransfer.addElement");
    return false;
  }
  FastErrorResult rv;
  self->AddElement(MOZ_KnownLive(NonNullHelper(arg0)), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  SetDocumentAndPageUseCounter(obj, eUseCounter_DataTransfer_addElement);
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo addElement_methodinfo = {
  { (JSJitGetterOp)addElement },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_mozItemCount(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.mozItemCount", DOM, cx);

  uint32_t result(self->MozItemCount());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setNumber(result);
  return true;
}

static const JSJitInfo mozItemCount_getterinfo = {
  { (JSJitGetterOp)get_mozItemCount },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_DOUBLE,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_mozCursor(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.mozCursor", DOM, cx);

  DOMString result;
  self->GetMozCursor(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  SetDocumentAndPageUseCounter(obj, eUseCounter_DataTransfer_mozCursor_getter);
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
set_mozCursor(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set DataTransfer.mozCursor", DOM, cx);

  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  self->SetMozCursor(NonNullHelper(Constify(arg0)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  SetDocumentAndPageUseCounter(obj, eUseCounter_DataTransfer_mozCursor_setter);

  return true;
}

static const JSJitInfo mozCursor_getterinfo = {
  { (JSJitGetterOp)get_mozCursor },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo mozCursor_setterinfo = {
  { (JSJitGetterOp)set_mozCursor },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Setter,
  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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
mozTypesAt(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.mozTypesAt", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.mozTypesAt");
  }
  uint32_t arg0;
  if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::DOMStringList>(self->MozTypesAt(arg0, nsContentUtils::IsSystemCaller(cx) ? CallerType::System : CallerType::NonSystem, rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo mozTypesAt_methodinfo = {
  { (JSJitGetterOp)mozTypesAt },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
mozClearDataAt(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.mozClearDataAt", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 2)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.mozClearDataAt");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  uint32_t arg1;
  if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[1], &arg1)) {
    return false;
  }
  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  self->MozClearDataAt(NonNullHelper(Constify(arg0)), arg1, subjectPrincipal, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo mozClearDataAt_methodinfo = {
  { (JSJitGetterOp)mozClearDataAt },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
mozSetDataAt(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.mozSetDataAt", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 3)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.mozSetDataAt");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  JS::Rooted<JS::Value> arg1(cx);
  arg1 = args[1];
  uint32_t arg2;
  if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[2], &arg2)) {
    return false;
  }
  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  self->MozSetDataAt(cx, NonNullHelper(Constify(arg0)), arg1, arg2, subjectPrincipal, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo mozSetDataAt_methodinfo = {
  { (JSJitGetterOp)mozSetDataAt },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
mozGetDataAt(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.mozGetDataAt", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 2)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.mozGetDataAt");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  uint32_t arg1;
  if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[1], &arg1)) {
    return false;
  }
  FastErrorResult rv;
  NonNull<nsIPrincipal> subjectPrincipal;
  {
    JS::Realm* realm = js::GetContextRealm(cx);
    MOZ_ASSERT(realm);
    JSPrincipals* principals = JS::GetRealmPrincipals(realm);
    nsIPrincipal* principal = nsJSPrincipals::get(principals);

    subjectPrincipal = principal;
  }
  JS::Rooted<JS::Value> result(cx);
  self->MozGetDataAt(cx, NonNullHelper(Constify(arg0)), arg1, &result, subjectPrincipal, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  JS::ExposeValueToActiveJS(result);
  args.rval().set(result);
  if (!MaybeWrapValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo mozGetDataAt_methodinfo = {
  { (JSJitGetterOp)mozGetDataAt },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
updateDragImage(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.updateDragImage", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 3)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.updateDragImage");
  }
  NonNull<mozilla::dom::Element> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::Element, mozilla::dom::Element>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of DataTransfer.updateDragImage", "Element");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of DataTransfer.updateDragImage");
    return false;
  }
  int32_t arg1;
  if (!ValueToPrimitive<int32_t, eDefault>(cx, args[1], &arg1)) {
    return false;
  }
  int32_t arg2;
  if (!ValueToPrimitive<int32_t, eDefault>(cx, args[2], &arg2)) {
    return false;
  }
  self->UpdateDragImage(MOZ_KnownLive(NonNullHelper(arg0)), arg1, arg2);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo updateDragImage_methodinfo = {
  { (JSJitGetterOp)updateDragImage },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_mozUserCancelled(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.mozUserCancelled", DOM, cx);

  bool result(self->MozUserCancelled());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  SetDocumentAndPageUseCounter(obj, eUseCounter_DataTransfer_mozUserCancelled_getter);
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo mozUserCancelled_getterinfo = {
  { (JSJitGetterOp)get_mozUserCancelled },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_mozSourceNode(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.mozSourceNode", DOM, cx);

  auto result(StrongOrRawPtr<nsINode>(self->GetMozSourceNode()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  SetDocumentAndPageUseCounter(obj, eUseCounter_DataTransfer_mozSourceNode_getter);
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo mozSourceNode_getterinfo = {
  { (JSJitGetterOp)get_mozSourceNode },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_mozTriggeringPrincipalURISpec(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DataTransfer.mozTriggeringPrincipalURISpec", DOM, cx);

  DOMString result;
  self->GetMozTriggeringPrincipalURISpec(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo mozTriggeringPrincipalURISpec_getterinfo = {
  { (JSJitGetterOp)get_mozTriggeringPrincipalURISpec },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
mozCloneForEvent(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DataTransfer* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer.mozCloneForEvent", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DataTransfer.mozCloneForEvent");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::DataTransfer>(self->MozCloneForEvent(NonNullHelper(Constify(arg0)), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo mozCloneForEvent_methodinfo = {
  { (JSJitGetterOp)mozCloneForEvent },
  { prototypes::id::DataTransfer },
  { PrototypeTraits<prototypes::id::DataTransfer>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
  mozilla::dom::DataTransfer* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DataTransfer>(obj);
  // We don't want to preserve if we don't have a wrapper, and we
  // obviously can't preserve if we're not initialized.
  if (self && self->GetWrapperPreserveColor()) {
    PreserveWrapper(self);
  }
  return true;
}

static void
_finalize(js::FreeOp* fop, JSObject* obj)
{
  mozilla::dom::DataTransfer* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DataTransfer>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::DataTransfer>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::DataTransfer* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DataTransfer>(obj);
  if (self) {
    UpdateWrapper(self, self, obj, old);
  }

  return 0;
}

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("setDragImage", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&setDragImage_methodinfo), 3, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getData", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getData_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("setData", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&setData_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("clearData", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&clearData_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("getFilesAndDirectories", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&getFilesAndDirectories_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getFiles", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&getFiles_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("addElement", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&addElement_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("mozTypesAt", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&mozTypesAt_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("mozClearDataAt", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&mozClearDataAt_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("mozSetDataAt", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&mozSetDataAt_methodinfo), 3, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("mozGetDataAt", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&mozGetDataAt_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// Can't be const because the pref-enabled boolean needs to be writable
static PrefableDisablers sMethods_disablers5 = {
  true, false, 0, nullptr
};

// Can't be const because the pref-enabled boolean needs to be writable
static PrefableDisablers sMethods_disablers10 = {
  true, false, 0, &DataTransfer::MozAtAPIsEnabled
};

static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { &sMethods_disablers5, &sMethods_specs[5] },
  { nullptr, &sMethods_specs[8] },
  { &sMethods_disablers10, &sMethods_specs[10] },
  { nullptr, nullptr }
};

static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sChromeMethods_specs[] = {
  JS_FNSPEC("updateDragImage", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&updateDragImage_methodinfo), 3, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("mozCloneForEvent", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&mozCloneForEvent_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sChromeMethods[] = {
  { nullptr, &sChromeMethods_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)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSPropertySpec sAttributes_specs[] = {
  { "dropEffect", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &dropEffect_getterinfo, GenericSetter<NormalThisPolicy>, &dropEffect_setterinfo },
  { "effectAllowed", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &effectAllowed_getterinfo, GenericSetter<NormalThisPolicy>, &effectAllowed_setterinfo },
  { "items", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &items_getterinfo, nullptr, nullptr },
  { "types", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &types_getterinfo, nullptr, nullptr },
  { "files", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &files_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr },
  { "mozItemCount", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozItemCount_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr },
  { "mozCursor", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozCursor_getterinfo, GenericSetter<NormalThisPolicy>, &mozCursor_setterinfo },
  { "mozUserCancelled", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozUserCancelled_getterinfo, nullptr, nullptr },
  { "mozSourceNode", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozSourceNode_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// Can't be const because the pref-enabled boolean needs to be writable
static PrefableDisablers sAttributes_disablers6 = {
  true, false, 0, &DataTransfer::MozAtAPIsEnabled
};

static const Prefable<const JSPropertySpec> sAttributes[] = {
  { nullptr, &sAttributes_specs[0] },
  { &sAttributes_disablers6, &sAttributes_specs[6] },
  { nullptr, &sAttributes_specs[8] },
  { nullptr, nullptr }
};

static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(5 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSPropertySpec sChromeAttributes_specs[] = {
  { "mozTriggeringPrincipalURISpec", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozTriggeringPrincipalURISpec_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSPropertySpec> sChromeAttributes[] = {
  { nullptr, &sChromeAttributes_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)");


static uint16_t sNativeProperties_sortedPropertyIndices[20];
static PropertyInfo sNativeProperties_propertyInfos[20];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  20,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[11] }
  }
};
static_assert(20 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[3];
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[3];

static const NativePropertiesN<2> sChromeOnlyNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sChromeMethods */,
  true,  1 /* sChromeAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  3,
  sChromeOnlyNativeProperties_sortedPropertyIndices,
  {
    { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[0] },
    { sChromeAttributes, &sChromeOnlyNativeProperties_propertyInfos[2] }
  }
};
static_assert(3 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("DataTransfer constructor", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());
  if (!args.isConstructing()) {
    // XXXbz wish I could get the name from the callee instead of
    // Adding more relocations
    return ThrowConstructorWithoutNew(cx, "DataTransfer");
  }

  JS::Rooted<JSObject*> desiredProto(cx);
  if (!GetDesiredProto(cx, args, &desiredProto)) {
    return false;
  }

  GlobalObject global(cx, obj);
  if (global.Failed()) {
    return false;
  }

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  Maybe<JSAutoRealm> ar;
  if (objIsXray) {
    obj = js::CheckedUnwrap(obj);
    if (!obj) {
      return false;
    }
    ar.emplace(cx, obj);
    if (!JS_WrapObject(cx, &desiredProto)) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::DataTransfer>(mozilla::dom::DataTransfer::Constructor(global, rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  static_assert(!IsPointer<decltype(result)>::value,
                "NewObject implies that we need to keep the object alive with a strong reference.");
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const js::ClassOps sInterfaceObjectClassOps = {
    nullptr,               /* addProperty */
    nullptr,               /* delProperty */
    nullptr,               /* enumerate */
    nullptr,               /* newEnumerate */
    nullptr,               /* resolve */
    nullptr,               /* mayResolve */
    nullptr,               /* finalize */
    _constructor, /* call */
    nullptr,               /* hasInstance */
    _constructor, /* construct */
    nullptr,               /* trace */
};

static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
  {
    "Function",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    &sInterfaceObjectClassOps,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    &sInterfaceObjectClassObjectOps
  },
  eInterface,
  true,
  prototypes::id::DataTransfer,
  PrototypeTraits<prototypes::id::DataTransfer>::Depth,
  sNativePropertyHooks,
  "function DataTransfer() {\n    [native code]\n}",
  JS::GetRealmFunctionPrototype
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "DataTransferPrototype",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
    JS_NULL_CLASS_OPS,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    JS_NULL_OBJECT_OPS
  },
  eInterfacePrototype,
  false,
  prototypes::id::DataTransfer,
  PrototypeTraits<prototypes::id::DataTransfer>::Depth,
  sNativePropertyHooks,
  "[object DataTransferPrototype]",
  JS::GetRealmObjectPrototype
};

static const js::ClassOps sClassOps = {
  _addProperty, /* addProperty */
  nullptr,               /* delProperty */
  nullptr,               /* enumerate */
  nullptr, /* newEnumerate */
  nullptr, /* resolve */
  nullptr, /* mayResolve */
  _finalize, /* finalize */
  nullptr, /* call */
  nullptr,               /* hasInstance */
  nullptr,               /* construct */
  nullptr, /* trace */
};

static const js::ClassExtension sClassExtension = {
  nullptr, /* weakmapKeyDelegateOp */
  _objectMoved /* objectMovedOp */
};

static const DOMJSClass sClass = {
  { "DataTransfer",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::DataTransfer, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::dom::DataTransfer >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::DataTransfer>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::DataTransfer>::Get()
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
              "Must have the right minimal number of reserved slots.");
static_assert(2 >= 2,
              "Must have enough reserved slots.");

const JSClass*
GetJSClass()
{
  return sClass.ToJSClass();
}

bool
Wrap(JSContext* aCx, mozilla::dom::DataTransfer* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::DataTransfer>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::DataTransfer*>(aObject) ==
             reinterpret_cast<mozilla::dom::DataTransfer*>(aObject),
             "Multiple inheritance for mozilla::dom::DataTransfer 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");

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
  if (!global) {
    return false;
  }
  MOZ_ASSERT(JS_IsGlobalObject(global));
  MOZ_ASSERT(JS::ObjectIsNotGray(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::GetObjectCompartment(proto)) {
      if (!JS_WrapObject(aCx, &proto)) {
        return false;
      }
    }
  } else {
    proto = canonicalProto;
  }

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

  aCache->SetWrapper(aReflector);
  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;
}

// This may allocate too many slots, because we only really need
// slots for our non-interface-typed members that we cache.  But
// allocating slots only for those would make the slot index
// computations much more complicated, so let's do this the simple
// way for now.
DEFINE_XRAY_EXPANDO_CLASS(static, sXrayExpandoObjectClass, 1);

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
  prototypes::id::DataTransfer,
  constructors::id::DataTransfer,
  nullptr,
  &sXrayExpandoObjectClass
} };

void
ClearCachedTypesValue(mozilla::dom::DataTransfer* aObject)
{
  JSObject* obj;
  obj = aObject->GetWrapper();
  if (!obj) {
    return;
  }
  js::SetReservedSlot(obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), JS::UndefinedValue());
  xpc::ClearXrayExpandoSlots(obj, (xpc::JSSLOT_EXPANDO_COUNT + 0));
}

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
  if (!parentProto) {
    return;
  }

  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
  if (!constructorProto) {
    return;
  }

  static bool sIdsInited = false;
  if (!sIdsInited && NS_IsMainThread()) {
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
      return;
    }
    if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
      return;
    }
    sIdsInited = true;
  }

  static bool sPrefCachesInited = false;
  if (!sPrefCachesInited && NS_IsMainThread()) {
    sPrefCachesInited = true;
    Preferences::AddBoolVarCache(&sMethods[1].disablers->enabled, "dom.input.dirpicker");
  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DataTransfer);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DataTransfer);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              sChromeOnlyNativeProperties.Upcast(),
                              "DataTransfer", aDefineOnGlobal,
                              nullptr,
                              false);
}

JSObject*
GetConstructorObject(JSContext* aCx)
{
  return GetConstructorObjectHandle(aCx);
}

} // namespace DataTransfer_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53