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

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

#include "AtomList.h"
#include "MouseEventBinding.h"
#include "PointerEventBinding.h"
#include "WrapperFactory.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PointerEvent.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/XrayExpandoClass.h"

namespace mozilla {
namespace dom {

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



PointerEventInit::PointerEventInit()
  : MouseEventInit(FastDictionaryInitializer())
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
PointerEventInit::InitIds(JSContext* cx, PointerEventInitAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->width_id.init(cx, "width") ||
      !atomsCache->twist_id.init(cx, "twist") ||
      !atomsCache->tiltY_id.init(cx, "tiltY") ||
      !atomsCache->tiltX_id.init(cx, "tiltX") ||
      !atomsCache->tangentialPressure_id.init(cx, "tangentialPressure") ||
      !atomsCache->pressure_id.init(cx, "pressure") ||
      !atomsCache->pointerType_id.init(cx, "pointerType") ||
      !atomsCache->pointerId_id.init(cx, "pointerId") ||
      !atomsCache->isPrimary_id.init(cx, "isPrimary") ||
      !atomsCache->height_id.init(cx, "height") ||
      !atomsCache->coalescedEvents_id.init(cx, "coalescedEvents")) {
    return false;
  }
  return true;
}

bool
PointerEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  PointerEventInitAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<PointerEventInitAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  // Per spec, we init the parent's members first
  if (!MouseEventInit::Init(cx, val)) {
    return false;
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->coalescedEvents_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (temp.ref().isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(temp.ref(), JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'coalescedEvents' member of PointerEventInit");
        return false;
      }
      Sequence<OwningNonNull<mozilla::dom::PointerEvent>> &arr = mCoalescedEvents;
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        OwningNonNull<mozilla::dom::PointerEvent>* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        OwningNonNull<mozilla::dom::PointerEvent>& slot = *slotPtr;
        if (temp.isObject()) {
          static_assert(IsRefcounted<mozilla::dom::PointerEvent>::value, "We can only store refcounted classes.");{
            nsresult rv = UnwrapObject<prototypes::id::PointerEvent, mozilla::dom::PointerEvent>(&temp, slot);
            if (NS_FAILED(rv)) {
              ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Element of 'coalescedEvents' member of PointerEventInit", "PointerEvent");
              return false;
            }
          }
        } else {
          ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Element of 'coalescedEvents' member of PointerEventInit");
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'coalescedEvents' member of PointerEventInit");
      return false;
    }
  } else {
    /* Array is already empty; nothing to do */
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->height_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, temp.ref(), &mHeight)) {
      return false;
    }
  } else {
    mHeight = 1;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->isPrimary_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mIsPrimary)) {
      return false;
    }
  } else {
    mIsPrimary = false;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->pointerId_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, temp.ref(), &mPointerId)) {
      return false;
    }
  } else {
    mPointerId = 0;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->pointerType_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mPointerType)) {
      return false;
    }
  } else {
    static const char16_t data[] = { 0 };
    mPointerType.Rebind(data, ArrayLength(data) - 1);
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->pressure_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<float, eDefault>(cx, temp.ref(), &mPressure)) {
      return false;
    } else if (!mozilla::IsFinite(mPressure)) {
      ThrowErrorMessage(cx, MSG_NOT_FINITE, "'pressure' member of PointerEventInit");
      return false;
    }
  } else {
    mPressure = 0.0F;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->tangentialPressure_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<float, eDefault>(cx, temp.ref(), &mTangentialPressure)) {
      return false;
    } else if (!mozilla::IsFinite(mTangentialPressure)) {
      ThrowErrorMessage(cx, MSG_NOT_FINITE, "'tangentialPressure' member of PointerEventInit");
      return false;
    }
  } else {
    mTangentialPressure = 0.0F;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->tiltX_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, temp.ref(), &mTiltX)) {
      return false;
    }
  } else {
    mTiltX = 0;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->tiltY_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, temp.ref(), &mTiltY)) {
      return false;
    }
  } else {
    mTiltY = 0;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->twist_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, temp.ref(), &mTwist)) {
      return false;
    }
  } else {
    mTwist = 0;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->width_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<int32_t, eDefault>(cx, temp.ref(), &mWidth)) {
      return false;
    }
  } else {
    mWidth = 1;
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
PointerEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  PointerEventInitAtoms* atomsCache = GetAtomCache<PointerEventInitAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  // Per spec, we define the parent's members first
  if (!MouseEventInit::ToObjectInternal(cx, rval)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    Sequence<OwningNonNull<mozilla::dom::PointerEvent>> const & currentValue = mCoalescedEvents;

    uint32_t length = currentValue.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 (!GetOrCreateDOMReflector(cx, currentValue[sequenceIdx0], &tmp)) {
            MOZ_ASSERT(JS_IsExceptionPending(cx));
            return false;
          }
          break;
        } while (false);
        if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                              JSPROP_ENUMERATE)) {
          return false;
        }
      }
    }
    temp.setObject(*returnArray);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->coalescedEvents_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    int32_t const & currentValue = mHeight;
    temp.setInt32(int32_t(currentValue));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->height_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    bool const & currentValue = mIsPrimary;
    temp.setBoolean(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->isPrimary_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    int32_t const & currentValue = mPointerId;
    temp.setInt32(int32_t(currentValue));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->pointerId_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    nsString const & currentValue = mPointerType;
    if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->pointerType_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    float const & currentValue = mPressure;
    temp.set(JS_NumberValue(double(currentValue)));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->pressure_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    float const & currentValue = mTangentialPressure;
    temp.set(JS_NumberValue(double(currentValue)));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->tangentialPressure_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    int32_t const & currentValue = mTiltX;
    temp.setInt32(int32_t(currentValue));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->tiltX_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    int32_t const & currentValue = mTiltY;
    temp.setInt32(int32_t(currentValue));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->tiltY_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    int32_t const & currentValue = mTwist;
    temp.setInt32(int32_t(currentValue));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->twist_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    int32_t const & currentValue = mWidth;
    temp.setInt32(int32_t(currentValue));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->width_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  return true;
}

void
PointerEventInit::TraceDictionary(JSTracer* trc)
{
  MouseEventInit::TraceDictionary(trc);
}



PointerEventInit&
PointerEventInit::operator=(const PointerEventInit& aOther)
{
  MouseEventInit::operator=(aOther);
  mCoalescedEvents = aOther.mCoalescedEvents;
  mHeight = aOther.mHeight;
  mIsPrimary = aOther.mIsPrimary;
  mPointerId = aOther.mPointerId;
  mPointerType = aOther.mPointerType;
  mPressure = aOther.mPressure;
  mTangentialPressure = aOther.mTangentialPressure;
  mTiltX = aOther.mTiltX;
  mTiltY = aOther.mTiltY;
  mTwist = aOther.mTwist;
  mWidth = aOther.mWidth;
  return *this;
}

namespace binding_detail {
} // namespace binding_detail


namespace PointerEvent_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_pointerId(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PointerEvent* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get PointerEvent.pointerId", DOM, cx);

  int32_t result(self->PointerId());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo pointerId_getterinfo = {
  { (JSJitGetterOp)get_pointerId },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

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

  int32_t result(self->Width());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo width_getterinfo = {
  { (JSJitGetterOp)get_width },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

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

  int32_t result(self->Height());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo height_getterinfo = {
  { (JSJitGetterOp)get_height },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

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

  float result(self->Pressure());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().set(JS_NumberValue(double(result)));
  return true;
}

static const JSJitInfo pressure_getterinfo = {
  { (JSJitGetterOp)get_pressure },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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 < 1, "There is no slot for us");

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

  float result(self->TangentialPressure());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().set(JS_NumberValue(double(result)));
  return true;
}

static const JSJitInfo tangentialPressure_getterinfo = {
  { (JSJitGetterOp)get_tangentialPressure },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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 < 1, "There is no slot for us");

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

  int32_t result(self->TiltX());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo tiltX_getterinfo = {
  { (JSJitGetterOp)get_tiltX },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

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

  int32_t result(self->TiltY());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo tiltY_getterinfo = {
  { (JSJitGetterOp)get_tiltY },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

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

  int32_t result(self->Twist());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo twist_getterinfo = {
  { (JSJitGetterOp)get_twist },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

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

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

static const JSJitInfo pointerType_getterinfo = {
  { (JSJitGetterOp)get_pointerType },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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 < 1, "There is no slot for us");

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

  bool result(self->IsPrimary());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo isPrimary_getterinfo = {
  { (JSJitGetterOp)get_isPrimary },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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 < 1, "There is no slot for us");

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

  nsTArray<StrongPtrForMember<mozilla::dom::PointerEvent>::Type> result;
  self->GetCoalescedEvents(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  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 (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
          MOZ_ASSERT(JS_IsExceptionPending(cx));
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo getCoalescedEvents_methodinfo = {
  { (JSJitGetterOp)getCoalescedEvents },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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 < 1, "There is no slot for us");

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

  bool result(self->IsTrusted());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo isTrusted_getterinfo = {
  { (JSJitGetterOp)get_isTrusted },
  { prototypes::id::PointerEvent },
  { PrototypeTraits<prototypes::id::PointerEvent>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "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::PointerEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PointerEvent>(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::PointerEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PointerEvent>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::PointerEvent>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::PointerEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PointerEvent>(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("getCoalescedEvents", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getCoalescedEvents_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


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)");

// 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[] = {
  { "pointerId", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &pointerId_getterinfo, nullptr, nullptr },
  { "width", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &width_getterinfo, nullptr, nullptr },
  { "height", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &height_getterinfo, nullptr, nullptr },
  { "pressure", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &pressure_getterinfo, nullptr, nullptr },
  { "tangentialPressure", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &tangentialPressure_getterinfo, nullptr, nullptr },
  { "tiltX", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &tiltX_getterinfo, nullptr, nullptr },
  { "tiltY", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &tiltY_getterinfo, nullptr, nullptr },
  { "twist", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &twist_getterinfo, nullptr, nullptr },
  { "pointerType", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &pointerType_getterinfo, nullptr, nullptr },
  { "isPrimary", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isPrimary_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


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(10 <= 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 sUnforgeableAttributes_specs[] = {
  { "isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


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)");


static uint16_t sNativeProperties_sortedPropertyIndices[12];
static PropertyInfo sNativeProperties_propertyInfos[12];

static const NativePropertiesN<3> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  true,  2 /* sUnforgeableAttributes */,
  false, 0,
  -1,
  12,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[1] },
    { sUnforgeableAttributes, &sNativeProperties_propertyInfos[11] }
  }
};
static_assert(12 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("PointerEvent 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, "PointerEvent");
  }

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

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "PointerEvent");
  }
  GlobalObject global(cx, obj);
  if (global.Failed()) {
    return false;
  }

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  binding_detail::FastPointerEventInit arg1;
  if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of PointerEvent.constructor", false)) {
    return false;
  }
  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::PointerEvent>(mozilla::dom::PointerEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), 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::PointerEvent,
  PrototypeTraits<prototypes::id::PointerEvent>::Depth,
  sNativePropertyHooks,
  "function PointerEvent() {\n    [native code]\n}",
  MouseEvent_Binding::GetConstructorObject
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "PointerEventPrototype",
    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,
  false,
  prototypes::id::PointerEvent,
  PrototypeTraits<prototypes::id::PointerEvent>::Depth,
  sNativePropertyHooks,
  "[object PointerEventPrototype]",
  MouseEvent_Binding::GetProtoObject
};

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  static bool sPrefValue;
  static bool sPrefCacheSetUp = false;
  if (!sPrefCacheSetUp) {
    sPrefCacheSetUp = true;
    Preferences::AddBoolVarCache(&sPrefValue, "dom.w3c_pointer_events.enabled");
  }

  return sPrefValue;
}

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 = {
  { "PointerEvent",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::Event, prototypes::id::UIEvent, prototypes::id::MouseEvent, prototypes::id::PointerEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::dom::PointerEvent >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::PointerEvent>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::PointerEvent>::Get()
};
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.");

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

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

  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::PointerEvent> 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::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
  if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
    aCache->ReleaseWrapper(aObject);
    aCache->ClearWrapper();
    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;
}

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), nullptr },
  prototypes::id::PointerEvent,
  constructors::id::PointerEvent,
  MouseEvent_Binding::sNativePropertyHooks,
  &DefaultXrayExpandoObjectClass
} };

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

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

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

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::PointerEvent);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::PointerEvent);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nullptr,
                              "PointerEvent", aDefineOnGlobal,
                              nullptr,
                              false);

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

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

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

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

} // namespace PointerEvent_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53