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

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

#include "AtomList.h"
#include "ImageBitmapBinding.h"
#include "WrapperFactory.h"
#include "jsapi.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Blob.h"
#include "mozilla/dom/CanvasRenderingContext2D.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/DOMPrefs.h"
#include "mozilla/dom/HTMLCanvasElement.h"
#include "mozilla/dom/HTMLImageElement.h"
#include "mozilla/dom/HTMLVideoElement.h"
#include "mozilla/dom/ImageBitmap.h"
#include "mozilla/dom/ImageData.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/UnionConversions.h"
#include "mozilla/dom/UnionTypes.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;


namespace ImageBitmapFormatValues {
extern const EnumEntry strings[14] = {
  {"RGBA32", 6},
  {"BGRA32", 6},
  {"RGB24", 5},
  {"BGR24", 5},
  {"GRAY8", 5},
  {"YUV444P", 7},
  {"YUV422P", 7},
  {"YUV420P", 7},
  {"YUV420SP_NV12", 13},
  {"YUV420SP_NV21", 13},
  {"HSV", 3},
  {"Lab", 3},
  {"DEPTH", 5},
  { nullptr, 0 }
};
} // namespace ImageBitmapFormatValues

bool
ToJSValue(JSContext* aCx, ImageBitmapFormat aArgument, JS::MutableHandle<JS::Value> aValue)
{
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(ImageBitmapFormatValues::strings));
  JSString* resultStr =
    JS_NewStringCopyN(aCx, ImageBitmapFormatValues::strings[uint32_t(aArgument)].value,
                      ImageBitmapFormatValues::strings[uint32_t(aArgument)].length);
  if (!resultStr) {
    return false;
  }
  aValue.setString(resultStr);
  return true;
}


namespace ChannelPixelLayoutDataTypeValues {
extern const EnumEntry strings[9] = {
  {"uint8", 5},
  {"int8", 4},
  {"uint16", 6},
  {"int16", 5},
  {"uint32", 6},
  {"int32", 5},
  {"float32", 7},
  {"float64", 7},
  { nullptr, 0 }
};
} // namespace ChannelPixelLayoutDataTypeValues

bool
ToJSValue(JSContext* aCx, ChannelPixelLayoutDataType aArgument, JS::MutableHandle<JS::Value> aValue)
{
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(ChannelPixelLayoutDataTypeValues::strings));
  JSString* resultStr =
    JS_NewStringCopyN(aCx, ChannelPixelLayoutDataTypeValues::strings[uint32_t(aArgument)].value,
                      ChannelPixelLayoutDataTypeValues::strings[uint32_t(aArgument)].length);
  if (!resultStr) {
    return false;
  }
  aValue.setString(resultStr);
  return true;
}


void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer& aUnion, const char* aName, uint32_t aFlags)
{
  if (aUnion.IsHTMLImageElement()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsHTMLImageElement(), "mHTMLImageElement", aFlags);
  } else if (aUnion.IsHTMLVideoElement()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsHTMLVideoElement(), "mHTMLVideoElement", aFlags);
  } else if (aUnion.IsHTMLCanvasElement()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsHTMLCanvasElement(), "mHTMLCanvasElement", aFlags);
  } else if (aUnion.IsBlob()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsBlob(), "mBlob", aFlags);
  } else if (aUnion.IsImageData()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsImageData(), "mImageData", aFlags);
  } else if (aUnion.IsCanvasRenderingContext2D()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsCanvasRenderingContext2D(), "mCanvasRenderingContext2D", aFlags);
  } else if (aUnion.IsImageBitmap()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsImageBitmap(), "mImageBitmap", aFlags);
  }
}


void
ImplCycleCollectionUnlink(OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer& aUnion)
{
  aUnion.Uninit();
}



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



bool
ChannelPixelLayout::InitIds(JSContext* cx, ChannelPixelLayoutAtoms* 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->stride_id.init(cx, "stride") ||
      !atomsCache->skip_id.init(cx, "skip") ||
      !atomsCache->offset_id.init(cx, "offset") ||
      !atomsCache->height_id.init(cx, "height") ||
      !atomsCache->dataType_id.init(cx, "dataType")) {
    return false;
  }
  return true;
}

bool
ChannelPixelLayout::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());
  ChannelPixelLayoutAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<ChannelPixelLayoutAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  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->dataType_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    {
      int index;
      if (!FindEnumStringIndex<true>(cx, temp.ref(), ChannelPixelLayoutDataTypeValues::strings, "ChannelPixelLayoutDataType", "'dataType' member of ChannelPixelLayout", &index)) {
        return false;
      }
      MOZ_ASSERT(index >= 0);
      mDataType = static_cast<ChannelPixelLayoutDataType>(index);
    }
    mIsAnyMemberPresent = true;
  } else if (cx) {
    // Don't error out if we have no cx.  In that
    // situation the caller is default-constructing us and we'll
    // just assume they know what they're doing.
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
                             "'dataType' member of ChannelPixelLayout");
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->height_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &mHeight)) {
      return false;
    }
    mIsAnyMemberPresent = true;
  } else if (cx) {
    // Don't error out if we have no cx.  In that
    // situation the caller is default-constructing us and we'll
    // just assume they know what they're doing.
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
                             "'height' member of ChannelPixelLayout");
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->offset_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &mOffset)) {
      return false;
    }
    mIsAnyMemberPresent = true;
  } else if (cx) {
    // Don't error out if we have no cx.  In that
    // situation the caller is default-constructing us and we'll
    // just assume they know what they're doing.
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
                             "'offset' member of ChannelPixelLayout");
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->skip_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &mSkip)) {
      return false;
    }
    mIsAnyMemberPresent = true;
  } else if (cx) {
    // Don't error out if we have no cx.  In that
    // situation the caller is default-constructing us and we'll
    // just assume they know what they're doing.
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
                             "'skip' member of ChannelPixelLayout");
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->stride_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &mStride)) {
      return false;
    }
    mIsAnyMemberPresent = true;
  } else if (cx) {
    // Don't error out if we have no cx.  In that
    // situation the caller is default-constructing us and we'll
    // just assume they know what they're doing.
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
                             "'stride' member of ChannelPixelLayout");
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->width_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &mWidth)) {
      return false;
    }
    mIsAnyMemberPresent = true;
  } else if (cx) {
    // Don't error out if we have no cx.  In that
    // situation the caller is default-constructing us and we'll
    // just assume they know what they're doing.
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
                             "'width' member of ChannelPixelLayout");
  }
  return true;
}

bool
ChannelPixelLayout::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

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

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    ChannelPixelLayoutDataType const & currentValue = mDataType;
    if (!ToJSValue(cx, currentValue, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->dataType_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);
    uint32_t const & currentValue = mHeight;
    temp.setNumber(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);
    uint32_t const & currentValue = mOffset;
    temp.setNumber(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->offset_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);
    uint32_t const & currentValue = mSkip;
    temp.setNumber(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->skip_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);
    uint32_t const & currentValue = mStride;
    temp.setNumber(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->stride_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);
    uint32_t const & currentValue = mWidth;
    temp.setNumber(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->width_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  return true;
}

bool
ChannelPixelLayout::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
ChannelPixelLayout::TraceDictionary(JSTracer* trc)
{
}

ChannelPixelLayout&
ChannelPixelLayout::operator=(const ChannelPixelLayout& aOther)
{
  DictionaryBase::operator=(aOther);
  mDataType = aOther.mDataType;
  mHeight = aOther.mHeight;
  mOffset = aOther.mOffset;
  mSkip = aOther.mSkip;
  mStride = aOther.mStride;
  mWidth = aOther.mWidth;
  return *this;
}

namespace binding_detail {
} // namespace binding_detail


bool
HTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eHTMLImageElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mHTMLImageElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eHTMLVideoElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mHTMLVideoElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eHTMLCanvasElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mHTMLCanvasElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eBlob: {
      if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eImageData: {
      if (!WrapNewBindingNonWrapperCachedObject(cx, scopeObj, mValue.mImageData.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eCanvasRenderingContext2D: {
      if (!GetOrCreateDOMReflector(cx, mValue.mCanvasRenderingContext2D.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eImageBitmap: {
      if (!GetOrCreateDOMReflector(cx, mValue.mImageBitmap.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eArrayBufferView: {
      rval.setObject(*mValue.mArrayBufferView.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    case eArrayBuffer: {
      rval.setObject(*mValue.mArrayBuffer.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}


OwningNonNull<mozilla::dom::HTMLImageElement>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsHTMLImageElement()
{
  if (mType == eHTMLImageElement) {
    return mValue.mHTMLImageElement.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eHTMLImageElement;
  return mValue.mHTMLImageElement.SetValue();
}

OwningNonNull<mozilla::dom::HTMLImageElement>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsHTMLImageElement()
{
  if (mType == eHTMLImageElement) {
    return mValue.mHTMLImageElement.Value();
  }
  Uninit();
  mType = eHTMLImageElement;
  return mValue.mHTMLImageElement.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToHTMLImageElement(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::HTMLImageElement>& memberSlot = RawSetAsHTMLImageElement();
    static_assert(IsRefcounted<mozilla::dom::HTMLImageElement>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::HTMLImageElement, mozilla::dom::HTMLImageElement>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyHTMLImageElement();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyHTMLImageElement()
{
  MOZ_ASSERT(IsHTMLImageElement(), "Wrong type!");
  mValue.mHTMLImageElement.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::HTMLVideoElement>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsHTMLVideoElement()
{
  if (mType == eHTMLVideoElement) {
    return mValue.mHTMLVideoElement.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eHTMLVideoElement;
  return mValue.mHTMLVideoElement.SetValue();
}

OwningNonNull<mozilla::dom::HTMLVideoElement>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsHTMLVideoElement()
{
  if (mType == eHTMLVideoElement) {
    return mValue.mHTMLVideoElement.Value();
  }
  Uninit();
  mType = eHTMLVideoElement;
  return mValue.mHTMLVideoElement.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToHTMLVideoElement(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::HTMLVideoElement>& memberSlot = RawSetAsHTMLVideoElement();
    static_assert(IsRefcounted<mozilla::dom::HTMLVideoElement>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::HTMLVideoElement, mozilla::dom::HTMLVideoElement>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyHTMLVideoElement();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyHTMLVideoElement()
{
  MOZ_ASSERT(IsHTMLVideoElement(), "Wrong type!");
  mValue.mHTMLVideoElement.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::HTMLCanvasElement>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsHTMLCanvasElement()
{
  if (mType == eHTMLCanvasElement) {
    return mValue.mHTMLCanvasElement.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eHTMLCanvasElement;
  return mValue.mHTMLCanvasElement.SetValue();
}

OwningNonNull<mozilla::dom::HTMLCanvasElement>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsHTMLCanvasElement()
{
  if (mType == eHTMLCanvasElement) {
    return mValue.mHTMLCanvasElement.Value();
  }
  Uninit();
  mType = eHTMLCanvasElement;
  return mValue.mHTMLCanvasElement.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToHTMLCanvasElement(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::HTMLCanvasElement>& memberSlot = RawSetAsHTMLCanvasElement();
    static_assert(IsRefcounted<mozilla::dom::HTMLCanvasElement>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::HTMLCanvasElement, mozilla::dom::HTMLCanvasElement>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyHTMLCanvasElement();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyHTMLCanvasElement()
{
  MOZ_ASSERT(IsHTMLCanvasElement(), "Wrong type!");
  mValue.mHTMLCanvasElement.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::Blob>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsBlob()
{
  if (mType == eBlob) {
    return mValue.mBlob.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eBlob;
  return mValue.mBlob.SetValue();
}

OwningNonNull<mozilla::dom::Blob>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsBlob()
{
  if (mType == eBlob) {
    return mValue.mBlob.Value();
  }
  Uninit();
  mType = eBlob;
  return mValue.mBlob.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToBlob(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::Blob>& memberSlot = RawSetAsBlob();
    static_assert(IsRefcounted<mozilla::dom::Blob>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyBlob();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyBlob()
{
  MOZ_ASSERT(IsBlob(), "Wrong type!");
  mValue.mBlob.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::ImageData>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsImageData()
{
  if (mType == eImageData) {
    return mValue.mImageData.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eImageData;
  return mValue.mImageData.SetValue();
}

OwningNonNull<mozilla::dom::ImageData>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsImageData()
{
  if (mType == eImageData) {
    return mValue.mImageData.Value();
  }
  Uninit();
  mType = eImageData;
  return mValue.mImageData.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToImageData(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::ImageData>& memberSlot = RawSetAsImageData();
    static_assert(IsRefcounted<mozilla::dom::ImageData>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::ImageData, mozilla::dom::ImageData>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyImageData();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyImageData()
{
  MOZ_ASSERT(IsImageData(), "Wrong type!");
  mValue.mImageData.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::CanvasRenderingContext2D>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsCanvasRenderingContext2D()
{
  if (mType == eCanvasRenderingContext2D) {
    return mValue.mCanvasRenderingContext2D.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eCanvasRenderingContext2D;
  return mValue.mCanvasRenderingContext2D.SetValue();
}

OwningNonNull<mozilla::dom::CanvasRenderingContext2D>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsCanvasRenderingContext2D()
{
  if (mType == eCanvasRenderingContext2D) {
    return mValue.mCanvasRenderingContext2D.Value();
  }
  Uninit();
  mType = eCanvasRenderingContext2D;
  return mValue.mCanvasRenderingContext2D.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToCanvasRenderingContext2D(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::CanvasRenderingContext2D>& memberSlot = RawSetAsCanvasRenderingContext2D();
    static_assert(IsRefcounted<mozilla::dom::CanvasRenderingContext2D>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::CanvasRenderingContext2D, mozilla::dom::CanvasRenderingContext2D>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyCanvasRenderingContext2D();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyCanvasRenderingContext2D()
{
  MOZ_ASSERT(IsCanvasRenderingContext2D(), "Wrong type!");
  mValue.mCanvasRenderingContext2D.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::ImageBitmap>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsImageBitmap()
{
  if (mType == eImageBitmap) {
    return mValue.mImageBitmap.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eImageBitmap;
  return mValue.mImageBitmap.SetValue();
}

OwningNonNull<mozilla::dom::ImageBitmap>&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsImageBitmap()
{
  if (mType == eImageBitmap) {
    return mValue.mImageBitmap.Value();
  }
  Uninit();
  mType = eImageBitmap;
  return mValue.mImageBitmap.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToImageBitmap(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::ImageBitmap>& memberSlot = RawSetAsImageBitmap();
    static_assert(IsRefcounted<mozilla::dom::ImageBitmap>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::ImageBitmap, mozilla::dom::ImageBitmap>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyImageBitmap();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyImageBitmap()
{
  MOZ_ASSERT(IsImageBitmap(), "Wrong type!");
  mValue.mImageBitmap.Destroy();
  mType = eUninitialized;
}




ArrayBufferView&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsArrayBufferView()
{
  if (mType == eArrayBufferView) {
    return mValue.mArrayBufferView.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eArrayBufferView;
  return mValue.mArrayBufferView.SetValue();
}

ArrayBufferView&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsArrayBufferView()
{
  if (mType == eArrayBufferView) {
    return mValue.mArrayBufferView.Value();
  }
  Uninit();
  mType = eArrayBufferView;
  return mValue.mArrayBufferView.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToArrayBufferView(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    ArrayBufferView& memberSlot = RawSetAsArrayBufferView();
    if (!memberSlot.Init(&value.toObject())) {
      DestroyArrayBufferView();
      tryNext = true;
      return true;
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyArrayBufferView()
{
  MOZ_ASSERT(IsArrayBufferView(), "Wrong type!");
  mValue.mArrayBufferView.Destroy();
  mType = eUninitialized;
}




ArrayBuffer&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::RawSetAsArrayBuffer()
{
  if (mType == eArrayBuffer) {
    return mValue.mArrayBuffer.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eArrayBuffer;
  return mValue.mArrayBuffer.SetValue();
}

ArrayBuffer&
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::SetAsArrayBuffer()
{
  if (mType == eArrayBuffer) {
    return mValue.mArrayBuffer.Value();
  }
  Uninit();
  mType = eArrayBuffer;
  return mValue.mArrayBuffer.SetValue();
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TrySetToArrayBuffer(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    ArrayBuffer& memberSlot = RawSetAsArrayBuffer();
    if (!memberSlot.Init(&value.toObject())) {
      DestroyArrayBuffer();
      tryNext = true;
      return true;
    }
  }
  return true;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::DestroyArrayBuffer()
{
  MOZ_ASSERT(IsArrayBuffer(), "Wrong type!");
  mValue.mArrayBuffer.Destroy();
  mType = eUninitialized;
}




void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::Uninit()
{
  switch (mType) {
    case eUninitialized: {
      break;
    }
    case eHTMLImageElement: {
      DestroyHTMLImageElement();
      break;
    }
    case eHTMLVideoElement: {
      DestroyHTMLVideoElement();
      break;
    }
    case eHTMLCanvasElement: {
      DestroyHTMLCanvasElement();
      break;
    }
    case eBlob: {
      DestroyBlob();
      break;
    }
    case eImageData: {
      DestroyImageData();
      break;
    }
    case eCanvasRenderingContext2D: {
      DestroyCanvasRenderingContext2D();
      break;
    }
    case eImageBitmap: {
      DestroyImageBitmap();
      break;
    }
    case eArrayBufferView: {
      DestroyArrayBufferView();
      break;
    }
    case eArrayBuffer: {
      DestroyArrayBuffer();
      break;
    }
  }
}

bool
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eHTMLImageElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mHTMLImageElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eHTMLVideoElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mHTMLVideoElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eHTMLCanvasElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mHTMLCanvasElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eBlob: {
      if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eImageData: {
      if (!WrapNewBindingNonWrapperCachedObject(cx, scopeObj, mValue.mImageData.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eCanvasRenderingContext2D: {
      if (!GetOrCreateDOMReflector(cx, mValue.mCanvasRenderingContext2D.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eImageBitmap: {
      if (!GetOrCreateDOMReflector(cx, mValue.mImageBitmap.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eArrayBufferView: {
      rval.setObject(*mValue.mArrayBufferView.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    case eArrayBuffer: {
      rval.setObject(*mValue.mArrayBuffer.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}

void
OwningHTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrCanvasRenderingContext2DOrImageBitmapOrArrayBufferViewOrArrayBuffer::TraceUnion(JSTracer* trc)
{
  switch (mType) {
    case eArrayBufferView: {
      mValue.mArrayBufferView.Value().TraceSelf(trc);
      break;
    }
    case eArrayBuffer: {
      mValue.mArrayBuffer.Value().TraceSelf(trc);
      break;
    }
    default: {
      break;
    }
  }
}


namespace ImageBitmap_Binding {

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

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

static const JSJitInfo width_getterinfo = {
  { (JSJitGetterOp)get_width },
  { prototypes::id::ImageBitmap },
  { PrototypeTraits<prototypes::id::ImageBitmap>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasNone, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_DOUBLE,  /* 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");

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

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

static const JSJitInfo height_getterinfo = {
  { (JSJitGetterOp)get_height },
  { prototypes::id::ImageBitmap },
  { PrototypeTraits<prototypes::id::ImageBitmap>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasNone, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_DOUBLE,  /* 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");

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

  self->Close();
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo close_methodinfo = {
  { (JSJitGetterOp)close },
  { prototypes::id::ImageBitmap },
  { PrototypeTraits<prototypes::id::ImageBitmap>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* 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
findOptimalFormat(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageBitmap* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("ImageBitmap.findOptimalFormat", DOM, cx);

  Optional<Sequence<ImageBitmapFormat>> arg0;
  if (args.hasDefined(0)) {
    arg0.Construct();
    if (args[0].isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of ImageBitmap.findOptimalFormat");
        return false;
      }
      Sequence<ImageBitmapFormat> &arr = arg0.Value();
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        ImageBitmapFormat* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        ImageBitmapFormat& slot = *slotPtr;
        {
          int index;
          if (!FindEnumStringIndex<true>(cx, temp, ImageBitmapFormatValues::strings, "ImageBitmapFormat", "Element of argument 1 of ImageBitmap.findOptimalFormat", &index)) {
            return false;
          }
          MOZ_ASSERT(index >= 0);
          slot = static_cast<ImageBitmapFormat>(index);
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of ImageBitmap.findOptimalFormat");
      return false;
    }
  }
  FastErrorResult rv;
  ImageBitmapFormat result(self->FindOptimalFormat(Constify(arg0), rv));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

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

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

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ImageBitmap.mappedDataLength");
  }
  ImageBitmapFormat arg0;
  {
    int index;
    if (!FindEnumStringIndex<true>(cx, args[0], ImageBitmapFormatValues::strings, "ImageBitmapFormat", "Argument 1 of ImageBitmap.mappedDataLength", &index)) {
      return false;
    }
    MOZ_ASSERT(index >= 0);
    arg0 = static_cast<ImageBitmapFormat>(index);
  }
  FastErrorResult rv;
  int32_t result(self->MappedDataLength(arg0, rv));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setInt32(int32_t(result));
  return true;
}

static const JSJitInfo mappedDataLength_methodinfo = {
  { (JSJitGetterOp)mappedDataLength },
  { prototypes::id::ImageBitmap },
  { PrototypeTraits<prototypes::id::ImageBitmap>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_INT32,  /* 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
mapDataInto(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageBitmap* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("ImageBitmap.mapDataInto", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 3)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ImageBitmap.mapDataInto");
  }
  ImageBitmapFormat arg0;
  {
    int index;
    if (!FindEnumStringIndex<true>(cx, args[0], ImageBitmapFormatValues::strings, "ImageBitmapFormat", "Argument 1 of ImageBitmap.mapDataInto", &index)) {
      return false;
    }
    MOZ_ASSERT(index >= 0);
    arg0 = static_cast<ImageBitmapFormat>(index);
  }
  ArrayBufferViewOrArrayBuffer arg1;
  ArrayBufferViewOrArrayBufferArgument arg1_holder(arg1);
  {
    bool done = false, failed = false, tryNext;
    if (args[1].isObject()) {
      done = (failed = !arg1_holder.TrySetToArrayBufferView(cx, args[1], tryNext, false)) || !tryNext ||
             (failed = !arg1_holder.TrySetToArrayBuffer(cx, args[1], tryNext, false)) || !tryNext;

    }
    if (failed) {
      return false;
    }
    if (!done) {
      ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 2 of ImageBitmap.mapDataInto", "ArrayBufferView, ArrayBuffer");
      return false;
    }
  }
  int32_t arg2;
  if (!ValueToPrimitive<int32_t, eDefault>(cx, args[2], &arg2)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<Promise>(self->MapDataInto(cx, arg0, Constify(arg1), arg2, 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
mapDataInto_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageBitmap* self, const JSJitMethodCallArgs& args)
{
  bool ok = mapDataInto(cx, obj, self, args);
  if (ok) {
    return true;
  }
  return ConvertExceptionToPromise(cx, args.rval());
}

static const JSJitInfo mapDataInto_methodinfo = {
  { (JSJitGetterOp)mapDataInto_promiseWrapper },
  { prototypes::id::ImageBitmap },
  { PrototypeTraits<prototypes::id::ImageBitmap>::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");

static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
  mozilla::dom::ImageBitmap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageBitmap>(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::ImageBitmap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageBitmap>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::ImageBitmap>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::ImageBitmap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageBitmap>(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("close", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&close_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("findOptimalFormat", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&findOptimalFormat_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("mappedDataLength", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&mappedDataLength_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("mapDataInto", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&mapDataInto_methodinfo), 3, 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_disablers2 = {
  true, false, 0, &mozilla::dom::DOMPrefs::canvas_imagebitmap_extensions_enabled
};

static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { &sMethods_disablers2, &sMethods_specs[2] },
  { nullptr, nullptr }
};

static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(3 <= 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[] = {
  { "width", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &width_getterinfo, nullptr, nullptr },
  { "height", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &height_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(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");


static uint16_t sNativeProperties_sortedPropertyIndices[6];
static PropertyInfo sNativeProperties_propertyInfos[6];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  6,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[4] }
  }
};
static_assert(6 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

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

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "ImageBitmapPrototype",
    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::ImageBitmap,
  PrototypeTraits<prototypes::id::ImageBitmap>::Depth,
  sNativePropertyHooks,
  "[object ImageBitmapPrototype]",
  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 = {
  { "ImageBitmap",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::ImageBitmap, 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::ImageBitmap >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::ImageBitmap>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::ImageBitmap>::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::ImageBitmap* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::ImageBitmap>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::ImageBitmap*>(aObject) ==
             reinterpret_cast<mozilla::dom::ImageBitmap*>(aObject),
             "Multiple inheritance for mozilla::dom::ImageBitmap 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::ImageBitmap> 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;
}

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

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;
    }
    sIdsInited = true;
  }

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

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

} // namespace ImageBitmap_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53