Copy as Markdown
Other Tools
/* THIS FILE IS AUTOGENERATED FROM OffscreenCanvas.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "ClientWebGLContext.h"
#include "EventHandlerBinding.h"
#include "EventTargetBinding.h"
#include "MainThreadUtils.h"
#include "OffscreenCanvasBinding.h"
#include "WrapperFactory.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/experimental/JitInfo.h"
#include "jsapi.h"
#include "mozilla/Atomics.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/StaticPrefs_gfx.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/ImageBitmap.h"
#include "mozilla/dom/ImageBitmapRenderingContext.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/OffscreenCanvas.h"
#include "mozilla/dom/OffscreenCanvasRenderingContext2D.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "mozilla/webgpu/CanvasContext.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 binding_detail {
const nsLiteralCString EnumStrings<OffscreenRenderingContextId>::Values[5] = {
"2d"_ns,
"bitmaprenderer"_ns,
"webgl"_ns,
"webgl2"_ns,
"webgpu"_ns,
};
} // namespace binding_detail
bool
ToJSValue(JSContext* aCx, OffscreenRenderingContextId aArgument, JS::MutableHandle<JS::Value> aValue)
{
MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(binding_detail::EnumStrings<OffscreenRenderingContextId>::Values));
JSString* resultStr =
JS_NewStringCopyN(aCx, binding_detail::EnumStrings<OffscreenRenderingContextId>::Values[uint32_t(aArgument)].BeginReading(),
binding_detail::EnumStrings<OffscreenRenderingContextId>::Values[uint32_t(aArgument)].Length());
if (!resultStr) {
return false;
}
aValue.setString(resultStr);
return true;
}
void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext& aUnion, const char* aName, uint32_t aFlags)
{
if (aUnion.IsOffscreenCanvasRenderingContext2D()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsOffscreenCanvasRenderingContext2D(), "mOffscreenCanvasRenderingContext2D", aFlags);
} else if (aUnion.IsImageBitmapRenderingContext()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsImageBitmapRenderingContext(), "mImageBitmapRenderingContext", aFlags);
} else if (aUnion.IsWebGLRenderingContext()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsWebGLRenderingContext(), "mWebGLRenderingContext", aFlags);
} else if (aUnion.IsWebGL2RenderingContext()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsWebGL2RenderingContext(), "mWebGL2RenderingContext", aFlags);
} else if (aUnion.IsGPUCanvasContext()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsGPUCanvasContext(), "mGPUCanvasContext", aFlags);
}
}
void
ImplCycleCollectionUnlink(OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext& aUnion)
{
aUnion.Uninit();
}
ImageEncodeOptions::ImageEncodeOptions()
{
// Safe to pass a null context if we pass a null value
Init(nullptr, JS::NullHandleValue);
}
bool
ImageEncodeOptions::InitIds(JSContext* cx, ImageEncodeOptionsAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->type_id.init(cx, "type") ||
!atomsCache->quality_id.init(cx, "quality")) {
return false;
}
return true;
}
bool
ImageEncodeOptions::Init(BindingCallContext& 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());
ImageEncodeOptionsAtoms* atomsCache = nullptr;
if (cx) {
atomsCache = GetAtomCache<ImageEncodeOptionsAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
}
if (!IsConvertibleToDictionary(val)) {
return cx.ThrowErrorMessage<MSG_CONVERSION_ERROR>(sourceDescription, "dictionary");
}
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->quality_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mQuality.Construct();
if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), "'quality' member of ImageEncodeOptions", &(mQuality.Value()))) {
return false;
}
mIsAnyMemberPresent = true;
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->type_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mType)) {
return false;
}
} else {
mType.AssignLiteral(u"image/png");
}
mIsAnyMemberPresent = true;
return true;
}
bool
ImageEncodeOptions::Init(JSContext* cx_, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
// We don't want to use sourceDescription for our context here;
// that's not really what it's formatted for.
BindingCallContext cx(cx_, nullptr);
return Init(cx, val, sourceDescription, passedToJSImpl);
}
void
ImageEncodeOptions::TraceDictionary(JSTracer* trc)
{
}
ImageEncodeOptions&
ImageEncodeOptions::operator=(const ImageEncodeOptions& aOther)
{
DictionaryBase::operator=(aOther);
mQuality.Reset();
if (aOther.mQuality.WasPassed()) {
mQuality.Construct(aOther.mQuality.Value());
}
mType = aOther.mType;
return *this;
}
bool
ImageEncodeOptions::operator==(const ImageEncodeOptions& aOther) const
{
if (mQuality != aOther.mQuality) {
return false;
}
if (mType != aOther.mType) {
return false;
}
return true;
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToOffscreenCanvasRenderingContext2D(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
NonNull<mozilla::dom::OffscreenCanvasRenderingContext2D>& memberSlot = RawSetAsOffscreenCanvasRenderingContext2D();
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::OffscreenCanvasRenderingContext2D, mozilla::dom::OffscreenCanvasRenderingContext2D>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyOffscreenCanvasRenderingContext2D();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToOffscreenCanvasRenderingContext2D(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToOffscreenCanvasRenderingContext2D(cx, value, tryNext, passedToJSImpl);
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToImageBitmapRenderingContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
NonNull<mozilla::dom::ImageBitmapRenderingContext>& memberSlot = RawSetAsImageBitmapRenderingContext();
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::ImageBitmapRenderingContext, mozilla::dom::ImageBitmapRenderingContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyImageBitmapRenderingContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToImageBitmapRenderingContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToImageBitmapRenderingContext(cx, value, tryNext, passedToJSImpl);
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGLRenderingContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
NonNull<mozilla::ClientWebGLContext>& memberSlot = RawSetAsWebGLRenderingContext();
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::WebGLRenderingContext, mozilla::ClientWebGLContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyWebGLRenderingContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGLRenderingContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToWebGLRenderingContext(cx, value, tryNext, passedToJSImpl);
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGL2RenderingContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
NonNull<mozilla::ClientWebGLContext>& memberSlot = RawSetAsWebGL2RenderingContext();
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::WebGL2RenderingContext, mozilla::ClientWebGLContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyWebGL2RenderingContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGL2RenderingContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToWebGL2RenderingContext(cx, value, tryNext, passedToJSImpl);
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToGPUCanvasContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
NonNull<mozilla::webgpu::CanvasContext>& memberSlot = RawSetAsGPUCanvasContext();
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::GPUCanvasContext, mozilla::webgpu::CanvasContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyGPUCanvasContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToGPUCanvasContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToGPUCanvasContext(cx, value, tryNext, passedToJSImpl);
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::Init(BindingCallContext& cx, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
MOZ_ASSERT(mType == eUninitialized);
bool done = false, failed = false, tryNext;
if (value.isObject()) {
done = (failed = !TrySetToOffscreenCanvasRenderingContext2D(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToImageBitmapRenderingContext(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToWebGLRenderingContext(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToWebGL2RenderingContext(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToGPUCanvasContext(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (failed) {
return false;
}
if (!done) {
cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "OffscreenCanvasRenderingContext2D, ImageBitmapRenderingContext, WebGLRenderingContext, WebGL2RenderingContext, GPUCanvasContext");
return false;
}
return true;
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return Init(cx, value, sourceDescription, passedToJSImpl);
}
bool
OffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
switch (mType) {
case eUninitialized: {
return false;
}
case eOffscreenCanvasRenderingContext2D: {
if (!GetOrCreateDOMReflector(cx, mValue.mOffscreenCanvasRenderingContext2D.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eImageBitmapRenderingContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mImageBitmapRenderingContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eWebGLRenderingContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mWebGLRenderingContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eWebGL2RenderingContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mWebGL2RenderingContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eGPUCanvasContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mGPUCanvasContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
default: {
return false;
}
}
}
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext(OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext&& aOther)
: mType(eUninitialized)
{
switch (aOther.mType) {
case eUninitialized: {
MOZ_ASSERT(mType == eUninitialized,
"We need to destroy ourselves?");
break;
}
case eOffscreenCanvasRenderingContext2D: {
mType = eOffscreenCanvasRenderingContext2D;
mValue.mOffscreenCanvasRenderingContext2D.SetValue(std::move(aOther.mValue.mOffscreenCanvasRenderingContext2D.Value()));
break;
}
case eImageBitmapRenderingContext: {
mType = eImageBitmapRenderingContext;
mValue.mImageBitmapRenderingContext.SetValue(std::move(aOther.mValue.mImageBitmapRenderingContext.Value()));
break;
}
case eWebGLRenderingContext: {
mType = eWebGLRenderingContext;
mValue.mWebGLRenderingContext.SetValue(std::move(aOther.mValue.mWebGLRenderingContext.Value()));
break;
}
case eWebGL2RenderingContext: {
mType = eWebGL2RenderingContext;
mValue.mWebGL2RenderingContext.SetValue(std::move(aOther.mValue.mWebGL2RenderingContext.Value()));
break;
}
case eGPUCanvasContext: {
mType = eGPUCanvasContext;
mValue.mGPUCanvasContext.SetValue(std::move(aOther.mValue.mGPUCanvasContext.Value()));
break;
}
}
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToOffscreenCanvasRenderingContext2D(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
OwningNonNull<mozilla::dom::OffscreenCanvasRenderingContext2D>& memberSlot = RawSetAsOffscreenCanvasRenderingContext2D();
static_assert(IsRefcounted<mozilla::dom::OffscreenCanvasRenderingContext2D>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::OffscreenCanvasRenderingContext2D, mozilla::dom::OffscreenCanvasRenderingContext2D>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyOffscreenCanvasRenderingContext2D();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToOffscreenCanvasRenderingContext2D(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToOffscreenCanvasRenderingContext2D(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] OwningNonNull<mozilla::dom::OffscreenCanvasRenderingContext2D>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::RawSetAsOffscreenCanvasRenderingContext2D()
{
if (mType == eOffscreenCanvasRenderingContext2D) {
return mValue.mOffscreenCanvasRenderingContext2D.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eOffscreenCanvasRenderingContext2D;
return mValue.mOffscreenCanvasRenderingContext2D.SetValue();
}
[[nodiscard]] OwningNonNull<mozilla::dom::OffscreenCanvasRenderingContext2D>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::SetAsOffscreenCanvasRenderingContext2D()
{
if (mType == eOffscreenCanvasRenderingContext2D) {
return mValue.mOffscreenCanvasRenderingContext2D.Value();
}
Uninit();
mType = eOffscreenCanvasRenderingContext2D;
return mValue.mOffscreenCanvasRenderingContext2D.SetValue();
}
void
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::DestroyOffscreenCanvasRenderingContext2D()
{
MOZ_RELEASE_ASSERT(IsOffscreenCanvasRenderingContext2D(), "Wrong type!");
mValue.mOffscreenCanvasRenderingContext2D.Destroy();
mType = eUninitialized;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToImageBitmapRenderingContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
OwningNonNull<mozilla::dom::ImageBitmapRenderingContext>& memberSlot = RawSetAsImageBitmapRenderingContext();
static_assert(IsRefcounted<mozilla::dom::ImageBitmapRenderingContext>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::ImageBitmapRenderingContext, mozilla::dom::ImageBitmapRenderingContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyImageBitmapRenderingContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToImageBitmapRenderingContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToImageBitmapRenderingContext(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] OwningNonNull<mozilla::dom::ImageBitmapRenderingContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::RawSetAsImageBitmapRenderingContext()
{
if (mType == eImageBitmapRenderingContext) {
return mValue.mImageBitmapRenderingContext.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eImageBitmapRenderingContext;
return mValue.mImageBitmapRenderingContext.SetValue();
}
[[nodiscard]] OwningNonNull<mozilla::dom::ImageBitmapRenderingContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::SetAsImageBitmapRenderingContext()
{
if (mType == eImageBitmapRenderingContext) {
return mValue.mImageBitmapRenderingContext.Value();
}
Uninit();
mType = eImageBitmapRenderingContext;
return mValue.mImageBitmapRenderingContext.SetValue();
}
void
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::DestroyImageBitmapRenderingContext()
{
MOZ_RELEASE_ASSERT(IsImageBitmapRenderingContext(), "Wrong type!");
mValue.mImageBitmapRenderingContext.Destroy();
mType = eUninitialized;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGLRenderingContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
OwningNonNull<mozilla::ClientWebGLContext>& memberSlot = RawSetAsWebGLRenderingContext();
static_assert(IsRefcounted<mozilla::ClientWebGLContext>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::WebGLRenderingContext, mozilla::ClientWebGLContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyWebGLRenderingContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGLRenderingContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToWebGLRenderingContext(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] OwningNonNull<mozilla::ClientWebGLContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::RawSetAsWebGLRenderingContext()
{
if (mType == eWebGLRenderingContext) {
return mValue.mWebGLRenderingContext.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eWebGLRenderingContext;
return mValue.mWebGLRenderingContext.SetValue();
}
[[nodiscard]] OwningNonNull<mozilla::ClientWebGLContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::SetAsWebGLRenderingContext()
{
if (mType == eWebGLRenderingContext) {
return mValue.mWebGLRenderingContext.Value();
}
Uninit();
mType = eWebGLRenderingContext;
return mValue.mWebGLRenderingContext.SetValue();
}
void
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::DestroyWebGLRenderingContext()
{
MOZ_RELEASE_ASSERT(IsWebGLRenderingContext(), "Wrong type!");
mValue.mWebGLRenderingContext.Destroy();
mType = eUninitialized;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGL2RenderingContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
OwningNonNull<mozilla::ClientWebGLContext>& memberSlot = RawSetAsWebGL2RenderingContext();
static_assert(IsRefcounted<mozilla::ClientWebGLContext>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::WebGL2RenderingContext, mozilla::ClientWebGLContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyWebGL2RenderingContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToWebGL2RenderingContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToWebGL2RenderingContext(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] OwningNonNull<mozilla::ClientWebGLContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::RawSetAsWebGL2RenderingContext()
{
if (mType == eWebGL2RenderingContext) {
return mValue.mWebGL2RenderingContext.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eWebGL2RenderingContext;
return mValue.mWebGL2RenderingContext.SetValue();
}
[[nodiscard]] OwningNonNull<mozilla::ClientWebGLContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::SetAsWebGL2RenderingContext()
{
if (mType == eWebGL2RenderingContext) {
return mValue.mWebGL2RenderingContext.Value();
}
Uninit();
mType = eWebGL2RenderingContext;
return mValue.mWebGL2RenderingContext.SetValue();
}
void
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::DestroyWebGL2RenderingContext()
{
MOZ_RELEASE_ASSERT(IsWebGL2RenderingContext(), "Wrong type!");
mValue.mWebGL2RenderingContext.Destroy();
mType = eUninitialized;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToGPUCanvasContext(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
OwningNonNull<mozilla::webgpu::CanvasContext>& memberSlot = RawSetAsGPUCanvasContext();
static_assert(IsRefcounted<mozilla::webgpu::CanvasContext>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::GPUCanvasContext, mozilla::webgpu::CanvasContext>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyGPUCanvasContext();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::TrySetToGPUCanvasContext(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToGPUCanvasContext(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] OwningNonNull<mozilla::webgpu::CanvasContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::RawSetAsGPUCanvasContext()
{
if (mType == eGPUCanvasContext) {
return mValue.mGPUCanvasContext.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eGPUCanvasContext;
return mValue.mGPUCanvasContext.SetValue();
}
[[nodiscard]] OwningNonNull<mozilla::webgpu::CanvasContext>&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::SetAsGPUCanvasContext()
{
if (mType == eGPUCanvasContext) {
return mValue.mGPUCanvasContext.Value();
}
Uninit();
mType = eGPUCanvasContext;
return mValue.mGPUCanvasContext.SetValue();
}
void
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::DestroyGPUCanvasContext()
{
MOZ_RELEASE_ASSERT(IsGPUCanvasContext(), "Wrong type!");
mValue.mGPUCanvasContext.Destroy();
mType = eUninitialized;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::Init(BindingCallContext& cx, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
MOZ_ASSERT(mType == eUninitialized);
bool done = false, failed = false, tryNext;
if (value.isObject()) {
done = (failed = !TrySetToOffscreenCanvasRenderingContext2D(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToImageBitmapRenderingContext(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToWebGLRenderingContext(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToWebGL2RenderingContext(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToGPUCanvasContext(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (failed) {
return false;
}
if (!done) {
cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "OffscreenCanvasRenderingContext2D, ImageBitmapRenderingContext, WebGLRenderingContext, WebGL2RenderingContext, GPUCanvasContext");
return false;
}
return true;
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return Init(cx, value, sourceDescription, passedToJSImpl);
}
void
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::Uninit()
{
switch (mType) {
case eUninitialized: {
break;
}
case eOffscreenCanvasRenderingContext2D: {
DestroyOffscreenCanvasRenderingContext2D();
break;
}
case eImageBitmapRenderingContext: {
DestroyImageBitmapRenderingContext();
break;
}
case eWebGLRenderingContext: {
DestroyWebGLRenderingContext();
break;
}
case eWebGL2RenderingContext: {
DestroyWebGL2RenderingContext();
break;
}
case eGPUCanvasContext: {
DestroyGPUCanvasContext();
break;
}
}
}
bool
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
switch (mType) {
case eUninitialized: {
return false;
}
case eOffscreenCanvasRenderingContext2D: {
if (!GetOrCreateDOMReflector(cx, mValue.mOffscreenCanvasRenderingContext2D.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eImageBitmapRenderingContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mImageBitmapRenderingContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eWebGLRenderingContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mWebGLRenderingContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eWebGL2RenderingContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mWebGL2RenderingContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eGPUCanvasContext: {
if (!GetOrCreateDOMReflector(cx, mValue.mGPUCanvasContext.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
default: {
return false;
}
}
}
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::operator=(OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext&& aOther)
{
this->~OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext();
new (this) OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext (std::move(aOther));
return *this;
}
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext&
OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext::operator=(const OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext& aOther)
{
switch (aOther.mType) {
case eUninitialized: {
MOZ_ASSERT(mType == eUninitialized,
"We need to destroy ourselves?");
break;
}
case eOffscreenCanvasRenderingContext2D: {
SetAsOffscreenCanvasRenderingContext2D() = aOther.GetAsOffscreenCanvasRenderingContext2D();
break;
}
case eImageBitmapRenderingContext: {
SetAsImageBitmapRenderingContext() = aOther.GetAsImageBitmapRenderingContext();
break;
}
case eWebGLRenderingContext: {
SetAsWebGLRenderingContext() = aOther.GetAsWebGLRenderingContext();
break;
}
case eWebGL2RenderingContext: {
SetAsWebGL2RenderingContext() = aOther.GetAsWebGL2RenderingContext();
break;
}
case eGPUCanvasContext: {
SetAsGPUCanvasContext() = aOther.GetAsGPUCanvasContext();
break;
}
}
return *this;
}
namespace OffscreenCanvas_Binding {
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventTarget_Binding::NativeType>::value,
"Can't inherit from an interface with a different ownership model.");
MOZ_CAN_RUN_SCRIPT static bool
get_width(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "width", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
uint32_t result(MOZ_KnownLive(self)->Width());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setNumber(result);
return true;
}
MOZ_CAN_RUN_SCRIPT static bool
set_width(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
BindingCallContext cx(cx_, "OffscreenCanvas.width setter");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "width", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
uint32_t arg0;
if (!ValueToPrimitive<uint32_t, eEnforceRange>(cx, args[0], "Value being assigned", &arg0)) {
return false;
}
FastErrorResult rv;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetWidth(arg0, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->SetWidth(arg0, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "OffscreenCanvas.width setter"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo width_getterinfo = {
{ get_width },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasDOMSets, /* 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 const JSJitInfo width_setterinfo = {
{ (JSJitGetterOp)set_width },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_height(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "height", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
uint32_t result(MOZ_KnownLive(self)->Height());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setNumber(result);
return true;
}
MOZ_CAN_RUN_SCRIPT static bool
set_height(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
BindingCallContext cx(cx_, "OffscreenCanvas.height setter");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "height", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
uint32_t arg0;
if (!ValueToPrimitive<uint32_t, eEnforceRange>(cx, args[0], "Value being assigned", &arg0)) {
return false;
}
FastErrorResult rv;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetHeight(arg0, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->SetHeight(arg0, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "OffscreenCanvas.height setter"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo height_getterinfo = {
{ get_height },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasDOMSets, /* 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 const JSJitInfo height_setterinfo = {
{ (JSJitGetterOp)set_height },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
getContext(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "OffscreenCanvas.getContext");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "getContext", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
if (!args.requireAtLeast(cx, "OffscreenCanvas.getContext", 1)) {
return false;
}
OffscreenRenderingContextId arg0;
{
int index;
if (!binding_detail::FindEnumStringIndex<true>(cx, args[0],
binding_detail::EnumStrings<OffscreenRenderingContextId>::Values,
"OffscreenRenderingContextId", "argument 1",
&index)) {
return false;
}
MOZ_ASSERT(index >= 0);
arg0 = static_cast<OffscreenRenderingContextId>(index);
}
JS::Rooted<JS::Value> arg1(cx);
if (args.hasDefined(1)) {
arg1 = args[1];
} else {
arg1 = JS::NullValue();
}
FastErrorResult rv;
Nullable<OwningOffscreenCanvasRenderingContext2DOrImageBitmapRenderingContextOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext> result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->GetContext(cx, arg0, arg1, result, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->GetContext(cx, arg0, arg1, result, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "OffscreenCanvas.getContext"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (result.IsNull()) {
args.rval().setNull();
return true;
}
if (!result.Value().ToJSVal(cx, obj, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo getContext_methodinfo = {
{ (JSJitGetterOp)getContext },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
transferToImageBitmap(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "transferToImageBitmap", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
FastErrorResult rv;
auto result(StrongOrRawPtr<mozilla::dom::ImageBitmap>(MOZ_KnownLive(self)->TransferToImageBitmap(rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "OffscreenCanvas.transferToImageBitmap"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const JSJitInfo transferToImageBitmap_methodinfo = {
{ (JSJitGetterOp)transferToImageBitmap },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::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. */
};
MOZ_CAN_RUN_SCRIPT static bool
convertToBlob(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "OffscreenCanvas.convertToBlob");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "convertToBlob", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
binding_detail::FastImageEncodeOptions arg0;
if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue, "Argument 1", false)) {
return false;
}
FastErrorResult rv;
auto result(StrongOrRawPtr<Promise>(MOZ_KnownLive(self)->ConvertToBlob(Constify(arg0), rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "OffscreenCanvas.convertToBlob"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!ToJSValue(cx, result, args.rval())) {
return false;
}
return true;
}
MOZ_CAN_RUN_SCRIPT static bool
convertToBlob_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
bool ok = convertToBlob(cx, obj, void_self, args);
if (ok) {
return true;
}
return ConvertExceptionToPromise(cx, args.rval());
}
static const JSJitInfo convertToBlob_methodinfo = {
{ (JSJitGetterOp)convertToBlob_promiseWrapper },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::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. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_oncontextlost(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "oncontextlost", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
RefPtr<EventHandlerNonNull> result(MOZ_KnownLive(self)->GetOncontextlost());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (result) {
args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result));
if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
return false;
}
return true;
} else {
args.rval().setNull();
return true;
}
}
MOZ_CAN_RUN_SCRIPT static bool
set_oncontextlost(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "oncontextlost", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
if (args[0].isObject()) {
{ // scope for tempRoot and tempGlobalRoot if needed
arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
}
} else {
arg0 = nullptr;
}
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetOncontextlost(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here");
MOZ_KnownLive(self)->SetOncontextlost(MOZ_KnownLive(Constify(arg0)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo oncontextlost_getterinfo = {
{ get_oncontextlost },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static const JSJitInfo oncontextlost_setterinfo = {
{ (JSJitGetterOp)set_oncontextlost },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_oncontextrestored(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "oncontextrestored", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
RefPtr<EventHandlerNonNull> result(MOZ_KnownLive(self)->GetOncontextrestored());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (result) {
args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result));
if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
return false;
}
return true;
} else {
args.rval().setNull();
return true;
}
}
MOZ_CAN_RUN_SCRIPT static bool
set_oncontextrestored(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "oncontextrestored", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
if (args[0].isObject()) {
{ // scope for tempRoot and tempGlobalRoot if needed
arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
}
} else {
arg0 = nullptr;
}
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetOncontextrestored(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here");
MOZ_KnownLive(self)->SetOncontextrestored(MOZ_KnownLive(Constify(arg0)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo oncontextrestored_getterinfo = {
{ get_oncontextrestored },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static const JSJitInfo oncontextrestored_setterinfo = {
{ (JSJitGetterOp)set_oncontextrestored },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
toBlob(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "toBlob", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::OffscreenCanvas*>(void_self);
DeprecationWarning(cx, obj, DeprecatedOperations::eOffscreenCanvasToBlob);
binding_detail::FakeString<char16_t> arg0;
if (args.hasDefined(0)) {
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
} else {
arg0.AssignLiteral(u"");
}
JS::Rooted<JS::Value> arg1(cx);
if (args.hasDefined(1)) {
arg1 = args[1];
} else {
arg1 = JS::UndefinedValue();
}
FastErrorResult rv;
auto result(StrongOrRawPtr<Promise>(MOZ_KnownLive(self)->ToBlob(cx, NonNullHelper(Constify(arg0)), arg1, rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "OffscreenCanvas.toBlob"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!ToJSValue(cx, result, args.rval())) {
return false;
}
return true;
}
MOZ_CAN_RUN_SCRIPT static bool
toBlob_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
bool ok = toBlob(cx, obj, void_self, args);
if (ok) {
return true;
}
return ConvertExceptionToPromise(cx, args.rval());
}
static const JSJitInfo toBlob_methodinfo = {
{ (JSJitGetterOp)toBlob_promiseWrapper },
{ prototypes::id::OffscreenCanvas },
{ PrototypeTraits<prototypes::id::OffscreenCanvas>::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 bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::OffscreenCanvas* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::OffscreenCanvas>(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::GCContext* gcx, JSObject* obj)
{
mozilla::dom::OffscreenCanvas* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::OffscreenCanvas>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::OffscreenCanvas>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::OffscreenCanvas* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::OffscreenCanvas>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::OffscreenCanvas* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::OffscreenCanvas>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("getContext", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getContext_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("transferToImageBitmap", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&transferToImageBitmap_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("convertToBlob", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&convertToBlob_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("toBlob", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&toBlob_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const Prefable<const JSFunctionSpec> sMethods[] = {
{ nullptr, &sMethods_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sAttributes_specs[] = {
JSPropertySpec::nativeAccessors("width", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &width_getterinfo, GenericSetter<NormalThisPolicy>, &width_setterinfo),
JSPropertySpec::nativeAccessors("height", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &height_getterinfo, GenericSetter<NormalThisPolicy>, &height_setterinfo),
JSPropertySpec::nativeAccessors("oncontextlost", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &oncontextlost_getterinfo, GenericSetter<NormalThisPolicy>, &oncontextlost_setterinfo),
JSPropertySpec::nativeAccessors("oncontextrestored", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &oncontextrestored_getterinfo, GenericSetter<NormalThisPolicy>, &oncontextrestored_setterinfo),
JS_PS_END
};
static const Prefable<const JSPropertySpec> sAttributes[] = {
{ nullptr, &sAttributes_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 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[8];
static PropertyInfo sNativeProperties_propertyInfos[8];
static const NativePropertiesN<2> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
true, 1 /* sAttributes */,
false, 0,
false, 0,
false, 0,
-1,
8,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] },
{ sAttributes, &sNativeProperties_propertyInfos[4] }
}
};
static_assert(8 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::OffscreenCanvas,
constructors::id::OffscreenCanvas,
&DefaultXrayExpandoObjectClass
};
static bool
_constructor(JSContext* cx_, unsigned argc, JS::Value* vp)
{
BindingCallContext cx(cx_, "OffscreenCanvas constructor");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"OffscreenCanvas", "constructor", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::Rooted<JSObject*> obj(cx, &args.callee());
if (!args.isConstructing()) {
return ThrowConstructorWithoutNew(cx, "OffscreenCanvas");
}
JS::Rooted<JSObject*> desiredProto(cx);
if (!GetDesiredProto(cx, args,
prototypes::id::OffscreenCanvas,
CreateInterfaceObjects,
&desiredProto)) {
return false;
}
if (!args.requireAtLeast(cx, "OffscreenCanvas constructor", 2)) {
return false;
}
GlobalObject global(cx, obj);
if (global.Failed()) {
return false;
}
bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
uint32_t arg0;
if (!ValueToPrimitive<uint32_t, eEnforceRange>(cx, args[0], "Argument 1", &arg0)) {
return false;
}
uint32_t arg1;
if (!ValueToPrimitive<uint32_t, eEnforceRange>(cx, args[1], "Argument 2", &arg1)) {
return false;
}
Maybe<JSAutoRealm> ar;
if (objIsXray) {
// Since our object is an Xray, we can just CheckedUnwrapStatic:
// we know Xrays have no dynamic unwrap behavior.
obj = js::CheckedUnwrapStatic(obj);
if (!obj) {
return false;
}
ar.emplace(cx, obj);
if (!JS_WrapObject(cx, &desiredProto)) {
return false;
}
}
FastErrorResult rv;
auto result(StrongOrRawPtr<mozilla::dom::OffscreenCanvas>(mozilla::dom::OffscreenCanvas::Constructor(global, arg0, arg1, rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "OffscreenCanvas constructor"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"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 DOMInterfaceInfo sInterfaceObjectInfo = {
{ _constructor, &sNativePropertyHooks },
EventTarget_Binding::GetConstructorObject,
prototypes::id::OffscreenCanvas,
PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"OffscreenCanvasPrototype",
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,
prototypes::id::OffscreenCanvas,
PrototypeTraits<prototypes::id::OffscreenCanvas>::Depth,
&sNativePropertyHooks,
EventTarget_Binding::GetProtoObject
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return StaticPrefs::gfx_offscreencanvas_enabled();
}
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "OffscreenCanvas",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::EventTarget, prototypes::id::OffscreenCanvas, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
std::is_base_of_v<nsISupports, mozilla::dom::OffscreenCanvas>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::OffscreenCanvas>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::OffscreenCanvas>::Get(),
nullptr,
_getWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
"Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
"Must have enough reserved slots.");
bool
Wrap(JSContext* aCx, mozilla::dom::OffscreenCanvas* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::OffscreenCanvas>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::OffscreenCanvas*>);
MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
"Multiple inheritance for mozilla::dom::EventTarget is broken.");
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// If the wrapper cache contains a dead reflector then finalize that
// now, ensuring that the finalizer for the old reflector always
// runs before the new reflector is created and attached. This
// avoids the awkward situation where there are multiple reflector
// objects that contain pointers to the same native.
if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
_finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
if (!global) {
return false;
}
MOZ_ASSERT(JS_IsGlobalObject(global));
JS::AssertObjectIsNotGray(global);
// That might have ended up wrapping us already, due to the wonders
// of XBL. Check for that, and bail out as needed.
aReflector.set(aCache->GetWrapper());
if (aReflector) {
#ifdef DEBUG
AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
return true;
}
JSAutoRealm ar(aCx, global);
JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> proto(aCx);
if (aGivenProto) {
proto = aGivenProto;
// Unfortunately, while aGivenProto was in the compartment of aCx
// coming in, we changed compartments to that of "parent" so may need
// to wrap the proto here.
if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::OffscreenCanvas> 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;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::OffscreenCanvas);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::OffscreenCanvas);
JS::Handle<JSObject*> parentProto(EventTarget_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(EventTarget_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 2, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"OffscreenCanvas", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace OffscreenCanvas_Binding
} // namespace dom
} // namespace mozilla