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/* THIS FILE IS AUTOGENERATED FROM EventHandler.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "EventHandlerBinding.h"
#include "MainThreadUtils.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/experimental/JitInfo.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningEventOrString& aUnion, const char* aName, uint32_t aFlags)
{
if (aUnion.IsEvent()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsEvent(), "mEvent", aFlags);
}
}
void
ImplCycleCollectionUnlink(OwningEventOrString& aUnion)
{
aUnion.Uninit();
}
MOZ_CAN_RUN_SCRIPT void
EventHandlerNonNull::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, Event& event, JS::MutableHandle<JS::Value> aRetVal, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(1)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return;
}
unsigned argc = 1;
do {
if (!GetOrCreateDOMReflector(cx, event, argv[0])) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (JS::IsCallable(mCallback) && !JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
aRv.NoteJSContextException(cx);
return;
}
JS::Rooted<JS::Value> rvalDecl(cx);
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunreachable-code"
#pragma clang diagnostic ignored "-Wunreachable-code-return"
#endif // __clang__
if ((false) && !CallerSubsumes(rval)) {
cx.ThrowErrorMessage<MSG_PERMISSION_DENIED_TO_PASS_ARG>("return value of EventHandlerNonNull");
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif // __clang__
rvalDecl = rval;
aRetVal.set(rvalDecl);
}
bool
EventOrString::TrySetToEvent(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
NonNull<mozilla::dom::Event>& memberSlot = RawSetAsEvent();
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::Event, mozilla::dom::Event>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyEvent();
tryNext = true;
return true;
}
}
}
return true;
}
bool
EventOrString::TrySetToEvent(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToEvent(cx, value, tryNext, passedToJSImpl);
}
bool
EventOrString::TrySetToString(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
binding_detail::FakeString<char16_t>& memberSlot = RawSetAsString();
if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) {
return false;
}
}
return true;
}
bool
EventOrString::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 = !TrySetToEvent(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (!done) {
do {
done = (failed = !TrySetToString(cx, value, tryNext)) || !tryNext;
break;
} while (false);
}
if (failed) {
return false;
}
if (!done) {
cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "Event");
return false;
}
return true;
}
bool
EventOrString::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return Init(cx, value, sourceDescription, passedToJSImpl);
}
bool
EventOrString::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
switch (mType) {
case eUninitialized: {
return false;
}
case eEvent: {
if (!GetOrCreateDOMReflector(cx, mValue.mEvent.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eString: {
if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) {
return false;
}
return true;
}
default: {
return false;
}
}
}
OwningEventOrString::OwningEventOrString(OwningEventOrString&& aOther)
: mType(eUninitialized)
{
switch (aOther.mType) {
case eUninitialized: {
MOZ_ASSERT(mType == eUninitialized,
"We need to destroy ourselves?");
break;
}
case eEvent: {
mType = eEvent;
mValue.mEvent.SetValue(std::move(aOther.mValue.mEvent.Value()));
break;
}
case eString: {
mType = eString;
mValue.mString.SetValue(std::move(aOther.mValue.mString.Value()));
break;
}
}
}
bool
OwningEventOrString::TrySetToEvent(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
OwningNonNull<mozilla::dom::Event>& memberSlot = RawSetAsEvent();
static_assert(IsRefcounted<mozilla::dom::Event>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::Event, mozilla::dom::Event>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyEvent();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OwningEventOrString::TrySetToEvent(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToEvent(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] OwningNonNull<mozilla::dom::Event>&
OwningEventOrString::RawSetAsEvent()
{
if (mType == eEvent) {
return mValue.mEvent.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eEvent;
return mValue.mEvent.SetValue();
}
[[nodiscard]] OwningNonNull<mozilla::dom::Event>&
OwningEventOrString::SetAsEvent()
{
if (mType == eEvent) {
return mValue.mEvent.Value();
}
Uninit();
mType = eEvent;
return mValue.mEvent.SetValue();
}
void
OwningEventOrString::DestroyEvent()
{
MOZ_RELEASE_ASSERT(IsEvent(), "Wrong type!");
mValue.mEvent.Destroy();
mType = eUninitialized;
}
bool
OwningEventOrString::TrySetToString(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
nsString& memberSlot = RawSetAsString();
if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) {
return false;
}
}
return true;
}
[[nodiscard]] nsString&
OwningEventOrString::RawSetAsString()
{
if (mType == eString) {
return mValue.mString.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eString;
return mValue.mString.SetValue();
}
[[nodiscard]] nsString&
OwningEventOrString::SetAsString()
{
if (mType == eString) {
return mValue.mString.Value();
}
Uninit();
mType = eString;
return mValue.mString.SetValue();
}
void
OwningEventOrString::DestroyString()
{
MOZ_RELEASE_ASSERT(IsString(), "Wrong type!");
mValue.mString.Destroy();
mType = eUninitialized;
}
bool
OwningEventOrString::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 = !TrySetToEvent(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (!done) {
do {
done = (failed = !TrySetToString(cx, value, tryNext)) || !tryNext;
break;
} while (false);
}
if (failed) {
return false;
}
if (!done) {
cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "Event");
return false;
}
return true;
}
bool
OwningEventOrString::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return Init(cx, value, sourceDescription, passedToJSImpl);
}
void
OwningEventOrString::Uninit()
{
switch (mType) {
case eUninitialized: {
break;
}
case eEvent: {
DestroyEvent();
break;
}
case eString: {
DestroyString();
break;
}
}
}
bool
OwningEventOrString::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
switch (mType) {
case eUninitialized: {
return false;
}
case eEvent: {
if (!GetOrCreateDOMReflector(cx, mValue.mEvent.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eString: {
if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) {
return false;
}
return true;
}
default: {
return false;
}
}
}
OwningEventOrString&
OwningEventOrString::operator=(OwningEventOrString&& aOther)
{
this->~OwningEventOrString();
new (this) OwningEventOrString (std::move(aOther));
return *this;
}
OwningEventOrString&
OwningEventOrString::operator=(const OwningEventOrString& aOther)
{
switch (aOther.mType) {
case eUninitialized: {
MOZ_ASSERT(mType == eUninitialized,
"We need to destroy ourselves?");
break;
}
case eEvent: {
SetAsEvent() = aOther.GetAsEvent();
break;
}
case eString: {
SetAsString() = aOther.GetAsString();
break;
}
}
return *this;
}
MOZ_CAN_RUN_SCRIPT void
OnBeforeUnloadEventHandlerNonNull::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, Event& event, nsString& aRetVal, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(1)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return;
}
unsigned argc = 1;
do {
if (!GetOrCreateDOMReflector(cx, event, argv[0])) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (JS::IsCallable(mCallback) && !JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
aRv.NoteJSContextException(cx);
return;
}
binding_detail::FakeString<char16_t> rvalDecl;
if (!ConvertJSValueToString(cx, rval, eNull, eNull, rvalDecl)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
aRetVal = rvalDecl;
}
MOZ_CAN_RUN_SCRIPT void
OnErrorEventHandlerNonNull::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, const EventOrString& event, const Optional<nsAString>& source, const Optional<uint32_t>& lineno, const Optional<uint32_t>& column, const Optional<JS::Handle<JS::Value>>& error, JS::MutableHandle<JS::Value> aRetVal, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(5)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return;
}
unsigned argc = 5;
do {
if (error.WasPassed()) {
JS::ExposeValueToActiveJS(error.Value());
argv[4].set(error.Value());
if (!MaybeWrapValue(cx, argv[4])) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} else if (argc == 5) {
// This is our current trailing argument; reduce argc
--argc;
} else {
argv[4].setUndefined();
}
} while (false);
do {
if (column.WasPassed()) {
argv[3].setNumber(column.Value());
break;
} else if (argc == 4) {
// This is our current trailing argument; reduce argc
--argc;
} else {
argv[3].setUndefined();
}
} while (false);
do {
if (lineno.WasPassed()) {
argv[2].setNumber(lineno.Value());
break;
} else if (argc == 3) {
// This is our current trailing argument; reduce argc
--argc;
} else {
argv[2].setUndefined();
}
} while (false);
do {
if (source.WasPassed()) {
if (!xpc::NonVoidStringToJsval(cx, source.Value(), argv[1])) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} else if (argc == 2) {
// This is our current trailing argument; reduce argc
--argc;
} else {
argv[1].setUndefined();
}
} while (false);
do {
JS::Rooted<JSObject*> callbackObj(cx, CallbackKnownNotGray());
if (!event.ToJSVal(cx, callbackObj, argv[0])) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (JS::IsCallable(mCallback) && !JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
aRv.NoteJSContextException(cx);
return;
}
JS::Rooted<JS::Value> rvalDecl(cx);
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunreachable-code"
#pragma clang diagnostic ignored "-Wunreachable-code-return"
#endif // __clang__
if ((false) && !CallerSubsumes(rval)) {
cx.ThrowErrorMessage<MSG_PERMISSION_DENIED_TO_PASS_ARG>("return value of OnErrorEventHandlerNonNull");
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif // __clang__
rvalDecl = rval;
aRetVal.set(rvalDecl);
}
} // namespace mozilla::dom