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/* THIS FILE IS AUTOGENERATED FROM DragEvent.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "DragEventBinding.h"
#include "MainThreadUtils.h"
#include "MouseEventBinding.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 "mozilla/Atomics.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/DragEvent.h"
#include "mozilla/dom/EventTarget.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsGlobalWindowInner.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
DragEventInit::DragEventInit()
: MouseEventInit(FastDictionaryInitializer())
{
// Safe to pass a null context if we pass a null value
Init(nullptr, JS::NullHandleValue);
}
bool
DragEventInit::InitIds(JSContext* cx, DragEventInitAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->dataTransfer_id.init(cx, "dataTransfer")) {
return false;
}
return true;
}
bool
DragEventInit::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());
DragEventInitAtoms* atomsCache = nullptr;
if (cx) {
atomsCache = GetAtomCache<DragEventInitAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
}
// Per spec, we init the parent's members first
if (!MouseEventInit::Init(cx, val)) {
return false;
}
bool isNull = val.isNullOrUndefined();
// We only need these if !isNull, in which case we have |cx|.
Maybe<JS::Rooted<JSObject *> > object;
Maybe<JS::Rooted<JS::Value> > temp;
if (!isNull) {
MOZ_ASSERT(cx);
object.emplace(cx, &val.toObject());
temp.emplace(cx);
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->dataTransfer_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
if (temp.ref().isObject()) {
static_assert(IsRefcounted<mozilla::dom::DataTransfer>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::DataTransfer, mozilla::dom::DataTransfer>(temp.ptr(), mDataTransfer, cx);
if (NS_FAILED(rv)) {
cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("'dataTransfer' member of DragEventInit", "DataTransfer");
return false;
}
}
} else if (temp.ref().isNullOrUndefined()) {
mDataTransfer = nullptr;
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("'dataTransfer' member of DragEventInit");
return false;
}
} else {
mDataTransfer = nullptr;
}
mIsAnyMemberPresent = true;
return true;
}
bool
DragEventInit::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
DragEventInit::TraceDictionary(JSTracer* trc)
{
MouseEventInit::TraceDictionary(trc);
}
DragEventInit&
DragEventInit::operator=(const DragEventInit& aOther)
{
MouseEventInit::operator=(aOther);
mDataTransfer = aOther.mDataTransfer;
return *this;
}
namespace DragEvent_Binding {
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<MouseEvent_Binding::NativeType>::value,
"Can't inherit from an interface with a different ownership model.");
MOZ_CAN_RUN_SCRIPT static bool
get_dataTransfer(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"DragEvent", "dataTransfer", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::DragEvent*>(void_self);
auto result(StrongOrRawPtr<mozilla::dom::DataTransfer>(MOZ_KnownLive(self)->GetDataTransfer()));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!result) {
args.rval().setNull();
return true;
}
if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const JSJitInfo dataTransfer_getterinfo = {
{ get_dataTransfer },
{ prototypes::id::DragEvent },
{ PrototypeTraits<prototypes::id::DragEvent>::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. */
};
MOZ_CAN_RUN_SCRIPT static bool
initDragEvent(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "DragEvent.initDragEvent");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"DragEvent", "initDragEvent", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::DragEvent*>(void_self);
if (!args.requireAtLeast(cx, "DragEvent.initDragEvent", 1)) {
return false;
}
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
bool arg1;
if (args.hasDefined(1)) {
if (!ValueToPrimitive<bool, eDefault>(cx, args[1], "Argument 2", &arg1)) {
return false;
}
} else {
arg1 = false;
}
bool arg2;
if (args.hasDefined(2)) {
if (!ValueToPrimitive<bool, eDefault>(cx, args[2], "Argument 3", &arg2)) {
return false;
}
} else {
arg2 = false;
}
nsGlobalWindowInner* arg3;
if (args.hasDefined(3)) {
if (args[3].isObject()) {
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::Window, nsGlobalWindowInner>(args[3], arg3, cx);
if (NS_FAILED(rv)) {
cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 4", "Window");
return false;
}
}
} else if (args[3].isNullOrUndefined()) {
arg3 = nullptr;
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 4");
return false;
}
} else {
arg3 = nullptr;
}
int32_t arg4;
if (args.hasDefined(4)) {
if (!ValueToPrimitive<int32_t, eDefault>(cx, args[4], "Argument 5", &arg4)) {
return false;
}
} else {
arg4 = 0;
}
int32_t arg5;
if (args.hasDefined(5)) {
if (!ValueToPrimitive<int32_t, eDefault>(cx, args[5], "Argument 6", &arg5)) {
return false;
}
} else {
arg5 = 0;
}
int32_t arg6;
if (args.hasDefined(6)) {
if (!ValueToPrimitive<int32_t, eDefault>(cx, args[6], "Argument 7", &arg6)) {
return false;
}
} else {
arg6 = 0;
}
int32_t arg7;
if (args.hasDefined(7)) {
if (!ValueToPrimitive<int32_t, eDefault>(cx, args[7], "Argument 8", &arg7)) {
return false;
}
} else {
arg7 = 0;
}
int32_t arg8;
if (args.hasDefined(8)) {
if (!ValueToPrimitive<int32_t, eDefault>(cx, args[8], "Argument 9", &arg8)) {
return false;
}
} else {
arg8 = 0;
}
bool arg9;
if (args.hasDefined(9)) {
if (!ValueToPrimitive<bool, eDefault>(cx, args[9], "Argument 10", &arg9)) {
return false;
}
} else {
arg9 = false;
}
bool arg10;
if (args.hasDefined(10)) {
if (!ValueToPrimitive<bool, eDefault>(cx, args[10], "Argument 11", &arg10)) {
return false;
}
} else {
arg10 = false;
}
bool arg11;
if (args.hasDefined(11)) {
if (!ValueToPrimitive<bool, eDefault>(cx, args[11], "Argument 12", &arg11)) {
return false;
}
} else {
arg11 = false;
}
bool arg12;
if (args.hasDefined(12)) {
if (!ValueToPrimitive<bool, eDefault>(cx, args[12], "Argument 13", &arg12)) {
return false;
}
} else {
arg12 = false;
}
uint16_t arg13;
if (args.hasDefined(13)) {
if (!ValueToPrimitive<uint16_t, eDefault>(cx, args[13], "Argument 14", &arg13)) {
return false;
}
} else {
arg13 = 0;
}
mozilla::dom::EventTarget* arg14;
if (args.hasDefined(14)) {
if (args[14].isObject()) {
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::EventTarget, mozilla::dom::EventTarget>(args[14], arg14, cx);
if (NS_FAILED(rv)) {
cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 15", "EventTarget");
return false;
}
}
} else if (args[14].isNullOrUndefined()) {
arg14 = nullptr;
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 15");
return false;
}
} else {
arg14 = nullptr;
}
mozilla::dom::DataTransfer* arg15;
if (args.hasDefined(15)) {
if (args[15].isObject()) {
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::DataTransfer, mozilla::dom::DataTransfer>(args[15], arg15, cx);
if (NS_FAILED(rv)) {
cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 16", "DataTransfer");
return false;
}
}
} else if (args[15].isNullOrUndefined()) {
arg15 = nullptr;
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 16");
return false;
}
} else {
arg15 = nullptr;
}
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->InitDragEvent(NonNullHelper(Constify(arg0)), arg1, arg2, MOZ_KnownLive(Constify(arg3)), arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, MOZ_KnownLive(Constify(arg14)), MOZ_KnownLive(Constify(arg15))))>, "Should be returning void here");
MOZ_KnownLive(self)->InitDragEvent(NonNullHelper(Constify(arg0)), arg1, arg2, MOZ_KnownLive(Constify(arg3)), arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, MOZ_KnownLive(Constify(arg14)), MOZ_KnownLive(Constify(arg15)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setUndefined();
return true;
}
static const JSJitInfo initDragEvent_methodinfo = {
{ (JSJitGetterOp)initDragEvent },
{ prototypes::id::DragEvent },
{ PrototypeTraits<prototypes::id::DragEvent>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"DragEvent", "isTrusted", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::DragEvent*>(void_self);
bool result(MOZ_KnownLive(self)->IsTrusted());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setBoolean(result);
return true;
}
static const JSJitInfo isTrusted_getterinfo = {
{ get_isTrusted },
{ prototypes::id::DragEvent },
{ PrototypeTraits<prototypes::id::DragEvent>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
true, /* isInfallible. False in setters. */
true, /* isMovable. Not relevant for setters. */
true, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::DragEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DragEvent>(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::DragEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DragEvent>(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::DragEvent>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::DragEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DragEvent>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::DragEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DragEvent>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("initDragEvent", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&initDragEvent_methodinfo), 1, 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(1 <= 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("dataTransfer", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &dataTransfer_getterinfo, nullptr, nullptr),
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(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sUnforgeableAttributes_specs[] = {
JSPropertySpec::nativeAccessors("isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr),
JS_PS_END
};
static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
{ nullptr, &sUnforgeableAttributes_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static uint16_t sNativeProperties_sortedPropertyIndices[3];
static PropertyInfo sNativeProperties_propertyInfos[3];
static const NativePropertiesN<3> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
true, 1 /* sAttributes */,
false, 0,
true, 2 /* sUnforgeableAttributes */,
false, 0,
-1,
3,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] },
{ sAttributes, &sNativeProperties_propertyInfos[1] },
{ sUnforgeableAttributes, &sNativeProperties_propertyInfos[2] }
}
};
static_assert(3 < 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::DragEvent,
constructors::id::DragEvent,
&DefaultXrayExpandoObjectClass
};
static bool
_constructor(JSContext* cx_, unsigned argc, JS::Value* vp)
{
BindingCallContext cx(cx_, "DragEvent constructor");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"DragEvent", "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, "DragEvent");
}
JS::Rooted<JSObject*> desiredProto(cx);
if (!GetDesiredProto(cx, args,
prototypes::id::DragEvent,
CreateInterfaceObjects,
&desiredProto)) {
return false;
}
if (!args.requireAtLeast(cx, "DragEvent constructor", 1)) {
return false;
}
GlobalObject global(cx, obj);
if (global.Failed()) {
return false;
}
bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
binding_detail::FastDragEventInit arg1;
if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2", false)) {
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;
}
}
auto result(StrongOrRawPtr<mozilla::dom::DragEvent>(mozilla::dom::DragEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1))));
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 },
MouseEvent_Binding::GetConstructorObject,
prototypes::id::DragEvent,
PrototypeTraits<prototypes::id::DragEvent>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"DragEventPrototype",
JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
JS_NULL_CLASS_OPS,
JS_NULL_CLASS_SPEC,
JS_NULL_CLASS_EXT,
JS_NULL_OBJECT_OPS
},
eInterfacePrototype,
prototypes::id::DragEvent,
PrototypeTraits<prototypes::id::DragEvent>::Depth,
&sNativePropertyHooks,
MouseEvent_Binding::GetProtoObject
};
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 = {
{ "DragEvent",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::Event, prototypes::id::UIEvent, prototypes::id::MouseEvent, prototypes::id::DragEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
std::is_base_of_v<nsISupports, mozilla::dom::DragEvent>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::DragEvent>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::DragEvent>::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::DragEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::DragEvent>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::DragEvent*>);
MOZ_ASSERT(static_cast<mozilla::dom::MouseEvent*>(aObject) ==
reinterpret_cast<mozilla::dom::MouseEvent*>(aObject),
"Multiple inheritance for mozilla::dom::MouseEvent is broken.");
MOZ_ASSERT(static_cast<mozilla::dom::UIEvent*>(aObject) ==
reinterpret_cast<mozilla::dom::UIEvent*>(aObject),
"Multiple inheritance for mozilla::dom::UIEvent is broken.");
MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
reinterpret_cast<mozilla::dom::Event*>(aObject),
"Multiple inheritance for mozilla::dom::Event is broken.");
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// 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::DragEvent> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
aCache->SetWrapper(aReflector);
// Important: do unforgeable property setup after we have handed
// over ownership of the C++ object to obj as needed, so that if
// we fail and it ends up GCed it won't have problems in the
// finalizer trying to drop its ownership of the C++ object.
JS::Rooted<JSObject*> unforgeableHolder(aCx,
&JS::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
aCache->ReleaseWrapper(aObject);
aCache->ClearWrapper();
return false;
}
creator.InitializationSucceeded();
MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
aCache->GetWrapperPreserveColor() == aReflector);
// If proto != canonicalProto, we have to preserve our wrapper;
// otherwise we won't be able to properly recreate it later, since
// we won't know what proto to use. Note that we don't check
// aGivenProto here, since it's entirely possible (and even
// somewhat common) to have a non-null aGivenProto which is the
// same as canonicalProto.
if (proto != canonicalProto) {
PreserveWrapper(aObject);
}
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DragEvent);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DragEvent);
JS::Handle<JSObject*> parentProto(MouseEvent_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(MouseEvent_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 1, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"DragEvent", aDefineOnGlobal,
nullptr,
false,
nullptr);
JS::AssertObjectIsNotGray(*protoCache);
JS::Handle<JSObject*> proto = JS::Handle<JSObject*>::fromMarkedLocation(protoCache->address());
if (!proto) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
JS::Rooted<JSObject*> unforgeableHolder(
aCx, JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), proto));
if (!unforgeableHolder) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
if (!DefineLegacyUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
if (*protoCache) {
JS::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
JS::ObjectValue(*unforgeableHolder));
}
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace DragEvent_Binding
} // namespace mozilla::dom