Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM HTMLMapElement.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "HTMLElementBinding.h"
4 : #include "HTMLMapElementBinding.h"
5 : #include "WrapperFactory.h"
6 : #include "mozilla/OwningNonNull.h"
7 : #include "mozilla/dom/BindingUtils.h"
8 : #include "mozilla/dom/CustomElementRegistry.h"
9 : #include "mozilla/dom/DOMJSClass.h"
10 : #include "mozilla/dom/HTMLMapElement.h"
11 : #include "mozilla/dom/NonRefcountedDOMObject.h"
12 : #include "mozilla/dom/XrayExpandoClass.h"
13 : #include "nsContentList.h"
14 :
15 : namespace mozilla {
16 : namespace dom {
17 :
18 : namespace HTMLMapElementBinding {
19 :
20 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<HTMLElementBinding::NativeType>::value,
21 : "Can't inherit from an interface with a different ownership model.");
22 :
23 : static bool
24 0 : get_name(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLMapElement* self, JSJitGetterCallArgs args)
25 : {
26 0 : DOMString result;
27 0 : self->GetName(result);
28 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
29 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
30 0 : return false;
31 : }
32 0 : return true;
33 : }
34 :
35 : static bool
36 0 : set_name(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLMapElement* self, JSJitSetterCallArgs args)
37 : {
38 0 : binding_detail::FakeString arg0;
39 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
40 0 : return false;
41 : }
42 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
43 0 : Maybe<AutoCEReaction> ceReaction;
44 0 : if (reactionsStack) {
45 0 : ceReaction.emplace(reactionsStack);
46 : }
47 0 : binding_detail::FastErrorResult rv;
48 0 : self->SetName(NonNullHelper(Constify(arg0)), rv);
49 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
50 0 : return false;
51 : }
52 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
53 :
54 0 : return true;
55 : }
56 :
57 : static const JSJitInfo name_getterinfo = {
58 : { (JSJitGetterOp)get_name },
59 : { prototypes::id::HTMLMapElement },
60 : { PrototypeTraits<prototypes::id::HTMLMapElement>::Depth },
61 : JSJitInfo::Getter,
62 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
63 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
64 : false, /* isInfallible. False in setters. */
65 : true, /* isMovable. Not relevant for setters. */
66 : true, /* isEliminatable. Not relevant for setters. */
67 : false, /* isAlwaysInSlot. Only relevant for getters. */
68 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
69 : false, /* isTypedMethod. Only relevant for methods. */
70 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
71 : };
72 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
73 : static_assert(0 < 1, "There is no slot for us");
74 : static const JSJitInfo name_setterinfo = {
75 : { (JSJitGetterOp)set_name },
76 : { prototypes::id::HTMLMapElement },
77 : { PrototypeTraits<prototypes::id::HTMLMapElement>::Depth },
78 : JSJitInfo::Setter,
79 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
80 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
81 : false, /* isInfallible. False in setters. */
82 : false, /* isMovable. Not relevant for setters. */
83 : false, /* isEliminatable. Not relevant for setters. */
84 : false, /* isAlwaysInSlot. Only relevant for getters. */
85 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
86 : false, /* isTypedMethod. Only relevant for methods. */
87 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
88 : };
89 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
90 : static_assert(0 < 1, "There is no slot for us");
91 :
92 : static bool
93 0 : get_areas(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLMapElement* self, JSJitGetterCallArgs args)
94 : {
95 0 : auto result(StrongOrRawPtr<nsIHTMLCollection>(self->Areas()));
96 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
97 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
98 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
99 0 : return false;
100 : }
101 0 : return true;
102 : }
103 :
104 : static const JSJitInfo areas_getterinfo = {
105 : { (JSJitGetterOp)get_areas },
106 : { prototypes::id::HTMLMapElement },
107 : { PrototypeTraits<prototypes::id::HTMLMapElement>::Depth },
108 : JSJitInfo::Getter,
109 : JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
110 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
111 : false, /* isInfallible. False in setters. */
112 : true, /* isMovable. Not relevant for setters. */
113 : true, /* isEliminatable. Not relevant for setters. */
114 : false, /* isAlwaysInSlot. Only relevant for getters. */
115 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
116 : false, /* isTypedMethod. Only relevant for methods. */
117 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
118 : };
119 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
120 : static_assert(0 < 1, "There is no slot for us");
121 :
122 : static bool
123 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
124 : {
125 0 : mozilla::dom::HTMLMapElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLMapElement>(obj);
126 : // We don't want to preserve if we don't have a wrapper, and we
127 : // obviously can't preserve if we're not initialized.
128 0 : if (self && self->GetWrapperPreserveColor()) {
129 0 : PreserveWrapper(self);
130 : }
131 0 : return true;
132 : }
133 :
134 : static void
135 0 : _finalize(js::FreeOp* fop, JSObject* obj)
136 : {
137 0 : mozilla::dom::HTMLMapElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLMapElement>(obj);
138 0 : if (self) {
139 0 : ClearWrapper(self, self, obj);
140 0 : AddForDeferredFinalization<mozilla::dom::HTMLMapElement>(self);
141 : }
142 0 : }
143 :
144 : static void
145 0 : _objectMoved(JSObject* obj, const JSObject* old)
146 : {
147 0 : mozilla::dom::HTMLMapElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLMapElement>(obj);
148 0 : if (self) {
149 0 : UpdateWrapper(self, self, obj, old);
150 : }
151 0 : }
152 :
153 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
154 : #if defined(__clang__)
155 : #pragma clang diagnostic push
156 : #pragma clang diagnostic ignored "-Wmissing-braces"
157 : #endif
158 : static const JSPropertySpec sAttributes_specs[] = {
159 : { "name", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &name_getterinfo, GenericBindingSetter, &name_setterinfo },
160 : { "areas", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &areas_getterinfo, nullptr, nullptr },
161 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
162 : };
163 : #if defined(__clang__)
164 : #pragma clang diagnostic pop
165 : #endif
166 :
167 :
168 : // Can't be const because the pref-enabled boolean needs to be writable
169 : static Prefable<const JSPropertySpec> sAttributes[] = {
170 : { nullptr, &sAttributes_specs[0] },
171 : { nullptr, nullptr }
172 : };
173 :
174 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
175 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
176 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
177 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
178 :
179 :
180 : static uint16_t sNativeProperties_sortedPropertyIndices[2];
181 : static PropertyInfo sNativeProperties_propertyInfos[2];
182 :
183 : static const NativePropertiesN<1> sNativeProperties = {
184 : false, 0,
185 : false, 0,
186 : false, 0,
187 : true, 0 /* sAttributes */,
188 : false, 0,
189 : false, 0,
190 : false, 0,
191 : -1,
192 : 2,
193 : sNativeProperties_sortedPropertyIndices,
194 : {
195 : { sAttributes, &sNativeProperties_propertyInfos[0] }
196 : }
197 : };
198 : static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
199 : "We have a property info count that is oversized");
200 :
201 : static bool
202 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
203 : {
204 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
205 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
206 0 : if (!args.isConstructing()) {
207 : // XXXbz wish I could get the name from the callee instead of
208 : // Adding more relocations
209 0 : return ThrowConstructorWithoutNew(cx, "HTMLMapElement");
210 : }
211 :
212 0 : GlobalObject global(cx, obj);
213 0 : if (global.Failed()) {
214 0 : return false;
215 : }
216 :
217 : // The newTarget might be a cross-compartment wrapper. Get the underlying object
218 : // so we can do the spec's object-identity checks.
219 0 : JS::Rooted<JSObject*> newTarget(cx, js::CheckedUnwrap(&args.newTarget().toObject()));
220 0 : if (!newTarget) {
221 0 : return ThrowErrorMessage(cx, MSG_ILLEGAL_CONSTRUCTOR);
222 : }
223 :
224 : // Step 2 of https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor.
225 : // Enter the compartment of our underlying newTarget object, so we end
226 : // up comparing to the constructor object for our interface from that global.
227 : {
228 0 : JSAutoCompartment ac(cx, newTarget);
229 0 : JS::Handle<JSObject*> constructor(GetConstructorObjectHandle(cx));
230 0 : if (!constructor) {
231 0 : return false;
232 : }
233 0 : if (newTarget == constructor) {
234 0 : return ThrowErrorMessage(cx, MSG_ILLEGAL_CONSTRUCTOR);
235 : }
236 : }
237 :
238 0 : JS::Rooted<JSObject*> desiredProto(cx);
239 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
240 0 : return false;
241 : }
242 0 : if (!desiredProto) {
243 : // Step 7 of https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor.
244 : // This fallback behavior is designed to match analogous behavior for the
245 : // JavaScript built-ins. So we enter the compartment of our underlying
246 : // newTarget object and fall back to the prototype object from that global.
247 : // XXX The spec says to use GetFunctionRealm(), which is not actually
248 : // the same thing as what we have here (e.g. in the case of scripted callable proxies
249 : // whose target is not same-compartment with the proxy, or bound functions, etc).
250 : // https://bugzilla.mozilla.org/show_bug.cgi?id=1317658
251 : {
252 0 : JSAutoCompartment ac(cx, newTarget);
253 0 : desiredProto = GetProtoObjectHandle(cx);
254 0 : if (!desiredProto) {
255 0 : return false;
256 : }
257 : }
258 :
259 : // desiredProto is in the compartment of the underlying newTarget object.
260 : // Wrap it into the context compartment.
261 0 : if (!JS_WrapObject(cx, &desiredProto)) {
262 0 : return false;
263 : }
264 : }
265 :
266 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
267 0 : Maybe<JSAutoCompartment> ac;
268 0 : if (objIsXray) {
269 0 : obj = js::CheckedUnwrap(obj);
270 0 : if (!obj) {
271 0 : return false;
272 : }
273 0 : ac.emplace(cx, obj);
274 0 : if (!JS_WrapObject(cx, &desiredProto)) {
275 0 : return false;
276 : }
277 : }
278 0 : binding_detail::FastErrorResult rv;
279 0 : auto result(StrongOrRawPtr<mozilla::dom::HTMLMapElement>(CreateHTMLElement(global, args, rv)));
280 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
281 0 : return false;
282 : }
283 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
284 : static_assert(!IsPointer<decltype(result)>::value,
285 : "NewObject implies that we need to keep the object alive with a strong reference.");
286 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
287 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
288 0 : return false;
289 : }
290 0 : return true;
291 : }
292 :
293 : static const js::ClassOps sInterfaceObjectClassOps = {
294 : nullptr, /* addProperty */
295 : nullptr, /* delProperty */
296 : nullptr, /* getProperty */
297 : nullptr, /* setProperty */
298 : nullptr, /* enumerate */
299 : nullptr, /* newEnumerate */
300 : nullptr, /* resolve */
301 : nullptr, /* mayResolve */
302 : nullptr, /* finalize */
303 : _constructor, /* call */
304 : nullptr, /* hasInstance */
305 : _constructor, /* construct */
306 : nullptr, /* trace */
307 : };
308 :
309 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
310 : {
311 : "Function",
312 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
313 : &sInterfaceObjectClassOps,
314 : JS_NULL_CLASS_SPEC,
315 : JS_NULL_CLASS_EXT,
316 : &sInterfaceObjectClassObjectOps
317 : },
318 : eInterface,
319 : true,
320 : prototypes::id::HTMLMapElement,
321 : PrototypeTraits<prototypes::id::HTMLMapElement>::Depth,
322 : sNativePropertyHooks,
323 : "function HTMLMapElement() {\n [native code]\n}",
324 : HTMLElementBinding::GetConstructorObject
325 : };
326 :
327 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
328 : {
329 : "HTMLMapElementPrototype",
330 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
331 : JS_NULL_CLASS_OPS,
332 : JS_NULL_CLASS_SPEC,
333 : JS_NULL_CLASS_EXT,
334 : JS_NULL_OBJECT_OPS
335 : },
336 : eInterfacePrototype,
337 : false,
338 : prototypes::id::HTMLMapElement,
339 : PrototypeTraits<prototypes::id::HTMLMapElement>::Depth,
340 : sNativePropertyHooks,
341 : "[object HTMLMapElementPrototype]",
342 : HTMLElementBinding::GetProtoObject
343 : };
344 :
345 : JSObject*
346 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
347 : {
348 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
349 : }
350 :
351 : static const js::ClassOps sClassOps = {
352 : _addProperty, /* addProperty */
353 : nullptr, /* delProperty */
354 : nullptr, /* getProperty */
355 : nullptr, /* setProperty */
356 : nullptr, /* enumerate */
357 : nullptr, /* newEnumerate */
358 : nullptr, /* resolve */
359 : nullptr, /* mayResolve */
360 : _finalize, /* finalize */
361 : nullptr, /* call */
362 : nullptr, /* hasInstance */
363 : nullptr, /* construct */
364 : nullptr, /* trace */
365 : };
366 :
367 : static const js::ClassExtension sClassExtension = {
368 : nullptr, /* weakmapKeyDelegateOp */
369 : _objectMoved /* objectMovedOp */
370 : };
371 :
372 : static const DOMJSClass sClass = {
373 : { "HTMLMapElement",
374 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
375 : &sClassOps,
376 : JS_NULL_CLASS_SPEC,
377 : &sClassExtension,
378 : JS_NULL_OBJECT_OPS
379 : },
380 : { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::Element, prototypes::id::HTMLElement, prototypes::id::HTMLMapElement, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
381 : IsBaseOf<nsISupports, mozilla::dom::HTMLMapElement >::value,
382 : sNativePropertyHooks,
383 : FindAssociatedGlobalForNative<mozilla::dom::HTMLMapElement>::Get,
384 : GetProtoObjectHandle,
385 : GetCCParticipant<mozilla::dom::HTMLMapElement>::Get()
386 : };
387 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
388 : "Must have the right minimal number of reserved slots.");
389 : static_assert(1 >= 1,
390 : "Must have enough reserved slots.");
391 :
392 : const JSClass*
393 0 : GetJSClass()
394 : {
395 0 : return sClass.ToJSClass();
396 : }
397 :
398 : bool
399 0 : Wrap(JSContext* aCx, mozilla::dom::HTMLMapElement* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
400 : {
401 : MOZ_ASSERT(static_cast<mozilla::dom::HTMLMapElement*>(aObject) ==
402 : reinterpret_cast<mozilla::dom::HTMLMapElement*>(aObject),
403 : "Multiple inheritance for mozilla::dom::HTMLMapElement is broken.");
404 : MOZ_ASSERT(static_cast<nsGenericHTMLElement*>(aObject) ==
405 : reinterpret_cast<nsGenericHTMLElement*>(aObject),
406 : "Multiple inheritance for nsGenericHTMLElement is broken.");
407 : MOZ_ASSERT(static_cast<mozilla::dom::Element*>(aObject) ==
408 : reinterpret_cast<mozilla::dom::Element*>(aObject),
409 : "Multiple inheritance for mozilla::dom::Element is broken.");
410 : MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
411 : reinterpret_cast<nsINode*>(aObject),
412 : "Multiple inheritance for nsINode is broken.");
413 : MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
414 : reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
415 : "Multiple inheritance for mozilla::dom::EventTarget is broken.");
416 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
417 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
418 0 : MOZ_ASSERT(!aCache->GetWrapper(),
419 : "You should probably not be using Wrap() directly; use "
420 : "GetOrCreateDOMReflector instead");
421 :
422 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
423 : "nsISupports must be on our primary inheritance chain");
424 :
425 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
426 0 : if (!global) {
427 0 : return false;
428 : }
429 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
430 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
431 :
432 : // That might have ended up wrapping us already, due to the wonders
433 : // of XBL. Check for that, and bail out as needed.
434 0 : aReflector.set(aCache->GetWrapper());
435 0 : if (aReflector) {
436 : #ifdef DEBUG
437 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
438 : #endif // DEBUG
439 0 : return true;
440 : }
441 :
442 0 : JSAutoCompartment ac(aCx, global);
443 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
444 0 : if (!canonicalProto) {
445 0 : return false;
446 : }
447 0 : JS::Rooted<JSObject*> proto(aCx);
448 0 : if (aGivenProto) {
449 0 : proto = aGivenProto;
450 : // Unfortunately, while aGivenProto was in the compartment of aCx
451 : // coming in, we changed compartments to that of "parent" so may need
452 : // to wrap the proto here.
453 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
454 0 : if (!JS_WrapObject(aCx, &proto)) {
455 0 : return false;
456 : }
457 : }
458 : } else {
459 0 : proto = canonicalProto;
460 : }
461 :
462 0 : BindingJSObjectCreator<mozilla::dom::HTMLMapElement> creator(aCx);
463 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
464 0 : if (!aReflector) {
465 0 : return false;
466 : }
467 :
468 0 : aCache->SetWrapper(aReflector);
469 0 : creator.InitializationSucceeded();
470 :
471 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
472 : aCache->GetWrapperPreserveColor() == aReflector);
473 : // If proto != canonicalProto, we have to preserve our wrapper;
474 : // otherwise we won't be able to properly recreate it later, since
475 : // we won't know what proto to use. Note that we don't check
476 : // aGivenProto here, since it's entirely possible (and even
477 : // somewhat common) to have a non-null aGivenProto which is the
478 : // same as canonicalProto.
479 0 : if (proto != canonicalProto) {
480 0 : PreserveWrapper(aObject);
481 : }
482 :
483 0 : return true;
484 : }
485 :
486 : const NativePropertyHooks sNativePropertyHooks[] = { {
487 : nullptr,
488 : nullptr,
489 : nullptr,
490 : { sNativeProperties.Upcast(), nullptr },
491 : prototypes::id::HTMLMapElement,
492 : constructors::id::HTMLMapElement,
493 : HTMLElementBinding::sNativePropertyHooks,
494 : &DefaultXrayExpandoObjectClass
495 : } };
496 :
497 : void
498 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
499 : {
500 0 : JS::Handle<JSObject*> parentProto(HTMLElementBinding::GetProtoObjectHandle(aCx));
501 0 : if (!parentProto) {
502 0 : return;
503 : }
504 :
505 0 : JS::Handle<JSObject*> constructorProto(HTMLElementBinding::GetConstructorObjectHandle(aCx));
506 0 : if (!constructorProto) {
507 0 : return;
508 : }
509 :
510 : static bool sIdsInited = false;
511 0 : if (!sIdsInited && NS_IsMainThread()) {
512 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
513 0 : return;
514 : }
515 0 : sIdsInited = true;
516 : }
517 :
518 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HTMLMapElement);
519 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HTMLMapElement);
520 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
521 : &sPrototypeClass.mBase, protoCache,
522 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
523 : interfaceCache,
524 : sNativeProperties.Upcast(),
525 : nullptr,
526 : "HTMLMapElement", aDefineOnGlobal,
527 : nullptr,
528 0 : false);
529 : }
530 :
531 : JS::Handle<JSObject*>
532 0 : GetProtoObjectHandle(JSContext* aCx)
533 : {
534 : /* Get the interface prototype object for this class. This will create the
535 : object as needed. */
536 0 : bool aDefineOnGlobal = true;
537 :
538 : /* Make sure our global is sane. Hopefully we can remove this sometime */
539 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
540 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
541 0 : return nullptr;
542 : }
543 :
544 : /* Check to see whether the interface objects are already installed */
545 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
546 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::HTMLMapElement)) {
547 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
548 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
549 : }
550 :
551 : /*
552 : * The object might _still_ be null, but that's OK.
553 : *
554 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
555 : * traced by TraceProtoAndIfaceCache() and its contents are never
556 : * changed after they have been set.
557 : *
558 : * Calling address() avoids the read read barrier that does gray
559 : * unmarking, but it's not possible for the object to be gray here.
560 : */
561 :
562 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::HTMLMapElement);
563 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
564 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
565 : }
566 :
567 : JS::Handle<JSObject*>
568 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
569 : {
570 : /* Get the interface object for this class. This will create the object as
571 : needed. */
572 :
573 : /* Make sure our global is sane. Hopefully we can remove this sometime */
574 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
575 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
576 0 : return nullptr;
577 : }
578 :
579 : /* Check to see whether the interface objects are already installed */
580 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
581 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::HTMLMapElement)) {
582 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
583 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
584 : }
585 :
586 : /*
587 : * The object might _still_ be null, but that's OK.
588 : *
589 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
590 : * traced by TraceProtoAndIfaceCache() and its contents are never
591 : * changed after they have been set.
592 : *
593 : * Calling address() avoids the read read barrier that does gray
594 : * unmarking, but it's not possible for the object to be gray here.
595 : */
596 :
597 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::HTMLMapElement);
598 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
599 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
600 : }
601 :
602 : JSObject*
603 0 : GetConstructorObject(JSContext* aCx)
604 : {
605 0 : return GetConstructorObjectHandle(aCx);
606 : }
607 :
608 : } // namespace HTMLMapElementBinding
609 :
610 :
611 :
612 : } // namespace dom
613 : } // namespace mozilla
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