Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM DeviceLightEvent.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "AtomList.h"
4 : #include "DeviceLightEventBinding.h"
5 : #include "EventBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "mozilla/OwningNonNull.h"
8 : #include "mozilla/dom/BindingUtils.h"
9 : #include "mozilla/dom/DOMJSClass.h"
10 : #include "mozilla/dom/DeviceLightEvent.h"
11 : #include "mozilla/dom/NonRefcountedDOMObject.h"
12 : #include "mozilla/dom/PrimitiveConversions.h"
13 : #include "mozilla/dom/ScriptSettings.h"
14 : #include "mozilla/dom/XrayExpandoClass.h"
15 :
16 : namespace mozilla {
17 : namespace dom {
18 :
19 :
20 0 : DeviceLightEventInit::DeviceLightEventInit()
21 0 : : EventInit(FastDictionaryInitializer())
22 : {
23 : // Safe to pass a null context if we pass a null value
24 0 : Init(nullptr, JS::NullHandleValue);
25 0 : }
26 :
27 :
28 :
29 : bool
30 0 : DeviceLightEventInit::InitIds(JSContext* cx, DeviceLightEventInitAtoms* atomsCache)
31 : {
32 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
33 :
34 : // Initialize these in reverse order so that any failure leaves the first one
35 : // uninitialized.
36 0 : if (!atomsCache->value_id.init(cx, "value")) {
37 0 : return false;
38 : }
39 0 : return true;
40 : }
41 :
42 : bool
43 0 : DeviceLightEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
44 : {
45 : // Passing a null JSContext is OK only if we're initing from null,
46 : // Since in that case we will not have to do any property gets
47 : // Also evaluate isNullOrUndefined in order to avoid false-positive
48 : // checkers by static analysis tools
49 0 : MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
50 0 : DeviceLightEventInitAtoms* atomsCache = nullptr;
51 0 : if (cx) {
52 0 : atomsCache = GetAtomCache<DeviceLightEventInitAtoms>(cx);
53 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
54 0 : return false;
55 : }
56 : }
57 :
58 : // Per spec, we init the parent's members first
59 0 : if (!EventInit::Init(cx, val)) {
60 0 : return false;
61 : }
62 :
63 0 : bool isNull = val.isNullOrUndefined();
64 : // We only need these if !isNull, in which case we have |cx|.
65 0 : Maybe<JS::Rooted<JSObject *> > object;
66 0 : Maybe<JS::Rooted<JS::Value> > temp;
67 0 : if (!isNull) {
68 0 : MOZ_ASSERT(cx);
69 0 : object.emplace(cx, &val.toObject());
70 0 : temp.emplace(cx);
71 : }
72 0 : if (!isNull) {
73 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->value_id, temp.ptr())) {
74 0 : return false;
75 : }
76 : }
77 0 : if (!isNull && !temp->isUndefined()) {
78 0 : if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), &mValue)) {
79 0 : return false;
80 : }
81 : } else {
82 0 : mValue = mozilla::PositiveInfinity<double>();
83 : }
84 0 : mIsAnyMemberPresent = true;
85 0 : return true;
86 : }
87 :
88 : bool
89 0 : DeviceLightEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
90 : {
91 0 : DeviceLightEventInitAtoms* atomsCache = GetAtomCache<DeviceLightEventInitAtoms>(cx);
92 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
93 0 : return false;
94 : }
95 :
96 : // Per spec, we define the parent's members first
97 0 : if (!EventInit::ToObjectInternal(cx, rval)) {
98 0 : return false;
99 : }
100 0 : JS::Rooted<JSObject*> obj(cx, &rval.toObject());
101 :
102 : do {
103 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
104 0 : JS::Rooted<JS::Value> temp(cx);
105 0 : double const & currentValue = mValue;
106 0 : temp.set(JS_NumberValue(double(currentValue)));
107 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->value_id, temp, JSPROP_ENUMERATE)) {
108 0 : return false;
109 : }
110 0 : break;
111 : } while(0);
112 :
113 0 : return true;
114 : }
115 :
116 : void
117 0 : DeviceLightEventInit::TraceDictionary(JSTracer* trc)
118 : {
119 0 : EventInit::TraceDictionary(trc);
120 0 : }
121 :
122 : DeviceLightEventInit&
123 0 : DeviceLightEventInit::operator=(const DeviceLightEventInit& aOther)
124 : {
125 0 : EventInit::operator=(aOther);
126 0 : mValue = aOther.mValue;
127 0 : return *this;
128 : }
129 :
130 : namespace binding_detail {
131 : } // namespace binding_detail
132 :
133 :
134 : namespace DeviceLightEventBinding {
135 :
136 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
137 : "Can't inherit from an interface with a different ownership model.");
138 :
139 : static bool
140 0 : get_value(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceLightEvent* self, JSJitGetterCallArgs args)
141 : {
142 0 : double result(self->Value());
143 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
144 0 : args.rval().set(JS_NumberValue(double(result)));
145 0 : return true;
146 : }
147 :
148 : static const JSJitInfo value_getterinfo = {
149 : { (JSJitGetterOp)get_value },
150 : { prototypes::id::DeviceLightEvent },
151 : { PrototypeTraits<prototypes::id::DeviceLightEvent>::Depth },
152 : JSJitInfo::Getter,
153 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
154 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
155 : true, /* isInfallible. False in setters. */
156 : false, /* isMovable. Not relevant for setters. */
157 : false, /* isEliminatable. Not relevant for setters. */
158 : false, /* isAlwaysInSlot. Only relevant for getters. */
159 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
160 : false, /* isTypedMethod. Only relevant for methods. */
161 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
162 : };
163 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
164 : static_assert(0 < 1, "There is no slot for us");
165 :
166 : static bool
167 0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceLightEvent* self, JSJitGetterCallArgs args)
168 : {
169 0 : bool result(self->IsTrusted());
170 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
171 0 : args.rval().setBoolean(result);
172 0 : return true;
173 : }
174 :
175 : static const JSJitInfo isTrusted_getterinfo = {
176 : { (JSJitGetterOp)get_isTrusted },
177 : { prototypes::id::DeviceLightEvent },
178 : { PrototypeTraits<prototypes::id::DeviceLightEvent>::Depth },
179 : JSJitInfo::Getter,
180 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
181 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
182 : true, /* isInfallible. False in setters. */
183 : true, /* isMovable. Not relevant for setters. */
184 : true, /* isEliminatable. Not relevant for setters. */
185 : false, /* isAlwaysInSlot. Only relevant for getters. */
186 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
187 : false, /* isTypedMethod. Only relevant for methods. */
188 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
189 : };
190 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
191 : static_assert(0 < 1, "There is no slot for us");
192 :
193 : static bool
194 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
195 : {
196 0 : mozilla::dom::DeviceLightEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DeviceLightEvent>(obj);
197 : // We don't want to preserve if we don't have a wrapper, and we
198 : // obviously can't preserve if we're not initialized.
199 0 : if (self && self->GetWrapperPreserveColor()) {
200 0 : PreserveWrapper(self);
201 : }
202 0 : return true;
203 : }
204 :
205 : static void
206 0 : _finalize(js::FreeOp* fop, JSObject* obj)
207 : {
208 0 : mozilla::dom::DeviceLightEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DeviceLightEvent>(obj);
209 0 : if (self) {
210 0 : ClearWrapper(self, self, obj);
211 0 : AddForDeferredFinalization<mozilla::dom::DeviceLightEvent>(self);
212 : }
213 0 : }
214 :
215 : static void
216 0 : _objectMoved(JSObject* obj, const JSObject* old)
217 : {
218 0 : mozilla::dom::DeviceLightEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DeviceLightEvent>(obj);
219 0 : if (self) {
220 0 : UpdateWrapper(self, self, obj, old);
221 : }
222 0 : }
223 :
224 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
225 : #if defined(__clang__)
226 : #pragma clang diagnostic push
227 : #pragma clang diagnostic ignored "-Wmissing-braces"
228 : #endif
229 : static const JSPropertySpec sAttributes_specs[] = {
230 : { "value", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &value_getterinfo, nullptr, nullptr },
231 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
232 : };
233 : #if defined(__clang__)
234 : #pragma clang diagnostic pop
235 : #endif
236 :
237 :
238 : // Can't be const because the pref-enabled boolean needs to be writable
239 : static Prefable<const JSPropertySpec> sAttributes[] = {
240 : { nullptr, &sAttributes_specs[0] },
241 : { nullptr, nullptr }
242 : };
243 :
244 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
245 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
246 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
247 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
248 :
249 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
250 : #if defined(__clang__)
251 : #pragma clang diagnostic push
252 : #pragma clang diagnostic ignored "-Wmissing-braces"
253 : #endif
254 : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
255 : { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
256 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
257 : };
258 : #if defined(__clang__)
259 : #pragma clang diagnostic pop
260 : #endif
261 :
262 :
263 : // Can't be const because the pref-enabled boolean needs to be writable
264 : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
265 : { nullptr, &sUnforgeableAttributes_specs[0] },
266 : { nullptr, nullptr }
267 : };
268 :
269 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
270 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
271 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
272 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
273 :
274 :
275 : static uint16_t sNativeProperties_sortedPropertyIndices[2];
276 : static PropertyInfo sNativeProperties_propertyInfos[2];
277 :
278 : static const NativePropertiesN<2> sNativeProperties = {
279 : false, 0,
280 : false, 0,
281 : false, 0,
282 : true, 0 /* sAttributes */,
283 : false, 0,
284 : true, 1 /* sUnforgeableAttributes */,
285 : false, 0,
286 : -1,
287 : 2,
288 : sNativeProperties_sortedPropertyIndices,
289 : {
290 : { sAttributes, &sNativeProperties_propertyInfos[0] },
291 : { sUnforgeableAttributes, &sNativeProperties_propertyInfos[1] }
292 : }
293 : };
294 : static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
295 : "We have a property info count that is oversized");
296 :
297 : static bool
298 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
299 : {
300 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
301 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
302 0 : if (!args.isConstructing()) {
303 : // XXXbz wish I could get the name from the callee instead of
304 : // Adding more relocations
305 0 : return ThrowConstructorWithoutNew(cx, "DeviceLightEvent");
306 : }
307 :
308 0 : GlobalObject global(cx, obj);
309 0 : if (global.Failed()) {
310 0 : return false;
311 : }
312 :
313 0 : JS::Rooted<JSObject*> desiredProto(cx);
314 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
315 0 : return false;
316 : }
317 :
318 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
319 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DeviceLightEvent");
320 : }
321 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
322 0 : binding_detail::FakeString arg0;
323 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
324 0 : return false;
325 : }
326 0 : binding_detail::FastDeviceLightEventInit arg1;
327 0 : if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of DeviceLightEvent.constructor", false)) {
328 0 : return false;
329 : }
330 0 : Maybe<JSAutoCompartment> ac;
331 0 : if (objIsXray) {
332 0 : obj = js::CheckedUnwrap(obj);
333 0 : if (!obj) {
334 0 : return false;
335 : }
336 0 : ac.emplace(cx, obj);
337 0 : if (!JS_WrapObject(cx, &desiredProto)) {
338 0 : return false;
339 : }
340 : }
341 0 : binding_detail::FastErrorResult rv;
342 0 : auto result(StrongOrRawPtr<mozilla::dom::DeviceLightEvent>(mozilla::dom::DeviceLightEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
343 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
344 0 : return false;
345 : }
346 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
347 : static_assert(!IsPointer<decltype(result)>::value,
348 : "NewObject implies that we need to keep the object alive with a strong reference.");
349 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
350 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
351 0 : return false;
352 : }
353 0 : return true;
354 : }
355 :
356 : static const js::ClassOps sInterfaceObjectClassOps = {
357 : nullptr, /* addProperty */
358 : nullptr, /* delProperty */
359 : nullptr, /* getProperty */
360 : nullptr, /* setProperty */
361 : nullptr, /* enumerate */
362 : nullptr, /* newEnumerate */
363 : nullptr, /* resolve */
364 : nullptr, /* mayResolve */
365 : nullptr, /* finalize */
366 : _constructor, /* call */
367 : nullptr, /* hasInstance */
368 : _constructor, /* construct */
369 : nullptr, /* trace */
370 : };
371 :
372 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
373 : {
374 : "Function",
375 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
376 : &sInterfaceObjectClassOps,
377 : JS_NULL_CLASS_SPEC,
378 : JS_NULL_CLASS_EXT,
379 : &sInterfaceObjectClassObjectOps
380 : },
381 : eInterface,
382 : true,
383 : prototypes::id::DeviceLightEvent,
384 : PrototypeTraits<prototypes::id::DeviceLightEvent>::Depth,
385 : sNativePropertyHooks,
386 : "function DeviceLightEvent() {\n [native code]\n}",
387 : EventBinding::GetConstructorObject
388 : };
389 :
390 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
391 : {
392 : "DeviceLightEventPrototype",
393 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
394 : JS_NULL_CLASS_OPS,
395 : JS_NULL_CLASS_SPEC,
396 : JS_NULL_CLASS_EXT,
397 : JS_NULL_OBJECT_OPS
398 : },
399 : eInterfacePrototype,
400 : false,
401 : prototypes::id::DeviceLightEvent,
402 : PrototypeTraits<prototypes::id::DeviceLightEvent>::Depth,
403 : sNativePropertyHooks,
404 : "[object DeviceLightEventPrototype]",
405 : EventBinding::GetProtoObject
406 : };
407 :
408 : JSObject*
409 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
410 : {
411 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
412 : }
413 :
414 : static const js::ClassOps sClassOps = {
415 : _addProperty, /* addProperty */
416 : nullptr, /* delProperty */
417 : nullptr, /* getProperty */
418 : nullptr, /* setProperty */
419 : nullptr, /* enumerate */
420 : nullptr, /* newEnumerate */
421 : nullptr, /* resolve */
422 : nullptr, /* mayResolve */
423 : _finalize, /* finalize */
424 : nullptr, /* call */
425 : nullptr, /* hasInstance */
426 : nullptr, /* construct */
427 : nullptr, /* trace */
428 : };
429 :
430 : static const js::ClassExtension sClassExtension = {
431 : nullptr, /* weakmapKeyDelegateOp */
432 : _objectMoved /* objectMovedOp */
433 : };
434 :
435 : static const DOMJSClass sClass = {
436 : { "DeviceLightEvent",
437 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
438 : &sClassOps,
439 : JS_NULL_CLASS_SPEC,
440 : &sClassExtension,
441 : JS_NULL_OBJECT_OPS
442 : },
443 : { prototypes::id::Event, prototypes::id::DeviceLightEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
444 : IsBaseOf<nsISupports, mozilla::dom::DeviceLightEvent >::value,
445 : sNativePropertyHooks,
446 : FindAssociatedGlobalForNative<mozilla::dom::DeviceLightEvent>::Get,
447 : GetProtoObjectHandle,
448 : GetCCParticipant<mozilla::dom::DeviceLightEvent>::Get()
449 : };
450 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
451 : "Must have the right minimal number of reserved slots.");
452 : static_assert(1 >= 1,
453 : "Must have enough reserved slots.");
454 :
455 : const JSClass*
456 0 : GetJSClass()
457 : {
458 0 : return sClass.ToJSClass();
459 : }
460 :
461 : bool
462 0 : Wrap(JSContext* aCx, mozilla::dom::DeviceLightEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
463 : {
464 : MOZ_ASSERT(static_cast<mozilla::dom::DeviceLightEvent*>(aObject) ==
465 : reinterpret_cast<mozilla::dom::DeviceLightEvent*>(aObject),
466 : "Multiple inheritance for mozilla::dom::DeviceLightEvent is broken.");
467 : MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
468 : reinterpret_cast<mozilla::dom::Event*>(aObject),
469 : "Multiple inheritance for mozilla::dom::Event is broken.");
470 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
471 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
472 0 : MOZ_ASSERT(!aCache->GetWrapper(),
473 : "You should probably not be using Wrap() directly; use "
474 : "GetOrCreateDOMReflector instead");
475 :
476 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
477 : "nsISupports must be on our primary inheritance chain");
478 :
479 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
480 0 : if (!global) {
481 0 : return false;
482 : }
483 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
484 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
485 :
486 : // That might have ended up wrapping us already, due to the wonders
487 : // of XBL. Check for that, and bail out as needed.
488 0 : aReflector.set(aCache->GetWrapper());
489 0 : if (aReflector) {
490 : #ifdef DEBUG
491 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
492 : #endif // DEBUG
493 0 : return true;
494 : }
495 :
496 0 : JSAutoCompartment ac(aCx, global);
497 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
498 0 : if (!canonicalProto) {
499 0 : return false;
500 : }
501 0 : JS::Rooted<JSObject*> proto(aCx);
502 0 : if (aGivenProto) {
503 0 : proto = aGivenProto;
504 : // Unfortunately, while aGivenProto was in the compartment of aCx
505 : // coming in, we changed compartments to that of "parent" so may need
506 : // to wrap the proto here.
507 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
508 0 : if (!JS_WrapObject(aCx, &proto)) {
509 0 : return false;
510 : }
511 : }
512 : } else {
513 0 : proto = canonicalProto;
514 : }
515 :
516 0 : BindingJSObjectCreator<mozilla::dom::DeviceLightEvent> creator(aCx);
517 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
518 0 : if (!aReflector) {
519 0 : return false;
520 : }
521 :
522 0 : aCache->SetWrapper(aReflector);
523 :
524 : // Important: do unforgeable property setup after we have handed
525 : // over ownership of the C++ object to obj as needed, so that if
526 : // we fail and it ends up GCed it won't have problems in the
527 : // finalizer trying to drop its ownership of the C++ object.
528 : JS::Rooted<JSObject*> unforgeableHolder(aCx,
529 0 : &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
530 0 : if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
531 0 : aCache->ReleaseWrapper(aObject);
532 0 : aCache->ClearWrapper();
533 0 : return false;
534 : }
535 0 : creator.InitializationSucceeded();
536 :
537 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
538 : aCache->GetWrapperPreserveColor() == aReflector);
539 : // If proto != canonicalProto, we have to preserve our wrapper;
540 : // otherwise we won't be able to properly recreate it later, since
541 : // we won't know what proto to use. Note that we don't check
542 : // aGivenProto here, since it's entirely possible (and even
543 : // somewhat common) to have a non-null aGivenProto which is the
544 : // same as canonicalProto.
545 0 : if (proto != canonicalProto) {
546 0 : PreserveWrapper(aObject);
547 : }
548 :
549 0 : return true;
550 : }
551 :
552 : const NativePropertyHooks sNativePropertyHooks[] = { {
553 : nullptr,
554 : nullptr,
555 : nullptr,
556 : { sNativeProperties.Upcast(), nullptr },
557 : prototypes::id::DeviceLightEvent,
558 : constructors::id::DeviceLightEvent,
559 : EventBinding::sNativePropertyHooks,
560 : &DefaultXrayExpandoObjectClass
561 : } };
562 :
563 : void
564 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
565 : {
566 0 : JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
567 0 : if (!parentProto) {
568 0 : return;
569 : }
570 :
571 0 : JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
572 0 : if (!constructorProto) {
573 0 : return;
574 : }
575 :
576 : static bool sIdsInited = false;
577 0 : if (!sIdsInited && NS_IsMainThread()) {
578 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
579 0 : return;
580 : }
581 0 : sIdsInited = true;
582 : }
583 :
584 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DeviceLightEvent);
585 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DeviceLightEvent);
586 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
587 : &sPrototypeClass.mBase, protoCache,
588 : constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
589 : interfaceCache,
590 : sNativeProperties.Upcast(),
591 : nullptr,
592 : "DeviceLightEvent", aDefineOnGlobal,
593 : nullptr,
594 0 : false);
595 :
596 0 : JS::Rooted<JSObject*> unforgeableHolder(aCx);
597 : {
598 0 : JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
599 0 : unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
600 0 : if (!unforgeableHolder) {
601 0 : *protoCache = nullptr;
602 0 : if (interfaceCache) {
603 0 : *interfaceCache = nullptr;
604 : }
605 0 : return;
606 : }
607 : }
608 :
609 0 : if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
610 0 : *protoCache = nullptr;
611 0 : if (interfaceCache) {
612 0 : *interfaceCache = nullptr;
613 : }
614 0 : return;
615 : }
616 :
617 0 : if (*protoCache) {
618 0 : js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
619 0 : JS::ObjectValue(*unforgeableHolder));
620 : }
621 : }
622 :
623 : JS::Handle<JSObject*>
624 0 : GetProtoObjectHandle(JSContext* aCx)
625 : {
626 : /* Get the interface prototype object for this class. This will create the
627 : object as needed. */
628 0 : bool aDefineOnGlobal = true;
629 :
630 : /* Make sure our global is sane. Hopefully we can remove this sometime */
631 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
632 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
633 0 : return nullptr;
634 : }
635 :
636 : /* Check to see whether the interface objects are already installed */
637 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
638 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::DeviceLightEvent)) {
639 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
640 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
641 : }
642 :
643 : /*
644 : * The object might _still_ be null, but that's OK.
645 : *
646 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
647 : * traced by TraceProtoAndIfaceCache() and its contents are never
648 : * changed after they have been set.
649 : *
650 : * Calling address() avoids the read read barrier that does gray
651 : * unmarking, but it's not possible for the object to be gray here.
652 : */
653 :
654 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::DeviceLightEvent);
655 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
656 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
657 : }
658 :
659 : JS::Handle<JSObject*>
660 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
661 : {
662 : /* Get the interface object for this class. This will create the object as
663 : needed. */
664 :
665 : /* Make sure our global is sane. Hopefully we can remove this sometime */
666 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
667 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
668 0 : return nullptr;
669 : }
670 :
671 : /* Check to see whether the interface objects are already installed */
672 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
673 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::DeviceLightEvent)) {
674 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
675 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
676 : }
677 :
678 : /*
679 : * The object might _still_ be null, but that's OK.
680 : *
681 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
682 : * traced by TraceProtoAndIfaceCache() and its contents are never
683 : * changed after they have been set.
684 : *
685 : * Calling address() avoids the read read barrier that does gray
686 : * unmarking, but it's not possible for the object to be gray here.
687 : */
688 :
689 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::DeviceLightEvent);
690 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
691 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
692 : }
693 :
694 : JSObject*
695 0 : GetConstructorObject(JSContext* aCx)
696 : {
697 0 : return GetConstructorObjectHandle(aCx);
698 : }
699 :
700 : } // namespace DeviceLightEventBinding
701 :
702 :
703 :
704 : } // namespace dom
705 : } // namespace mozilla
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