Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM VideoPlaybackQuality.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "VideoPlaybackQualityBinding.h"
4 : #include "WrapperFactory.h"
5 : #include "mozilla/FloatingPoint.h"
6 : #include "mozilla/OwningNonNull.h"
7 : #include "mozilla/dom/BindingUtils.h"
8 : #include "mozilla/dom/DOMJSClass.h"
9 : #include "mozilla/dom/MediaSource.h"
10 : #include "mozilla/dom/NonRefcountedDOMObject.h"
11 : #include "mozilla/dom/PrimitiveConversions.h"
12 : #include "mozilla/dom/VideoPlaybackQuality.h"
13 : #include "mozilla/dom/XrayExpandoClass.h"
14 :
15 : namespace mozilla {
16 : namespace dom {
17 :
18 : namespace VideoPlaybackQualityBinding {
19 :
20 : static bool
21 0 : get_creationTime(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::VideoPlaybackQuality* self, JSJitGetterCallArgs args)
22 : {
23 0 : double result(self->CreationTime());
24 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
25 0 : args.rval().set(JS_NumberValue(double(result)));
26 0 : return true;
27 : }
28 :
29 : static const JSJitInfo creationTime_getterinfo = {
30 : { (JSJitGetterOp)get_creationTime },
31 : { prototypes::id::VideoPlaybackQuality },
32 : { PrototypeTraits<prototypes::id::VideoPlaybackQuality>::Depth },
33 : JSJitInfo::Getter,
34 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
35 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
36 : true, /* isInfallible. False in setters. */
37 : false, /* isMovable. Not relevant for setters. */
38 : false, /* isEliminatable. Not relevant for setters. */
39 : false, /* isAlwaysInSlot. Only relevant for getters. */
40 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
41 : false, /* isTypedMethod. Only relevant for methods. */
42 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
43 : };
44 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
45 : static_assert(0 < 1, "There is no slot for us");
46 :
47 : static bool
48 0 : get_totalVideoFrames(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::VideoPlaybackQuality* self, JSJitGetterCallArgs args)
49 : {
50 0 : uint32_t result(self->TotalVideoFrames());
51 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
52 0 : args.rval().setNumber(result);
53 0 : return true;
54 : }
55 :
56 : static const JSJitInfo totalVideoFrames_getterinfo = {
57 : { (JSJitGetterOp)get_totalVideoFrames },
58 : { prototypes::id::VideoPlaybackQuality },
59 : { PrototypeTraits<prototypes::id::VideoPlaybackQuality>::Depth },
60 : JSJitInfo::Getter,
61 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
62 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
63 : true, /* isInfallible. False in setters. */
64 : false, /* isMovable. Not relevant for setters. */
65 : false, /* isEliminatable. Not relevant for setters. */
66 : false, /* isAlwaysInSlot. Only relevant for getters. */
67 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
68 : false, /* isTypedMethod. Only relevant for methods. */
69 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
70 : };
71 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
72 : static_assert(0 < 1, "There is no slot for us");
73 :
74 : static bool
75 0 : get_droppedVideoFrames(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::VideoPlaybackQuality* self, JSJitGetterCallArgs args)
76 : {
77 0 : uint32_t result(self->DroppedVideoFrames());
78 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
79 0 : args.rval().setNumber(result);
80 0 : return true;
81 : }
82 :
83 : static const JSJitInfo droppedVideoFrames_getterinfo = {
84 : { (JSJitGetterOp)get_droppedVideoFrames },
85 : { prototypes::id::VideoPlaybackQuality },
86 : { PrototypeTraits<prototypes::id::VideoPlaybackQuality>::Depth },
87 : JSJitInfo::Getter,
88 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
89 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
90 : true, /* isInfallible. False in setters. */
91 : false, /* isMovable. Not relevant for setters. */
92 : false, /* isEliminatable. Not relevant for setters. */
93 : false, /* isAlwaysInSlot. Only relevant for getters. */
94 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
95 : false, /* isTypedMethod. Only relevant for methods. */
96 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
97 : };
98 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
99 : static_assert(0 < 1, "There is no slot for us");
100 :
101 : static bool
102 0 : get_corruptedVideoFrames(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::VideoPlaybackQuality* self, JSJitGetterCallArgs args)
103 : {
104 0 : uint32_t result(self->CorruptedVideoFrames());
105 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
106 0 : args.rval().setNumber(result);
107 0 : return true;
108 : }
109 :
110 : static const JSJitInfo corruptedVideoFrames_getterinfo = {
111 : { (JSJitGetterOp)get_corruptedVideoFrames },
112 : { prototypes::id::VideoPlaybackQuality },
113 : { PrototypeTraits<prototypes::id::VideoPlaybackQuality>::Depth },
114 : JSJitInfo::Getter,
115 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
116 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
117 : true, /* isInfallible. False in setters. */
118 : false, /* isMovable. Not relevant for setters. */
119 : false, /* isEliminatable. Not relevant for setters. */
120 : false, /* isAlwaysInSlot. Only relevant for getters. */
121 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
122 : false, /* isTypedMethod. Only relevant for methods. */
123 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
124 : };
125 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
126 : static_assert(0 < 1, "There is no slot for us");
127 :
128 : static bool
129 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
130 : {
131 0 : mozilla::dom::VideoPlaybackQuality* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::VideoPlaybackQuality>(obj);
132 : // We don't want to preserve if we don't have a wrapper, and we
133 : // obviously can't preserve if we're not initialized.
134 0 : if (self && self->GetWrapperPreserveColor()) {
135 0 : PreserveWrapper(self);
136 : }
137 0 : return true;
138 : }
139 :
140 : static void
141 0 : _finalize(js::FreeOp* fop, JSObject* obj)
142 : {
143 0 : mozilla::dom::VideoPlaybackQuality* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::VideoPlaybackQuality>(obj);
144 0 : if (self) {
145 0 : ClearWrapper(self, self, obj);
146 0 : AddForDeferredFinalization<mozilla::dom::VideoPlaybackQuality>(self);
147 : }
148 0 : }
149 :
150 : static void
151 0 : _objectMoved(JSObject* obj, const JSObject* old)
152 : {
153 0 : mozilla::dom::VideoPlaybackQuality* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::VideoPlaybackQuality>(obj);
154 0 : if (self) {
155 0 : UpdateWrapper(self, self, obj, old);
156 : }
157 0 : }
158 :
159 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
160 : #if defined(__clang__)
161 : #pragma clang diagnostic push
162 : #pragma clang diagnostic ignored "-Wmissing-braces"
163 : #endif
164 : static const JSPropertySpec sAttributes_specs[] = {
165 : { "creationTime", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &creationTime_getterinfo, nullptr, nullptr },
166 : { "totalVideoFrames", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &totalVideoFrames_getterinfo, nullptr, nullptr },
167 : { "droppedVideoFrames", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &droppedVideoFrames_getterinfo, nullptr, nullptr },
168 : { "corruptedVideoFrames", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &corruptedVideoFrames_getterinfo, nullptr, nullptr },
169 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
170 : };
171 : #if defined(__clang__)
172 : #pragma clang diagnostic pop
173 : #endif
174 :
175 :
176 : // Can't be const because the pref-enabled boolean needs to be writable
177 : static Prefable<const JSPropertySpec> sAttributes[] = {
178 : { nullptr, &sAttributes_specs[0] },
179 : { nullptr, nullptr }
180 : };
181 :
182 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
183 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
184 : static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
185 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
186 :
187 :
188 : static uint16_t sNativeProperties_sortedPropertyIndices[4];
189 : static PropertyInfo sNativeProperties_propertyInfos[4];
190 :
191 : static const NativePropertiesN<1> sNativeProperties = {
192 : false, 0,
193 : false, 0,
194 : false, 0,
195 : true, 0 /* sAttributes */,
196 : false, 0,
197 : false, 0,
198 : false, 0,
199 : -1,
200 : 4,
201 : sNativeProperties_sortedPropertyIndices,
202 : {
203 : { sAttributes, &sNativeProperties_propertyInfos[0] }
204 : }
205 : };
206 : static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
207 : "We have a property info count that is oversized");
208 :
209 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
210 : {
211 : "Function",
212 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
213 : &sBoringInterfaceObjectClassClassOps,
214 : JS_NULL_CLASS_SPEC,
215 : JS_NULL_CLASS_EXT,
216 : &sInterfaceObjectClassObjectOps
217 : },
218 : eInterface,
219 : true,
220 : prototypes::id::VideoPlaybackQuality,
221 : PrototypeTraits<prototypes::id::VideoPlaybackQuality>::Depth,
222 : sNativePropertyHooks,
223 : "function VideoPlaybackQuality() {\n [native code]\n}",
224 : JS::GetRealmFunctionPrototype
225 : };
226 :
227 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
228 : {
229 : "VideoPlaybackQualityPrototype",
230 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
231 : JS_NULL_CLASS_OPS,
232 : JS_NULL_CLASS_SPEC,
233 : JS_NULL_CLASS_EXT,
234 : JS_NULL_OBJECT_OPS
235 : },
236 : eInterfacePrototype,
237 : false,
238 : prototypes::id::VideoPlaybackQuality,
239 : PrototypeTraits<prototypes::id::VideoPlaybackQuality>::Depth,
240 : sNativePropertyHooks,
241 : "[object VideoPlaybackQualityPrototype]",
242 : JS::GetRealmObjectPrototype
243 : };
244 :
245 : bool
246 0 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
247 : {
248 0 : return mozilla::dom::MediaSource::Enabled(aCx, aObj);
249 : }
250 :
251 : JSObject*
252 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
253 : {
254 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
255 : }
256 :
257 : static const js::ClassOps sClassOps = {
258 : _addProperty, /* addProperty */
259 : nullptr, /* delProperty */
260 : nullptr, /* getProperty */
261 : nullptr, /* setProperty */
262 : nullptr, /* enumerate */
263 : nullptr, /* newEnumerate */
264 : nullptr, /* resolve */
265 : nullptr, /* mayResolve */
266 : _finalize, /* finalize */
267 : nullptr, /* call */
268 : nullptr, /* hasInstance */
269 : nullptr, /* construct */
270 : nullptr, /* trace */
271 : };
272 :
273 : static const js::ClassExtension sClassExtension = {
274 : nullptr, /* weakmapKeyDelegateOp */
275 : _objectMoved /* objectMovedOp */
276 : };
277 :
278 : static const DOMJSClass sClass = {
279 : { "VideoPlaybackQuality",
280 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
281 : &sClassOps,
282 : JS_NULL_CLASS_SPEC,
283 : &sClassExtension,
284 : JS_NULL_OBJECT_OPS
285 : },
286 : { prototypes::id::VideoPlaybackQuality, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
287 : IsBaseOf<nsISupports, mozilla::dom::VideoPlaybackQuality >::value,
288 : sNativePropertyHooks,
289 : FindAssociatedGlobalForNative<mozilla::dom::VideoPlaybackQuality>::Get,
290 : GetProtoObjectHandle,
291 : GetCCParticipant<mozilla::dom::VideoPlaybackQuality>::Get()
292 : };
293 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
294 : "Must have the right minimal number of reserved slots.");
295 : static_assert(1 >= 1,
296 : "Must have enough reserved slots.");
297 :
298 : const JSClass*
299 0 : GetJSClass()
300 : {
301 0 : return sClass.ToJSClass();
302 : }
303 :
304 : bool
305 0 : Wrap(JSContext* aCx, mozilla::dom::VideoPlaybackQuality* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
306 : {
307 : MOZ_ASSERT(static_cast<mozilla::dom::VideoPlaybackQuality*>(aObject) ==
308 : reinterpret_cast<mozilla::dom::VideoPlaybackQuality*>(aObject),
309 : "Multiple inheritance for mozilla::dom::VideoPlaybackQuality is broken.");
310 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
311 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
312 0 : MOZ_ASSERT(!aCache->GetWrapper(),
313 : "You should probably not be using Wrap() directly; use "
314 : "GetOrCreateDOMReflector instead");
315 :
316 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
317 : "nsISupports must be on our primary inheritance chain");
318 :
319 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
320 0 : if (!global) {
321 0 : return false;
322 : }
323 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
324 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
325 :
326 : // That might have ended up wrapping us already, due to the wonders
327 : // of XBL. Check for that, and bail out as needed.
328 0 : aReflector.set(aCache->GetWrapper());
329 0 : if (aReflector) {
330 : #ifdef DEBUG
331 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
332 : #endif // DEBUG
333 0 : return true;
334 : }
335 :
336 0 : JSAutoCompartment ac(aCx, global);
337 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
338 0 : if (!canonicalProto) {
339 0 : return false;
340 : }
341 0 : JS::Rooted<JSObject*> proto(aCx);
342 0 : if (aGivenProto) {
343 0 : proto = aGivenProto;
344 : // Unfortunately, while aGivenProto was in the compartment of aCx
345 : // coming in, we changed compartments to that of "parent" so may need
346 : // to wrap the proto here.
347 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
348 0 : if (!JS_WrapObject(aCx, &proto)) {
349 0 : return false;
350 : }
351 : }
352 : } else {
353 0 : proto = canonicalProto;
354 : }
355 :
356 0 : BindingJSObjectCreator<mozilla::dom::VideoPlaybackQuality> creator(aCx);
357 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
358 0 : if (!aReflector) {
359 0 : return false;
360 : }
361 :
362 0 : aCache->SetWrapper(aReflector);
363 0 : creator.InitializationSucceeded();
364 :
365 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
366 : aCache->GetWrapperPreserveColor() == aReflector);
367 : // If proto != canonicalProto, we have to preserve our wrapper;
368 : // otherwise we won't be able to properly recreate it later, since
369 : // we won't know what proto to use. Note that we don't check
370 : // aGivenProto here, since it's entirely possible (and even
371 : // somewhat common) to have a non-null aGivenProto which is the
372 : // same as canonicalProto.
373 0 : if (proto != canonicalProto) {
374 0 : PreserveWrapper(aObject);
375 : }
376 :
377 0 : return true;
378 : }
379 :
380 : const NativePropertyHooks sNativePropertyHooks[] = { {
381 : nullptr,
382 : nullptr,
383 : nullptr,
384 : { sNativeProperties.Upcast(), nullptr },
385 : prototypes::id::VideoPlaybackQuality,
386 : constructors::id::VideoPlaybackQuality,
387 : nullptr,
388 : &DefaultXrayExpandoObjectClass
389 : } };
390 :
391 : void
392 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
393 : {
394 0 : JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
395 0 : if (!parentProto) {
396 0 : return;
397 : }
398 :
399 0 : JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
400 0 : if (!constructorProto) {
401 0 : return;
402 : }
403 :
404 : static bool sIdsInited = false;
405 0 : if (!sIdsInited && NS_IsMainThread()) {
406 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
407 0 : return;
408 : }
409 0 : sIdsInited = true;
410 : }
411 :
412 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::VideoPlaybackQuality);
413 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::VideoPlaybackQuality);
414 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
415 : &sPrototypeClass.mBase, protoCache,
416 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
417 : interfaceCache,
418 : sNativeProperties.Upcast(),
419 : nullptr,
420 : "VideoPlaybackQuality", aDefineOnGlobal,
421 : nullptr,
422 0 : false);
423 : }
424 :
425 : JS::Handle<JSObject*>
426 0 : GetProtoObjectHandle(JSContext* aCx)
427 : {
428 : /* Get the interface prototype object for this class. This will create the
429 : object as needed. */
430 0 : bool aDefineOnGlobal = true;
431 :
432 : /* Make sure our global is sane. Hopefully we can remove this sometime */
433 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
434 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
435 0 : return nullptr;
436 : }
437 :
438 : /* Check to see whether the interface objects are already installed */
439 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
440 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::VideoPlaybackQuality)) {
441 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
442 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
443 : }
444 :
445 : /*
446 : * The object might _still_ be null, but that's OK.
447 : *
448 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
449 : * traced by TraceProtoAndIfaceCache() and its contents are never
450 : * changed after they have been set.
451 : *
452 : * Calling address() avoids the read read barrier that does gray
453 : * unmarking, but it's not possible for the object to be gray here.
454 : */
455 :
456 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::VideoPlaybackQuality);
457 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
458 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
459 : }
460 :
461 : JS::Handle<JSObject*>
462 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
463 : {
464 : /* Get the interface object for this class. This will create the object as
465 : needed. */
466 :
467 : /* Make sure our global is sane. Hopefully we can remove this sometime */
468 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
469 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
470 0 : return nullptr;
471 : }
472 :
473 : /* Check to see whether the interface objects are already installed */
474 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
475 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::VideoPlaybackQuality)) {
476 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
477 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
478 : }
479 :
480 : /*
481 : * The object might _still_ be null, but that's OK.
482 : *
483 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
484 : * traced by TraceProtoAndIfaceCache() and its contents are never
485 : * changed after they have been set.
486 : *
487 : * Calling address() avoids the read read barrier that does gray
488 : * unmarking, but it's not possible for the object to be gray here.
489 : */
490 :
491 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::VideoPlaybackQuality);
492 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
493 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
494 : }
495 :
496 : JSObject*
497 0 : GetConstructorObject(JSContext* aCx)
498 : {
499 0 : return GetConstructorObjectHandle(aCx);
500 : }
501 :
502 : } // namespace VideoPlaybackQualityBinding
503 :
504 :
505 :
506 : } // namespace dom
507 : } // namespace mozilla
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