Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM ScrollViewChangeEvent.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "AtomList.h"
4 : #include "EventBinding.h"
5 : #include "ScrollViewChangeEventBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "jsapi.h"
8 : #include "mozilla/OwningNonNull.h"
9 : #include "mozilla/dom/BindingUtils.h"
10 : #include "mozilla/dom/DOMJSClass.h"
11 : #include "mozilla/dom/NonRefcountedDOMObject.h"
12 : #include "mozilla/dom/PrimitiveConversions.h"
13 : #include "mozilla/dom/ScriptSettings.h"
14 : #include "mozilla/dom/ScrollViewChangeEvent.h"
15 : #include "mozilla/dom/SimpleGlobalObject.h"
16 : #include "mozilla/dom/XrayExpandoClass.h"
17 : #include "nsContentUtils.h"
18 :
19 : namespace mozilla {
20 : namespace dom {
21 :
22 : namespace ScrollStateValues {
23 : extern const EnumEntry strings[3] = {
24 : {"started", 7},
25 : {"stopped", 7},
26 : { nullptr, 0 }
27 : };
28 : } // namespace ScrollStateValues
29 :
30 : bool
31 0 : ToJSValue(JSContext* aCx, ScrollState aArgument, JS::MutableHandle<JS::Value> aValue)
32 : {
33 0 : MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(ScrollStateValues::strings));
34 : JSString* resultStr =
35 0 : JS_NewStringCopyN(aCx, ScrollStateValues::strings[uint32_t(aArgument)].value,
36 0 : ScrollStateValues::strings[uint32_t(aArgument)].length);
37 0 : if (!resultStr) {
38 0 : return false;
39 : }
40 0 : aValue.setString(resultStr);
41 0 : return true;
42 : }
43 :
44 :
45 :
46 0 : ScrollViewChangeEventInit::ScrollViewChangeEventInit()
47 0 : : EventInit(FastDictionaryInitializer())
48 : {
49 : // Safe to pass a null context if we pass a null value
50 0 : Init(nullptr, JS::NullHandleValue);
51 0 : }
52 :
53 :
54 :
55 : bool
56 0 : ScrollViewChangeEventInit::InitIds(JSContext* cx, ScrollViewChangeEventInitAtoms* atomsCache)
57 : {
58 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
59 :
60 : // Initialize these in reverse order so that any failure leaves the first one
61 : // uninitialized.
62 0 : if (!atomsCache->state_id.init(cx, "state")) {
63 0 : return false;
64 : }
65 0 : return true;
66 : }
67 :
68 : bool
69 0 : ScrollViewChangeEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
70 : {
71 : // Passing a null JSContext is OK only if we're initing from null,
72 : // Since in that case we will not have to do any property gets
73 : // Also evaluate isNullOrUndefined in order to avoid false-positive
74 : // checkers by static analysis tools
75 0 : MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
76 0 : ScrollViewChangeEventInitAtoms* atomsCache = nullptr;
77 0 : if (cx) {
78 0 : atomsCache = GetAtomCache<ScrollViewChangeEventInitAtoms>(cx);
79 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
80 0 : return false;
81 : }
82 : }
83 :
84 : // Per spec, we init the parent's members first
85 0 : if (!EventInit::Init(cx, val)) {
86 0 : return false;
87 : }
88 :
89 0 : bool isNull = val.isNullOrUndefined();
90 : // We only need these if !isNull, in which case we have |cx|.
91 0 : Maybe<JS::Rooted<JSObject *> > object;
92 0 : Maybe<JS::Rooted<JS::Value> > temp;
93 0 : if (!isNull) {
94 0 : MOZ_ASSERT(cx);
95 0 : object.emplace(cx, &val.toObject());
96 0 : temp.emplace(cx);
97 : }
98 0 : if (!isNull) {
99 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->state_id, temp.ptr())) {
100 0 : return false;
101 : }
102 : }
103 0 : if (!isNull && !temp->isUndefined()) {
104 : {
105 : int index;
106 0 : if (!FindEnumStringIndex<true>(cx, temp.ref(), ScrollStateValues::strings, "ScrollState", "'state' member of ScrollViewChangeEventInit", &index)) {
107 0 : return false;
108 : }
109 0 : MOZ_ASSERT(index >= 0);
110 0 : mState = static_cast<ScrollState>(index);
111 : }
112 : } else {
113 0 : mState = ScrollState::Started;
114 : }
115 0 : mIsAnyMemberPresent = true;
116 0 : return true;
117 : }
118 :
119 : bool
120 0 : ScrollViewChangeEventInit::Init(const nsAString& aJSON)
121 : {
122 0 : AutoJSAPI jsapi;
123 0 : JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
124 0 : if (!cleanGlobal) {
125 0 : return false;
126 : }
127 0 : if (!jsapi.Init(cleanGlobal)) {
128 0 : return false;
129 : }
130 0 : JSContext* cx = jsapi.cx();
131 0 : JS::Rooted<JS::Value> json(cx);
132 0 : bool ok = ParseJSON(cx, aJSON, &json);
133 0 : NS_ENSURE_TRUE(ok, false);
134 0 : return Init(cx, json);
135 : }
136 :
137 : bool
138 0 : ScrollViewChangeEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
139 : {
140 0 : ScrollViewChangeEventInitAtoms* atomsCache = GetAtomCache<ScrollViewChangeEventInitAtoms>(cx);
141 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
142 0 : return false;
143 : }
144 :
145 : // Per spec, we define the parent's members first
146 0 : if (!EventInit::ToObjectInternal(cx, rval)) {
147 0 : return false;
148 : }
149 0 : JS::Rooted<JSObject*> obj(cx, &rval.toObject());
150 :
151 : do {
152 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
153 0 : JS::Rooted<JS::Value> temp(cx);
154 0 : ScrollState const & currentValue = mState;
155 0 : if (!ToJSValue(cx, currentValue, &temp)) {
156 0 : return false;
157 : }
158 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->state_id, temp, JSPROP_ENUMERATE)) {
159 0 : return false;
160 : }
161 0 : break;
162 : } while(0);
163 :
164 0 : return true;
165 : }
166 :
167 : bool
168 0 : ScrollViewChangeEventInit::ToJSON(nsAString& aJSON) const
169 : {
170 0 : AutoJSAPI jsapi;
171 0 : jsapi.Init();
172 0 : JSContext *cx = jsapi.cx();
173 : // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
174 : // because we'll only be creating objects, in ways that have no
175 : // side-effects, followed by a call to JS::ToJSONMaybeSafely,
176 : // which likewise guarantees no side-effects for the sorts of
177 : // things we will pass it.
178 0 : JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
179 0 : JS::Rooted<JS::Value> val(cx);
180 0 : if (!ToObjectInternal(cx, &val)) {
181 0 : return false;
182 : }
183 0 : JS::Rooted<JSObject*> obj(cx, &val.toObject());
184 0 : return StringifyToJSON(cx, obj, aJSON);
185 : }
186 :
187 : void
188 0 : ScrollViewChangeEventInit::TraceDictionary(JSTracer* trc)
189 : {
190 0 : EventInit::TraceDictionary(trc);
191 0 : }
192 :
193 : ScrollViewChangeEventInit&
194 0 : ScrollViewChangeEventInit::operator=(const ScrollViewChangeEventInit& aOther)
195 : {
196 0 : EventInit::operator=(aOther);
197 0 : mState = aOther.mState;
198 0 : return *this;
199 : }
200 :
201 : namespace binding_detail {
202 : } // namespace binding_detail
203 :
204 :
205 : namespace ScrollViewChangeEventBinding {
206 :
207 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
208 : "Can't inherit from an interface with a different ownership model.");
209 :
210 : static bool
211 0 : get_state(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScrollViewChangeEvent* self, JSJitGetterCallArgs args)
212 : {
213 0 : ScrollState result(self->State());
214 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
215 0 : if (!ToJSValue(cx, result, args.rval())) {
216 0 : return false;
217 : }
218 0 : return true;
219 : }
220 :
221 : static const JSJitInfo state_getterinfo = {
222 : { (JSJitGetterOp)get_state },
223 : { prototypes::id::ScrollViewChangeEvent },
224 : { PrototypeTraits<prototypes::id::ScrollViewChangeEvent>::Depth },
225 : JSJitInfo::Getter,
226 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
227 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
228 : false, /* isInfallible. False in setters. */
229 : false, /* isMovable. Not relevant for setters. */
230 : false, /* isEliminatable. Not relevant for setters. */
231 : false, /* isAlwaysInSlot. Only relevant for getters. */
232 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
233 : false, /* isTypedMethod. Only relevant for methods. */
234 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
235 : };
236 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
237 : static_assert(0 < 1, "There is no slot for us");
238 :
239 : static bool
240 0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScrollViewChangeEvent* self, JSJitGetterCallArgs args)
241 : {
242 0 : bool result(self->IsTrusted());
243 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
244 0 : args.rval().setBoolean(result);
245 0 : return true;
246 : }
247 :
248 : static const JSJitInfo isTrusted_getterinfo = {
249 : { (JSJitGetterOp)get_isTrusted },
250 : { prototypes::id::ScrollViewChangeEvent },
251 : { PrototypeTraits<prototypes::id::ScrollViewChangeEvent>::Depth },
252 : JSJitInfo::Getter,
253 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
254 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
255 : true, /* isInfallible. False in setters. */
256 : true, /* isMovable. Not relevant for setters. */
257 : true, /* isEliminatable. Not relevant for setters. */
258 : false, /* isAlwaysInSlot. Only relevant for getters. */
259 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
260 : false, /* isTypedMethod. Only relevant for methods. */
261 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
262 : };
263 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
264 : static_assert(0 < 1, "There is no slot for us");
265 :
266 : static bool
267 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
268 : {
269 0 : mozilla::dom::ScrollViewChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ScrollViewChangeEvent>(obj);
270 : // We don't want to preserve if we don't have a wrapper, and we
271 : // obviously can't preserve if we're not initialized.
272 0 : if (self && self->GetWrapperPreserveColor()) {
273 0 : PreserveWrapper(self);
274 : }
275 0 : return true;
276 : }
277 :
278 : static void
279 0 : _finalize(js::FreeOp* fop, JSObject* obj)
280 : {
281 0 : mozilla::dom::ScrollViewChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ScrollViewChangeEvent>(obj);
282 0 : if (self) {
283 0 : ClearWrapper(self, self, obj);
284 0 : AddForDeferredFinalization<mozilla::dom::ScrollViewChangeEvent>(self);
285 : }
286 0 : }
287 :
288 : static void
289 0 : _objectMoved(JSObject* obj, const JSObject* old)
290 : {
291 0 : mozilla::dom::ScrollViewChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ScrollViewChangeEvent>(obj);
292 0 : if (self) {
293 0 : UpdateWrapper(self, self, obj, old);
294 : }
295 0 : }
296 :
297 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
298 : #if defined(__clang__)
299 : #pragma clang diagnostic push
300 : #pragma clang diagnostic ignored "-Wmissing-braces"
301 : #endif
302 : static const JSPropertySpec sAttributes_specs[] = {
303 : { "state", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &state_getterinfo, nullptr, nullptr },
304 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
305 : };
306 : #if defined(__clang__)
307 : #pragma clang diagnostic pop
308 : #endif
309 :
310 :
311 : // Can't be const because the pref-enabled boolean needs to be writable
312 : static Prefable<const JSPropertySpec> sAttributes[] = {
313 : { nullptr, &sAttributes_specs[0] },
314 : { nullptr, nullptr }
315 : };
316 :
317 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
318 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
319 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
320 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
321 :
322 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
323 : #if defined(__clang__)
324 : #pragma clang diagnostic push
325 : #pragma clang diagnostic ignored "-Wmissing-braces"
326 : #endif
327 : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
328 : { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
329 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
330 : };
331 : #if defined(__clang__)
332 : #pragma clang diagnostic pop
333 : #endif
334 :
335 :
336 : // Can't be const because the pref-enabled boolean needs to be writable
337 : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
338 : { nullptr, &sUnforgeableAttributes_specs[0] },
339 : { nullptr, nullptr }
340 : };
341 :
342 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
343 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
344 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
345 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
346 :
347 :
348 : static uint16_t sNativeProperties_sortedPropertyIndices[2];
349 : static PropertyInfo sNativeProperties_propertyInfos[2];
350 :
351 : static const NativePropertiesN<2> sNativeProperties = {
352 : false, 0,
353 : false, 0,
354 : false, 0,
355 : true, 0 /* sAttributes */,
356 : false, 0,
357 : true, 1 /* sUnforgeableAttributes */,
358 : false, 0,
359 : -1,
360 : 2,
361 : sNativeProperties_sortedPropertyIndices,
362 : {
363 : { sAttributes, &sNativeProperties_propertyInfos[0] },
364 : { sUnforgeableAttributes, &sNativeProperties_propertyInfos[1] }
365 : }
366 : };
367 : static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
368 : "We have a property info count that is oversized");
369 :
370 : static bool
371 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
372 : {
373 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
374 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
375 0 : if (!args.isConstructing()) {
376 : // XXXbz wish I could get the name from the callee instead of
377 : // Adding more relocations
378 0 : return ThrowConstructorWithoutNew(cx, "ScrollViewChangeEvent");
379 : }
380 :
381 0 : GlobalObject global(cx, obj);
382 0 : if (global.Failed()) {
383 0 : return false;
384 : }
385 :
386 0 : JS::Rooted<JSObject*> desiredProto(cx);
387 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
388 0 : return false;
389 : }
390 :
391 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
392 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ScrollViewChangeEvent");
393 : }
394 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
395 0 : binding_detail::FakeString arg0;
396 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
397 0 : return false;
398 : }
399 0 : binding_detail::FastScrollViewChangeEventInit arg1;
400 0 : if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of ScrollViewChangeEvent.constructor", false)) {
401 0 : return false;
402 : }
403 0 : Maybe<JSAutoCompartment> ac;
404 0 : if (objIsXray) {
405 0 : obj = js::CheckedUnwrap(obj);
406 0 : if (!obj) {
407 0 : return false;
408 : }
409 0 : ac.emplace(cx, obj);
410 0 : if (!JS_WrapObject(cx, &desiredProto)) {
411 0 : return false;
412 : }
413 : }
414 0 : binding_detail::FastErrorResult rv;
415 0 : auto result(StrongOrRawPtr<mozilla::dom::ScrollViewChangeEvent>(mozilla::dom::ScrollViewChangeEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
416 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
417 0 : return false;
418 : }
419 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
420 : static_assert(!IsPointer<decltype(result)>::value,
421 : "NewObject implies that we need to keep the object alive with a strong reference.");
422 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
423 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
424 0 : return false;
425 : }
426 0 : return true;
427 : }
428 :
429 : static const js::ClassOps sInterfaceObjectClassOps = {
430 : nullptr, /* addProperty */
431 : nullptr, /* delProperty */
432 : nullptr, /* getProperty */
433 : nullptr, /* setProperty */
434 : nullptr, /* enumerate */
435 : nullptr, /* newEnumerate */
436 : nullptr, /* resolve */
437 : nullptr, /* mayResolve */
438 : nullptr, /* finalize */
439 : _constructor, /* call */
440 : nullptr, /* hasInstance */
441 : _constructor, /* construct */
442 : nullptr, /* trace */
443 : };
444 :
445 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
446 : {
447 : "Function",
448 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
449 : &sInterfaceObjectClassOps,
450 : JS_NULL_CLASS_SPEC,
451 : JS_NULL_CLASS_EXT,
452 : &sInterfaceObjectClassObjectOps
453 : },
454 : eInterface,
455 : true,
456 : prototypes::id::ScrollViewChangeEvent,
457 : PrototypeTraits<prototypes::id::ScrollViewChangeEvent>::Depth,
458 : sNativePropertyHooks,
459 : "function ScrollViewChangeEvent() {\n [native code]\n}",
460 : EventBinding::GetConstructorObject
461 : };
462 :
463 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
464 : {
465 : "ScrollViewChangeEventPrototype",
466 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
467 : JS_NULL_CLASS_OPS,
468 : JS_NULL_CLASS_SPEC,
469 : JS_NULL_CLASS_EXT,
470 : JS_NULL_OBJECT_OPS
471 : },
472 : eInterfacePrototype,
473 : false,
474 : prototypes::id::ScrollViewChangeEvent,
475 : PrototypeTraits<prototypes::id::ScrollViewChangeEvent>::Depth,
476 : sNativePropertyHooks,
477 : "[object ScrollViewChangeEventPrototype]",
478 : EventBinding::GetProtoObject
479 : };
480 :
481 : bool
482 0 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
483 : {
484 0 : return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
485 : }
486 :
487 : JSObject*
488 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
489 : {
490 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
491 : }
492 :
493 : static const js::ClassOps sClassOps = {
494 : _addProperty, /* addProperty */
495 : nullptr, /* delProperty */
496 : nullptr, /* getProperty */
497 : nullptr, /* setProperty */
498 : nullptr, /* enumerate */
499 : nullptr, /* newEnumerate */
500 : nullptr, /* resolve */
501 : nullptr, /* mayResolve */
502 : _finalize, /* finalize */
503 : nullptr, /* call */
504 : nullptr, /* hasInstance */
505 : nullptr, /* construct */
506 : nullptr, /* trace */
507 : };
508 :
509 : static const js::ClassExtension sClassExtension = {
510 : nullptr, /* weakmapKeyDelegateOp */
511 : _objectMoved /* objectMovedOp */
512 : };
513 :
514 : static const DOMJSClass sClass = {
515 : { "ScrollViewChangeEvent",
516 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
517 : &sClassOps,
518 : JS_NULL_CLASS_SPEC,
519 : &sClassExtension,
520 : JS_NULL_OBJECT_OPS
521 : },
522 : { prototypes::id::Event, prototypes::id::ScrollViewChangeEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
523 : IsBaseOf<nsISupports, mozilla::dom::ScrollViewChangeEvent >::value,
524 : sNativePropertyHooks,
525 : FindAssociatedGlobalForNative<mozilla::dom::ScrollViewChangeEvent>::Get,
526 : GetProtoObjectHandle,
527 : GetCCParticipant<mozilla::dom::ScrollViewChangeEvent>::Get()
528 : };
529 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
530 : "Must have the right minimal number of reserved slots.");
531 : static_assert(1 >= 1,
532 : "Must have enough reserved slots.");
533 :
534 : const JSClass*
535 0 : GetJSClass()
536 : {
537 0 : return sClass.ToJSClass();
538 : }
539 :
540 : bool
541 0 : Wrap(JSContext* aCx, mozilla::dom::ScrollViewChangeEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
542 : {
543 : MOZ_ASSERT(static_cast<mozilla::dom::ScrollViewChangeEvent*>(aObject) ==
544 : reinterpret_cast<mozilla::dom::ScrollViewChangeEvent*>(aObject),
545 : "Multiple inheritance for mozilla::dom::ScrollViewChangeEvent is broken.");
546 : MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
547 : reinterpret_cast<mozilla::dom::Event*>(aObject),
548 : "Multiple inheritance for mozilla::dom::Event is broken.");
549 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
550 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
551 0 : MOZ_ASSERT(!aCache->GetWrapper(),
552 : "You should probably not be using Wrap() directly; use "
553 : "GetOrCreateDOMReflector instead");
554 :
555 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
556 : "nsISupports must be on our primary inheritance chain");
557 :
558 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
559 0 : if (!global) {
560 0 : return false;
561 : }
562 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
563 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
564 :
565 : // That might have ended up wrapping us already, due to the wonders
566 : // of XBL. Check for that, and bail out as needed.
567 0 : aReflector.set(aCache->GetWrapper());
568 0 : if (aReflector) {
569 : #ifdef DEBUG
570 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
571 : #endif // DEBUG
572 0 : return true;
573 : }
574 :
575 0 : JSAutoCompartment ac(aCx, global);
576 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
577 0 : if (!canonicalProto) {
578 0 : return false;
579 : }
580 0 : JS::Rooted<JSObject*> proto(aCx);
581 0 : if (aGivenProto) {
582 0 : proto = aGivenProto;
583 : // Unfortunately, while aGivenProto was in the compartment of aCx
584 : // coming in, we changed compartments to that of "parent" so may need
585 : // to wrap the proto here.
586 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
587 0 : if (!JS_WrapObject(aCx, &proto)) {
588 0 : return false;
589 : }
590 : }
591 : } else {
592 0 : proto = canonicalProto;
593 : }
594 :
595 0 : BindingJSObjectCreator<mozilla::dom::ScrollViewChangeEvent> creator(aCx);
596 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
597 0 : if (!aReflector) {
598 0 : return false;
599 : }
600 :
601 0 : aCache->SetWrapper(aReflector);
602 :
603 : // Important: do unforgeable property setup after we have handed
604 : // over ownership of the C++ object to obj as needed, so that if
605 : // we fail and it ends up GCed it won't have problems in the
606 : // finalizer trying to drop its ownership of the C++ object.
607 : JS::Rooted<JSObject*> unforgeableHolder(aCx,
608 0 : &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
609 0 : if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
610 0 : aCache->ReleaseWrapper(aObject);
611 0 : aCache->ClearWrapper();
612 0 : return false;
613 : }
614 0 : creator.InitializationSucceeded();
615 :
616 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
617 : aCache->GetWrapperPreserveColor() == aReflector);
618 : // If proto != canonicalProto, we have to preserve our wrapper;
619 : // otherwise we won't be able to properly recreate it later, since
620 : // we won't know what proto to use. Note that we don't check
621 : // aGivenProto here, since it's entirely possible (and even
622 : // somewhat common) to have a non-null aGivenProto which is the
623 : // same as canonicalProto.
624 0 : if (proto != canonicalProto) {
625 0 : PreserveWrapper(aObject);
626 : }
627 :
628 0 : return true;
629 : }
630 :
631 : const NativePropertyHooks sNativePropertyHooks[] = { {
632 : nullptr,
633 : nullptr,
634 : nullptr,
635 : { sNativeProperties.Upcast(), nullptr },
636 : prototypes::id::ScrollViewChangeEvent,
637 : constructors::id::ScrollViewChangeEvent,
638 : EventBinding::sNativePropertyHooks,
639 : &DefaultXrayExpandoObjectClass
640 : } };
641 :
642 : void
643 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
644 : {
645 0 : JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
646 0 : if (!parentProto) {
647 0 : return;
648 : }
649 :
650 0 : JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
651 0 : if (!constructorProto) {
652 0 : return;
653 : }
654 :
655 : static bool sIdsInited = false;
656 0 : if (!sIdsInited && NS_IsMainThread()) {
657 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
658 0 : return;
659 : }
660 0 : sIdsInited = true;
661 : }
662 :
663 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ScrollViewChangeEvent);
664 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ScrollViewChangeEvent);
665 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
666 : &sPrototypeClass.mBase, protoCache,
667 : constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
668 : interfaceCache,
669 : sNativeProperties.Upcast(),
670 : nullptr,
671 : "ScrollViewChangeEvent", aDefineOnGlobal,
672 : nullptr,
673 0 : false);
674 :
675 0 : JS::Rooted<JSObject*> unforgeableHolder(aCx);
676 : {
677 0 : JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
678 0 : unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
679 0 : if (!unforgeableHolder) {
680 0 : *protoCache = nullptr;
681 0 : if (interfaceCache) {
682 0 : *interfaceCache = nullptr;
683 : }
684 0 : return;
685 : }
686 : }
687 :
688 0 : if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
689 0 : *protoCache = nullptr;
690 0 : if (interfaceCache) {
691 0 : *interfaceCache = nullptr;
692 : }
693 0 : return;
694 : }
695 :
696 0 : if (*protoCache) {
697 0 : js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
698 0 : JS::ObjectValue(*unforgeableHolder));
699 : }
700 : }
701 :
702 : JS::Handle<JSObject*>
703 0 : GetProtoObjectHandle(JSContext* aCx)
704 : {
705 : /* Get the interface prototype object for this class. This will create the
706 : object as needed. */
707 0 : bool aDefineOnGlobal = true;
708 :
709 : /* Make sure our global is sane. Hopefully we can remove this sometime */
710 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
711 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
712 0 : return nullptr;
713 : }
714 :
715 : /* Check to see whether the interface objects are already installed */
716 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
717 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::ScrollViewChangeEvent)) {
718 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
719 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
720 : }
721 :
722 : /*
723 : * The object might _still_ be null, but that's OK.
724 : *
725 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
726 : * traced by TraceProtoAndIfaceCache() and its contents are never
727 : * changed after they have been set.
728 : *
729 : * Calling address() avoids the read read barrier that does gray
730 : * unmarking, but it's not possible for the object to be gray here.
731 : */
732 :
733 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::ScrollViewChangeEvent);
734 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
735 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
736 : }
737 :
738 : JS::Handle<JSObject*>
739 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
740 : {
741 : /* Get the interface object for this class. This will create the object as
742 : needed. */
743 :
744 : /* Make sure our global is sane. Hopefully we can remove this sometime */
745 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
746 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
747 0 : return nullptr;
748 : }
749 :
750 : /* Check to see whether the interface objects are already installed */
751 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
752 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::ScrollViewChangeEvent)) {
753 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
754 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
755 : }
756 :
757 : /*
758 : * The object might _still_ be null, but that's OK.
759 : *
760 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
761 : * traced by TraceProtoAndIfaceCache() and its contents are never
762 : * changed after they have been set.
763 : *
764 : * Calling address() avoids the read read barrier that does gray
765 : * unmarking, but it's not possible for the object to be gray here.
766 : */
767 :
768 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::ScrollViewChangeEvent);
769 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
770 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
771 : }
772 :
773 : JSObject*
774 0 : GetConstructorObject(JSContext* aCx)
775 : {
776 0 : return GetConstructorObjectHandle(aCx);
777 : }
778 :
779 : } // namespace ScrollViewChangeEventBinding
780 :
781 :
782 :
783 : } // namespace dom
784 : } // namespace mozilla
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