Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM DOMRectList.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "DOMRectListBinding.h"
4 : #include "WrapperFactory.h"
5 : #include "mozilla/OwningNonNull.h"
6 : #include "mozilla/dom/BindingUtils.h"
7 : #include "mozilla/dom/DOMJSClass.h"
8 : #include "mozilla/dom/DOMJSProxyHandler.h"
9 : #include "mozilla/dom/DOMRect.h"
10 : #include "mozilla/dom/NonRefcountedDOMObject.h"
11 : #include "mozilla/dom/Nullable.h"
12 : #include "mozilla/dom/PrimitiveConversions.h"
13 : #include "mozilla/dom/XrayExpandoClass.h"
14 :
15 : namespace mozilla {
16 : namespace dom {
17 :
18 : namespace DOMRectListBinding {
19 :
20 : static bool
21 1 : get_length(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMRectList* self, JSJitGetterCallArgs args)
22 : {
23 1 : uint32_t result(self->Length());
24 1 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
25 1 : args.rval().setNumber(result);
26 1 : return true;
27 : }
28 :
29 : static const JSJitInfo length_getterinfo = {
30 : { (JSJitGetterOp)get_length },
31 : { prototypes::id::DOMRectList },
32 : { PrototypeTraits<prototypes::id::DOMRectList>::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 : item(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMRectList* self, const JSJitMethodCallArgs& args)
49 : {
50 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
51 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DOMRectList.item");
52 : }
53 : uint32_t arg0;
54 0 : if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], &arg0)) {
55 0 : return false;
56 : }
57 0 : auto result(StrongOrRawPtr<mozilla::dom::DOMRect>(self->Item(arg0)));
58 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
59 0 : if (!result) {
60 0 : args.rval().setNull();
61 0 : return true;
62 : }
63 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
64 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
65 0 : return false;
66 : }
67 0 : return true;
68 : }
69 :
70 : static const JSJitInfo item_methodinfo = {
71 : { (JSJitGetterOp)item },
72 : { prototypes::id::DOMRectList },
73 : { PrototypeTraits<prototypes::id::DOMRectList>::Depth },
74 : JSJitInfo::Method,
75 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
76 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
77 : false, /* isInfallible. False in setters. */
78 : false, /* isMovable. Not relevant for setters. */
79 : false, /* isEliminatable. Not relevant for setters. */
80 : false, /* isAlwaysInSlot. Only relevant for getters. */
81 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
82 : false, /* isTypedMethod. Only relevant for methods. */
83 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
84 : };
85 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
86 : static_assert(0 < 1, "There is no slot for us");
87 :
88 : static void
89 0 : _objectMoved(JSObject* obj, const JSObject* old)
90 : {
91 0 : mozilla::dom::DOMRectList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DOMRectList>(obj);
92 0 : if (self) {
93 0 : UpdateWrapper(self, self, obj, old);
94 : }
95 0 : }
96 :
97 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
98 : #if defined(__clang__)
99 : #pragma clang diagnostic push
100 : #pragma clang diagnostic ignored "-Wmissing-braces"
101 : #endif
102 : static const JSFunctionSpec sMethods_specs[] = {
103 : JS_FNSPEC("item", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&item_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
104 : JS_SYM_FNSPEC(iterator, nullptr, nullptr, 0, 0, "ArrayValues"),
105 : JS_FS_END
106 : };
107 : #if defined(__clang__)
108 : #pragma clang diagnostic pop
109 : #endif
110 :
111 :
112 : // Can't be const because the pref-enabled boolean needs to be writable
113 : static Prefable<const JSFunctionSpec> sMethods[] = {
114 : { nullptr, &sMethods_specs[0] },
115 : { nullptr, nullptr }
116 : };
117 :
118 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
119 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
120 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
121 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
122 :
123 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
124 : #if defined(__clang__)
125 : #pragma clang diagnostic push
126 : #pragma clang diagnostic ignored "-Wmissing-braces"
127 : #endif
128 : static const JSPropertySpec sAttributes_specs[] = {
129 : { "length", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &length_getterinfo, nullptr, nullptr },
130 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
131 : };
132 : #if defined(__clang__)
133 : #pragma clang diagnostic pop
134 : #endif
135 :
136 :
137 : // Can't be const because the pref-enabled boolean needs to be writable
138 : static Prefable<const JSPropertySpec> sAttributes[] = {
139 : { nullptr, &sAttributes_specs[0] },
140 : { nullptr, nullptr }
141 : };
142 :
143 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
144 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
145 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
146 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
147 :
148 :
149 : static uint16_t sNativeProperties_sortedPropertyIndices[3];
150 : static PropertyInfo sNativeProperties_propertyInfos[3];
151 :
152 : static const NativePropertiesN<2> sNativeProperties = {
153 : false, 0,
154 : false, 0,
155 : true, 0 /* sMethods */,
156 : true, 1 /* sAttributes */,
157 : false, 0,
158 : false, 0,
159 : false, 0,
160 : -1,
161 : 3,
162 : sNativeProperties_sortedPropertyIndices,
163 : {
164 : { sMethods, &sNativeProperties_propertyInfos[0] },
165 : { sAttributes, &sNativeProperties_propertyInfos[2] }
166 : }
167 : };
168 : static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
169 : "We have a property info count that is oversized");
170 :
171 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
172 : {
173 : "Function",
174 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
175 : &sBoringInterfaceObjectClassClassOps,
176 : JS_NULL_CLASS_SPEC,
177 : JS_NULL_CLASS_EXT,
178 : &sInterfaceObjectClassObjectOps
179 : },
180 : eInterface,
181 : true,
182 : prototypes::id::DOMRectList,
183 : PrototypeTraits<prototypes::id::DOMRectList>::Depth,
184 : sNativePropertyHooks,
185 : "function DOMRectList() {\n [native code]\n}",
186 : JS::GetRealmFunctionPrototype
187 : };
188 :
189 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
190 : {
191 : "DOMRectListPrototype",
192 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
193 : JS_NULL_CLASS_OPS,
194 : JS_NULL_CLASS_SPEC,
195 : JS_NULL_CLASS_EXT,
196 : JS_NULL_OBJECT_OPS
197 : },
198 : eInterfacePrototype,
199 : false,
200 : prototypes::id::DOMRectList,
201 : PrototypeTraits<prototypes::id::DOMRectList>::Depth,
202 : sNativePropertyHooks,
203 : "[object DOMRectListPrototype]",
204 : JS::GetRealmArrayPrototype
205 : };
206 :
207 : JSObject*
208 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
209 : {
210 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
211 : }
212 :
213 : static_assert(IsBaseOf<nsISupports, mozilla::dom::DOMRectList >::value,
214 : "We don't support non-nsISupports native classes for "
215 : "proxy-based bindings yet");
216 :
217 :
218 : class DOMProxyHandler : public mozilla::dom::DOMProxyHandler
219 : {
220 : public:
221 : explicit constexpr DOMProxyHandler()
222 : {
223 : }
224 :
225 : virtual bool
226 : getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const override;
227 :
228 : virtual bool
229 : defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const override;
230 :
231 : using mozilla::dom::DOMProxyHandler::defineProperty;
232 :
233 : virtual bool
234 : ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const override;
235 :
236 : virtual bool
237 : hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override;
238 :
239 : virtual bool
240 : get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override;
241 :
242 : virtual const char*
243 : className(JSContext* cx, JS::Handle<JSObject*> proxy) const override;
244 :
245 : virtual bool
246 : finalizeInBackground(const JS::Value& priv) const override;
247 :
248 : virtual void
249 : finalize(JSFreeOp* fop, JSObject* proxy) const override;
250 :
251 : static const DOMProxyHandler*
252 : getInstance();
253 :
254 : virtual bool
255 : delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override;
256 :
257 : virtual bool
258 : getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const override;
259 : };
260 :
261 : MOZ_ALWAYS_INLINE bool
262 0 : IsProxy(JSObject* obj)
263 : {
264 0 : return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance();
265 : }
266 :
267 : MOZ_ALWAYS_INLINE mozilla::dom::DOMRectList*
268 0 : UnwrapProxy(JSObject* obj)
269 : {
270 0 : MOZ_ASSERT(js::IsProxy(obj));
271 0 : if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) {
272 0 : MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj));
273 0 : obj = js::UncheckedUnwrap(obj);
274 : }
275 0 : MOZ_ASSERT(IsProxy(obj));
276 0 : return static_cast<mozilla::dom::DOMRectList*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate());
277 : }
278 :
279 : bool
280 1 : DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const
281 : {
282 1 : bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
283 1 : uint32_t index = GetArrayIndexFromId(cx, id);
284 1 : if (IsArrayIndex(index)) {
285 0 : mozilla::dom::DOMRectList* self = UnwrapProxy(proxy);
286 0 : bool found = false;
287 0 : auto result(StrongOrRawPtr<mozilla::dom::DOMRect>(self->IndexedGetter(index, found)));
288 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
289 :
290 0 : if (found) {
291 0 : if (!result) {
292 0 : desc.value().setNull();
293 0 : FillPropertyDescriptor(desc, proxy, true);
294 0 : return true;
295 : }
296 0 : if (!GetOrCreateDOMReflector(cx, result, desc.value())) {
297 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
298 0 : return false;
299 : }
300 0 : FillPropertyDescriptor(desc, proxy, true);
301 0 : return true;
302 : }
303 : }
304 :
305 2 : JS::Rooted<JSObject*> expando(cx);
306 1 : if (!isXray && (expando = GetExpandoObject(proxy))) {
307 0 : if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) {
308 0 : return false;
309 : }
310 0 : if (desc.object()) {
311 : // Pretend the property lives on the wrapper.
312 0 : desc.object().set(proxy);
313 0 : return true;
314 : }
315 : }
316 :
317 1 : desc.object().set(nullptr);
318 1 : return true;
319 : }
320 :
321 : bool
322 0 : DOMProxyHandler::defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const
323 : {
324 0 : if (IsArrayIndex(GetArrayIndexFromId(cx, id))) {
325 0 : *defined = true;
326 0 : return opresult.failNoIndexedSetter();
327 : }
328 0 : return mozilla::dom::DOMProxyHandler::defineProperty(cx, proxy, id, desc, opresult, defined);
329 : }
330 :
331 :
332 : bool
333 0 : DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const
334 : {
335 0 : bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
336 :
337 0 : uint32_t length = UnwrapProxy(proxy)->Length();
338 0 : MOZ_ASSERT(int32_t(length) >= 0);
339 0 : for (int32_t i = 0; i < int32_t(length); ++i) {
340 0 : if (!props.append(INT_TO_JSID(i))) {
341 0 : return false;
342 : }
343 : }
344 :
345 0 : JS::Rooted<JSObject*> expando(cx);
346 0 : if (!isXray && (expando = DOMProxyHandler::GetExpandoObject(proxy)) &&
347 0 : !js::GetPropertyKeys(cx, expando, flags, &props)) {
348 0 : return false;
349 : }
350 :
351 0 : return true;
352 : }
353 :
354 : bool
355 0 : DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const
356 : {
357 0 : MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
358 : "Should not have a XrayWrapper here");
359 :
360 0 : uint32_t index = GetArrayIndexFromId(cx, id);
361 0 : if (IsArrayIndex(index)) {
362 0 : bool found = false;
363 0 : mozilla::dom::DOMRectList* self = UnwrapProxy(proxy);
364 0 : auto result(StrongOrRawPtr<mozilla::dom::DOMRect>(self->IndexedGetter(index, found)));
365 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
366 : (void)result;
367 :
368 0 : *bp = found;
369 0 : return true;
370 : }
371 :
372 :
373 0 : JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy));
374 0 : if (expando) {
375 0 : bool b = true;
376 0 : bool ok = JS_HasPropertyById(cx, expando, id, &b);
377 0 : *bp = !!b;
378 0 : if (!ok || *bp) {
379 0 : return ok;
380 : }
381 : }
382 :
383 0 : *bp = false;
384 0 : return true;
385 : }
386 :
387 : bool
388 0 : DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const
389 : {
390 0 : MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
391 : "Should not have a XrayWrapper here");
392 :
393 0 : uint32_t index = GetArrayIndexFromId(cx, id);
394 0 : if (IsArrayIndex(index)) {
395 0 : mozilla::dom::DOMRectList* self = UnwrapProxy(proxy);
396 0 : bool found = false;
397 0 : auto result(StrongOrRawPtr<mozilla::dom::DOMRect>(self->IndexedGetter(index, found)));
398 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
399 :
400 0 : if (found) {
401 0 : if (!result) {
402 0 : vp.setNull();
403 0 : return true;
404 : }
405 0 : if (!GetOrCreateDOMReflector(cx, result, vp)) {
406 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
407 0 : return false;
408 : }
409 0 : return true;
410 : }
411 : // Even if we don't have this index, we don't forward the
412 : // get on to our expando object.
413 : } else {
414 : { // Scope for expando
415 0 : JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
416 0 : if (expando) {
417 : bool hasProp;
418 0 : if (!JS_HasPropertyById(cx, expando, id, &hasProp)) {
419 0 : return false;
420 : }
421 :
422 0 : if (hasProp) {
423 : // Forward the get to the expando object, but our receiver is whatever our
424 : // receiver is.
425 0 : return JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp);
426 : }
427 : }
428 : }
429 : }
430 :
431 : bool foundOnPrototype;
432 0 : if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) {
433 0 : return false;
434 : }
435 :
436 0 : if (foundOnPrototype) {
437 0 : return true;
438 : }
439 :
440 0 : vp.setUndefined();
441 0 : return true;
442 : }
443 :
444 : const char*
445 0 : DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const
446 : {
447 0 : return "DOMRectList";
448 : }
449 :
450 : bool
451 1 : DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const
452 : {
453 1 : return false;
454 : }
455 :
456 : void
457 0 : DOMProxyHandler::finalize(JSFreeOp* fop, JSObject* proxy) const
458 : {
459 0 : mozilla::dom::DOMRectList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DOMRectList>(proxy);
460 0 : if (self) {
461 0 : ClearWrapper(self, self, proxy);
462 0 : AddForDeferredFinalization<mozilla::dom::DOMRectList>(self);
463 : }
464 0 : }
465 :
466 : const DOMProxyHandler*
467 1 : DOMProxyHandler::getInstance()
468 : {
469 : static const DOMProxyHandler instance;
470 1 : return &instance;
471 : }
472 :
473 : bool
474 0 : DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const
475 : {
476 0 : MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
477 : "Should not have a XrayWrapper here");
478 :
479 0 : uint32_t index = GetArrayIndexFromId(cx, id);
480 0 : if (IsArrayIndex(index)) {
481 : bool deleteSucceeded;
482 0 : bool found = false;
483 0 : mozilla::dom::DOMRectList* self = UnwrapProxy(proxy);
484 0 : auto result(StrongOrRawPtr<mozilla::dom::DOMRect>(self->IndexedGetter(index, found)));
485 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
486 : (void)result;
487 0 : deleteSucceeded = !found;
488 0 : return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete();
489 : }
490 :
491 0 : return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult);
492 : }
493 :
494 : bool
495 0 : DOMProxyHandler::getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const
496 : {
497 0 : JS::Rooted<JS::Value> temp(cx);
498 0 : MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
499 : "Should not have a XrayWrapper here");
500 :
501 0 : mozilla::dom::DOMRectList* self = UnwrapProxy(proxy);
502 0 : uint32_t length = self->Length();
503 : // Compute the end of the indices we'll get ourselves
504 0 : uint32_t ourEnd = std::max(begin, std::min(end, length));
505 :
506 0 : for (uint32_t index = begin; index < ourEnd; ++index) {
507 0 : bool found = false;
508 0 : auto result(StrongOrRawPtr<mozilla::dom::DOMRect>(self->IndexedGetter(index, found)));
509 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
510 :
511 0 : MOZ_ASSERT(found);
512 0 : if (!result) {
513 0 : temp.setNull();
514 0 : if (!adder->append(cx, temp)) return false;
515 0 : continue;
516 : }
517 0 : if (!GetOrCreateDOMReflector(cx, result, &temp)) {
518 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
519 0 : return false;
520 : }
521 0 : if (!adder->append(cx, temp)) return false;
522 0 : continue;
523 : }
524 :
525 0 : if (end > ourEnd) {
526 0 : JS::Rooted<JSObject*> proto(cx);
527 0 : if (!js::GetObjectProto(cx, proxy, &proto)) {
528 0 : return false;
529 : }
530 0 : return js::GetElementsWithAdder(cx, proto, proxy, ourEnd, end, adder);
531 : }
532 :
533 0 : return true;
534 : }
535 :
536 : static const js::ClassExtension sClassExtension = PROXY_MAKE_EXT(
537 : _objectMoved
538 : );
539 :
540 : static const DOMJSClass sClass = {
541 : PROXY_CLASS_WITH_EXT("DOMRectList",
542 : JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1),
543 : &sClassExtension),
544 : { prototypes::id::DOMRectList, 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 },
545 : IsBaseOf<nsISupports, mozilla::dom::DOMRectList >::value,
546 : sNativePropertyHooks,
547 : FindAssociatedGlobalForNative<mozilla::dom::DOMRectList>::Get,
548 : GetProtoObjectHandle,
549 : GetCCParticipant<mozilla::dom::DOMRectList>::Get()
550 : };
551 :
552 : bool
553 1 : Wrap(JSContext* aCx, mozilla::dom::DOMRectList* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
554 : {
555 : MOZ_ASSERT(static_cast<mozilla::dom::DOMRectList*>(aObject) ==
556 : reinterpret_cast<mozilla::dom::DOMRectList*>(aObject),
557 : "Multiple inheritance for mozilla::dom::DOMRectList is broken.");
558 1 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
559 1 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
560 1 : MOZ_ASSERT(!aCache->GetWrapper(),
561 : "You should probably not be using Wrap() directly; use "
562 : "GetOrCreateDOMReflector instead");
563 :
564 1 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
565 : "nsISupports must be on our primary inheritance chain");
566 :
567 2 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
568 1 : if (!global) {
569 0 : return false;
570 : }
571 1 : MOZ_ASSERT(JS_IsGlobalObject(global));
572 1 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
573 :
574 : // That might have ended up wrapping us already, due to the wonders
575 : // of XBL. Check for that, and bail out as needed.
576 1 : aReflector.set(aCache->GetWrapper());
577 1 : if (aReflector) {
578 : #ifdef DEBUG
579 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
580 : #endif // DEBUG
581 0 : return true;
582 : }
583 :
584 2 : JSAutoCompartment ac(aCx, global);
585 1 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
586 1 : if (!canonicalProto) {
587 0 : return false;
588 : }
589 2 : JS::Rooted<JSObject*> proto(aCx);
590 1 : if (aGivenProto) {
591 0 : proto = aGivenProto;
592 : // Unfortunately, while aGivenProto was in the compartment of aCx
593 : // coming in, we changed compartments to that of "parent" so may need
594 : // to wrap the proto here.
595 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
596 0 : if (!JS_WrapObject(aCx, &proto)) {
597 0 : return false;
598 : }
599 : }
600 : } else {
601 1 : proto = canonicalProto;
602 : }
603 :
604 2 : BindingJSObjectCreator<mozilla::dom::DOMRectList> creator(aCx);
605 2 : JS::Rooted<JS::Value> expandoValue(aCx, JS::UndefinedValue());
606 2 : creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(),
607 1 : proto, aObject, expandoValue, aReflector);
608 1 : if (!aReflector) {
609 0 : return false;
610 : }
611 :
612 :
613 1 : aCache->SetWrapper(aReflector);
614 1 : creator.InitializationSucceeded();
615 :
616 1 : 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 1 : if (proto != canonicalProto) {
625 0 : PreserveWrapper(aObject);
626 : }
627 :
628 1 : return true;
629 : }
630 :
631 : static bool
632 1 : ResolveOwnProperty(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::MutableHandle<JS::PropertyDescriptor> desc)
633 : {
634 1 : return js::GetProxyHandler(obj)->getOwnPropertyDescriptor(cx, wrapper, id, desc);
635 : }
636 :
637 : static bool
638 0 : EnumerateOwnProperties(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::AutoIdVector& props)
639 : {
640 0 : return js::GetProxyHandler(obj)->ownPropertyKeys(cx, wrapper, props);
641 : }
642 :
643 : const NativePropertyHooks sNativePropertyHooks[] = { {
644 : ResolveOwnProperty,
645 : EnumerateOwnProperties,
646 : nullptr,
647 : { sNativeProperties.Upcast(), nullptr },
648 : prototypes::id::DOMRectList,
649 : constructors::id::DOMRectList,
650 : nullptr,
651 : &DefaultXrayExpandoObjectClass
652 : } };
653 :
654 : void
655 1 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
656 : {
657 2 : JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmArrayPrototype(aCx));
658 1 : if (!parentProto) {
659 0 : return;
660 : }
661 :
662 2 : JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
663 1 : if (!constructorProto) {
664 0 : return;
665 : }
666 :
667 : static bool sIdsInited = false;
668 1 : if (!sIdsInited && NS_IsMainThread()) {
669 1 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
670 0 : return;
671 : }
672 1 : sIdsInited = true;
673 : }
674 :
675 1 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DOMRectList);
676 1 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DOMRectList);
677 2 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
678 : &sPrototypeClass.mBase, protoCache,
679 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
680 : interfaceCache,
681 : sNativeProperties.Upcast(),
682 : nullptr,
683 : "DOMRectList", aDefineOnGlobal,
684 : nullptr,
685 1 : false);
686 : }
687 :
688 : JS::Handle<JSObject*>
689 2 : GetProtoObjectHandle(JSContext* aCx)
690 : {
691 : /* Get the interface prototype object for this class. This will create the
692 : object as needed. */
693 2 : bool aDefineOnGlobal = true;
694 :
695 : /* Make sure our global is sane. Hopefully we can remove this sometime */
696 2 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
697 2 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
698 0 : return nullptr;
699 : }
700 :
701 : /* Check to see whether the interface objects are already installed */
702 2 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
703 2 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::DOMRectList)) {
704 2 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
705 1 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
706 : }
707 :
708 : /*
709 : * The object might _still_ be null, but that's OK.
710 : *
711 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
712 : * traced by TraceProtoAndIfaceCache() and its contents are never
713 : * changed after they have been set.
714 : *
715 : * Calling address() avoids the read read barrier that does gray
716 : * unmarking, but it's not possible for the object to be gray here.
717 : */
718 :
719 2 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::DOMRectList);
720 2 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
721 2 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
722 : }
723 :
724 : JS::Handle<JSObject*>
725 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
726 : {
727 : /* Get the interface object for this class. This will create the object as
728 : needed. */
729 :
730 : /* Make sure our global is sane. Hopefully we can remove this sometime */
731 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
732 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
733 0 : return nullptr;
734 : }
735 :
736 : /* Check to see whether the interface objects are already installed */
737 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
738 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::DOMRectList)) {
739 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
740 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
741 : }
742 :
743 : /*
744 : * The object might _still_ be null, but that's OK.
745 : *
746 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
747 : * traced by TraceProtoAndIfaceCache() and its contents are never
748 : * changed after they have been set.
749 : *
750 : * Calling address() avoids the read read barrier that does gray
751 : * unmarking, but it's not possible for the object to be gray here.
752 : */
753 :
754 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::DOMRectList);
755 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
756 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
757 : }
758 :
759 : JSObject*
760 0 : GetConstructorObject(JSContext* aCx)
761 : {
762 0 : return GetConstructorObjectHandle(aCx);
763 : }
764 :
765 : } // namespace DOMRectListBinding
766 :
767 :
768 :
769 : } // namespace dom
770 : } // namespace mozilla
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