Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM HTMLStyleElement.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "HTMLElementBinding.h"
4 : #include "HTMLStyleElementBinding.h"
5 : #include "WrapperFactory.h"
6 : #include "mozilla/OwningNonNull.h"
7 : #include "mozilla/Preferences.h"
8 : #include "mozilla/StyleSheetInlines.h"
9 : #include "mozilla/dom/BindingUtils.h"
10 : #include "mozilla/dom/CustomElementRegistry.h"
11 : #include "mozilla/dom/DOMJSClass.h"
12 : #include "mozilla/dom/HTMLStyleElement.h"
13 : #include "mozilla/dom/NonRefcountedDOMObject.h"
14 : #include "mozilla/dom/Nullable.h"
15 : #include "mozilla/dom/PrimitiveConversions.h"
16 : #include "mozilla/dom/XrayExpandoClass.h"
17 :
18 : namespace mozilla {
19 : namespace dom {
20 :
21 : namespace HTMLStyleElementBinding {
22 :
23 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<HTMLElementBinding::NativeType>::value,
24 : "Can't inherit from an interface with a different ownership model.");
25 :
26 : static bool
27 0 : get_disabled(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitGetterCallArgs args)
28 : {
29 0 : bool result(self->Disabled());
30 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
31 0 : args.rval().setBoolean(result);
32 0 : return true;
33 : }
34 :
35 : static bool
36 0 : set_disabled(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitSetterCallArgs args)
37 : {
38 : bool arg0;
39 0 : if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
40 0 : return false;
41 : }
42 0 : self->SetDisabled(arg0);
43 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
44 :
45 0 : return true;
46 : }
47 :
48 : static const JSJitInfo disabled_getterinfo = {
49 : { (JSJitGetterOp)get_disabled },
50 : { prototypes::id::HTMLStyleElement },
51 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
52 : JSJitInfo::Getter,
53 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
54 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
55 : true, /* isInfallible. False in setters. */
56 : true, /* isMovable. Not relevant for setters. */
57 : true, /* isEliminatable. Not relevant for setters. */
58 : false, /* isAlwaysInSlot. Only relevant for getters. */
59 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
60 : false, /* isTypedMethod. Only relevant for methods. */
61 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
62 : };
63 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
64 : static_assert(0 < 1, "There is no slot for us");
65 : static const JSJitInfo disabled_setterinfo = {
66 : { (JSJitGetterOp)set_disabled },
67 : { prototypes::id::HTMLStyleElement },
68 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
69 : JSJitInfo::Setter,
70 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
71 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
72 : false, /* isInfallible. False in setters. */
73 : false, /* isMovable. Not relevant for setters. */
74 : false, /* isEliminatable. Not relevant for setters. */
75 : false, /* isAlwaysInSlot. Only relevant for getters. */
76 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
77 : false, /* isTypedMethod. Only relevant for methods. */
78 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
79 : };
80 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
81 : static_assert(0 < 1, "There is no slot for us");
82 :
83 : static bool
84 0 : get_media(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitGetterCallArgs args)
85 : {
86 0 : DOMString result;
87 0 : self->GetMedia(result);
88 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
89 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
90 0 : return false;
91 : }
92 0 : return true;
93 : }
94 :
95 : static bool
96 0 : set_media(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitSetterCallArgs args)
97 : {
98 0 : binding_detail::FakeString arg0;
99 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
100 0 : return false;
101 : }
102 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
103 0 : Maybe<AutoCEReaction> ceReaction;
104 0 : if (reactionsStack) {
105 0 : ceReaction.emplace(reactionsStack);
106 : }
107 0 : binding_detail::FastErrorResult rv;
108 0 : self->SetMedia(NonNullHelper(Constify(arg0)), rv);
109 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
110 0 : return false;
111 : }
112 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
113 :
114 0 : return true;
115 : }
116 :
117 : static const JSJitInfo media_getterinfo = {
118 : { (JSJitGetterOp)get_media },
119 : { prototypes::id::HTMLStyleElement },
120 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
121 : JSJitInfo::Getter,
122 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
123 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
124 : false, /* isInfallible. False in setters. */
125 : true, /* isMovable. Not relevant for setters. */
126 : true, /* isEliminatable. Not relevant for setters. */
127 : false, /* isAlwaysInSlot. Only relevant for getters. */
128 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
129 : false, /* isTypedMethod. Only relevant for methods. */
130 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
131 : };
132 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
133 : static_assert(0 < 1, "There is no slot for us");
134 : static const JSJitInfo media_setterinfo = {
135 : { (JSJitGetterOp)set_media },
136 : { prototypes::id::HTMLStyleElement },
137 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
138 : JSJitInfo::Setter,
139 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
140 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
141 : false, /* isInfallible. False in setters. */
142 : false, /* isMovable. Not relevant for setters. */
143 : false, /* isEliminatable. Not relevant for setters. */
144 : false, /* isAlwaysInSlot. Only relevant for getters. */
145 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
146 : false, /* isTypedMethod. Only relevant for methods. */
147 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
148 : };
149 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
150 : static_assert(0 < 1, "There is no slot for us");
151 :
152 : static bool
153 0 : get_type(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitGetterCallArgs args)
154 : {
155 0 : DOMString result;
156 0 : self->GetType(result);
157 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
158 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
159 0 : return false;
160 : }
161 0 : return true;
162 : }
163 :
164 : static bool
165 0 : set_type(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitSetterCallArgs args)
166 : {
167 0 : binding_detail::FakeString arg0;
168 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
169 0 : return false;
170 : }
171 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
172 0 : Maybe<AutoCEReaction> ceReaction;
173 0 : if (reactionsStack) {
174 0 : ceReaction.emplace(reactionsStack);
175 : }
176 0 : binding_detail::FastErrorResult rv;
177 0 : self->SetType(NonNullHelper(Constify(arg0)), rv);
178 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
179 0 : return false;
180 : }
181 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
182 :
183 0 : return true;
184 : }
185 :
186 : static const JSJitInfo type_getterinfo = {
187 : { (JSJitGetterOp)get_type },
188 : { prototypes::id::HTMLStyleElement },
189 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
190 : JSJitInfo::Getter,
191 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
192 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
193 : false, /* isInfallible. False in setters. */
194 : true, /* isMovable. Not relevant for setters. */
195 : true, /* isEliminatable. Not relevant for setters. */
196 : false, /* isAlwaysInSlot. Only relevant for getters. */
197 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
198 : false, /* isTypedMethod. Only relevant for methods. */
199 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
200 : };
201 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
202 : static_assert(0 < 1, "There is no slot for us");
203 : static const JSJitInfo type_setterinfo = {
204 : { (JSJitGetterOp)set_type },
205 : { prototypes::id::HTMLStyleElement },
206 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
207 : JSJitInfo::Setter,
208 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
209 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
210 : false, /* isInfallible. False in setters. */
211 : false, /* isMovable. Not relevant for setters. */
212 : false, /* isEliminatable. Not relevant for setters. */
213 : false, /* isAlwaysInSlot. Only relevant for getters. */
214 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
215 : false, /* isTypedMethod. Only relevant for methods. */
216 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
217 : };
218 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
219 : static_assert(0 < 1, "There is no slot for us");
220 :
221 : static bool
222 0 : get_scoped(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitGetterCallArgs args)
223 : {
224 0 : bool result(self->Scoped());
225 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
226 0 : args.rval().setBoolean(result);
227 0 : return true;
228 : }
229 :
230 : static bool
231 0 : set_scoped(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitSetterCallArgs args)
232 : {
233 : bool arg0;
234 0 : if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
235 0 : return false;
236 : }
237 0 : binding_detail::FastErrorResult rv;
238 0 : self->SetScoped(arg0, rv);
239 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
240 0 : return false;
241 : }
242 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
243 :
244 0 : return true;
245 : }
246 :
247 : static const JSJitInfo scoped_getterinfo = {
248 : { (JSJitGetterOp)get_scoped },
249 : { prototypes::id::HTMLStyleElement },
250 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
251 : JSJitInfo::Getter,
252 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
253 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
254 : true, /* isInfallible. False in setters. */
255 : true, /* isMovable. Not relevant for setters. */
256 : true, /* isEliminatable. Not relevant for setters. */
257 : false, /* isAlwaysInSlot. Only relevant for getters. */
258 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
259 : false, /* isTypedMethod. Only relevant for methods. */
260 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
261 : };
262 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
263 : static_assert(0 < 1, "There is no slot for us");
264 : static const JSJitInfo scoped_setterinfo = {
265 : { (JSJitGetterOp)set_scoped },
266 : { prototypes::id::HTMLStyleElement },
267 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
268 : JSJitInfo::Setter,
269 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
270 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
271 : false, /* isInfallible. False in setters. */
272 : false, /* isMovable. Not relevant for setters. */
273 : false, /* isEliminatable. Not relevant for setters. */
274 : false, /* isAlwaysInSlot. Only relevant for getters. */
275 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
276 : false, /* isTypedMethod. Only relevant for methods. */
277 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
278 : };
279 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
280 : static_assert(0 < 1, "There is no slot for us");
281 :
282 : static bool
283 0 : get_sheet(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLStyleElement* self, JSJitGetterCallArgs args)
284 : {
285 0 : auto result(StrongOrRawPtr<mozilla::StyleSheet>(self->GetSheet()));
286 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
287 0 : if (!result) {
288 0 : args.rval().setNull();
289 0 : return true;
290 : }
291 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
292 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
293 0 : return false;
294 : }
295 0 : return true;
296 : }
297 :
298 : static const JSJitInfo sheet_getterinfo = {
299 : { (JSJitGetterOp)get_sheet },
300 : { prototypes::id::HTMLStyleElement },
301 : { PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth },
302 : JSJitInfo::Getter,
303 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
304 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
305 : false, /* isInfallible. False in setters. */
306 : false, /* isMovable. Not relevant for setters. */
307 : false, /* isEliminatable. Not relevant for setters. */
308 : false, /* isAlwaysInSlot. Only relevant for getters. */
309 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
310 : false, /* isTypedMethod. Only relevant for methods. */
311 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
312 : };
313 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
314 : static_assert(0 < 1, "There is no slot for us");
315 :
316 : static bool
317 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
318 : {
319 0 : mozilla::dom::HTMLStyleElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLStyleElement>(obj);
320 : // We don't want to preserve if we don't have a wrapper, and we
321 : // obviously can't preserve if we're not initialized.
322 0 : if (self && self->GetWrapperPreserveColor()) {
323 0 : PreserveWrapper(self);
324 : }
325 0 : return true;
326 : }
327 :
328 : static void
329 0 : _finalize(js::FreeOp* fop, JSObject* obj)
330 : {
331 0 : mozilla::dom::HTMLStyleElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLStyleElement>(obj);
332 0 : if (self) {
333 0 : ClearWrapper(self, self, obj);
334 0 : AddForDeferredFinalization<mozilla::dom::HTMLStyleElement>(self);
335 : }
336 0 : }
337 :
338 : static void
339 0 : _objectMoved(JSObject* obj, const JSObject* old)
340 : {
341 0 : mozilla::dom::HTMLStyleElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLStyleElement>(obj);
342 0 : if (self) {
343 0 : UpdateWrapper(self, self, obj, old);
344 : }
345 0 : }
346 :
347 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
348 : #if defined(__clang__)
349 : #pragma clang diagnostic push
350 : #pragma clang diagnostic ignored "-Wmissing-braces"
351 : #endif
352 : static const JSPropertySpec sAttributes_specs[] = {
353 : { "disabled", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &disabled_getterinfo, GenericBindingSetter, &disabled_setterinfo },
354 : { "media", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &media_getterinfo, GenericBindingSetter, &media_setterinfo },
355 : { "type", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &type_getterinfo, GenericBindingSetter, &type_setterinfo },
356 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr },
357 : { "scoped", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &scoped_getterinfo, GenericBindingSetter, &scoped_setterinfo },
358 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr },
359 : { "sheet", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &sheet_getterinfo, nullptr, nullptr },
360 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
361 : };
362 : #if defined(__clang__)
363 : #pragma clang diagnostic pop
364 : #endif
365 :
366 : static PrefableDisablers sAttributes_disablers4 = {
367 : true, false, 0, nullptr
368 : };
369 :
370 : // Can't be const because the pref-enabled boolean needs to be writable
371 : static Prefable<const JSPropertySpec> sAttributes[] = {
372 : { nullptr, &sAttributes_specs[0] },
373 : { &sAttributes_disablers4, &sAttributes_specs[4] },
374 : { nullptr, &sAttributes_specs[6] },
375 : { nullptr, nullptr }
376 : };
377 :
378 : static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
379 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
380 : static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
381 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
382 :
383 :
384 : static uint16_t sNativeProperties_sortedPropertyIndices[5];
385 : static PropertyInfo sNativeProperties_propertyInfos[5];
386 :
387 : static const NativePropertiesN<1> sNativeProperties = {
388 : false, 0,
389 : false, 0,
390 : false, 0,
391 : true, 0 /* sAttributes */,
392 : false, 0,
393 : false, 0,
394 : false, 0,
395 : -1,
396 : 5,
397 : sNativeProperties_sortedPropertyIndices,
398 : {
399 : { sAttributes, &sNativeProperties_propertyInfos[0] }
400 : }
401 : };
402 : static_assert(5 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
403 : "We have a property info count that is oversized");
404 :
405 : static bool
406 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
407 : {
408 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
409 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
410 0 : if (!args.isConstructing()) {
411 : // XXXbz wish I could get the name from the callee instead of
412 : // Adding more relocations
413 0 : return ThrowConstructorWithoutNew(cx, "HTMLStyleElement");
414 : }
415 :
416 0 : GlobalObject global(cx, obj);
417 0 : if (global.Failed()) {
418 0 : return false;
419 : }
420 :
421 : // The newTarget might be a cross-compartment wrapper. Get the underlying object
422 : // so we can do the spec's object-identity checks.
423 0 : JS::Rooted<JSObject*> newTarget(cx, js::CheckedUnwrap(&args.newTarget().toObject()));
424 0 : if (!newTarget) {
425 0 : return ThrowErrorMessage(cx, MSG_ILLEGAL_CONSTRUCTOR);
426 : }
427 :
428 : // Step 2 of https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor.
429 : // Enter the compartment of our underlying newTarget object, so we end
430 : // up comparing to the constructor object for our interface from that global.
431 : {
432 0 : JSAutoCompartment ac(cx, newTarget);
433 0 : JS::Handle<JSObject*> constructor(GetConstructorObjectHandle(cx));
434 0 : if (!constructor) {
435 0 : return false;
436 : }
437 0 : if (newTarget == constructor) {
438 0 : return ThrowErrorMessage(cx, MSG_ILLEGAL_CONSTRUCTOR);
439 : }
440 : }
441 :
442 0 : JS::Rooted<JSObject*> desiredProto(cx);
443 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
444 0 : return false;
445 : }
446 0 : if (!desiredProto) {
447 : // Step 7 of https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor.
448 : // This fallback behavior is designed to match analogous behavior for the
449 : // JavaScript built-ins. So we enter the compartment of our underlying
450 : // newTarget object and fall back to the prototype object from that global.
451 : // XXX The spec says to use GetFunctionRealm(), which is not actually
452 : // the same thing as what we have here (e.g. in the case of scripted callable proxies
453 : // whose target is not same-compartment with the proxy, or bound functions, etc).
454 : // https://bugzilla.mozilla.org/show_bug.cgi?id=1317658
455 : {
456 0 : JSAutoCompartment ac(cx, newTarget);
457 0 : desiredProto = GetProtoObjectHandle(cx);
458 0 : if (!desiredProto) {
459 0 : return false;
460 : }
461 : }
462 :
463 : // desiredProto is in the compartment of the underlying newTarget object.
464 : // Wrap it into the context compartment.
465 0 : if (!JS_WrapObject(cx, &desiredProto)) {
466 0 : return false;
467 : }
468 : }
469 :
470 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
471 0 : Maybe<JSAutoCompartment> ac;
472 0 : if (objIsXray) {
473 0 : obj = js::CheckedUnwrap(obj);
474 0 : if (!obj) {
475 0 : return false;
476 : }
477 0 : ac.emplace(cx, obj);
478 0 : if (!JS_WrapObject(cx, &desiredProto)) {
479 0 : return false;
480 : }
481 : }
482 0 : binding_detail::FastErrorResult rv;
483 0 : auto result(StrongOrRawPtr<mozilla::dom::HTMLStyleElement>(CreateHTMLElement(global, args, rv)));
484 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
485 0 : return false;
486 : }
487 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
488 : static_assert(!IsPointer<decltype(result)>::value,
489 : "NewObject implies that we need to keep the object alive with a strong reference.");
490 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
491 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
492 0 : return false;
493 : }
494 0 : return true;
495 : }
496 :
497 : static const js::ClassOps sInterfaceObjectClassOps = {
498 : nullptr, /* addProperty */
499 : nullptr, /* delProperty */
500 : nullptr, /* getProperty */
501 : nullptr, /* setProperty */
502 : nullptr, /* enumerate */
503 : nullptr, /* newEnumerate */
504 : nullptr, /* resolve */
505 : nullptr, /* mayResolve */
506 : nullptr, /* finalize */
507 : _constructor, /* call */
508 : nullptr, /* hasInstance */
509 : _constructor, /* construct */
510 : nullptr, /* trace */
511 : };
512 :
513 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
514 : {
515 : "Function",
516 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
517 : &sInterfaceObjectClassOps,
518 : JS_NULL_CLASS_SPEC,
519 : JS_NULL_CLASS_EXT,
520 : &sInterfaceObjectClassObjectOps
521 : },
522 : eInterface,
523 : true,
524 : prototypes::id::HTMLStyleElement,
525 : PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth,
526 : sNativePropertyHooks,
527 : "function HTMLStyleElement() {\n [native code]\n}",
528 : HTMLElementBinding::GetConstructorObject
529 : };
530 :
531 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
532 : {
533 : "HTMLStyleElementPrototype",
534 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
535 : JS_NULL_CLASS_OPS,
536 : JS_NULL_CLASS_SPEC,
537 : JS_NULL_CLASS_EXT,
538 : JS_NULL_OBJECT_OPS
539 : },
540 : eInterfacePrototype,
541 : false,
542 : prototypes::id::HTMLStyleElement,
543 : PrototypeTraits<prototypes::id::HTMLStyleElement>::Depth,
544 : sNativePropertyHooks,
545 : "[object HTMLStyleElementPrototype]",
546 : HTMLElementBinding::GetProtoObject
547 : };
548 :
549 : JSObject*
550 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
551 : {
552 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
553 : }
554 :
555 : static const js::ClassOps sClassOps = {
556 : _addProperty, /* addProperty */
557 : nullptr, /* delProperty */
558 : nullptr, /* getProperty */
559 : nullptr, /* setProperty */
560 : nullptr, /* enumerate */
561 : nullptr, /* newEnumerate */
562 : nullptr, /* resolve */
563 : nullptr, /* mayResolve */
564 : _finalize, /* finalize */
565 : nullptr, /* call */
566 : nullptr, /* hasInstance */
567 : nullptr, /* construct */
568 : nullptr, /* trace */
569 : };
570 :
571 : static const js::ClassExtension sClassExtension = {
572 : nullptr, /* weakmapKeyDelegateOp */
573 : _objectMoved /* objectMovedOp */
574 : };
575 :
576 : static const DOMJSClass sClass = {
577 : { "HTMLStyleElement",
578 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
579 : &sClassOps,
580 : JS_NULL_CLASS_SPEC,
581 : &sClassExtension,
582 : JS_NULL_OBJECT_OPS
583 : },
584 : { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::Element, prototypes::id::HTMLElement, prototypes::id::HTMLStyleElement, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
585 : IsBaseOf<nsISupports, mozilla::dom::HTMLStyleElement >::value,
586 : sNativePropertyHooks,
587 : FindAssociatedGlobalForNative<mozilla::dom::HTMLStyleElement>::Get,
588 : GetProtoObjectHandle,
589 : GetCCParticipant<mozilla::dom::HTMLStyleElement>::Get()
590 : };
591 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
592 : "Must have the right minimal number of reserved slots.");
593 : static_assert(1 >= 1,
594 : "Must have enough reserved slots.");
595 :
596 : const JSClass*
597 0 : GetJSClass()
598 : {
599 0 : return sClass.ToJSClass();
600 : }
601 :
602 : bool
603 0 : Wrap(JSContext* aCx, mozilla::dom::HTMLStyleElement* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
604 : {
605 : MOZ_ASSERT(static_cast<mozilla::dom::HTMLStyleElement*>(aObject) ==
606 : reinterpret_cast<mozilla::dom::HTMLStyleElement*>(aObject),
607 : "Multiple inheritance for mozilla::dom::HTMLStyleElement is broken.");
608 : MOZ_ASSERT(static_cast<nsGenericHTMLElement*>(aObject) ==
609 : reinterpret_cast<nsGenericHTMLElement*>(aObject),
610 : "Multiple inheritance for nsGenericHTMLElement is broken.");
611 : MOZ_ASSERT(static_cast<mozilla::dom::Element*>(aObject) ==
612 : reinterpret_cast<mozilla::dom::Element*>(aObject),
613 : "Multiple inheritance for mozilla::dom::Element is broken.");
614 : MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
615 : reinterpret_cast<nsINode*>(aObject),
616 : "Multiple inheritance for nsINode is broken.");
617 : MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
618 : reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
619 : "Multiple inheritance for mozilla::dom::EventTarget is broken.");
620 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
621 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
622 0 : MOZ_ASSERT(!aCache->GetWrapper(),
623 : "You should probably not be using Wrap() directly; use "
624 : "GetOrCreateDOMReflector instead");
625 :
626 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
627 : "nsISupports must be on our primary inheritance chain");
628 :
629 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
630 0 : if (!global) {
631 0 : return false;
632 : }
633 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
634 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
635 :
636 : // That might have ended up wrapping us already, due to the wonders
637 : // of XBL. Check for that, and bail out as needed.
638 0 : aReflector.set(aCache->GetWrapper());
639 0 : if (aReflector) {
640 : #ifdef DEBUG
641 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
642 : #endif // DEBUG
643 0 : return true;
644 : }
645 :
646 0 : JSAutoCompartment ac(aCx, global);
647 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
648 0 : if (!canonicalProto) {
649 0 : return false;
650 : }
651 0 : JS::Rooted<JSObject*> proto(aCx);
652 0 : if (aGivenProto) {
653 0 : proto = aGivenProto;
654 : // Unfortunately, while aGivenProto was in the compartment of aCx
655 : // coming in, we changed compartments to that of "parent" so may need
656 : // to wrap the proto here.
657 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
658 0 : if (!JS_WrapObject(aCx, &proto)) {
659 0 : return false;
660 : }
661 : }
662 : } else {
663 0 : proto = canonicalProto;
664 : }
665 :
666 0 : BindingJSObjectCreator<mozilla::dom::HTMLStyleElement> creator(aCx);
667 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
668 0 : if (!aReflector) {
669 0 : return false;
670 : }
671 :
672 0 : aCache->SetWrapper(aReflector);
673 0 : creator.InitializationSucceeded();
674 :
675 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
676 : aCache->GetWrapperPreserveColor() == aReflector);
677 : // If proto != canonicalProto, we have to preserve our wrapper;
678 : // otherwise we won't be able to properly recreate it later, since
679 : // we won't know what proto to use. Note that we don't check
680 : // aGivenProto here, since it's entirely possible (and even
681 : // somewhat common) to have a non-null aGivenProto which is the
682 : // same as canonicalProto.
683 0 : if (proto != canonicalProto) {
684 0 : PreserveWrapper(aObject);
685 : }
686 :
687 0 : return true;
688 : }
689 :
690 : const NativePropertyHooks sNativePropertyHooks[] = { {
691 : nullptr,
692 : nullptr,
693 : nullptr,
694 : { sNativeProperties.Upcast(), nullptr },
695 : prototypes::id::HTMLStyleElement,
696 : constructors::id::HTMLStyleElement,
697 : HTMLElementBinding::sNativePropertyHooks,
698 : &DefaultXrayExpandoObjectClass
699 : } };
700 :
701 : void
702 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
703 : {
704 0 : JS::Handle<JSObject*> parentProto(HTMLElementBinding::GetProtoObjectHandle(aCx));
705 0 : if (!parentProto) {
706 0 : return;
707 : }
708 :
709 0 : JS::Handle<JSObject*> constructorProto(HTMLElementBinding::GetConstructorObjectHandle(aCx));
710 0 : if (!constructorProto) {
711 0 : return;
712 : }
713 :
714 : static bool sIdsInited = false;
715 0 : if (!sIdsInited && NS_IsMainThread()) {
716 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
717 0 : return;
718 : }
719 0 : sIdsInited = true;
720 : }
721 :
722 : static bool sPrefCachesInited = false;
723 0 : if (!sPrefCachesInited && NS_IsMainThread()) {
724 0 : sPrefCachesInited = true;
725 0 : Preferences::AddBoolVarCache(&sAttributes[1].disablers->enabled, "layout.css.scoped-style.enabled");
726 : }
727 :
728 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HTMLStyleElement);
729 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HTMLStyleElement);
730 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
731 : &sPrototypeClass.mBase, protoCache,
732 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
733 : interfaceCache,
734 : sNativeProperties.Upcast(),
735 : nullptr,
736 : "HTMLStyleElement", aDefineOnGlobal,
737 : nullptr,
738 0 : false);
739 : }
740 :
741 : JS::Handle<JSObject*>
742 0 : GetProtoObjectHandle(JSContext* aCx)
743 : {
744 : /* Get the interface prototype object for this class. This will create the
745 : object as needed. */
746 0 : bool aDefineOnGlobal = true;
747 :
748 : /* Make sure our global is sane. Hopefully we can remove this sometime */
749 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
750 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
751 0 : return nullptr;
752 : }
753 :
754 : /* Check to see whether the interface objects are already installed */
755 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
756 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::HTMLStyleElement)) {
757 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
758 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
759 : }
760 :
761 : /*
762 : * The object might _still_ be null, but that's OK.
763 : *
764 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
765 : * traced by TraceProtoAndIfaceCache() and its contents are never
766 : * changed after they have been set.
767 : *
768 : * Calling address() avoids the read read barrier that does gray
769 : * unmarking, but it's not possible for the object to be gray here.
770 : */
771 :
772 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::HTMLStyleElement);
773 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
774 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
775 : }
776 :
777 : JS::Handle<JSObject*>
778 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
779 : {
780 : /* Get the interface object for this class. This will create the object as
781 : needed. */
782 :
783 : /* Make sure our global is sane. Hopefully we can remove this sometime */
784 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
785 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
786 0 : return nullptr;
787 : }
788 :
789 : /* Check to see whether the interface objects are already installed */
790 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
791 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::HTMLStyleElement)) {
792 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
793 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
794 : }
795 :
796 : /*
797 : * The object might _still_ be null, but that's OK.
798 : *
799 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
800 : * traced by TraceProtoAndIfaceCache() and its contents are never
801 : * changed after they have been set.
802 : *
803 : * Calling address() avoids the read read barrier that does gray
804 : * unmarking, but it's not possible for the object to be gray here.
805 : */
806 :
807 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::HTMLStyleElement);
808 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
809 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
810 : }
811 :
812 : JSObject*
813 0 : GetConstructorObject(JSContext* aCx)
814 : {
815 0 : return GetConstructorObjectHandle(aCx);
816 : }
817 :
818 : } // namespace HTMLStyleElementBinding
819 :
820 :
821 :
822 : } // namespace dom
823 : } // namespace mozilla
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