Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM CSSStyleSheet.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "CSSStyleSheetBinding.h"
4 : #include "StyleSheetBinding.h"
5 : #include "WrapperFactory.h"
6 : #include "jsapi.h"
7 : #include "mozilla/OwningNonNull.h"
8 : #include "mozilla/StyleSheet.h"
9 : #include "mozilla/css/Rule.h"
10 : #include "mozilla/dom/BindingUtils.h"
11 : #include "mozilla/dom/CSSRuleList.h"
12 : #include "mozilla/dom/DOMJSClass.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 : #include "nsContentUtils.h"
18 :
19 : namespace mozilla {
20 : namespace dom {
21 :
22 : namespace CSSStyleSheetParsingModeValues {
23 : extern const EnumEntry strings[4] = {
24 : {"author", 6},
25 : {"user", 4},
26 : {"agent", 5},
27 : { nullptr, 0 }
28 : };
29 : } // namespace CSSStyleSheetParsingModeValues
30 :
31 : bool
32 0 : ToJSValue(JSContext* aCx, CSSStyleSheetParsingMode aArgument, JS::MutableHandle<JS::Value> aValue)
33 : {
34 0 : MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(CSSStyleSheetParsingModeValues::strings));
35 : JSString* resultStr =
36 0 : JS_NewStringCopyN(aCx, CSSStyleSheetParsingModeValues::strings[uint32_t(aArgument)].value,
37 0 : CSSStyleSheetParsingModeValues::strings[uint32_t(aArgument)].length);
38 0 : if (!resultStr) {
39 0 : return false;
40 : }
41 0 : aValue.setString(resultStr);
42 0 : return true;
43 : }
44 :
45 :
46 : namespace CSSStyleSheetBinding {
47 :
48 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<StyleSheetBinding::NativeType>::value,
49 : "Can't inherit from an interface with a different ownership model.");
50 :
51 : static bool
52 0 : get_ownerRule(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::StyleSheet* self, JSJitGetterCallArgs args)
53 : {
54 0 : auto result(StrongOrRawPtr<mozilla::css::Rule>(self->GetDOMOwnerRule()));
55 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
56 0 : if (!result) {
57 0 : args.rval().setNull();
58 0 : return true;
59 : }
60 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
61 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
62 0 : return false;
63 : }
64 0 : return true;
65 : }
66 :
67 : static const JSJitInfo ownerRule_getterinfo = {
68 : { (JSJitGetterOp)get_ownerRule },
69 : { prototypes::id::CSSStyleSheet },
70 : { PrototypeTraits<prototypes::id::CSSStyleSheet>::Depth },
71 : JSJitInfo::Getter,
72 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
73 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
74 : false, /* isInfallible. False in setters. */
75 : true, /* isMovable. Not relevant for setters. */
76 : true, /* isEliminatable. Not relevant for setters. */
77 : false, /* isAlwaysInSlot. Only relevant for getters. */
78 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
79 : false, /* isTypedMethod. Only relevant for methods. */
80 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
81 : };
82 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
83 : static_assert(0 < 1, "There is no slot for us");
84 :
85 : static bool
86 0 : get_cssRules(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::StyleSheet* self, JSJitGetterCallArgs args)
87 : {
88 0 : binding_detail::FastErrorResult rv;
89 0 : JSCompartment* compartment = js::GetContextCompartment(cx);
90 0 : MOZ_ASSERT(compartment);
91 0 : JSPrincipals* principals = JS_GetCompartmentPrincipals(compartment);
92 : // Initializing a nonnull is pretty darn annoying...
93 0 : NonNull<nsIPrincipal> subjectPrincipal;
94 0 : subjectPrincipal = static_cast<nsIPrincipal*>(nsJSPrincipals::get(principals));
95 0 : auto result(StrongOrRawPtr<mozilla::dom::CSSRuleList>(self->GetCssRules(subjectPrincipal, rv)));
96 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
97 0 : return false;
98 : }
99 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
100 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
101 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
102 0 : return false;
103 : }
104 0 : return true;
105 : }
106 :
107 : static const JSJitInfo cssRules_getterinfo = {
108 : { (JSJitGetterOp)get_cssRules },
109 : { prototypes::id::CSSStyleSheet },
110 : { PrototypeTraits<prototypes::id::CSSStyleSheet>::Depth },
111 : JSJitInfo::Getter,
112 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
113 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
114 : false, /* isInfallible. False in setters. */
115 : false, /* isMovable. Not relevant for setters. */
116 : false, /* isEliminatable. Not relevant for setters. */
117 : false, /* isAlwaysInSlot. Only relevant for getters. */
118 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
119 : false, /* isTypedMethod. Only relevant for methods. */
120 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
121 : };
122 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
123 : static_assert(0 < 1, "There is no slot for us");
124 :
125 : static bool
126 0 : get_parsingMode(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::StyleSheet* self, JSJitGetterCallArgs args)
127 : {
128 0 : CSSStyleSheetParsingMode result(self->ParsingModeDOM());
129 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
130 0 : if (!ToJSValue(cx, result, args.rval())) {
131 0 : return false;
132 : }
133 0 : return true;
134 : }
135 :
136 : static const JSJitInfo parsingMode_getterinfo = {
137 : { (JSJitGetterOp)get_parsingMode },
138 : { prototypes::id::CSSStyleSheet },
139 : { PrototypeTraits<prototypes::id::CSSStyleSheet>::Depth },
140 : JSJitInfo::Getter,
141 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
142 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
143 : false, /* isInfallible. False in setters. */
144 : false, /* isMovable. Not relevant for setters. */
145 : false, /* isEliminatable. Not relevant for setters. */
146 : false, /* isAlwaysInSlot. Only relevant for getters. */
147 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
148 : false, /* isTypedMethod. Only relevant for methods. */
149 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
150 : };
151 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
152 : static_assert(0 < 1, "There is no slot for us");
153 :
154 : static bool
155 0 : insertRule(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::StyleSheet* self, const JSJitMethodCallArgs& args)
156 : {
157 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
158 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "CSSStyleSheet.insertRule");
159 : }
160 0 : binding_detail::FakeString arg0;
161 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
162 0 : return false;
163 : }
164 : uint32_t arg1;
165 0 : if (args.hasDefined(1)) {
166 0 : if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[1], &arg1)) {
167 0 : return false;
168 : }
169 : } else {
170 0 : arg1 = 0U;
171 : }
172 0 : binding_detail::FastErrorResult rv;
173 0 : JSCompartment* compartment = js::GetContextCompartment(cx);
174 0 : MOZ_ASSERT(compartment);
175 0 : JSPrincipals* principals = JS_GetCompartmentPrincipals(compartment);
176 : // Initializing a nonnull is pretty darn annoying...
177 0 : NonNull<nsIPrincipal> subjectPrincipal;
178 0 : subjectPrincipal = static_cast<nsIPrincipal*>(nsJSPrincipals::get(principals));
179 0 : uint32_t result(self->InsertRule(NonNullHelper(Constify(arg0)), arg1, subjectPrincipal, rv));
180 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
181 0 : return false;
182 : }
183 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
184 0 : args.rval().setNumber(result);
185 0 : return true;
186 : }
187 :
188 : static const JSJitInfo insertRule_methodinfo = {
189 : { (JSJitGetterOp)insertRule },
190 : { prototypes::id::CSSStyleSheet },
191 : { PrototypeTraits<prototypes::id::CSSStyleSheet>::Depth },
192 : JSJitInfo::Method,
193 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
194 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
195 : false, /* isInfallible. False in setters. */
196 : false, /* isMovable. Not relevant for setters. */
197 : false, /* isEliminatable. Not relevant for setters. */
198 : false, /* isAlwaysInSlot. Only relevant for getters. */
199 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
200 : false, /* isTypedMethod. Only relevant for methods. */
201 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
202 : };
203 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
204 : static_assert(0 < 1, "There is no slot for us");
205 :
206 : static bool
207 0 : deleteRule(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::StyleSheet* self, const JSJitMethodCallArgs& args)
208 : {
209 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
210 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "CSSStyleSheet.deleteRule");
211 : }
212 : uint32_t arg0;
213 0 : if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], &arg0)) {
214 0 : return false;
215 : }
216 0 : binding_detail::FastErrorResult rv;
217 0 : JSCompartment* compartment = js::GetContextCompartment(cx);
218 0 : MOZ_ASSERT(compartment);
219 0 : JSPrincipals* principals = JS_GetCompartmentPrincipals(compartment);
220 : // Initializing a nonnull is pretty darn annoying...
221 0 : NonNull<nsIPrincipal> subjectPrincipal;
222 0 : subjectPrincipal = static_cast<nsIPrincipal*>(nsJSPrincipals::get(principals));
223 0 : self->DeleteRule(arg0, subjectPrincipal, rv);
224 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
225 0 : return false;
226 : }
227 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
228 0 : args.rval().setUndefined();
229 0 : return true;
230 : }
231 :
232 : static const JSJitInfo deleteRule_methodinfo = {
233 : { (JSJitGetterOp)deleteRule },
234 : { prototypes::id::CSSStyleSheet },
235 : { PrototypeTraits<prototypes::id::CSSStyleSheet>::Depth },
236 : JSJitInfo::Method,
237 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
238 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
239 : false, /* isInfallible. False in setters. */
240 : false, /* isMovable. Not relevant for setters. */
241 : false, /* isEliminatable. Not relevant for setters. */
242 : false, /* isAlwaysInSlot. Only relevant for getters. */
243 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
244 : false, /* isTypedMethod. Only relevant for methods. */
245 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
246 : };
247 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
248 : static_assert(0 < 1, "There is no slot for us");
249 :
250 : static bool
251 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
252 : {
253 0 : mozilla::StyleSheet* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::StyleSheet>(obj);
254 : // We don't want to preserve if we don't have a wrapper, and we
255 : // obviously can't preserve if we're not initialized.
256 0 : if (self && self->GetWrapperPreserveColor()) {
257 0 : PreserveWrapper(self);
258 : }
259 0 : return true;
260 : }
261 :
262 : static void
263 0 : _finalize(js::FreeOp* fop, JSObject* obj)
264 : {
265 0 : mozilla::StyleSheet* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::StyleSheet>(obj);
266 0 : if (self) {
267 0 : ClearWrapper(self, self, obj);
268 0 : AddForDeferredFinalization<mozilla::StyleSheet>(self);
269 : }
270 0 : }
271 :
272 : static void
273 0 : _objectMoved(JSObject* obj, const JSObject* old)
274 : {
275 0 : mozilla::StyleSheet* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::StyleSheet>(obj);
276 0 : if (self) {
277 0 : UpdateWrapper(self, self, obj, old);
278 : }
279 0 : }
280 :
281 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
282 : #if defined(__clang__)
283 : #pragma clang diagnostic push
284 : #pragma clang diagnostic ignored "-Wmissing-braces"
285 : #endif
286 : static const JSFunctionSpec sMethods_specs[] = {
287 : JS_FNSPEC("insertRule", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&insertRule_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
288 : JS_FNSPEC("deleteRule", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&deleteRule_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
289 : JS_FS_END
290 : };
291 : #if defined(__clang__)
292 : #pragma clang diagnostic pop
293 : #endif
294 :
295 :
296 : // Can't be const because the pref-enabled boolean needs to be writable
297 : static Prefable<const JSFunctionSpec> sMethods[] = {
298 : { nullptr, &sMethods_specs[0] },
299 : { nullptr, nullptr }
300 : };
301 :
302 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
303 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
304 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
305 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
306 :
307 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
308 : #if defined(__clang__)
309 : #pragma clang diagnostic push
310 : #pragma clang diagnostic ignored "-Wmissing-braces"
311 : #endif
312 : static const JSPropertySpec sAttributes_specs[] = {
313 : { "ownerRule", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &ownerRule_getterinfo, nullptr, nullptr },
314 : { "cssRules", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &cssRules_getterinfo, nullptr, nullptr },
315 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
316 : };
317 : #if defined(__clang__)
318 : #pragma clang diagnostic pop
319 : #endif
320 :
321 :
322 : // Can't be const because the pref-enabled boolean needs to be writable
323 : static Prefable<const JSPropertySpec> sAttributes[] = {
324 : { nullptr, &sAttributes_specs[0] },
325 : { nullptr, nullptr }
326 : };
327 :
328 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
329 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
330 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
331 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
332 :
333 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
334 : #if defined(__clang__)
335 : #pragma clang diagnostic push
336 : #pragma clang diagnostic ignored "-Wmissing-braces"
337 : #endif
338 : static const JSPropertySpec sChromeAttributes_specs[] = {
339 : { "parsingMode", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &parsingMode_getterinfo, nullptr, nullptr },
340 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
341 : };
342 : #if defined(__clang__)
343 : #pragma clang diagnostic pop
344 : #endif
345 :
346 :
347 : // Can't be const because the pref-enabled boolean needs to be writable
348 : static Prefable<const JSPropertySpec> sChromeAttributes[] = {
349 : { nullptr, &sChromeAttributes_specs[0] },
350 : { nullptr, nullptr }
351 : };
352 :
353 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
354 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
355 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
356 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
357 :
358 :
359 : static uint16_t sNativeProperties_sortedPropertyIndices[4];
360 : static PropertyInfo sNativeProperties_propertyInfos[4];
361 :
362 : static const NativePropertiesN<2> sNativeProperties = {
363 : false, 0,
364 : false, 0,
365 : true, 0 /* sMethods */,
366 : true, 1 /* sAttributes */,
367 : false, 0,
368 : false, 0,
369 : false, 0,
370 : -1,
371 : 4,
372 : sNativeProperties_sortedPropertyIndices,
373 : {
374 : { sMethods, &sNativeProperties_propertyInfos[0] },
375 : { sAttributes, &sNativeProperties_propertyInfos[2] }
376 : }
377 : };
378 : static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
379 : "We have a property info count that is oversized");
380 :
381 : static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[1];
382 : static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[1];
383 :
384 : static const NativePropertiesN<1> sChromeOnlyNativeProperties = {
385 : false, 0,
386 : false, 0,
387 : false, 0,
388 : true, 0 /* sChromeAttributes */,
389 : false, 0,
390 : false, 0,
391 : false, 0,
392 : -1,
393 : 1,
394 : sChromeOnlyNativeProperties_sortedPropertyIndices,
395 : {
396 : { sChromeAttributes, &sChromeOnlyNativeProperties_propertyInfos[0] }
397 : }
398 : };
399 : static_assert(1 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
400 : "We have a property info count that is oversized");
401 :
402 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
403 : {
404 : "Function",
405 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
406 : &sBoringInterfaceObjectClassClassOps,
407 : JS_NULL_CLASS_SPEC,
408 : JS_NULL_CLASS_EXT,
409 : &sInterfaceObjectClassObjectOps
410 : },
411 : eInterface,
412 : true,
413 : prototypes::id::CSSStyleSheet,
414 : PrototypeTraits<prototypes::id::CSSStyleSheet>::Depth,
415 : sNativePropertyHooks,
416 : "function CSSStyleSheet() {\n [native code]\n}",
417 : StyleSheetBinding::GetConstructorObject
418 : };
419 :
420 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
421 : {
422 : "CSSStyleSheetPrototype",
423 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
424 : JS_NULL_CLASS_OPS,
425 : JS_NULL_CLASS_SPEC,
426 : JS_NULL_CLASS_EXT,
427 : JS_NULL_OBJECT_OPS
428 : },
429 : eInterfacePrototype,
430 : false,
431 : prototypes::id::CSSStyleSheet,
432 : PrototypeTraits<prototypes::id::CSSStyleSheet>::Depth,
433 : sNativePropertyHooks,
434 : "[object CSSStyleSheetPrototype]",
435 : StyleSheetBinding::GetProtoObject
436 : };
437 :
438 : JSObject*
439 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
440 : {
441 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
442 : }
443 :
444 : static const js::ClassOps sClassOps = {
445 : _addProperty, /* addProperty */
446 : nullptr, /* delProperty */
447 : nullptr, /* getProperty */
448 : nullptr, /* setProperty */
449 : nullptr, /* enumerate */
450 : nullptr, /* newEnumerate */
451 : nullptr, /* resolve */
452 : nullptr, /* mayResolve */
453 : _finalize, /* finalize */
454 : nullptr, /* call */
455 : nullptr, /* hasInstance */
456 : nullptr, /* construct */
457 : nullptr, /* trace */
458 : };
459 :
460 : static const js::ClassExtension sClassExtension = {
461 : nullptr, /* weakmapKeyDelegateOp */
462 : _objectMoved /* objectMovedOp */
463 : };
464 :
465 : static const DOMJSClass sClass = {
466 : { "CSSStyleSheet",
467 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
468 : &sClassOps,
469 : JS_NULL_CLASS_SPEC,
470 : &sClassExtension,
471 : JS_NULL_OBJECT_OPS
472 : },
473 : { prototypes::id::StyleSheet, prototypes::id::CSSStyleSheet, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
474 : IsBaseOf<nsISupports, mozilla::StyleSheet >::value,
475 : sNativePropertyHooks,
476 : FindAssociatedGlobalForNative<mozilla::StyleSheet>::Get,
477 : GetProtoObjectHandle,
478 : GetCCParticipant<mozilla::StyleSheet>::Get()
479 : };
480 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
481 : "Must have the right minimal number of reserved slots.");
482 : static_assert(1 >= 1,
483 : "Must have enough reserved slots.");
484 :
485 : const JSClass*
486 0 : GetJSClass()
487 : {
488 0 : return sClass.ToJSClass();
489 : }
490 :
491 : bool
492 0 : Wrap(JSContext* aCx, mozilla::StyleSheet* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
493 : {
494 : MOZ_ASSERT(static_cast<mozilla::StyleSheet*>(aObject) ==
495 : reinterpret_cast<mozilla::StyleSheet*>(aObject),
496 : "Multiple inheritance for mozilla::StyleSheet is broken.");
497 : MOZ_ASSERT(static_cast<mozilla::StyleSheet*>(aObject) ==
498 : reinterpret_cast<mozilla::StyleSheet*>(aObject),
499 : "Multiple inheritance for mozilla::StyleSheet is broken.");
500 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
501 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
502 0 : MOZ_ASSERT(!aCache->GetWrapper(),
503 : "You should probably not be using Wrap() directly; use "
504 : "GetOrCreateDOMReflector instead");
505 :
506 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
507 : "nsISupports must be on our primary inheritance chain");
508 :
509 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
510 0 : if (!global) {
511 0 : return false;
512 : }
513 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
514 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
515 :
516 : // That might have ended up wrapping us already, due to the wonders
517 : // of XBL. Check for that, and bail out as needed.
518 0 : aReflector.set(aCache->GetWrapper());
519 0 : if (aReflector) {
520 : #ifdef DEBUG
521 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
522 : #endif // DEBUG
523 0 : return true;
524 : }
525 :
526 0 : JSAutoCompartment ac(aCx, global);
527 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
528 0 : if (!canonicalProto) {
529 0 : return false;
530 : }
531 0 : JS::Rooted<JSObject*> proto(aCx);
532 0 : if (aGivenProto) {
533 0 : proto = aGivenProto;
534 : // Unfortunately, while aGivenProto was in the compartment of aCx
535 : // coming in, we changed compartments to that of "parent" so may need
536 : // to wrap the proto here.
537 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
538 0 : if (!JS_WrapObject(aCx, &proto)) {
539 0 : return false;
540 : }
541 : }
542 : } else {
543 0 : proto = canonicalProto;
544 : }
545 :
546 0 : BindingJSObjectCreator<mozilla::StyleSheet> creator(aCx);
547 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
548 0 : if (!aReflector) {
549 0 : return false;
550 : }
551 :
552 0 : aCache->SetWrapper(aReflector);
553 0 : creator.InitializationSucceeded();
554 :
555 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
556 : aCache->GetWrapperPreserveColor() == aReflector);
557 : // If proto != canonicalProto, we have to preserve our wrapper;
558 : // otherwise we won't be able to properly recreate it later, since
559 : // we won't know what proto to use. Note that we don't check
560 : // aGivenProto here, since it's entirely possible (and even
561 : // somewhat common) to have a non-null aGivenProto which is the
562 : // same as canonicalProto.
563 0 : if (proto != canonicalProto) {
564 0 : PreserveWrapper(aObject);
565 : }
566 :
567 0 : return true;
568 : }
569 :
570 : const NativePropertyHooks sNativePropertyHooks[] = { {
571 : nullptr,
572 : nullptr,
573 : nullptr,
574 : { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
575 : prototypes::id::CSSStyleSheet,
576 : constructors::id::CSSStyleSheet,
577 : StyleSheetBinding::sNativePropertyHooks,
578 : &DefaultXrayExpandoObjectClass
579 : } };
580 :
581 : void
582 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
583 : {
584 0 : JS::Handle<JSObject*> parentProto(StyleSheetBinding::GetProtoObjectHandle(aCx));
585 0 : if (!parentProto) {
586 0 : return;
587 : }
588 :
589 0 : JS::Handle<JSObject*> constructorProto(StyleSheetBinding::GetConstructorObjectHandle(aCx));
590 0 : if (!constructorProto) {
591 0 : return;
592 : }
593 :
594 : static bool sIdsInited = false;
595 0 : if (!sIdsInited && NS_IsMainThread()) {
596 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
597 0 : return;
598 : }
599 0 : if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
600 0 : return;
601 : }
602 0 : sIdsInited = true;
603 : }
604 :
605 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::CSSStyleSheet);
606 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::CSSStyleSheet);
607 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
608 : &sPrototypeClass.mBase, protoCache,
609 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
610 : interfaceCache,
611 : sNativeProperties.Upcast(),
612 0 : nsContentUtils::ThreadsafeIsSystemCaller(aCx) ? sChromeOnlyNativeProperties.Upcast() : nullptr,
613 : "CSSStyleSheet", aDefineOnGlobal,
614 : nullptr,
615 0 : false);
616 : }
617 :
618 : JS::Handle<JSObject*>
619 0 : GetProtoObjectHandle(JSContext* aCx)
620 : {
621 : /* Get the interface prototype object for this class. This will create the
622 : object as needed. */
623 0 : bool aDefineOnGlobal = true;
624 :
625 : /* Make sure our global is sane. Hopefully we can remove this sometime */
626 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
627 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
628 0 : return nullptr;
629 : }
630 :
631 : /* Check to see whether the interface objects are already installed */
632 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
633 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::CSSStyleSheet)) {
634 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
635 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
636 : }
637 :
638 : /*
639 : * The object might _still_ be null, but that's OK.
640 : *
641 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
642 : * traced by TraceProtoAndIfaceCache() and its contents are never
643 : * changed after they have been set.
644 : *
645 : * Calling address() avoids the read read barrier that does gray
646 : * unmarking, but it's not possible for the object to be gray here.
647 : */
648 :
649 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::CSSStyleSheet);
650 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
651 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
652 : }
653 :
654 : JS::Handle<JSObject*>
655 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
656 : {
657 : /* Get the interface object for this class. This will create the object as
658 : needed. */
659 :
660 : /* Make sure our global is sane. Hopefully we can remove this sometime */
661 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
662 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
663 0 : return nullptr;
664 : }
665 :
666 : /* Check to see whether the interface objects are already installed */
667 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
668 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::CSSStyleSheet)) {
669 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
670 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
671 : }
672 :
673 : /*
674 : * The object might _still_ be null, but that's OK.
675 : *
676 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
677 : * traced by TraceProtoAndIfaceCache() and its contents are never
678 : * changed after they have been set.
679 : *
680 : * Calling address() avoids the read read barrier that does gray
681 : * unmarking, but it's not possible for the object to be gray here.
682 : */
683 :
684 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::CSSStyleSheet);
685 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
686 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
687 : }
688 :
689 : JSObject*
690 0 : GetConstructorObject(JSContext* aCx)
691 : {
692 0 : return GetConstructorObjectHandle(aCx);
693 : }
694 :
695 : } // namespace CSSStyleSheetBinding
696 :
697 :
698 :
699 : } // namespace dom
700 : } // namespace mozilla
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