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