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