/work/obj-fuzz/dom/bindings/SharedWorkerBinding.cpp
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1 | | /* THIS FILE IS AUTOGENERATED FROM SharedWorker.webidl BY Codegen.py - DO NOT EDIT */ |
2 | | |
3 | | #include "EventHandlerBinding.h" |
4 | | #include "EventTargetBinding.h" |
5 | | #include "SharedWorkerBinding.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/MessagePort.h" |
11 | | #include "mozilla/dom/NonRefcountedDOMObject.h" |
12 | | #include "mozilla/dom/Nullable.h" |
13 | | #include "mozilla/dom/SharedWorker.h" |
14 | | #include "mozilla/dom/UnionConversions.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 | | bool |
25 | | StringOrWorkerOptions::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const |
26 | 0 | { |
27 | 0 | switch (mType) { |
28 | 0 | case eUninitialized: { |
29 | 0 | return false; |
30 | 0 | break; |
31 | 0 | } |
32 | 0 | case eString: { |
33 | 0 | if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) { |
34 | 0 | return false; |
35 | 0 | } |
36 | 0 | return true; |
37 | 0 | break; |
38 | 0 | } |
39 | 0 | case eWorkerOptions: { |
40 | 0 | if (!mValue.mWorkerOptions.Value().ToObjectInternal(cx, rval)) { |
41 | 0 | return false; |
42 | 0 | } |
43 | 0 | return true; |
44 | 0 | break; |
45 | 0 | } |
46 | 0 | default: { |
47 | 0 | return false; |
48 | 0 | break; |
49 | 0 | } |
50 | 0 | } |
51 | 0 | |
52 | 0 | return false; |
53 | 0 | } |
54 | | |
55 | | |
56 | | nsString& |
57 | | OwningStringOrWorkerOptions::RawSetAsString() |
58 | 0 | { |
59 | 0 | if (mType == eString) { |
60 | 0 | return mValue.mString.Value(); |
61 | 0 | } |
62 | 0 | MOZ_ASSERT(mType == eUninitialized); |
63 | 0 | mType = eString; |
64 | 0 | return mValue.mString.SetValue(); |
65 | 0 | } |
66 | | |
67 | | nsString& |
68 | | OwningStringOrWorkerOptions::SetAsString() |
69 | 0 | { |
70 | 0 | if (mType == eString) { |
71 | 0 | return mValue.mString.Value(); |
72 | 0 | } |
73 | 0 | Uninit(); |
74 | 0 | mType = eString; |
75 | 0 | return mValue.mString.SetValue(); |
76 | 0 | } |
77 | | |
78 | | bool |
79 | | OwningStringOrWorkerOptions::TrySetToString(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl) |
80 | 0 | { |
81 | 0 | tryNext = false; |
82 | 0 | { // scope for memberSlot |
83 | 0 | nsString& memberSlot = RawSetAsString(); |
84 | 0 | if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) { |
85 | 0 | return false; |
86 | 0 | } |
87 | 0 | } |
88 | 0 | return true; |
89 | 0 | } |
90 | | |
91 | | |
92 | | void |
93 | | OwningStringOrWorkerOptions::DestroyString() |
94 | 0 | { |
95 | 0 | MOZ_ASSERT(IsString(), "Wrong type!"); |
96 | 0 | mValue.mString.Destroy(); |
97 | 0 | mType = eUninitialized; |
98 | 0 | } |
99 | | |
100 | | |
101 | | |
102 | | |
103 | | WorkerOptions& |
104 | | OwningStringOrWorkerOptions::RawSetAsWorkerOptions() |
105 | 0 | { |
106 | 0 | if (mType == eWorkerOptions) { |
107 | 0 | return mValue.mWorkerOptions.Value(); |
108 | 0 | } |
109 | 0 | MOZ_ASSERT(mType == eUninitialized); |
110 | 0 | mType = eWorkerOptions; |
111 | 0 | return mValue.mWorkerOptions.SetValue(); |
112 | 0 | } |
113 | | |
114 | | WorkerOptions& |
115 | | OwningStringOrWorkerOptions::SetAsWorkerOptions() |
116 | 0 | { |
117 | 0 | if (mType == eWorkerOptions) { |
118 | 0 | return mValue.mWorkerOptions.Value(); |
119 | 0 | } |
120 | 0 | Uninit(); |
121 | 0 | mType = eWorkerOptions; |
122 | 0 | return mValue.mWorkerOptions.SetValue(); |
123 | 0 | } |
124 | | |
125 | | bool |
126 | | OwningStringOrWorkerOptions::TrySetToWorkerOptions(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl) |
127 | 0 | { |
128 | 0 | tryNext = false; |
129 | 0 | { // scope for memberSlot |
130 | 0 | WorkerOptions& memberSlot = RawSetAsWorkerOptions(); |
131 | 0 | if (!IsConvertibleToDictionary(value)) { |
132 | 0 | DestroyWorkerOptions(); |
133 | 0 | tryNext = true; |
134 | 0 | return true; |
135 | 0 | } |
136 | 0 | if (!memberSlot.Init(cx, value, "Member of StringOrWorkerOptions", passedToJSImpl)) { |
137 | 0 | return false; |
138 | 0 | } |
139 | 0 | } |
140 | 0 | return true; |
141 | 0 | } |
142 | | |
143 | | void |
144 | | OwningStringOrWorkerOptions::DestroyWorkerOptions() |
145 | 0 | { |
146 | 0 | MOZ_ASSERT(IsWorkerOptions(), "Wrong type!"); |
147 | 0 | mValue.mWorkerOptions.Destroy(); |
148 | 0 | mType = eUninitialized; |
149 | 0 | } |
150 | | |
151 | | |
152 | | |
153 | | |
154 | | void |
155 | | OwningStringOrWorkerOptions::Uninit() |
156 | | { |
157 | | switch (mType) { |
158 | | case eUninitialized: { |
159 | | break; |
160 | | } |
161 | | case eString: { |
162 | | DestroyString(); |
163 | | break; |
164 | | } |
165 | | case eWorkerOptions: { |
166 | | DestroyWorkerOptions(); |
167 | | break; |
168 | | } |
169 | | } |
170 | | } |
171 | | |
172 | | bool |
173 | | OwningStringOrWorkerOptions::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const |
174 | 0 | { |
175 | 0 | switch (mType) { |
176 | 0 | case eUninitialized: { |
177 | 0 | return false; |
178 | 0 | break; |
179 | 0 | } |
180 | 0 | case eString: { |
181 | 0 | if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) { |
182 | 0 | return false; |
183 | 0 | } |
184 | 0 | return true; |
185 | 0 | break; |
186 | 0 | } |
187 | 0 | case eWorkerOptions: { |
188 | 0 | if (!mValue.mWorkerOptions.Value().ToObjectInternal(cx, rval)) { |
189 | 0 | return false; |
190 | 0 | } |
191 | 0 | return true; |
192 | 0 | break; |
193 | 0 | } |
194 | 0 | default: { |
195 | 0 | return false; |
196 | 0 | break; |
197 | 0 | } |
198 | 0 | } |
199 | 0 | |
200 | 0 | return false; |
201 | 0 | } |
202 | | |
203 | | void |
204 | | OwningStringOrWorkerOptions::TraceUnion(JSTracer* trc) |
205 | 0 | { |
206 | 0 | } |
207 | | |
208 | | OwningStringOrWorkerOptions& |
209 | | OwningStringOrWorkerOptions::operator=(const OwningStringOrWorkerOptions& aOther) |
210 | 0 | { |
211 | 0 | switch (aOther.mType) { |
212 | 0 | case eUninitialized: { |
213 | 0 | MOZ_ASSERT(mType == eUninitialized, |
214 | 0 | "We need to destroy ourselves?"); |
215 | 0 | break; |
216 | 0 | } |
217 | 0 | case eString: { |
218 | 0 | SetAsString() = aOther.GetAsString(); |
219 | 0 | break; |
220 | 0 | } |
221 | 0 | case eWorkerOptions: { |
222 | 0 | SetAsWorkerOptions() = aOther.GetAsWorkerOptions(); |
223 | 0 | break; |
224 | 0 | } |
225 | 0 | } |
226 | 0 | return *this; |
227 | 0 | } |
228 | | |
229 | | |
230 | | namespace SharedWorker_Binding { |
231 | | |
232 | | static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventTarget_Binding::NativeType>::value, |
233 | | "Can't inherit from an interface with a different ownership model."); |
234 | | |
235 | | MOZ_CAN_RUN_SCRIPT static bool |
236 | | get_port(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SharedWorker* self, JSJitGetterCallArgs args) |
237 | 0 | { |
238 | 0 | AUTO_PROFILER_LABEL_FAST("get SharedWorker.port", DOM, cx); |
239 | 0 |
|
240 | 0 | auto result(StrongOrRawPtr<mozilla::dom::MessagePort>(self->Port())); |
241 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
242 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval())) { |
243 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
244 | 0 | return false; |
245 | 0 | } |
246 | 0 | return true; |
247 | 0 | } |
248 | | |
249 | | static const JSJitInfo port_getterinfo = { |
250 | | { (JSJitGetterOp)get_port }, |
251 | | { prototypes::id::SharedWorker }, |
252 | | { PrototypeTraits<prototypes::id::SharedWorker>::Depth }, |
253 | | JSJitInfo::Getter, |
254 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
255 | | JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */ |
256 | | false, /* isInfallible. False in setters. */ |
257 | | false, /* isMovable. Not relevant for setters. */ |
258 | | false, /* isEliminatable. Not relevant for setters. */ |
259 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
260 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
261 | | false, /* isTypedMethod. Only relevant for methods. */ |
262 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
263 | | }; |
264 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
265 | | static_assert(0 < 1, "There is no slot for us"); |
266 | | |
267 | | MOZ_CAN_RUN_SCRIPT static bool |
268 | | get_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SharedWorker* self, JSJitGetterCallArgs args) |
269 | 0 | { |
270 | 0 | AUTO_PROFILER_LABEL_FAST("get SharedWorker.onerror", DOM, cx); |
271 | 0 |
|
272 | 0 | RefPtr<EventHandlerNonNull> result(self->GetOnerror()); |
273 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
274 | 0 | if (result) { |
275 | 0 | args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); |
276 | 0 | if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { |
277 | 0 | return false; |
278 | 0 | } |
279 | 0 | return true; |
280 | 0 | } else { |
281 | 0 | args.rval().setNull(); |
282 | 0 | return true; |
283 | 0 | } |
284 | 0 | } |
285 | | |
286 | | MOZ_CAN_RUN_SCRIPT static bool |
287 | | set_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SharedWorker* self, JSJitSetterCallArgs args) |
288 | 0 | { |
289 | 0 | AUTO_PROFILER_LABEL_FAST("set SharedWorker.onerror", DOM, cx); |
290 | 0 |
|
291 | 0 | RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx); |
292 | 0 | if (args[0].isObject()) { |
293 | 0 | { // scope for tempRoot and tempGlobalRoot if needed |
294 | 0 | arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); |
295 | 0 | } |
296 | 0 | } else { |
297 | 0 | arg0 = nullptr; |
298 | 0 | } |
299 | 0 | self->SetOnerror(Constify(arg0)); |
300 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
301 | 0 |
|
302 | 0 | return true; |
303 | 0 | } |
304 | | |
305 | | static const JSJitInfo onerror_getterinfo = { |
306 | | { (JSJitGetterOp)get_onerror }, |
307 | | { prototypes::id::SharedWorker }, |
308 | | { PrototypeTraits<prototypes::id::SharedWorker>::Depth }, |
309 | | JSJitInfo::Getter, |
310 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
311 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
312 | | false, /* isInfallible. False in setters. */ |
313 | | false, /* isMovable. Not relevant for setters. */ |
314 | | false, /* isEliminatable. Not relevant for setters. */ |
315 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
316 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
317 | | false, /* isTypedMethod. Only relevant for methods. */ |
318 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
319 | | }; |
320 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
321 | | static_assert(0 < 1, "There is no slot for us"); |
322 | | static const JSJitInfo onerror_setterinfo = { |
323 | | { (JSJitGetterOp)set_onerror }, |
324 | | { prototypes::id::SharedWorker }, |
325 | | { PrototypeTraits<prototypes::id::SharedWorker>::Depth }, |
326 | | JSJitInfo::Setter, |
327 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
328 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
329 | | false, /* isInfallible. False in setters. */ |
330 | | false, /* isMovable. Not relevant for setters. */ |
331 | | false, /* isEliminatable. Not relevant for setters. */ |
332 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
333 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
334 | | false, /* isTypedMethod. Only relevant for methods. */ |
335 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
336 | | }; |
337 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
338 | | static_assert(0 < 1, "There is no slot for us"); |
339 | | |
340 | | static bool |
341 | | _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val) |
342 | 0 | { |
343 | 0 | mozilla::dom::SharedWorker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SharedWorker>(obj); |
344 | 0 | // We don't want to preserve if we don't have a wrapper, and we |
345 | 0 | // obviously can't preserve if we're not initialized. |
346 | 0 | if (self && self->GetWrapperPreserveColor()) { |
347 | 0 | PreserveWrapper(self); |
348 | 0 | } |
349 | 0 | return true; |
350 | 0 | } |
351 | | |
352 | | static void |
353 | | _finalize(js::FreeOp* fop, JSObject* obj) |
354 | 0 | { |
355 | 0 | mozilla::dom::SharedWorker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SharedWorker>(obj); |
356 | 0 | if (self) { |
357 | 0 | ClearWrapper(self, self, obj); |
358 | 0 | AddForDeferredFinalization<mozilla::dom::SharedWorker>(self); |
359 | 0 | } |
360 | 0 | } |
361 | | |
362 | | static size_t |
363 | | _objectMoved(JSObject* obj, JSObject* old) |
364 | 0 | { |
365 | 0 | mozilla::dom::SharedWorker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SharedWorker>(obj); |
366 | 0 | if (self) { |
367 | 0 | UpdateWrapper(self, self, obj, old); |
368 | 0 | } |
369 | 0 |
|
370 | 0 | return 0; |
371 | 0 | } |
372 | | |
373 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
374 | | #if defined(__clang__) |
375 | | #pragma clang diagnostic push |
376 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
377 | | #endif |
378 | | static const JSPropertySpec sAttributes_specs[] = { |
379 | | { "port", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &port_getterinfo, nullptr, nullptr }, |
380 | | { "onerror", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onerror_getterinfo, GenericSetter<NormalThisPolicy>, &onerror_setterinfo }, |
381 | | { nullptr, 0, nullptr, nullptr, nullptr, nullptr } |
382 | | }; |
383 | | #if defined(__clang__) |
384 | | #pragma clang diagnostic pop |
385 | | #endif |
386 | | |
387 | | |
388 | | static const Prefable<const JSPropertySpec> sAttributes[] = { |
389 | | { nullptr, &sAttributes_specs[0] }, |
390 | | { nullptr, nullptr } |
391 | | }; |
392 | | |
393 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
394 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
395 | | static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
396 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
397 | | |
398 | | |
399 | | static uint16_t sNativeProperties_sortedPropertyIndices[2]; |
400 | | static PropertyInfo sNativeProperties_propertyInfos[2]; |
401 | | |
402 | | static const NativePropertiesN<1> sNativeProperties = { |
403 | | false, 0, |
404 | | false, 0, |
405 | | false, 0, |
406 | | true, 0 /* sAttributes */, |
407 | | false, 0, |
408 | | false, 0, |
409 | | false, 0, |
410 | | -1, |
411 | | 2, |
412 | | sNativeProperties_sortedPropertyIndices, |
413 | | { |
414 | | { sAttributes, &sNativeProperties_propertyInfos[0] } |
415 | | } |
416 | | }; |
417 | | static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount), |
418 | | "We have a property info count that is oversized"); |
419 | | |
420 | | static bool |
421 | | _constructor(JSContext* cx, unsigned argc, JS::Value* vp) |
422 | 0 | { |
423 | 0 | AUTO_PROFILER_LABEL_FAST("SharedWorker constructor", DOM, cx); |
424 | 0 |
|
425 | 0 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
426 | 0 | JS::Rooted<JSObject*> obj(cx, &args.callee()); |
427 | 0 | if (!args.isConstructing()) { |
428 | 0 | // XXXbz wish I could get the name from the callee instead of |
429 | 0 | // Adding more relocations |
430 | 0 | return ThrowConstructorWithoutNew(cx, "SharedWorker"); |
431 | 0 | } |
432 | 0 | |
433 | 0 | JS::Rooted<JSObject*> desiredProto(cx); |
434 | 0 | if (!GetDesiredProto(cx, args, &desiredProto)) { |
435 | 0 | return false; |
436 | 0 | } |
437 | 0 | |
438 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
439 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "SharedWorker"); |
440 | 0 | } |
441 | 0 | GlobalObject global(cx, obj); |
442 | 0 | if (global.Failed()) { |
443 | 0 | return false; |
444 | 0 | } |
445 | 0 | |
446 | 0 | bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); |
447 | 0 | binding_detail::FakeString arg0; |
448 | 0 | if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { |
449 | 0 | return false; |
450 | 0 | } |
451 | 0 | NormalizeUSVString(arg0); |
452 | 0 | StringOrWorkerOptions arg1; |
453 | 0 | StringOrWorkerOptionsArgument arg1_holder(arg1); |
454 | 0 | if (!(args.hasDefined(1))) { |
455 | 0 | if (!arg1.RawSetAsWorkerOptions().Init(cx, JS::NullHandleValue, "Member of StringOrWorkerOptions")) { |
456 | 0 | return false; |
457 | 0 | } |
458 | 0 | } else { |
459 | 0 | { |
460 | 0 | bool done = false, failed = false, tryNext; |
461 | 0 | if (!done) { |
462 | 0 | done = (failed = !arg1_holder.TrySetToWorkerOptions(cx, args[1], tryNext, false)) || !tryNext; |
463 | 0 | } |
464 | 0 | if (!done) { |
465 | 0 | do { |
466 | 0 | done = (failed = !arg1_holder.TrySetToString(cx, args[1], tryNext)) || !tryNext; |
467 | 0 | break; |
468 | 0 | } while (false); |
469 | 0 | } |
470 | 0 | if (failed) { |
471 | 0 | return false; |
472 | 0 | } |
473 | 0 | if (!done) { |
474 | 0 | ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 2 of SharedWorker.constructor", "WorkerOptions"); |
475 | 0 | return false; |
476 | 0 | } |
477 | 0 | } |
478 | 0 | } |
479 | 0 | Maybe<JSAutoRealm> ar; |
480 | 0 | if (objIsXray) { |
481 | 0 | obj = js::CheckedUnwrap(obj); |
482 | 0 | if (!obj) { |
483 | 0 | return false; |
484 | 0 | } |
485 | 0 | ar.emplace(cx, obj); |
486 | 0 | if (!JS_WrapObject(cx, &desiredProto)) { |
487 | 0 | return false; |
488 | 0 | } |
489 | 0 | } |
490 | 0 | FastErrorResult rv; |
491 | 0 | auto result(StrongOrRawPtr<mozilla::dom::SharedWorker>(mozilla::dom::SharedWorker::Constructor(global, Constify(arg0), Constify(arg1), rv))); |
492 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
493 | 0 | return false; |
494 | 0 | } |
495 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
496 | 0 | static_assert(!IsPointer<decltype(result)>::value, |
497 | 0 | "NewObject implies that we need to keep the object alive with a strong reference."); |
498 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { |
499 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
500 | 0 | return false; |
501 | 0 | } |
502 | 0 | return true; |
503 | 0 | } |
504 | | |
505 | | static const js::ClassOps sInterfaceObjectClassOps = { |
506 | | nullptr, /* addProperty */ |
507 | | nullptr, /* delProperty */ |
508 | | nullptr, /* enumerate */ |
509 | | nullptr, /* newEnumerate */ |
510 | | nullptr, /* resolve */ |
511 | | nullptr, /* mayResolve */ |
512 | | nullptr, /* finalize */ |
513 | | _constructor, /* call */ |
514 | | nullptr, /* hasInstance */ |
515 | | _constructor, /* construct */ |
516 | | nullptr, /* trace */ |
517 | | }; |
518 | | |
519 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
520 | | { |
521 | | "Function", |
522 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
523 | | &sInterfaceObjectClassOps, |
524 | | JS_NULL_CLASS_SPEC, |
525 | | JS_NULL_CLASS_EXT, |
526 | | &sInterfaceObjectClassObjectOps |
527 | | }, |
528 | | eInterface, |
529 | | true, |
530 | | prototypes::id::SharedWorker, |
531 | | PrototypeTraits<prototypes::id::SharedWorker>::Depth, |
532 | | sNativePropertyHooks, |
533 | | "function SharedWorker() {\n [native code]\n}", |
534 | | EventTarget_Binding::GetConstructorObject |
535 | | }; |
536 | | |
537 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
538 | | { |
539 | | "SharedWorkerPrototype", |
540 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
541 | | JS_NULL_CLASS_OPS, |
542 | | JS_NULL_CLASS_SPEC, |
543 | | JS_NULL_CLASS_EXT, |
544 | | JS_NULL_OBJECT_OPS |
545 | | }, |
546 | | eInterfacePrototype, |
547 | | false, |
548 | | prototypes::id::SharedWorker, |
549 | | PrototypeTraits<prototypes::id::SharedWorker>::Depth, |
550 | | sNativePropertyHooks, |
551 | | "[object SharedWorkerPrototype]", |
552 | | EventTarget_Binding::GetProtoObject |
553 | | }; |
554 | | |
555 | | static const js::ClassOps sClassOps = { |
556 | | _addProperty, /* addProperty */ |
557 | | nullptr, /* delProperty */ |
558 | | nullptr, /* enumerate */ |
559 | | nullptr, /* newEnumerate */ |
560 | | nullptr, /* resolve */ |
561 | | nullptr, /* mayResolve */ |
562 | | _finalize, /* finalize */ |
563 | | nullptr, /* call */ |
564 | | nullptr, /* hasInstance */ |
565 | | nullptr, /* construct */ |
566 | | nullptr, /* trace */ |
567 | | }; |
568 | | |
569 | | static const js::ClassExtension sClassExtension = { |
570 | | nullptr, /* weakmapKeyDelegateOp */ |
571 | | _objectMoved /* objectMovedOp */ |
572 | | }; |
573 | | |
574 | | static const DOMJSClass sClass = { |
575 | | { "SharedWorker", |
576 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1), |
577 | | &sClassOps, |
578 | | JS_NULL_CLASS_SPEC, |
579 | | &sClassExtension, |
580 | | JS_NULL_OBJECT_OPS |
581 | | }, |
582 | | { prototypes::id::EventTarget, prototypes::id::SharedWorker, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
583 | | IsBaseOf<nsISupports, mozilla::dom::SharedWorker >::value, |
584 | | sNativePropertyHooks, |
585 | | FindAssociatedGlobalForNative<mozilla::dom::SharedWorker>::Get, |
586 | | GetProtoObjectHandle, |
587 | | GetCCParticipant<mozilla::dom::SharedWorker>::Get() |
588 | | }; |
589 | | static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, |
590 | | "Must have the right minimal number of reserved slots."); |
591 | | static_assert(1 >= 1, |
592 | | "Must have enough reserved slots."); |
593 | | |
594 | | const JSClass* |
595 | | GetJSClass() |
596 | 0 | { |
597 | 0 | return sClass.ToJSClass(); |
598 | 0 | } |
599 | | |
600 | | bool |
601 | | Wrap(JSContext* aCx, mozilla::dom::SharedWorker* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
602 | 0 | { |
603 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::SharedWorker>::value, |
604 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
605 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::SharedWorker*>(aObject) == |
606 | 0 | reinterpret_cast<mozilla::dom::SharedWorker*>(aObject), |
607 | 0 | "Multiple inheritance for mozilla::dom::SharedWorker is broken."); |
608 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) == |
609 | 0 | reinterpret_cast<mozilla::dom::EventTarget*>(aObject), |
610 | 0 | "Multiple inheritance for mozilla::dom::EventTarget is broken."); |
611 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
612 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
613 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
614 | 0 | "You should probably not be using Wrap() directly; use " |
615 | 0 | "GetOrCreateDOMReflector instead"); |
616 | 0 |
|
617 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
618 | 0 | "nsISupports must be on our primary inheritance chain"); |
619 | 0 |
|
620 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
621 | 0 | if (!global) { |
622 | 0 | return false; |
623 | 0 | } |
624 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
625 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
626 | 0 |
|
627 | 0 | // That might have ended up wrapping us already, due to the wonders |
628 | 0 | // of XBL. Check for that, and bail out as needed. |
629 | 0 | aReflector.set(aCache->GetWrapper()); |
630 | 0 | if (aReflector) { |
631 | | #ifdef DEBUG |
632 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
633 | | #endif // DEBUG |
634 | | return true; |
635 | 0 | } |
636 | 0 |
|
637 | 0 | JSAutoRealm ar(aCx, global); |
638 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
639 | 0 | if (!canonicalProto) { |
640 | 0 | return false; |
641 | 0 | } |
642 | 0 | JS::Rooted<JSObject*> proto(aCx); |
643 | 0 | if (aGivenProto) { |
644 | 0 | proto = aGivenProto; |
645 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
646 | 0 | // coming in, we changed compartments to that of "parent" so may need |
647 | 0 | // to wrap the proto here. |
648 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
649 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
650 | 0 | return false; |
651 | 0 | } |
652 | 0 | } |
653 | 0 | } else { |
654 | 0 | proto = canonicalProto; |
655 | 0 | } |
656 | 0 |
|
657 | 0 | BindingJSObjectCreator<mozilla::dom::SharedWorker> creator(aCx); |
658 | 0 | creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); |
659 | 0 | if (!aReflector) { |
660 | 0 | return false; |
661 | 0 | } |
662 | 0 | |
663 | 0 | aCache->SetWrapper(aReflector); |
664 | 0 | creator.InitializationSucceeded(); |
665 | 0 |
|
666 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
667 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
668 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
669 | 0 | // otherwise we won't be able to properly recreate it later, since |
670 | 0 | // we won't know what proto to use. Note that we don't check |
671 | 0 | // aGivenProto here, since it's entirely possible (and even |
672 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
673 | 0 | // same as canonicalProto. |
674 | 0 | if (proto != canonicalProto) { |
675 | 0 | PreserveWrapper(aObject); |
676 | 0 | } |
677 | 0 |
|
678 | 0 | return true; |
679 | 0 | } |
680 | | |
681 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
682 | | nullptr, |
683 | | nullptr, |
684 | | nullptr, |
685 | | { sNativeProperties.Upcast(), nullptr }, |
686 | | prototypes::id::SharedWorker, |
687 | | constructors::id::SharedWorker, |
688 | | EventTarget_Binding::sNativePropertyHooks, |
689 | | &DefaultXrayExpandoObjectClass |
690 | | } }; |
691 | | |
692 | | void |
693 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
694 | 0 | { |
695 | 0 | JS::Handle<JSObject*> parentProto(EventTarget_Binding::GetProtoObjectHandle(aCx)); |
696 | 0 | if (!parentProto) { |
697 | 0 | return; |
698 | 0 | } |
699 | 0 | |
700 | 0 | JS::Handle<JSObject*> constructorProto(EventTarget_Binding::GetConstructorObjectHandle(aCx)); |
701 | 0 | if (!constructorProto) { |
702 | 0 | return; |
703 | 0 | } |
704 | 0 | |
705 | 0 | static bool sIdsInited = false; |
706 | 0 | if (!sIdsInited && NS_IsMainThread()) { |
707 | 0 | if (!InitIds(aCx, sNativeProperties.Upcast())) { |
708 | 0 | return; |
709 | 0 | } |
710 | 0 | sIdsInited = true; |
711 | 0 | } |
712 | 0 |
|
713 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::SharedWorker); |
714 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::SharedWorker); |
715 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
716 | 0 | &sPrototypeClass.mBase, protoCache, |
717 | 0 | nullptr, |
718 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr, |
719 | 0 | interfaceCache, |
720 | 0 | sNativeProperties.Upcast(), |
721 | 0 | nullptr, |
722 | 0 | "SharedWorker", aDefineOnGlobal, |
723 | 0 | nullptr, |
724 | 0 | false); |
725 | 0 | } |
726 | | |
727 | | JSObject* |
728 | | GetConstructorObject(JSContext* aCx) |
729 | 0 | { |
730 | 0 | return GetConstructorObjectHandle(aCx); |
731 | 0 | } |
732 | | |
733 | | } // namespace SharedWorker_Binding |
734 | | |
735 | | |
736 | | |
737 | | } // namespace dom |
738 | | } // namespace mozilla |