/work/obj-fuzz/dom/bindings/ConstantSourceNodeBinding.cpp
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1 | | /* THIS FILE IS AUTOGENERATED FROM ConstantSourceNode.webidl BY Codegen.py - DO NOT EDIT */ |
2 | | |
3 | | #include "AtomList.h" |
4 | | #include "AudioScheduledSourceNodeBinding.h" |
5 | | #include "ConstantSourceNodeBinding.h" |
6 | | #include "WrapperFactory.h" |
7 | | #include "mozilla/FloatingPoint.h" |
8 | | #include "mozilla/OwningNonNull.h" |
9 | | #include "mozilla/Preferences.h" |
10 | | #include "mozilla/dom/AudioContext.h" |
11 | | #include "mozilla/dom/AudioParam.h" |
12 | | #include "mozilla/dom/BindingUtils.h" |
13 | | #include "mozilla/dom/ConstantSourceNode.h" |
14 | | #include "mozilla/dom/DOMJSClass.h" |
15 | | #include "mozilla/dom/NonRefcountedDOMObject.h" |
16 | | #include "mozilla/dom/PrimitiveConversions.h" |
17 | | #include "mozilla/dom/ScriptSettings.h" |
18 | | #include "mozilla/dom/SimpleGlobalObject.h" |
19 | | #include "mozilla/dom/XrayExpandoClass.h" |
20 | | |
21 | | namespace mozilla { |
22 | | namespace dom { |
23 | | |
24 | | namespace binding_detail {}; // Just to make sure it's known as a namespace |
25 | | using namespace mozilla::dom::binding_detail; |
26 | | |
27 | | |
28 | | |
29 | | ConstantSourceOptions::ConstantSourceOptions() |
30 | 0 | { |
31 | 0 | // Safe to pass a null context if we pass a null value |
32 | 0 | Init(nullptr, JS::NullHandleValue); |
33 | 0 | } |
34 | | |
35 | | |
36 | | |
37 | | bool |
38 | | ConstantSourceOptions::InitIds(JSContext* cx, ConstantSourceOptionsAtoms* atomsCache) |
39 | 0 | { |
40 | 0 | MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache)); |
41 | 0 |
|
42 | 0 | // Initialize these in reverse order so that any failure leaves the first one |
43 | 0 | // uninitialized. |
44 | 0 | if (!atomsCache->offset_id.init(cx, "offset")) { |
45 | 0 | return false; |
46 | 0 | } |
47 | 0 | return true; |
48 | 0 | } |
49 | | |
50 | | bool |
51 | | ConstantSourceOptions::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl) |
52 | 0 | { |
53 | 0 | // Passing a null JSContext is OK only if we're initing from null, |
54 | 0 | // Since in that case we will not have to do any property gets |
55 | 0 | // Also evaluate isNullOrUndefined in order to avoid false-positive |
56 | 0 | // checkers by static analysis tools |
57 | 0 | MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined()); |
58 | 0 | ConstantSourceOptionsAtoms* atomsCache = nullptr; |
59 | 0 | if (cx) { |
60 | 0 | atomsCache = GetAtomCache<ConstantSourceOptionsAtoms>(cx); |
61 | 0 | if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) { |
62 | 0 | return false; |
63 | 0 | } |
64 | 0 | } |
65 | 0 | |
66 | 0 | if (!IsConvertibleToDictionary(val)) { |
67 | 0 | return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription); |
68 | 0 | } |
69 | 0 | |
70 | 0 | bool isNull = val.isNullOrUndefined(); |
71 | 0 | // We only need these if !isNull, in which case we have |cx|. |
72 | 0 | Maybe<JS::Rooted<JSObject *> > object; |
73 | 0 | Maybe<JS::Rooted<JS::Value> > temp; |
74 | 0 | if (!isNull) { |
75 | 0 | MOZ_ASSERT(cx); |
76 | 0 | object.emplace(cx, &val.toObject()); |
77 | 0 | temp.emplace(cx); |
78 | 0 | } |
79 | 0 | if (!isNull) { |
80 | 0 | if (!JS_GetPropertyById(cx, *object, atomsCache->offset_id, temp.ptr())) { |
81 | 0 | return false; |
82 | 0 | } |
83 | 0 | } |
84 | 0 | if (!isNull && !temp->isUndefined()) { |
85 | 0 | if (!ValueToPrimitive<float, eDefault>(cx, temp.ref(), &mOffset)) { |
86 | 0 | return false; |
87 | 0 | } else if (!mozilla::IsFinite(mOffset)) { |
88 | 0 | ThrowErrorMessage(cx, MSG_NOT_FINITE, "'offset' member of ConstantSourceOptions"); |
89 | 0 | return false; |
90 | 0 | } |
91 | 0 | } else { |
92 | 0 | mOffset = 1.0F; |
93 | 0 | } |
94 | 0 | mIsAnyMemberPresent = true; |
95 | 0 | return true; |
96 | 0 | } |
97 | | |
98 | | bool |
99 | | ConstantSourceOptions::Init(const nsAString& aJSON) |
100 | 0 | { |
101 | 0 | AutoJSAPI jsapi; |
102 | 0 | JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail); |
103 | 0 | if (!cleanGlobal) { |
104 | 0 | return false; |
105 | 0 | } |
106 | 0 | if (!jsapi.Init(cleanGlobal)) { |
107 | 0 | return false; |
108 | 0 | } |
109 | 0 | JSContext* cx = jsapi.cx(); |
110 | 0 | JS::Rooted<JS::Value> json(cx); |
111 | 0 | bool ok = ParseJSON(cx, aJSON, &json); |
112 | 0 | NS_ENSURE_TRUE(ok, false); |
113 | 0 | return Init(cx, json); |
114 | 0 | } |
115 | | |
116 | | bool |
117 | | ConstantSourceOptions::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const |
118 | 0 | { |
119 | 0 | ConstantSourceOptionsAtoms* atomsCache = GetAtomCache<ConstantSourceOptionsAtoms>(cx); |
120 | 0 | if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) { |
121 | 0 | return false; |
122 | 0 | } |
123 | 0 | |
124 | 0 | JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx)); |
125 | 0 | if (!obj) { |
126 | 0 | return false; |
127 | 0 | } |
128 | 0 | rval.set(JS::ObjectValue(*obj)); |
129 | 0 |
|
130 | 0 | do { |
131 | 0 | // block for our 'break' successCode and scope for 'temp' and 'currentValue' |
132 | 0 | JS::Rooted<JS::Value> temp(cx); |
133 | 0 | float const & currentValue = mOffset; |
134 | 0 | temp.set(JS_NumberValue(double(currentValue))); |
135 | 0 | if (!JS_DefinePropertyById(cx, obj, atomsCache->offset_id, temp, JSPROP_ENUMERATE)) { |
136 | 0 | return false; |
137 | 0 | } |
138 | 0 | break; |
139 | 0 | } while(false); |
140 | 0 |
|
141 | 0 | return true; |
142 | 0 | } |
143 | | |
144 | | bool |
145 | | ConstantSourceOptions::ToJSON(nsAString& aJSON) const |
146 | 0 | { |
147 | 0 | AutoJSAPI jsapi; |
148 | 0 | jsapi.Init(); |
149 | 0 | JSContext *cx = jsapi.cx(); |
150 | 0 | // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here |
151 | 0 | // because we'll only be creating objects, in ways that have no |
152 | 0 | // side-effects, followed by a call to JS::ToJSONMaybeSafely, |
153 | 0 | // which likewise guarantees no side-effects for the sorts of |
154 | 0 | // things we will pass it. |
155 | 0 | JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal()); |
156 | 0 | JS::Rooted<JS::Value> val(cx); |
157 | 0 | if (!ToObjectInternal(cx, &val)) { |
158 | 0 | return false; |
159 | 0 | } |
160 | 0 | JS::Rooted<JSObject*> obj(cx, &val.toObject()); |
161 | 0 | return StringifyToJSON(cx, obj, aJSON); |
162 | 0 | } |
163 | | |
164 | | void |
165 | | ConstantSourceOptions::TraceDictionary(JSTracer* trc) |
166 | 0 | { |
167 | 0 | } |
168 | | |
169 | | ConstantSourceOptions& |
170 | | ConstantSourceOptions::operator=(const ConstantSourceOptions& aOther) |
171 | 0 | { |
172 | 0 | DictionaryBase::operator=(aOther); |
173 | 0 | mOffset = aOther.mOffset; |
174 | 0 | return *this; |
175 | 0 | } |
176 | | |
177 | | namespace binding_detail { |
178 | | } // namespace binding_detail |
179 | | |
180 | | |
181 | | namespace ConstantSourceNode_Binding { |
182 | | |
183 | | static_assert(IsRefcounted<NativeType>::value == IsRefcounted<AudioScheduledSourceNode_Binding::NativeType>::value, |
184 | | "Can't inherit from an interface with a different ownership model."); |
185 | | |
186 | | MOZ_CAN_RUN_SCRIPT static bool |
187 | | get_offset(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ConstantSourceNode* self, JSJitGetterCallArgs args) |
188 | 0 | { |
189 | 0 | AUTO_PROFILER_LABEL_FAST("get ConstantSourceNode.offset", DOM, cx); |
190 | 0 |
|
191 | 0 | auto result(StrongOrRawPtr<mozilla::dom::AudioParam>(self->Offset())); |
192 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
193 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval())) { |
194 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
195 | 0 | return false; |
196 | 0 | } |
197 | 0 | return true; |
198 | 0 | } |
199 | | |
200 | | static const JSJitInfo offset_getterinfo = { |
201 | | { (JSJitGetterOp)get_offset }, |
202 | | { prototypes::id::ConstantSourceNode }, |
203 | | { PrototypeTraits<prototypes::id::ConstantSourceNode>::Depth }, |
204 | | JSJitInfo::Getter, |
205 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
206 | | JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */ |
207 | | false, /* isInfallible. False in setters. */ |
208 | | false, /* isMovable. Not relevant for setters. */ |
209 | | false, /* isEliminatable. Not relevant for setters. */ |
210 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
211 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
212 | | false, /* isTypedMethod. Only relevant for methods. */ |
213 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
214 | | }; |
215 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
216 | | static_assert(0 < 1, "There is no slot for us"); |
217 | | |
218 | | static bool |
219 | | _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val) |
220 | 0 | { |
221 | 0 | mozilla::dom::ConstantSourceNode* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ConstantSourceNode>(obj); |
222 | 0 | // We don't want to preserve if we don't have a wrapper, and we |
223 | 0 | // obviously can't preserve if we're not initialized. |
224 | 0 | if (self && self->GetWrapperPreserveColor()) { |
225 | 0 | PreserveWrapper(self); |
226 | 0 | } |
227 | 0 | return true; |
228 | 0 | } |
229 | | |
230 | | static void |
231 | | _finalize(js::FreeOp* fop, JSObject* obj) |
232 | 0 | { |
233 | 0 | mozilla::dom::ConstantSourceNode* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ConstantSourceNode>(obj); |
234 | 0 | if (self) { |
235 | 0 | ClearWrapper(self, self, obj); |
236 | 0 | AddForDeferredFinalization<mozilla::dom::ConstantSourceNode>(self); |
237 | 0 | } |
238 | 0 | } |
239 | | |
240 | | static size_t |
241 | | _objectMoved(JSObject* obj, JSObject* old) |
242 | 0 | { |
243 | 0 | mozilla::dom::ConstantSourceNode* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ConstantSourceNode>(obj); |
244 | 0 | if (self) { |
245 | 0 | UpdateWrapper(self, self, obj, old); |
246 | 0 | } |
247 | 0 |
|
248 | 0 | return 0; |
249 | 0 | } |
250 | | |
251 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
252 | | #if defined(__clang__) |
253 | | #pragma clang diagnostic push |
254 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
255 | | #endif |
256 | | static const JSPropertySpec sAttributes_specs[] = { |
257 | | { "offset", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &offset_getterinfo, nullptr, nullptr }, |
258 | | { nullptr, 0, nullptr, nullptr, nullptr, nullptr } |
259 | | }; |
260 | | #if defined(__clang__) |
261 | | #pragma clang diagnostic pop |
262 | | #endif |
263 | | |
264 | | |
265 | | static const Prefable<const JSPropertySpec> sAttributes[] = { |
266 | | { nullptr, &sAttributes_specs[0] }, |
267 | | { nullptr, nullptr } |
268 | | }; |
269 | | |
270 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
271 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
272 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
273 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
274 | | |
275 | | |
276 | | static uint16_t sNativeProperties_sortedPropertyIndices[1]; |
277 | | static PropertyInfo sNativeProperties_propertyInfos[1]; |
278 | | |
279 | | static const NativePropertiesN<1> sNativeProperties = { |
280 | | false, 0, |
281 | | false, 0, |
282 | | false, 0, |
283 | | true, 0 /* sAttributes */, |
284 | | false, 0, |
285 | | false, 0, |
286 | | false, 0, |
287 | | -1, |
288 | | 1, |
289 | | sNativeProperties_sortedPropertyIndices, |
290 | | { |
291 | | { sAttributes, &sNativeProperties_propertyInfos[0] } |
292 | | } |
293 | | }; |
294 | | static_assert(1 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount), |
295 | | "We have a property info count that is oversized"); |
296 | | |
297 | | static bool |
298 | | _constructor(JSContext* cx, unsigned argc, JS::Value* vp) |
299 | 0 | { |
300 | 0 | AUTO_PROFILER_LABEL_FAST("ConstantSourceNode constructor", DOM, cx); |
301 | 0 |
|
302 | 0 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
303 | 0 | JS::Rooted<JSObject*> obj(cx, &args.callee()); |
304 | 0 | if (!args.isConstructing()) { |
305 | 0 | // XXXbz wish I could get the name from the callee instead of |
306 | 0 | // Adding more relocations |
307 | 0 | return ThrowConstructorWithoutNew(cx, "ConstantSourceNode"); |
308 | 0 | } |
309 | 0 | |
310 | 0 | JS::Rooted<JSObject*> desiredProto(cx); |
311 | 0 | if (!GetDesiredProto(cx, args, &desiredProto)) { |
312 | 0 | return false; |
313 | 0 | } |
314 | 0 | |
315 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
316 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ConstantSourceNode"); |
317 | 0 | } |
318 | 0 | GlobalObject global(cx, obj); |
319 | 0 | if (global.Failed()) { |
320 | 0 | return false; |
321 | 0 | } |
322 | 0 | |
323 | 0 | bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); |
324 | 0 | NonNull<mozilla::dom::AudioContext> arg0; |
325 | 0 | if (args[0].isObject()) { |
326 | 0 | { |
327 | 0 | nsresult rv = UnwrapObject<prototypes::id::BaseAudioContext, mozilla::dom::AudioContext>(args[0], arg0); |
328 | 0 | if (NS_FAILED(rv)) { |
329 | 0 | ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of ConstantSourceNode.constructor", "BaseAudioContext"); |
330 | 0 | return false; |
331 | 0 | } |
332 | 0 | } |
333 | 0 | } else { |
334 | 0 | ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of ConstantSourceNode.constructor"); |
335 | 0 | return false; |
336 | 0 | } |
337 | 0 | binding_detail::FastConstantSourceOptions arg1; |
338 | 0 | if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of ConstantSourceNode.constructor", false)) { |
339 | 0 | return false; |
340 | 0 | } |
341 | 0 | Maybe<JSAutoRealm> ar; |
342 | 0 | if (objIsXray) { |
343 | 0 | obj = js::CheckedUnwrap(obj); |
344 | 0 | if (!obj) { |
345 | 0 | return false; |
346 | 0 | } |
347 | 0 | ar.emplace(cx, obj); |
348 | 0 | if (!JS_WrapObject(cx, &desiredProto)) { |
349 | 0 | return false; |
350 | 0 | } |
351 | 0 | } |
352 | 0 | FastErrorResult rv; |
353 | 0 | auto result(StrongOrRawPtr<mozilla::dom::ConstantSourceNode>(mozilla::dom::ConstantSourceNode::Constructor(global, MOZ_KnownLive(NonNullHelper(arg0)), Constify(arg1), rv))); |
354 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
355 | 0 | return false; |
356 | 0 | } |
357 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
358 | 0 | static_assert(!IsPointer<decltype(result)>::value, |
359 | 0 | "NewObject implies that we need to keep the object alive with a strong reference."); |
360 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { |
361 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
362 | 0 | return false; |
363 | 0 | } |
364 | 0 | return true; |
365 | 0 | } |
366 | | |
367 | | static const js::ClassOps sInterfaceObjectClassOps = { |
368 | | nullptr, /* addProperty */ |
369 | | nullptr, /* delProperty */ |
370 | | nullptr, /* enumerate */ |
371 | | nullptr, /* newEnumerate */ |
372 | | nullptr, /* resolve */ |
373 | | nullptr, /* mayResolve */ |
374 | | nullptr, /* finalize */ |
375 | | _constructor, /* call */ |
376 | | nullptr, /* hasInstance */ |
377 | | _constructor, /* construct */ |
378 | | nullptr, /* trace */ |
379 | | }; |
380 | | |
381 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
382 | | { |
383 | | "Function", |
384 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
385 | | &sInterfaceObjectClassOps, |
386 | | JS_NULL_CLASS_SPEC, |
387 | | JS_NULL_CLASS_EXT, |
388 | | &sInterfaceObjectClassObjectOps |
389 | | }, |
390 | | eInterface, |
391 | | true, |
392 | | prototypes::id::ConstantSourceNode, |
393 | | PrototypeTraits<prototypes::id::ConstantSourceNode>::Depth, |
394 | | sNativePropertyHooks, |
395 | | "function ConstantSourceNode() {\n [native code]\n}", |
396 | | AudioScheduledSourceNode_Binding::GetConstructorObject |
397 | | }; |
398 | | |
399 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
400 | | { |
401 | | "ConstantSourceNodePrototype", |
402 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
403 | | JS_NULL_CLASS_OPS, |
404 | | JS_NULL_CLASS_SPEC, |
405 | | JS_NULL_CLASS_EXT, |
406 | | JS_NULL_OBJECT_OPS |
407 | | }, |
408 | | eInterfacePrototype, |
409 | | false, |
410 | | prototypes::id::ConstantSourceNode, |
411 | | PrototypeTraits<prototypes::id::ConstantSourceNode>::Depth, |
412 | | sNativePropertyHooks, |
413 | | "[object ConstantSourceNodePrototype]", |
414 | | AudioScheduledSourceNode_Binding::GetProtoObject |
415 | | }; |
416 | | |
417 | | bool |
418 | | ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj) |
419 | 0 | { |
420 | 0 | static bool sPrefValue; |
421 | 0 | static bool sPrefCacheSetUp = false; |
422 | 0 | if (!sPrefCacheSetUp) { |
423 | 0 | sPrefCacheSetUp = true; |
424 | 0 | Preferences::AddBoolVarCache(&sPrefValue, "dom.webaudio.enabled"); |
425 | 0 | } |
426 | 0 |
|
427 | 0 | return sPrefValue; |
428 | 0 | } |
429 | | |
430 | | static const js::ClassOps sClassOps = { |
431 | | _addProperty, /* addProperty */ |
432 | | nullptr, /* delProperty */ |
433 | | nullptr, /* enumerate */ |
434 | | nullptr, /* newEnumerate */ |
435 | | nullptr, /* resolve */ |
436 | | nullptr, /* mayResolve */ |
437 | | _finalize, /* finalize */ |
438 | | nullptr, /* call */ |
439 | | nullptr, /* hasInstance */ |
440 | | nullptr, /* construct */ |
441 | | nullptr, /* trace */ |
442 | | }; |
443 | | |
444 | | static const js::ClassExtension sClassExtension = { |
445 | | nullptr, /* weakmapKeyDelegateOp */ |
446 | | _objectMoved /* objectMovedOp */ |
447 | | }; |
448 | | |
449 | | static const DOMJSClass sClass = { |
450 | | { "ConstantSourceNode", |
451 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1), |
452 | | &sClassOps, |
453 | | JS_NULL_CLASS_SPEC, |
454 | | &sClassExtension, |
455 | | JS_NULL_OBJECT_OPS |
456 | | }, |
457 | | { prototypes::id::EventTarget, prototypes::id::AudioNode, prototypes::id::AudioScheduledSourceNode, prototypes::id::ConstantSourceNode, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
458 | | IsBaseOf<nsISupports, mozilla::dom::ConstantSourceNode >::value, |
459 | | sNativePropertyHooks, |
460 | | FindAssociatedGlobalForNative<mozilla::dom::ConstantSourceNode>::Get, |
461 | | GetProtoObjectHandle, |
462 | | GetCCParticipant<mozilla::dom::ConstantSourceNode>::Get() |
463 | | }; |
464 | | static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, |
465 | | "Must have the right minimal number of reserved slots."); |
466 | | static_assert(1 >= 1, |
467 | | "Must have enough reserved slots."); |
468 | | |
469 | | const JSClass* |
470 | | GetJSClass() |
471 | 0 | { |
472 | 0 | return sClass.ToJSClass(); |
473 | 0 | } |
474 | | |
475 | | bool |
476 | | Wrap(JSContext* aCx, mozilla::dom::ConstantSourceNode* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
477 | 0 | { |
478 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::ConstantSourceNode>::value, |
479 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
480 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::ConstantSourceNode*>(aObject) == |
481 | 0 | reinterpret_cast<mozilla::dom::ConstantSourceNode*>(aObject), |
482 | 0 | "Multiple inheritance for mozilla::dom::ConstantSourceNode is broken."); |
483 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::AudioScheduledSourceNode*>(aObject) == |
484 | 0 | reinterpret_cast<mozilla::dom::AudioScheduledSourceNode*>(aObject), |
485 | 0 | "Multiple inheritance for mozilla::dom::AudioScheduledSourceNode is broken."); |
486 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::AudioNode*>(aObject) == |
487 | 0 | reinterpret_cast<mozilla::dom::AudioNode*>(aObject), |
488 | 0 | "Multiple inheritance for mozilla::dom::AudioNode is broken."); |
489 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) == |
490 | 0 | reinterpret_cast<mozilla::dom::EventTarget*>(aObject), |
491 | 0 | "Multiple inheritance for mozilla::dom::EventTarget is broken."); |
492 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
493 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
494 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
495 | 0 | "You should probably not be using Wrap() directly; use " |
496 | 0 | "GetOrCreateDOMReflector instead"); |
497 | 0 |
|
498 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
499 | 0 | "nsISupports must be on our primary inheritance chain"); |
500 | 0 |
|
501 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
502 | 0 | if (!global) { |
503 | 0 | return false; |
504 | 0 | } |
505 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
506 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
507 | 0 |
|
508 | 0 | // That might have ended up wrapping us already, due to the wonders |
509 | 0 | // of XBL. Check for that, and bail out as needed. |
510 | 0 | aReflector.set(aCache->GetWrapper()); |
511 | 0 | if (aReflector) { |
512 | | #ifdef DEBUG |
513 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
514 | | #endif // DEBUG |
515 | | return true; |
516 | 0 | } |
517 | 0 |
|
518 | 0 | JSAutoRealm ar(aCx, global); |
519 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
520 | 0 | if (!canonicalProto) { |
521 | 0 | return false; |
522 | 0 | } |
523 | 0 | JS::Rooted<JSObject*> proto(aCx); |
524 | 0 | if (aGivenProto) { |
525 | 0 | proto = aGivenProto; |
526 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
527 | 0 | // coming in, we changed compartments to that of "parent" so may need |
528 | 0 | // to wrap the proto here. |
529 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
530 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
531 | 0 | return false; |
532 | 0 | } |
533 | 0 | } |
534 | 0 | } else { |
535 | 0 | proto = canonicalProto; |
536 | 0 | } |
537 | 0 |
|
538 | 0 | BindingJSObjectCreator<mozilla::dom::ConstantSourceNode> creator(aCx); |
539 | 0 | creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); |
540 | 0 | if (!aReflector) { |
541 | 0 | return false; |
542 | 0 | } |
543 | 0 | |
544 | 0 | aCache->SetWrapper(aReflector); |
545 | 0 | creator.InitializationSucceeded(); |
546 | 0 |
|
547 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
548 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
549 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
550 | 0 | // otherwise we won't be able to properly recreate it later, since |
551 | 0 | // we won't know what proto to use. Note that we don't check |
552 | 0 | // aGivenProto here, since it's entirely possible (and even |
553 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
554 | 0 | // same as canonicalProto. |
555 | 0 | if (proto != canonicalProto) { |
556 | 0 | PreserveWrapper(aObject); |
557 | 0 | } |
558 | 0 |
|
559 | 0 | return true; |
560 | 0 | } |
561 | | |
562 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
563 | | nullptr, |
564 | | nullptr, |
565 | | nullptr, |
566 | | { sNativeProperties.Upcast(), nullptr }, |
567 | | prototypes::id::ConstantSourceNode, |
568 | | constructors::id::ConstantSourceNode, |
569 | | AudioScheduledSourceNode_Binding::sNativePropertyHooks, |
570 | | &DefaultXrayExpandoObjectClass |
571 | | } }; |
572 | | |
573 | | void |
574 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
575 | 0 | { |
576 | 0 | JS::Handle<JSObject*> parentProto(AudioScheduledSourceNode_Binding::GetProtoObjectHandle(aCx)); |
577 | 0 | if (!parentProto) { |
578 | 0 | return; |
579 | 0 | } |
580 | 0 | |
581 | 0 | JS::Handle<JSObject*> constructorProto(AudioScheduledSourceNode_Binding::GetConstructorObjectHandle(aCx)); |
582 | 0 | if (!constructorProto) { |
583 | 0 | return; |
584 | 0 | } |
585 | 0 | |
586 | 0 | static bool sIdsInited = false; |
587 | 0 | if (!sIdsInited && NS_IsMainThread()) { |
588 | 0 | if (!InitIds(aCx, sNativeProperties.Upcast())) { |
589 | 0 | return; |
590 | 0 | } |
591 | 0 | sIdsInited = true; |
592 | 0 | } |
593 | 0 |
|
594 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ConstantSourceNode); |
595 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ConstantSourceNode); |
596 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
597 | 0 | &sPrototypeClass.mBase, protoCache, |
598 | 0 | nullptr, |
599 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr, |
600 | 0 | interfaceCache, |
601 | 0 | sNativeProperties.Upcast(), |
602 | 0 | nullptr, |
603 | 0 | "ConstantSourceNode", aDefineOnGlobal, |
604 | 0 | nullptr, |
605 | 0 | false); |
606 | 0 | } |
607 | | |
608 | | JSObject* |
609 | | GetConstructorObject(JSContext* aCx) |
610 | 0 | { |
611 | 0 | return GetConstructorObjectHandle(aCx); |
612 | 0 | } |
613 | | |
614 | | } // namespace ConstantSourceNode_Binding |
615 | | |
616 | | |
617 | | |
618 | | } // namespace dom |
619 | | } // namespace mozilla |