/work/obj-fuzz/dom/bindings/MIDIAccessBinding.cpp
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1 | | /* THIS FILE IS AUTOGENERATED FROM MIDIAccess.webidl BY Codegen.py - DO NOT EDIT */ |
2 | | |
3 | | #include "EventHandlerBinding.h" |
4 | | #include "EventTargetBinding.h" |
5 | | #include "MIDIAccessBinding.h" |
6 | | #include "WrapperFactory.h" |
7 | | #include "mozilla/OwningNonNull.h" |
8 | | #include "mozilla/Preferences.h" |
9 | | #include "mozilla/dom/BindingUtils.h" |
10 | | #include "mozilla/dom/DOMJSClass.h" |
11 | | #include "mozilla/dom/MIDIAccess.h" |
12 | | #include "mozilla/dom/MIDIInputMap.h" |
13 | | #include "mozilla/dom/MIDIOutputMap.h" |
14 | | #include "mozilla/dom/NonRefcountedDOMObject.h" |
15 | | #include "mozilla/dom/Nullable.h" |
16 | | #include "mozilla/dom/PrimitiveConversions.h" |
17 | | #include "mozilla/dom/XrayExpandoClass.h" |
18 | | |
19 | | namespace mozilla { |
20 | | namespace dom { |
21 | | |
22 | | namespace binding_detail {}; // Just to make sure it's known as a namespace |
23 | | using namespace mozilla::dom::binding_detail; |
24 | | |
25 | | |
26 | | namespace MIDIAccess_Binding { |
27 | | |
28 | | static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventTarget_Binding::NativeType>::value, |
29 | | "Can't inherit from an interface with a different ownership model."); |
30 | | |
31 | | MOZ_CAN_RUN_SCRIPT static bool |
32 | | get_inputs(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MIDIAccess* self, JSJitGetterCallArgs args) |
33 | 0 | { |
34 | 0 | AUTO_PROFILER_LABEL_FAST("get MIDIAccess.inputs", DOM, cx); |
35 | 0 |
|
36 | 0 | auto result(StrongOrRawPtr<mozilla::dom::MIDIInputMap>(self->Inputs())); |
37 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
38 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval())) { |
39 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
40 | 0 | return false; |
41 | 0 | } |
42 | 0 | return true; |
43 | 0 | } |
44 | | |
45 | | static const JSJitInfo inputs_getterinfo = { |
46 | | { (JSJitGetterOp)get_inputs }, |
47 | | { prototypes::id::MIDIAccess }, |
48 | | { PrototypeTraits<prototypes::id::MIDIAccess>::Depth }, |
49 | | JSJitInfo::Getter, |
50 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
51 | | JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */ |
52 | | false, /* isInfallible. False in setters. */ |
53 | | false, /* isMovable. Not relevant for setters. */ |
54 | | false, /* isEliminatable. Not relevant for setters. */ |
55 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
56 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
57 | | false, /* isTypedMethod. Only relevant for methods. */ |
58 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
59 | | }; |
60 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
61 | | static_assert(0 < 1, "There is no slot for us"); |
62 | | |
63 | | MOZ_CAN_RUN_SCRIPT static bool |
64 | | get_outputs(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MIDIAccess* self, JSJitGetterCallArgs args) |
65 | 0 | { |
66 | 0 | AUTO_PROFILER_LABEL_FAST("get MIDIAccess.outputs", DOM, cx); |
67 | 0 |
|
68 | 0 | auto result(StrongOrRawPtr<mozilla::dom::MIDIOutputMap>(self->Outputs())); |
69 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
70 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval())) { |
71 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
72 | 0 | return false; |
73 | 0 | } |
74 | 0 | return true; |
75 | 0 | } |
76 | | |
77 | | static const JSJitInfo outputs_getterinfo = { |
78 | | { (JSJitGetterOp)get_outputs }, |
79 | | { prototypes::id::MIDIAccess }, |
80 | | { PrototypeTraits<prototypes::id::MIDIAccess>::Depth }, |
81 | | JSJitInfo::Getter, |
82 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
83 | | JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */ |
84 | | false, /* isInfallible. False in setters. */ |
85 | | false, /* isMovable. Not relevant for setters. */ |
86 | | false, /* isEliminatable. Not relevant for setters. */ |
87 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
88 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
89 | | false, /* isTypedMethod. Only relevant for methods. */ |
90 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
91 | | }; |
92 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
93 | | static_assert(0 < 1, "There is no slot for us"); |
94 | | |
95 | | MOZ_CAN_RUN_SCRIPT static bool |
96 | | get_onstatechange(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MIDIAccess* self, JSJitGetterCallArgs args) |
97 | 0 | { |
98 | 0 | AUTO_PROFILER_LABEL_FAST("get MIDIAccess.onstatechange", DOM, cx); |
99 | 0 |
|
100 | 0 | RefPtr<EventHandlerNonNull> result(self->GetOnstatechange()); |
101 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
102 | 0 | if (result) { |
103 | 0 | args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); |
104 | 0 | if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { |
105 | 0 | return false; |
106 | 0 | } |
107 | 0 | return true; |
108 | 0 | } else { |
109 | 0 | args.rval().setNull(); |
110 | 0 | return true; |
111 | 0 | } |
112 | 0 | } |
113 | | |
114 | | MOZ_CAN_RUN_SCRIPT static bool |
115 | | set_onstatechange(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MIDIAccess* self, JSJitSetterCallArgs args) |
116 | 0 | { |
117 | 0 | AUTO_PROFILER_LABEL_FAST("set MIDIAccess.onstatechange", DOM, cx); |
118 | 0 |
|
119 | 0 | RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx); |
120 | 0 | if (args[0].isObject()) { |
121 | 0 | { // scope for tempRoot and tempGlobalRoot if needed |
122 | 0 | arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); |
123 | 0 | } |
124 | 0 | } else { |
125 | 0 | arg0 = nullptr; |
126 | 0 | } |
127 | 0 | self->SetOnstatechange(Constify(arg0)); |
128 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
129 | 0 |
|
130 | 0 | return true; |
131 | 0 | } |
132 | | |
133 | | static const JSJitInfo onstatechange_getterinfo = { |
134 | | { (JSJitGetterOp)get_onstatechange }, |
135 | | { prototypes::id::MIDIAccess }, |
136 | | { PrototypeTraits<prototypes::id::MIDIAccess>::Depth }, |
137 | | JSJitInfo::Getter, |
138 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
139 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
140 | | false, /* isInfallible. False in setters. */ |
141 | | false, /* isMovable. Not relevant for setters. */ |
142 | | false, /* isEliminatable. Not relevant for setters. */ |
143 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
144 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
145 | | false, /* isTypedMethod. Only relevant for methods. */ |
146 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
147 | | }; |
148 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
149 | | static_assert(0 < 1, "There is no slot for us"); |
150 | | static const JSJitInfo onstatechange_setterinfo = { |
151 | | { (JSJitGetterOp)set_onstatechange }, |
152 | | { prototypes::id::MIDIAccess }, |
153 | | { PrototypeTraits<prototypes::id::MIDIAccess>::Depth }, |
154 | | JSJitInfo::Setter, |
155 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
156 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
157 | | false, /* isInfallible. False in setters. */ |
158 | | false, /* isMovable. Not relevant for setters. */ |
159 | | false, /* isEliminatable. Not relevant for setters. */ |
160 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
161 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
162 | | false, /* isTypedMethod. Only relevant for methods. */ |
163 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
164 | | }; |
165 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
166 | | static_assert(0 < 1, "There is no slot for us"); |
167 | | |
168 | | MOZ_CAN_RUN_SCRIPT static bool |
169 | | get_sysexEnabled(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MIDIAccess* self, JSJitGetterCallArgs args) |
170 | 0 | { |
171 | 0 | AUTO_PROFILER_LABEL_FAST("get MIDIAccess.sysexEnabled", DOM, cx); |
172 | 0 |
|
173 | 0 | bool result(self->SysexEnabled()); |
174 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
175 | 0 | args.rval().setBoolean(result); |
176 | 0 | return true; |
177 | 0 | } |
178 | | |
179 | | static const JSJitInfo sysexEnabled_getterinfo = { |
180 | | { (JSJitGetterOp)get_sysexEnabled }, |
181 | | { prototypes::id::MIDIAccess }, |
182 | | { PrototypeTraits<prototypes::id::MIDIAccess>::Depth }, |
183 | | JSJitInfo::Getter, |
184 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
185 | | JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */ |
186 | | true, /* isInfallible. False in setters. */ |
187 | | false, /* isMovable. Not relevant for setters. */ |
188 | | false, /* isEliminatable. Not relevant for setters. */ |
189 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
190 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
191 | | false, /* isTypedMethod. Only relevant for methods. */ |
192 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
193 | | }; |
194 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
195 | | static_assert(0 < 1, "There is no slot for us"); |
196 | | |
197 | | static bool |
198 | | _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val) |
199 | 0 | { |
200 | 0 | mozilla::dom::MIDIAccess* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MIDIAccess>(obj); |
201 | 0 | // We don't want to preserve if we don't have a wrapper, and we |
202 | 0 | // obviously can't preserve if we're not initialized. |
203 | 0 | if (self && self->GetWrapperPreserveColor()) { |
204 | 0 | PreserveWrapper(self); |
205 | 0 | } |
206 | 0 | return true; |
207 | 0 | } |
208 | | |
209 | | static void |
210 | | _finalize(js::FreeOp* fop, JSObject* obj) |
211 | 0 | { |
212 | 0 | mozilla::dom::MIDIAccess* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MIDIAccess>(obj); |
213 | 0 | if (self) { |
214 | 0 | ClearWrapper(self, self, obj); |
215 | 0 | AddForDeferredFinalization<mozilla::dom::MIDIAccess>(self); |
216 | 0 | } |
217 | 0 | } |
218 | | |
219 | | static size_t |
220 | | _objectMoved(JSObject* obj, JSObject* old) |
221 | 0 | { |
222 | 0 | mozilla::dom::MIDIAccess* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MIDIAccess>(obj); |
223 | 0 | if (self) { |
224 | 0 | UpdateWrapper(self, self, obj, old); |
225 | 0 | } |
226 | 0 |
|
227 | 0 | return 0; |
228 | 0 | } |
229 | | |
230 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
231 | | #if defined(__clang__) |
232 | | #pragma clang diagnostic push |
233 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
234 | | #endif |
235 | | static const JSPropertySpec sAttributes_specs[] = { |
236 | | { "inputs", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &inputs_getterinfo, nullptr, nullptr }, |
237 | | { "outputs", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &outputs_getterinfo, nullptr, nullptr }, |
238 | | { "onstatechange", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onstatechange_getterinfo, GenericSetter<NormalThisPolicy>, &onstatechange_setterinfo }, |
239 | | { "sysexEnabled", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &sysexEnabled_getterinfo, nullptr, nullptr }, |
240 | | { nullptr, 0, nullptr, nullptr, nullptr, nullptr } |
241 | | }; |
242 | | #if defined(__clang__) |
243 | | #pragma clang diagnostic pop |
244 | | #endif |
245 | | |
246 | | // Can't be const because the pref-enabled boolean needs to be writable |
247 | | static PrefableDisablers sAttributes_disablers0 = { |
248 | | true, true, 0, nullptr |
249 | | }; |
250 | | |
251 | | static const Prefable<const JSPropertySpec> sAttributes[] = { |
252 | | { &sAttributes_disablers0, &sAttributes_specs[0] }, |
253 | | { nullptr, nullptr } |
254 | | }; |
255 | | |
256 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
257 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
258 | | static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
259 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
260 | | |
261 | | |
262 | | static uint16_t sNativeProperties_sortedPropertyIndices[4]; |
263 | | static PropertyInfo sNativeProperties_propertyInfos[4]; |
264 | | |
265 | | static const NativePropertiesN<1> sNativeProperties = { |
266 | | false, 0, |
267 | | false, 0, |
268 | | false, 0, |
269 | | true, 0 /* sAttributes */, |
270 | | false, 0, |
271 | | false, 0, |
272 | | false, 0, |
273 | | -1, |
274 | | 4, |
275 | | sNativeProperties_sortedPropertyIndices, |
276 | | { |
277 | | { sAttributes, &sNativeProperties_propertyInfos[0] } |
278 | | } |
279 | | }; |
280 | | static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount), |
281 | | "We have a property info count that is oversized"); |
282 | | |
283 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
284 | | { |
285 | | "Function", |
286 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
287 | | &sBoringInterfaceObjectClassClassOps, |
288 | | JS_NULL_CLASS_SPEC, |
289 | | JS_NULL_CLASS_EXT, |
290 | | &sInterfaceObjectClassObjectOps |
291 | | }, |
292 | | eInterface, |
293 | | true, |
294 | | prototypes::id::MIDIAccess, |
295 | | PrototypeTraits<prototypes::id::MIDIAccess>::Depth, |
296 | | sNativePropertyHooks, |
297 | | "function MIDIAccess() {\n [native code]\n}", |
298 | | EventTarget_Binding::GetConstructorObject |
299 | | }; |
300 | | |
301 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
302 | | { |
303 | | "MIDIAccessPrototype", |
304 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
305 | | JS_NULL_CLASS_OPS, |
306 | | JS_NULL_CLASS_SPEC, |
307 | | JS_NULL_CLASS_EXT, |
308 | | JS_NULL_OBJECT_OPS |
309 | | }, |
310 | | eInterfacePrototype, |
311 | | false, |
312 | | prototypes::id::MIDIAccess, |
313 | | PrototypeTraits<prototypes::id::MIDIAccess>::Depth, |
314 | | sNativePropertyHooks, |
315 | | "[object MIDIAccessPrototype]", |
316 | | EventTarget_Binding::GetProtoObject |
317 | | }; |
318 | | |
319 | | bool |
320 | | ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj) |
321 | 0 | { |
322 | 0 | static bool sPrefValue; |
323 | 0 | static bool sPrefCacheSetUp = false; |
324 | 0 | if (!sPrefCacheSetUp) { |
325 | 0 | sPrefCacheSetUp = true; |
326 | 0 | Preferences::AddBoolVarCache(&sPrefValue, "dom.webmidi.enabled"); |
327 | 0 | } |
328 | 0 |
|
329 | 0 | return sPrefValue && |
330 | 0 | mozilla::dom::IsSecureContextOrObjectIsFromSecureContext(aCx, aObj); |
331 | 0 | } |
332 | | |
333 | | static const js::ClassOps sClassOps = { |
334 | | _addProperty, /* addProperty */ |
335 | | nullptr, /* delProperty */ |
336 | | nullptr, /* enumerate */ |
337 | | nullptr, /* newEnumerate */ |
338 | | nullptr, /* resolve */ |
339 | | nullptr, /* mayResolve */ |
340 | | _finalize, /* finalize */ |
341 | | nullptr, /* call */ |
342 | | nullptr, /* hasInstance */ |
343 | | nullptr, /* construct */ |
344 | | nullptr, /* trace */ |
345 | | }; |
346 | | |
347 | | static const js::ClassExtension sClassExtension = { |
348 | | nullptr, /* weakmapKeyDelegateOp */ |
349 | | _objectMoved /* objectMovedOp */ |
350 | | }; |
351 | | |
352 | | static const DOMJSClass sClass = { |
353 | | { "MIDIAccess", |
354 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1), |
355 | | &sClassOps, |
356 | | JS_NULL_CLASS_SPEC, |
357 | | &sClassExtension, |
358 | | JS_NULL_OBJECT_OPS |
359 | | }, |
360 | | { prototypes::id::EventTarget, prototypes::id::MIDIAccess, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
361 | | IsBaseOf<nsISupports, mozilla::dom::MIDIAccess >::value, |
362 | | sNativePropertyHooks, |
363 | | FindAssociatedGlobalForNative<mozilla::dom::MIDIAccess>::Get, |
364 | | GetProtoObjectHandle, |
365 | | GetCCParticipant<mozilla::dom::MIDIAccess>::Get() |
366 | | }; |
367 | | static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, |
368 | | "Must have the right minimal number of reserved slots."); |
369 | | static_assert(1 >= 1, |
370 | | "Must have enough reserved slots."); |
371 | | |
372 | | const JSClass* |
373 | | GetJSClass() |
374 | 0 | { |
375 | 0 | return sClass.ToJSClass(); |
376 | 0 | } |
377 | | |
378 | | bool |
379 | | Wrap(JSContext* aCx, mozilla::dom::MIDIAccess* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
380 | 0 | { |
381 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::MIDIAccess>::value, |
382 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
383 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::MIDIAccess*>(aObject) == |
384 | 0 | reinterpret_cast<mozilla::dom::MIDIAccess*>(aObject), |
385 | 0 | "Multiple inheritance for mozilla::dom::MIDIAccess is broken."); |
386 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) == |
387 | 0 | reinterpret_cast<mozilla::dom::EventTarget*>(aObject), |
388 | 0 | "Multiple inheritance for mozilla::dom::EventTarget is broken."); |
389 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
390 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
391 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
392 | 0 | "You should probably not be using Wrap() directly; use " |
393 | 0 | "GetOrCreateDOMReflector instead"); |
394 | 0 |
|
395 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
396 | 0 | "nsISupports must be on our primary inheritance chain"); |
397 | 0 |
|
398 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
399 | 0 | if (!global) { |
400 | 0 | return false; |
401 | 0 | } |
402 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
403 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
404 | 0 |
|
405 | 0 | // That might have ended up wrapping us already, due to the wonders |
406 | 0 | // of XBL. Check for that, and bail out as needed. |
407 | 0 | aReflector.set(aCache->GetWrapper()); |
408 | 0 | if (aReflector) { |
409 | | #ifdef DEBUG |
410 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
411 | | #endif // DEBUG |
412 | | return true; |
413 | 0 | } |
414 | 0 |
|
415 | 0 | JSAutoRealm ar(aCx, global); |
416 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
417 | 0 | if (!canonicalProto) { |
418 | 0 | return false; |
419 | 0 | } |
420 | 0 | JS::Rooted<JSObject*> proto(aCx); |
421 | 0 | if (aGivenProto) { |
422 | 0 | proto = aGivenProto; |
423 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
424 | 0 | // coming in, we changed compartments to that of "parent" so may need |
425 | 0 | // to wrap the proto here. |
426 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
427 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
428 | 0 | return false; |
429 | 0 | } |
430 | 0 | } |
431 | 0 | } else { |
432 | 0 | proto = canonicalProto; |
433 | 0 | } |
434 | 0 |
|
435 | 0 | BindingJSObjectCreator<mozilla::dom::MIDIAccess> creator(aCx); |
436 | 0 | creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); |
437 | 0 | if (!aReflector) { |
438 | 0 | return false; |
439 | 0 | } |
440 | 0 | |
441 | 0 | aCache->SetWrapper(aReflector); |
442 | 0 | creator.InitializationSucceeded(); |
443 | 0 |
|
444 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
445 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
446 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
447 | 0 | // otherwise we won't be able to properly recreate it later, since |
448 | 0 | // we won't know what proto to use. Note that we don't check |
449 | 0 | // aGivenProto here, since it's entirely possible (and even |
450 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
451 | 0 | // same as canonicalProto. |
452 | 0 | if (proto != canonicalProto) { |
453 | 0 | PreserveWrapper(aObject); |
454 | 0 | } |
455 | 0 |
|
456 | 0 | return true; |
457 | 0 | } |
458 | | |
459 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
460 | | nullptr, |
461 | | nullptr, |
462 | | nullptr, |
463 | | { sNativeProperties.Upcast(), nullptr }, |
464 | | prototypes::id::MIDIAccess, |
465 | | constructors::id::MIDIAccess, |
466 | | EventTarget_Binding::sNativePropertyHooks, |
467 | | &DefaultXrayExpandoObjectClass |
468 | | } }; |
469 | | |
470 | | void |
471 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
472 | 0 | { |
473 | 0 | JS::Handle<JSObject*> parentProto(EventTarget_Binding::GetProtoObjectHandle(aCx)); |
474 | 0 | if (!parentProto) { |
475 | 0 | return; |
476 | 0 | } |
477 | 0 | |
478 | 0 | JS::Handle<JSObject*> constructorProto(EventTarget_Binding::GetConstructorObjectHandle(aCx)); |
479 | 0 | if (!constructorProto) { |
480 | 0 | return; |
481 | 0 | } |
482 | 0 | |
483 | 0 | static bool sIdsInited = false; |
484 | 0 | if (!sIdsInited && NS_IsMainThread()) { |
485 | 0 | if (!InitIds(aCx, sNativeProperties.Upcast())) { |
486 | 0 | return; |
487 | 0 | } |
488 | 0 | sIdsInited = true; |
489 | 0 | } |
490 | 0 |
|
491 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MIDIAccess); |
492 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MIDIAccess); |
493 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
494 | 0 | &sPrototypeClass.mBase, protoCache, |
495 | 0 | nullptr, |
496 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr, |
497 | 0 | interfaceCache, |
498 | 0 | sNativeProperties.Upcast(), |
499 | 0 | nullptr, |
500 | 0 | "MIDIAccess", aDefineOnGlobal, |
501 | 0 | nullptr, |
502 | 0 | false); |
503 | 0 | } |
504 | | |
505 | | JSObject* |
506 | | GetConstructorObject(JSContext* aCx) |
507 | 0 | { |
508 | 0 | return GetConstructorObjectHandle(aCx); |
509 | 0 | } |
510 | | |
511 | | } // namespace MIDIAccess_Binding |
512 | | |
513 | | |
514 | | |
515 | | } // namespace dom |
516 | | } // namespace mozilla |