Coverage Report

Created: 2018-09-25 14:53

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