Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/SharedWorkerBinding.cpp
Line
Count
Source (jump to first uncovered line)
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