Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/CloseEventBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM CloseEvent.webidl BY Codegen.py - DO NOT EDIT */
2
3
#include "AtomList.h"
4
#include "CloseEventBinding.h"
5
#include "EventBinding.h"
6
#include "WrapperFactory.h"
7
#include "mozilla/OwningNonNull.h"
8
#include "mozilla/dom/BindingUtils.h"
9
#include "mozilla/dom/CloseEvent.h"
10
#include "mozilla/dom/DOMJSClass.h"
11
#include "mozilla/dom/NonRefcountedDOMObject.h"
12
#include "mozilla/dom/PrimitiveConversions.h"
13
#include "mozilla/dom/ScriptSettings.h"
14
#include "mozilla/dom/SimpleGlobalObject.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
25
CloseEventInit::CloseEventInit()
26
  : EventInit(FastDictionaryInitializer())
27
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
33
34
bool
35
CloseEventInit::InitIds(JSContext* cx, CloseEventInitAtoms* atomsCache)
36
0
{
37
0
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
38
0
39
0
  // Initialize these in reverse order so that any failure leaves the first one
40
0
  // uninitialized.
41
0
  if (!atomsCache->wasClean_id.init(cx, "wasClean") ||
42
0
      !atomsCache->reason_id.init(cx, "reason") ||
43
0
      !atomsCache->code_id.init(cx, "code")) {
44
0
    return false;
45
0
  }
46
0
  return true;
47
0
}
48
49
bool
50
CloseEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
51
0
{
52
0
  // Passing a null JSContext is OK only if we're initing from null,
53
0
  // Since in that case we will not have to do any property gets
54
0
  // Also evaluate isNullOrUndefined in order to avoid false-positive
55
0
  // checkers by static analysis tools
56
0
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
57
0
  CloseEventInitAtoms* atomsCache = nullptr;
58
0
  if (cx) {
59
0
    atomsCache = GetAtomCache<CloseEventInitAtoms>(cx);
60
0
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
61
0
      return false;
62
0
    }
63
0
  }
64
0
65
0
  // Per spec, we init the parent's members first
66
0
  if (!EventInit::Init(cx, val)) {
67
0
    return false;
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->code_id, temp.ptr())) {
81
0
      return false;
82
0
    }
83
0
  }
84
0
  if (!isNull && !temp->isUndefined()) {
85
0
    if (!ValueToPrimitive<uint16_t, eDefault>(cx, temp.ref(), &mCode)) {
86
0
      return false;
87
0
    }
88
0
  } else {
89
0
    mCode = 0;
90
0
  }
91
0
  mIsAnyMemberPresent = true;
92
0
93
0
  if (!isNull) {
94
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->reason_id, temp.ptr())) {
95
0
      return false;
96
0
    }
97
0
  }
98
0
  if (!isNull && !temp->isUndefined()) {
99
0
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mReason)) {
100
0
      return false;
101
0
    }
102
0
  } else {
103
0
    static const char16_t data[] = { 0 };
104
0
    mReason.Rebind(data, ArrayLength(data) - 1);
105
0
  }
106
0
  mIsAnyMemberPresent = true;
107
0
108
0
  if (!isNull) {
109
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->wasClean_id, temp.ptr())) {
110
0
      return false;
111
0
    }
112
0
  }
113
0
  if (!isNull && !temp->isUndefined()) {
114
0
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mWasClean)) {
115
0
      return false;
116
0
    }
117
0
  } else {
118
0
    mWasClean = false;
119
0
  }
120
0
  mIsAnyMemberPresent = true;
121
0
  return true;
122
0
}
123
124
bool
125
CloseEventInit::Init(const nsAString& aJSON)
126
0
{
127
0
  AutoJSAPI jsapi;
128
0
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
129
0
  if (!cleanGlobal) {
130
0
    return false;
131
0
  }
132
0
  if (!jsapi.Init(cleanGlobal)) {
133
0
    return false;
134
0
  }
135
0
  JSContext* cx = jsapi.cx();
136
0
  JS::Rooted<JS::Value> json(cx);
137
0
  bool ok = ParseJSON(cx, aJSON, &json);
138
0
  NS_ENSURE_TRUE(ok, false);
139
0
  return Init(cx, json);
140
0
}
141
142
bool
143
CloseEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
144
0
{
145
0
  CloseEventInitAtoms* atomsCache = GetAtomCache<CloseEventInitAtoms>(cx);
146
0
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
147
0
    return false;
148
0
  }
149
0
150
0
  // Per spec, we define the parent's members first
151
0
  if (!EventInit::ToObjectInternal(cx, rval)) {
152
0
    return false;
153
0
  }
154
0
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());
155
0
156
0
  do {
157
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
158
0
    JS::Rooted<JS::Value> temp(cx);
159
0
    uint16_t const & currentValue = mCode;
160
0
    temp.setInt32(int32_t(currentValue));
161
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->code_id, temp, JSPROP_ENUMERATE)) {
162
0
      return false;
163
0
    }
164
0
    break;
165
0
  } while(false);
166
0
167
0
  do {
168
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
169
0
    JS::Rooted<JS::Value> temp(cx);
170
0
    nsString const & currentValue = mReason;
171
0
    if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
172
0
      return false;
173
0
    }
174
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->reason_id, temp, JSPROP_ENUMERATE)) {
175
0
      return false;
176
0
    }
177
0
    break;
178
0
  } while(false);
179
0
180
0
  do {
181
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
182
0
    JS::Rooted<JS::Value> temp(cx);
183
0
    bool const & currentValue = mWasClean;
184
0
    temp.setBoolean(currentValue);
185
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->wasClean_id, temp, JSPROP_ENUMERATE)) {
186
0
      return false;
187
0
    }
188
0
    break;
189
0
  } while(false);
190
0
191
0
  return true;
192
0
}
193
194
bool
195
CloseEventInit::ToJSON(nsAString& aJSON) const
196
0
{
197
0
  AutoJSAPI jsapi;
198
0
  jsapi.Init();
199
0
  JSContext *cx = jsapi.cx();
200
0
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
201
0
  // because we'll only be creating objects, in ways that have no
202
0
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
203
0
  // which likewise guarantees no side-effects for the sorts of
204
0
  // things we will pass it.
205
0
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
206
0
  JS::Rooted<JS::Value> val(cx);
207
0
  if (!ToObjectInternal(cx, &val)) {
208
0
    return false;
209
0
  }
210
0
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
211
0
  return StringifyToJSON(cx, obj, aJSON);
212
0
}
213
214
void
215
CloseEventInit::TraceDictionary(JSTracer* trc)
216
0
{
217
0
  EventInit::TraceDictionary(trc);
218
0
}
219
220
CloseEventInit&
221
CloseEventInit::operator=(const CloseEventInit& aOther)
222
0
{
223
0
  EventInit::operator=(aOther);
224
0
  mCode = aOther.mCode;
225
0
  mReason = aOther.mReason;
226
0
  mWasClean = aOther.mWasClean;
227
0
  return *this;
228
0
}
229
230
namespace binding_detail {
231
} // namespace binding_detail
232
233
234
namespace CloseEvent_Binding {
235
236
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<Event_Binding::NativeType>::value,
237
              "Can't inherit from an interface with a different ownership model.");
238
239
MOZ_CAN_RUN_SCRIPT static bool
240
get_wasClean(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::CloseEvent* self, JSJitGetterCallArgs args)
241
0
{
242
0
  AUTO_PROFILER_LABEL_FAST("get CloseEvent.wasClean", DOM, cx);
243
0
244
0
  bool result(self->WasClean());
245
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
246
0
  args.rval().setBoolean(result);
247
0
  return true;
248
0
}
249
250
static const JSJitInfo wasClean_getterinfo = {
251
  { (JSJitGetterOp)get_wasClean },
252
  { prototypes::id::CloseEvent },
253
  { PrototypeTraits<prototypes::id::CloseEvent>::Depth },
254
  JSJitInfo::Getter,
255
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
256
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
257
  true,  /* isInfallible. False in setters. */
258
  false,  /* isMovable.  Not relevant for setters. */
259
  false, /* isEliminatable.  Not relevant for setters. */
260
  false, /* isAlwaysInSlot.  Only relevant for getters. */
261
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
262
  false,  /* isTypedMethod.  Only relevant for methods. */
263
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
264
};
265
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
266
static_assert(0 < 1, "There is no slot for us");
267
268
MOZ_CAN_RUN_SCRIPT static bool
269
get_code(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::CloseEvent* self, JSJitGetterCallArgs args)
270
0
{
271
0
  AUTO_PROFILER_LABEL_FAST("get CloseEvent.code", DOM, cx);
272
0
273
0
  uint16_t result(self->Code());
274
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
275
0
  args.rval().setInt32(int32_t(result));
276
0
  return true;
277
0
}
278
279
static const JSJitInfo code_getterinfo = {
280
  { (JSJitGetterOp)get_code },
281
  { prototypes::id::CloseEvent },
282
  { PrototypeTraits<prototypes::id::CloseEvent>::Depth },
283
  JSJitInfo::Getter,
284
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
285
  JSVAL_TYPE_INT32,  /* returnType.  Not relevant for setters. */
286
  true,  /* isInfallible. False in setters. */
287
  false,  /* isMovable.  Not relevant for setters. */
288
  false, /* isEliminatable.  Not relevant for setters. */
289
  false, /* isAlwaysInSlot.  Only relevant for getters. */
290
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
291
  false,  /* isTypedMethod.  Only relevant for methods. */
292
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
293
};
294
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
295
static_assert(0 < 1, "There is no slot for us");
296
297
MOZ_CAN_RUN_SCRIPT static bool
298
get_reason(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::CloseEvent* self, JSJitGetterCallArgs args)
299
0
{
300
0
  AUTO_PROFILER_LABEL_FAST("get CloseEvent.reason", DOM, cx);
301
0
302
0
  DOMString result;
303
0
  self->GetReason(result);
304
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
305
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
306
0
    return false;
307
0
  }
308
0
  return true;
309
0
}
310
311
static const JSJitInfo reason_getterinfo = {
312
  { (JSJitGetterOp)get_reason },
313
  { prototypes::id::CloseEvent },
314
  { PrototypeTraits<prototypes::id::CloseEvent>::Depth },
315
  JSJitInfo::Getter,
316
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
317
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
318
  false,  /* isInfallible. False in setters. */
319
  false,  /* isMovable.  Not relevant for setters. */
320
  false, /* isEliminatable.  Not relevant for setters. */
321
  false, /* isAlwaysInSlot.  Only relevant for getters. */
322
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
323
  false,  /* isTypedMethod.  Only relevant for methods. */
324
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
325
};
326
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
327
static_assert(0 < 1, "There is no slot for us");
328
329
MOZ_CAN_RUN_SCRIPT static bool
330
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::CloseEvent* self, JSJitGetterCallArgs args)
331
0
{
332
0
  AUTO_PROFILER_LABEL_FAST("get CloseEvent.isTrusted", DOM, cx);
333
0
334
0
  bool result(self->IsTrusted());
335
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
336
0
  args.rval().setBoolean(result);
337
0
  return true;
338
0
}
339
340
static const JSJitInfo isTrusted_getterinfo = {
341
  { (JSJitGetterOp)get_isTrusted },
342
  { prototypes::id::CloseEvent },
343
  { PrototypeTraits<prototypes::id::CloseEvent>::Depth },
344
  JSJitInfo::Getter,
345
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
346
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
347
  true,  /* isInfallible. False in setters. */
348
  true,  /* isMovable.  Not relevant for setters. */
349
  true, /* isEliminatable.  Not relevant for setters. */
350
  false, /* isAlwaysInSlot.  Only relevant for getters. */
351
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
352
  false,  /* isTypedMethod.  Only relevant for methods. */
353
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
354
};
355
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
356
static_assert(0 < 1, "There is no slot for us");
357
358
static bool
359
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
360
0
{
361
0
  mozilla::dom::CloseEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::CloseEvent>(obj);
362
0
  // We don't want to preserve if we don't have a wrapper, and we
363
0
  // obviously can't preserve if we're not initialized.
364
0
  if (self && self->GetWrapperPreserveColor()) {
365
0
    PreserveWrapper(self);
366
0
  }
367
0
  return true;
368
0
}
369
370
static void
371
_finalize(js::FreeOp* fop, JSObject* obj)
372
0
{
373
0
  mozilla::dom::CloseEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::CloseEvent>(obj);
374
0
  if (self) {
375
0
    ClearWrapper(self, self, obj);
376
0
    AddForDeferredFinalization<mozilla::dom::CloseEvent>(self);
377
0
  }
378
0
}
379
380
static size_t
381
_objectMoved(JSObject* obj, JSObject* old)
382
0
{
383
0
  mozilla::dom::CloseEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::CloseEvent>(obj);
384
0
  if (self) {
385
0
    UpdateWrapper(self, self, obj, old);
386
0
  }
387
0
388
0
  return 0;
389
0
}
390
391
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
392
#if defined(__clang__)
393
#pragma clang diagnostic push
394
#pragma clang diagnostic ignored "-Wmissing-braces"
395
#endif
396
static const JSPropertySpec sAttributes_specs[] = {
397
  { "wasClean", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &wasClean_getterinfo, nullptr, nullptr },
398
  { "code", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &code_getterinfo, nullptr, nullptr },
399
  { "reason", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &reason_getterinfo, nullptr, nullptr },
400
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
401
};
402
#if defined(__clang__)
403
#pragma clang diagnostic pop
404
#endif
405
406
407
static const Prefable<const JSPropertySpec> sAttributes[] = {
408
  { nullptr, &sAttributes_specs[0] },
409
  { nullptr, nullptr }
410
};
411
412
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
413
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
414
static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
415
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
416
417
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
418
#if defined(__clang__)
419
#pragma clang diagnostic push
420
#pragma clang diagnostic ignored "-Wmissing-braces"
421
#endif
422
static const JSPropertySpec sUnforgeableAttributes_specs[] = {
423
  { "isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr },
424
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
425
};
426
#if defined(__clang__)
427
#pragma clang diagnostic pop
428
#endif
429
430
431
static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
432
  { nullptr, &sUnforgeableAttributes_specs[0] },
433
  { nullptr, nullptr }
434
};
435
436
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
437
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
438
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
439
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
440
441
442
static uint16_t sNativeProperties_sortedPropertyIndices[4];
443
static PropertyInfo sNativeProperties_propertyInfos[4];
444
445
static const NativePropertiesN<2> sNativeProperties = {
446
  false, 0,
447
  false, 0,
448
  false, 0,
449
  true,  0 /* sAttributes */,
450
  false, 0,
451
  true,  1 /* sUnforgeableAttributes */,
452
  false, 0,
453
  -1,
454
  4,
455
  sNativeProperties_sortedPropertyIndices,
456
  {
457
    { sAttributes, &sNativeProperties_propertyInfos[0] },
458
    { sUnforgeableAttributes, &sNativeProperties_propertyInfos[3] }
459
  }
460
};
461
static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
462
    "We have a property info count that is oversized");
463
464
static bool
465
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
466
0
{
467
0
  AUTO_PROFILER_LABEL_FAST("CloseEvent constructor", DOM, cx);
468
0
469
0
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
470
0
  JS::Rooted<JSObject*> obj(cx, &args.callee());
471
0
  if (!args.isConstructing()) {
472
0
    // XXXbz wish I could get the name from the callee instead of
473
0
    // Adding more relocations
474
0
    return ThrowConstructorWithoutNew(cx, "CloseEvent");
475
0
  }
476
0
477
0
  JS::Rooted<JSObject*> desiredProto(cx);
478
0
  if (!GetDesiredProto(cx, args, &desiredProto)) {
479
0
    return false;
480
0
  }
481
0
482
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
483
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "CloseEvent");
484
0
  }
485
0
  GlobalObject global(cx, obj);
486
0
  if (global.Failed()) {
487
0
    return false;
488
0
  }
489
0
490
0
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
491
0
  binding_detail::FakeString arg0;
492
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
493
0
    return false;
494
0
  }
495
0
  binding_detail::FastCloseEventInit arg1;
496
0
  if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of CloseEvent.constructor", false)) {
497
0
    return false;
498
0
  }
499
0
  Maybe<JSAutoRealm> ar;
500
0
  if (objIsXray) {
501
0
    obj = js::CheckedUnwrap(obj);
502
0
    if (!obj) {
503
0
      return false;
504
0
    }
505
0
    ar.emplace(cx, obj);
506
0
    if (!JS_WrapObject(cx, &desiredProto)) {
507
0
      return false;
508
0
    }
509
0
  }
510
0
  FastErrorResult rv;
511
0
  auto result(StrongOrRawPtr<mozilla::dom::CloseEvent>(mozilla::dom::CloseEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
512
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
513
0
    return false;
514
0
  }
515
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
516
0
  static_assert(!IsPointer<decltype(result)>::value,
517
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
518
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
519
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
520
0
    return false;
521
0
  }
522
0
  return true;
523
0
}
524
525
static const js::ClassOps sInterfaceObjectClassOps = {
526
    nullptr,               /* addProperty */
527
    nullptr,               /* delProperty */
528
    nullptr,               /* enumerate */
529
    nullptr,               /* newEnumerate */
530
    nullptr,               /* resolve */
531
    nullptr,               /* mayResolve */
532
    nullptr,               /* finalize */
533
    _constructor, /* call */
534
    nullptr,               /* hasInstance */
535
    _constructor, /* construct */
536
    nullptr,               /* trace */
537
};
538
539
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
540
  {
541
    "Function",
542
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
543
    &sInterfaceObjectClassOps,
544
    JS_NULL_CLASS_SPEC,
545
    JS_NULL_CLASS_EXT,
546
    &sInterfaceObjectClassObjectOps
547
  },
548
  eInterface,
549
  true,
550
  prototypes::id::CloseEvent,
551
  PrototypeTraits<prototypes::id::CloseEvent>::Depth,
552
  sNativePropertyHooks,
553
  "function CloseEvent() {\n    [native code]\n}",
554
  Event_Binding::GetConstructorObject
555
};
556
557
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
558
  {
559
    "CloseEventPrototype",
560
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
561
    JS_NULL_CLASS_OPS,
562
    JS_NULL_CLASS_SPEC,
563
    JS_NULL_CLASS_EXT,
564
    JS_NULL_OBJECT_OPS
565
  },
566
  eInterfacePrototype,
567
  false,
568
  prototypes::id::CloseEvent,
569
  PrototypeTraits<prototypes::id::CloseEvent>::Depth,
570
  sNativePropertyHooks,
571
  "[object CloseEventPrototype]",
572
  Event_Binding::GetProtoObject
573
};
574
575
static const js::ClassOps sClassOps = {
576
  _addProperty, /* addProperty */
577
  nullptr,               /* delProperty */
578
  nullptr,               /* enumerate */
579
  nullptr, /* newEnumerate */
580
  nullptr, /* resolve */
581
  nullptr, /* mayResolve */
582
  _finalize, /* finalize */
583
  nullptr, /* call */
584
  nullptr,               /* hasInstance */
585
  nullptr,               /* construct */
586
  nullptr, /* trace */
587
};
588
589
static const js::ClassExtension sClassExtension = {
590
  nullptr, /* weakmapKeyDelegateOp */
591
  _objectMoved /* objectMovedOp */
592
};
593
594
static const DOMJSClass sClass = {
595
  { "CloseEvent",
596
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
597
    &sClassOps,
598
    JS_NULL_CLASS_SPEC,
599
    &sClassExtension,
600
    JS_NULL_OBJECT_OPS
601
  },
602
  { prototypes::id::Event, prototypes::id::CloseEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
603
  IsBaseOf<nsISupports, mozilla::dom::CloseEvent >::value,
604
  sNativePropertyHooks,
605
  FindAssociatedGlobalForNative<mozilla::dom::CloseEvent>::Get,
606
  GetProtoObjectHandle,
607
  GetCCParticipant<mozilla::dom::CloseEvent>::Get()
608
};
609
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
610
              "Must have the right minimal number of reserved slots.");
611
static_assert(1 >= 1,
612
              "Must have enough reserved slots.");
613
614
const JSClass*
615
GetJSClass()
616
0
{
617
0
  return sClass.ToJSClass();
618
0
}
619
620
bool
621
Wrap(JSContext* aCx, mozilla::dom::CloseEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
622
0
{
623
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::CloseEvent>::value,
624
0
                "Shouldn't have wrappercached things that are not refcounted.");
625
0
  MOZ_ASSERT(static_cast<mozilla::dom::CloseEvent*>(aObject) ==
626
0
             reinterpret_cast<mozilla::dom::CloseEvent*>(aObject),
627
0
             "Multiple inheritance for mozilla::dom::CloseEvent is broken.");
628
0
  MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
629
0
             reinterpret_cast<mozilla::dom::Event*>(aObject),
630
0
             "Multiple inheritance for mozilla::dom::Event is broken.");
631
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
632
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
633
0
  MOZ_ASSERT(!aCache->GetWrapper(),
634
0
             "You should probably not be using Wrap() directly; use "
635
0
             "GetOrCreateDOMReflector instead");
636
0
637
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
638
0
             "nsISupports must be on our primary inheritance chain");
639
0
640
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
641
0
  if (!global) {
642
0
    return false;
643
0
  }
644
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
645
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
646
0
647
0
  // That might have ended up wrapping us already, due to the wonders
648
0
  // of XBL.  Check for that, and bail out as needed.
649
0
  aReflector.set(aCache->GetWrapper());
650
0
  if (aReflector) {
651
#ifdef DEBUG
652
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
653
#endif // DEBUG
654
    return true;
655
0
  }
656
0
657
0
  JSAutoRealm ar(aCx, global);
658
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
659
0
  if (!canonicalProto) {
660
0
    return false;
661
0
  }
662
0
  JS::Rooted<JSObject*> proto(aCx);
663
0
  if (aGivenProto) {
664
0
    proto = aGivenProto;
665
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
666
0
    // coming in, we changed compartments to that of "parent" so may need
667
0
    // to wrap the proto here.
668
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
669
0
      if (!JS_WrapObject(aCx, &proto)) {
670
0
        return false;
671
0
      }
672
0
    }
673
0
  } else {
674
0
    proto = canonicalProto;
675
0
  }
676
0
677
0
  BindingJSObjectCreator<mozilla::dom::CloseEvent> creator(aCx);
678
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
679
0
  if (!aReflector) {
680
0
    return false;
681
0
  }
682
0
683
0
  aCache->SetWrapper(aReflector);
684
0
685
0
  // Important: do unforgeable property setup after we have handed
686
0
  // over ownership of the C++ object to obj as needed, so that if
687
0
  // we fail and it ends up GCed it won't have problems in the
688
0
  // finalizer trying to drop its ownership of the C++ object.
689
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx,
690
0
    &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
691
0
  if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
692
0
    aCache->ReleaseWrapper(aObject);
693
0
    aCache->ClearWrapper();
694
0
    return false;
695
0
  }
696
0
  creator.InitializationSucceeded();
697
0
698
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
699
0
             aCache->GetWrapperPreserveColor() == aReflector);
700
0
  // If proto != canonicalProto, we have to preserve our wrapper;
701
0
  // otherwise we won't be able to properly recreate it later, since
702
0
  // we won't know what proto to use.  Note that we don't check
703
0
  // aGivenProto here, since it's entirely possible (and even
704
0
  // somewhat common) to have a non-null aGivenProto which is the
705
0
  // same as canonicalProto.
706
0
  if (proto != canonicalProto) {
707
0
    PreserveWrapper(aObject);
708
0
  }
709
0
710
0
  return true;
711
0
}
712
713
const NativePropertyHooks sNativePropertyHooks[] = { {
714
  nullptr,
715
  nullptr,
716
  nullptr,
717
  { sNativeProperties.Upcast(), nullptr },
718
  prototypes::id::CloseEvent,
719
  constructors::id::CloseEvent,
720
  Event_Binding::sNativePropertyHooks,
721
  &DefaultXrayExpandoObjectClass
722
} };
723
724
void
725
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
726
0
{
727
0
  JS::Handle<JSObject*> parentProto(Event_Binding::GetProtoObjectHandle(aCx));
728
0
  if (!parentProto) {
729
0
    return;
730
0
  }
731
0
732
0
  JS::Handle<JSObject*> constructorProto(Event_Binding::GetConstructorObjectHandle(aCx));
733
0
  if (!constructorProto) {
734
0
    return;
735
0
  }
736
0
737
0
  static bool sIdsInited = false;
738
0
  if (!sIdsInited && NS_IsMainThread()) {
739
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
740
0
      return;
741
0
    }
742
0
    sIdsInited = true;
743
0
  }
744
0
745
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::CloseEvent);
746
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::CloseEvent);
747
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
748
0
                              &sPrototypeClass.mBase, protoCache,
749
0
                              nullptr,
750
0
                              constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
751
0
                              interfaceCache,
752
0
                              sNativeProperties.Upcast(),
753
0
                              nullptr,
754
0
                              "CloseEvent", aDefineOnGlobal,
755
0
                              nullptr,
756
0
                              false);
757
0
758
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx);
759
0
  {
760
0
    JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
761
0
    unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
762
0
    if (!unforgeableHolder) {
763
0
      *protoCache = nullptr;
764
0
      if (interfaceCache) {
765
0
        *interfaceCache = nullptr;
766
0
      }
767
0
      return;
768
0
    }
769
0
  }
770
0
771
0
  if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
772
0
    *protoCache = nullptr;
773
0
    if (interfaceCache) {
774
0
      *interfaceCache = nullptr;
775
0
    }
776
0
    return;
777
0
  }
778
0
779
0
  if (*protoCache) {
780
0
    js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
781
0
                        JS::ObjectValue(*unforgeableHolder));
782
0
  }
783
0
}
784
785
JSObject*
786
GetConstructorObject(JSContext* aCx)
787
0
{
788
0
  return GetConstructorObjectHandle(aCx);
789
0
}
790
791
} // namespace CloseEvent_Binding
792
793
794
795
} // namespace dom
796
} // namespace mozilla