Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/ProgressEventBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM ProgressEvent.webidl BY Codegen.py - DO NOT EDIT */
2
3
#include "AtomList.h"
4
#include "EventBinding.h"
5
#include "ProgressEventBinding.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/NonRefcountedDOMObject.h"
11
#include "mozilla/dom/PrimitiveConversions.h"
12
#include "mozilla/dom/ProgressEvent.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
ProgressEventInit::ProgressEventInit()
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
ProgressEventInit::InitIds(JSContext* cx, ProgressEventInitAtoms* 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->total_id.init(cx, "total") ||
42
0
      !atomsCache->loaded_id.init(cx, "loaded") ||
43
0
      !atomsCache->lengthComputable_id.init(cx, "lengthComputable")) {
44
0
    return false;
45
0
  }
46
0
  return true;
47
0
}
48
49
bool
50
ProgressEventInit::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
  ProgressEventInitAtoms* atomsCache = nullptr;
58
0
  if (cx) {
59
0
    atomsCache = GetAtomCache<ProgressEventInitAtoms>(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->lengthComputable_id, temp.ptr())) {
81
0
      return false;
82
0
    }
83
0
  }
84
0
  if (!isNull && !temp->isUndefined()) {
85
0
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mLengthComputable)) {
86
0
      return false;
87
0
    }
88
0
  } else {
89
0
    mLengthComputable = false;
90
0
  }
91
0
  mIsAnyMemberPresent = true;
92
0
93
0
  if (!isNull) {
94
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->loaded_id, temp.ptr())) {
95
0
      return false;
96
0
    }
97
0
  }
98
0
  if (!isNull && !temp->isUndefined()) {
99
0
    if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), &mLoaded)) {
100
0
      return false;
101
0
    }
102
0
  } else {
103
0
    mLoaded = 0ULL;
104
0
  }
105
0
  mIsAnyMemberPresent = true;
106
0
107
0
  if (!isNull) {
108
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->total_id, temp.ptr())) {
109
0
      return false;
110
0
    }
111
0
  }
112
0
  if (!isNull && !temp->isUndefined()) {
113
0
    if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), &mTotal)) {
114
0
      return false;
115
0
    }
116
0
  } else {
117
0
    mTotal = 0ULL;
118
0
  }
119
0
  mIsAnyMemberPresent = true;
120
0
  return true;
121
0
}
122
123
bool
124
ProgressEventInit::Init(const nsAString& aJSON)
125
0
{
126
0
  AutoJSAPI jsapi;
127
0
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
128
0
  if (!cleanGlobal) {
129
0
    return false;
130
0
  }
131
0
  if (!jsapi.Init(cleanGlobal)) {
132
0
    return false;
133
0
  }
134
0
  JSContext* cx = jsapi.cx();
135
0
  JS::Rooted<JS::Value> json(cx);
136
0
  bool ok = ParseJSON(cx, aJSON, &json);
137
0
  NS_ENSURE_TRUE(ok, false);
138
0
  return Init(cx, json);
139
0
}
140
141
bool
142
ProgressEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
143
0
{
144
0
  ProgressEventInitAtoms* atomsCache = GetAtomCache<ProgressEventInitAtoms>(cx);
145
0
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
146
0
    return false;
147
0
  }
148
0
149
0
  // Per spec, we define the parent's members first
150
0
  if (!EventInit::ToObjectInternal(cx, rval)) {
151
0
    return false;
152
0
  }
153
0
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());
154
0
155
0
  do {
156
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
157
0
    JS::Rooted<JS::Value> temp(cx);
158
0
    bool const & currentValue = mLengthComputable;
159
0
    temp.setBoolean(currentValue);
160
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->lengthComputable_id, temp, JSPROP_ENUMERATE)) {
161
0
      return false;
162
0
    }
163
0
    break;
164
0
  } while(false);
165
0
166
0
  do {
167
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
168
0
    JS::Rooted<JS::Value> temp(cx);
169
0
    uint64_t const & currentValue = mLoaded;
170
0
    temp.set(JS_NumberValue(double(currentValue)));
171
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->loaded_id, temp, JSPROP_ENUMERATE)) {
172
0
      return false;
173
0
    }
174
0
    break;
175
0
  } while(false);
176
0
177
0
  do {
178
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
179
0
    JS::Rooted<JS::Value> temp(cx);
180
0
    uint64_t const & currentValue = mTotal;
181
0
    temp.set(JS_NumberValue(double(currentValue)));
182
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->total_id, temp, JSPROP_ENUMERATE)) {
183
0
      return false;
184
0
    }
185
0
    break;
186
0
  } while(false);
187
0
188
0
  return true;
189
0
}
190
191
bool
192
ProgressEventInit::ToJSON(nsAString& aJSON) const
193
0
{
194
0
  AutoJSAPI jsapi;
195
0
  jsapi.Init();
196
0
  JSContext *cx = jsapi.cx();
197
0
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
198
0
  // because we'll only be creating objects, in ways that have no
199
0
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
200
0
  // which likewise guarantees no side-effects for the sorts of
201
0
  // things we will pass it.
202
0
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
203
0
  JS::Rooted<JS::Value> val(cx);
204
0
  if (!ToObjectInternal(cx, &val)) {
205
0
    return false;
206
0
  }
207
0
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
208
0
  return StringifyToJSON(cx, obj, aJSON);
209
0
}
210
211
void
212
ProgressEventInit::TraceDictionary(JSTracer* trc)
213
0
{
214
0
  EventInit::TraceDictionary(trc);
215
0
}
216
217
ProgressEventInit&
218
ProgressEventInit::operator=(const ProgressEventInit& aOther)
219
0
{
220
0
  EventInit::operator=(aOther);
221
0
  mLengthComputable = aOther.mLengthComputable;
222
0
  mLoaded = aOther.mLoaded;
223
0
  mTotal = aOther.mTotal;
224
0
  return *this;
225
0
}
226
227
namespace binding_detail {
228
} // namespace binding_detail
229
230
231
namespace ProgressEvent_Binding {
232
233
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<Event_Binding::NativeType>::value,
234
              "Can't inherit from an interface with a different ownership model.");
235
236
MOZ_CAN_RUN_SCRIPT static bool
237
get_lengthComputable(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
238
0
{
239
0
  AUTO_PROFILER_LABEL_FAST("get ProgressEvent.lengthComputable", DOM, cx);
240
0
241
0
  bool result(self->LengthComputable());
242
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
243
0
  args.rval().setBoolean(result);
244
0
  return true;
245
0
}
246
247
static const JSJitInfo lengthComputable_getterinfo = {
248
  { (JSJitGetterOp)get_lengthComputable },
249
  { prototypes::id::ProgressEvent },
250
  { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
251
  JSJitInfo::Getter,
252
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
253
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
254
  true,  /* isInfallible. False in setters. */
255
  false,  /* isMovable.  Not relevant for setters. */
256
  false, /* isEliminatable.  Not relevant for setters. */
257
  false, /* isAlwaysInSlot.  Only relevant for getters. */
258
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
259
  false,  /* isTypedMethod.  Only relevant for methods. */
260
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
261
};
262
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
263
static_assert(0 < 1, "There is no slot for us");
264
265
MOZ_CAN_RUN_SCRIPT static bool
266
get_loaded(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
267
0
{
268
0
  AUTO_PROFILER_LABEL_FAST("get ProgressEvent.loaded", DOM, cx);
269
0
270
0
  uint64_t result(self->Loaded());
271
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
272
0
  args.rval().set(JS_NumberValue(double(result)));
273
0
  return true;
274
0
}
275
276
static const JSJitInfo loaded_getterinfo = {
277
  { (JSJitGetterOp)get_loaded },
278
  { prototypes::id::ProgressEvent },
279
  { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
280
  JSJitInfo::Getter,
281
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
282
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
283
  true,  /* isInfallible. False in setters. */
284
  false,  /* isMovable.  Not relevant for setters. */
285
  false, /* isEliminatable.  Not relevant for setters. */
286
  false, /* isAlwaysInSlot.  Only relevant for getters. */
287
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
288
  false,  /* isTypedMethod.  Only relevant for methods. */
289
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
290
};
291
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
292
static_assert(0 < 1, "There is no slot for us");
293
294
MOZ_CAN_RUN_SCRIPT static bool
295
get_total(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
296
0
{
297
0
  AUTO_PROFILER_LABEL_FAST("get ProgressEvent.total", DOM, cx);
298
0
299
0
  uint64_t result(self->Total());
300
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
301
0
  args.rval().set(JS_NumberValue(double(result)));
302
0
  return true;
303
0
}
304
305
static const JSJitInfo total_getterinfo = {
306
  { (JSJitGetterOp)get_total },
307
  { prototypes::id::ProgressEvent },
308
  { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
309
  JSJitInfo::Getter,
310
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
311
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
312
  true,  /* 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
323
MOZ_CAN_RUN_SCRIPT static bool
324
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
325
0
{
326
0
  AUTO_PROFILER_LABEL_FAST("get ProgressEvent.isTrusted", DOM, cx);
327
0
328
0
  bool result(self->IsTrusted());
329
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
330
0
  args.rval().setBoolean(result);
331
0
  return true;
332
0
}
333
334
static const JSJitInfo isTrusted_getterinfo = {
335
  { (JSJitGetterOp)get_isTrusted },
336
  { prototypes::id::ProgressEvent },
337
  { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
338
  JSJitInfo::Getter,
339
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
340
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
341
  true,  /* isInfallible. False in setters. */
342
  true,  /* isMovable.  Not relevant for setters. */
343
  true, /* isEliminatable.  Not relevant for setters. */
344
  false, /* isAlwaysInSlot.  Only relevant for getters. */
345
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
346
  false,  /* isTypedMethod.  Only relevant for methods. */
347
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
348
};
349
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
350
static_assert(0 < 1, "There is no slot for us");
351
352
static bool
353
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
354
0
{
355
0
  mozilla::dom::ProgressEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ProgressEvent>(obj);
356
0
  // We don't want to preserve if we don't have a wrapper, and we
357
0
  // obviously can't preserve if we're not initialized.
358
0
  if (self && self->GetWrapperPreserveColor()) {
359
0
    PreserveWrapper(self);
360
0
  }
361
0
  return true;
362
0
}
363
364
static void
365
_finalize(js::FreeOp* fop, JSObject* obj)
366
0
{
367
0
  mozilla::dom::ProgressEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ProgressEvent>(obj);
368
0
  if (self) {
369
0
    ClearWrapper(self, self, obj);
370
0
    AddForDeferredFinalization<mozilla::dom::ProgressEvent>(self);
371
0
  }
372
0
}
373
374
static size_t
375
_objectMoved(JSObject* obj, JSObject* old)
376
0
{
377
0
  mozilla::dom::ProgressEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ProgressEvent>(obj);
378
0
  if (self) {
379
0
    UpdateWrapper(self, self, obj, old);
380
0
  }
381
0
382
0
  return 0;
383
0
}
384
385
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
386
#if defined(__clang__)
387
#pragma clang diagnostic push
388
#pragma clang diagnostic ignored "-Wmissing-braces"
389
#endif
390
static const JSPropertySpec sAttributes_specs[] = {
391
  { "lengthComputable", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &lengthComputable_getterinfo, nullptr, nullptr },
392
  { "loaded", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &loaded_getterinfo, nullptr, nullptr },
393
  { "total", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &total_getterinfo, nullptr, nullptr },
394
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
395
};
396
#if defined(__clang__)
397
#pragma clang diagnostic pop
398
#endif
399
400
401
static const Prefable<const JSPropertySpec> sAttributes[] = {
402
  { nullptr, &sAttributes_specs[0] },
403
  { nullptr, nullptr }
404
};
405
406
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
407
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
408
static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
409
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
410
411
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
412
#if defined(__clang__)
413
#pragma clang diagnostic push
414
#pragma clang diagnostic ignored "-Wmissing-braces"
415
#endif
416
static const JSPropertySpec sUnforgeableAttributes_specs[] = {
417
  { "isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr },
418
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
419
};
420
#if defined(__clang__)
421
#pragma clang diagnostic pop
422
#endif
423
424
425
static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
426
  { nullptr, &sUnforgeableAttributes_specs[0] },
427
  { nullptr, nullptr }
428
};
429
430
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
431
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
432
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
433
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
434
435
436
static uint16_t sNativeProperties_sortedPropertyIndices[4];
437
static PropertyInfo sNativeProperties_propertyInfos[4];
438
439
static const NativePropertiesN<2> sNativeProperties = {
440
  false, 0,
441
  false, 0,
442
  false, 0,
443
  true,  0 /* sAttributes */,
444
  false, 0,
445
  true,  1 /* sUnforgeableAttributes */,
446
  false, 0,
447
  -1,
448
  4,
449
  sNativeProperties_sortedPropertyIndices,
450
  {
451
    { sAttributes, &sNativeProperties_propertyInfos[0] },
452
    { sUnforgeableAttributes, &sNativeProperties_propertyInfos[3] }
453
  }
454
};
455
static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
456
    "We have a property info count that is oversized");
457
458
static bool
459
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
460
0
{
461
0
  AUTO_PROFILER_LABEL_FAST("ProgressEvent constructor", DOM, cx);
462
0
463
0
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
464
0
  JS::Rooted<JSObject*> obj(cx, &args.callee());
465
0
  if (!args.isConstructing()) {
466
0
    // XXXbz wish I could get the name from the callee instead of
467
0
    // Adding more relocations
468
0
    return ThrowConstructorWithoutNew(cx, "ProgressEvent");
469
0
  }
470
0
471
0
  JS::Rooted<JSObject*> desiredProto(cx);
472
0
  if (!GetDesiredProto(cx, args, &desiredProto)) {
473
0
    return false;
474
0
  }
475
0
476
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
477
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ProgressEvent");
478
0
  }
479
0
  GlobalObject global(cx, obj);
480
0
  if (global.Failed()) {
481
0
    return false;
482
0
  }
483
0
484
0
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
485
0
  binding_detail::FakeString arg0;
486
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
487
0
    return false;
488
0
  }
489
0
  binding_detail::FastProgressEventInit arg1;
490
0
  if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of ProgressEvent.constructor", false)) {
491
0
    return false;
492
0
  }
493
0
  Maybe<JSAutoRealm> ar;
494
0
  if (objIsXray) {
495
0
    obj = js::CheckedUnwrap(obj);
496
0
    if (!obj) {
497
0
      return false;
498
0
    }
499
0
    ar.emplace(cx, obj);
500
0
    if (!JS_WrapObject(cx, &desiredProto)) {
501
0
      return false;
502
0
    }
503
0
  }
504
0
  FastErrorResult rv;
505
0
  auto result(StrongOrRawPtr<mozilla::dom::ProgressEvent>(mozilla::dom::ProgressEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
506
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
507
0
    return false;
508
0
  }
509
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
510
0
  static_assert(!IsPointer<decltype(result)>::value,
511
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
512
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
513
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
514
0
    return false;
515
0
  }
516
0
  return true;
517
0
}
518
519
static const js::ClassOps sInterfaceObjectClassOps = {
520
    nullptr,               /* addProperty */
521
    nullptr,               /* delProperty */
522
    nullptr,               /* enumerate */
523
    nullptr,               /* newEnumerate */
524
    nullptr,               /* resolve */
525
    nullptr,               /* mayResolve */
526
    nullptr,               /* finalize */
527
    _constructor, /* call */
528
    nullptr,               /* hasInstance */
529
    _constructor, /* construct */
530
    nullptr,               /* trace */
531
};
532
533
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
534
  {
535
    "Function",
536
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
537
    &sInterfaceObjectClassOps,
538
    JS_NULL_CLASS_SPEC,
539
    JS_NULL_CLASS_EXT,
540
    &sInterfaceObjectClassObjectOps
541
  },
542
  eInterface,
543
  true,
544
  prototypes::id::ProgressEvent,
545
  PrototypeTraits<prototypes::id::ProgressEvent>::Depth,
546
  sNativePropertyHooks,
547
  "function ProgressEvent() {\n    [native code]\n}",
548
  Event_Binding::GetConstructorObject
549
};
550
551
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
552
  {
553
    "ProgressEventPrototype",
554
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
555
    JS_NULL_CLASS_OPS,
556
    JS_NULL_CLASS_SPEC,
557
    JS_NULL_CLASS_EXT,
558
    JS_NULL_OBJECT_OPS
559
  },
560
  eInterfacePrototype,
561
  false,
562
  prototypes::id::ProgressEvent,
563
  PrototypeTraits<prototypes::id::ProgressEvent>::Depth,
564
  sNativePropertyHooks,
565
  "[object ProgressEventPrototype]",
566
  Event_Binding::GetProtoObject
567
};
568
569
static const js::ClassOps sClassOps = {
570
  _addProperty, /* addProperty */
571
  nullptr,               /* delProperty */
572
  nullptr,               /* enumerate */
573
  nullptr, /* newEnumerate */
574
  nullptr, /* resolve */
575
  nullptr, /* mayResolve */
576
  _finalize, /* finalize */
577
  nullptr, /* call */
578
  nullptr,               /* hasInstance */
579
  nullptr,               /* construct */
580
  nullptr, /* trace */
581
};
582
583
static const js::ClassExtension sClassExtension = {
584
  nullptr, /* weakmapKeyDelegateOp */
585
  _objectMoved /* objectMovedOp */
586
};
587
588
static const DOMJSClass sClass = {
589
  { "ProgressEvent",
590
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
591
    &sClassOps,
592
    JS_NULL_CLASS_SPEC,
593
    &sClassExtension,
594
    JS_NULL_OBJECT_OPS
595
  },
596
  { prototypes::id::Event, prototypes::id::ProgressEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
597
  IsBaseOf<nsISupports, mozilla::dom::ProgressEvent >::value,
598
  sNativePropertyHooks,
599
  FindAssociatedGlobalForNative<mozilla::dom::ProgressEvent>::Get,
600
  GetProtoObjectHandle,
601
  GetCCParticipant<mozilla::dom::ProgressEvent>::Get()
602
};
603
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
604
              "Must have the right minimal number of reserved slots.");
605
static_assert(1 >= 1,
606
              "Must have enough reserved slots.");
607
608
const JSClass*
609
GetJSClass()
610
0
{
611
0
  return sClass.ToJSClass();
612
0
}
613
614
bool
615
Wrap(JSContext* aCx, mozilla::dom::ProgressEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
616
0
{
617
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::ProgressEvent>::value,
618
0
                "Shouldn't have wrappercached things that are not refcounted.");
619
0
  MOZ_ASSERT(static_cast<mozilla::dom::ProgressEvent*>(aObject) ==
620
0
             reinterpret_cast<mozilla::dom::ProgressEvent*>(aObject),
621
0
             "Multiple inheritance for mozilla::dom::ProgressEvent is broken.");
622
0
  MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
623
0
             reinterpret_cast<mozilla::dom::Event*>(aObject),
624
0
             "Multiple inheritance for mozilla::dom::Event is broken.");
625
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
626
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
627
0
  MOZ_ASSERT(!aCache->GetWrapper(),
628
0
             "You should probably not be using Wrap() directly; use "
629
0
             "GetOrCreateDOMReflector instead");
630
0
631
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
632
0
             "nsISupports must be on our primary inheritance chain");
633
0
634
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
635
0
  if (!global) {
636
0
    return false;
637
0
  }
638
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
639
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
640
0
641
0
  // That might have ended up wrapping us already, due to the wonders
642
0
  // of XBL.  Check for that, and bail out as needed.
643
0
  aReflector.set(aCache->GetWrapper());
644
0
  if (aReflector) {
645
#ifdef DEBUG
646
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
647
#endif // DEBUG
648
    return true;
649
0
  }
650
0
651
0
  JSAutoRealm ar(aCx, global);
652
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
653
0
  if (!canonicalProto) {
654
0
    return false;
655
0
  }
656
0
  JS::Rooted<JSObject*> proto(aCx);
657
0
  if (aGivenProto) {
658
0
    proto = aGivenProto;
659
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
660
0
    // coming in, we changed compartments to that of "parent" so may need
661
0
    // to wrap the proto here.
662
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
663
0
      if (!JS_WrapObject(aCx, &proto)) {
664
0
        return false;
665
0
      }
666
0
    }
667
0
  } else {
668
0
    proto = canonicalProto;
669
0
  }
670
0
671
0
  BindingJSObjectCreator<mozilla::dom::ProgressEvent> creator(aCx);
672
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
673
0
  if (!aReflector) {
674
0
    return false;
675
0
  }
676
0
677
0
  aCache->SetWrapper(aReflector);
678
0
679
0
  // Important: do unforgeable property setup after we have handed
680
0
  // over ownership of the C++ object to obj as needed, so that if
681
0
  // we fail and it ends up GCed it won't have problems in the
682
0
  // finalizer trying to drop its ownership of the C++ object.
683
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx,
684
0
    &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
685
0
  if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
686
0
    aCache->ReleaseWrapper(aObject);
687
0
    aCache->ClearWrapper();
688
0
    return false;
689
0
  }
690
0
  creator.InitializationSucceeded();
691
0
692
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
693
0
             aCache->GetWrapperPreserveColor() == aReflector);
694
0
  // If proto != canonicalProto, we have to preserve our wrapper;
695
0
  // otherwise we won't be able to properly recreate it later, since
696
0
  // we won't know what proto to use.  Note that we don't check
697
0
  // aGivenProto here, since it's entirely possible (and even
698
0
  // somewhat common) to have a non-null aGivenProto which is the
699
0
  // same as canonicalProto.
700
0
  if (proto != canonicalProto) {
701
0
    PreserveWrapper(aObject);
702
0
  }
703
0
704
0
  return true;
705
0
}
706
707
const NativePropertyHooks sNativePropertyHooks[] = { {
708
  nullptr,
709
  nullptr,
710
  nullptr,
711
  { sNativeProperties.Upcast(), nullptr },
712
  prototypes::id::ProgressEvent,
713
  constructors::id::ProgressEvent,
714
  Event_Binding::sNativePropertyHooks,
715
  &DefaultXrayExpandoObjectClass
716
} };
717
718
void
719
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
720
0
{
721
0
  JS::Handle<JSObject*> parentProto(Event_Binding::GetProtoObjectHandle(aCx));
722
0
  if (!parentProto) {
723
0
    return;
724
0
  }
725
0
726
0
  JS::Handle<JSObject*> constructorProto(Event_Binding::GetConstructorObjectHandle(aCx));
727
0
  if (!constructorProto) {
728
0
    return;
729
0
  }
730
0
731
0
  static bool sIdsInited = false;
732
0
  if (!sIdsInited && NS_IsMainThread()) {
733
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
734
0
      return;
735
0
    }
736
0
    sIdsInited = true;
737
0
  }
738
0
739
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ProgressEvent);
740
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ProgressEvent);
741
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
742
0
                              &sPrototypeClass.mBase, protoCache,
743
0
                              nullptr,
744
0
                              constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
745
0
                              interfaceCache,
746
0
                              sNativeProperties.Upcast(),
747
0
                              nullptr,
748
0
                              "ProgressEvent", aDefineOnGlobal,
749
0
                              nullptr,
750
0
                              false);
751
0
752
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx);
753
0
  {
754
0
    JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
755
0
    unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
756
0
    if (!unforgeableHolder) {
757
0
      *protoCache = nullptr;
758
0
      if (interfaceCache) {
759
0
        *interfaceCache = nullptr;
760
0
      }
761
0
      return;
762
0
    }
763
0
  }
764
0
765
0
  if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
766
0
    *protoCache = nullptr;
767
0
    if (interfaceCache) {
768
0
      *interfaceCache = nullptr;
769
0
    }
770
0
    return;
771
0
  }
772
0
773
0
  if (*protoCache) {
774
0
    js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
775
0
                        JS::ObjectValue(*unforgeableHolder));
776
0
  }
777
0
}
778
779
JSObject*
780
GetConstructorObject(JSContext* aCx)
781
0
{
782
0
  return GetConstructorObjectHandle(aCx);
783
0
}
784
785
} // namespace ProgressEvent_Binding
786
787
788
789
} // namespace dom
790
} // namespace mozilla