Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/MediaDeviceInfoBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM MediaDeviceInfo.webidl BY Codegen.py - DO NOT EDIT */
2
3
#include "MediaDeviceInfoBinding.h"
4
#include "Navigator.h"
5
#include "WrapperFactory.h"
6
#include "jsapi.h"
7
#include "mozilla/OwningNonNull.h"
8
#include "mozilla/dom/BindingUtils.h"
9
#include "mozilla/dom/DOMJSClass.h"
10
#include "mozilla/dom/MediaDeviceInfo.h"
11
#include "mozilla/dom/NonRefcountedDOMObject.h"
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#include "mozilla/dom/XrayExpandoClass.h"
13
14
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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20
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namespace MediaDeviceKindValues {
22
extern const EnumEntry strings[4] = {
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  {"audioinput", 10},
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  {"audiooutput", 11},
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  {"videoinput", 10},
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  { nullptr, 0 }
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};
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} // namespace MediaDeviceKindValues
29
30
bool
31
ToJSValue(JSContext* aCx, MediaDeviceKind aArgument, JS::MutableHandle<JS::Value> aValue)
32
0
{
33
0
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(MediaDeviceKindValues::strings));
34
0
  JSString* resultStr =
35
0
    JS_NewStringCopyN(aCx, MediaDeviceKindValues::strings[uint32_t(aArgument)].value,
36
0
                      MediaDeviceKindValues::strings[uint32_t(aArgument)].length);
37
0
  if (!resultStr) {
38
0
    return false;
39
0
  }
40
0
  aValue.setString(resultStr);
41
0
  return true;
42
0
}
43
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namespace MediaDeviceInfo_Binding {
46
47
MOZ_CAN_RUN_SCRIPT static bool
48
get_deviceId(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaDeviceInfo* self, JSJitGetterCallArgs args)
49
0
{
50
0
  AUTO_PROFILER_LABEL_FAST("get MediaDeviceInfo.deviceId", DOM, cx);
51
0
52
0
  DOMString result;
53
0
  self->GetDeviceId(result);
54
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
55
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
56
0
    return false;
57
0
  }
58
0
  return true;
59
0
}
60
61
static const JSJitInfo deviceId_getterinfo = {
62
  { (JSJitGetterOp)get_deviceId },
63
  { prototypes::id::MediaDeviceInfo },
64
  { PrototypeTraits<prototypes::id::MediaDeviceInfo>::Depth },
65
  JSJitInfo::Getter,
66
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
67
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
68
  false,  /* isInfallible. False in setters. */
69
  false,  /* isMovable.  Not relevant for setters. */
70
  false, /* isEliminatable.  Not relevant for setters. */
71
  false, /* isAlwaysInSlot.  Only relevant for getters. */
72
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
73
  false,  /* isTypedMethod.  Only relevant for methods. */
74
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
75
};
76
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
77
static_assert(0 < 1, "There is no slot for us");
78
79
MOZ_CAN_RUN_SCRIPT static bool
80
get_kind(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaDeviceInfo* self, JSJitGetterCallArgs args)
81
0
{
82
0
  AUTO_PROFILER_LABEL_FAST("get MediaDeviceInfo.kind", DOM, cx);
83
0
84
0
  MediaDeviceKind result(self->Kind());
85
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
86
0
  if (!ToJSValue(cx, result, args.rval())) {
87
0
    return false;
88
0
  }
89
0
  return true;
90
0
}
91
92
static const JSJitInfo kind_getterinfo = {
93
  { (JSJitGetterOp)get_kind },
94
  { prototypes::id::MediaDeviceInfo },
95
  { PrototypeTraits<prototypes::id::MediaDeviceInfo>::Depth },
96
  JSJitInfo::Getter,
97
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
98
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
99
  false,  /* isInfallible. False in setters. */
100
  false,  /* isMovable.  Not relevant for setters. */
101
  false, /* isEliminatable.  Not relevant for setters. */
102
  false, /* isAlwaysInSlot.  Only relevant for getters. */
103
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
104
  false,  /* isTypedMethod.  Only relevant for methods. */
105
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
106
};
107
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
108
static_assert(0 < 1, "There is no slot for us");
109
110
MOZ_CAN_RUN_SCRIPT static bool
111
get_label(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaDeviceInfo* self, JSJitGetterCallArgs args)
112
0
{
113
0
  AUTO_PROFILER_LABEL_FAST("get MediaDeviceInfo.label", DOM, cx);
114
0
115
0
  DOMString result;
116
0
  self->GetLabel(result);
117
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
118
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
119
0
    return false;
120
0
  }
121
0
  return true;
122
0
}
123
124
static const JSJitInfo label_getterinfo = {
125
  { (JSJitGetterOp)get_label },
126
  { prototypes::id::MediaDeviceInfo },
127
  { PrototypeTraits<prototypes::id::MediaDeviceInfo>::Depth },
128
  JSJitInfo::Getter,
129
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
130
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
131
  false,  /* isInfallible. False in setters. */
132
  false,  /* isMovable.  Not relevant for setters. */
133
  false, /* isEliminatable.  Not relevant for setters. */
134
  false, /* isAlwaysInSlot.  Only relevant for getters. */
135
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
136
  false,  /* isTypedMethod.  Only relevant for methods. */
137
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
138
};
139
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
140
static_assert(0 < 1, "There is no slot for us");
141
142
MOZ_CAN_RUN_SCRIPT static bool
143
get_groupId(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaDeviceInfo* self, JSJitGetterCallArgs args)
144
0
{
145
0
  AUTO_PROFILER_LABEL_FAST("get MediaDeviceInfo.groupId", DOM, cx);
146
0
147
0
  DOMString result;
148
0
  self->GetGroupId(result);
149
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
150
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
151
0
    return false;
152
0
  }
153
0
  return true;
154
0
}
155
156
static const JSJitInfo groupId_getterinfo = {
157
  { (JSJitGetterOp)get_groupId },
158
  { prototypes::id::MediaDeviceInfo },
159
  { PrototypeTraits<prototypes::id::MediaDeviceInfo>::Depth },
160
  JSJitInfo::Getter,
161
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
162
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
163
  false,  /* isInfallible. False in setters. */
164
  false,  /* isMovable.  Not relevant for setters. */
165
  false, /* isEliminatable.  Not relevant for setters. */
166
  false, /* isAlwaysInSlot.  Only relevant for getters. */
167
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
168
  false,  /* isTypedMethod.  Only relevant for methods. */
169
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
170
};
171
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
172
static_assert(0 < 1, "There is no slot for us");
173
174
MOZ_CAN_RUN_SCRIPT static bool
175
toJSON(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaDeviceInfo* self, const JSJitMethodCallArgs& args)
176
0
{
177
0
  AUTO_PROFILER_LABEL_FAST("MediaDeviceInfo.toJSON", DOM, cx);
178
0
179
0
  JS::Rooted<JSObject*> result(cx, JS_NewPlainObject(cx));
180
0
  if (!result) {
181
0
    return false;
182
0
  }
183
0
  if (!MediaDeviceInfo_Binding::CollectJSONAttributes(cx, obj, self, result)) {
184
0
    return false;
185
0
  }
186
0
  args.rval().setObject(*result);
187
0
  return true;
188
0
}
189
190
static const JSJitInfo toJSON_methodinfo = {
191
  { (JSJitGetterOp)toJSON },
192
  { prototypes::id::MediaDeviceInfo },
193
  { PrototypeTraits<prototypes::id::MediaDeviceInfo>::Depth },
194
  JSJitInfo::Method,
195
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
196
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
197
  false,  /* isInfallible. False in setters. */
198
  false,  /* isMovable.  Not relevant for setters. */
199
  false, /* isEliminatable.  Not relevant for setters. */
200
  false, /* isAlwaysInSlot.  Only relevant for getters. */
201
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
202
  false,  /* isTypedMethod.  Only relevant for methods. */
203
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
204
};
205
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
206
static_assert(0 < 1, "There is no slot for us");
207
208
static bool
209
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
210
0
{
211
0
  mozilla::dom::MediaDeviceInfo* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MediaDeviceInfo>(obj);
212
0
  // We don't want to preserve if we don't have a wrapper, and we
213
0
  // obviously can't preserve if we're not initialized.
214
0
  if (self && self->GetWrapperPreserveColor()) {
215
0
    PreserveWrapper(self);
216
0
  }
217
0
  return true;
218
0
}
219
220
static void
221
_finalize(js::FreeOp* fop, JSObject* obj)
222
0
{
223
0
  mozilla::dom::MediaDeviceInfo* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MediaDeviceInfo>(obj);
224
0
  if (self) {
225
0
    ClearWrapper(self, self, obj);
226
0
    AddForDeferredFinalization<mozilla::dom::MediaDeviceInfo>(self);
227
0
  }
228
0
}
229
230
static size_t
231
_objectMoved(JSObject* obj, JSObject* old)
232
0
{
233
0
  mozilla::dom::MediaDeviceInfo* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MediaDeviceInfo>(obj);
234
0
  if (self) {
235
0
    UpdateWrapper(self, self, obj, old);
236
0
  }
237
0
238
0
  return 0;
239
0
}
240
241
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
242
#if defined(__clang__)
243
#pragma clang diagnostic push
244
#pragma clang diagnostic ignored "-Wmissing-braces"
245
#endif
246
static const JSFunctionSpec sMethods_specs[] = {
247
  JS_FNSPEC("toJSON", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&toJSON_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
248
  JS_FS_END
249
};
250
#if defined(__clang__)
251
#pragma clang diagnostic pop
252
#endif
253
254
255
static const Prefable<const JSFunctionSpec> sMethods[] = {
256
  { nullptr, &sMethods_specs[0] },
257
  { nullptr, nullptr }
258
};
259
260
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
261
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
262
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
263
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
264
265
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
266
#if defined(__clang__)
267
#pragma clang diagnostic push
268
#pragma clang diagnostic ignored "-Wmissing-braces"
269
#endif
270
static const JSPropertySpec sAttributes_specs[] = {
271
  { "deviceId", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &deviceId_getterinfo, nullptr, nullptr },
272
  { "kind", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &kind_getterinfo, nullptr, nullptr },
273
  { "label", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &label_getterinfo, nullptr, nullptr },
274
  { "groupId", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &groupId_getterinfo, nullptr, nullptr },
275
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
276
};
277
#if defined(__clang__)
278
#pragma clang diagnostic pop
279
#endif
280
281
282
static const Prefable<const JSPropertySpec> sAttributes[] = {
283
  { nullptr, &sAttributes_specs[0] },
284
  { nullptr, nullptr }
285
};
286
287
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
288
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
289
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
290
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
291
292
293
static uint16_t sNativeProperties_sortedPropertyIndices[5];
294
static PropertyInfo sNativeProperties_propertyInfos[5];
295
296
static const NativePropertiesN<2> sNativeProperties = {
297
  false, 0,
298
  false, 0,
299
  true,  0 /* sMethods */,
300
  true,  1 /* sAttributes */,
301
  false, 0,
302
  false, 0,
303
  false, 0,
304
  -1,
305
  5,
306
  sNativeProperties_sortedPropertyIndices,
307
  {
308
    { sMethods, &sNativeProperties_propertyInfos[0] },
309
    { sAttributes, &sNativeProperties_propertyInfos[1] }
310
  }
311
};
312
static_assert(5 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
313
    "We have a property info count that is oversized");
314
315
MOZ_CAN_RUN_SCRIPT bool
316
CollectJSONAttributes(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaDeviceInfo* self, JS::Rooted<JSObject*>& result)
317
0
{
318
0
  { // scope for "temp"
319
0
    JS::Rooted<JS::Value> temp(cx);
320
0
    if (!get_deviceId(cx, obj, self, JSJitGetterCallArgs(&temp))) {
321
0
      return false;
322
0
    }
323
0
    if (!JS_DefineProperty(cx, result, "deviceId", temp, JSPROP_ENUMERATE)) {
324
0
      return false;
325
0
    }
326
0
  }
327
0
  { // scope for "temp"
328
0
    JS::Rooted<JS::Value> temp(cx);
329
0
    if (!get_kind(cx, obj, self, JSJitGetterCallArgs(&temp))) {
330
0
      return false;
331
0
    }
332
0
    if (!JS_DefineProperty(cx, result, "kind", temp, JSPROP_ENUMERATE)) {
333
0
      return false;
334
0
    }
335
0
  }
336
0
  { // scope for "temp"
337
0
    JS::Rooted<JS::Value> temp(cx);
338
0
    if (!get_label(cx, obj, self, JSJitGetterCallArgs(&temp))) {
339
0
      return false;
340
0
    }
341
0
    if (!JS_DefineProperty(cx, result, "label", temp, JSPROP_ENUMERATE)) {
342
0
      return false;
343
0
    }
344
0
  }
345
0
  { // scope for "temp"
346
0
    JS::Rooted<JS::Value> temp(cx);
347
0
    if (!get_groupId(cx, obj, self, JSJitGetterCallArgs(&temp))) {
348
0
      return false;
349
0
    }
350
0
    if (!JS_DefineProperty(cx, result, "groupId", temp, JSPROP_ENUMERATE)) {
351
0
      return false;
352
0
    }
353
0
  }
354
0
  return true;
355
0
}
356
357
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
358
  {
359
    "Function",
360
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
361
    &sBoringInterfaceObjectClassClassOps,
362
    JS_NULL_CLASS_SPEC,
363
    JS_NULL_CLASS_EXT,
364
    &sInterfaceObjectClassObjectOps
365
  },
366
  eInterface,
367
  true,
368
  prototypes::id::MediaDeviceInfo,
369
  PrototypeTraits<prototypes::id::MediaDeviceInfo>::Depth,
370
  sNativePropertyHooks,
371
  "function MediaDeviceInfo() {\n    [native code]\n}",
372
  JS::GetRealmFunctionPrototype
373
};
374
375
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
376
  {
377
    "MediaDeviceInfoPrototype",
378
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
379
    JS_NULL_CLASS_OPS,
380
    JS_NULL_CLASS_SPEC,
381
    JS_NULL_CLASS_EXT,
382
    JS_NULL_OBJECT_OPS
383
  },
384
  eInterfacePrototype,
385
  false,
386
  prototypes::id::MediaDeviceInfo,
387
  PrototypeTraits<prototypes::id::MediaDeviceInfo>::Depth,
388
  sNativePropertyHooks,
389
  "[object MediaDeviceInfoPrototype]",
390
  JS::GetRealmObjectPrototype
391
};
392
393
bool
394
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
395
0
{
396
0
  return Navigator::HasUserMediaSupport(aCx, aObj);
397
0
}
398
399
static const js::ClassOps sClassOps = {
400
  _addProperty, /* addProperty */
401
  nullptr,               /* delProperty */
402
  nullptr,               /* enumerate */
403
  nullptr, /* newEnumerate */
404
  nullptr, /* resolve */
405
  nullptr, /* mayResolve */
406
  _finalize, /* finalize */
407
  nullptr, /* call */
408
  nullptr,               /* hasInstance */
409
  nullptr,               /* construct */
410
  nullptr, /* trace */
411
};
412
413
static const js::ClassExtension sClassExtension = {
414
  nullptr, /* weakmapKeyDelegateOp */
415
  _objectMoved /* objectMovedOp */
416
};
417
418
static const DOMJSClass sClass = {
419
  { "MediaDeviceInfo",
420
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
421
    &sClassOps,
422
    JS_NULL_CLASS_SPEC,
423
    &sClassExtension,
424
    JS_NULL_OBJECT_OPS
425
  },
426
  { prototypes::id::MediaDeviceInfo, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
427
  IsBaseOf<nsISupports, mozilla::dom::MediaDeviceInfo >::value,
428
  sNativePropertyHooks,
429
  FindAssociatedGlobalForNative<mozilla::dom::MediaDeviceInfo>::Get,
430
  GetProtoObjectHandle,
431
  GetCCParticipant<mozilla::dom::MediaDeviceInfo>::Get()
432
};
433
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
434
              "Must have the right minimal number of reserved slots.");
435
static_assert(1 >= 1,
436
              "Must have enough reserved slots.");
437
438
const JSClass*
439
GetJSClass()
440
0
{
441
0
  return sClass.ToJSClass();
442
0
}
443
444
bool
445
Wrap(JSContext* aCx, mozilla::dom::MediaDeviceInfo* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
446
0
{
447
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::MediaDeviceInfo>::value,
448
0
                "Shouldn't have wrappercached things that are not refcounted.");
449
0
  MOZ_ASSERT(static_cast<mozilla::dom::MediaDeviceInfo*>(aObject) ==
450
0
             reinterpret_cast<mozilla::dom::MediaDeviceInfo*>(aObject),
451
0
             "Multiple inheritance for mozilla::dom::MediaDeviceInfo is broken.");
452
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
453
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
454
0
  MOZ_ASSERT(!aCache->GetWrapper(),
455
0
             "You should probably not be using Wrap() directly; use "
456
0
             "GetOrCreateDOMReflector instead");
457
0
458
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
459
0
             "nsISupports must be on our primary inheritance chain");
460
0
461
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
462
0
  if (!global) {
463
0
    return false;
464
0
  }
465
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
466
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
467
0
468
0
  // That might have ended up wrapping us already, due to the wonders
469
0
  // of XBL.  Check for that, and bail out as needed.
470
0
  aReflector.set(aCache->GetWrapper());
471
0
  if (aReflector) {
472
#ifdef DEBUG
473
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
474
#endif // DEBUG
475
    return true;
476
0
  }
477
0
478
0
  JSAutoRealm ar(aCx, global);
479
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
480
0
  if (!canonicalProto) {
481
0
    return false;
482
0
  }
483
0
  JS::Rooted<JSObject*> proto(aCx);
484
0
  if (aGivenProto) {
485
0
    proto = aGivenProto;
486
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
487
0
    // coming in, we changed compartments to that of "parent" so may need
488
0
    // to wrap the proto here.
489
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
490
0
      if (!JS_WrapObject(aCx, &proto)) {
491
0
        return false;
492
0
      }
493
0
    }
494
0
  } else {
495
0
    proto = canonicalProto;
496
0
  }
497
0
498
0
  BindingJSObjectCreator<mozilla::dom::MediaDeviceInfo> creator(aCx);
499
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
500
0
  if (!aReflector) {
501
0
    return false;
502
0
  }
503
0
504
0
  aCache->SetWrapper(aReflector);
505
0
  creator.InitializationSucceeded();
506
0
507
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
508
0
             aCache->GetWrapperPreserveColor() == aReflector);
509
0
  // If proto != canonicalProto, we have to preserve our wrapper;
510
0
  // otherwise we won't be able to properly recreate it later, since
511
0
  // we won't know what proto to use.  Note that we don't check
512
0
  // aGivenProto here, since it's entirely possible (and even
513
0
  // somewhat common) to have a non-null aGivenProto which is the
514
0
  // same as canonicalProto.
515
0
  if (proto != canonicalProto) {
516
0
    PreserveWrapper(aObject);
517
0
  }
518
0
519
0
  return true;
520
0
}
521
522
const NativePropertyHooks sNativePropertyHooks[] = { {
523
  nullptr,
524
  nullptr,
525
  nullptr,
526
  { sNativeProperties.Upcast(), nullptr },
527
  prototypes::id::MediaDeviceInfo,
528
  constructors::id::MediaDeviceInfo,
529
  nullptr,
530
  &DefaultXrayExpandoObjectClass
531
} };
532
533
void
534
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
535
0
{
536
0
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
537
0
  if (!parentProto) {
538
0
    return;
539
0
  }
540
0
541
0
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
542
0
  if (!constructorProto) {
543
0
    return;
544
0
  }
545
0
546
0
  static bool sIdsInited = false;
547
0
  if (!sIdsInited && NS_IsMainThread()) {
548
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
549
0
      return;
550
0
    }
551
0
    sIdsInited = true;
552
0
  }
553
0
554
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MediaDeviceInfo);
555
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MediaDeviceInfo);
556
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
557
0
                              &sPrototypeClass.mBase, protoCache,
558
0
                              nullptr,
559
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
560
0
                              interfaceCache,
561
0
                              sNativeProperties.Upcast(),
562
0
                              nullptr,
563
0
                              "MediaDeviceInfo", aDefineOnGlobal,
564
0
                              nullptr,
565
0
                              false);
566
0
}
567
568
JSObject*
569
GetConstructorObject(JSContext* aCx)
570
0
{
571
0
  return GetConstructorObjectHandle(aCx);
572
0
}
573
574
} // namespace MediaDeviceInfo_Binding
575
576
577
578
} // namespace dom
579
} // namespace mozilla