Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/TouchListBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM TouchList.webidl BY Codegen.py - DO NOT EDIT */
2
3
#include "TouchListBinding.h"
4
#include "WrapperFactory.h"
5
#include "mozilla/OwningNonNull.h"
6
#include "mozilla/dom/BindingUtils.h"
7
#include "mozilla/dom/DOMJSClass.h"
8
#include "mozilla/dom/DOMJSProxyHandler.h"
9
#include "mozilla/dom/NonRefcountedDOMObject.h"
10
#include "mozilla/dom/Nullable.h"
11
#include "mozilla/dom/PrimitiveConversions.h"
12
#include "mozilla/dom/Touch.h"
13
#include "mozilla/dom/TouchEvent.h"
14
#include "mozilla/dom/XrayExpandoClass.h"
15
16
namespace mozilla {
17
namespace dom {
18
19
namespace binding_detail {}; // Just to make sure it's known as a namespace
20
using namespace mozilla::dom::binding_detail;
21
22
23
namespace TouchList_Binding {
24
25
MOZ_CAN_RUN_SCRIPT static bool
26
get_length(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::TouchList* self, JSJitGetterCallArgs args)
27
0
{
28
0
  AUTO_PROFILER_LABEL_FAST("get TouchList.length", DOM, cx);
29
0
30
0
  uint32_t result(self->Length());
31
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
32
0
  args.rval().setNumber(result);
33
0
  return true;
34
0
}
35
36
static const JSJitInfo length_getterinfo = {
37
  { (JSJitGetterOp)get_length },
38
  { prototypes::id::TouchList },
39
  { PrototypeTraits<prototypes::id::TouchList>::Depth },
40
  JSJitInfo::Getter,
41
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
42
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
43
  true,  /* isInfallible. False in setters. */
44
  true,  /* isMovable.  Not relevant for setters. */
45
  true, /* isEliminatable.  Not relevant for setters. */
46
  false, /* isAlwaysInSlot.  Only relevant for getters. */
47
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
48
  false,  /* isTypedMethod.  Only relevant for methods. */
49
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
50
};
51
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
52
static_assert(0 < 1, "There is no slot for us");
53
54
MOZ_CAN_RUN_SCRIPT static bool
55
item(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::TouchList* self, const JSJitMethodCallArgs& args)
56
0
{
57
0
  AUTO_PROFILER_LABEL_FAST("TouchList.item", DOM, cx);
58
0
59
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
60
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "TouchList.item");
61
0
  }
62
0
  uint32_t arg0;
63
0
  if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], &arg0)) {
64
0
    return false;
65
0
  }
66
0
  auto result(StrongOrRawPtr<mozilla::dom::Touch>(self->Item(arg0)));
67
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
68
0
  if (!result) {
69
0
    args.rval().setNull();
70
0
    return true;
71
0
  }
72
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
73
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
74
0
    return false;
75
0
  }
76
0
  return true;
77
0
}
78
79
static const JSJitInfo item_methodinfo = {
80
  { (JSJitGetterOp)item },
81
  { prototypes::id::TouchList },
82
  { PrototypeTraits<prototypes::id::TouchList>::Depth },
83
  JSJitInfo::Method,
84
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
85
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
86
  false,  /* isInfallible. False in setters. */
87
  false,  /* isMovable.  Not relevant for setters. */
88
  false, /* isEliminatable.  Not relevant for setters. */
89
  false, /* isAlwaysInSlot.  Only relevant for getters. */
90
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
91
  false,  /* isTypedMethod.  Only relevant for methods. */
92
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
93
};
94
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
95
static_assert(0 < 1, "There is no slot for us");
96
97
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
98
#if defined(__clang__)
99
#pragma clang diagnostic push
100
#pragma clang diagnostic ignored "-Wmissing-braces"
101
#endif
102
static const JSFunctionSpec sMethods_specs[] = {
103
  JS_FNSPEC("item", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&item_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
104
  JS_SYM_FNSPEC(iterator, nullptr, nullptr, 0, 0, "ArrayValues"),
105
  JS_FS_END
106
};
107
#if defined(__clang__)
108
#pragma clang diagnostic pop
109
#endif
110
111
112
static const Prefable<const JSFunctionSpec> sMethods[] = {
113
  { nullptr, &sMethods_specs[0] },
114
  { nullptr, nullptr }
115
};
116
117
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
118
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
119
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
120
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
121
122
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
123
#if defined(__clang__)
124
#pragma clang diagnostic push
125
#pragma clang diagnostic ignored "-Wmissing-braces"
126
#endif
127
static const JSPropertySpec sAttributes_specs[] = {
128
  { "length", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &length_getterinfo, nullptr, nullptr },
129
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
130
};
131
#if defined(__clang__)
132
#pragma clang diagnostic pop
133
#endif
134
135
136
static const Prefable<const JSPropertySpec> sAttributes[] = {
137
  { nullptr, &sAttributes_specs[0] },
138
  { nullptr, nullptr }
139
};
140
141
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
142
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
143
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
144
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
145
146
147
static uint16_t sNativeProperties_sortedPropertyIndices[3];
148
static PropertyInfo sNativeProperties_propertyInfos[3];
149
150
static const NativePropertiesN<2> sNativeProperties = {
151
  false, 0,
152
  false, 0,
153
  true,  0 /* sMethods */,
154
  true,  1 /* sAttributes */,
155
  false, 0,
156
  false, 0,
157
  false, 0,
158
  -1,
159
  3,
160
  sNativeProperties_sortedPropertyIndices,
161
  {
162
    { sMethods, &sNativeProperties_propertyInfos[0] },
163
    { sAttributes, &sNativeProperties_propertyInfos[2] }
164
  }
165
};
166
static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
167
    "We have a property info count that is oversized");
168
169
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
170
  {
171
    "Function",
172
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
173
    &sBoringInterfaceObjectClassClassOps,
174
    JS_NULL_CLASS_SPEC,
175
    JS_NULL_CLASS_EXT,
176
    &sInterfaceObjectClassObjectOps
177
  },
178
  eInterface,
179
  true,
180
  prototypes::id::TouchList,
181
  PrototypeTraits<prototypes::id::TouchList>::Depth,
182
  sNativePropertyHooks,
183
  "function TouchList() {\n    [native code]\n}",
184
  JS::GetRealmFunctionPrototype
185
};
186
187
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
188
  {
189
    "TouchListPrototype",
190
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
191
    JS_NULL_CLASS_OPS,
192
    JS_NULL_CLASS_SPEC,
193
    JS_NULL_CLASS_EXT,
194
    JS_NULL_OBJECT_OPS
195
  },
196
  eInterfacePrototype,
197
  false,
198
  prototypes::id::TouchList,
199
  PrototypeTraits<prototypes::id::TouchList>::Depth,
200
  sNativePropertyHooks,
201
  "[object TouchListPrototype]",
202
  JS::GetRealmObjectPrototype
203
};
204
205
bool
206
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
207
0
{
208
0
  return mozilla::dom::TouchList::PrefEnabled(aCx, aObj);
209
0
}
210
211
static_assert(IsBaseOf<nsISupports, mozilla::dom::TouchList >::value,
212
                  "We don't support non-nsISupports native classes for "
213
                  "proxy-based bindings yet");
214
215
216
class DOMProxyHandler : public mozilla::dom::DOMProxyHandler
217
{
218
public:
219
  explicit constexpr DOMProxyHandler()
220
0
  {
221
0
  }
222
223
  virtual bool
224
  getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const override;
225
226
  virtual bool
227
  defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const override;
228
229
  using mozilla::dom::DOMProxyHandler::defineProperty;
230
231
  virtual bool
232
  ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const override;
233
234
  virtual bool
235
  hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override;
236
237
  virtual bool
238
  get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override;
239
240
  virtual const char*
241
  className(JSContext* cx, JS::Handle<JSObject*> proxy) const override;
242
243
  virtual bool
244
  finalizeInBackground(const JS::Value& priv) const override;
245
246
  virtual void
247
  finalize(JSFreeOp* fop, JSObject* proxy) const override;
248
249
  static const DOMProxyHandler*
250
  getInstance();
251
252
  virtual bool
253
  delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override;
254
255
  virtual bool
256
  getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const override;
257
258
  virtual size_t
259
  objectMoved(JSObject* obj, JSObject* old) const override;
260
};
261
262
MOZ_ALWAYS_INLINE bool
263
IsProxy(JSObject* obj)
264
0
{
265
0
  return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance();
266
0
}
267
268
MOZ_ALWAYS_INLINE mozilla::dom::TouchList*
269
UnwrapProxy(JSObject* obj)
270
0
{
271
0
  MOZ_ASSERT(js::IsProxy(obj));
272
0
  if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) {
273
0
    MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj));
274
0
    obj = js::UncheckedUnwrap(obj);
275
0
  }
276
0
  MOZ_ASSERT(IsProxy(obj));
277
0
  return static_cast<mozilla::dom::TouchList*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate());
278
0
}
279
280
bool
281
DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const
282
0
{
283
0
  bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
284
0
  uint32_t index = GetArrayIndexFromId(cx, id);
285
0
  if (IsArrayIndex(index)) {
286
0
    mozilla::dom::TouchList* self = UnwrapProxy(proxy);
287
0
    bool found = false;
288
0
    auto result(StrongOrRawPtr<mozilla::dom::Touch>(self->IndexedGetter(index, found)));
289
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
290
0
291
0
    if (found) {
292
0
      if (!result) {
293
0
        desc.value().setNull();
294
0
        FillPropertyDescriptor(desc, proxy, true);
295
0
        return true;
296
0
      }
297
0
      if (!GetOrCreateDOMReflector(cx, result, desc.value())) {
298
0
        MOZ_ASSERT(JS_IsExceptionPending(cx));
299
0
        return false;
300
0
      }
301
0
      FillPropertyDescriptor(desc, proxy, true);
302
0
      return true;
303
0
    }
304
0
  }
305
0
306
0
  JS::Rooted<JSObject*> expando(cx);
307
0
  if (!isXray && (expando = GetExpandoObject(proxy))) {
308
0
    if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) {
309
0
      return false;
310
0
    }
311
0
    if (desc.object()) {
312
0
      // Pretend the property lives on the wrapper.
313
0
      desc.object().set(proxy);
314
0
      return true;
315
0
    }
316
0
  }
317
0
318
0
  desc.object().set(nullptr);
319
0
  return true;
320
0
}
321
322
bool
323
DOMProxyHandler::defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const
324
0
{
325
0
  if (IsArrayIndex(GetArrayIndexFromId(cx, id))) {
326
0
    *defined = true;
327
0
    return opresult.failNoIndexedSetter();
328
0
  }
329
0
  return mozilla::dom::DOMProxyHandler::defineProperty(cx, proxy, id, desc, opresult, defined);
330
0
}
331
332
333
bool
334
DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const
335
0
{
336
0
  bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
337
0
338
0
  uint32_t length = UnwrapProxy(proxy)->Length();
339
0
  MOZ_ASSERT(int32_t(length) >= 0);
340
0
  for (int32_t i = 0; i < int32_t(length); ++i) {
341
0
    if (!props.append(INT_TO_JSID(i))) {
342
0
      return false;
343
0
    }
344
0
  }
345
0
346
0
  JS::Rooted<JSObject*> expando(cx);
347
0
  if (!isXray && (expando = DOMProxyHandler::GetExpandoObject(proxy)) &&
348
0
      !js::GetPropertyKeys(cx, expando, flags, &props)) {
349
0
    return false;
350
0
  }
351
0
352
0
  return true;
353
0
}
354
355
bool
356
DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const
357
0
{
358
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
359
0
            "Should not have a XrayWrapper here");
360
0
361
0
  uint32_t index = GetArrayIndexFromId(cx, id);
362
0
  if (IsArrayIndex(index)) {
363
0
    bool found = false;
364
0
    mozilla::dom::TouchList* self = UnwrapProxy(proxy);
365
0
    auto result(StrongOrRawPtr<mozilla::dom::Touch>(self->IndexedGetter(index, found)));
366
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
367
0
    (void)result;
368
0
369
0
    *bp = found;
370
0
    return true;
371
0
  }
372
0
373
0
374
0
  JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy));
375
0
  if (expando) {
376
0
    bool b = true;
377
0
    bool ok = JS_HasPropertyById(cx, expando, id, &b);
378
0
    *bp = !!b;
379
0
    if (!ok || *bp) {
380
0
      return ok;
381
0
    }
382
0
  }
383
0
384
0
  *bp = false;
385
0
  return true;
386
0
}
387
388
bool
389
DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const
390
0
{
391
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
392
0
              "Should not have a XrayWrapper here");
393
0
394
0
  uint32_t index = GetArrayIndexFromId(cx, id);
395
0
  if (IsArrayIndex(index)) {
396
0
    mozilla::dom::TouchList* self = UnwrapProxy(proxy);
397
0
    bool found = false;
398
0
    auto result(StrongOrRawPtr<mozilla::dom::Touch>(self->IndexedGetter(index, found)));
399
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
400
0
401
0
    if (found) {
402
0
      if (!result) {
403
0
        vp.setNull();
404
0
        return true;
405
0
      }
406
0
      if (!GetOrCreateDOMReflector(cx, result, vp)) {
407
0
        MOZ_ASSERT(JS_IsExceptionPending(cx));
408
0
        return false;
409
0
      }
410
0
      return true;
411
0
    }
412
0
    // Even if we don't have this index, we don't forward the
413
0
    // get on to our expando object.
414
0
  } else {
415
0
    { // Scope for expando
416
0
      JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
417
0
      if (expando) {
418
0
        bool hasProp;
419
0
        if (!JS_HasPropertyById(cx, expando, id, &hasProp)) {
420
0
          return false;
421
0
        }
422
0
423
0
        if (hasProp) {
424
0
          // Forward the get to the expando object, but our receiver is whatever our
425
0
          // receiver is.
426
0
          return JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp);
427
0
        }
428
0
      }
429
0
    }
430
0
  }
431
0
432
0
  bool foundOnPrototype;
433
0
  if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) {
434
0
    return false;
435
0
  }
436
0
437
0
  if (foundOnPrototype) {
438
0
    return true;
439
0
  }
440
0
441
0
  vp.setUndefined();
442
0
  return true;
443
0
}
444
445
const char*
446
DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const
447
0
{
448
0
  return "TouchList";
449
0
}
450
451
bool
452
DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const
453
0
{
454
0
  return false;
455
0
}
456
457
void
458
DOMProxyHandler::finalize(JSFreeOp* fop, JSObject* proxy) const
459
0
{
460
0
  mozilla::dom::TouchList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::TouchList>(proxy);
461
0
  if (self) {
462
0
    ClearWrapper(self, self, proxy);
463
0
    AddForDeferredFinalization<mozilla::dom::TouchList>(self);
464
0
  }
465
0
}
466
467
const DOMProxyHandler*
468
DOMProxyHandler::getInstance()
469
0
{
470
0
  static const DOMProxyHandler instance;
471
0
  return &instance;
472
0
}
473
474
bool
475
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const
476
0
{
477
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
478
0
            "Should not have a XrayWrapper here");
479
0
480
0
  uint32_t index = GetArrayIndexFromId(cx, id);
481
0
  if (IsArrayIndex(index)) {
482
0
    bool deleteSucceeded;
483
0
    bool found = false;
484
0
    mozilla::dom::TouchList* self = UnwrapProxy(proxy);
485
0
    auto result(StrongOrRawPtr<mozilla::dom::Touch>(self->IndexedGetter(index, found)));
486
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
487
0
    (void)result;
488
0
    deleteSucceeded = !found;
489
0
    return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete();
490
0
  }
491
0
492
0
  return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult);
493
0
}
494
495
bool
496
DOMProxyHandler::getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const
497
0
{
498
0
  JS::Rooted<JS::Value> temp(cx);
499
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
500
0
             "Should not have a XrayWrapper here");
501
0
502
0
  mozilla::dom::TouchList* self = UnwrapProxy(proxy);
503
0
  uint32_t length = self->Length();
504
0
  // Compute the end of the indices we'll get ourselves
505
0
  uint32_t ourEnd = std::max(begin, std::min(end, length));
506
0
507
0
  for (uint32_t index = begin; index < ourEnd; ++index) {
508
0
    bool found = false;
509
0
    auto result(StrongOrRawPtr<mozilla::dom::Touch>(self->IndexedGetter(index, found)));
510
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
511
0
512
0
    MOZ_ASSERT(found);
513
0
    if (!result) {
514
0
      temp.setNull();
515
0
      if (!adder->append(cx, temp)) return false;
516
0
      continue;
517
0
    }
518
0
    if (!GetOrCreateDOMReflector(cx, result, &temp)) {
519
0
      MOZ_ASSERT(JS_IsExceptionPending(cx));
520
0
      return false;
521
0
    }
522
0
    if (!adder->append(cx, temp)) return false;
523
0
    continue;
524
0
  }
525
0
526
0
  if (end > ourEnd) {
527
0
    JS::Rooted<JSObject*> proto(cx);
528
0
    if (!js::GetObjectProto(cx, proxy, &proto)) {
529
0
      return false;
530
0
    }
531
0
    return js::GetElementsWithAdder(cx, proto, proxy, ourEnd, end, adder);
532
0
  }
533
0
534
0
  return true;
535
0
}
536
537
size_t
538
DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const
539
0
{
540
0
  mozilla::dom::TouchList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::TouchList>(obj);
541
0
  if (self) {
542
0
    UpdateWrapper(self, self, obj, old);
543
0
  }
544
0
545
0
  return 0;
546
0
}
547
548
static const DOMJSClass sClass = {
549
  PROXY_CLASS_DEF("TouchList",
550
                  JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)),
551
  { prototypes::id::TouchList, 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 },
552
  IsBaseOf<nsISupports, mozilla::dom::TouchList >::value,
553
  sNativePropertyHooks,
554
  FindAssociatedGlobalForNative<mozilla::dom::TouchList>::Get,
555
  GetProtoObjectHandle,
556
  GetCCParticipant<mozilla::dom::TouchList>::Get()
557
};
558
559
bool
560
Wrap(JSContext* aCx, mozilla::dom::TouchList* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
561
0
{
562
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::TouchList>::value,
563
0
                "Shouldn't have wrappercached things that are not refcounted.");
564
0
  MOZ_ASSERT(static_cast<mozilla::dom::TouchList*>(aObject) ==
565
0
             reinterpret_cast<mozilla::dom::TouchList*>(aObject),
566
0
             "Multiple inheritance for mozilla::dom::TouchList is broken.");
567
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
568
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
569
0
  MOZ_ASSERT(!aCache->GetWrapper(),
570
0
             "You should probably not be using Wrap() directly; use "
571
0
             "GetOrCreateDOMReflector instead");
572
0
573
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
574
0
             "nsISupports must be on our primary inheritance chain");
575
0
576
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
577
0
  if (!global) {
578
0
    return false;
579
0
  }
580
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
581
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
582
0
583
0
  // That might have ended up wrapping us already, due to the wonders
584
0
  // of XBL.  Check for that, and bail out as needed.
585
0
  aReflector.set(aCache->GetWrapper());
586
0
  if (aReflector) {
587
#ifdef DEBUG
588
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
589
#endif // DEBUG
590
    return true;
591
0
  }
592
0
593
0
  JSAutoRealm ar(aCx, global);
594
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
595
0
  if (!canonicalProto) {
596
0
    return false;
597
0
  }
598
0
  JS::Rooted<JSObject*> proto(aCx);
599
0
  if (aGivenProto) {
600
0
    proto = aGivenProto;
601
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
602
0
    // coming in, we changed compartments to that of "parent" so may need
603
0
    // to wrap the proto here.
604
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
605
0
      if (!JS_WrapObject(aCx, &proto)) {
606
0
        return false;
607
0
      }
608
0
    }
609
0
  } else {
610
0
    proto = canonicalProto;
611
0
  }
612
0
613
0
  BindingJSObjectCreator<mozilla::dom::TouchList> creator(aCx);
614
0
  creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(),
615
0
                            proto, aObject, JS::UndefinedHandleValue, aReflector);
616
0
  if (!aReflector) {
617
0
    return false;
618
0
  }
619
0
620
0
  aCache->SetWrapper(aReflector);
621
0
  creator.InitializationSucceeded();
622
0
623
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
624
0
             aCache->GetWrapperPreserveColor() == aReflector);
625
0
  // If proto != canonicalProto, we have to preserve our wrapper;
626
0
  // otherwise we won't be able to properly recreate it later, since
627
0
  // we won't know what proto to use.  Note that we don't check
628
0
  // aGivenProto here, since it's entirely possible (and even
629
0
  // somewhat common) to have a non-null aGivenProto which is the
630
0
  // same as canonicalProto.
631
0
  if (proto != canonicalProto) {
632
0
    PreserveWrapper(aObject);
633
0
  }
634
0
635
0
  return true;
636
0
}
637
638
static bool
639
ResolveOwnProperty(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::MutableHandle<JS::PropertyDescriptor> desc)
640
0
{
641
0
  return js::GetProxyHandler(obj)->getOwnPropertyDescriptor(cx, wrapper, id, desc);
642
0
}
643
644
static bool
645
EnumerateOwnProperties(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::AutoIdVector& props)
646
0
{
647
0
  return js::GetProxyHandler(obj)->ownPropertyKeys(cx, wrapper, props);
648
0
}
649
650
const NativePropertyHooks sNativePropertyHooks[] = { {
651
  ResolveOwnProperty,
652
  EnumerateOwnProperties,
653
  nullptr,
654
  { sNativeProperties.Upcast(), nullptr },
655
  prototypes::id::TouchList,
656
  constructors::id::TouchList,
657
  nullptr,
658
  &DefaultXrayExpandoObjectClass
659
} };
660
661
void
662
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
663
0
{
664
0
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
665
0
  if (!parentProto) {
666
0
    return;
667
0
  }
668
0
669
0
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
670
0
  if (!constructorProto) {
671
0
    return;
672
0
  }
673
0
674
0
  static bool sIdsInited = false;
675
0
  if (!sIdsInited && NS_IsMainThread()) {
676
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
677
0
      return;
678
0
    }
679
0
    sIdsInited = true;
680
0
  }
681
0
682
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::TouchList);
683
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::TouchList);
684
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
685
0
                              &sPrototypeClass.mBase, protoCache,
686
0
                              nullptr,
687
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
688
0
                              interfaceCache,
689
0
                              sNativeProperties.Upcast(),
690
0
                              nullptr,
691
0
                              "TouchList", aDefineOnGlobal,
692
0
                              nullptr,
693
0
                              false);
694
0
}
695
696
JSObject*
697
GetConstructorObject(JSContext* aCx)
698
0
{
699
0
  return GetConstructorObjectHandle(aCx);
700
0
}
701
702
} // namespace TouchList_Binding
703
704
705
706
} // namespace dom
707
} // namespace mozilla