Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/MediaListBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM MediaList.webidl BY Codegen.py - DO NOT EDIT */
2
3
#include "MediaListBinding.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/MediaList.h"
10
#include "mozilla/dom/NonRefcountedDOMObject.h"
11
#include "mozilla/dom/Nullable.h"
12
#include "mozilla/dom/PrimitiveConversions.h"
13
#include "mozilla/dom/XrayExpandoClass.h"
14
15
namespace mozilla {
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namespace dom {
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18
namespace binding_detail {}; // Just to make sure it's known as a namespace
19
using namespace mozilla::dom::binding_detail;
20
21
22
namespace MediaList_Binding {
23
24
MOZ_CAN_RUN_SCRIPT static bool
25
__stringifier(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaList* self, const JSJitMethodCallArgs& args)
26
0
{
27
0
  AUTO_PROFILER_LABEL_FAST("MediaList.__stringifier", DOM, cx);
28
0
29
0
  DOMString result;
30
0
  self->Stringify(result);
31
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
32
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
33
0
    return false;
34
0
  }
35
0
  return true;
36
0
}
37
38
static const JSJitInfo __stringifier_methodinfo = {
39
  { (JSJitGetterOp)__stringifier },
40
  { prototypes::id::MediaList },
41
  { PrototypeTraits<prototypes::id::MediaList>::Depth },
42
  JSJitInfo::Method,
43
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
44
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
45
  false,  /* isInfallible. False in setters. */
46
  false,  /* isMovable.  Not relevant for setters. */
47
  false, /* isEliminatable.  Not relevant for setters. */
48
  false, /* isAlwaysInSlot.  Only relevant for getters. */
49
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
50
  false,  /* isTypedMethod.  Only relevant for methods. */
51
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
52
};
53
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
54
static_assert(0 < 1, "There is no slot for us");
55
56
MOZ_CAN_RUN_SCRIPT static bool
57
get_mediaText(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaList* self, JSJitGetterCallArgs args)
58
0
{
59
0
  AUTO_PROFILER_LABEL_FAST("get MediaList.mediaText", DOM, cx);
60
0
61
0
  DOMString result;
62
0
  self->GetMediaText(result);
63
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
64
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
65
0
    return false;
66
0
  }
67
0
  return true;
68
0
}
69
70
MOZ_CAN_RUN_SCRIPT static bool
71
set_mediaText(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaList* self, JSJitSetterCallArgs args)
72
0
{
73
0
  AUTO_PROFILER_LABEL_FAST("set MediaList.mediaText", DOM, cx);
74
0
75
0
  binding_detail::FakeString arg0;
76
0
  if (!ConvertJSValueToString(cx, args[0], eEmpty, eStringify, arg0)) {
77
0
    return false;
78
0
  }
79
0
  self->SetMediaText(NonNullHelper(Constify(arg0)));
80
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
81
0
82
0
  return true;
83
0
}
84
85
static const JSJitInfo mediaText_getterinfo = {
86
  { (JSJitGetterOp)get_mediaText },
87
  { prototypes::id::MediaList },
88
  { PrototypeTraits<prototypes::id::MediaList>::Depth },
89
  JSJitInfo::Getter,
90
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
91
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
92
  false,  /* isInfallible. False in setters. */
93
  false,  /* isMovable.  Not relevant for setters. */
94
  false, /* isEliminatable.  Not relevant for setters. */
95
  false, /* isAlwaysInSlot.  Only relevant for getters. */
96
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
97
  false,  /* isTypedMethod.  Only relevant for methods. */
98
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
99
};
100
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
101
static_assert(0 < 1, "There is no slot for us");
102
static const JSJitInfo mediaText_setterinfo = {
103
  { (JSJitGetterOp)set_mediaText },
104
  { prototypes::id::MediaList },
105
  { PrototypeTraits<prototypes::id::MediaList>::Depth },
106
  JSJitInfo::Setter,
107
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
108
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
109
  false,  /* isInfallible. False in setters. */
110
  false,  /* isMovable.  Not relevant for setters. */
111
  false, /* isEliminatable.  Not relevant for setters. */
112
  false, /* isAlwaysInSlot.  Only relevant for getters. */
113
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
114
  false,  /* isTypedMethod.  Only relevant for methods. */
115
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
116
};
117
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
118
static_assert(0 < 1, "There is no slot for us");
119
120
MOZ_CAN_RUN_SCRIPT static bool
121
get_length(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaList* self, JSJitGetterCallArgs args)
122
0
{
123
0
  AUTO_PROFILER_LABEL_FAST("get MediaList.length", DOM, cx);
124
0
125
0
  uint32_t result(self->Length());
126
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
127
0
  args.rval().setNumber(result);
128
0
  return true;
129
0
}
130
131
static const JSJitInfo length_getterinfo = {
132
  { (JSJitGetterOp)get_length },
133
  { prototypes::id::MediaList },
134
  { PrototypeTraits<prototypes::id::MediaList>::Depth },
135
  JSJitInfo::Getter,
136
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
137
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
138
  true,  /* isInfallible. False in setters. */
139
  false,  /* isMovable.  Not relevant for setters. */
140
  false, /* isEliminatable.  Not relevant for setters. */
141
  false, /* isAlwaysInSlot.  Only relevant for getters. */
142
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
143
  false,  /* isTypedMethod.  Only relevant for methods. */
144
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
145
};
146
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
147
static_assert(0 < 1, "There is no slot for us");
148
149
MOZ_CAN_RUN_SCRIPT static bool
150
item(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaList* self, const JSJitMethodCallArgs& args)
151
0
{
152
0
  AUTO_PROFILER_LABEL_FAST("MediaList.item", DOM, cx);
153
0
154
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
155
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaList.item");
156
0
  }
157
0
  uint32_t arg0;
158
0
  if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], &arg0)) {
159
0
    return false;
160
0
  }
161
0
  DOMString result;
162
0
  self->Item(arg0, result);
163
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
164
0
  if (!xpc::StringToJsval(cx, result, args.rval())) {
165
0
    return false;
166
0
  }
167
0
  return true;
168
0
}
169
170
static const JSJitInfo item_methodinfo = {
171
  { (JSJitGetterOp)item },
172
  { prototypes::id::MediaList },
173
  { PrototypeTraits<prototypes::id::MediaList>::Depth },
174
  JSJitInfo::Method,
175
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
176
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
177
  false,  /* isInfallible. False in setters. */
178
  false,  /* isMovable.  Not relevant for setters. */
179
  false, /* isEliminatable.  Not relevant for setters. */
180
  false, /* isAlwaysInSlot.  Only relevant for getters. */
181
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
182
  false,  /* isTypedMethod.  Only relevant for methods. */
183
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
184
};
185
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
186
static_assert(0 < 1, "There is no slot for us");
187
188
MOZ_CAN_RUN_SCRIPT static bool
189
deleteMedium(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaList* self, const JSJitMethodCallArgs& args)
190
0
{
191
0
  AUTO_PROFILER_LABEL_FAST("MediaList.deleteMedium", DOM, cx);
192
0
193
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
194
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaList.deleteMedium");
195
0
  }
196
0
  binding_detail::FakeString arg0;
197
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
198
0
    return false;
199
0
  }
200
0
  FastErrorResult rv;
201
0
  self->DeleteMedium(NonNullHelper(Constify(arg0)), rv);
202
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
203
0
    return false;
204
0
  }
205
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
206
0
  args.rval().setUndefined();
207
0
  return true;
208
0
}
209
210
static const JSJitInfo deleteMedium_methodinfo = {
211
  { (JSJitGetterOp)deleteMedium },
212
  { prototypes::id::MediaList },
213
  { PrototypeTraits<prototypes::id::MediaList>::Depth },
214
  JSJitInfo::Method,
215
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
216
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
217
  false,  /* isInfallible. False in setters. */
218
  false,  /* isMovable.  Not relevant for setters. */
219
  false, /* isEliminatable.  Not relevant for setters. */
220
  false, /* isAlwaysInSlot.  Only relevant for getters. */
221
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
222
  false,  /* isTypedMethod.  Only relevant for methods. */
223
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
224
};
225
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
226
static_assert(0 < 1, "There is no slot for us");
227
228
MOZ_CAN_RUN_SCRIPT static bool
229
appendMedium(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MediaList* self, const JSJitMethodCallArgs& args)
230
0
{
231
0
  AUTO_PROFILER_LABEL_FAST("MediaList.appendMedium", DOM, cx);
232
0
233
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
234
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaList.appendMedium");
235
0
  }
236
0
  binding_detail::FakeString arg0;
237
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
238
0
    return false;
239
0
  }
240
0
  FastErrorResult rv;
241
0
  self->AppendMedium(NonNullHelper(Constify(arg0)), rv);
242
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
243
0
    return false;
244
0
  }
245
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
246
0
  args.rval().setUndefined();
247
0
  return true;
248
0
}
249
250
static const JSJitInfo appendMedium_methodinfo = {
251
  { (JSJitGetterOp)appendMedium },
252
  { prototypes::id::MediaList },
253
  { PrototypeTraits<prototypes::id::MediaList>::Depth },
254
  JSJitInfo::Method,
255
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
256
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
257
  false,  /* 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
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
269
#if defined(__clang__)
270
#pragma clang diagnostic push
271
#pragma clang diagnostic ignored "-Wmissing-braces"
272
#endif
273
static const JSFunctionSpec sMethods_specs[] = {
274
  JS_FNSPEC("item", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&item_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
275
  JS_FNSPEC("deleteMedium", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&deleteMedium_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
276
  JS_FNSPEC("appendMedium", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&appendMedium_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
277
  JS_SYM_FNSPEC(iterator, nullptr, nullptr, 0, 0, "ArrayValues"),
278
  JS_FNSPEC("toString", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&__stringifier_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
279
  JS_FS_END
280
};
281
#if defined(__clang__)
282
#pragma clang diagnostic pop
283
#endif
284
285
286
static const Prefable<const JSFunctionSpec> sMethods[] = {
287
  { nullptr, &sMethods_specs[0] },
288
  { nullptr, nullptr }
289
};
290
291
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
292
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
293
static_assert(5 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
294
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
295
296
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
297
#if defined(__clang__)
298
#pragma clang diagnostic push
299
#pragma clang diagnostic ignored "-Wmissing-braces"
300
#endif
301
static const JSPropertySpec sAttributes_specs[] = {
302
  { "mediaText", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mediaText_getterinfo, GenericSetter<NormalThisPolicy>, &mediaText_setterinfo },
303
  { "length", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &length_getterinfo, nullptr, nullptr },
304
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
305
};
306
#if defined(__clang__)
307
#pragma clang diagnostic pop
308
#endif
309
310
311
static const Prefable<const JSPropertySpec> sAttributes[] = {
312
  { nullptr, &sAttributes_specs[0] },
313
  { nullptr, nullptr }
314
};
315
316
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
317
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
318
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
319
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
320
321
322
static uint16_t sNativeProperties_sortedPropertyIndices[7];
323
static PropertyInfo sNativeProperties_propertyInfos[7];
324
325
static const NativePropertiesN<2> sNativeProperties = {
326
  false, 0,
327
  false, 0,
328
  true,  0 /* sMethods */,
329
  true,  1 /* sAttributes */,
330
  false, 0,
331
  false, 0,
332
  false, 0,
333
  -1,
334
  7,
335
  sNativeProperties_sortedPropertyIndices,
336
  {
337
    { sMethods, &sNativeProperties_propertyInfos[0] },
338
    { sAttributes, &sNativeProperties_propertyInfos[5] }
339
  }
340
};
341
static_assert(7 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
342
    "We have a property info count that is oversized");
343
344
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
345
  {
346
    "Function",
347
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
348
    &sBoringInterfaceObjectClassClassOps,
349
    JS_NULL_CLASS_SPEC,
350
    JS_NULL_CLASS_EXT,
351
    &sInterfaceObjectClassObjectOps
352
  },
353
  eInterface,
354
  true,
355
  prototypes::id::MediaList,
356
  PrototypeTraits<prototypes::id::MediaList>::Depth,
357
  sNativePropertyHooks,
358
  "function MediaList() {\n    [native code]\n}",
359
  JS::GetRealmFunctionPrototype
360
};
361
362
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
363
  {
364
    "MediaListPrototype",
365
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
366
    JS_NULL_CLASS_OPS,
367
    JS_NULL_CLASS_SPEC,
368
    JS_NULL_CLASS_EXT,
369
    JS_NULL_OBJECT_OPS
370
  },
371
  eInterfacePrototype,
372
  false,
373
  prototypes::id::MediaList,
374
  PrototypeTraits<prototypes::id::MediaList>::Depth,
375
  sNativePropertyHooks,
376
  "[object MediaListPrototype]",
377
  JS::GetRealmObjectPrototype
378
};
379
380
static_assert(IsBaseOf<nsISupports, mozilla::dom::MediaList >::value,
381
                  "We don't support non-nsISupports native classes for "
382
                  "proxy-based bindings yet");
383
384
385
class DOMProxyHandler : public mozilla::dom::DOMProxyHandler
386
{
387
public:
388
  explicit constexpr DOMProxyHandler()
389
0
  {
390
0
  }
391
392
  virtual bool
393
  getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const override;
394
395
  virtual bool
396
  defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const override;
397
398
  using mozilla::dom::DOMProxyHandler::defineProperty;
399
400
  virtual bool
401
  ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const override;
402
403
  virtual bool
404
  hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override;
405
406
  virtual bool
407
  get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override;
408
409
  virtual const char*
410
  className(JSContext* cx, JS::Handle<JSObject*> proxy) const override;
411
412
  virtual bool
413
  finalizeInBackground(const JS::Value& priv) const override;
414
415
  virtual void
416
  finalize(JSFreeOp* fop, JSObject* proxy) const override;
417
418
  static const DOMProxyHandler*
419
  getInstance();
420
421
  virtual bool
422
  delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override;
423
424
  virtual bool
425
  getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const override;
426
427
  virtual size_t
428
  objectMoved(JSObject* obj, JSObject* old) const override;
429
};
430
431
MOZ_ALWAYS_INLINE bool
432
IsProxy(JSObject* obj)
433
0
{
434
0
  return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance();
435
0
}
436
437
MOZ_ALWAYS_INLINE mozilla::dom::MediaList*
438
UnwrapProxy(JSObject* obj)
439
0
{
440
0
  MOZ_ASSERT(js::IsProxy(obj));
441
0
  if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) {
442
0
    MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj));
443
0
    obj = js::UncheckedUnwrap(obj);
444
0
  }
445
0
  MOZ_ASSERT(IsProxy(obj));
446
0
  return static_cast<mozilla::dom::MediaList*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate());
447
0
}
448
449
bool
450
DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const
451
0
{
452
0
  bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
453
0
  uint32_t index = GetArrayIndexFromId(cx, id);
454
0
  if (IsArrayIndex(index)) {
455
0
    mozilla::dom::MediaList* self = UnwrapProxy(proxy);
456
0
    bool found = false;
457
0
    DOMString result;
458
0
    self->IndexedGetter(index, found, result);
459
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
460
0
461
0
    if (found) {
462
0
      if (!xpc::StringToJsval(cx, result, desc.value())) {
463
0
        return false;
464
0
      }
465
0
      FillPropertyDescriptor(desc, proxy, true);
466
0
      return true;
467
0
    }
468
0
  }
469
0
470
0
  JS::Rooted<JSObject*> expando(cx);
471
0
  if (!isXray && (expando = GetExpandoObject(proxy))) {
472
0
    if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) {
473
0
      return false;
474
0
    }
475
0
    if (desc.object()) {
476
0
      // Pretend the property lives on the wrapper.
477
0
      desc.object().set(proxy);
478
0
      return true;
479
0
    }
480
0
  }
481
0
482
0
  desc.object().set(nullptr);
483
0
  return true;
484
0
}
485
486
bool
487
DOMProxyHandler::defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const
488
0
{
489
0
  if (IsArrayIndex(GetArrayIndexFromId(cx, id))) {
490
0
    *defined = true;
491
0
    return opresult.failNoIndexedSetter();
492
0
  }
493
0
  return mozilla::dom::DOMProxyHandler::defineProperty(cx, proxy, id, desc, opresult, defined);
494
0
}
495
496
497
bool
498
DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const
499
0
{
500
0
  bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
501
0
502
0
  uint32_t length = UnwrapProxy(proxy)->Length();
503
0
  MOZ_ASSERT(int32_t(length) >= 0);
504
0
  for (int32_t i = 0; i < int32_t(length); ++i) {
505
0
    if (!props.append(INT_TO_JSID(i))) {
506
0
      return false;
507
0
    }
508
0
  }
509
0
510
0
  JS::Rooted<JSObject*> expando(cx);
511
0
  if (!isXray && (expando = DOMProxyHandler::GetExpandoObject(proxy)) &&
512
0
      !js::GetPropertyKeys(cx, expando, flags, &props)) {
513
0
    return false;
514
0
  }
515
0
516
0
  return true;
517
0
}
518
519
bool
520
DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const
521
0
{
522
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
523
0
            "Should not have a XrayWrapper here");
524
0
525
0
  uint32_t index = GetArrayIndexFromId(cx, id);
526
0
  if (IsArrayIndex(index)) {
527
0
    bool found = false;
528
0
    mozilla::dom::MediaList* self = UnwrapProxy(proxy);
529
0
    DOMString result;
530
0
    self->IndexedGetter(index, found, result);
531
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
532
0
    (void)result;
533
0
534
0
    *bp = found;
535
0
    return true;
536
0
  }
537
0
538
0
539
0
  JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy));
540
0
  if (expando) {
541
0
    bool b = true;
542
0
    bool ok = JS_HasPropertyById(cx, expando, id, &b);
543
0
    *bp = !!b;
544
0
    if (!ok || *bp) {
545
0
      return ok;
546
0
    }
547
0
  }
548
0
549
0
  *bp = false;
550
0
  return true;
551
0
}
552
553
bool
554
DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const
555
0
{
556
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
557
0
              "Should not have a XrayWrapper here");
558
0
559
0
  uint32_t index = GetArrayIndexFromId(cx, id);
560
0
  if (IsArrayIndex(index)) {
561
0
    mozilla::dom::MediaList* self = UnwrapProxy(proxy);
562
0
    bool found = false;
563
0
    DOMString result;
564
0
    self->IndexedGetter(index, found, result);
565
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
566
0
567
0
    if (found) {
568
0
      if (!xpc::StringToJsval(cx, result, vp)) {
569
0
        return false;
570
0
      }
571
0
      return true;
572
0
    }
573
0
    // Even if we don't have this index, we don't forward the
574
0
    // get on to our expando object.
575
0
  } else {
576
0
    { // Scope for expando
577
0
      JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
578
0
      if (expando) {
579
0
        bool hasProp;
580
0
        if (!JS_HasPropertyById(cx, expando, id, &hasProp)) {
581
0
          return false;
582
0
        }
583
0
584
0
        if (hasProp) {
585
0
          // Forward the get to the expando object, but our receiver is whatever our
586
0
          // receiver is.
587
0
          return JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp);
588
0
        }
589
0
      }
590
0
    }
591
0
  }
592
0
593
0
  bool foundOnPrototype;
594
0
  if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) {
595
0
    return false;
596
0
  }
597
0
598
0
  if (foundOnPrototype) {
599
0
    return true;
600
0
  }
601
0
602
0
  vp.setUndefined();
603
0
  return true;
604
0
}
605
606
const char*
607
DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const
608
0
{
609
0
  return "MediaList";
610
0
}
611
612
bool
613
DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const
614
0
{
615
0
  return false;
616
0
}
617
618
void
619
DOMProxyHandler::finalize(JSFreeOp* fop, JSObject* proxy) const
620
0
{
621
0
  mozilla::dom::MediaList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MediaList>(proxy);
622
0
  if (self) {
623
0
    ClearWrapper(self, self, proxy);
624
0
    AddForDeferredFinalization<mozilla::dom::MediaList>(self);
625
0
  }
626
0
}
627
628
const DOMProxyHandler*
629
DOMProxyHandler::getInstance()
630
0
{
631
0
  static const DOMProxyHandler instance;
632
0
  return &instance;
633
0
}
634
635
bool
636
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const
637
0
{
638
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
639
0
            "Should not have a XrayWrapper here");
640
0
641
0
  uint32_t index = GetArrayIndexFromId(cx, id);
642
0
  if (IsArrayIndex(index)) {
643
0
    bool deleteSucceeded;
644
0
    bool found = false;
645
0
    mozilla::dom::MediaList* self = UnwrapProxy(proxy);
646
0
    DOMString result;
647
0
    self->IndexedGetter(index, found, result);
648
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
649
0
    (void)result;
650
0
    deleteSucceeded = !found;
651
0
    return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete();
652
0
  }
653
0
654
0
  return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult);
655
0
}
656
657
bool
658
DOMProxyHandler::getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const
659
0
{
660
0
  JS::Rooted<JS::Value> temp(cx);
661
0
  MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
662
0
             "Should not have a XrayWrapper here");
663
0
664
0
  mozilla::dom::MediaList* self = UnwrapProxy(proxy);
665
0
  uint32_t length = self->Length();
666
0
  // Compute the end of the indices we'll get ourselves
667
0
  uint32_t ourEnd = std::max(begin, std::min(end, length));
668
0
669
0
  for (uint32_t index = begin; index < ourEnd; ++index) {
670
0
    bool found = false;
671
0
    DOMString result;
672
0
    self->IndexedGetter(index, found, result);
673
0
    MOZ_ASSERT(!JS_IsExceptionPending(cx));
674
0
675
0
    MOZ_ASSERT(found);
676
0
    if (!xpc::StringToJsval(cx, result, &temp)) {
677
0
      return false;
678
0
    }
679
0
    if (!adder->append(cx, temp)) return false;
680
0
    continue;
681
0
  }
682
0
683
0
  if (end > ourEnd) {
684
0
    JS::Rooted<JSObject*> proto(cx);
685
0
    if (!js::GetObjectProto(cx, proxy, &proto)) {
686
0
      return false;
687
0
    }
688
0
    return js::GetElementsWithAdder(cx, proto, proxy, ourEnd, end, adder);
689
0
  }
690
0
691
0
  return true;
692
0
}
693
694
size_t
695
DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const
696
0
{
697
0
  mozilla::dom::MediaList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MediaList>(obj);
698
0
  if (self) {
699
0
    UpdateWrapper(self, self, obj, old);
700
0
  }
701
0
702
0
  return 0;
703
0
}
704
705
static const DOMJSClass sClass = {
706
  PROXY_CLASS_DEF("MediaList",
707
                  JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)),
708
  { prototypes::id::MediaList, 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 },
709
  IsBaseOf<nsISupports, mozilla::dom::MediaList >::value,
710
  sNativePropertyHooks,
711
  FindAssociatedGlobalForNative<mozilla::dom::MediaList>::Get,
712
  GetProtoObjectHandle,
713
  GetCCParticipant<mozilla::dom::MediaList>::Get()
714
};
715
716
bool
717
Wrap(JSContext* aCx, mozilla::dom::MediaList* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
718
0
{
719
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::MediaList>::value,
720
0
                "Shouldn't have wrappercached things that are not refcounted.");
721
0
  MOZ_ASSERT(static_cast<mozilla::dom::MediaList*>(aObject) ==
722
0
             reinterpret_cast<mozilla::dom::MediaList*>(aObject),
723
0
             "Multiple inheritance for mozilla::dom::MediaList is broken.");
724
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
725
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
726
0
  MOZ_ASSERT(!aCache->GetWrapper(),
727
0
             "You should probably not be using Wrap() directly; use "
728
0
             "GetOrCreateDOMReflector instead");
729
0
730
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
731
0
             "nsISupports must be on our primary inheritance chain");
732
0
733
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
734
0
  if (!global) {
735
0
    return false;
736
0
  }
737
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
738
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
739
0
740
0
  // That might have ended up wrapping us already, due to the wonders
741
0
  // of XBL.  Check for that, and bail out as needed.
742
0
  aReflector.set(aCache->GetWrapper());
743
0
  if (aReflector) {
744
#ifdef DEBUG
745
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
746
#endif // DEBUG
747
    return true;
748
0
  }
749
0
750
0
  JSAutoRealm ar(aCx, global);
751
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
752
0
  if (!canonicalProto) {
753
0
    return false;
754
0
  }
755
0
  JS::Rooted<JSObject*> proto(aCx);
756
0
  if (aGivenProto) {
757
0
    proto = aGivenProto;
758
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
759
0
    // coming in, we changed compartments to that of "parent" so may need
760
0
    // to wrap the proto here.
761
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
762
0
      if (!JS_WrapObject(aCx, &proto)) {
763
0
        return false;
764
0
      }
765
0
    }
766
0
  } else {
767
0
    proto = canonicalProto;
768
0
  }
769
0
770
0
  BindingJSObjectCreator<mozilla::dom::MediaList> creator(aCx);
771
0
  creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(),
772
0
                            proto, aObject, JS::UndefinedHandleValue, aReflector);
773
0
  if (!aReflector) {
774
0
    return false;
775
0
  }
776
0
777
0
  aCache->SetWrapper(aReflector);
778
0
  creator.InitializationSucceeded();
779
0
780
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
781
0
             aCache->GetWrapperPreserveColor() == aReflector);
782
0
  // If proto != canonicalProto, we have to preserve our wrapper;
783
0
  // otherwise we won't be able to properly recreate it later, since
784
0
  // we won't know what proto to use.  Note that we don't check
785
0
  // aGivenProto here, since it's entirely possible (and even
786
0
  // somewhat common) to have a non-null aGivenProto which is the
787
0
  // same as canonicalProto.
788
0
  if (proto != canonicalProto) {
789
0
    PreserveWrapper(aObject);
790
0
  }
791
0
792
0
  return true;
793
0
}
794
795
static bool
796
ResolveOwnProperty(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::MutableHandle<JS::PropertyDescriptor> desc)
797
0
{
798
0
  return js::GetProxyHandler(obj)->getOwnPropertyDescriptor(cx, wrapper, id, desc);
799
0
}
800
801
static bool
802
EnumerateOwnProperties(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::AutoIdVector& props)
803
0
{
804
0
  return js::GetProxyHandler(obj)->ownPropertyKeys(cx, wrapper, props);
805
0
}
806
807
const NativePropertyHooks sNativePropertyHooks[] = { {
808
  ResolveOwnProperty,
809
  EnumerateOwnProperties,
810
  nullptr,
811
  { sNativeProperties.Upcast(), nullptr },
812
  prototypes::id::MediaList,
813
  constructors::id::MediaList,
814
  nullptr,
815
  &DefaultXrayExpandoObjectClass
816
} };
817
818
void
819
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
820
0
{
821
0
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
822
0
  if (!parentProto) {
823
0
    return;
824
0
  }
825
0
826
0
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
827
0
  if (!constructorProto) {
828
0
    return;
829
0
  }
830
0
831
0
  static bool sIdsInited = false;
832
0
  if (!sIdsInited && NS_IsMainThread()) {
833
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
834
0
      return;
835
0
    }
836
0
    sIdsInited = true;
837
0
  }
838
0
839
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MediaList);
840
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MediaList);
841
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
842
0
                              &sPrototypeClass.mBase, protoCache,
843
0
                              nullptr,
844
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
845
0
                              interfaceCache,
846
0
                              sNativeProperties.Upcast(),
847
0
                              nullptr,
848
0
                              "MediaList", aDefineOnGlobal,
849
0
                              nullptr,
850
0
                              false);
851
0
}
852
853
JSObject*
854
GetConstructorObject(JSContext* aCx)
855
0
{
856
0
  return GetConstructorObjectHandle(aCx);
857
0
}
858
859
} // namespace MediaList_Binding
860
861
862
863
} // namespace dom
864
} // namespace mozilla