LCOV - code coverage report
Current view: top level - obj-x86_64-pc-linux-gnu/dom/bindings - RTCSessionDescriptionBinding.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 528 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 52 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* THIS FILE IS AUTOGENERATED FROM RTCSessionDescription.webidl BY Codegen.py - DO NOT EDIT */
       2             : 
       3             : #include "AtomList.h"
       4             : #include "RTCSessionDescriptionBinding.h"
       5             : #include "WrapperFactory.h"
       6             : #include "jsapi.h"
       7             : #include "mozilla/OwningNonNull.h"
       8             : #include "mozilla/Preferences.h"
       9             : #include "mozilla/dom/BindingUtils.h"
      10             : #include "mozilla/dom/DOMJSClass.h"
      11             : #include "mozilla/dom/NonRefcountedDOMObject.h"
      12             : #include "mozilla/dom/ScriptSettings.h"
      13             : #include "mozilla/dom/SimpleGlobalObject.h"
      14             : #include "mozilla/dom/XrayExpandoClass.h"
      15             : #include "nsContentUtils.h"
      16             : #include "nsIGlobalObject.h"
      17             : 
      18             : namespace mozilla {
      19             : namespace dom {
      20             : 
      21             : namespace RTCSdpTypeValues {
      22             : extern const EnumEntry strings[5] = {
      23             :   {"offer", 5},
      24             :   {"pranswer", 8},
      25             :   {"answer", 6},
      26             :   {"rollback", 8},
      27             :   { nullptr, 0 }
      28             : };
      29             : } // namespace RTCSdpTypeValues
      30             : 
      31             : bool
      32           0 : ToJSValue(JSContext* aCx, RTCSdpType aArgument, JS::MutableHandle<JS::Value> aValue)
      33             : {
      34           0 :   MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(RTCSdpTypeValues::strings));
      35             :   JSString* resultStr =
      36           0 :     JS_NewStringCopyN(aCx, RTCSdpTypeValues::strings[uint32_t(aArgument)].value,
      37           0 :                       RTCSdpTypeValues::strings[uint32_t(aArgument)].length);
      38           0 :   if (!resultStr) {
      39           0 :     return false;
      40             :   }
      41           0 :   aValue.setString(resultStr);
      42           0 :   return true;
      43             : }
      44             : 
      45             : 
      46             : 
      47           0 : RTCSessionDescriptionInit::RTCSessionDescriptionInit()
      48             : {
      49             :   // Safe to pass a null context if we pass a null value
      50           0 :   Init(nullptr, JS::NullHandleValue);
      51           0 : }
      52             : 
      53             : 
      54             : 
      55             : bool
      56           0 : RTCSessionDescriptionInit::InitIds(JSContext* cx, RTCSessionDescriptionInitAtoms* atomsCache)
      57             : {
      58           0 :   MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
      59             : 
      60             :   // Initialize these in reverse order so that any failure leaves the first one
      61             :   // uninitialized.
      62           0 :   if (!atomsCache->type_id.init(cx, "type") ||
      63           0 :       !atomsCache->sdp_id.init(cx, "sdp")) {
      64           0 :     return false;
      65             :   }
      66           0 :   return true;
      67             : }
      68             : 
      69             : bool
      70           0 : RTCSessionDescriptionInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
      71             : {
      72             :   // Passing a null JSContext is OK only if we're initing from null,
      73             :   // Since in that case we will not have to do any property gets
      74             :   // Also evaluate isNullOrUndefined in order to avoid false-positive
      75             :   // checkers by static analysis tools
      76           0 :   MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
      77           0 :   RTCSessionDescriptionInitAtoms* atomsCache = nullptr;
      78           0 :   if (cx) {
      79           0 :     atomsCache = GetAtomCache<RTCSessionDescriptionInitAtoms>(cx);
      80           0 :     if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      81           0 :       return false;
      82             :     }
      83             :   }
      84             : 
      85           0 :   if (!IsConvertibleToDictionary(val)) {
      86           0 :     return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
      87             :   }
      88             : 
      89           0 :   bool isNull = val.isNullOrUndefined();
      90             :   // We only need these if !isNull, in which case we have |cx|.
      91           0 :   Maybe<JS::Rooted<JSObject *> > object;
      92           0 :   Maybe<JS::Rooted<JS::Value> > temp;
      93           0 :   if (!isNull) {
      94           0 :     MOZ_ASSERT(cx);
      95           0 :     object.emplace(cx, &val.toObject());
      96           0 :     temp.emplace(cx);
      97             :   }
      98           0 :   if (!isNull) {
      99           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->sdp_id, temp.ptr())) {
     100           0 :       return false;
     101             :     }
     102             :   }
     103           0 :   if (!isNull && !temp->isUndefined()) {
     104           0 :     if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mSdp)) {
     105           0 :       return false;
     106             :     }
     107             :   } else {
     108             :     static const char16_t data[] = { 0 };
     109           0 :     mSdp.Rebind(data, ArrayLength(data) - 1);
     110             :   }
     111           0 :   mIsAnyMemberPresent = true;
     112             : 
     113           0 :   if (!isNull) {
     114           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->type_id, temp.ptr())) {
     115           0 :       return false;
     116             :     }
     117             :   }
     118           0 :   if (!isNull && !temp->isUndefined()) {
     119             :     {
     120             :       int index;
     121           0 :       if (!FindEnumStringIndex<true>(cx, temp.ref(), RTCSdpTypeValues::strings, "RTCSdpType", "'type' member of RTCSessionDescriptionInit", &index)) {
     122           0 :         return false;
     123             :       }
     124           0 :       MOZ_ASSERT(index >= 0);
     125           0 :       mType = static_cast<RTCSdpType>(index);
     126             :     }
     127           0 :     mIsAnyMemberPresent = true;
     128           0 :   } else if (cx) {
     129             :     // Don't error out if we have no cx.  In that
     130             :     // situation the caller is default-constructing us and we'll
     131             :     // just assume they know what they're doing.
     132           0 :     return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
     133           0 :                              "'type' member of RTCSessionDescriptionInit");
     134             :   }
     135           0 :   return true;
     136             : }
     137             : 
     138             : bool
     139           0 : RTCSessionDescriptionInit::Init(const nsAString& aJSON)
     140             : {
     141           0 :   AutoJSAPI jsapi;
     142           0 :   JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
     143           0 :   if (!cleanGlobal) {
     144           0 :     return false;
     145             :   }
     146           0 :   if (!jsapi.Init(cleanGlobal)) {
     147           0 :     return false;
     148             :   }
     149           0 :   JSContext* cx = jsapi.cx();
     150           0 :   JS::Rooted<JS::Value> json(cx);
     151           0 :   bool ok = ParseJSON(cx, aJSON, &json);
     152           0 :   NS_ENSURE_TRUE(ok, false);
     153           0 :   return Init(cx, json);
     154             : }
     155             : 
     156             : bool
     157           0 : RTCSessionDescriptionInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
     158             : {
     159           0 :   RTCSessionDescriptionInitAtoms* atomsCache = GetAtomCache<RTCSessionDescriptionInitAtoms>(cx);
     160           0 :   if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
     161           0 :     return false;
     162             :   }
     163             : 
     164           0 :   JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
     165           0 :   if (!obj) {
     166           0 :     return false;
     167             :   }
     168           0 :   rval.set(JS::ObjectValue(*obj));
     169             : 
     170             :   do {
     171             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     172           0 :     JS::Rooted<JS::Value> temp(cx);
     173           0 :     nsString const & currentValue = mSdp;
     174           0 :     if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
     175           0 :       return false;
     176             :     }
     177           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->sdp_id, temp, JSPROP_ENUMERATE)) {
     178           0 :       return false;
     179             :     }
     180           0 :     break;
     181             :   } while(0);
     182             : 
     183             :   do {
     184             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     185           0 :     JS::Rooted<JS::Value> temp(cx);
     186           0 :     RTCSdpType const & currentValue = mType;
     187           0 :     if (!ToJSValue(cx, currentValue, &temp)) {
     188           0 :       return false;
     189             :     }
     190           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->type_id, temp, JSPROP_ENUMERATE)) {
     191           0 :       return false;
     192             :     }
     193           0 :     break;
     194             :   } while(0);
     195             : 
     196           0 :   return true;
     197             : }
     198             : 
     199             : bool
     200           0 : RTCSessionDescriptionInit::ToJSON(nsAString& aJSON) const
     201             : {
     202           0 :   AutoJSAPI jsapi;
     203           0 :   jsapi.Init();
     204           0 :   JSContext *cx = jsapi.cx();
     205             :   // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
     206             :   // because we'll only be creating objects, in ways that have no
     207             :   // side-effects, followed by a call to JS::ToJSONMaybeSafely,
     208             :   // which likewise guarantees no side-effects for the sorts of
     209             :   // things we will pass it.
     210           0 :   JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
     211           0 :   JS::Rooted<JS::Value> val(cx);
     212           0 :   if (!ToObjectInternal(cx, &val)) {
     213           0 :     return false;
     214             :   }
     215           0 :   JS::Rooted<JSObject*> obj(cx, &val.toObject());
     216           0 :   return StringifyToJSON(cx, obj, aJSON);
     217             : }
     218             : 
     219             : void
     220           0 : RTCSessionDescriptionInit::TraceDictionary(JSTracer* trc)
     221             : {
     222           0 : }
     223             : 
     224             : RTCSessionDescriptionInit&
     225           0 : RTCSessionDescriptionInit::operator=(const RTCSessionDescriptionInit& aOther)
     226             : {
     227           0 :   mSdp = aOther.mSdp;
     228           0 :   mType = aOther.mType;
     229           0 :   return *this;
     230             : }
     231             : 
     232             : namespace binding_detail {
     233             : } // namespace binding_detail
     234             : 
     235             : 
     236             : namespace RTCSessionDescriptionBinding {
     237             : 
     238             : static bool
     239           0 : get_type(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCSessionDescription* self, JSJitGetterCallArgs args)
     240             : {
     241           0 :   Maybe<JS::Rooted<JSObject*> > unwrappedObj;
     242           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     243           0 :   if (objIsXray) {
     244           0 :     unwrappedObj.emplace(cx, obj);
     245             :   }
     246           0 :   if (objIsXray) {
     247           0 :     unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
     248           0 :     if (!unwrappedObj.ref()) {
     249           0 :       return false;
     250             :     }
     251             :   }
     252           0 :   binding_detail::FastErrorResult rv;
     253           0 :   RTCSdpType result(self->GetType(rv, js::GetObjectCompartment(unwrappedObj ? *unwrappedObj : obj)));
     254           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     255           0 :     return false;
     256             :   }
     257           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     258           0 :   if (!ToJSValue(cx, result, args.rval())) {
     259           0 :     return false;
     260             :   }
     261           0 :   return true;
     262             : }
     263             : 
     264             : static bool
     265           0 : set_type(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCSessionDescription* self, JSJitSetterCallArgs args)
     266             : {
     267           0 :   Maybe<JS::Rooted<JSObject*> > unwrappedObj;
     268           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     269           0 :   if (objIsXray) {
     270           0 :     unwrappedObj.emplace(cx, obj);
     271             :   }
     272             :   RTCSdpType arg0;
     273             :   {
     274             :     int index;
     275           0 :     if (!FindEnumStringIndex<false>(cx, args[0], RTCSdpTypeValues::strings, "RTCSdpType", "Value being assigned to RTCSessionDescription.type", &index)) {
     276           0 :       return false;
     277             :     }
     278           0 :     if (index < 0) {
     279           0 :       return true;
     280             :     }
     281           0 :     arg0 = static_cast<RTCSdpType>(index);
     282             :   }
     283           0 :   if (objIsXray) {
     284           0 :     unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
     285           0 :     if (!unwrappedObj.ref()) {
     286           0 :       return false;
     287             :     }
     288             :   }
     289           0 :   binding_detail::FastErrorResult rv;
     290           0 :   self->SetType(arg0, rv, js::GetObjectCompartment(unwrappedObj ? *unwrappedObj : obj));
     291           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     292           0 :     return false;
     293             :   }
     294           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     295             : 
     296           0 :   return true;
     297             : }
     298             : 
     299             : static const JSJitInfo type_getterinfo = {
     300             :   { (JSJitGetterOp)get_type },
     301             :   { prototypes::id::RTCSessionDescription },
     302             :   { PrototypeTraits<prototypes::id::RTCSessionDescription>::Depth },
     303             :   JSJitInfo::Getter,
     304             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     305             :   JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
     306             :   false,  /* isInfallible. False in setters. */
     307             :   false,  /* isMovable.  Not relevant for setters. */
     308             :   false, /* isEliminatable.  Not relevant for setters. */
     309             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     310             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     311             :   false,  /* isTypedMethod.  Only relevant for methods. */
     312             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     313             : };
     314             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     315             : static_assert(0 < 1, "There is no slot for us");
     316             : static const JSJitInfo type_setterinfo = {
     317             :   { (JSJitGetterOp)set_type },
     318             :   { prototypes::id::RTCSessionDescription },
     319             :   { PrototypeTraits<prototypes::id::RTCSessionDescription>::Depth },
     320             :   JSJitInfo::Setter,
     321             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     322             :   JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
     323             :   false,  /* isInfallible. False in setters. */
     324             :   false,  /* isMovable.  Not relevant for setters. */
     325             :   false, /* isEliminatable.  Not relevant for setters. */
     326             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     327             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     328             :   false,  /* isTypedMethod.  Only relevant for methods. */
     329             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     330             : };
     331             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     332             : static_assert(0 < 1, "There is no slot for us");
     333             : 
     334             : static bool
     335           0 : get_sdp(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCSessionDescription* self, JSJitGetterCallArgs args)
     336             : {
     337           0 :   Maybe<JS::Rooted<JSObject*> > unwrappedObj;
     338           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     339           0 :   if (objIsXray) {
     340           0 :     unwrappedObj.emplace(cx, obj);
     341             :   }
     342           0 :   if (objIsXray) {
     343           0 :     unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
     344           0 :     if (!unwrappedObj.ref()) {
     345           0 :       return false;
     346             :     }
     347             :   }
     348           0 :   binding_detail::FastErrorResult rv;
     349           0 :   DOMString result;
     350           0 :   self->GetSdp(result, rv, js::GetObjectCompartment(unwrappedObj ? *unwrappedObj : obj));
     351           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     352           0 :     return false;
     353             :   }
     354           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     355           0 :   if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
     356           0 :     return false;
     357             :   }
     358           0 :   return true;
     359             : }
     360             : 
     361             : static bool
     362           0 : set_sdp(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCSessionDescription* self, JSJitSetterCallArgs args)
     363             : {
     364           0 :   Maybe<JS::Rooted<JSObject*> > unwrappedObj;
     365           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     366           0 :   if (objIsXray) {
     367           0 :     unwrappedObj.emplace(cx, obj);
     368             :   }
     369           0 :   binding_detail::FakeString arg0;
     370           0 :   if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
     371           0 :     return false;
     372             :   }
     373           0 :   if (objIsXray) {
     374           0 :     unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
     375           0 :     if (!unwrappedObj.ref()) {
     376           0 :       return false;
     377             :     }
     378             :   }
     379           0 :   binding_detail::FastErrorResult rv;
     380           0 :   self->SetSdp(NonNullHelper(Constify(arg0)), rv, js::GetObjectCompartment(unwrappedObj ? *unwrappedObj : obj));
     381           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     382           0 :     return false;
     383             :   }
     384           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     385             : 
     386           0 :   return true;
     387             : }
     388             : 
     389             : static const JSJitInfo sdp_getterinfo = {
     390             :   { (JSJitGetterOp)get_sdp },
     391             :   { prototypes::id::RTCSessionDescription },
     392             :   { PrototypeTraits<prototypes::id::RTCSessionDescription>::Depth },
     393             :   JSJitInfo::Getter,
     394             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     395             :   JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
     396             :   false,  /* isInfallible. False in setters. */
     397             :   false,  /* isMovable.  Not relevant for setters. */
     398             :   false, /* isEliminatable.  Not relevant for setters. */
     399             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     400             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     401             :   false,  /* isTypedMethod.  Only relevant for methods. */
     402             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     403             : };
     404             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     405             : static_assert(0 < 1, "There is no slot for us");
     406             : static const JSJitInfo sdp_setterinfo = {
     407             :   { (JSJitGetterOp)set_sdp },
     408             :   { prototypes::id::RTCSessionDescription },
     409             :   { PrototypeTraits<prototypes::id::RTCSessionDescription>::Depth },
     410             :   JSJitInfo::Setter,
     411             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     412             :   JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
     413             :   false,  /* isInfallible. False in setters. */
     414             :   false,  /* isMovable.  Not relevant for setters. */
     415             :   false, /* isEliminatable.  Not relevant for setters. */
     416             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     417             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     418             :   false,  /* isTypedMethod.  Only relevant for methods. */
     419             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     420             : };
     421             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     422             : static_assert(0 < 1, "There is no slot for us");
     423             : 
     424             : bool
     425           0 : JsonifyAttributes(JSContext* aCx, JS::Handle<JSObject*> obj, mozilla::dom::RTCSessionDescription* self, JS::Rooted<JSObject*>& aResult)
     426             : {
     427             :   { // scope for "temp"
     428           0 :     JS::Rooted<JS::Value> temp(aCx);
     429           0 :     if (!get_type(aCx, obj, self, JSJitGetterCallArgs(&temp))) {
     430           0 :       return false;
     431             :     }
     432           0 :     if (!JS_DefineProperty(aCx, aResult, "type", temp, JSPROP_ENUMERATE)) {
     433           0 :       return false;
     434             :     }
     435             :   }
     436             :   { // scope for "temp"
     437           0 :     JS::Rooted<JS::Value> temp(aCx);
     438           0 :     if (!get_sdp(aCx, obj, self, JSJitGetterCallArgs(&temp))) {
     439           0 :       return false;
     440             :     }
     441           0 :     if (!JS_DefineProperty(aCx, aResult, "sdp", temp, JSPROP_ENUMERATE)) {
     442           0 :       return false;
     443             :     }
     444             :   }
     445           0 :   return true;
     446             : }
     447             : 
     448             : static bool
     449           0 : __jsonifier(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCSessionDescription* self, const JSJitMethodCallArgs& args)
     450             : {
     451           0 :   JS::Rooted<JSObject*> result(cx, JS_NewPlainObject(cx));
     452           0 :   if (!result) {
     453           0 :     return false;
     454             :   }
     455           0 :   if (!RTCSessionDescriptionBinding::JsonifyAttributes(cx, obj, self, result)) {
     456           0 :     return false;
     457             :   }
     458           0 :   args.rval().setObject(*result);
     459           0 :   return true;
     460             : }
     461             : 
     462             : static const JSJitInfo __jsonifier_methodinfo = {
     463             :   { (JSJitGetterOp)__jsonifier },
     464             :   { prototypes::id::RTCSessionDescription },
     465             :   { PrototypeTraits<prototypes::id::RTCSessionDescription>::Depth },
     466             :   JSJitInfo::Method,
     467             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     468             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
     469             :   false,  /* isInfallible. False in setters. */
     470             :   false,  /* isMovable.  Not relevant for setters. */
     471             :   false, /* isEliminatable.  Not relevant for setters. */
     472             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     473             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     474             :   false,  /* isTypedMethod.  Only relevant for methods. */
     475             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     476             : };
     477             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     478             : static_assert(0 < 1, "There is no slot for us");
     479             : 
     480             : static bool
     481           0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
     482             : {
     483           0 :   mozilla::dom::RTCSessionDescription* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCSessionDescription>(obj);
     484             :   // We don't want to preserve if we don't have a wrapper, and we
     485             :   // obviously can't preserve if we're not initialized.
     486           0 :   if (self && self->GetWrapperPreserveColor()) {
     487           0 :     PreserveWrapper(self);
     488             :   }
     489           0 :   return true;
     490             : }
     491             : 
     492             : static void
     493           0 : _finalize(js::FreeOp* fop, JSObject* obj)
     494             : {
     495           0 :   mozilla::dom::RTCSessionDescription* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCSessionDescription>(obj);
     496           0 :   if (self) {
     497           0 :     ClearWrapper(self, self, obj);
     498           0 :     AddForDeferredFinalization<mozilla::dom::RTCSessionDescription>(self);
     499             :   }
     500           0 : }
     501             : 
     502             : static void
     503           0 : _objectMoved(JSObject* obj, const JSObject* old)
     504             : {
     505           0 :   mozilla::dom::RTCSessionDescription* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCSessionDescription>(obj);
     506           0 :   if (self) {
     507           0 :     UpdateWrapper(self, self, obj, old);
     508             :   }
     509           0 : }
     510             : 
     511             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     512             : #if defined(__clang__)
     513             : #pragma clang diagnostic push
     514             : #pragma clang diagnostic ignored "-Wmissing-braces"
     515             : #endif
     516             : static const JSFunctionSpec sChromeStaticMethods_specs[] = {
     517             :   JS_FNSPEC("_create", RTCSessionDescription::_Create, nullptr, 2, 0, nullptr),
     518             :   JS_FS_END
     519             : };
     520             : #if defined(__clang__)
     521             : #pragma clang diagnostic pop
     522             : #endif
     523             : 
     524             : 
     525             : // Can't be const because the pref-enabled boolean needs to be writable
     526             : static Prefable<const JSFunctionSpec> sChromeStaticMethods[] = {
     527             :   { nullptr, &sChromeStaticMethods_specs[0] },
     528             :   { nullptr, nullptr }
     529             : };
     530             : 
     531             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     532             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     533             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     534             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     535             : 
     536             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     537             : #if defined(__clang__)
     538             : #pragma clang diagnostic push
     539             : #pragma clang diagnostic ignored "-Wmissing-braces"
     540             : #endif
     541             : static const JSFunctionSpec sMethods_specs[] = {
     542             :   JS_FNSPEC("toJSON", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&__jsonifier_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
     543             :   JS_FS_END
     544             : };
     545             : #if defined(__clang__)
     546             : #pragma clang diagnostic pop
     547             : #endif
     548             : 
     549             : 
     550             : // Can't be const because the pref-enabled boolean needs to be writable
     551             : static Prefable<const JSFunctionSpec> sMethods[] = {
     552             :   { nullptr, &sMethods_specs[0] },
     553             :   { nullptr, nullptr }
     554             : };
     555             : 
     556             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     557             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     558             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     559             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     560             : 
     561             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     562             : #if defined(__clang__)
     563             : #pragma clang diagnostic push
     564             : #pragma clang diagnostic ignored "-Wmissing-braces"
     565             : #endif
     566             : static const JSPropertySpec sAttributes_specs[] = {
     567             :   { "type", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &type_getterinfo, GenericBindingSetter, &type_setterinfo },
     568             :   { "sdp", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &sdp_getterinfo, GenericBindingSetter, &sdp_setterinfo },
     569             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     570             : };
     571             : #if defined(__clang__)
     572             : #pragma clang diagnostic pop
     573             : #endif
     574             : 
     575             : 
     576             : // Can't be const because the pref-enabled boolean needs to be writable
     577             : static Prefable<const JSPropertySpec> sAttributes[] = {
     578             :   { nullptr, &sAttributes_specs[0] },
     579             :   { nullptr, nullptr }
     580             : };
     581             : 
     582             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     583             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     584             : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     585             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     586             : 
     587             : 
     588             : static uint16_t sNativeProperties_sortedPropertyIndices[3];
     589             : static PropertyInfo sNativeProperties_propertyInfos[3];
     590             : 
     591             : static const NativePropertiesN<2> sNativeProperties = {
     592             :   false, 0,
     593             :   false, 0,
     594             :   true,  0 /* sMethods */,
     595             :   true,  1 /* sAttributes */,
     596             :   false, 0,
     597             :   false, 0,
     598             :   false, 0,
     599             :   -1,
     600             :   3,
     601             :   sNativeProperties_sortedPropertyIndices,
     602             :   {
     603             :     { sMethods, &sNativeProperties_propertyInfos[0] },
     604             :     { sAttributes, &sNativeProperties_propertyInfos[1] }
     605             :   }
     606             : };
     607             : static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
     608             :     "We have a property info count that is oversized");
     609             : 
     610             : static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[1];
     611             : static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[1];
     612             : 
     613             : static const NativePropertiesN<1> sChromeOnlyNativeProperties = {
     614             :   true,  0 /* sChromeStaticMethods */,
     615             :   false, 0,
     616             :   false, 0,
     617             :   false, 0,
     618             :   false, 0,
     619             :   false, 0,
     620             :   false, 0,
     621             :   -1,
     622             :   1,
     623             :   sChromeOnlyNativeProperties_sortedPropertyIndices,
     624             :   {
     625             :     { sChromeStaticMethods, &sChromeOnlyNativeProperties_propertyInfos[0] }
     626             :   }
     627             : };
     628             : static_assert(1 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
     629             :     "We have a property info count that is oversized");
     630             : 
     631             : static bool
     632           0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
     633             : {
     634           0 :   JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
     635           0 :   JS::Rooted<JSObject*> obj(cx, &args.callee());
     636           0 :   if (!args.isConstructing()) {
     637             :     // XXXbz wish I could get the name from the callee instead of
     638             :     // Adding more relocations
     639           0 :     return ThrowConstructorWithoutNew(cx, "RTCSessionDescription");
     640             :   }
     641             : 
     642           0 :   GlobalObject global(cx, obj);
     643           0 :   if (global.Failed()) {
     644           0 :     return false;
     645             :   }
     646             : 
     647           0 :   JS::Rooted<JSObject*> desiredProto(cx);
     648           0 :   if (!GetDesiredProto(cx, args, &desiredProto)) {
     649           0 :     return false;
     650             :   }
     651             : 
     652           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     653           0 :   binding_detail::FastRTCSessionDescriptionInit arg0;
     654           0 :   if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue,  "Argument 1 of RTCSessionDescription.constructor", true)) {
     655           0 :     return false;
     656             :   }
     657           0 :   Maybe<JSAutoCompartment> ac;
     658           0 :   if (objIsXray) {
     659           0 :     obj = js::CheckedUnwrap(obj);
     660           0 :     if (!obj) {
     661           0 :       return false;
     662             :     }
     663           0 :     ac.emplace(cx, obj);
     664           0 :     if (!JS_WrapObject(cx, &desiredProto)) {
     665           0 :       return false;
     666             :     }
     667             :   }
     668           0 :   binding_detail::FastErrorResult rv;
     669           0 :   auto result(StrongOrRawPtr<mozilla::dom::RTCSessionDescription>(mozilla::dom::RTCSessionDescription::Constructor(global, cx, Constify(arg0), rv)));
     670           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     671           0 :     return false;
     672             :   }
     673           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     674             :   static_assert(!IsPointer<decltype(result)>::value,
     675             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     676           0 :   if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
     677           0 :     MOZ_ASSERT(true || JS_IsExceptionPending(cx));
     678           0 :     return false;
     679             :   }
     680           0 :   return true;
     681             : }
     682             : 
     683             : static const js::ClassOps sInterfaceObjectClassOps = {
     684             :     nullptr,               /* addProperty */
     685             :     nullptr,               /* delProperty */
     686             :     nullptr,               /* getProperty */
     687             :     nullptr,               /* setProperty */
     688             :     nullptr,               /* enumerate */
     689             :     nullptr,               /* newEnumerate */
     690             :     nullptr,               /* resolve */
     691             :     nullptr,               /* mayResolve */
     692             :     nullptr,               /* finalize */
     693             :     _constructor, /* call */
     694             :     nullptr,               /* hasInstance */
     695             :     _constructor, /* construct */
     696             :     nullptr,               /* trace */
     697             : };
     698             : 
     699             : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
     700             :   {
     701             :     "Function",
     702             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
     703             :     &sInterfaceObjectClassOps,
     704             :     JS_NULL_CLASS_SPEC,
     705             :     JS_NULL_CLASS_EXT,
     706             :     &sInterfaceObjectClassObjectOps
     707             :   },
     708             :   eInterface,
     709             :   true,
     710             :   prototypes::id::RTCSessionDescription,
     711             :   PrototypeTraits<prototypes::id::RTCSessionDescription>::Depth,
     712             :   sNativePropertyHooks,
     713             :   "function RTCSessionDescription() {\n    [native code]\n}",
     714             :   JS::GetRealmFunctionPrototype
     715             : };
     716             : 
     717             : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
     718             :   {
     719             :     "RTCSessionDescriptionPrototype",
     720             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
     721             :     JS_NULL_CLASS_OPS,
     722             :     JS_NULL_CLASS_SPEC,
     723             :     JS_NULL_CLASS_EXT,
     724             :     JS_NULL_OBJECT_OPS
     725             :   },
     726             :   eInterfacePrototype,
     727             :   false,
     728             :   prototypes::id::RTCSessionDescription,
     729             :   PrototypeTraits<prototypes::id::RTCSessionDescription>::Depth,
     730             :   sNativePropertyHooks,
     731             :   "[object RTCSessionDescriptionPrototype]",
     732             :   JS::GetRealmObjectPrototype
     733             : };
     734             : 
     735             : bool
     736           0 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
     737             : {
     738             :   static bool sPrefValue;
     739             :   static bool sPrefCacheSetUp = false;
     740           0 :   if (!sPrefCacheSetUp) {
     741           0 :     sPrefCacheSetUp = true;
     742           0 :     Preferences::AddBoolVarCache(&sPrefValue, "media.peerconnection.enabled");
     743             :   }
     744             : 
     745           0 :   return sPrefValue;
     746             : }
     747             : 
     748             : JSObject*
     749           0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
     750             : {
     751           0 :   return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
     752             : }
     753             : 
     754             : static const js::ClassOps sClassOps = {
     755             :   _addProperty, /* addProperty */
     756             :   nullptr,               /* delProperty */
     757             :   nullptr,               /* getProperty */
     758             :   nullptr,               /* setProperty */
     759             :   nullptr,               /* enumerate */
     760             :   nullptr, /* newEnumerate */
     761             :   nullptr, /* resolve */
     762             :   nullptr, /* mayResolve */
     763             :   _finalize, /* finalize */
     764             :   nullptr, /* call */
     765             :   nullptr,               /* hasInstance */
     766             :   nullptr,               /* construct */
     767             :   nullptr, /* trace */
     768             : };
     769             : 
     770             : static const js::ClassExtension sClassExtension = {
     771             :   nullptr, /* weakmapKeyDelegateOp */
     772             :   _objectMoved /* objectMovedOp */
     773             : };
     774             : 
     775             : static const DOMJSClass sClass = {
     776             :   { "RTCSessionDescription",
     777             :     JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
     778             :     &sClassOps,
     779             :     JS_NULL_CLASS_SPEC,
     780             :     &sClassExtension,
     781             :     JS_NULL_OBJECT_OPS
     782             :   },
     783             :   { prototypes::id::RTCSessionDescription, 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 },
     784             :   IsBaseOf<nsISupports, mozilla::dom::RTCSessionDescription >::value,
     785             :   sNativePropertyHooks,
     786             :   FindAssociatedGlobalForNative<mozilla::dom::RTCSessionDescription>::Get,
     787             :   GetProtoObjectHandle,
     788             :   GetCCParticipant<mozilla::dom::RTCSessionDescription>::Get()
     789             : };
     790             : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
     791             :               "Must have the right minimal number of reserved slots.");
     792             : static_assert(1 >= 1,
     793             :               "Must have enough reserved slots.");
     794             : 
     795             : const JSClass*
     796           0 : GetJSClass()
     797             : {
     798           0 :   return sClass.ToJSClass();
     799             : }
     800             : 
     801             : bool
     802           0 : Wrap(JSContext* aCx, mozilla::dom::RTCSessionDescription* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
     803             : {
     804             :   MOZ_ASSERT(static_cast<mozilla::dom::RTCSessionDescription*>(aObject) ==
     805             :              reinterpret_cast<mozilla::dom::RTCSessionDescription*>(aObject),
     806             :              "Multiple inheritance for mozilla::dom::RTCSessionDescription is broken.");
     807           0 :   MOZ_ASSERT(ToSupportsIsCorrect(aObject));
     808           0 :   MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
     809           0 :   MOZ_ASSERT(!aCache->GetWrapper(),
     810             :              "You should probably not be using Wrap() directly; use "
     811             :              "GetOrCreateDOMReflector instead");
     812             : 
     813           0 :   MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
     814             :              "nsISupports must be on our primary inheritance chain");
     815             : 
     816           0 :   JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
     817           0 :   if (!global) {
     818           0 :     return false;
     819             :   }
     820           0 :   MOZ_ASSERT(JS_IsGlobalObject(global));
     821           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(global));
     822             : 
     823             :   // That might have ended up wrapping us already, due to the wonders
     824             :   // of XBL.  Check for that, and bail out as needed.
     825           0 :   aReflector.set(aCache->GetWrapper());
     826           0 :   if (aReflector) {
     827             : #ifdef DEBUG
     828           0 :     binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
     829             : #endif // DEBUG
     830           0 :     return true;
     831             :   }
     832             : 
     833           0 :   JSAutoCompartment ac(aCx, global);
     834           0 :   JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
     835           0 :   if (!canonicalProto) {
     836           0 :     return false;
     837             :   }
     838           0 :   JS::Rooted<JSObject*> proto(aCx);
     839           0 :   if (aGivenProto) {
     840           0 :     proto = aGivenProto;
     841             :     // Unfortunately, while aGivenProto was in the compartment of aCx
     842             :     // coming in, we changed compartments to that of "parent" so may need
     843             :     // to wrap the proto here.
     844           0 :     if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
     845           0 :       if (!JS_WrapObject(aCx, &proto)) {
     846           0 :         return false;
     847             :       }
     848             :     }
     849             :   } else {
     850           0 :     proto = canonicalProto;
     851             :   }
     852             : 
     853           0 :   BindingJSObjectCreator<mozilla::dom::RTCSessionDescription> creator(aCx);
     854           0 :   creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
     855           0 :   if (!aReflector) {
     856           0 :     return false;
     857             :   }
     858             : 
     859           0 :   aCache->SetWrapper(aReflector);
     860           0 :   creator.InitializationSucceeded();
     861             : 
     862           0 :   MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
     863             :              aCache->GetWrapperPreserveColor() == aReflector);
     864             :   // If proto != canonicalProto, we have to preserve our wrapper;
     865             :   // otherwise we won't be able to properly recreate it later, since
     866             :   // we won't know what proto to use.  Note that we don't check
     867             :   // aGivenProto here, since it's entirely possible (and even
     868             :   // somewhat common) to have a non-null aGivenProto which is the
     869             :   // same as canonicalProto.
     870           0 :   if (proto != canonicalProto) {
     871           0 :     PreserveWrapper(aObject);
     872             :   }
     873             : 
     874           0 :   return true;
     875             : }
     876             : 
     877             : const NativePropertyHooks sNativePropertyHooks[] = { {
     878             :   nullptr,
     879             :   nullptr,
     880             :   nullptr,
     881             :   { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
     882             :   prototypes::id::RTCSessionDescription,
     883             :   constructors::id::RTCSessionDescription,
     884             :   nullptr,
     885             :   &DefaultXrayExpandoObjectClass
     886             : } };
     887             : 
     888             : void
     889           0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
     890             : {
     891           0 :   JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
     892           0 :   if (!parentProto) {
     893           0 :     return;
     894             :   }
     895             : 
     896           0 :   JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
     897           0 :   if (!constructorProto) {
     898           0 :     return;
     899             :   }
     900             : 
     901             :   static bool sIdsInited = false;
     902           0 :   if (!sIdsInited && NS_IsMainThread()) {
     903           0 :     if (!InitIds(aCx, sNativeProperties.Upcast())) {
     904           0 :       return;
     905             :     }
     906           0 :     if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
     907           0 :       return;
     908             :     }
     909           0 :     sIdsInited = true;
     910             :   }
     911             : 
     912           0 :   JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::RTCSessionDescription);
     913           0 :   JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::RTCSessionDescription);
     914           0 :   dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
     915             :                               &sPrototypeClass.mBase, protoCache,
     916             :                               constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
     917             :                               interfaceCache,
     918             :                               sNativeProperties.Upcast(),
     919           0 :                               nsContentUtils::ThreadsafeIsSystemCaller(aCx) ? sChromeOnlyNativeProperties.Upcast() : nullptr,
     920             :                               "RTCSessionDescription", aDefineOnGlobal,
     921             :                               nullptr,
     922           0 :                               false);
     923             : }
     924             : 
     925             : JS::Handle<JSObject*>
     926           0 : GetProtoObjectHandle(JSContext* aCx)
     927             : {
     928             :   /* Get the interface prototype object for this class.  This will create the
     929             :      object as needed. */
     930           0 :   bool aDefineOnGlobal = true;
     931             : 
     932             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     933           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     934           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     935           0 :     return nullptr;
     936             :   }
     937             : 
     938             :   /* Check to see whether the interface objects are already installed */
     939           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     940           0 :   if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::RTCSessionDescription)) {
     941           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     942           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     943             :   }
     944             : 
     945             :   /*
     946             :    * The object might _still_ be null, but that's OK.
     947             :    *
     948             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     949             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     950             :    * changed after they have been set.
     951             :    *
     952             :    * Calling address() avoids the read read barrier that does gray
     953             :    * unmarking, but it's not possible for the object to be gray here.
     954             :    */
     955             : 
     956           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::RTCSessionDescription);
     957           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     958           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
     959             : }
     960             : 
     961             : JSObject*
     962           0 : GetProtoObject(JSContext* aCx)
     963             : {
     964           0 :   return GetProtoObjectHandle(aCx);
     965             : }
     966             : 
     967             : JS::Handle<JSObject*>
     968           0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
     969             : {
     970             :   /* Get the interface object for this class.  This will create the object as
     971             :      needed. */
     972             : 
     973             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     974           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     975           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     976           0 :     return nullptr;
     977             :   }
     978             : 
     979             :   /* Check to see whether the interface objects are already installed */
     980           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     981           0 :   if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::RTCSessionDescription)) {
     982           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     983           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     984             :   }
     985             : 
     986             :   /*
     987             :    * The object might _still_ be null, but that's OK.
     988             :    *
     989             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     990             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     991             :    * changed after they have been set.
     992             :    *
     993             :    * Calling address() avoids the read read barrier that does gray
     994             :    * unmarking, but it's not possible for the object to be gray here.
     995             :    */
     996             : 
     997           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::RTCSessionDescription);
     998           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     999           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
    1000             : }
    1001             : 
    1002             : JSObject*
    1003           0 : GetConstructorObject(JSContext* aCx)
    1004             : {
    1005           0 :   return GetConstructorObjectHandle(aCx);
    1006             : }
    1007             : 
    1008             : } // namespace RTCSessionDescriptionBinding
    1009             : 
    1010             : 
    1011             : 
    1012             : void
    1013           0 : RTCSessionDescriptionJSImpl::__Init(const RTCSessionDescriptionInit& descriptionInitDict, ErrorResult& aRv, JSCompartment* aCompartment)
    1014             : {
    1015           0 :   CallSetup s(this, aRv, "__init", eRethrowContentExceptions, aCompartment, /* aIsJSImplementedWebIDL = */ true);
    1016           0 :   JSContext* cx = s.GetContext();
    1017           0 :   if (!cx) {
    1018           0 :     MOZ_ASSERT(aRv.Failed());
    1019           0 :     return;
    1020             :   }
    1021           0 :   JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
    1022           0 :   JS::AutoValueVector argv(cx);
    1023           0 :   if (!argv.resize(1)) {
    1024           0 :     aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    1025           0 :     return;
    1026             :   }
    1027           0 :   unsigned argc = 1;
    1028             : 
    1029             :   do {
    1030           0 :     if (!descriptionInitDict.ToObjectInternal(cx, argv[0])) {
    1031           0 :       aRv.Throw(NS_ERROR_UNEXPECTED);
    1032           0 :       return;
    1033             :     }
    1034           0 :     break;
    1035             :   } while (0);
    1036             : 
    1037           0 :   JS::Rooted<JS::Value> callable(cx);
    1038           0 :   RTCSessionDescriptionAtoms* atomsCache = GetAtomCache<RTCSessionDescriptionAtoms>(cx);
    1039           0 :   if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
    1040           0 :       !GetCallableProperty(cx, atomsCache->__init_id, &callable)) {
    1041           0 :     aRv.Throw(NS_ERROR_UNEXPECTED);
    1042           0 :     return;
    1043             :   }
    1044           0 :   JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
    1045           0 :   if (!JS::Call(cx, thisValue, callable,
    1046           0 :                 JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    1047           0 :     aRv.NoteJSContextException(cx);
    1048           0 :     return;
    1049             :   }
    1050             : }
    1051             : 
    1052             : bool
    1053           0 : RTCSessionDescriptionJSImpl::InitIds(JSContext* cx, RTCSessionDescriptionAtoms* atomsCache)
    1054             : {
    1055           0 :   MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
    1056             : 
    1057             :   // Initialize these in reverse order so that any failure leaves the first one
    1058             :   // uninitialized.
    1059           0 :   if (!atomsCache->__init_id.init(cx, "__init") ||
    1060           0 :       !atomsCache->__jsonifier_id.init(cx, "__jsonifier") ||
    1061           0 :       !atomsCache->sdp_id.init(cx, "sdp") ||
    1062           0 :       !atomsCache->type_id.init(cx, "type")) {
    1063           0 :     return false;
    1064             :   }
    1065           0 :   return true;
    1066             : }
    1067             : 
    1068             : 
    1069             : RTCSdpType
    1070           0 : RTCSessionDescriptionJSImpl::GetType(ErrorResult& aRv, JSCompartment* aCompartment)
    1071             : {
    1072           0 :   CallSetup s(this, aRv, "RTCSessionDescription.type", eRethrowContentExceptions, aCompartment, /* aIsJSImplementedWebIDL = */ true);
    1073           0 :   JSContext* cx = s.GetContext();
    1074           0 :   if (!cx) {
    1075           0 :     MOZ_ASSERT(aRv.Failed());
    1076           0 :     return RTCSdpType(0);
    1077             :   }
    1078           0 :   JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
    1079             : 
    1080           0 :   JS::Rooted<JSObject *> callback(cx, mCallback);
    1081           0 :   RTCSessionDescriptionAtoms* atomsCache = GetAtomCache<RTCSessionDescriptionAtoms>(cx);
    1082           0 :   if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
    1083           0 :       !JS_GetPropertyById(cx, callback, atomsCache->type_id, &rval)) {
    1084           0 :     aRv.Throw(NS_ERROR_UNEXPECTED);
    1085           0 :     return RTCSdpType(0);
    1086             :   }
    1087             :   RTCSdpType rvalDecl;
    1088             :   {
    1089             :     int index;
    1090           0 :     if (!FindEnumStringIndex<true>(cx, rval, RTCSdpTypeValues::strings, "RTCSdpType", "Return value of RTCSessionDescription.type", &index)) {
    1091           0 :       aRv.Throw(NS_ERROR_UNEXPECTED);
    1092           0 :       return RTCSdpType(0);
    1093             :     }
    1094           0 :     MOZ_ASSERT(index >= 0);
    1095           0 :     rvalDecl = static_cast<RTCSdpType>(index);
    1096             :   }
    1097           0 :   return rvalDecl;
    1098             : }
    1099             : 
    1100             : void
    1101           0 : RTCSessionDescriptionJSImpl::GetSdp(nsString& aRetVal, ErrorResult& aRv, JSCompartment* aCompartment)
    1102             : {
    1103           0 :   CallSetup s(this, aRv, "RTCSessionDescription.sdp", eRethrowContentExceptions, aCompartment, /* aIsJSImplementedWebIDL = */ true);
    1104           0 :   JSContext* cx = s.GetContext();
    1105           0 :   if (!cx) {
    1106           0 :     MOZ_ASSERT(aRv.Failed());
    1107           0 :     return;
    1108             :   }
    1109           0 :   JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
    1110             : 
    1111           0 :   JS::Rooted<JSObject *> callback(cx, mCallback);
    1112           0 :   RTCSessionDescriptionAtoms* atomsCache = GetAtomCache<RTCSessionDescriptionAtoms>(cx);
    1113           0 :   if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
    1114           0 :       !JS_GetPropertyById(cx, callback, atomsCache->sdp_id, &rval)) {
    1115           0 :     aRv.Throw(NS_ERROR_UNEXPECTED);
    1116           0 :     return;
    1117             :   }
    1118           0 :   binding_detail::FakeString rvalDecl;
    1119           0 :   if (!ConvertJSValueToString(cx, rval, eStringify, eStringify, rvalDecl)) {
    1120           0 :     aRv.Throw(NS_ERROR_UNEXPECTED);
    1121           0 :     return;
    1122             :   }
    1123           0 :   aRetVal = rvalDecl;
    1124             : }
    1125             : 
    1126             : void
    1127           0 : RTCSessionDescriptionJSImpl::SetType(RTCSdpType arg, ErrorResult& aRv, JSCompartment* aCompartment)
    1128             : {
    1129           0 :   CallSetup s(this, aRv, "RTCSessionDescription.type", eRethrowContentExceptions, aCompartment, /* aIsJSImplementedWebIDL = */ true);
    1130           0 :   JSContext* cx = s.GetContext();
    1131           0 :   if (!cx) {
    1132           0 :     MOZ_ASSERT(aRv.Failed());
    1133           0 :     return;
    1134             :   }
    1135           0 :   JS::AutoValueVector argv(cx);
    1136           0 :   if (!argv.resize(1)) {
    1137           0 :     aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    1138           0 :     return;
    1139             :   }
    1140             :   do {
    1141           0 :     if (!ToJSValue(cx, arg, argv[0])) {
    1142           0 :       aRv.Throw(NS_ERROR_UNEXPECTED);
    1143           0 :       return;
    1144             :     }
    1145           0 :     break;
    1146             :   } while (0);
    1147             : 
    1148           0 :   MOZ_ASSERT(argv.length() == 1);
    1149           0 :   RTCSessionDescriptionAtoms* atomsCache = GetAtomCache<RTCSessionDescriptionAtoms>(cx);
    1150           0 :   if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
    1151           0 :       !JS_SetPropertyById(cx, CallbackKnownNotGray(), atomsCache->type_id, argv[0])) {
    1152           0 :     aRv.Throw(NS_ERROR_UNEXPECTED);
    1153           0 :     return;
    1154             :   }
    1155             : }
    1156             : 
    1157             : void
    1158           0 : RTCSessionDescriptionJSImpl::SetSdp(const nsAString& arg, ErrorResult& aRv, JSCompartment* aCompartment)
    1159             : {
    1160           0 :   CallSetup s(this, aRv, "RTCSessionDescription.sdp", eRethrowContentExceptions, aCompartment, /* aIsJSImplementedWebIDL = */ true);
    1161           0 :   JSContext* cx = s.GetContext();
    1162           0 :   if (!cx) {
    1163           0 :     MOZ_ASSERT(aRv.Failed());
    1164           0 :     return;
    1165             :   }
    1166           0 :   JS::AutoValueVector argv(cx);
    1167           0 :   if (!argv.resize(1)) {
    1168           0 :     aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    1169           0 :     return;
    1170             :   }
    1171             :   do {
    1172           0 :     nsString mutableStr(arg);
    1173           0 :     if (!xpc::NonVoidStringToJsval(cx, mutableStr, argv[0])) {
    1174           0 :       aRv.Throw(NS_ERROR_UNEXPECTED);
    1175           0 :       return;
    1176             :     }
    1177           0 :     break;
    1178             :   } while (0);
    1179             : 
    1180           0 :   MOZ_ASSERT(argv.length() == 1);
    1181           0 :   RTCSessionDescriptionAtoms* atomsCache = GetAtomCache<RTCSessionDescriptionAtoms>(cx);
    1182           0 :   if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
    1183           0 :       !JS_SetPropertyById(cx, CallbackKnownNotGray(), atomsCache->sdp_id, argv[0])) {
    1184           0 :     aRv.Throw(NS_ERROR_UNEXPECTED);
    1185           0 :     return;
    1186             :   }
    1187             : }
    1188             : 
    1189             : 
    1190             : NS_IMPL_CYCLE_COLLECTION_CLASS(RTCSessionDescription)
    1191           0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(RTCSessionDescription)
    1192           0 :   NS_IMPL_CYCLE_COLLECTION_UNLINK(mImpl)
    1193           0 :   NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)
    1194           0 :   NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
    1195           0 :   tmp->ClearWeakReferences();
    1196           0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_END
    1197           0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(RTCSessionDescription)
    1198           0 :   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mImpl)
    1199           0 :   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)
    1200           0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
    1201           0 : NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(RTCSessionDescription)
    1202           0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(RTCSessionDescription)
    1203           0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(RTCSessionDescription)
    1204           0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RTCSessionDescription)
    1205           0 :   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
    1206           0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
    1207           0 :   NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
    1208           0 : NS_INTERFACE_MAP_END
    1209             : 
    1210           0 : RTCSessionDescription::RTCSessionDescription(JS::Handle<JSObject*> aJSImplObject, nsIGlobalObject* aParent)
    1211           0 :   : mImpl(new RTCSessionDescriptionJSImpl(nullptr, aJSImplObject, /* aIncumbentGlobal = */ nullptr)),
    1212           0 :     mParent(aParent)
    1213             : {
    1214           0 : }
    1215             : 
    1216             : 
    1217           0 : RTCSessionDescription::~RTCSessionDescription()
    1218             : {
    1219           0 : }
    1220             : 
    1221             : nsISupports*
    1222           0 : RTCSessionDescription::GetParentObject() const
    1223             : {
    1224           0 :   return mParent;
    1225             : }
    1226             : 
    1227             : JSObject*
    1228           0 : RTCSessionDescription::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
    1229             : {
    1230           0 :   JS::Rooted<JSObject*> obj(aCx, RTCSessionDescriptionBinding::Wrap(aCx, this, aGivenProto));
    1231           0 :   if (!obj) {
    1232           0 :     return nullptr;
    1233             :   }
    1234             : 
    1235             :   // Now define it on our chrome object
    1236           0 :   JSAutoCompartment ac(aCx, mImpl->CallbackOrNull());
    1237           0 :   if (!JS_WrapObject(aCx, &obj)) {
    1238           0 :     return nullptr;
    1239             :   }
    1240           0 :   if (!JS_DefineProperty(aCx, mImpl->CallbackOrNull(), "__DOM_IMPL__", obj, 0)) {
    1241           0 :     return nullptr;
    1242             :   }
    1243           0 :   return obj;
    1244             : }
    1245             : 
    1246             : already_AddRefed<RTCSessionDescription>
    1247           0 : RTCSessionDescription::Constructor(const GlobalObject& global, JSContext* cx, const RTCSessionDescriptionInit& descriptionInitDict, ErrorResult& aRv)
    1248             : {
    1249           0 :   JS::Rooted<JSObject*> jsImplObj(cx);
    1250             :   nsCOMPtr<nsIGlobalObject> globalHolder =
    1251           0 :     ConstructJSImplementation("@mozilla.org/dom/rtcsessiondescription;1", global, &jsImplObj, aRv);
    1252           0 :   if (aRv.Failed()) {
    1253           0 :     return nullptr;
    1254             :   }
    1255             :   // Build the C++ implementation.
    1256           0 :   RefPtr<RTCSessionDescription> impl = new RTCSessionDescription(jsImplObj, globalHolder);
    1257             :   // Wrap the object before calling __Init so that __DOM_IMPL__ is available.
    1258           0 :   JS::Rooted<JSObject*> scopeObj(cx, globalHolder->GetGlobalJSObject());
    1259           0 :   MOZ_ASSERT(js::IsObjectInContextCompartment(scopeObj, cx));
    1260           0 :   JS::Rooted<JS::Value> wrappedVal(cx);
    1261           0 :   if (!GetOrCreateDOMReflector(cx, impl, &wrappedVal)) {
    1262             :     //XXX Assertion disabled for now, see bug 991271.
    1263           0 :     MOZ_ASSERT(true || JS_IsExceptionPending(cx));
    1264           0 :     aRv.Throw(NS_ERROR_UNEXPECTED);
    1265           0 :     return nullptr;
    1266             :   }
    1267             :   // Initialize the object with the constructor arguments.
    1268           0 :   impl->mImpl->__Init(descriptionInitDict, aRv, js::GetObjectCompartment(scopeObj));
    1269           0 :   if (aRv.Failed()) {
    1270           0 :     return nullptr;
    1271             :   }
    1272           0 :   return impl.forget();
    1273             : }
    1274             : 
    1275             : RTCSdpType
    1276           0 : RTCSessionDescription::GetType(ErrorResult& aRv, JSCompartment* aCompartment) const
    1277             : {
    1278           0 :   return mImpl->GetType(aRv, aCompartment);
    1279             : }
    1280             : 
    1281             : void
    1282           0 : RTCSessionDescription::SetType(RTCSdpType arg, ErrorResult& aRv, JSCompartment* aCompartment)
    1283             : {
    1284           0 :   mImpl->SetType(arg, aRv, aCompartment);
    1285           0 : }
    1286             : 
    1287             : void
    1288           0 : RTCSessionDescription::GetSdp(nsString& aRetVal, ErrorResult& aRv, JSCompartment* aCompartment) const
    1289             : {
    1290           0 :   return mImpl->GetSdp(aRetVal, aRv, aCompartment);
    1291             : }
    1292             : 
    1293             : void
    1294           0 : RTCSessionDescription::SetSdp(const nsAString& arg, ErrorResult& aRv, JSCompartment* aCompartment)
    1295             : {
    1296           0 :   mImpl->SetSdp(arg, aRv, aCompartment);
    1297           0 : }
    1298             : 
    1299             : bool
    1300           0 : RTCSessionDescription::_Create(JSContext* cx, unsigned argc, JS::Value* vp)
    1301             : {
    1302           0 :   JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    1303           0 :   if (args.length() < 2) {
    1304           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCSessionDescription._create");
    1305             :   }
    1306           0 :   if (!args[0].isObject()) {
    1307           0 :     return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of RTCSessionDescription._create");
    1308             :   }
    1309           0 :   if (!args[1].isObject()) {
    1310           0 :     return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of RTCSessionDescription._create");
    1311             :   }
    1312             : 
    1313             :   // GlobalObject will go through wrappers as needed for us, and
    1314             :   // is simpler than the right UnwrapArg incantation.
    1315           0 :   GlobalObject global(cx, &args[0].toObject());
    1316           0 :   if (global.Failed()) {
    1317           0 :     return false;
    1318             :   }
    1319           0 :   nsCOMPtr<nsIGlobalObject> globalHolder = do_QueryInterface(global.GetAsSupports());
    1320           0 :   MOZ_ASSERT(globalHolder);
    1321           0 :   JS::Rooted<JSObject*> arg(cx, &args[1].toObject());
    1322           0 :   RefPtr<RTCSessionDescription> impl = new RTCSessionDescription(arg, globalHolder);
    1323           0 :   MOZ_ASSERT(js::IsObjectInContextCompartment(arg, cx));
    1324           0 :   return GetOrCreateDOMReflector(cx, impl, args.rval());
    1325             : }
    1326             : 
    1327             : 
    1328             : } // namespace dom
    1329             : } // namespace mozilla

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