LCOV - code coverage report
Current view: top level - obj-x86_64-pc-linux-gnu/dom/bindings - DeviceOrientationEventBinding.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 382 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 25 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* THIS FILE IS AUTOGENERATED FROM DeviceOrientationEvent.webidl BY Codegen.py - DO NOT EDIT */
       2             : 
       3             : #include "AtomList.h"
       4             : #include "DeviceOrientationEventBinding.h"
       5             : #include "EventBinding.h"
       6             : #include "WrapperFactory.h"
       7             : #include "mozilla/FloatingPoint.h"
       8             : #include "mozilla/OwningNonNull.h"
       9             : #include "mozilla/dom/BindingUtils.h"
      10             : #include "mozilla/dom/DOMJSClass.h"
      11             : #include "mozilla/dom/DeviceOrientationEvent.h"
      12             : #include "mozilla/dom/NonRefcountedDOMObject.h"
      13             : #include "mozilla/dom/Nullable.h"
      14             : #include "mozilla/dom/PrimitiveConversions.h"
      15             : #include "mozilla/dom/ScriptSettings.h"
      16             : #include "mozilla/dom/SimpleGlobalObject.h"
      17             : #include "mozilla/dom/XrayExpandoClass.h"
      18             : 
      19             : namespace mozilla {
      20             : namespace dom {
      21             : 
      22             : 
      23           0 : DeviceOrientationEventInit::DeviceOrientationEventInit()
      24           0 :   : EventInit(FastDictionaryInitializer())
      25             : {
      26             :   // Safe to pass a null context if we pass a null value
      27           0 :   Init(nullptr, JS::NullHandleValue);
      28           0 : }
      29             : 
      30             : 
      31             : 
      32             : bool
      33           0 : DeviceOrientationEventInit::InitIds(JSContext* cx, DeviceOrientationEventInitAtoms* atomsCache)
      34             : {
      35           0 :   MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
      36             : 
      37             :   // Initialize these in reverse order so that any failure leaves the first one
      38             :   // uninitialized.
      39           0 :   if (!atomsCache->gamma_id.init(cx, "gamma") ||
      40           0 :       !atomsCache->beta_id.init(cx, "beta") ||
      41           0 :       !atomsCache->alpha_id.init(cx, "alpha") ||
      42           0 :       !atomsCache->absolute_id.init(cx, "absolute")) {
      43           0 :     return false;
      44             :   }
      45           0 :   return true;
      46             : }
      47             : 
      48             : bool
      49           0 : DeviceOrientationEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
      50             : {
      51             :   // Passing a null JSContext is OK only if we're initing from null,
      52             :   // Since in that case we will not have to do any property gets
      53             :   // Also evaluate isNullOrUndefined in order to avoid false-positive
      54             :   // checkers by static analysis tools
      55           0 :   MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
      56           0 :   DeviceOrientationEventInitAtoms* atomsCache = nullptr;
      57           0 :   if (cx) {
      58           0 :     atomsCache = GetAtomCache<DeviceOrientationEventInitAtoms>(cx);
      59           0 :     if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      60           0 :       return false;
      61             :     }
      62             :   }
      63             : 
      64             :   // Per spec, we init the parent's members first
      65           0 :   if (!EventInit::Init(cx, val)) {
      66           0 :     return false;
      67             :   }
      68             : 
      69           0 :   bool isNull = val.isNullOrUndefined();
      70             :   // We only need these if !isNull, in which case we have |cx|.
      71           0 :   Maybe<JS::Rooted<JSObject *> > object;
      72           0 :   Maybe<JS::Rooted<JS::Value> > temp;
      73           0 :   if (!isNull) {
      74           0 :     MOZ_ASSERT(cx);
      75           0 :     object.emplace(cx, &val.toObject());
      76           0 :     temp.emplace(cx);
      77             :   }
      78           0 :   if (!isNull) {
      79           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->absolute_id, temp.ptr())) {
      80           0 :       return false;
      81             :     }
      82             :   }
      83           0 :   if (!isNull && !temp->isUndefined()) {
      84           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mAbsolute)) {
      85           0 :       return false;
      86             :     }
      87             :   } else {
      88           0 :     mAbsolute = false;
      89             :   }
      90           0 :   mIsAnyMemberPresent = true;
      91             : 
      92           0 :   if (!isNull) {
      93           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->alpha_id, temp.ptr())) {
      94           0 :       return false;
      95             :     }
      96             :   }
      97           0 :   if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) {
      98           0 :     mAlpha.SetNull();
      99           0 :   } else if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), &mAlpha.SetValue())) {
     100           0 :     return false;
     101           0 :   } else if (!mozilla::IsFinite(mAlpha.Value())) {
     102           0 :     ThrowErrorMessage(cx, MSG_NOT_FINITE, "'alpha' member of DeviceOrientationEventInit");
     103           0 :     return false;
     104             :   }
     105           0 :   mIsAnyMemberPresent = true;
     106             : 
     107           0 :   if (!isNull) {
     108           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->beta_id, temp.ptr())) {
     109           0 :       return false;
     110             :     }
     111             :   }
     112           0 :   if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) {
     113           0 :     mBeta.SetNull();
     114           0 :   } else if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), &mBeta.SetValue())) {
     115           0 :     return false;
     116           0 :   } else if (!mozilla::IsFinite(mBeta.Value())) {
     117           0 :     ThrowErrorMessage(cx, MSG_NOT_FINITE, "'beta' member of DeviceOrientationEventInit");
     118           0 :     return false;
     119             :   }
     120           0 :   mIsAnyMemberPresent = true;
     121             : 
     122           0 :   if (!isNull) {
     123           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->gamma_id, temp.ptr())) {
     124           0 :       return false;
     125             :     }
     126             :   }
     127           0 :   if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) {
     128           0 :     mGamma.SetNull();
     129           0 :   } else if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), &mGamma.SetValue())) {
     130           0 :     return false;
     131           0 :   } else if (!mozilla::IsFinite(mGamma.Value())) {
     132           0 :     ThrowErrorMessage(cx, MSG_NOT_FINITE, "'gamma' member of DeviceOrientationEventInit");
     133           0 :     return false;
     134             :   }
     135           0 :   mIsAnyMemberPresent = true;
     136           0 :   return true;
     137             : }
     138             : 
     139             : bool
     140           0 : DeviceOrientationEventInit::Init(const nsAString& aJSON)
     141             : {
     142           0 :   AutoJSAPI jsapi;
     143           0 :   JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
     144           0 :   if (!cleanGlobal) {
     145           0 :     return false;
     146             :   }
     147           0 :   if (!jsapi.Init(cleanGlobal)) {
     148           0 :     return false;
     149             :   }
     150           0 :   JSContext* cx = jsapi.cx();
     151           0 :   JS::Rooted<JS::Value> json(cx);
     152           0 :   bool ok = ParseJSON(cx, aJSON, &json);
     153           0 :   NS_ENSURE_TRUE(ok, false);
     154           0 :   return Init(cx, json);
     155             : }
     156             : 
     157             : bool
     158           0 : DeviceOrientationEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
     159             : {
     160           0 :   DeviceOrientationEventInitAtoms* atomsCache = GetAtomCache<DeviceOrientationEventInitAtoms>(cx);
     161           0 :   if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
     162           0 :     return false;
     163             :   }
     164             : 
     165             :   // Per spec, we define the parent's members first
     166           0 :   if (!EventInit::ToObjectInternal(cx, rval)) {
     167           0 :     return false;
     168             :   }
     169           0 :   JS::Rooted<JSObject*> obj(cx, &rval.toObject());
     170             : 
     171             :   do {
     172             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     173           0 :     JS::Rooted<JS::Value> temp(cx);
     174           0 :     bool const & currentValue = mAbsolute;
     175           0 :     temp.setBoolean(currentValue);
     176           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->absolute_id, temp, JSPROP_ENUMERATE)) {
     177           0 :       return false;
     178             :     }
     179           0 :     break;
     180             :   } while(0);
     181             : 
     182             :   do {
     183             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     184           0 :     JS::Rooted<JS::Value> temp(cx);
     185           0 :     Nullable<double> const & currentValue = mAlpha;
     186           0 :     if (currentValue.IsNull()) {
     187           0 :       temp.setNull();
     188           0 :       if (!JS_DefinePropertyById(cx, obj, atomsCache->alpha_id, temp, JSPROP_ENUMERATE)) {
     189           0 :         return false;
     190             :       }
     191           0 :       break;
     192             :     }
     193           0 :     temp.set(JS_NumberValue(double(currentValue.Value())));
     194           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->alpha_id, temp, JSPROP_ENUMERATE)) {
     195           0 :       return false;
     196             :     }
     197           0 :     break;
     198             :   } while(0);
     199             : 
     200             :   do {
     201             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     202           0 :     JS::Rooted<JS::Value> temp(cx);
     203           0 :     Nullable<double> const & currentValue = mBeta;
     204           0 :     if (currentValue.IsNull()) {
     205           0 :       temp.setNull();
     206           0 :       if (!JS_DefinePropertyById(cx, obj, atomsCache->beta_id, temp, JSPROP_ENUMERATE)) {
     207           0 :         return false;
     208             :       }
     209           0 :       break;
     210             :     }
     211           0 :     temp.set(JS_NumberValue(double(currentValue.Value())));
     212           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->beta_id, temp, JSPROP_ENUMERATE)) {
     213           0 :       return false;
     214             :     }
     215           0 :     break;
     216             :   } while(0);
     217             : 
     218             :   do {
     219             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     220           0 :     JS::Rooted<JS::Value> temp(cx);
     221           0 :     Nullable<double> const & currentValue = mGamma;
     222           0 :     if (currentValue.IsNull()) {
     223           0 :       temp.setNull();
     224           0 :       if (!JS_DefinePropertyById(cx, obj, atomsCache->gamma_id, temp, JSPROP_ENUMERATE)) {
     225           0 :         return false;
     226             :       }
     227           0 :       break;
     228             :     }
     229           0 :     temp.set(JS_NumberValue(double(currentValue.Value())));
     230           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->gamma_id, temp, JSPROP_ENUMERATE)) {
     231           0 :       return false;
     232             :     }
     233           0 :     break;
     234             :   } while(0);
     235             : 
     236           0 :   return true;
     237             : }
     238             : 
     239             : bool
     240           0 : DeviceOrientationEventInit::ToJSON(nsAString& aJSON) const
     241             : {
     242           0 :   AutoJSAPI jsapi;
     243           0 :   jsapi.Init();
     244           0 :   JSContext *cx = jsapi.cx();
     245             :   // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
     246             :   // because we'll only be creating objects, in ways that have no
     247             :   // side-effects, followed by a call to JS::ToJSONMaybeSafely,
     248             :   // which likewise guarantees no side-effects for the sorts of
     249             :   // things we will pass it.
     250           0 :   JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
     251           0 :   JS::Rooted<JS::Value> val(cx);
     252           0 :   if (!ToObjectInternal(cx, &val)) {
     253           0 :     return false;
     254             :   }
     255           0 :   JS::Rooted<JSObject*> obj(cx, &val.toObject());
     256           0 :   return StringifyToJSON(cx, obj, aJSON);
     257             : }
     258             : 
     259             : void
     260           0 : DeviceOrientationEventInit::TraceDictionary(JSTracer* trc)
     261             : {
     262           0 :   EventInit::TraceDictionary(trc);
     263           0 : }
     264             : 
     265             : DeviceOrientationEventInit&
     266           0 : DeviceOrientationEventInit::operator=(const DeviceOrientationEventInit& aOther)
     267             : {
     268           0 :   EventInit::operator=(aOther);
     269           0 :   mAbsolute = aOther.mAbsolute;
     270           0 :   mAlpha = aOther.mAlpha;
     271           0 :   mBeta = aOther.mBeta;
     272           0 :   mGamma = aOther.mGamma;
     273           0 :   return *this;
     274             : }
     275             : 
     276             : namespace binding_detail {
     277             : } // namespace binding_detail
     278             : 
     279             : 
     280             : namespace DeviceOrientationEventBinding {
     281             : 
     282             : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
     283             :               "Can't inherit from an interface with a different ownership model.");
     284             : 
     285             : static bool
     286           0 : get_alpha(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceOrientationEvent* self, JSJitGetterCallArgs args)
     287             : {
     288           0 :   Nullable<double> result(self->GetAlpha());
     289           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     290           0 :   if (result.IsNull()) {
     291           0 :     args.rval().setNull();
     292           0 :     return true;
     293             :   }
     294           0 :   args.rval().set(JS_NumberValue(double(result.Value())));
     295           0 :   return true;
     296             : }
     297             : 
     298             : static const JSJitInfo alpha_getterinfo = {
     299             :   { (JSJitGetterOp)get_alpha },
     300             :   { prototypes::id::DeviceOrientationEvent },
     301             :   { PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth },
     302             :   JSJitInfo::Getter,
     303             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     304             :   JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
     305             :   true,  /* isInfallible. False in setters. */
     306             :   false,  /* isMovable.  Not relevant for setters. */
     307             :   false, /* isEliminatable.  Not relevant for setters. */
     308             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     309             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     310             :   false,  /* isTypedMethod.  Only relevant for methods. */
     311             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     312             : };
     313             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     314             : static_assert(0 < 1, "There is no slot for us");
     315             : 
     316             : static bool
     317           0 : get_beta(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceOrientationEvent* self, JSJitGetterCallArgs args)
     318             : {
     319           0 :   Nullable<double> result(self->GetBeta());
     320           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     321           0 :   if (result.IsNull()) {
     322           0 :     args.rval().setNull();
     323           0 :     return true;
     324             :   }
     325           0 :   args.rval().set(JS_NumberValue(double(result.Value())));
     326           0 :   return true;
     327             : }
     328             : 
     329             : static const JSJitInfo beta_getterinfo = {
     330             :   { (JSJitGetterOp)get_beta },
     331             :   { prototypes::id::DeviceOrientationEvent },
     332             :   { PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth },
     333             :   JSJitInfo::Getter,
     334             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     335             :   JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
     336             :   true,  /* isInfallible. False in setters. */
     337             :   false,  /* isMovable.  Not relevant for setters. */
     338             :   false, /* isEliminatable.  Not relevant for setters. */
     339             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     340             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     341             :   false,  /* isTypedMethod.  Only relevant for methods. */
     342             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     343             : };
     344             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     345             : static_assert(0 < 1, "There is no slot for us");
     346             : 
     347             : static bool
     348           0 : get_gamma(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceOrientationEvent* self, JSJitGetterCallArgs args)
     349             : {
     350           0 :   Nullable<double> result(self->GetGamma());
     351           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     352           0 :   if (result.IsNull()) {
     353           0 :     args.rval().setNull();
     354           0 :     return true;
     355             :   }
     356           0 :   args.rval().set(JS_NumberValue(double(result.Value())));
     357           0 :   return true;
     358             : }
     359             : 
     360             : static const JSJitInfo gamma_getterinfo = {
     361             :   { (JSJitGetterOp)get_gamma },
     362             :   { prototypes::id::DeviceOrientationEvent },
     363             :   { PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth },
     364             :   JSJitInfo::Getter,
     365             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     366             :   JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
     367             :   true,  /* isInfallible. False in setters. */
     368             :   false,  /* isMovable.  Not relevant for setters. */
     369             :   false, /* isEliminatable.  Not relevant for setters. */
     370             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     371             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     372             :   false,  /* isTypedMethod.  Only relevant for methods. */
     373             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     374             : };
     375             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     376             : static_assert(0 < 1, "There is no slot for us");
     377             : 
     378             : static bool
     379           0 : get_absolute(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceOrientationEvent* self, JSJitGetterCallArgs args)
     380             : {
     381           0 :   bool result(self->Absolute());
     382           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     383           0 :   args.rval().setBoolean(result);
     384           0 :   return true;
     385             : }
     386             : 
     387             : static const JSJitInfo absolute_getterinfo = {
     388             :   { (JSJitGetterOp)get_absolute },
     389             :   { prototypes::id::DeviceOrientationEvent },
     390             :   { PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth },
     391             :   JSJitInfo::Getter,
     392             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     393             :   JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
     394             :   true,  /* isInfallible. False in setters. */
     395             :   false,  /* isMovable.  Not relevant for setters. */
     396             :   false, /* isEliminatable.  Not relevant for setters. */
     397             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     398             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     399             :   false,  /* isTypedMethod.  Only relevant for methods. */
     400             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     401             : };
     402             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     403             : static_assert(0 < 1, "There is no slot for us");
     404             : 
     405             : static bool
     406           0 : initDeviceOrientationEvent(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceOrientationEvent* self, const JSJitMethodCallArgs& args)
     407             : {
     408           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     409           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DeviceOrientationEvent.initDeviceOrientationEvent");
     410             :   }
     411           0 :   binding_detail::FakeString arg0;
     412           0 :   if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
     413           0 :     return false;
     414             :   }
     415             :   bool arg1;
     416           0 :   if (args.hasDefined(1)) {
     417           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, args[1], &arg1)) {
     418           0 :       return false;
     419             :     }
     420             :   } else {
     421           0 :     arg1 = false;
     422             :   }
     423             :   bool arg2;
     424           0 :   if (args.hasDefined(2)) {
     425           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, args[2], &arg2)) {
     426           0 :       return false;
     427             :     }
     428             :   } else {
     429           0 :     arg2 = false;
     430             :   }
     431           0 :   Nullable<double> arg3;
     432           0 :   if (!(args.hasDefined(3)) || args[3].isNullOrUndefined()) {
     433           0 :     arg3.SetNull();
     434           0 :   } else if (!ValueToPrimitive<double, eDefault>(cx, args[3], &arg3.SetValue())) {
     435           0 :     return false;
     436           0 :   } else if (!mozilla::IsFinite(arg3.Value())) {
     437           0 :     ThrowErrorMessage(cx, MSG_NOT_FINITE, "Argument 4 of DeviceOrientationEvent.initDeviceOrientationEvent");
     438           0 :     return false;
     439             :   }
     440           0 :   Nullable<double> arg4;
     441           0 :   if (!(args.hasDefined(4)) || args[4].isNullOrUndefined()) {
     442           0 :     arg4.SetNull();
     443           0 :   } else if (!ValueToPrimitive<double, eDefault>(cx, args[4], &arg4.SetValue())) {
     444           0 :     return false;
     445           0 :   } else if (!mozilla::IsFinite(arg4.Value())) {
     446           0 :     ThrowErrorMessage(cx, MSG_NOT_FINITE, "Argument 5 of DeviceOrientationEvent.initDeviceOrientationEvent");
     447           0 :     return false;
     448             :   }
     449           0 :   Nullable<double> arg5;
     450           0 :   if (!(args.hasDefined(5)) || args[5].isNullOrUndefined()) {
     451           0 :     arg5.SetNull();
     452           0 :   } else if (!ValueToPrimitive<double, eDefault>(cx, args[5], &arg5.SetValue())) {
     453           0 :     return false;
     454           0 :   } else if (!mozilla::IsFinite(arg5.Value())) {
     455           0 :     ThrowErrorMessage(cx, MSG_NOT_FINITE, "Argument 6 of DeviceOrientationEvent.initDeviceOrientationEvent");
     456           0 :     return false;
     457             :   }
     458             :   bool arg6;
     459           0 :   if (args.hasDefined(6)) {
     460           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, args[6], &arg6)) {
     461           0 :       return false;
     462             :     }
     463             :   } else {
     464           0 :     arg6 = false;
     465             :   }
     466           0 :   self->InitDeviceOrientationEvent(NonNullHelper(Constify(arg0)), arg1, arg2, Constify(arg3), Constify(arg4), Constify(arg5), arg6);
     467           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     468           0 :   args.rval().setUndefined();
     469           0 :   return true;
     470             : }
     471             : 
     472             : static const JSJitInfo initDeviceOrientationEvent_methodinfo = {
     473             :   { (JSJitGetterOp)initDeviceOrientationEvent },
     474             :   { prototypes::id::DeviceOrientationEvent },
     475             :   { PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth },
     476             :   JSJitInfo::Method,
     477             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     478             :   JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
     479             :   false,  /* isInfallible. False in setters. */
     480             :   false,  /* isMovable.  Not relevant for setters. */
     481             :   false, /* isEliminatable.  Not relevant for setters. */
     482             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     483             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     484             :   false,  /* isTypedMethod.  Only relevant for methods. */
     485             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     486             : };
     487             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     488             : static_assert(0 < 1, "There is no slot for us");
     489             : 
     490             : static bool
     491           0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DeviceOrientationEvent* self, JSJitGetterCallArgs args)
     492             : {
     493           0 :   bool result(self->IsTrusted());
     494           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     495           0 :   args.rval().setBoolean(result);
     496           0 :   return true;
     497             : }
     498             : 
     499             : static const JSJitInfo isTrusted_getterinfo = {
     500             :   { (JSJitGetterOp)get_isTrusted },
     501             :   { prototypes::id::DeviceOrientationEvent },
     502             :   { PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth },
     503             :   JSJitInfo::Getter,
     504             :   JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
     505             :   JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
     506             :   true,  /* isInfallible. False in setters. */
     507             :   true,  /* isMovable.  Not relevant for setters. */
     508             :   true, /* isEliminatable.  Not relevant for setters. */
     509             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     510             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     511             :   false,  /* isTypedMethod.  Only relevant for methods. */
     512             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     513             : };
     514             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     515             : static_assert(0 < 1, "There is no slot for us");
     516             : 
     517             : static bool
     518           0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
     519             : {
     520           0 :   mozilla::dom::DeviceOrientationEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DeviceOrientationEvent>(obj);
     521             :   // We don't want to preserve if we don't have a wrapper, and we
     522             :   // obviously can't preserve if we're not initialized.
     523           0 :   if (self && self->GetWrapperPreserveColor()) {
     524           0 :     PreserveWrapper(self);
     525             :   }
     526           0 :   return true;
     527             : }
     528             : 
     529             : static void
     530           0 : _finalize(js::FreeOp* fop, JSObject* obj)
     531             : {
     532           0 :   mozilla::dom::DeviceOrientationEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DeviceOrientationEvent>(obj);
     533           0 :   if (self) {
     534           0 :     ClearWrapper(self, self, obj);
     535           0 :     AddForDeferredFinalization<mozilla::dom::DeviceOrientationEvent>(self);
     536             :   }
     537           0 : }
     538             : 
     539             : static void
     540           0 : _objectMoved(JSObject* obj, const JSObject* old)
     541             : {
     542           0 :   mozilla::dom::DeviceOrientationEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DeviceOrientationEvent>(obj);
     543           0 :   if (self) {
     544           0 :     UpdateWrapper(self, self, obj, old);
     545             :   }
     546           0 : }
     547             : 
     548             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     549             : #if defined(__clang__)
     550             : #pragma clang diagnostic push
     551             : #pragma clang diagnostic ignored "-Wmissing-braces"
     552             : #endif
     553             : static const JSFunctionSpec sMethods_specs[] = {
     554             :   JS_FNSPEC("initDeviceOrientationEvent", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&initDeviceOrientationEvent_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
     555             :   JS_FS_END
     556             : };
     557             : #if defined(__clang__)
     558             : #pragma clang diagnostic pop
     559             : #endif
     560             : 
     561             : 
     562             : // Can't be const because the pref-enabled boolean needs to be writable
     563             : static Prefable<const JSFunctionSpec> sMethods[] = {
     564             :   { nullptr, &sMethods_specs[0] },
     565             :   { nullptr, nullptr }
     566             : };
     567             : 
     568             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     569             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     570             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     571             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     572             : 
     573             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     574             : #if defined(__clang__)
     575             : #pragma clang diagnostic push
     576             : #pragma clang diagnostic ignored "-Wmissing-braces"
     577             : #endif
     578             : static const JSPropertySpec sAttributes_specs[] = {
     579             :   { "alpha", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &alpha_getterinfo, nullptr, nullptr },
     580             :   { "beta", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &beta_getterinfo, nullptr, nullptr },
     581             :   { "gamma", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &gamma_getterinfo, nullptr, nullptr },
     582             :   { "absolute", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &absolute_getterinfo, nullptr, nullptr },
     583             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     584             : };
     585             : #if defined(__clang__)
     586             : #pragma clang diagnostic pop
     587             : #endif
     588             : 
     589             : 
     590             : // Can't be const because the pref-enabled boolean needs to be writable
     591             : static Prefable<const JSPropertySpec> sAttributes[] = {
     592             :   { nullptr, &sAttributes_specs[0] },
     593             :   { nullptr, nullptr }
     594             : };
     595             : 
     596             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     597             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     598             : static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     599             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     600             : 
     601             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     602             : #if defined(__clang__)
     603             : #pragma clang diagnostic push
     604             : #pragma clang diagnostic ignored "-Wmissing-braces"
     605             : #endif
     606             : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
     607             :   { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
     608             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     609             : };
     610             : #if defined(__clang__)
     611             : #pragma clang diagnostic pop
     612             : #endif
     613             : 
     614             : 
     615             : // Can't be const because the pref-enabled boolean needs to be writable
     616             : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
     617             :   { nullptr, &sUnforgeableAttributes_specs[0] },
     618             :   { nullptr, nullptr }
     619             : };
     620             : 
     621             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     622             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     623             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     624             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     625             : 
     626             : 
     627             : static uint16_t sNativeProperties_sortedPropertyIndices[6];
     628             : static PropertyInfo sNativeProperties_propertyInfos[6];
     629             : 
     630             : static const NativePropertiesN<3> sNativeProperties = {
     631             :   false, 0,
     632             :   false, 0,
     633             :   true,  0 /* sMethods */,
     634             :   true,  1 /* sAttributes */,
     635             :   false, 0,
     636             :   true,  2 /* sUnforgeableAttributes */,
     637             :   false, 0,
     638             :   -1,
     639             :   6,
     640             :   sNativeProperties_sortedPropertyIndices,
     641             :   {
     642             :     { sMethods, &sNativeProperties_propertyInfos[0] },
     643             :     { sAttributes, &sNativeProperties_propertyInfos[1] },
     644             :     { sUnforgeableAttributes, &sNativeProperties_propertyInfos[5] }
     645             :   }
     646             : };
     647             : static_assert(6 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
     648             :     "We have a property info count that is oversized");
     649             : 
     650             : static bool
     651           0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
     652             : {
     653           0 :   JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
     654           0 :   JS::Rooted<JSObject*> obj(cx, &args.callee());
     655           0 :   if (!args.isConstructing()) {
     656             :     // XXXbz wish I could get the name from the callee instead of
     657             :     // Adding more relocations
     658           0 :     return ThrowConstructorWithoutNew(cx, "DeviceOrientationEvent");
     659             :   }
     660             : 
     661           0 :   GlobalObject global(cx, obj);
     662           0 :   if (global.Failed()) {
     663           0 :     return false;
     664             :   }
     665             : 
     666           0 :   JS::Rooted<JSObject*> desiredProto(cx);
     667           0 :   if (!GetDesiredProto(cx, args, &desiredProto)) {
     668           0 :     return false;
     669             :   }
     670             : 
     671           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     672           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DeviceOrientationEvent");
     673             :   }
     674           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     675           0 :   binding_detail::FakeString arg0;
     676           0 :   if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
     677           0 :     return false;
     678             :   }
     679           0 :   binding_detail::FastDeviceOrientationEventInit arg1;
     680           0 :   if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of DeviceOrientationEvent.constructor", false)) {
     681           0 :     return false;
     682             :   }
     683           0 :   Maybe<JSAutoCompartment> ac;
     684           0 :   if (objIsXray) {
     685           0 :     obj = js::CheckedUnwrap(obj);
     686           0 :     if (!obj) {
     687           0 :       return false;
     688             :     }
     689           0 :     ac.emplace(cx, obj);
     690           0 :     if (!JS_WrapObject(cx, &desiredProto)) {
     691           0 :       return false;
     692             :     }
     693             :   }
     694           0 :   binding_detail::FastErrorResult rv;
     695           0 :   auto result(StrongOrRawPtr<mozilla::dom::DeviceOrientationEvent>(mozilla::dom::DeviceOrientationEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
     696           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     697           0 :     return false;
     698             :   }
     699           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     700             :   static_assert(!IsPointer<decltype(result)>::value,
     701             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     702           0 :   if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
     703           0 :     MOZ_ASSERT(true || JS_IsExceptionPending(cx));
     704           0 :     return false;
     705             :   }
     706           0 :   return true;
     707             : }
     708             : 
     709             : static const js::ClassOps sInterfaceObjectClassOps = {
     710             :     nullptr,               /* addProperty */
     711             :     nullptr,               /* delProperty */
     712             :     nullptr,               /* getProperty */
     713             :     nullptr,               /* setProperty */
     714             :     nullptr,               /* enumerate */
     715             :     nullptr,               /* newEnumerate */
     716             :     nullptr,               /* resolve */
     717             :     nullptr,               /* mayResolve */
     718             :     nullptr,               /* finalize */
     719             :     _constructor, /* call */
     720             :     nullptr,               /* hasInstance */
     721             :     _constructor, /* construct */
     722             :     nullptr,               /* trace */
     723             : };
     724             : 
     725             : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
     726             :   {
     727             :     "Function",
     728             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
     729             :     &sInterfaceObjectClassOps,
     730             :     JS_NULL_CLASS_SPEC,
     731             :     JS_NULL_CLASS_EXT,
     732             :     &sInterfaceObjectClassObjectOps
     733             :   },
     734             :   eInterface,
     735             :   true,
     736             :   prototypes::id::DeviceOrientationEvent,
     737             :   PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth,
     738             :   sNativePropertyHooks,
     739             :   "function DeviceOrientationEvent() {\n    [native code]\n}",
     740             :   EventBinding::GetConstructorObject
     741             : };
     742             : 
     743             : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
     744             :   {
     745             :     "DeviceOrientationEventPrototype",
     746             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
     747             :     JS_NULL_CLASS_OPS,
     748             :     JS_NULL_CLASS_SPEC,
     749             :     JS_NULL_CLASS_EXT,
     750             :     JS_NULL_OBJECT_OPS
     751             :   },
     752             :   eInterfacePrototype,
     753             :   false,
     754             :   prototypes::id::DeviceOrientationEvent,
     755             :   PrototypeTraits<prototypes::id::DeviceOrientationEvent>::Depth,
     756             :   sNativePropertyHooks,
     757             :   "[object DeviceOrientationEventPrototype]",
     758             :   EventBinding::GetProtoObject
     759             : };
     760             : 
     761             : JSObject*
     762           0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
     763             : {
     764           0 :   return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
     765             : }
     766             : 
     767             : static const js::ClassOps sClassOps = {
     768             :   _addProperty, /* addProperty */
     769             :   nullptr,               /* delProperty */
     770             :   nullptr,               /* getProperty */
     771             :   nullptr,               /* setProperty */
     772             :   nullptr,               /* enumerate */
     773             :   nullptr, /* newEnumerate */
     774             :   nullptr, /* resolve */
     775             :   nullptr, /* mayResolve */
     776             :   _finalize, /* finalize */
     777             :   nullptr, /* call */
     778             :   nullptr,               /* hasInstance */
     779             :   nullptr,               /* construct */
     780             :   nullptr, /* trace */
     781             : };
     782             : 
     783             : static const js::ClassExtension sClassExtension = {
     784             :   nullptr, /* weakmapKeyDelegateOp */
     785             :   _objectMoved /* objectMovedOp */
     786             : };
     787             : 
     788             : static const DOMJSClass sClass = {
     789             :   { "DeviceOrientationEvent",
     790             :     JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
     791             :     &sClassOps,
     792             :     JS_NULL_CLASS_SPEC,
     793             :     &sClassExtension,
     794             :     JS_NULL_OBJECT_OPS
     795             :   },
     796             :   { prototypes::id::Event, prototypes::id::DeviceOrientationEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
     797             :   IsBaseOf<nsISupports, mozilla::dom::DeviceOrientationEvent >::value,
     798             :   sNativePropertyHooks,
     799             :   FindAssociatedGlobalForNative<mozilla::dom::DeviceOrientationEvent>::Get,
     800             :   GetProtoObjectHandle,
     801             :   GetCCParticipant<mozilla::dom::DeviceOrientationEvent>::Get()
     802             : };
     803             : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
     804             :               "Must have the right minimal number of reserved slots.");
     805             : static_assert(1 >= 1,
     806             :               "Must have enough reserved slots.");
     807             : 
     808             : const JSClass*
     809           0 : GetJSClass()
     810             : {
     811           0 :   return sClass.ToJSClass();
     812             : }
     813             : 
     814             : bool
     815           0 : Wrap(JSContext* aCx, mozilla::dom::DeviceOrientationEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
     816             : {
     817             :   MOZ_ASSERT(static_cast<mozilla::dom::DeviceOrientationEvent*>(aObject) ==
     818             :              reinterpret_cast<mozilla::dom::DeviceOrientationEvent*>(aObject),
     819             :              "Multiple inheritance for mozilla::dom::DeviceOrientationEvent is broken.");
     820             :   MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
     821             :              reinterpret_cast<mozilla::dom::Event*>(aObject),
     822             :              "Multiple inheritance for mozilla::dom::Event is broken.");
     823           0 :   MOZ_ASSERT(ToSupportsIsCorrect(aObject));
     824           0 :   MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
     825           0 :   MOZ_ASSERT(!aCache->GetWrapper(),
     826             :              "You should probably not be using Wrap() directly; use "
     827             :              "GetOrCreateDOMReflector instead");
     828             : 
     829           0 :   MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
     830             :              "nsISupports must be on our primary inheritance chain");
     831             : 
     832           0 :   JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
     833           0 :   if (!global) {
     834           0 :     return false;
     835             :   }
     836           0 :   MOZ_ASSERT(JS_IsGlobalObject(global));
     837           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(global));
     838             : 
     839             :   // That might have ended up wrapping us already, due to the wonders
     840             :   // of XBL.  Check for that, and bail out as needed.
     841           0 :   aReflector.set(aCache->GetWrapper());
     842           0 :   if (aReflector) {
     843             : #ifdef DEBUG
     844           0 :     binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
     845             : #endif // DEBUG
     846           0 :     return true;
     847             :   }
     848             : 
     849           0 :   JSAutoCompartment ac(aCx, global);
     850           0 :   JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
     851           0 :   if (!canonicalProto) {
     852           0 :     return false;
     853             :   }
     854           0 :   JS::Rooted<JSObject*> proto(aCx);
     855           0 :   if (aGivenProto) {
     856           0 :     proto = aGivenProto;
     857             :     // Unfortunately, while aGivenProto was in the compartment of aCx
     858             :     // coming in, we changed compartments to that of "parent" so may need
     859             :     // to wrap the proto here.
     860           0 :     if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
     861           0 :       if (!JS_WrapObject(aCx, &proto)) {
     862           0 :         return false;
     863             :       }
     864             :     }
     865             :   } else {
     866           0 :     proto = canonicalProto;
     867             :   }
     868             : 
     869           0 :   BindingJSObjectCreator<mozilla::dom::DeviceOrientationEvent> creator(aCx);
     870           0 :   creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
     871           0 :   if (!aReflector) {
     872           0 :     return false;
     873             :   }
     874             : 
     875           0 :   aCache->SetWrapper(aReflector);
     876             : 
     877             :   // Important: do unforgeable property setup after we have handed
     878             :   // over ownership of the C++ object to obj as needed, so that if
     879             :   // we fail and it ends up GCed it won't have problems in the
     880             :   // finalizer trying to drop its ownership of the C++ object.
     881             :   JS::Rooted<JSObject*> unforgeableHolder(aCx,
     882           0 :     &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
     883           0 :   if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
     884           0 :     aCache->ReleaseWrapper(aObject);
     885           0 :     aCache->ClearWrapper();
     886           0 :     return false;
     887             :   }
     888           0 :   creator.InitializationSucceeded();
     889             : 
     890           0 :   MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
     891             :              aCache->GetWrapperPreserveColor() == aReflector);
     892             :   // If proto != canonicalProto, we have to preserve our wrapper;
     893             :   // otherwise we won't be able to properly recreate it later, since
     894             :   // we won't know what proto to use.  Note that we don't check
     895             :   // aGivenProto here, since it's entirely possible (and even
     896             :   // somewhat common) to have a non-null aGivenProto which is the
     897             :   // same as canonicalProto.
     898           0 :   if (proto != canonicalProto) {
     899           0 :     PreserveWrapper(aObject);
     900             :   }
     901             : 
     902           0 :   return true;
     903             : }
     904             : 
     905             : const NativePropertyHooks sNativePropertyHooks[] = { {
     906             :   nullptr,
     907             :   nullptr,
     908             :   nullptr,
     909             :   { sNativeProperties.Upcast(), nullptr },
     910             :   prototypes::id::DeviceOrientationEvent,
     911             :   constructors::id::DeviceOrientationEvent,
     912             :   EventBinding::sNativePropertyHooks,
     913             :   &DefaultXrayExpandoObjectClass
     914             : } };
     915             : 
     916             : void
     917           0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
     918             : {
     919           0 :   JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
     920           0 :   if (!parentProto) {
     921           0 :     return;
     922             :   }
     923             : 
     924           0 :   JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
     925           0 :   if (!constructorProto) {
     926           0 :     return;
     927             :   }
     928             : 
     929             :   static bool sIdsInited = false;
     930           0 :   if (!sIdsInited && NS_IsMainThread()) {
     931           0 :     if (!InitIds(aCx, sNativeProperties.Upcast())) {
     932           0 :       return;
     933             :     }
     934           0 :     sIdsInited = true;
     935             :   }
     936             : 
     937           0 :   JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DeviceOrientationEvent);
     938           0 :   JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DeviceOrientationEvent);
     939           0 :   dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
     940             :                               &sPrototypeClass.mBase, protoCache,
     941             :                               constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
     942             :                               interfaceCache,
     943             :                               sNativeProperties.Upcast(),
     944             :                               nullptr,
     945             :                               "DeviceOrientationEvent", aDefineOnGlobal,
     946             :                               nullptr,
     947           0 :                               false);
     948             : 
     949           0 :   JS::Rooted<JSObject*> unforgeableHolder(aCx);
     950             :   {
     951           0 :     JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
     952           0 :     unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
     953           0 :     if (!unforgeableHolder) {
     954           0 :       *protoCache = nullptr;
     955           0 :       if (interfaceCache) {
     956           0 :         *interfaceCache = nullptr;
     957             :       }
     958           0 :       return;
     959             :     }
     960             :   }
     961             : 
     962           0 :   if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
     963           0 :     *protoCache = nullptr;
     964           0 :     if (interfaceCache) {
     965           0 :       *interfaceCache = nullptr;
     966             :     }
     967           0 :     return;
     968             :   }
     969             : 
     970           0 :   if (*protoCache) {
     971           0 :     js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
     972           0 :                         JS::ObjectValue(*unforgeableHolder));
     973             :   }
     974             : }
     975             : 
     976             : JS::Handle<JSObject*>
     977           0 : GetProtoObjectHandle(JSContext* aCx)
     978             : {
     979             :   /* Get the interface prototype object for this class.  This will create the
     980             :      object as needed. */
     981           0 :   bool aDefineOnGlobal = true;
     982             : 
     983             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     984           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     985           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     986           0 :     return nullptr;
     987             :   }
     988             : 
     989             :   /* Check to see whether the interface objects are already installed */
     990           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     991           0 :   if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::DeviceOrientationEvent)) {
     992           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     993           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     994             :   }
     995             : 
     996             :   /*
     997             :    * The object might _still_ be null, but that's OK.
     998             :    *
     999             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
    1000             :    * traced by TraceProtoAndIfaceCache() and its contents are never
    1001             :    * changed after they have been set.
    1002             :    *
    1003             :    * Calling address() avoids the read read barrier that does gray
    1004             :    * unmarking, but it's not possible for the object to be gray here.
    1005             :    */
    1006             : 
    1007           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::DeviceOrientationEvent);
    1008           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
    1009           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
    1010             : }
    1011             : 
    1012             : JS::Handle<JSObject*>
    1013           0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
    1014             : {
    1015             :   /* Get the interface object for this class.  This will create the object as
    1016             :      needed. */
    1017             : 
    1018             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
    1019           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
    1020           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
    1021           0 :     return nullptr;
    1022             :   }
    1023             : 
    1024             :   /* Check to see whether the interface objects are already installed */
    1025           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
    1026           0 :   if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::DeviceOrientationEvent)) {
    1027           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
    1028           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
    1029             :   }
    1030             : 
    1031             :   /*
    1032             :    * The object might _still_ be null, but that's OK.
    1033             :    *
    1034             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
    1035             :    * traced by TraceProtoAndIfaceCache() and its contents are never
    1036             :    * changed after they have been set.
    1037             :    *
    1038             :    * Calling address() avoids the read read barrier that does gray
    1039             :    * unmarking, but it's not possible for the object to be gray here.
    1040             :    */
    1041             : 
    1042           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::DeviceOrientationEvent);
    1043           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
    1044           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
    1045             : }
    1046             : 
    1047             : JSObject*
    1048           0 : GetConstructorObject(JSContext* aCx)
    1049             : {
    1050           0 :   return GetConstructorObjectHandle(aCx);
    1051             : }
    1052             : 
    1053             : } // namespace DeviceOrientationEventBinding
    1054             : 
    1055             : 
    1056             : 
    1057             : } // namespace dom
    1058             : } // namespace mozilla

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