/* THIS FILE IS AUTOGENERATED FROM DeviceMotionEvent.webidl BY Codegen.py - DO NOT EDIT */ #include #include "AtomList.h" #include "DeviceMotionEventBinding.h" #include "EventBinding.h" #include "MainThreadUtils.h" #include "WrapperFactory.h" #include "js/CallAndConstruct.h" #include "js/Exception.h" #include "js/MapAndSet.h" #include "js/Object.h" #include "js/PropertyAndElement.h" #include "js/PropertyDescriptor.h" #include "js/experimental/JitInfo.h" #include "mozilla/Atomics.h" #include "mozilla/FloatingPoint.h" #include "mozilla/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/StaticPrefs_device.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/DeviceMotionEvent.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/Nullable.h" #include "mozilla/dom/PrimitiveConversions.h" #include "mozilla/dom/ScriptSettings.h" #include "mozilla/dom/SimpleGlobalObject.h" #include "mozilla/dom/XrayExpandoClass.h" #include "nsGlobalWindowInner.h" namespace mozilla::dom { namespace binding_detail {}; // Just to make sure it's known as a namespace using namespace mozilla::dom::binding_detail; DeviceAccelerationInit::DeviceAccelerationInit() { // Safe to pass a null context if we pass a null value Init(nullptr, JS::NullHandleValue); } bool DeviceAccelerationInit::InitIds(JSContext* cx, DeviceAccelerationInitAtoms* atomsCache) { MOZ_ASSERT(reinterpret_cast(atomsCache)->isVoid()); // Initialize these in reverse order so that any failure leaves the first one // uninitialized. if (!atomsCache->z_id.init(cx, "z") || !atomsCache->y_id.init(cx, "y") || !atomsCache->x_id.init(cx, "x")) { return false; } return true; } bool DeviceAccelerationInit::Init(BindingCallContext& cx, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // Passing a null JSContext is OK only if we're initing from null, // Since in that case we will not have to do any property gets // Also evaluate isNullOrUndefined in order to avoid false-positive // checkers by static analysis tools MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined()); DeviceAccelerationInitAtoms* atomsCache = nullptr; if (cx) { atomsCache = GetAtomCache(cx); if (reinterpret_cast(atomsCache)->isVoid() && !InitIds(cx, atomsCache)) { return false; } } if (!IsConvertibleToDictionary(val)) { return cx.ThrowErrorMessage(sourceDescription, "dictionary"); } bool isNull = val.isNullOrUndefined(); // We only need these if !isNull, in which case we have |cx|. Maybe > object; Maybe > temp; if (!isNull) { MOZ_ASSERT(cx); object.emplace(cx, &val.toObject()); temp.emplace(cx); } if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->x_id, temp.ptr())) { return false; } } if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) { mX.SetNull(); } else if (!ValueToPrimitive(cx, temp.ref(), "'x' member of DeviceAccelerationInit", &mX.SetValue())) { return false; } else if (!std::isfinite(mX.Value())) { cx.ThrowErrorMessage("'x' member of DeviceAccelerationInit"); return false; } mIsAnyMemberPresent = true; if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->y_id, temp.ptr())) { return false; } } if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) { mY.SetNull(); } else if (!ValueToPrimitive(cx, temp.ref(), "'y' member of DeviceAccelerationInit", &mY.SetValue())) { return false; } else if (!std::isfinite(mY.Value())) { cx.ThrowErrorMessage("'y' member of DeviceAccelerationInit"); return false; } mIsAnyMemberPresent = true; if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->z_id, temp.ptr())) { return false; } } if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) { mZ.SetNull(); } else if (!ValueToPrimitive(cx, temp.ref(), "'z' member of DeviceAccelerationInit", &mZ.SetValue())) { return false; } else if (!std::isfinite(mZ.Value())) { cx.ThrowErrorMessage("'z' member of DeviceAccelerationInit"); return false; } mIsAnyMemberPresent = true; return true; } bool DeviceAccelerationInit::Init(JSContext* cx_, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // We don't want to use sourceDescription for our context here; // that's not really what it's formatted for. BindingCallContext cx(cx_, nullptr); return Init(cx, val, sourceDescription, passedToJSImpl); } void DeviceAccelerationInit::TraceDictionary(JSTracer* trc) { } DeviceAccelerationInit& DeviceAccelerationInit::operator=(const DeviceAccelerationInit& aOther) { MaybeEmptyDictionaryBase::operator=(aOther); mX = aOther.mX; mY = aOther.mY; mZ = aOther.mZ; return *this; } DeviceRotationRateInit::DeviceRotationRateInit() { // Safe to pass a null context if we pass a null value Init(nullptr, JS::NullHandleValue); } bool DeviceRotationRateInit::InitIds(JSContext* cx, DeviceRotationRateInitAtoms* atomsCache) { MOZ_ASSERT(reinterpret_cast(atomsCache)->isVoid()); // Initialize these in reverse order so that any failure leaves the first one // uninitialized. if (!atomsCache->gamma_id.init(cx, "gamma") || !atomsCache->beta_id.init(cx, "beta") || !atomsCache->alpha_id.init(cx, "alpha")) { return false; } return true; } bool DeviceRotationRateInit::Init(BindingCallContext& cx, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // Passing a null JSContext is OK only if we're initing from null, // Since in that case we will not have to do any property gets // Also evaluate isNullOrUndefined in order to avoid false-positive // checkers by static analysis tools MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined()); DeviceRotationRateInitAtoms* atomsCache = nullptr; if (cx) { atomsCache = GetAtomCache(cx); if (reinterpret_cast(atomsCache)->isVoid() && !InitIds(cx, atomsCache)) { return false; } } if (!IsConvertibleToDictionary(val)) { return cx.ThrowErrorMessage(sourceDescription, "dictionary"); } bool isNull = val.isNullOrUndefined(); // We only need these if !isNull, in which case we have |cx|. Maybe > object; Maybe > temp; if (!isNull) { MOZ_ASSERT(cx); object.emplace(cx, &val.toObject()); temp.emplace(cx); } if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->alpha_id, temp.ptr())) { return false; } } if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) { mAlpha.SetNull(); } else if (!ValueToPrimitive(cx, temp.ref(), "'alpha' member of DeviceRotationRateInit", &mAlpha.SetValue())) { return false; } else if (!std::isfinite(mAlpha.Value())) { cx.ThrowErrorMessage("'alpha' member of DeviceRotationRateInit"); return false; } mIsAnyMemberPresent = true; if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->beta_id, temp.ptr())) { return false; } } if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) { mBeta.SetNull(); } else if (!ValueToPrimitive(cx, temp.ref(), "'beta' member of DeviceRotationRateInit", &mBeta.SetValue())) { return false; } else if (!std::isfinite(mBeta.Value())) { cx.ThrowErrorMessage("'beta' member of DeviceRotationRateInit"); return false; } mIsAnyMemberPresent = true; if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->gamma_id, temp.ptr())) { return false; } } if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) { mGamma.SetNull(); } else if (!ValueToPrimitive(cx, temp.ref(), "'gamma' member of DeviceRotationRateInit", &mGamma.SetValue())) { return false; } else if (!std::isfinite(mGamma.Value())) { cx.ThrowErrorMessage("'gamma' member of DeviceRotationRateInit"); return false; } mIsAnyMemberPresent = true; return true; } bool DeviceRotationRateInit::Init(JSContext* cx_, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // We don't want to use sourceDescription for our context here; // that's not really what it's formatted for. BindingCallContext cx(cx_, nullptr); return Init(cx, val, sourceDescription, passedToJSImpl); } void DeviceRotationRateInit::TraceDictionary(JSTracer* trc) { } DeviceRotationRateInit& DeviceRotationRateInit::operator=(const DeviceRotationRateInit& aOther) { MaybeEmptyDictionaryBase::operator=(aOther); mAlpha = aOther.mAlpha; mBeta = aOther.mBeta; mGamma = aOther.mGamma; return *this; } DeviceMotionEventInit::DeviceMotionEventInit() : EventInit(FastDictionaryInitializer()), mAcceleration(FastDictionaryInitializer()), mAccelerationIncludingGravity(FastDictionaryInitializer()), mRotationRate(FastDictionaryInitializer()) { // Safe to pass a null context if we pass a null value Init(nullptr, JS::NullHandleValue); } bool DeviceMotionEventInit::InitIds(JSContext* cx, DeviceMotionEventInitAtoms* atomsCache) { MOZ_ASSERT(reinterpret_cast(atomsCache)->isVoid()); // Initialize these in reverse order so that any failure leaves the first one // uninitialized. if (!atomsCache->rotationRate_id.init(cx, "rotationRate") || !atomsCache->interval_id.init(cx, "interval") || !atomsCache->accelerationIncludingGravity_id.init(cx, "accelerationIncludingGravity") || !atomsCache->acceleration_id.init(cx, "acceleration")) { return false; } return true; } bool DeviceMotionEventInit::Init(BindingCallContext& cx, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // Passing a null JSContext is OK only if we're initing from null, // Since in that case we will not have to do any property gets // Also evaluate isNullOrUndefined in order to avoid false-positive // checkers by static analysis tools MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined()); DeviceMotionEventInitAtoms* atomsCache = nullptr; if (cx) { atomsCache = GetAtomCache(cx); if (reinterpret_cast(atomsCache)->isVoid() && !InitIds(cx, atomsCache)) { return false; } } // Per spec, we init the parent's members first if (!EventInit::Init(cx, val)) { return false; } bool isNull = val.isNullOrUndefined(); // We only need these if !isNull, in which case we have |cx|. Maybe > object; Maybe > temp; if (!isNull) { MOZ_ASSERT(cx); object.emplace(cx, &val.toObject()); temp.emplace(cx); } if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->acceleration_id, temp.ptr())) { return false; } } if (!mAcceleration.Init(cx, (!isNull && !temp->isUndefined()) ? temp.ref() : JS::NullHandleValue, "'acceleration' member of DeviceMotionEventInit", passedToJSImpl)) { return false; } mIsAnyMemberPresent = true; if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->accelerationIncludingGravity_id, temp.ptr())) { return false; } } if (!mAccelerationIncludingGravity.Init(cx, (!isNull && !temp->isUndefined()) ? temp.ref() : JS::NullHandleValue, "'accelerationIncludingGravity' member of DeviceMotionEventInit", passedToJSImpl)) { return false; } mIsAnyMemberPresent = true; if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->interval_id, temp.ptr())) { return false; } } if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) { mInterval.SetNull(); } else if (!ValueToPrimitive(cx, temp.ref(), "'interval' member of DeviceMotionEventInit", &mInterval.SetValue())) { return false; } else if (!std::isfinite(mInterval.Value())) { cx.ThrowErrorMessage("'interval' member of DeviceMotionEventInit"); return false; } mIsAnyMemberPresent = true; if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->rotationRate_id, temp.ptr())) { return false; } } if (!mRotationRate.Init(cx, (!isNull && !temp->isUndefined()) ? temp.ref() : JS::NullHandleValue, "'rotationRate' member of DeviceMotionEventInit", passedToJSImpl)) { return false; } mIsAnyMemberPresent = true; return true; } bool DeviceMotionEventInit::Init(JSContext* cx_, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // We don't want to use sourceDescription for our context here; // that's not really what it's formatted for. BindingCallContext cx(cx_, nullptr); return Init(cx, val, sourceDescription, passedToJSImpl); } void DeviceMotionEventInit::TraceDictionary(JSTracer* trc) { EventInit::TraceDictionary(trc); } DeviceMotionEventInit& DeviceMotionEventInit::operator=(const DeviceMotionEventInit& aOther) { EventInit::operator=(aOther); mAcceleration = aOther.mAcceleration; mAccelerationIncludingGravity = aOther.mAccelerationIncludingGravity; mInterval = aOther.mInterval; mRotationRate = aOther.mRotationRate; return *this; } namespace DeviceAcceleration_Binding { MOZ_CAN_RUN_SCRIPT static bool get_x(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceAcceleration", "x", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable result(MOZ_KnownLive(self)->GetX()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result.IsNull()) { args.rval().setNull(); return true; } args.rval().set(JS::NumberValue(double(result.Value()))); return true; } static const JSJitInfo x_getterinfo = { { get_x }, { prototypes::id::DeviceAcceleration }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_y(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceAcceleration", "y", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable result(MOZ_KnownLive(self)->GetY()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result.IsNull()) { args.rval().setNull(); return true; } args.rval().set(JS::NumberValue(double(result.Value()))); return true; } static const JSJitInfo y_getterinfo = { { get_y }, { prototypes::id::DeviceAcceleration }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_z(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceAcceleration", "z", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable result(MOZ_KnownLive(self)->GetZ()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result.IsNull()) { args.rval().setNull(); return true; } args.rval().set(JS::NumberValue(double(result.Value()))); return true; } static const JSJitInfo z_getterinfo = { { get_z }, { prototypes::id::DeviceAcceleration }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::DeviceAcceleration* self = UnwrapPossiblyNotInitializedDOMObject(obj); if (self) { JS::SetNativeObjectReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue()); ClearWrapper(self, self, obj); if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) { JS::RemoveAssociatedMemory(obj, mallocBytes, JS::MemoryUse::DOMBinding); } AddForDeferredFinalization(self); } } MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = { JSPropertySpec::nativeAccessors("x", JSPROP_ENUMERATE, GenericGetter, &x_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("y", JSPROP_ENUMERATE, GenericGetter, &y_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("z", JSPROP_ENUMERATE, GenericGetter, &z_getterinfo, nullptr, nullptr), JS_PS_END }; static const Prefable sAttributes[] = { { nullptr, &sAttributes_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); static uint16_t sNativeProperties_sortedPropertyIndices[3]; static PropertyInfo sNativeProperties_propertyInfos[3]; static const NativePropertiesN<1> sNativeProperties = { false, 0, false, 0, false, 0, true, 0 /* sAttributes */, false, 0, false, 0, false, 0, -1, 3, sNativeProperties_sortedPropertyIndices, { { sAttributes, &sNativeProperties_propertyInfos[0] } } }; static_assert(3 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { nullptr, { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited }, prototypes::id::DeviceAcceleration, constructors::id::_ID_Count, &DefaultXrayExpandoObjectClass }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "DeviceAccelerationPrototype", JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), JS_NULL_CLASS_OPS, JS_NULL_CLASS_SPEC, JS_NULL_CLASS_EXT, JS_NULL_OBJECT_OPS }, eInterfacePrototype, prototypes::id::DeviceAcceleration, PrototypeTraits::Depth, &sNativePropertyHooks, JS::GetRealmObjectPrototype }; static JS::Handle GetProtoObjectHandle(JSContext* aCx); static const JSClassOps sClassOps = { nullptr, /* addProperty */ nullptr, /* delProperty */ nullptr, /* enumerate */ nullptr, /* newEnumerate */ nullptr, /* resolve */ nullptr, /* mayResolve */ _finalize, /* finalize */ nullptr, /* call */ nullptr, /* construct */ nullptr, /* trace */ }; static const DOMJSClass sClass = { { "DeviceAcceleration", JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_PRESERVES_WRAPPER, &sClassOps, JS_NULL_CLASS_SPEC, &NativeTypeHelpers::sClassExtension, JS_NULL_OBJECT_OPS }, { prototypes::id::DeviceAcceleration, 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 }, std::is_base_of_v, &sNativePropertyHooks, GetProtoObjectHandle, GetCCParticipant::Get(), nullptr, NativeTypeHelpers::GetWrapperCache }; static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, "Must have the right minimal number of reserved slots."); static_assert(1 >= 1, "Must have enough reserved slots."); bool Wrap(JSContext* aCx, mozilla::dom::DeviceAcceleration* aObject, nsWrapperCache* aCache, JS::Handle aGivenProto, JS::MutableHandle aReflector) { static_assert(!std::is_base_of_v, "Shouldn't have wrappercached things that are not refcounted."); static_assert(std::is_same_v); MOZ_ASSERT(ToSupportsIsCorrect(aObject)); MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); MOZ_ASSERT(!aCache->GetWrapper(), "You should probably not be using Wrap() directly; use " "GetOrCreateDOMReflector instead"); MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), "nsISupports must be on our primary inheritance chain"); // If the wrapper cache contains a dead reflector then finalize that // now, ensuring that the finalizer for the old reflector always // runs before the new reflector is created and attached. This // avoids the awkward situation where there are multiple reflector // objects that contain pointers to the same native. if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) { _finalize(nullptr /* unused */, oldReflector); MOZ_ASSERT(!aCache->GetWrapperMaybeDead()); } JS::Rooted global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); if (!global) { return false; } MOZ_ASSERT(JS_IsGlobalObject(global)); JS::AssertObjectIsNotGray(global); // That might have ended up wrapping us already, due to the wonders // of XBL. Check for that, and bail out as needed. aReflector.set(aCache->GetWrapper()); if (aReflector) { #ifdef DEBUG AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); #endif // DEBUG return true; } JSAutoRealm ar(aCx, global); JS::Handle canonicalProto = GetProtoObjectHandle(aCx); if (!canonicalProto) { return false; } JS::Rooted proto(aCx); if (aGivenProto) { proto = aGivenProto; // Unfortunately, while aGivenProto was in the compartment of aCx // coming in, we changed compartments to that of "parent" so may need // to wrap the proto here. if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) { if (!JS_WrapObject(aCx, &proto)) { return false; } } } else { proto = canonicalProto; } BindingJSObjectCreator creator(aCx); creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); if (!aReflector) { return false; } aCache->SetWrapper(aReflector); creator.InitializationSucceeded(); MOZ_ASSERT(aCache->GetWrapperPreserveColor() && aCache->GetWrapperPreserveColor() == aReflector); // If proto != canonicalProto, we have to preserve our wrapper; // otherwise we won't be able to properly recreate it later, since // we won't know what proto to use. Note that we don't check // aGivenProto here, since it's entirely possible (and even // somewhat common) to have a non-null aGivenProto which is the // same as canonicalProto. if (proto != canonicalProto) { PreserveWrapper(aObject); } return true; } void CreateInterfaceObjects(JSContext* aCx, JS::Handle aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DeviceAcceleration); JS::Heap* interfaceCache = nullptr; JS::Handle parentProto(JS::GetRealmObjectPrototypeHandle(aCx)); if (!parentProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, nullptr, nullptr, 0, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "DeviceAcceleration", aDefineOnGlobal != DefineInterfaceProperty::No, nullptr, false, nullptr); } static JS::Handle GetProtoObjectHandle(JSContext* aCx) { /* Get the interface prototype object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, prototypes::id::DeviceAcceleration, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace DeviceAcceleration_Binding namespace DeviceMotionEvent_Binding { static_assert(IsRefcounted::value == IsRefcounted::value, "Can't inherit from an interface with a different ownership model."); MOZ_CAN_RUN_SCRIPT static bool get_acceleration(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceMotionEvent", "acceleration", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetAcceleration())); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!result) { args.rval().setNull(); return true; } if (!GetOrCreateDOMReflector(cx, result, args.rval())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo acceleration_getterinfo = { { get_acceleration }, { prototypes::id::DeviceMotionEvent }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_accelerationIncludingGravity(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceMotionEvent", "accelerationIncludingGravity", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetAccelerationIncludingGravity())); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!result) { args.rval().setNull(); return true; } if (!GetOrCreateDOMReflector(cx, result, args.rval())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo accelerationIncludingGravity_getterinfo = { { get_accelerationIncludingGravity }, { prototypes::id::DeviceMotionEvent }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_rotationRate(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceMotionEvent", "rotationRate", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetRotationRate())); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!result) { args.rval().setNull(); return true; } if (!GetOrCreateDOMReflector(cx, result, args.rval())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo rotationRate_getterinfo = { { get_rotationRate }, { prototypes::id::DeviceMotionEvent }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_interval(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceMotionEvent", "interval", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable result(MOZ_KnownLive(self)->GetInterval()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result.IsNull()) { args.rval().setNull(); return true; } args.rval().set(JS::NumberValue(double(result.Value()))); return true; } static const JSJitInfo interval_getterinfo = { { get_interval }, { prototypes::id::DeviceMotionEvent }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool initDeviceMotionEvent(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "DeviceMotionEvent.initDeviceMotionEvent"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceMotionEvent", "initDeviceMotionEvent", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "DeviceMotionEvent.initDeviceMotionEvent", 1)) { return false; } nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } bool arg1; if (args.hasDefined(1)) { if (!ValueToPrimitive(cx, args[1], "Argument 2", &arg1)) { return false; } } else { arg1 = false; } bool arg2; if (args.hasDefined(2)) { if (!ValueToPrimitive(cx, args[2], "Argument 3", &arg2)) { return false; } } else { arg2 = false; } binding_detail::FastDeviceAccelerationInit arg3; if (!arg3.Init(cx, (args.hasDefined(3)) ? args[3] : JS::NullHandleValue, "Argument 4", false)) { return false; } binding_detail::FastDeviceAccelerationInit arg4; if (!arg4.Init(cx, (args.hasDefined(4)) ? args[4] : JS::NullHandleValue, "Argument 5", false)) { return false; } binding_detail::FastDeviceRotationRateInit arg5; if (!arg5.Init(cx, (args.hasDefined(5)) ? args[5] : JS::NullHandleValue, "Argument 6", false)) { return false; } Nullable arg6; if (!(args.hasDefined(6)) || args[6].isNullOrUndefined()) { arg6.SetNull(); } else if (!ValueToPrimitive(cx, args[6], "Argument 7", &arg6.SetValue())) { return false; } else if (!std::isfinite(arg6.Value())) { cx.ThrowErrorMessage("Argument 7"); return false; } // NOTE: This assert does NOT call the function. static_assert(std::is_void_vInitDeviceMotionEvent(NonNullHelper(Constify(arg0)), arg1, arg2, Constify(arg3), Constify(arg4), Constify(arg5), Constify(arg6)))>, "Should be returning void here"); MOZ_KnownLive(self)->InitDeviceMotionEvent(NonNullHelper(Constify(arg0)), arg1, arg2, Constify(arg3), Constify(arg4), Constify(arg5), Constify(arg6)); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo initDeviceMotionEvent_methodinfo = { { (JSJitGetterOp)initDeviceMotionEvent }, { prototypes::id::DeviceMotionEvent }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_isTrusted(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceMotionEvent", "isTrusted", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); bool result(MOZ_KnownLive(self)->IsTrusted()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setBoolean(result); return true; } static const JSJitInfo isTrusted_getterinfo = { { get_isTrusted }, { prototypes::id::DeviceMotionEvent }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ true, /* isMovable. Not relevant for setters. */ true, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::DeviceMotionEvent* self = UnwrapPossiblyNotInitializedDOMObject(obj); if (self) { JS::SetNativeObjectReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue()); ClearWrapper(self, self, obj); if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) { JS::RemoveAssociatedMemory(obj, mallocBytes, JS::MemoryUse::DOMBinding); } AddForDeferredFinalization(self); } } MOZ_GLOBINIT static const JSFunctionSpec sMethods_specs[] = { JS_FNSPEC("initDeviceMotionEvent", (GenericMethod), reinterpret_cast(&initDeviceMotionEvent_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const Prefable sMethods[] = { { nullptr, &sMethods_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = { JSPropertySpec::nativeAccessors("acceleration", JSPROP_ENUMERATE, GenericGetter, &acceleration_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("accelerationIncludingGravity", JSPROP_ENUMERATE, GenericGetter, &accelerationIncludingGravity_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("rotationRate", JSPROP_ENUMERATE, GenericGetter, &rotationRate_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("interval", JSPROP_ENUMERATE, GenericGetter, &interval_getterinfo, nullptr, nullptr), JS_PS_END }; static const Prefable sAttributes[] = { { nullptr, &sAttributes_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); MOZ_GLOBINIT static const JSPropertySpec sUnforgeableAttributes_specs[] = { JSPropertySpec::nativeAccessors("isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter, &isTrusted_getterinfo, nullptr, nullptr), JS_PS_END }; static const Prefable sUnforgeableAttributes[] = { { nullptr, &sUnforgeableAttributes_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); static uint16_t sNativeProperties_sortedPropertyIndices[6]; static PropertyInfo sNativeProperties_propertyInfos[6]; static const NativePropertiesN<3> sNativeProperties = { false, 0, false, 0, true, 0 /* sMethods */, true, 1 /* sAttributes */, false, 0, true, 2 /* sUnforgeableAttributes */, false, 0, -1, 6, sNativeProperties_sortedPropertyIndices, { { sMethods, &sNativeProperties_propertyInfos[0] }, { sAttributes, &sNativeProperties_propertyInfos[1] }, { sUnforgeableAttributes, &sNativeProperties_propertyInfos[5] } } }; static_assert(6 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { nullptr, { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited }, prototypes::id::DeviceMotionEvent, constructors::id::DeviceMotionEvent, &DefaultXrayExpandoObjectClass }; static bool _constructor(JSContext* cx_, unsigned argc, JS::Value* vp) { BindingCallContext cx(cx_, "DeviceMotionEvent constructor"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceMotionEvent", "constructor", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); JS::CallArgs args = JS::CallArgsFromVp(argc, vp); JS::Rooted obj(cx, &args.callee()); if (!args.isConstructing()) { return ThrowConstructorWithoutNew(cx, "DeviceMotionEvent"); } JS::Rooted desiredProto(cx); if (!GetDesiredProto(cx, args, prototypes::id::DeviceMotionEvent, CreateInterfaceObjects, &desiredProto)) { return false; } if (!args.requireAtLeast(cx, "DeviceMotionEvent constructor", 1)) { return false; } GlobalObject global(cx, obj); if (global.Failed()) { return false; } bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } binding_detail::FastDeviceMotionEventInit arg1; if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2", false)) { return false; } Maybe ar; if (objIsXray) { // Since our object is an Xray, we can just CheckedUnwrapStatic: // we know Xrays have no dynamic unwrap behavior. obj = js::CheckedUnwrapStatic(obj); if (!obj) { return false; } ar.emplace(cx, obj); if (!JS_WrapObject(cx, &desiredProto)) { return false; } } auto result(StrongOrRawPtr(mozilla::dom::DeviceMotionEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1)))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const DOMInterfaceInfo sInterfaceObjectInfo = { { _constructor, &sNativePropertyHooks }, Event_Binding::GetConstructorObjectHandle, PrototypeTraits::Depth, prototypes::id::DeviceMotionEvent, true, 1, "DeviceMotionEvent", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "DeviceMotionEventPrototype", JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */), JS_NULL_CLASS_OPS, JS_NULL_CLASS_SPEC, JS_NULL_CLASS_EXT, JS_NULL_OBJECT_OPS }, eInterfacePrototype, prototypes::id::DeviceMotionEvent, PrototypeTraits::Depth, &sNativePropertyHooks, Event_Binding::GetProtoObject }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return StaticPrefs::device_sensors_motion_enabled() && nsGlobalWindowInner::DeviceSensorsEnabled(aCx, aObj); } static JS::Handle GetProtoObjectHandle(JSContext* aCx); static const JSClassOps sClassOps = { nullptr, /* addProperty */ nullptr, /* delProperty */ nullptr, /* enumerate */ nullptr, /* newEnumerate */ nullptr, /* resolve */ nullptr, /* mayResolve */ _finalize, /* finalize */ nullptr, /* call */ nullptr, /* construct */ nullptr, /* trace */ }; static const DOMJSClass sClass = { { "DeviceMotionEvent", JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE | JSCLASS_PRESERVES_WRAPPER, &sClassOps, JS_NULL_CLASS_SPEC, &NativeTypeHelpers::sClassExtension, JS_NULL_OBJECT_OPS }, { prototypes::id::Event, prototypes::id::DeviceMotionEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, std::is_base_of_v, &sNativePropertyHooks, GetProtoObjectHandle, GetCCParticipant::Get(), nullptr, NativeTypeHelpers::GetWrapperCache }; static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, "Must have the right minimal number of reserved slots."); static_assert(1 >= 1, "Must have enough reserved slots."); bool Wrap(JSContext* aCx, mozilla::dom::DeviceMotionEvent* aObject, nsWrapperCache* aCache, JS::Handle aGivenProto, JS::MutableHandle aReflector) { static_assert(!std::is_base_of_v, "Shouldn't have wrappercached things that are not refcounted."); static_assert(std::is_same_v); MOZ_ASSERT(static_cast(aObject) == reinterpret_cast(aObject), "Multiple inheritance for mozilla::dom::Event is broken."); MOZ_ASSERT(ToSupportsIsCorrect(aObject)); MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); MOZ_ASSERT(!aCache->GetWrapper(), "You should probably not be using Wrap() directly; use " "GetOrCreateDOMReflector instead"); MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), "nsISupports must be on our primary inheritance chain"); // If the wrapper cache contains a dead reflector then finalize that // now, ensuring that the finalizer for the old reflector always // runs before the new reflector is created and attached. This // avoids the awkward situation where there are multiple reflector // objects that contain pointers to the same native. if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) { _finalize(nullptr /* unused */, oldReflector); MOZ_ASSERT(!aCache->GetWrapperMaybeDead()); } JS::Rooted global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); if (!global) { return false; } MOZ_ASSERT(JS_IsGlobalObject(global)); JS::AssertObjectIsNotGray(global); // That might have ended up wrapping us already, due to the wonders // of XBL. Check for that, and bail out as needed. aReflector.set(aCache->GetWrapper()); if (aReflector) { #ifdef DEBUG AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); #endif // DEBUG return true; } JSAutoRealm ar(aCx, global); JS::Handle canonicalProto = GetProtoObjectHandle(aCx); if (!canonicalProto) { return false; } JS::Rooted proto(aCx); if (aGivenProto) { proto = aGivenProto; // Unfortunately, while aGivenProto was in the compartment of aCx // coming in, we changed compartments to that of "parent" so may need // to wrap the proto here. if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) { if (!JS_WrapObject(aCx, &proto)) { return false; } } } else { proto = canonicalProto; } BindingJSObjectCreator creator(aCx); creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); if (!aReflector) { return false; } aCache->SetWrapper(aReflector); // Important: do unforgeable property setup after we have handed // over ownership of the C++ object to obj as needed, so that if // we fail and it ends up GCed it won't have problems in the // finalizer trying to drop its ownership of the C++ object. JS::Rooted unforgeableHolder(aCx, &JS::GetNativeObjectReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject()); if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) { aCache->ReleaseWrapper(aObject); aCache->ClearWrapperOnWrapFailure(); return false; } creator.InitializationSucceeded(); MOZ_ASSERT(aCache->GetWrapperPreserveColor() && aCache->GetWrapperPreserveColor() == aReflector); // If proto != canonicalProto, we have to preserve our wrapper; // otherwise we won't be able to properly recreate it later, since // we won't know what proto to use. Note that we don't check // aGivenProto here, since it's entirely possible (and even // somewhat common) to have a non-null aGivenProto which is the // same as canonicalProto. if (proto != canonicalProto) { PreserveWrapper(aObject); } return true; } void CreateInterfaceObjects(JSContext* aCx, JS::Handle aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DeviceMotionEvent); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DeviceMotionEvent); JS::Handle parentProto(Event_Binding::GetProtoObjectHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(Event_Binding::GetConstructorObjectHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 1, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "DeviceMotionEvent", ShouldExpose(aCx, aGlobal, aDefineOnGlobal), nullptr, false, nullptr); JS::AssertObjectIsNotGray(*protoCache); JS::Handle proto = JS::Handle::fromMarkedLocation(protoCache->unsafeAddress()); if (!proto) { *protoCache = nullptr; if (interfaceCache) { *interfaceCache = nullptr; } return; } JS::Rooted unforgeableHolder( aCx, JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), proto)); if (!unforgeableHolder) { *protoCache = nullptr; if (interfaceCache) { *interfaceCache = nullptr; } return; } if (!DefineLegacyUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) { *protoCache = nullptr; if (interfaceCache) { *interfaceCache = nullptr; } return; } if (*protoCache) { JS::SetNativeObjectReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE, JS::ObjectValue(*unforgeableHolder)); } } static JS::Handle GetProtoObjectHandle(JSContext* aCx) { /* Get the interface prototype object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, prototypes::id::DeviceMotionEvent, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } JS::Handle GetConstructorObjectHandle(JSContext* aCx) { /* Get the interface object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, constructors::id::DeviceMotionEvent, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace DeviceMotionEvent_Binding namespace DeviceRotationRate_Binding { MOZ_CAN_RUN_SCRIPT static bool get_alpha(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceRotationRate", "alpha", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable result(MOZ_KnownLive(self)->GetAlpha()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result.IsNull()) { args.rval().setNull(); return true; } args.rval().set(JS::NumberValue(double(result.Value()))); return true; } static const JSJitInfo alpha_getterinfo = { { get_alpha }, { prototypes::id::DeviceRotationRate }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_beta(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceRotationRate", "beta", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable result(MOZ_KnownLive(self)->GetBeta()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result.IsNull()) { args.rval().setNull(); return true; } args.rval().set(JS::NumberValue(double(result.Value()))); return true; } static const JSJitInfo beta_getterinfo = { { get_beta }, { prototypes::id::DeviceRotationRate }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_gamma(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "DeviceRotationRate", "gamma", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable result(MOZ_KnownLive(self)->GetGamma()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result.IsNull()) { args.rval().setNull(); return true; } args.rval().set(JS::NumberValue(double(result.Value()))); return true; } static const JSJitInfo gamma_getterinfo = { { get_gamma }, { prototypes::id::DeviceRotationRate }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::DeviceRotationRate* self = UnwrapPossiblyNotInitializedDOMObject(obj); if (self) { JS::SetNativeObjectReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue()); ClearWrapper(self, self, obj); if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) { JS::RemoveAssociatedMemory(obj, mallocBytes, JS::MemoryUse::DOMBinding); } AddForDeferredFinalization(self); } } MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = { JSPropertySpec::nativeAccessors("alpha", JSPROP_ENUMERATE, GenericGetter, &alpha_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("beta", JSPROP_ENUMERATE, GenericGetter, &beta_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("gamma", JSPROP_ENUMERATE, GenericGetter, &gamma_getterinfo, nullptr, nullptr), JS_PS_END }; static const Prefable sAttributes[] = { { nullptr, &sAttributes_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); static uint16_t sNativeProperties_sortedPropertyIndices[3]; static PropertyInfo sNativeProperties_propertyInfos[3]; static const NativePropertiesN<1> sNativeProperties = { false, 0, false, 0, false, 0, true, 0 /* sAttributes */, false, 0, false, 0, false, 0, -1, 3, sNativeProperties_sortedPropertyIndices, { { sAttributes, &sNativeProperties_propertyInfos[0] } } }; static_assert(3 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { nullptr, { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited }, prototypes::id::DeviceRotationRate, constructors::id::_ID_Count, &DefaultXrayExpandoObjectClass }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "DeviceRotationRatePrototype", JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), JS_NULL_CLASS_OPS, JS_NULL_CLASS_SPEC, JS_NULL_CLASS_EXT, JS_NULL_OBJECT_OPS }, eInterfacePrototype, prototypes::id::DeviceRotationRate, PrototypeTraits::Depth, &sNativePropertyHooks, JS::GetRealmObjectPrototype }; static JS::Handle GetProtoObjectHandle(JSContext* aCx); static const JSClassOps sClassOps = { nullptr, /* addProperty */ nullptr, /* delProperty */ nullptr, /* enumerate */ nullptr, /* newEnumerate */ nullptr, /* resolve */ nullptr, /* mayResolve */ _finalize, /* finalize */ nullptr, /* call */ nullptr, /* construct */ nullptr, /* trace */ }; static const DOMJSClass sClass = { { "DeviceRotationRate", JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_PRESERVES_WRAPPER, &sClassOps, JS_NULL_CLASS_SPEC, &NativeTypeHelpers::sClassExtension, JS_NULL_OBJECT_OPS }, { prototypes::id::DeviceRotationRate, 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 }, std::is_base_of_v, &sNativePropertyHooks, GetProtoObjectHandle, GetCCParticipant::Get(), nullptr, NativeTypeHelpers::GetWrapperCache }; static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, "Must have the right minimal number of reserved slots."); static_assert(1 >= 1, "Must have enough reserved slots."); bool Wrap(JSContext* aCx, mozilla::dom::DeviceRotationRate* aObject, nsWrapperCache* aCache, JS::Handle aGivenProto, JS::MutableHandle aReflector) { static_assert(!std::is_base_of_v, "Shouldn't have wrappercached things that are not refcounted."); static_assert(std::is_same_v); MOZ_ASSERT(ToSupportsIsCorrect(aObject)); MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); MOZ_ASSERT(!aCache->GetWrapper(), "You should probably not be using Wrap() directly; use " "GetOrCreateDOMReflector instead"); MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), "nsISupports must be on our primary inheritance chain"); // If the wrapper cache contains a dead reflector then finalize that // now, ensuring that the finalizer for the old reflector always // runs before the new reflector is created and attached. This // avoids the awkward situation where there are multiple reflector // objects that contain pointers to the same native. if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) { _finalize(nullptr /* unused */, oldReflector); MOZ_ASSERT(!aCache->GetWrapperMaybeDead()); } JS::Rooted global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); if (!global) { return false; } MOZ_ASSERT(JS_IsGlobalObject(global)); JS::AssertObjectIsNotGray(global); // That might have ended up wrapping us already, due to the wonders // of XBL. Check for that, and bail out as needed. aReflector.set(aCache->GetWrapper()); if (aReflector) { #ifdef DEBUG AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); #endif // DEBUG return true; } JSAutoRealm ar(aCx, global); JS::Handle canonicalProto = GetProtoObjectHandle(aCx); if (!canonicalProto) { return false; } JS::Rooted proto(aCx); if (aGivenProto) { proto = aGivenProto; // Unfortunately, while aGivenProto was in the compartment of aCx // coming in, we changed compartments to that of "parent" so may need // to wrap the proto here. if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) { if (!JS_WrapObject(aCx, &proto)) { return false; } } } else { proto = canonicalProto; } BindingJSObjectCreator creator(aCx); creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); if (!aReflector) { return false; } aCache->SetWrapper(aReflector); creator.InitializationSucceeded(); MOZ_ASSERT(aCache->GetWrapperPreserveColor() && aCache->GetWrapperPreserveColor() == aReflector); // If proto != canonicalProto, we have to preserve our wrapper; // otherwise we won't be able to properly recreate it later, since // we won't know what proto to use. Note that we don't check // aGivenProto here, since it's entirely possible (and even // somewhat common) to have a non-null aGivenProto which is the // same as canonicalProto. if (proto != canonicalProto) { PreserveWrapper(aObject); } return true; } void CreateInterfaceObjects(JSContext* aCx, JS::Handle aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DeviceRotationRate); JS::Heap* interfaceCache = nullptr; JS::Handle parentProto(JS::GetRealmObjectPrototypeHandle(aCx)); if (!parentProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, nullptr, nullptr, 0, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "DeviceRotationRate", aDefineOnGlobal != DefineInterfaceProperty::No, nullptr, false, nullptr); } static JS::Handle GetProtoObjectHandle(JSContext* aCx) { /* Get the interface prototype object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, prototypes::id::DeviceRotationRate, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace DeviceRotationRate_Binding } // namespace mozilla::dom