/* THIS FILE IS AUTOGENERATED FROM Worklet.webidl BY Codegen.py - DO NOT EDIT */ #include #include "AtomList.h" #include "MainThreadUtils.h" #include "WorkletBinding.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/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/Promise.h" #include "mozilla/dom/ScriptSettings.h" #include "mozilla/dom/SimpleGlobalObject.h" #include "mozilla/dom/ToJSValue.h" #include "mozilla/dom/WebIDLPrefs.h" #include "mozilla/dom/Worklet.h" #include "mozilla/dom/XrayExpandoClass.h" #include "nsContentUtils.h" namespace mozilla::dom { namespace binding_detail {}; // Just to make sure it's known as a namespace using namespace mozilla::dom::binding_detail; WorkletOptions::WorkletOptions() { // Safe to pass a null context if we pass a null value Init(nullptr, JS::NullHandleValue); } bool WorkletOptions::InitIds(JSContext* cx, WorkletOptionsAtoms* atomsCache) { MOZ_ASSERT(reinterpret_cast(atomsCache)->isVoid()); // Initialize these in reverse order so that any failure leaves the first one // uninitialized. if (!atomsCache->credentials_id.init(cx, "credentials")) { return false; } return true; } bool WorkletOptions::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()); WorkletOptionsAtoms* 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->credentials_id, temp.ptr())) { return false; } } if (!isNull && !temp->isUndefined()) { { int index; if (!binding_detail::FindEnumStringIndex(cx, temp.ref(), binding_detail::EnumStrings::Values, "RequestCredentials", "'credentials' member of WorkletOptions", &index)) { return false; } MOZ_ASSERT(index >= 0); mCredentials = static_cast(index); } } else { mCredentials = RequestCredentials::Same_origin; } mIsAnyMemberPresent = true; return true; } bool WorkletOptions::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 WorkletOptions::TraceDictionary(JSTracer* trc) { } WorkletOptions& WorkletOptions::operator=(const WorkletOptions& aOther) { MaybeEmptyDictionaryBase::operator=(aOther); mCredentials = aOther.mCredentials; return *this; } namespace Worklet_Binding { MOZ_CAN_RUN_SCRIPT static bool addModule(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "Worklet.addModule"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "Worklet", "addModule", 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, "Worklet.addModule", 1)) { return false; } nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } if (!NormalizeUSVString(arg0)) { JS_ReportOutOfMemory(cx); return false; } binding_detail::FastWorkletOptions arg1; if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2", false)) { return false; } FastErrorResult rv; auto result(StrongOrRawPtr(MOZ_KnownLive(self)->AddModule(cx, Constify(arg0), Constify(arg1), nsContentUtils::IsSystemCaller(cx) ? CallerType::System : CallerType::NonSystem, rv))); if (rv.MaybeSetPendingException(cx, "Worklet.addModule")) [[unlikely]] { return false; } 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 (!ToJSValue(cx, result, args.rval())) { return false; } return true; } MOZ_CAN_RUN_SCRIPT static bool addModule_promiseWrapper(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { bool ok = addModule(cx, obj, void_self, args); if (ok) { return true; } return ConvertExceptionToPromise(cx, args.rval()); } static const JSJitInfo addModule_methodinfo = { { (JSJitGetterOp)addModule_promiseWrapper }, { prototypes::id::Worklet }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* 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. */ }; static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::Worklet* 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("addModule", (GenericMethod), reinterpret_cast(&addModule_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const PrefableDisablers sMethods_disablers0 = { WebIDLPrefIndex::NoPref, 0, true, OriginTrial(0), nullptr }; static const Prefable sMethods[] = { { &sMethods_disablers0, &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)"); static uint16_t sNativeProperties_sortedPropertyIndices[1]; static PropertyInfo sNativeProperties_propertyInfos[1]; static const NativePropertiesN<1> sNativeProperties = { false, 0, false, 0, true, 0 /* sMethods */, false, 0, false, 0, false, 0, false, 0, -1, 1, sNativeProperties_sortedPropertyIndices, { { sMethods, &sNativeProperties_propertyInfos[0] } } }; static_assert(1 < 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::Worklet, constructors::id::Worklet, &DefaultXrayExpandoObjectClass }; static const DOMInterfaceInfo sInterfaceObjectInfo = { { ThrowingConstructor, &sNativePropertyHooks }, JS::GetRealmFunctionPrototypeHandle, PrototypeTraits::Depth, prototypes::id::Worklet, true, 0, "Worklet", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "WorkletPrototype", 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::Worklet, PrototypeTraits::Depth, &sNativePropertyHooks, JS::GetRealmObjectPrototype }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return mozilla::dom::IsSecureContextOrObjectIsFromSecureContext(aCx, aObj); } 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 = { { "Worklet", 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::Worklet, 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::Worklet* 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::Worklet); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::Worklet); JS::Handle parentProto(JS::GetRealmObjectPrototypeHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(JS::GetRealmFunctionPrototypeHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 0, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "Worklet", ShouldExpose(aCx, aGlobal, aDefineOnGlobal), nullptr, false, nullptr); } 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::Worklet, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } JSObject* GetProtoObject(JSContext* aCx) { return GetProtoObjectHandle(aCx); } JS::Handle GetConstructorObjectHandle(JSContext* aCx) { /* Get the interface object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, constructors::id::Worklet, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace Worklet_Binding } // namespace mozilla::dom