/* THIS FILE IS AUTOGENERATED FROM CSSCustomMediaRule.webidl BY Codegen.py - DO NOT EDIT */ #include #include "CSSCustomMediaRuleBinding.h" #include "CSSRuleBinding.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/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/StaticPrefs_layout.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/CSSCustomMediaRule.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/MediaList.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/PrimitiveConversions.h" #include "mozilla/dom/XrayExpandoClass.h" namespace mozilla::dom { namespace binding_detail {}; // Just to make sure it's known as a namespace using namespace mozilla::dom::binding_detail; void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningMediaListOrBoolean& aUnion, const char* aName, uint32_t aFlags) { if (aUnion.IsMediaList()) { ImplCycleCollectionTraverse(aCallback, aUnion.GetAsMediaList(), "mMediaList", aFlags); } } void ImplCycleCollectionUnlink(OwningMediaListOrBoolean& aUnion) { aUnion.Uninit(); } bool MediaListOrBoolean::TrySetToMediaList(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot NonNull& memberSlot = RawSetAsMediaList(); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyMediaList(); tryNext = true; return true; } } } return true; } bool MediaListOrBoolean::TrySetToMediaList(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToMediaList(cx, value, tryNext, passedToJSImpl); } bool MediaListOrBoolean::TrySetToBoolean(JSContext* cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot bool& memberSlot = RawSetAsBoolean(); if (!ValueToPrimitive(cx, value, "Boolean branch of (MediaList or boolean)", &memberSlot)) { return false; } } return true; } bool MediaListOrBoolean::Init(BindingCallContext& cx, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { MOZ_ASSERT(mType == eUninitialized); bool done = false, failed = false, tryNext; if (value.isObject()) { done = (failed = !TrySetToMediaList(cx, value, tryNext, passedToJSImpl)) || !tryNext; } if (!done) { do { done = (failed = !TrySetToBoolean(cx, value, tryNext)) || !tryNext; break; } while (false); } if (failed) { return false; } if (!done) { cx.ThrowErrorMessage(sourceDescription, "MediaList"); return false; } return true; } bool MediaListOrBoolean::Init(JSContext* cx_, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return Init(cx, value, sourceDescription, passedToJSImpl); } bool MediaListOrBoolean::ToJSVal(JSContext* cx, JS::Handle scopeObj, JS::MutableHandle rval) const { switch (mType) { case eUninitialized: { return false; } case eMediaList: { if (!GetOrCreateDOMReflector(cx, mValue.mMediaList.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eBoolean: { rval.setBoolean(mValue.mBoolean.Value()); return true; } default: { return false; } } } OwningMediaListOrBoolean::OwningMediaListOrBoolean(OwningMediaListOrBoolean&& aOther) : mType(eUninitialized) { switch (aOther.mType) { case eUninitialized: { MOZ_ASSERT(mType == eUninitialized, "We need to destroy ourselves?"); break; } case eMediaList: { mType = eMediaList; mValue.mMediaList.SetValue(std::move(aOther.mValue.mMediaList.Value())); break; } case eBoolean: { mType = eBoolean; mValue.mBoolean.SetValue(std::move(aOther.mValue.mBoolean.Value())); break; } } } bool OwningMediaListOrBoolean::TrySetToMediaList(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot OwningNonNull& memberSlot = RawSetAsMediaList(); static_assert(IsRefcounted::value, "We can only store refcounted classes."); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyMediaList(); tryNext = true; return true; } } } return true; } bool OwningMediaListOrBoolean::TrySetToMediaList(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToMediaList(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] OwningNonNull& OwningMediaListOrBoolean::RawSetAsMediaList() { if (mType == eMediaList) { return mValue.mMediaList.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eMediaList; return mValue.mMediaList.SetValue(); } [[nodiscard]] OwningNonNull& OwningMediaListOrBoolean::SetAsMediaList() { if (mType == eMediaList) { return mValue.mMediaList.Value(); } Uninit(); mType = eMediaList; return mValue.mMediaList.SetValue(); } void OwningMediaListOrBoolean::DestroyMediaList() { MOZ_RELEASE_ASSERT(IsMediaList(), "Wrong type!"); mValue.mMediaList.Destroy(); mType = eUninitialized; } bool OwningMediaListOrBoolean::TrySetToBoolean(JSContext* cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot bool& memberSlot = RawSetAsBoolean(); if (!ValueToPrimitive(cx, value, "Boolean branch of (MediaList or boolean)", &memberSlot)) { return false; } } return true; } [[nodiscard]] bool& OwningMediaListOrBoolean::RawSetAsBoolean() { if (mType == eBoolean) { return mValue.mBoolean.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eBoolean; return mValue.mBoolean.SetValue(); } [[nodiscard]] bool& OwningMediaListOrBoolean::SetAsBoolean() { if (mType == eBoolean) { return mValue.mBoolean.Value(); } Uninit(); mType = eBoolean; return mValue.mBoolean.SetValue(); } void OwningMediaListOrBoolean::DestroyBoolean() { MOZ_RELEASE_ASSERT(IsBoolean(), "Wrong type!"); mValue.mBoolean.Destroy(); mType = eUninitialized; } bool OwningMediaListOrBoolean::Init(BindingCallContext& cx, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { MOZ_ASSERT(mType == eUninitialized); bool done = false, failed = false, tryNext; if (value.isObject()) { done = (failed = !TrySetToMediaList(cx, value, tryNext, passedToJSImpl)) || !tryNext; } if (!done) { do { done = (failed = !TrySetToBoolean(cx, value, tryNext)) || !tryNext; break; } while (false); } if (failed) { return false; } if (!done) { cx.ThrowErrorMessage(sourceDescription, "MediaList"); return false; } return true; } bool OwningMediaListOrBoolean::Init(JSContext* cx_, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return Init(cx, value, sourceDescription, passedToJSImpl); } void OwningMediaListOrBoolean::Uninit() { switch (mType) { case eUninitialized: { break; } case eMediaList: { DestroyMediaList(); break; } case eBoolean: { DestroyBoolean(); break; } } } bool OwningMediaListOrBoolean::ToJSVal(JSContext* cx, JS::Handle scopeObj, JS::MutableHandle rval) const { switch (mType) { case eUninitialized: { return false; } case eMediaList: { if (!GetOrCreateDOMReflector(cx, mValue.mMediaList.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eBoolean: { rval.setBoolean(mValue.mBoolean.Value()); return true; } default: { return false; } } } OwningMediaListOrBoolean& OwningMediaListOrBoolean::operator=(OwningMediaListOrBoolean&& aOther) { this->~OwningMediaListOrBoolean(); new (this) OwningMediaListOrBoolean (std::move(aOther)); return *this; } OwningMediaListOrBoolean& OwningMediaListOrBoolean::operator=(const OwningMediaListOrBoolean& aOther) { switch (aOther.mType) { case eUninitialized: { MOZ_ASSERT(mType == eUninitialized, "We need to destroy ourselves?"); break; } case eMediaList: { SetAsMediaList() = aOther.GetAsMediaList(); break; } case eBoolean: { SetAsBoolean() = aOther.GetAsBoolean(); break; } } return *this; } namespace CSSCustomMediaRule_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_name(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "CSSCustomMediaRule", "name", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); nsAutoCString result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetName(result))>, "Should be returning void here"); MOZ_KnownLive(self)->GetName(result); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!NonVoidUTF8StringToJsval(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo name_getterinfo = { { get_name }, { prototypes::id::CSSCustomMediaRule }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_STRING, /* 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_query(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "CSSCustomMediaRule", "query", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); OwningMediaListOrBoolean result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetQuery(result))>, "Should be returning void here"); MOZ_KnownLive(self)->GetQuery(result); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!result.ToJSVal(cx, obj, args.rval())) { return false; } return true; } static const JSJitInfo query_getterinfo = { { get_query }, { prototypes::id::CSSCustomMediaRule }, { 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. */ }; static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::CSSCustomMediaRule* 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("name", JSPROP_ENUMERATE, GenericGetter, &name_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("query", JSPROP_ENUMERATE, GenericGetter, &query_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(2 <= 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[2]; static PropertyInfo sNativeProperties_propertyInfos[2]; static const NativePropertiesN<1> sNativeProperties = { false, 0, false, 0, false, 0, true, 0 /* sAttributes */, false, 0, false, 0, false, 0, -1, 2, sNativeProperties_sortedPropertyIndices, { { sAttributes, &sNativeProperties_propertyInfos[0] } } }; static_assert(2 < 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::CSSCustomMediaRule, constructors::id::CSSCustomMediaRule, &DefaultXrayExpandoObjectClass }; static const DOMInterfaceInfo sInterfaceObjectInfo = { { ThrowingConstructor, &sNativePropertyHooks }, CSSRule_Binding::GetConstructorObjectHandle, PrototypeTraits::Depth, prototypes::id::CSSCustomMediaRule, true, 0, "CSSCustomMediaRule", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "CSSCustomMediaRulePrototype", 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::CSSCustomMediaRule, PrototypeTraits::Depth, &sNativePropertyHooks, CSSRule_Binding::GetProtoObject }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return StaticPrefs::layout_css_custom_media_enabled(); } 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 = { { "CSSCustomMediaRule", 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::CSSRule, prototypes::id::CSSCustomMediaRule, 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::CSSCustomMediaRule* 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::css::Rule 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); 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::CSSCustomMediaRule); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::CSSCustomMediaRule); JS::Handle parentProto(CSSRule_Binding::GetProtoObjectHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(CSSRule_Binding::GetConstructorObjectHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 0, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "CSSCustomMediaRule", ShouldExpose(aCx, aGlobal, aDefineOnGlobal), 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::CSSCustomMediaRule, &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::CSSCustomMediaRule, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace CSSCustomMediaRule_Binding } // namespace mozilla::dom