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/* THIS FILE IS AUTOGENERATED FROM Glean.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "GleanBinding.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/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/DOMJSProxyHandler.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/ProxyHandlerUtils.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "mozilla/glean/bindings/Category.h"
#include "mozilla/glean/bindings/Glean.h"
#include "mozilla/glean/bindings/GleanMetric.h"
#include "mozilla/glean/bindings/Labeled.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
namespace GleanCategory_Binding {
static_assert(std::is_base_of_v<nsISupports, mozilla::glean::Category>,
"We don't support non-nsISupports native classes for "
"proxy-based bindings yet");
class DOMProxyHandler : public mozilla::dom::DOMProxyHandler
{
public:
explicit constexpr DOMProxyHandler()
{
}
bool
getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const override;
bool
defineProperty(JSContext* cx_, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* done) const override;
using mozilla::dom::DOMProxyHandler::defineProperty;
bool
ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::MutableHandleVector<jsid> props) const override;
bool
hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override;
bool
get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override;
const char*
className(JSContext* cx, JS::Handle<JSObject*> proxy) const override;
bool
finalizeInBackground(const JS::Value& priv) const override;
void
finalize(JS::GCContext* gcx, JSObject* proxy) const override;
static const DOMProxyHandler*
getInstance();
bool
delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override;
size_t
objectMoved(JSObject* obj, JSObject* old) const override;
};
MOZ_ALWAYS_INLINE bool
IsProxy(JSObject* obj)
{
return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance();
}
MOZ_ALWAYS_INLINE mozilla::glean::Category*
UnwrapProxy(JSObject* obj)
{
MOZ_ASSERT(js::IsProxy(obj));
if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) {
MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj));
obj = js::UncheckedUnwrap(obj);
}
MOZ_ASSERT(IsProxy(obj));
return static_cast<mozilla::glean::Category*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate());
}
const NativeNamedOrIndexedPropertyHooks sNativeNamedOrIndexedPropertyHooks = {
binding_detail::ResolveOwnProperty,
binding_detail::EnumerateOwnProperties,
nullptr
};
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
&sNativeNamedOrIndexedPropertyHooks,
{ nullptr, nullptr, &sNativePropertiesInited },
prototypes::id::GleanCategory,
constructors::id::GleanCategory,
&DefaultXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
JS::GetRealmFunctionPrototype,
prototypes::id::GleanCategory,
PrototypeTraits<prototypes::id::GleanCategory>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"GleanCategoryPrototype",
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::GleanCategory,
PrototypeTraits<prototypes::id::GleanCategory>::Depth,
&sNativePropertyHooks,
JS::GetRealmObjectPrototype
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return nsGlobalWindowInner::IsGleanNeeded(aCx, aObj);
}
bool
DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const
{
bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
JS::Rooted<JSObject*> expando(cx);
if (!isXray &&(expando = GetExpandoObject(proxy))) {
if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) {
return false;
}
if (desc.isSome()) {
return true;
}
}
bool callNamedGetter = false;
if (!ignoreNamedProps) {
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
callNamedGetter = !hasOnProto;
}
if (callNamedGetter) {
JS::Rooted<JS::Value> value(cx);
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Category* self = UnwrapProxy(proxy);
bool found = false;
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (found) {
if (!GetOrCreateDOMReflector(cx, result, &value)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
desc.set(mozilla::Some(JS::PropertyDescriptor::Data(value, { JS::PropertyAttribute::Configurable, JS::PropertyAttribute::Enumerable })));
return true;
}
}
}
desc.reset();
return true;
}
bool
DOMProxyHandler::defineProperty(JSContext* cx_, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* done) const
{
JSContext* cx = cx_;
bool found = false;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Category* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
if (found) {
*done = true;
return opresult.failNoNamedSetter();
}
return mozilla::dom::DOMProxyHandler::defineProperty(cx_, proxy, id, desc, opresult, done);
}
bool
DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::MutableHandleVector<jsid> props) const
{
bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
nsTArray<nsString> names;
UnwrapProxy(proxy)->GetSupportedNames(names);
if (!AppendNamedPropertyIds(cx, proxy, names, false, props)) {
return false;
}
JS::Rooted<JSObject*> expando(cx);
if (!isXray &&(expando = DOMProxyHandler::GetExpandoObject(proxy)) &&
!js::GetPropertyKeys(cx, expando, flags, props)) {
return false;
}
return true;
}
bool
DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy));
if (expando) {
bool b = true;
bool ok = JS_HasPropertyById(cx, expando, id, &b);
*bp = !!b;
if (!ok || *bp) {
return ok;
}
}
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
if (!hasOnProto) {
bool found = false;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Category* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
*bp = found;
return true;
}
*bp = false;
return true;
}
bool
DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
bool expandoHasProp = false;
{ // Scope for expando
JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
if (expando) {
if (!JS_HasPropertyById(cx, expando, id, &expandoHasProp)) {
return false;
}
if (expandoHasProp) {
// Forward the get to the expando object, but our receiver is whatever our
// receiver is.
if (!JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp)) {
return false;
}
}
}
}
if (expandoHasProp) {
return true;
}
bool foundOnPrototype;
if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) {
return false;
}
if (foundOnPrototype) {
return true;
}
MOZ_ASSERT(vp.isUndefined());
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Category* self = UnwrapProxy(proxy);
bool found = false;
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (found) {
if (!GetOrCreateDOMReflector(cx, result, vp)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
}
return true;
}
const char*
DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const
{
return "GleanCategory";
}
bool
DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const
{
return false;
}
void
DOMProxyHandler::finalize(JS::GCContext* gcx, JSObject* proxy) const
{
mozilla::glean::Category* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::glean::Category>(proxy);
if (self) {
JS::SetReservedSlot(proxy, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, proxy);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(proxy, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::glean::Category>(self);
}
}
const DOMProxyHandler*
DOMProxyHandler::getInstance()
{
static const DOMProxyHandler instance;
return &instance;
}
bool
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
// Try named delete only if the named property visibility
// algorithm says the property is visible.
bool tryNamedDelete = true;
{ // Scope for expando
JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
if (expando) {
bool hasProp;
if (!JS_HasPropertyById(cx, expando, id, &hasProp)) {
return false;
}
tryNamedDelete = !hasProp;
}
}
if (tryNamedDelete) {
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
tryNamedDelete = !hasOnProto;
}
if (tryNamedDelete) {
bool found = false;
bool deleteSucceeded;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Category* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
deleteSucceeded = !found;
if (found) {
return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete();
}
}
return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult);
}
size_t
DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const
{
mozilla::glean::Category* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::glean::Category>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const DOMJSClass sClass = {
PROXY_CLASS_DEF("GleanCategory",
JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)),
{ prototypes::id::GleanCategory, 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<nsISupports, mozilla::glean::Category>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::glean::Category>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::glean::Category>::Get(),
nullptr,
nullptr
};
bool
Wrap(JSContext* aCx, mozilla::glean::Category* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::glean::Category>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::glean::Category*>);
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()) {
DOMProxyHandler::getInstance()->finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> 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<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> 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<mozilla::glean::Category> creator(aCx);
creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(),
proto, /* aLazyProto = */ false,
aObject, JS::UndefinedHandleValue, 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<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::GleanCategory);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::GleanCategory);
JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
if (!parentProto) {
return;
}
JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
nullptr,
nullptr,
"GleanCategory", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace GleanCategory_Binding
namespace GleanImpl_Binding {
static_assert(std::is_base_of_v<nsISupports, mozilla::glean::Glean>,
"We don't support non-nsISupports native classes for "
"proxy-based bindings yet");
class DOMProxyHandler : public mozilla::dom::DOMProxyHandler
{
public:
explicit constexpr DOMProxyHandler()
{
}
bool
getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const override;
bool
defineProperty(JSContext* cx_, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* done) const override;
using mozilla::dom::DOMProxyHandler::defineProperty;
bool
ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::MutableHandleVector<jsid> props) const override;
bool
hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override;
bool
get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override;
const char*
className(JSContext* cx, JS::Handle<JSObject*> proxy) const override;
bool
finalizeInBackground(const JS::Value& priv) const override;
void
finalize(JS::GCContext* gcx, JSObject* proxy) const override;
static const DOMProxyHandler*
getInstance();
bool
delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override;
size_t
objectMoved(JSObject* obj, JSObject* old) const override;
};
MOZ_ALWAYS_INLINE bool
IsProxy(JSObject* obj)
{
return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance();
}
MOZ_ALWAYS_INLINE mozilla::glean::Glean*
UnwrapProxy(JSObject* obj)
{
MOZ_ASSERT(js::IsProxy(obj));
if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) {
MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj));
obj = js::UncheckedUnwrap(obj);
}
MOZ_ASSERT(IsProxy(obj));
return static_cast<mozilla::glean::Glean*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate());
}
const NativeNamedOrIndexedPropertyHooks sNativeNamedOrIndexedPropertyHooks = {
binding_detail::ResolveOwnProperty,
binding_detail::EnumerateOwnProperties,
nullptr
};
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
&sNativeNamedOrIndexedPropertyHooks,
{ nullptr, nullptr, &sNativePropertiesInited },
prototypes::id::GleanImpl,
constructors::id::GleanImpl,
&DefaultXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
JS::GetRealmFunctionPrototype,
prototypes::id::GleanImpl,
PrototypeTraits<prototypes::id::GleanImpl>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"GleanImplPrototype",
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::GleanImpl,
PrototypeTraits<prototypes::id::GleanImpl>::Depth,
&sNativePropertyHooks,
JS::GetRealmObjectPrototype
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return nsGlobalWindowInner::IsGleanNeeded(aCx, aObj);
}
bool
DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const
{
bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
JS::Rooted<JSObject*> expando(cx);
if (!isXray &&(expando = GetExpandoObject(proxy))) {
if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) {
return false;
}
if (desc.isSome()) {
return true;
}
}
bool callNamedGetter = false;
if (!ignoreNamedProps) {
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
callNamedGetter = !hasOnProto;
}
if (callNamedGetter) {
JS::Rooted<JS::Value> value(cx);
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Glean* self = UnwrapProxy(proxy);
bool found = false;
auto result(StrongOrRawPtr<mozilla::glean::Category>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (found) {
if (!GetOrCreateDOMReflector(cx, result, &value)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
desc.set(mozilla::Some(JS::PropertyDescriptor::Data(value, { JS::PropertyAttribute::Configurable, JS::PropertyAttribute::Enumerable })));
return true;
}
}
}
desc.reset();
return true;
}
bool
DOMProxyHandler::defineProperty(JSContext* cx_, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* done) const
{
JSContext* cx = cx_;
bool found = false;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Glean* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::Category>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
if (found) {
*done = true;
return opresult.failNoNamedSetter();
}
return mozilla::dom::DOMProxyHandler::defineProperty(cx_, proxy, id, desc, opresult, done);
}
bool
DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::MutableHandleVector<jsid> props) const
{
bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
nsTArray<nsString> names;
UnwrapProxy(proxy)->GetSupportedNames(names);
if (!AppendNamedPropertyIds(cx, proxy, names, false, props)) {
return false;
}
JS::Rooted<JSObject*> expando(cx);
if (!isXray &&(expando = DOMProxyHandler::GetExpandoObject(proxy)) &&
!js::GetPropertyKeys(cx, expando, flags, props)) {
return false;
}
return true;
}
bool
DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy));
if (expando) {
bool b = true;
bool ok = JS_HasPropertyById(cx, expando, id, &b);
*bp = !!b;
if (!ok || *bp) {
return ok;
}
}
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
if (!hasOnProto) {
bool found = false;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Glean* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::Category>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
*bp = found;
return true;
}
*bp = false;
return true;
}
bool
DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
bool expandoHasProp = false;
{ // Scope for expando
JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
if (expando) {
if (!JS_HasPropertyById(cx, expando, id, &expandoHasProp)) {
return false;
}
if (expandoHasProp) {
// Forward the get to the expando object, but our receiver is whatever our
// receiver is.
if (!JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp)) {
return false;
}
}
}
}
if (expandoHasProp) {
return true;
}
bool foundOnPrototype;
if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) {
return false;
}
if (foundOnPrototype) {
return true;
}
MOZ_ASSERT(vp.isUndefined());
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Glean* self = UnwrapProxy(proxy);
bool found = false;
auto result(StrongOrRawPtr<mozilla::glean::Category>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (found) {
if (!GetOrCreateDOMReflector(cx, result, vp)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
}
return true;
}
const char*
DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const
{
return "GleanImpl";
}
bool
DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const
{
return false;
}
void
DOMProxyHandler::finalize(JS::GCContext* gcx, JSObject* proxy) const
{
mozilla::glean::Glean* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::glean::Glean>(proxy);
if (self) {
JS::SetReservedSlot(proxy, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, proxy);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(proxy, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::glean::Glean>(self);
}
}
const DOMProxyHandler*
DOMProxyHandler::getInstance()
{
static const DOMProxyHandler instance;
return &instance;
}
bool
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
// Try named delete only if the named property visibility
// algorithm says the property is visible.
bool tryNamedDelete = true;
{ // Scope for expando
JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
if (expando) {
bool hasProp;
if (!JS_HasPropertyById(cx, expando, id, &hasProp)) {
return false;
}
tryNamedDelete = !hasProp;
}
}
if (tryNamedDelete) {
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
tryNamedDelete = !hasOnProto;
}
if (tryNamedDelete) {
bool found = false;
bool deleteSucceeded;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::Glean* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::Category>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
deleteSucceeded = !found;
if (found) {
return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete();
}
}
return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult);
}
size_t
DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const
{
mozilla::glean::Glean* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::glean::Glean>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const DOMJSClass sClass = {
PROXY_CLASS_DEF("GleanImpl",
JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)),
{ prototypes::id::GleanImpl, 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<nsISupports, mozilla::glean::Glean>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::glean::Glean>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::glean::Glean>::Get(),
nullptr,
nullptr
};
bool
Wrap(JSContext* aCx, mozilla::glean::Glean* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::glean::Glean>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::glean::Glean*>);
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()) {
DOMProxyHandler::getInstance()->finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> 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<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> 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<mozilla::glean::Glean> creator(aCx);
creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(),
proto, /* aLazyProto = */ false,
aObject, JS::UndefinedHandleValue, 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<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::GleanImpl);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::GleanImpl);
JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
if (!parentProto) {
return;
}
JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
nullptr,
nullptr,
"GleanImpl", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace GleanImpl_Binding
namespace GleanLabeled_Binding {
static_assert(std::is_base_of_v<nsISupports, mozilla::glean::GleanLabeled>,
"We don't support non-nsISupports native classes for "
"proxy-based bindings yet");
class DOMProxyHandler : public mozilla::dom::DOMProxyHandler
{
public:
explicit constexpr DOMProxyHandler()
{
}
bool
getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const override;
bool
defineProperty(JSContext* cx_, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* done) const override;
using mozilla::dom::DOMProxyHandler::defineProperty;
bool
ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::MutableHandleVector<jsid> props) const override;
bool
hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override;
bool
get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override;
const char*
className(JSContext* cx, JS::Handle<JSObject*> proxy) const override;
bool
finalizeInBackground(const JS::Value& priv) const override;
void
finalize(JS::GCContext* gcx, JSObject* proxy) const override;
static const DOMProxyHandler*
getInstance();
bool
delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override;
size_t
objectMoved(JSObject* obj, JSObject* old) const override;
};
MOZ_ALWAYS_INLINE bool
IsProxy(JSObject* obj)
{
return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance();
}
MOZ_ALWAYS_INLINE mozilla::glean::GleanLabeled*
UnwrapProxy(JSObject* obj)
{
MOZ_ASSERT(js::IsProxy(obj));
if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) {
MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj));
obj = js::UncheckedUnwrap(obj);
}
MOZ_ASSERT(IsProxy(obj));
return static_cast<mozilla::glean::GleanLabeled*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate());
}
const NativeNamedOrIndexedPropertyHooks sNativeNamedOrIndexedPropertyHooks = {
binding_detail::ResolveOwnProperty,
binding_detail::EnumerateOwnProperties,
nullptr
};
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
&sNativeNamedOrIndexedPropertyHooks,
{ nullptr, nullptr, &sNativePropertiesInited },
prototypes::id::GleanLabeled,
constructors::id::GleanLabeled,
&DefaultXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
JS::GetRealmFunctionPrototype,
prototypes::id::GleanLabeled,
PrototypeTraits<prototypes::id::GleanLabeled>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"GleanLabeledPrototype",
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::GleanLabeled,
PrototypeTraits<prototypes::id::GleanLabeled>::Depth,
&sNativePropertyHooks,
JS::GetRealmObjectPrototype
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return nsGlobalWindowInner::IsGleanNeeded(aCx, aObj);
}
bool
DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const
{
bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
JS::Rooted<JSObject*> expando(cx);
if (!isXray &&(expando = GetExpandoObject(proxy))) {
if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) {
return false;
}
if (desc.isSome()) {
return true;
}
}
bool callNamedGetter = false;
if (!ignoreNamedProps) {
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
callNamedGetter = !hasOnProto;
}
if (callNamedGetter) {
JS::Rooted<JS::Value> value(cx);
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::GleanLabeled* self = UnwrapProxy(proxy);
bool found = false;
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (found) {
if (!GetOrCreateDOMReflector(cx, result, &value)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
desc.set(mozilla::Some(JS::PropertyDescriptor::Data(value, { JS::PropertyAttribute::Configurable, JS::PropertyAttribute::Enumerable })));
return true;
}
}
}
desc.reset();
return true;
}
bool
DOMProxyHandler::defineProperty(JSContext* cx_, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* done) const
{
JSContext* cx = cx_;
bool found = false;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::GleanLabeled* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
if (found) {
*done = true;
return opresult.failNoNamedSetter();
}
return mozilla::dom::DOMProxyHandler::defineProperty(cx_, proxy, id, desc, opresult, done);
}
bool
DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::MutableHandleVector<jsid> props) const
{
bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy);
nsTArray<nsString> names;
UnwrapProxy(proxy)->GetSupportedNames(names);
if (!AppendNamedPropertyIds(cx, proxy, names, false, props)) {
return false;
}
JS::Rooted<JSObject*> expando(cx);
if (!isXray &&(expando = DOMProxyHandler::GetExpandoObject(proxy)) &&
!js::GetPropertyKeys(cx, expando, flags, props)) {
return false;
}
return true;
}
bool
DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy));
if (expando) {
bool b = true;
bool ok = JS_HasPropertyById(cx, expando, id, &b);
*bp = !!b;
if (!ok || *bp) {
return ok;
}
}
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
if (!hasOnProto) {
bool found = false;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::GleanLabeled* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
*bp = found;
return true;
}
*bp = false;
return true;
}
bool
DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
bool expandoHasProp = false;
{ // Scope for expando
JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
if (expando) {
if (!JS_HasPropertyById(cx, expando, id, &expandoHasProp)) {
return false;
}
if (expandoHasProp) {
// Forward the get to the expando object, but our receiver is whatever our
// receiver is.
if (!JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp)) {
return false;
}
}
}
}
if (expandoHasProp) {
return true;
}
bool foundOnPrototype;
if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) {
return false;
}
if (foundOnPrototype) {
return true;
}
MOZ_ASSERT(vp.isUndefined());
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::GleanLabeled* self = UnwrapProxy(proxy);
bool found = false;
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (found) {
if (!GetOrCreateDOMReflector(cx, result, vp)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
}
return true;
}
const char*
DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const
{
return "GleanLabeled";
}
bool
DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const
{
return false;
}
void
DOMProxyHandler::finalize(JS::GCContext* gcx, JSObject* proxy) const
{
mozilla::glean::GleanLabeled* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::glean::GleanLabeled>(proxy);
if (self) {
JS::SetReservedSlot(proxy, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, proxy);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(proxy, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::glean::GleanLabeled>(self);
}
}
const DOMProxyHandler*
DOMProxyHandler::getInstance()
{
static const DOMProxyHandler instance;
return &instance;
}
bool
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const
{
MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy),
"Should not have a XrayWrapper here");
// Try named delete only if the named property visibility
// algorithm says the property is visible.
bool tryNamedDelete = true;
{ // Scope for expando
JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
if (expando) {
bool hasProp;
if (!JS_HasPropertyById(cx, expando, id, &hasProp)) {
return false;
}
tryNamedDelete = !hasProp;
}
}
if (tryNamedDelete) {
bool hasOnProto;
if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) {
return false;
}
tryNamedDelete = !hasOnProto;
}
if (tryNamedDelete) {
bool found = false;
bool deleteSucceeded;
FakeString<char16_t> identifier;
bool isSymbol;
if (!ConvertIdToString(cx, id, identifier, isSymbol)) {
return false;
}
if (!isSymbol) {
mozilla::glean::GleanLabeled* self = UnwrapProxy(proxy);
auto result(StrongOrRawPtr<mozilla::glean::GleanMetric>(MOZ_KnownLive(self)->NamedGetter(NonNullHelper(Constify(identifier)), found)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
(void)result;
}
deleteSucceeded = !found;
if (found) {
return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete();
}
}
return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult);
}
size_t
DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const
{
mozilla::glean::GleanLabeled* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::glean::GleanLabeled>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const DOMJSClass sClass = {
PROXY_CLASS_DEF("GleanLabeled",
JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)),
{ prototypes::id::GleanLabeled, 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<nsISupports, mozilla::glean::GleanLabeled>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::glean::GleanLabeled>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::glean::GleanLabeled>::Get(),
nullptr,
nullptr
};
bool
Wrap(JSContext* aCx, mozilla::glean::GleanLabeled* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::glean::GleanLabeled>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::glean::GleanLabeled*>);
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()) {
DOMProxyHandler::getInstance()->finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> 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<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> 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<mozilla::glean::GleanLabeled> creator(aCx);
creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(),
proto, /* aLazyProto = */ false,
aObject, JS::UndefinedHandleValue, 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<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::GleanLabeled);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::GleanLabeled);
JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
if (!parentProto) {
return;
}
JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
nullptr,
nullptr,
"GleanLabeled", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace GleanLabeled_Binding
} // namespace mozilla::dom