bool toV8TestDictionaryDerivedImplementedAs(const TestDictionaryDerivedImplementedAs& impl, v8::Local<v8::Object> dictionary, v8::Local<v8::Object> creationContext, v8::Isolate* isolate)
{
if (impl.hasDerivedStringMember()) {
if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "derivedStringMember"), v8String(isolate, impl.derivedStringMember()))))
return false;
}
if (impl.hasDerivedStringMemberWithDefault()) {
if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "derivedStringMemberWithDefault"), v8String(isolate, impl.derivedStringMemberWithDefault()))))
return false;
} else {
if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "derivedStringMemberWithDefault"), v8String(isolate, String("default string value")))))
return false;
}
if (impl.hasRequiredLongMember()) {
if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "requiredLongMember"), v8::Integer::New(isolate, impl.requiredLongMember()))))
return false;
} else {
ASSERT_NOT_REACHED();
}
if (impl.hasStringOrDoubleSequenceMember()) {
if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "stringOrDoubleSequenceMember"), toV8(impl.stringOrDoubleSequenceMember(), creationContext, isolate))))
return false;
}
return true;
}
bool toV8TestDictionaryDerivedImplementedAs(const TestDictionaryDerivedImplementedAs& impl, v8::Local<v8::Object> dictionary, v8::Local<v8::Object> creationContext, v8::Isolate* isolate)
{
// TODO(bashi): Use ForceSet() instead of Set(). http://crbug.com/476720
if (impl.hasDerivedStringMember()) {
if (!v8CallBoolean(dictionary->Set(isolate->GetCurrentContext(), v8String(isolate, "derivedStringMember"), v8String(isolate, impl.derivedStringMember()))))
return false;
}
if (impl.hasDerivedStringMemberWithDefault()) {
if (!v8CallBoolean(dictionary->Set(isolate->GetCurrentContext(), v8String(isolate, "derivedStringMemberWithDefault"), v8String(isolate, impl.derivedStringMemberWithDefault()))))
return false;
} else {
if (!v8CallBoolean(dictionary->Set(isolate->GetCurrentContext(), v8String(isolate, "derivedStringMemberWithDefault"), v8String(isolate, String("default string value")))))
return false;
}
if (impl.hasRequiredLongMember()) {
if (!v8CallBoolean(dictionary->Set(isolate->GetCurrentContext(), v8String(isolate, "requiredLongMember"), v8::Integer::New(isolate, impl.requiredLongMember()))))
return false;
} else {
ASSERT_NOT_REACHED();
}
return true;
}
v8::Local<v8::Function> V8PerContextData::constructorForTypeSlowCase(
const WrapperTypeInfo* type) {
ASSERT(!m_errorPrototype.isEmpty());
v8::Local<v8::Context> currentContext = context();
v8::Context::Scope scope(currentContext);
const DOMWrapperWorld& world = DOMWrapperWorld::world(currentContext);
// We shouldn't reach this point for the types that are implemented in v8 such
// as typed arrays and hence don't have domTemplateFunction.
ASSERT(type->domTemplateFunction);
v8::Local<v8::FunctionTemplate> interfaceTemplate =
type->domTemplate(m_isolate, world);
// Getting the function might fail if we're running out of stack or memory.
v8::Local<v8::Function> interfaceObject;
if (!interfaceTemplate->GetFunction(currentContext).ToLocal(&interfaceObject))
return v8::Local<v8::Function>();
if (type->parentClass) {
v8::Local<v8::Object> prototypeTemplate =
constructorForType(type->parentClass);
if (prototypeTemplate.IsEmpty())
return v8::Local<v8::Function>();
if (!v8CallBoolean(
interfaceObject->SetPrototype(currentContext, prototypeTemplate)))
return v8::Local<v8::Function>();
}
v8::Local<v8::Value> prototypeValue;
if (!interfaceObject
->Get(currentContext, v8AtomicString(m_isolate, "prototype"))
.ToLocal(&prototypeValue) ||
!prototypeValue->IsObject())
return v8::Local<v8::Function>();
v8::Local<v8::Object> prototypeObject = prototypeValue.As<v8::Object>();
if (prototypeObject->InternalFieldCount() == v8PrototypeInternalFieldcount &&
type->wrapperTypePrototype == WrapperTypeInfo::WrapperTypeObjectPrototype)
prototypeObject->SetAlignedPointerInInternalField(
v8PrototypeTypeIndex, const_cast<WrapperTypeInfo*>(type));
type->preparePrototypeAndInterfaceObject(currentContext, world,
prototypeObject, interfaceObject,
interfaceTemplate);
if (type->wrapperTypePrototype ==
WrapperTypeInfo::WrapperTypeExceptionPrototype) {
if (!v8CallBoolean(prototypeObject->SetPrototype(
currentContext, m_errorPrototype.newLocal(m_isolate))))
return v8::Local<v8::Function>();
}
// Origin Trials
installConditionalFeatures(type, ScriptState::from(currentContext),
prototypeObject, interfaceObject);
m_constructorMap.Set(type, interfaceObject);
return interfaceObject;
}
v8::Local<v8::Object> v8IteratorResultValue(v8::Isolate* isolate, bool done, v8::Local<v8::Value> value)
{
v8::Local<v8::Object> result = v8::Object::New(isolate);
if (value.IsEmpty())
value = v8::Undefined(isolate);
if (!v8CallBoolean(result->Set(isolate->GetCurrentContext(), v8String(isolate, "done"), v8Boolean(done, isolate)))
|| !v8CallBoolean(result->Set(isolate->GetCurrentContext(), v8String(isolate, "value"), value)))
return v8::Local<v8::Object>();
return result;
}
static v8::Local<v8::Object> wrapInShadowTemplate(v8::Local<v8::Object> wrapper, ScriptWrappable* scriptWrappable, v8::Isolate* isolate)
{
static int shadowTemplateKey; // This address is used for a key to look up the dom template.
V8PerIsolateData* data = V8PerIsolateData::from(isolate);
v8::Local<v8::FunctionTemplate> shadowTemplate = data->existingDOMTemplate(&shadowTemplateKey);
if (shadowTemplate.IsEmpty()) {
shadowTemplate = v8::FunctionTemplate::New(isolate);
if (shadowTemplate.IsEmpty())
return v8::Local<v8::Object>();
shadowTemplate->SetClassName(v8AtomicString(isolate, "HTMLDocument"));
shadowTemplate->Inherit(V8HTMLDocument::domTemplate(isolate));
shadowTemplate->InstanceTemplate()->SetInternalFieldCount(V8HTMLDocument::internalFieldCount);
data->setDOMTemplate(&shadowTemplateKey, shadowTemplate);
}
v8::Local<v8::Function> shadowConstructor;
if (!shadowTemplate->GetFunction(isolate->GetCurrentContext()).ToLocal(&shadowConstructor))
return v8::Local<v8::Object>();
v8::Local<v8::Object> shadow;
if (!V8ScriptRunner::instantiateObject(isolate, shadowConstructor).ToLocal(&shadow))
return v8::Local<v8::Object>();
if (!v8CallBoolean(shadow->SetPrototype(isolate->GetCurrentContext(), wrapper)))
return v8::Local<v8::Object>();
V8DOMWrapper::setNativeInfo(wrapper, &V8HTMLDocument::wrapperTypeInfo, scriptWrappable);
return shadow;
}
void WindowProxy::updateDocumentProperty()
{
if (!m_world->isMainWorld())
return;
if (m_frame->isRemoteFrame()) {
return;
}
ScriptState::Scope scope(m_scriptState.get());
v8::Local<v8::Context> context = m_scriptState->context();
LocalFrame* frame = toLocalFrame(m_frame);
v8::Local<v8::Value> documentWrapper = toV8(frame->document(), context->Global(), context->GetIsolate());
if (documentWrapper.IsEmpty())
return;
ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Local<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document.newLocal(m_isolate), frame->document());
ASSERT(documentWrapper->IsObject());
// TODO(jochen): Don't replace the accessor with a data value. We need a way to tell v8 that the accessor's return value won't change after this point.
if (!v8CallBoolean(context->Global()->ForceSet(context, v8AtomicString(m_isolate, "document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete))))
return;
// We also stash a reference to the document on the inner global object so that
// LocalDOMWindow objects we obtain from JavaScript references are guaranteed to have
// live Document objects.
V8HiddenValue::setHiddenValue(m_scriptState.get(), v8::Local<v8::Object>::Cast(context->Global()->GetPrototype()), V8HiddenValue::document(m_isolate), documentWrapper);
}
bool WorkerScriptController::initializeContextIfNeeded()
{
v8::HandleScope handleScope(isolate());
if (isContextInitialized())
return true;
v8::Local<v8::Context> context = v8::Context::New(isolate());
if (context.IsEmpty())
return false;
m_scriptState = ScriptState::create(context, m_world);
ScriptState::Scope scope(m_scriptState.get());
// Name new context for debugging.
WorkerScriptDebugServer::setContextDebugData(context);
// Create a new JS object and use it as the prototype for the shadow global object.
const WrapperTypeInfo* wrapperTypeInfo = m_workerGlobalScope.wrapperTypeInfo();
v8::Local<v8::Function> workerGlobalScopeConstructor = m_scriptState->perContextData()->constructorForType(wrapperTypeInfo);
v8::Local<v8::Object> jsWorkerGlobalScope = V8ObjectConstructor::newInstance(isolate(), workerGlobalScopeConstructor);
if (jsWorkerGlobalScope.IsEmpty()) {
m_scriptState->disposePerContextData();
return false;
}
V8DOMWrapper::associateObjectWithWrapper(isolate(), &m_workerGlobalScope, wrapperTypeInfo, jsWorkerGlobalScope);
// Insert the object instance as the prototype of the shadow object.
v8::Local<v8::Object> globalObject = v8::Local<v8::Object>::Cast(m_scriptState->context()->Global()->GetPrototype());
return v8CallBoolean(globalObject->SetPrototype(context, jsWorkerGlobalScope));
}
void WindowProxy::updateDocumentProperty()
{
if (!m_world->isMainWorld())
return;
if (m_frame->isRemoteFrame()) {
return;
}
ScriptState::Scope scope(m_scriptState.get());
v8::Local<v8::Context> context = m_scriptState->context();
LocalFrame* frame = toLocalFrame(m_frame);
v8::Local<v8::Value> documentWrapper = toV8(frame->document(), context->Global(), context->GetIsolate());
if (documentWrapper.IsEmpty())
return;
ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Local<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document.newLocal(m_isolate), frame->document());
ASSERT(documentWrapper->IsObject());
// TODO(jochen): Don't replace the accessor with a data value. We need a way to tell v8 that the accessor's return value won't change after this point.
if (!v8CallBoolean(context->Global()->ForceSet(context, v8AtomicString(m_isolate, "document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete))))
return;
}
void WindowProxy::updateDocumentProperty()
{
if (!m_world->isMainWorld())
return;
if (m_frame->isRemoteFrame()) {
return;
}
ScriptState::Scope scope(m_scriptState.get());
v8::Local<v8::Context> context = m_scriptState->context();
LocalFrame* frame = toLocalFrame(m_frame);
v8::Local<v8::Value> documentWrapper = toV8(frame->document(), context->Global(), context->GetIsolate());
if (documentWrapper.IsEmpty())
return;
ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Local<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document.newLocal(m_isolate), frame->document());
ASSERT(documentWrapper->IsObject());
// TODO(bashi): Avoid using ForceSet(). When we use accessors to implement
// attributes, we may be able to remove updateDocumentProperty().
if (!v8CallBoolean(context->Global()->ForceSet(context, v8AtomicString(m_isolate, "document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete))))
return;
// We also stash a reference to the document on the inner global object so that
// LocalDOMWindow objects we obtain from JavaScript references are guaranteed to have
// live Document objects.
V8HiddenValue::setHiddenValue(m_isolate, toInnerGlobalObject(context), V8HiddenValue::document(m_isolate), documentWrapper);
}
bool Dictionary::getOwnPropertiesAsStringHashMap(
HashMap<String, String>& hashMap) const {
v8::Local<v8::Object> object;
if (!toObject(object))
return false;
v8::Local<v8::Array> properties;
if (!object->GetOwnPropertyNames(v8Context()).ToLocal(&properties))
return false;
for (uint32_t i = 0; i < properties->Length(); ++i) {
v8::Local<v8::String> key;
if (!propertyKey(v8Context(), properties, i, key))
continue;
if (!v8CallBoolean(object->Has(v8Context(), key)))
continue;
v8::Local<v8::Value> value;
if (!object->Get(v8Context(), key).ToLocal(&value))
continue;
TOSTRING_DEFAULT(V8StringResource<>, stringKey, key, false);
TOSTRING_DEFAULT(V8StringResource<>, stringValue, value, false);
if (!static_cast<const String&>(stringKey).isEmpty())
hashMap.set(stringKey, stringValue);
}
return true;
}
bool V0CustomElementConstructorBuilder::validateOptions(const AtomicString& type, QualifiedName& tagName, ExceptionState& exceptionState)
{
ASSERT(m_prototype.IsEmpty());
v8::TryCatch tryCatch(m_scriptState->isolate());
if (!m_scriptState->perContextData()) {
// FIXME: This should generate an InvalidContext exception at a later point.
V0CustomElementException::throwException(V0CustomElementException::ContextDestroyedCheckingPrototype, type, exceptionState);
tryCatch.ReThrow();
return false;
}
if (m_options.hasPrototype()) {
ASSERT(m_options.prototype().isObject());
m_prototype = m_options.prototype().v8Value().As<v8::Object>();
} else {
m_prototype = v8::Object::New(m_scriptState->isolate());
v8::Local<v8::Object> basePrototype = m_scriptState->perContextData()->prototypeForType(&V8HTMLElement::wrapperTypeInfo);
if (!basePrototype.IsEmpty()) {
if (!v8CallBoolean(m_prototype->SetPrototype(m_scriptState->context(), basePrototype)))
return false;
}
}
AtomicString namespaceURI = HTMLNames::xhtmlNamespaceURI;
if (hasValidPrototypeChainFor(&V8SVGElement::wrapperTypeInfo))
namespaceURI = SVGNames::svgNamespaceURI;
ASSERT(!tryCatch.HasCaught());
AtomicString localName;
if (m_options.hasExtends()) {
localName = AtomicString(m_options.extends().lower());
if (!Document::isValidName(localName)) {
V0CustomElementException::throwException(V0CustomElementException::ExtendsIsInvalidName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
if (V0CustomElement::isValidName(localName)) {
V0CustomElementException::throwException(V0CustomElementException::ExtendsIsCustomElementName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
} else {
if (namespaceURI == SVGNames::svgNamespaceURI) {
V0CustomElementException::throwException(V0CustomElementException::ExtendsIsInvalidName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
localName = type;
}
ASSERT(!tryCatch.HasCaught());
tagName = QualifiedName(nullAtom, localName, namespaceURI);
return true;
}
void V8InjectedScriptHost::setNonEnumPropertyCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
{
if (info.Length() < 3 || !info[0]->IsObject() || !info[1]->IsString())
return;
v8::Local<v8::Object> object = info[0].As<v8::Object>();
v8CallBoolean(object->DefineOwnProperty(info.GetIsolate()->GetCurrentContext(), info[1].As<v8::String>(), info[2], v8::DontEnum));
}
bool toV8TestInterfaceEventInit(const TestInterfaceEventInit& impl, v8::Local<v8::Object> dictionary, v8::Local<v8::Object> creationContext, v8::Isolate* isolate)
{
if (impl.hasStringMember()) {
if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8String(isolate, "stringMember"), v8String(isolate, impl.stringMember()))))
return false;
}
return true;
}
bool Dictionary::hasProperty(const StringView& key) const {
v8::Local<v8::Object> object;
if (!toObject(object))
return false;
DCHECK(m_isolate);
DCHECK_EQ(m_isolate, v8::Isolate::GetCurrent());
return v8CallBoolean(object->Has(v8Context(), v8String(m_isolate, key)));
}
ScriptValue WebGLAny(ScriptState* scriptState, const bool* value, size_t size) {
v8::Local<v8::Array> array = v8::Array::New(scriptState->isolate(), size);
for (size_t i = 0; i < size; ++i) {
if (!v8CallBoolean(array->CreateDataProperty(
scriptState->context(), i,
v8Boolean(value[i], scriptState->isolate()))))
return ScriptValue();
}
return ScriptValue(scriptState, array);
}
bool V8HiddenValue::setHiddenValue(ScriptState* scriptState,
v8::Local<v8::Object> object,
v8::Local<v8::String> key,
v8::Local<v8::Value> value) {
if (UNLIKELY(value.IsEmpty()))
return false;
return v8CallBoolean(object->SetPrivate(
scriptState->context(), v8::Private::ForApi(scriptState->isolate(), key),
value));
}
bool V8HiddenValue::deleteHiddenValue(ScriptState* scriptState,
v8::Local<v8::Object> object,
v8::Local<v8::String> key) {
// Actually deleting the value would make force the object into dictionary
// mode which is unnecessarily slow. Instead, we replace the hidden value with
// "undefined".
return v8CallBoolean(object->SetPrivate(
scriptState->context(), v8::Private::ForApi(scriptState->isolate(), key),
v8::Undefined(scriptState->isolate())));
}
bool toV8TestPermissiveDictionary(const TestPermissiveDictionary& impl, v8::Local<v8::Object> dictionary, v8::Local<v8::Object> creationContext, v8::Isolate* isolate)
{
// TODO(bashi): Use ForceSet() instead of Set(). http://crbug.com/476720
if (impl.hasBooleanMember()) {
if (!v8CallBoolean(dictionary->Set(isolate->GetCurrentContext(), v8String(isolate, "booleanMember"), v8Boolean(impl.booleanMember(), isolate))))
return false;
}
return true;
}
ScriptValue WebGLAny(ScriptState* scriptState, const Vector<int>& value) {
size_t size = value.size();
v8::Local<v8::Array> array = v8::Array::New(scriptState->isolate(), size);
for (size_t i = 0; i < size; ++i) {
if (!v8CallBoolean(array->CreateDataProperty(
scriptState->context(), i,
v8::Integer::New(scriptState->isolate(), value[i]))))
return ScriptValue();
}
return ScriptValue(scriptState, array);
}
bool Dictionary::hasProperty(const String& key) const
{
v8::Local<v8::Object> object;
if (!toObject(object))
return false;
ASSERT(m_isolate);
ASSERT(m_isolate == v8::Isolate::GetCurrent());
ASSERT(m_exceptionState);
v8::Local<v8::String> v8Key = v8String(m_isolate, key);
return v8CallBoolean(object->Has(v8Context(), v8Key));
}
bool Dictionary::getInternal(const v8::Local<v8::Value>& key,
v8::Local<v8::Value>& result) const {
v8::Local<v8::Object> object;
if (!toObject(object))
return false;
DCHECK(m_isolate);
DCHECK_EQ(m_isolate, v8::Isolate::GetCurrent());
if (!v8CallBoolean(object->Has(v8Context(), key)))
return false;
return object->Get(v8Context(), key).ToLocal(&result);
}
// Create a V8 object with an interceptor of NPObjectPropertyGetter.
bool ScriptController::bindToWindowObject(LocalFrame* frame, const String& key, NPObject* object)
{
ScriptState* scriptState = ScriptState::forMainWorld(frame);
if (!scriptState->contextIsValid())
return false;
ScriptState::Scope scope(scriptState);
v8::Local<v8::Object> value = createV8ObjectForNPObject(isolate(), object, 0);
// Attach to the global object.
return v8CallBoolean(scriptState->context()->Global()->Set(scriptState->context(), v8String(isolate(), key), value));
}
void V8TestInterfacePartial::preparePrototypeAndInterfaceObject(v8::Local<v8::Context> context, v8::Local<v8::Object> prototypeObject, v8::Local<v8::Function> interfaceObject, v8::Local<v8::FunctionTemplate> interfaceTemplate)
{
V8TestInterface::preparePrototypeAndInterfaceObject(context, prototypeObject, interfaceObject, interfaceTemplate);
v8::Isolate* isolate = context->GetIsolate();
v8::Local<v8::Name> unscopablesSymbol(v8::Symbol::GetUnscopables(isolate));
v8::Local<v8::Object> unscopeables;
if (v8CallBoolean(prototypeObject->HasOwnProperty(context, unscopablesSymbol)))
unscopeables = prototypeObject->Get(context, unscopablesSymbol).ToLocalChecked().As<v8::Object>();
else
unscopeables = v8::Object::New(isolate);
unscopeables->CreateDataProperty(context, v8AtomicString(isolate, "unscopeableVoidMethod"), v8::True(isolate)).FromJust();
prototypeObject->CreateDataProperty(context, unscopablesSymbol, unscopeables).FromJust();
}
static NPObject* makeStringArrayImpl(const WebVector<WebString>& data, v8::Isolate* isolate)
{
v8::HandleScope handleScope(isolate);
v8::Local<v8::Array> result = v8::Array::New(isolate, data.size());
for (size_t i = 0; i < data.size(); ++i) {
if (!v8CallBoolean(result->Set(isolate->GetCurrentContext(), v8::Integer::New(isolate, i), v8String(isolate, data[i])))) {
result.Clear();
break;
}
}
LocalDOMWindow* window = currentDOMWindow(isolate);
return npCreateV8ScriptObject(isolate, 0, result, window);
}
v8::Local<v8::Value> V8HiddenValue::getHiddenValue(ScriptState* scriptState,
v8::Local<v8::Object> object,
v8::Local<v8::String> key) {
v8::Local<v8::Context> context = scriptState->context();
v8::Local<v8::Private> privateKey =
v8::Private::ForApi(scriptState->isolate(), key);
v8::Local<v8::Value> value;
// Callsites interpret an empty handle has absence of a result.
if (!v8CallBoolean(object->HasPrivate(context, privateKey)))
return v8::Local<v8::Value>();
if (object->GetPrivate(context, privateKey).ToLocal(&value))
return value;
return v8::Local<v8::Value>();
}
bool Dictionary::getInternal(const v8::Local<v8::Value>& key,
v8::Local<v8::Value>& result) const {
if (m_dictionaryObject.IsEmpty())
return false;
if (!v8CallBoolean(m_dictionaryObject->Has(v8Context(), key)))
return false;
// Swallow a possible exception in v8::Object::Get().
// TODO(bashi,yukishiino): Should rethrow the exception.
// http://crbug.com/666661
v8::TryCatch tryCatch(isolate());
return m_dictionaryObject->Get(v8Context(), key).ToLocal(&result);
}
bool Dictionary::getKey(const String& key, v8::Local<v8::Value>& value) const
{
v8::Local<v8::Object> object;
if (!toObject(object))
return false;
ASSERT(m_isolate);
ASSERT(m_isolate == v8::Isolate::GetCurrent());
ASSERT(m_exceptionState);
v8::Local<v8::String> v8Key = v8String(m_isolate, key);
if (!v8CallBoolean(object->Has(v8Context(), v8Key)))
return false;
return object->Get(v8Context(), v8Key).ToLocal(&value);
}
v8::Local<v8::Object> ImageData::associateWithWrapper(v8::Isolate* isolate, const WrapperTypeInfo* wrapperType, v8::Local<v8::Object> wrapper)
{
wrapper = ScriptWrappable::associateWithWrapper(isolate, wrapperType, wrapper);
if (!wrapper.IsEmpty() && m_data.get()) {
// Create a V8 Uint8ClampedArray object and set the "data" property
// of the ImageData object to the created v8 object, eliminating the
// C++ callback when accessing the "data" property.
v8::Local<v8::Value> pixelArray = toV8(m_data.get(), wrapper, isolate);
if (pixelArray.IsEmpty() || !v8CallBoolean(wrapper->DefineOwnProperty(isolate->GetCurrentContext(), v8AtomicString(isolate, "data"), pixelArray, v8::ReadOnly)))
return v8::Local<v8::Object>();
}
return wrapper;
}
v8::Local<v8::Function> V8PerContextData::constructorForTypeSlowCase(const WrapperTypeInfo* type)
{
ASSERT(!m_errorPrototype.isEmpty());
v8::Local<v8::Context> currentContext = context();
v8::Context::Scope scope(currentContext);
// We shouldn't reach this point for the types that are implemented in v8 such as typed arrays and
// hence don't have domTemplateFunction.
ASSERT(type->domTemplateFunction);
v8::Local<v8::FunctionTemplate> functionTemplate = type->domTemplate(m_isolate);
// Getting the function might fail if we're running out of stack or memory.
v8::Local<v8::Function> function;
if (!functionTemplate->GetFunction(currentContext).ToLocal(&function))
return v8::Local<v8::Function>();
if (type->parentClass) {
v8::Local<v8::Object> prototypeTemplate = constructorForType(type->parentClass);
if (prototypeTemplate.IsEmpty())
return v8::Local<v8::Function>();
if (!v8CallBoolean(function->SetPrototype(currentContext, prototypeTemplate)))
return v8::Local<v8::Function>();
}
v8::Local<v8::Object> prototypeObject = function->Get(currentContext, v8AtomicString(m_isolate, "prototype")).ToLocalChecked().As<v8::Object>();
if (prototypeObject->InternalFieldCount() == v8PrototypeInternalFieldcount
&& type->wrapperTypePrototype == WrapperTypeInfo::WrapperTypeObjectPrototype)
prototypeObject->SetAlignedPointerInInternalField(v8PrototypeTypeIndex, const_cast<WrapperTypeInfo*>(type));
type->preparePrototypeObject(m_isolate, prototypeObject, functionTemplate);
if (type->wrapperTypePrototype == WrapperTypeInfo::WrapperTypeExceptionPrototype) {
if (!v8CallBoolean(prototypeObject->SetPrototype(currentContext, m_errorPrototype.newLocal(m_isolate))))
return v8::Local<v8::Function>();
}
m_constructorMap.Set(type, function);
return function;
}
static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
{
TestInterface2* impl = V8TestInterface2::toImpl(info.Holder());
Vector<String> names;
ExceptionState exceptionState(ExceptionState::EnumerationContext, "TestInterface2", info.Holder(), info.GetIsolate());
impl->namedPropertyEnumerator(names, exceptionState);
if (exceptionState.throwIfNeeded())
return;
v8::Local<v8::Array> v8names = v8::Array::New(info.GetIsolate(), names.size());
for (size_t i = 0; i < names.size(); ++i) {
if (!v8CallBoolean(v8names->CreateDataProperty(info.GetIsolate()->GetCurrentContext(), i, v8String(info.GetIsolate(), names[i]))))
return;
}
v8SetReturnValue(info, v8names);
}
