sky/engine/bindings/templates/interface.cpp

{% extends 'interface_base.cpp' %}


{##############################################################################}
{% block constructor_getter %}
{% if has_constructor_attributes %}
static void {{cpp_class}}ConstructorGetter(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    v8::Handle<v8::Value> data = info.Data();
    ASSERT(data->IsExternal());
    V8PerContextData* perContextData = V8PerContextData::from(info.Holder()->CreationContext());
    if (!perContextData)
        return;
    v8SetReturnValue(info, perContextData->constructorForType(WrapperTypeInfo::unwrap(data)));
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block replaceable_attribute_setter_and_callback %}
{% if has_replaceable_attributes or has_constructor_attributes %}
static void {{cpp_class}}ForceSetAttributeOnThis(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
{
    {% if is_check_security %}
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    v8::String::Utf8Value attributeName(name);
    ExceptionState exceptionState(ExceptionState::SetterContext, *attributeName, "{{interface_name}}", info.Holder(), info.GetIsolate());
    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
        exceptionState.throwIfNeeded();
        return;
    }
    {% endif %}
    if (info.This()->IsObject())
        v8::Handle<v8::Object>::Cast(info.This())->ForceSet(name, v8Value);
}

static void {{cpp_class}}ForceSetAttributeOnThisCallback(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
{
    {{cpp_class}}V8Internal::{{cpp_class}}ForceSetAttributeOnThis(name, v8Value, info);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block security_check_functions %}
{% if has_access_check_callbacks %}
bool indexedSecurityCheck(v8::Local<v8::Object> host, uint32_t index, v8::AccessType type, v8::Local<v8::Value>)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(host);
    return BindingSecurity::shouldAllowAccessToFrame(v8::Isolate::GetCurrent(), impl->frame(), DoNotReportSecurityError);
}

bool namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value>)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(host);
    return BindingSecurity::shouldAllowAccessToFrame(v8::Isolate::GetCurrent(), impl->frame(), DoNotReportSecurityError);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block indexed_property_getter %}
{% if indexed_property_getter and not indexed_property_getter.is_custom %}
{% set getter = indexed_property_getter %}
static void indexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    {% if getter.is_raises_exception %}
    ExceptionState exceptionState(ExceptionState::IndexedGetterContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
    {% endif %}
    {% set getter_name = getter.name or 'anonymousIndexedGetter' %}
    {% set getter_arguments = ['index', 'exceptionState']
           if getter.is_raises_exception else ['index'] %}
    {{getter.cpp_type}} result = impl->{{getter_name}}({{getter_arguments | join(', ')}});
    {% if getter.is_raises_exception %}
    if (exceptionState.throwIfNeeded())
        return;
    {% endif %}
    if ({{getter.is_null_expression}})
        return;
    {{getter.v8_set_return_value}};
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block indexed_property_getter_callback %}
{% if indexed_property_getter %}
{% set getter = indexed_property_getter %}
static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMIndexedProperty");
    {% if getter.is_custom %}
    {{v8_class}}::indexedPropertyGetterCustom(index, info);
    {% else %}
    {{cpp_class}}V8Internal::indexedPropertyGetter(index, info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block indexed_property_setter %}
{% if indexed_property_setter and not indexed_property_setter.is_custom %}
{% set setter = indexed_property_setter %}
static void indexedPropertySetter(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    {{setter.v8_value_to_local_cpp_value}};
    {% if setter.has_exception_state %}
    ExceptionState exceptionState(ExceptionState::IndexedSetterContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
    {% endif %}
    {% if setter.has_type_checking_interface %}
    {# Type checking for interface types (if interface not implemented, throw
       TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
    if (!isUndefinedOrNull(v8Value) && !V8{{setter.idl_type}}::hasInstance(v8Value, info.GetIsolate())) {
        exceptionState.throwTypeError("The provided value is not of type '{{setter.idl_type}}'.");
        exceptionState.throwIfNeeded();
        return;
    }
    {% endif %}
    {% set setter_name = setter.name or 'anonymousIndexedSetter' %}
    {% set setter_arguments = ['index', 'propertyValue', 'exceptionState']
           if setter.is_raises_exception else ['index', 'propertyValue'] %}
    bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
    {% if setter.is_raises_exception %}
    if (exceptionState.throwIfNeeded())
        return;
    {% endif %}
    if (!result)
        return;
    v8SetReturnValue(info, v8Value);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block indexed_property_setter_callback %}
{% if indexed_property_setter %}
{% set setter = indexed_property_setter %}
static void indexedPropertySetterCallback(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMIndexedProperty");
    {% if setter.is_custom %}
    {{v8_class}}::indexedPropertySetterCustom(index, v8Value, info);
    {% else %}
    {{cpp_class}}V8Internal::indexedPropertySetter(index, v8Value, info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block indexed_property_deleter %}
{% if indexed_property_deleter and not indexed_property_deleter.is_custom %}
{% set deleter = indexed_property_deleter %}
static void indexedPropertyDeleter(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    {% if deleter.is_raises_exception %}
    ExceptionState exceptionState(ExceptionState::IndexedDeletionContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
    {% endif %}
    {% set deleter_name = deleter.name or 'anonymousIndexedDeleter' %}
    {% set deleter_arguments = ['index', 'exceptionState']
           if deleter.is_raises_exception else ['index'] %}
    DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
    {% if deleter.is_raises_exception %}
    if (exceptionState.throwIfNeeded())
        return;
    {% endif %}
    if (result != DeleteUnknownProperty)
        return v8SetReturnValueBool(info, result == DeleteSuccess);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block indexed_property_deleter_callback %}
{% if indexed_property_deleter %}
{% set deleter = indexed_property_deleter %}
static void indexedPropertyDeleterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMIndexedProperty");
    {% if deleter.is_custom %}
    {{v8_class}}::indexedPropertyDeleterCustom(index, info);
    {% else %}
    {{cpp_class}}V8Internal::indexedPropertyDeleter(index, info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% from 'methods.cpp' import union_type_method_call_and_set_return_value %}
{% block named_property_getter %}
{% if named_property_getter and not named_property_getter.is_custom %}
{% set getter = named_property_getter %}
static void namedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    {% if not is_override_builtins %}
    if (info.Holder()->HasRealNamedProperty(name))
        return;
    if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(name).IsEmpty())
        return;

    {% endif %}
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    AtomicString propertyName = toCoreAtomicString(name);
    {% if getter.is_raises_exception %}
    v8::String::Utf8Value namedProperty(name);
    ExceptionState exceptionState(ExceptionState::GetterContext, *namedProperty, "{{interface_name}}", info.Holder(), info.GetIsolate());
    {% endif %}
    {% if getter.union_arguments %}
    {{union_type_method_call_and_set_return_value(getter) | indent}}
    {% else %}
    {{getter.cpp_type}} result = {{getter.cpp_value}};
    {% if getter.is_raises_exception %}
    if (exceptionState.throwIfNeeded())
        return;
    {% endif %}
    if ({{getter.is_null_expression}})
        return;
    {{getter.v8_set_return_value}};
    {% endif %}
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_getter_callback %}
{% if named_property_getter %}
{% set getter = named_property_getter %}
static void namedPropertyGetterCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMNamedProperty");
    {% if getter.is_custom %}
    {{v8_class}}::namedPropertyGetterCustom(name, info);
    {% else %}
    {{cpp_class}}V8Internal::namedPropertyGetter(name, info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_setter %}
{% if named_property_setter and not named_property_setter.is_custom %}
{% set setter = named_property_setter %}
static void namedPropertySetter(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    {% if not is_override_builtins %}
    if (info.Holder()->HasRealNamedProperty(name))
        return;
    if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(name).IsEmpty())
        return;

    {% endif %}
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    {# v8_value_to_local_cpp_value('DOMString', 'name', 'propertyName') #}
    TOSTRING_VOID(V8StringResource<>, propertyName, name);
    {{setter.v8_value_to_local_cpp_value}};
    {% if setter.has_exception_state %}
    v8::String::Utf8Value namedProperty(name);
    ExceptionState exceptionState(ExceptionState::SetterContext, *namedProperty, "{{interface_name}}", info.Holder(), info.GetIsolate());
    {% endif %}
    {% set setter_name = setter.name or 'anonymousNamedSetter' %}
    {% set setter_arguments =
           ['propertyName', 'propertyValue', 'exceptionState']
           if setter.is_raises_exception else
           ['propertyName', 'propertyValue'] %}
    bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
    {% if setter.is_raises_exception %}
    if (exceptionState.throwIfNeeded())
        return;
    {% endif %}
    if (!result)
        return;
    v8SetReturnValue(info, v8Value);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_setter_callback %}
{% if named_property_setter %}
{% set setter = named_property_setter %}
static void namedPropertySetterCallback(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMNamedProperty");
    {% if setter.is_custom %}
    {{v8_class}}::namedPropertySetterCustom(name, v8Value, info);
    {% else %}
    {{cpp_class}}V8Internal::namedPropertySetter(name, v8Value, info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_query %}
{% if named_property_getter and named_property_getter.is_enumerable and
      not named_property_getter.is_custom_property_query %}
{# If there is an enumerator, there MUST be a query method to properly
   communicate property attributes. #}
static void namedPropertyQuery(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    AtomicString propertyName = toCoreAtomicString(name);
    v8::String::Utf8Value namedProperty(name);
    ExceptionState exceptionState(ExceptionState::GetterContext, *namedProperty, "{{interface_name}}", info.Holder(), info.GetIsolate());
    bool result = impl->namedPropertyQuery(propertyName, exceptionState);
    if (exceptionState.throwIfNeeded())
        return;
    if (!result)
        return;
    v8SetReturnValueInt(info, v8::None);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_query_callback %}
{% if named_property_getter and named_property_getter.is_enumerable %}
{% set getter = named_property_getter %}
static void namedPropertyQueryCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMNamedProperty");
    {% if getter.is_custom_property_query %}
    {{v8_class}}::namedPropertyQueryCustom(name, info);
    {% else %}
    {{cpp_class}}V8Internal::namedPropertyQuery(name, info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_deleter %}
{% if named_property_deleter and not named_property_deleter.is_custom %}
{% set deleter = named_property_deleter %}
static void namedPropertyDeleter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Boolean>& info)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    AtomicString propertyName = toCoreAtomicString(name);
    {% if deleter.is_raises_exception %}
    v8::String::Utf8Value namedProperty(name);
    ExceptionState exceptionState(ExceptionState::DeletionContext, *namedProperty, "{{interface_name}}", info.Holder(), info.GetIsolate());
    {% endif %}
    {% set deleter_name = deleter.name or 'anonymousNamedDeleter' %}
    {% set deleter_arguments = ['propertyName', 'exceptionState']
           if deleter.is_raises_exception else ['propertyName'] %}
    DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
    {% if deleter.is_raises_exception %}
    if (exceptionState.throwIfNeeded())
        return;
    {% endif %}
    if (result != DeleteUnknownProperty)
        return v8SetReturnValueBool(info, result == DeleteSuccess);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_deleter_callback %}
{% if named_property_deleter %}
{% set deleter = named_property_deleter %}
static void namedPropertyDeleterCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Boolean>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMNamedProperty");
    {% if deleter.is_custom %}
    {{v8_class}}::namedPropertyDeleterCustom(name, info);
    {% else %}
    {{cpp_class}}V8Internal::namedPropertyDeleter(name, info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_enumerator %}
{% if named_property_getter and named_property_getter.is_enumerable and
      not named_property_getter.is_custom_property_enumerator %}
static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
{
    {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder());
    Vector<String> names;
    ExceptionState exceptionState(ExceptionState::EnumerationContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
    impl->namedPropertyEnumerator(names, exceptionState);
    if (exceptionState.throwIfNeeded())
        return;
    v8::Handle<v8::Array> v8names = v8::Array::New(info.GetIsolate(), names.size());
    for (size_t i = 0; i < names.size(); ++i)
        v8names->Set(v8::Integer::New(info.GetIsolate(), i), v8String(info.GetIsolate(), names[i]));
    v8SetReturnValue(info, v8names);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block named_property_enumerator_callback %}
{% if named_property_getter and named_property_getter.is_enumerable %}
{% set getter = named_property_getter %}
static void namedPropertyEnumeratorCallback(const v8::PropertyCallbackInfo<v8::Array>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMNamedProperty");
    {% if getter.is_custom_property_enumerator %}
    {{v8_class}}::namedPropertyEnumeratorCustom(info);
    {% else %}
    {{cpp_class}}V8Internal::namedPropertyEnumerator(info);
    {% endif %}
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block origin_safe_method_setter %}
{% if has_origin_safe_method_setter %}
static void {{cpp_class}}OriginSafeMethodSetter(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
{
    v8::Handle<v8::Object> holder = {{v8_class}}::findInstanceInPrototypeChain(info.This(), info.GetIsolate());
    if (holder.IsEmpty())
        return;
    {{cpp_class}}* impl = {{v8_class}}::toNative(holder);
    v8::String::Utf8Value attributeName(name);
    ExceptionState exceptionState(ExceptionState::SetterContext, *attributeName, "{{interface_name}}", info.Holder(), info.GetIsolate());
    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
        exceptionState.throwIfNeeded();
        return;
    }

    {# The findInstanceInPrototypeChain() call above only returns a non-empty handle if info.This() is an Object. #}
    V8HiddenValue::setHiddenValue(info.GetIsolate(), v8::Handle<v8::Object>::Cast(info.This()), name, v8Value);
}

static void {{cpp_class}}OriginSafeMethodSetterCallback(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
{
    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
    {{cpp_class}}V8Internal::{{cpp_class}}OriginSafeMethodSetter(name, v8Value, info);
    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
}

{% endif %}
{% endblock %}


{##############################################################################}
{% from 'methods.cpp' import generate_constructor with context %}
{% block named_constructor %}
{% if named_constructor %}
{% set to_active_dom_object = '%s::toActiveDOMObject' % v8_class
                              if is_active_dom_object else '0' %}
{% set to_event_target = '%s::toEventTarget' % v8_class
                         if is_event_target else '0' %}
const WrapperTypeInfo {{v8_class}}Constructor::wrapperTypeInfo = { gin::kEmbedderBlink, {{v8_class}}Constructor::domTemplate, {{v8_class}}::refObject, {{v8_class}}::derefObject, {{to_active_dom_object}}, {{to_event_target}}, 0, {{v8_class}}::installConditionallyEnabledMethods, {{v8_class}}::installConditionallyEnabledProperties, 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{lifetime}} };

{{generate_constructor(named_constructor)}}
v8::Handle<v8::FunctionTemplate> {{v8_class}}Constructor::domTemplate(v8::Isolate* isolate)
{
    static int domTemplateKey; // This address is used for a key to look up the dom template.
    V8PerIsolateData* data = V8PerIsolateData::from(isolate);
    v8::Local<v8::FunctionTemplate> result = data->existingDOMTemplate(&domTemplateKey);
    if (!result.IsEmpty())
        return result;

    TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "BuildDOMTemplate");
    result = v8::FunctionTemplate::New(isolate, {{v8_class}}ConstructorCallback);
    v8::Local<v8::ObjectTemplate> instanceTemplate = result->InstanceTemplate();
    instanceTemplate->SetInternalFieldCount({{v8_class}}::internalFieldCount);
    result->SetClassName(v8AtomicString(isolate, "{{cpp_class}}"));
    result->Inherit({{v8_class}}::domTemplate(isolate));
    data->setDOMTemplate(&domTemplateKey, result);
    return result;
}

{% endif %}
{% endblock %}

{##############################################################################}
{% block overloaded_constructor %}
{% if constructor_overloads %}
static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    ExceptionState exceptionState(ExceptionState::ConstructionContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
    {# 2. Initialize argcount to be min(maxarg, n). #}
    switch (std::min({{constructor_overloads.maxarg}}, info.Length())) {
    {# 3. Remove from S all entries whose type list is not of length argcount. #}
    {% for length, tests_constructors in constructor_overloads.length_tests_methods %}
    case {{length}}:
        {# Then resolve by testing argument #}
        {% for test, constructor in tests_constructors %}
        {# 10. If i = d, then: #}
        if ({{test}}) {
            {{cpp_class}}V8Internal::constructor{{constructor.overload_index}}(info);
            return;
        }
        {% endfor %}
        break;
    {% endfor %}
    default:
        {# Invalid arity, throw error #}
        {# Report full list of valid arities if gaps and above minimum #}
        {% if constructor_overloads.valid_arities %}
        if (info.Length() >= {{constructor_overloads.minarg}}) {
            throwArityTypeError(exceptionState, "{{constructor_overloads.valid_arities}}", info.Length());
            return;
        }
        {% endif %}
        {# Otherwise just report "not enough arguments" #}
        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments({{constructor_overloads.minarg}}, info.Length()));
        exceptionState.throwIfNeeded();
        return;
    }
    {# No match, throw error #}
    exceptionState.throwTypeError("No matching constructor signature.");
    exceptionState.throwIfNeeded();
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block event_constructor %}
{% if has_event_constructor %}
static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    ExceptionState exceptionState(ExceptionState::ConstructionContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
    if (info.Length() < 1) {
        exceptionState.throwTypeError("An event name must be provided.");
        exceptionState.throwIfNeeded();
        return;
    }

    TOSTRING_VOID(V8StringResource<>, type, info[0]);
    {% for attribute in any_type_attributes %}
    v8::Local<v8::Value> {{attribute.name}};
    {% endfor %}
    {{cpp_class}}Init eventInit;
    if (info.Length() >= 2) {
        TONATIVE_VOID(Dictionary, options, Dictionary(info[1], info.GetIsolate()));
        if (!initialize{{cpp_class}}(eventInit, options, exceptionState, info)) {
            exceptionState.throwIfNeeded();
            return;
        }
        {# Store attributes of type |any| on the wrapper to avoid leaking them
           between isolated worlds. #}
        {% for attribute in any_type_attributes %}
        options.get("{{attribute.name}}", {{attribute.name}});
        if (!{{attribute.name}}.IsEmpty())
            V8HiddenValue::setHiddenValue(info.GetIsolate(), info.Holder(), v8AtomicString(info.GetIsolate(), "{{attribute.name}}"), {{attribute.name}});
        {% endfor %}
    }
    {% if is_constructor_raises_exception %}
    RefPtr<{{cpp_class}}> event = {{cpp_class}}::create(type, eventInit, exceptionState);
    if (exceptionState.throwIfNeeded())
        return;
    {% else %}
    RefPtr<{{cpp_class}}> event = {{cpp_class}}::create(type, eventInit);
    {% endif %}

    v8::Handle<v8::Object> wrapper = info.Holder();
    V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(event.release(), &{{v8_class}}::wrapperTypeInfo, wrapper, info.GetIsolate());
    v8SetReturnValue(info, wrapper);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block visit_dom_wrapper %}
{% if reachable_node_function or set_wrapper_reference_to_list %}
void {{v8_class}}::visitDOMWrapper(ScriptWrappableBase* internalPointer, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate)
{
    {{cpp_class}}* impl = fromInternalPointer(internalPointer);
    {% if set_wrapper_reference_to_list %}
    v8::Local<v8::Object> creationContext = v8::Local<v8::Object>::New(isolate, wrapper);
    V8WrapperInstantiationScope scope(creationContext, isolate);
    {% for set_wrapper_reference_to in set_wrapper_reference_to_list %}
    {{set_wrapper_reference_to.cpp_type}} {{set_wrapper_reference_to.name}} = impl->{{set_wrapper_reference_to.name}}();
    if ({{set_wrapper_reference_to.name}}) {
        if (!DOMDataStore::containsWrapper<{{set_wrapper_reference_to.v8_type}}>({{set_wrapper_reference_to.name}}, isolate))
            wrap({{set_wrapper_reference_to.name}}, creationContext, isolate);
        DOMDataStore::setWrapperReference<{{set_wrapper_reference_to.v8_type}}>(wrapper, {{set_wrapper_reference_to.name}}, isolate);
    }
    {% endfor %}
    {% endif %}
    {% if reachable_node_function %}
    // The {{reachable_node_function}}() method may return a reference or a pointer.
    if (Node* owner = WTF::getPtr(impl->{{reachable_node_function}}())) {
        Node* root = V8GCController::opaqueRootForGC(owner, isolate);
        isolate->SetReferenceFromGroup(v8::UniqueId(reinterpret_cast<intptr_t>(root)), wrapper);
        return;
    }
    {% endif %}
    setObjectGroup(internalPointer, wrapper, isolate);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% from 'attributes.cpp' import attribute_configuration with context %}
{% block shadow_attributes %}
{% if interface_name == 'Window' %}
static const V8DOMConfiguration::AttributeConfiguration shadowAttributes[] = {
    {% for attribute in attributes if attribute.is_unforgeable and attribute.should_be_exposed_to_script %}
    {{attribute_configuration(attribute)}},
    {% endfor %}
};

{% endif %}
{% endblock %}


{##############################################################################}
{% block install_attributes %}
{% if has_attribute_configuration %}
static const V8DOMConfiguration::AttributeConfiguration {{v8_class}}Attributes[] = {
    {% for attribute in attributes
       if not (attribute.is_expose_js_accessors or
               attribute.is_static or
               attribute.runtime_enabled_function or
               attribute.exposed_test or
               (interface_name == 'Window' and attribute.is_unforgeable))
           and attribute.should_be_exposed_to_script %}
    {% filter conditional(attribute.conditional_string) %}
    {{attribute_configuration(attribute)}},
    {% endfilter %}
    {% endfor %}
};

{% endif %}
{% endblock %}


{##############################################################################}
{% block install_accessors %}
{% if has_accessors %}
static const V8DOMConfiguration::AccessorConfiguration {{v8_class}}Accessors[] = {
    {% for attribute in attributes if attribute.is_expose_js_accessors and attribute.should_be_exposed_to_script %}
    {{attribute_configuration(attribute)}},
    {% endfor %}
};

{% endif %}
{% endblock %}


{##############################################################################}
{% from 'methods.cpp' import method_configuration with context %}
{% block install_methods %}
{% if method_configuration_methods %}
static const V8DOMConfiguration::MethodConfiguration {{v8_class}}Methods[] = {
    {% for method in method_configuration_methods %}
    {% filter conditional(method.conditional_string) %}
    {{method_configuration(method)}},
    {% endfilter %}
    {% endfor %}
};

{% endif %}
{% endblock %}


{##############################################################################}
{% block initialize_event %}
{% if has_event_constructor %}
bool initialize{{cpp_class}}({{cpp_class}}Init& eventInit, const Dictionary& options, ExceptionState& exceptionState, const v8::FunctionCallbackInfo<v8::Value>& info, const String& forEventName)
{
    Dictionary::ConversionContext conversionContext(forEventName.isEmpty() ? String("{{interface_name}}") : forEventName, "", exceptionState);
    {% if parent_interface %}{# any Event interface except Event itself #}
    if (!initialize{{parent_interface}}(eventInit, options, exceptionState, info, forEventName.isEmpty() ? String("{{interface_name}}") : forEventName))
        return false;

    {% endif %}
    {% for attribute in attributes
           if (attribute.is_initialized_by_event_constructor and
               not attribute.idl_type == 'any')%}
    {% set is_nullable = 'true' if attribute.is_nullable else 'false' %}
    {% if attribute.deprecate_as %}
    if (DictionaryHelper::convert(options, conversionContext.setConversionType("{{attribute.idl_type}}", {{is_nullable}}), "{{attribute.name}}", eventInit.{{attribute.cpp_name}})) {
        if (options.hasProperty("{{attribute.name}}"))
            UseCounter::countDeprecation(callingExecutionContext(info.GetIsolate()), UseCounter::{{attribute.deprecate_as}});
    } else {
        return false;
    }
    {% else %}
    if (!DictionaryHelper::convert(options, conversionContext.setConversionType("{{attribute.idl_type}}", {{is_nullable}}), "{{attribute.name}}", eventInit.{{attribute.cpp_name}}))
        return false;
    {% endif %}
    {% endfor %}
    return true;
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block constructor_callback %}
{% if constructors or has_custom_constructor or has_event_constructor %}
void {{v8_class}}::constructorCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "DOMConstructor");
    {% if measure_as %}
    UseCounter::count(callingExecutionContext(info.GetIsolate()), UseCounter::{{measure_as}});
    {% endif %}
    if (!info.IsConstructCall()) {
        V8ThrowException::throwTypeError(ExceptionMessages::constructorNotCallableAsFunction("{{interface_name}}"), info.GetIsolate());
        return;
    }

    if (ConstructorMode::current(info.GetIsolate()) == ConstructorMode::WrapExistingObject) {
        v8SetReturnValue(info, info.Holder());
        return;
    }

    {% if has_custom_constructor %}
    {{v8_class}}::constructorCustom(info);
    {% else %}
    {{cpp_class}}V8Internal::constructor(info);
    {% endif %}
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block configure_shadow_object_template %}
{% if interface_name == 'Window' %}
static void configureShadowObjectTemplate(v8::Handle<v8::ObjectTemplate> templ, v8::Isolate* isolate)
{
    V8DOMConfiguration::installAttributes(templ, v8::Handle<v8::ObjectTemplate>(), shadowAttributes, WTF_ARRAY_LENGTH(shadowAttributes), isolate);

    // Install a security handler with V8.
    templ->SetAccessCheckCallbacks(V8Window::namedSecurityCheckCustom, V8Window::indexedSecurityCheckCustom, v8::External::New(isolate, const_cast<WrapperTypeInfo*>(&V8Window::wrapperTypeInfo)));
    templ->SetInternalFieldCount(V8Window::internalFieldCount);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% from 'methods.cpp' import install_custom_signature with context %}
{% from 'constants.cpp' import install_constants with context %}
{% block install_dom_template %}
static void install{{v8_class}}Template(v8::Handle<v8::FunctionTemplate> functionTemplate, v8::Isolate* isolate)
{
    functionTemplate->ReadOnlyPrototype();

    v8::Local<v8::Signature> defaultSignature;
    {% set parent_template =
           'V8%s::domTemplate(isolate)' % parent_interface
           if parent_interface else 'v8::Local<v8::FunctionTemplate>()' %}
    {% if runtime_enabled_function %}
    if (!{{runtime_enabled_function}}())
        defaultSignature = V8DOMConfiguration::installDOMClassTemplate(functionTemplate, "", {{parent_template}}, {{v8_class}}::internalFieldCount, 0, 0, 0, 0, 0, 0, isolate);
    else
    {% endif %}
    {% set runtime_enabled_indent = 4 if runtime_enabled_function else 0 %}
    {% filter indent(runtime_enabled_indent, true) %}
    defaultSignature = V8DOMConfiguration::installDOMClassTemplate(functionTemplate, "{{interface_name}}", {{parent_template}}, {{v8_class}}::internalFieldCount,
        {# Test needed as size 0 arrays definitions are not allowed per standard
           (so objects have distinct addresses), which is enforced by MSVC.
           8.5.1 Aggregates [dcl.init.aggr]
           An array of unknown size initialized with a brace-enclosed
           initializer-list containing n initializer-clauses, where n shall be
           greater than zero, is defined as having n elements (8.3.4). #}
        {% set attributes_name, attributes_length =
               ('%sAttributes' % v8_class,
                'WTF_ARRAY_LENGTH(%sAttributes)' % v8_class)
           if has_attribute_configuration else (0, 0) %}
        {% set accessors_name, accessors_length =
               ('%sAccessors' % v8_class,
                'WTF_ARRAY_LENGTH(%sAccessors)' % v8_class)
           if has_accessors else (0, 0) %}
        {% set methods_name, methods_length =
               ('%sMethods' % v8_class,
                'WTF_ARRAY_LENGTH(%sMethods)' % v8_class)
           if method_configuration_methods else (0, 0) %}
        {{attributes_name}}, {{attributes_length}},
        {{accessors_name}}, {{accessors_length}},
        {{methods_name}}, {{methods_length}},
        isolate);
    {% endfilter %}

    {% if constructors or has_custom_constructor or has_event_constructor %}
    functionTemplate->SetCallHandler({{v8_class}}::constructorCallback);
    functionTemplate->SetLength({{interface_length}});
    {% endif %}
    v8::Local<v8::ObjectTemplate> instanceTemplate ALLOW_UNUSED = functionTemplate->InstanceTemplate();
    v8::Local<v8::ObjectTemplate> prototypeTemplate ALLOW_UNUSED = functionTemplate->PrototypeTemplate();
    {% if has_access_check_callbacks %}
    instanceTemplate->SetAccessCheckCallbacks({{cpp_class}}V8Internal::namedSecurityCheck, {{cpp_class}}V8Internal::indexedSecurityCheck, v8::External::New(isolate, const_cast<WrapperTypeInfo*>(&{{v8_class}}::wrapperTypeInfo)));
    {% endif %}
    {% for attribute in attributes
       if attribute.runtime_enabled_function and
          not attribute.exposed_test and
          not attribute.is_static %}
    {% filter conditional(attribute.conditional_string) %}
    if ({{attribute.runtime_enabled_function}}()) {
        static const V8DOMConfiguration::AttributeConfiguration attributeConfiguration =\
        {{attribute_configuration(attribute)}};
        V8DOMConfiguration::installAttribute(instanceTemplate, prototypeTemplate, attributeConfiguration, isolate);
    }
    {% endfilter %}
    {% endfor %}
    {% if constants %}
    {{install_constants() | indent}}
    {% endif %}
    {# Special operations #}
    {# V8 has access-check callback API and it's used on Window instead of
       deleters or enumerators; see ObjectTemplate::SetAccessCheckCallbacks.
       In addition, the getter should be set on the prototype template, to get
       the implementation straight out of the Window prototype, regardless of
       what prototype is actually set on the object. #}
    {% set set_on_template = 'PrototypeTemplate' if interface_name == 'Window'
                        else 'InstanceTemplate' %}
    {% if indexed_property_getter %}
    {# if have indexed properties, MUST have an indexed property getter #}
    {% set indexed_property_getter_callback =
           '%sV8Internal::indexedPropertyGetterCallback' % cpp_class %}
    {% set indexed_property_setter_callback =
           '%sV8Internal::indexedPropertySetterCallback' % cpp_class
           if indexed_property_setter else '0' %}
    {% set indexed_property_query_callback = '0' %}{# Unused #}
    {% set indexed_property_deleter_callback =
           '%sV8Internal::indexedPropertyDeleterCallback' % cpp_class
           if indexed_property_deleter else '0' %}
    {% set indexed_property_enumerator_callback =
           'indexedPropertyEnumerator<%s>' % cpp_class
           if indexed_property_getter.is_enumerable else '0' %}
    functionTemplate->{{set_on_template}}()->SetIndexedPropertyHandler({{indexed_property_getter_callback}}, {{indexed_property_setter_callback}}, {{indexed_property_query_callback}}, {{indexed_property_deleter_callback}}, {{indexed_property_enumerator_callback}});
    {% endif %}
    {% if named_property_getter %}
    {# if have named properties, MUST have a named property getter #}
    {% set named_property_getter_callback =
           '%sV8Internal::namedPropertyGetterCallback' % cpp_class %}
    {% set named_property_setter_callback =
           '%sV8Internal::namedPropertySetterCallback' % cpp_class
           if named_property_setter else '0' %}
    {% set named_property_query_callback =
           '%sV8Internal::namedPropertyQueryCallback' % cpp_class
           if named_property_getter.is_enumerable else '0' %}
    {% set named_property_deleter_callback =
           '%sV8Internal::namedPropertyDeleterCallback' % cpp_class
           if named_property_deleter else '0' %}
    {% set named_property_enumerator_callback =
           '%sV8Internal::namedPropertyEnumeratorCallback' % cpp_class
           if named_property_getter.is_enumerable else '0' %}
    functionTemplate->{{set_on_template}}()->SetNamedPropertyHandler({{named_property_getter_callback}}, {{named_property_setter_callback}}, {{named_property_query_callback}}, {{named_property_deleter_callback}}, {{named_property_enumerator_callback}});
    {% endif %}
    {% if iterator_method %}
    static const V8DOMConfiguration::SymbolKeyedMethodConfiguration symbolKeyedIteratorConfiguration = { v8::Symbol::GetIterator, {{cpp_class}}V8Internal::iteratorMethodCallback, 0, V8DOMConfiguration::ExposedToAllScripts };
    V8DOMConfiguration::installMethod(prototypeTemplate, defaultSignature, v8::DontDelete, symbolKeyedIteratorConfiguration, isolate);
    {% endif %}
    {# End special operations #}
    {% if has_custom_legacy_call_as_function %}
    functionTemplate->InstanceTemplate()->SetCallAsFunctionHandler({{v8_class}}::legacyCallCustom);
    {% endif %}
    {% for method in custom_registration_methods %}
    {# install_custom_signature #}
    {% filter conditional(method.conditional_string) %}
    {% filter runtime_enabled(method.overloads.runtime_enabled_function_all
                              if method.overloads else
                              method.runtime_enabled_function) %}
    {% if method.is_do_not_check_security %}
    {{install_do_not_check_security_signature(method) | indent}}
    {% else %}{# is_do_not_check_security #}
    {{install_custom_signature(method) | indent}}
    {% endif %}{# is_do_not_check_security #}
    {% endfilter %}{# runtime_enabled() #}
    {% endfilter %}{# conditional() #}
    {% endfor %}
    {% for attribute in attributes if attribute.is_static %}
    {% set getter_callback = '%sV8Internal::%sAttributeGetterCallback' %
           (cpp_class, attribute.name) %}
    {% filter conditional(attribute.conditional_string) %}
    functionTemplate->SetNativeDataProperty(v8AtomicString(isolate, "{{attribute.name}}"), {{getter_callback}}, {{attribute.setter_callback}}, v8::External::New(isolate, 0), static_cast<v8::PropertyAttribute>(v8::None), v8::Handle<v8::AccessorSignature>(), static_cast<v8::AccessControl>(v8::DEFAULT));
    {% endfilter %}
    {% endfor %}
    {# Special interfaces #}
    {% if interface_name == 'Window' %}

    prototypeTemplate->SetInternalFieldCount(V8Window::internalFieldCount);
    functionTemplate->SetHiddenPrototype(true);
    instanceTemplate->SetInternalFieldCount(V8Window::internalFieldCount);
    // Set access check callbacks, but turned off initially.
    // When a context is detached from a frame, turn on the access check.
    // Turning on checks also invalidates inline caches of the object.
    instanceTemplate->SetAccessCheckCallbacks(V8Window::namedSecurityCheckCustom, V8Window::indexedSecurityCheckCustom, v8::External::New(isolate, const_cast<WrapperTypeInfo*>(&V8Window::wrapperTypeInfo)), false);
    {% elif interface_name in ['HTMLDocument'] %}
    functionTemplate->SetHiddenPrototype(true);
    {% endif %}

    // Custom toString template
    functionTemplate->Set(v8AtomicString(isolate, "toString"), V8PerIsolateData::from(isolate)->toStringTemplate());
}

{% endblock %}


{######################################}
{% macro install_do_not_check_security_signature(method, world_suffix) %}
{# Methods that are [DoNotCheckSecurity] are always readable, but if they are
   changed and then accessed from a different origin, we do not return the
   underlying value, but instead return a new copy of the original function.
   This is achieved by storing the changed value as a hidden property. #}
{% set getter_callback =
       '%sV8Internal::%sOriginSafeMethodGetterCallback%s' %
       (cpp_class, method.name, world_suffix) %}
{% set setter_callback =
    '{0}V8Internal::{0}OriginSafeMethodSetterCallback'.format(cpp_class)
    if not method.is_read_only else '0' %}
{% if method.is_per_world_bindings %}
{% set getter_callback_for_main_world = '%sForMainWorld' % getter_callback %}
{% set setter_callback_for_main_world = '%sForMainWorld' % setter_callback
   if not method.is_read_only else '0' %}
{% else %}
{% set getter_callback_for_main_world = '0' %}
{% set setter_callback_for_main_world = '0' %}
{% endif %}
{% set property_attribute =
    'static_cast<v8::PropertyAttribute>(%s)' %
    ' | '.join(method.property_attributes or ['v8::DontDelete']) %}
{% set only_exposed_to_private_script = 'V8DOMConfiguration::OnlyExposedToPrivateScript' if method.only_exposed_to_private_script else 'V8DOMConfiguration::ExposedToAllScripts' %}
static const V8DOMConfiguration::AttributeConfiguration {{method.name}}OriginSafeAttributeConfiguration = {
    "{{method.name}}", {{getter_callback}}, {{setter_callback}}, {{getter_callback_for_main_world}}, {{setter_callback_for_main_world}}, &{{v8_class}}::wrapperTypeInfo, v8::ALL_CAN_READ, {{property_attribute}}, {{only_exposed_to_private_script}}, V8DOMConfiguration::OnInstance,
};
V8DOMConfiguration::installAttribute({{method.function_template}}, v8::Handle<v8::ObjectTemplate>(), {{method.name}}OriginSafeAttributeConfiguration, isolate);
{%- endmacro %}


{##############################################################################}
{% block get_dom_template %}
v8::Handle<v8::FunctionTemplate> {{v8_class}}::domTemplate(v8::Isolate* isolate)
{
    return V8DOMConfiguration::domClassTemplate(isolate, const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), install{{v8_class}}Template);
}

{% endblock %}


{##############################################################################}
{% block has_instance %}
bool {{v8_class}}::hasInstance(v8::Handle<v8::Value> v8Value, v8::Isolate* isolate)
{
    return V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, v8Value);
}

v8::Handle<v8::Object> {{v8_class}}::findInstanceInPrototypeChain(v8::Handle<v8::Value> v8Value, v8::Isolate* isolate)
{
    return V8PerIsolateData::from(isolate)->findInstanceInPrototypeChain(&wrapperTypeInfo, v8Value);
}

{% endblock %}


{##############################################################################}
{% block to_native_with_type_check %}
{{cpp_class}}* {{v8_class}}::toNativeWithTypeCheck(v8::Isolate* isolate, v8::Handle<v8::Value> value)
{
    return hasInstance(value, isolate) ? fromInternalPointer(blink::toScriptWrappableBase(v8::Handle<v8::Object>::Cast(value))) : 0;
}

{% endblock %}


{##############################################################################}
{% block install_conditional_attributes %}
{% if has_conditional_attributes %}
void {{v8_class}}::installConditionallyEnabledProperties(v8::Handle<v8::Object> instanceObject, v8::Isolate* isolate)
{
    v8::Local<v8::Object> prototypeObject = v8::Local<v8::Object>::Cast(instanceObject->GetPrototype());
    ExecutionContext* context = toExecutionContext(prototypeObject->CreationContext());

    {% for attribute in attributes if attribute.exposed_test %}
    {% filter exposed(attribute.exposed_test) %}
    static const V8DOMConfiguration::AttributeConfiguration attributeConfiguration =\
    {{attribute_configuration(attribute)}};
    V8DOMConfiguration::installAttribute(instanceObject, prototypeObject, attributeConfiguration, isolate);
    {% endfilter %}
    {% endfor %}
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block install_conditional_methods %}
{% if conditionally_enabled_methods %}
void {{v8_class}}::installConditionallyEnabledMethods(v8::Handle<v8::Object> prototypeObject, v8::Isolate* isolate)
{
    {# Define per-context enabled operations #}
    v8::Local<v8::Signature> defaultSignature = v8::Signature::New(isolate, domTemplate(isolate));
    ExecutionContext* context = toExecutionContext(prototypeObject->CreationContext());
    ASSERT(context);

    {% for method in conditionally_enabled_methods %}
    {% filter exposed(method.exposed_test) %}
    prototypeObject->Set(v8AtomicString(isolate, "{{method.name}}"), v8::FunctionTemplate::New(isolate, {{cpp_class}}V8Internal::{{method.name}}MethodCallback, v8Undefined(), defaultSignature, {{method.number_of_required_arguments}})->GetFunction());
    {% endfilter %}
    {% endfor %}
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block to_active_dom_object %}
{% if is_active_dom_object %}
ActiveDOMObject* {{v8_class}}::toActiveDOMObject(v8::Handle<v8::Object> wrapper)
{
    return toNative(wrapper);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block to_event_target %}
{% if is_event_target %}
EventTarget* {{v8_class}}::toEventTarget(v8::Handle<v8::Object> object)
{
    return toNative(object);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block get_shadow_object_template %}
{% if interface_name == 'Window' %}
v8::Handle<v8::ObjectTemplate> V8Window::getShadowObjectTemplate(v8::Isolate* isolate)
{
    if (DOMWrapperWorld::current(isolate).isMainWorld()) {
        DEFINE_STATIC_LOCAL(v8::Persistent<v8::ObjectTemplate>, V8WindowShadowObjectCacheForMainWorld, ());
        if (V8WindowShadowObjectCacheForMainWorld.IsEmpty()) {
            TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "BuildDOMTemplate");
            v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New(isolate);
            configureShadowObjectTemplate(templ, isolate);
            V8WindowShadowObjectCacheForMainWorld.Reset(isolate, templ);
            return templ;
        }
        return v8::Local<v8::ObjectTemplate>::New(isolate, V8WindowShadowObjectCacheForMainWorld);
    } else {
        DEFINE_STATIC_LOCAL(v8::Persistent<v8::ObjectTemplate>, V8WindowShadowObjectCacheForNonMainWorld, ());
        if (V8WindowShadowObjectCacheForNonMainWorld.IsEmpty()) {
            TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "BuildDOMTemplate");
            v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New(isolate);
            configureShadowObjectTemplate(templ, isolate);
            V8WindowShadowObjectCacheForNonMainWorld.Reset(isolate, templ);
            return templ;
        }
        return v8::Local<v8::ObjectTemplate>::New(isolate, V8WindowShadowObjectCacheForNonMainWorld);
    }
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block wrap %}
{% if special_wrap_for or is_document %}
v8::Handle<v8::Object> wrap({{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
    ASSERT(impl);
    {% for special_wrap_interface in special_wrap_for %}
    if (impl->is{{special_wrap_interface}}())
        return wrap(to{{special_wrap_interface}}(impl), creationContext, isolate);
    {% endfor %}
    v8::Handle<v8::Object> wrapper = {{v8_class}}::createWrapper(impl, creationContext, isolate);
    {% if is_document %}
    if (wrapper.IsEmpty())
        return wrapper;
    DOMWrapperWorld& world = DOMWrapperWorld::current(isolate);
    if (world.isMainWorld()) {
        if (LocalFrame* frame = impl->frame())
            frame->script().windowProxy(world)->updateDocumentWrapper(wrapper);
    }
    {% endif %}
    return wrapper;
}

{% elif not has_custom_to_v8 and not has_custom_wrap %}
v8::Handle<v8::Object> wrap({{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
    ASSERT(impl);
    ASSERT(!DOMDataStore::containsWrapper<{{v8_class}}>(impl, isolate));
    return {{v8_class}}::createWrapper(impl, creationContext, isolate);
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block create_wrapper %}
{% if not has_custom_to_v8 %}
v8::Handle<v8::Object> {{v8_class}}::createWrapper({{pass_cpp_type}} impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
    ASSERT(impl);
    ASSERT(!DOMDataStore::containsWrapper<{{v8_class}}>(impl.get(), isolate));
    {% if is_script_wrappable %}
    const WrapperTypeInfo* actualInfo = impl->wrapperTypeInfo();
    // Might be a XXXConstructor::wrapperTypeInfo instead of an XXX::wrapperTypeInfo. These will both have
    // the same object de-ref functions, though, so use that as the basis of the check.
    RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(actualInfo->derefObjectFunction == wrapperTypeInfo.derefObjectFunction);
    {% endif %}

    {% if is_document %}
    if (LocalFrame* frame = impl->frame()) {
        if (frame->script().initializeMainWorld()) {
            // initializeMainWorld may have created a wrapper for the object, retry from the start.
            v8::Handle<v8::Object> wrapper = DOMDataStore::getWrapper<{{v8_class}}>(impl.get(), isolate);
            if (!wrapper.IsEmpty())
                return wrapper;
        }
    }
    {% endif %}
    v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, &wrapperTypeInfo, toScriptWrappableBase(impl.get()), isolate);
    if (UNLIKELY(wrapper.IsEmpty()))
        return wrapper;

    installConditionallyEnabledProperties(wrapper, isolate);
    V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(impl, &wrapperTypeInfo, wrapper, isolate);
    return wrapper;
}

{% endif %}
{% endblock %}


{##############################################################################}
{% block deref_object_and_to_v8_no_inline %}

void {{v8_class}}::refObject(ScriptWrappableBase* internalPointer)
{
    fromInternalPointer(internalPointer)->ref();
}

void {{v8_class}}::derefObject(ScriptWrappableBase* internalPointer)
{
    fromInternalPointer(internalPointer)->deref();
}

template<>
v8::Handle<v8::Value> toV8NoInline({{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
    return toV8(impl, creationContext, isolate);
}

{% endblock %}