| {% extends 'interface_base.cpp' %} |
| |
| |
| {##############################################################################} |
| {% macro attribute_configuration(attribute) %} |
| {% set getter_callback = |
| '%sV8Internal::%sAttributeGetterCallback' % |
| (cpp_class, attribute.name) |
| if not attribute.constructor_type else |
| '{0}V8Internal::{0}ConstructorGetter'.format(interface_name) %} |
| {% set getter_callback_for_main_world = |
| '%sV8Internal::%sAttributeGetterCallbackForMainWorld' % |
| (cpp_class, attribute.name) |
| if attribute.is_per_world_bindings else '0' %} |
| {% set setter_callback = attribute.setter_callback %} |
| {% set setter_callback_for_main_world = |
| '%sV8Internal::%sAttributeSetterCallbackForMainWorld' % |
| (cpp_class, attribute.name) |
| if attribute.is_per_world_bindings and not attribute.is_read_only else '0' %} |
| {% set wrapper_type_info = |
| 'const_cast<WrapperTypeInfo*>(&V8%s::wrapperTypeInfo)' % |
| attribute.constructor_type |
| if attribute.constructor_type else '0' %} |
| {% set access_control = 'static_cast<v8::AccessControl>(%s)' % |
| ' | '.join(attribute.access_control_list) %} |
| {% set property_attribute = 'static_cast<v8::PropertyAttribute>(%s)' % |
| ' | '.join(attribute.property_attributes) %} |
| {% set on_prototype = ', 0 /* on instance */' |
| if not attribute.is_expose_js_accessors else '' %} |
| {"{{attribute.name}}", {{getter_callback}}, {{setter_callback}}, {{getter_callback_for_main_world}}, {{setter_callback_for_main_world}}, {{wrapper_type_info}}, {{access_control}}, {{property_attribute}}{{on_prototype}}} |
| {%- endmacro %} |
| |
| |
| {##############################################################################} |
| {% macro method_configuration(method) %} |
| {% set method_callback = |
| '%sV8Internal::%sMethodCallback' % (cpp_class, method.name) %} |
| {% set method_callback_for_main_world = |
| '%sV8Internal::%sMethodCallbackForMainWorld' % (cpp_class, method.name) |
| if method.is_per_world_bindings else '0' %} |
| {"{{method.name}}", {{method_callback}}, {{method_callback_for_main_world}}, {{method.number_of_required_or_variadic_arguments}}} |
| {%- endmacro %} |
| |
| |
| {##############################################################################} |
| {% block constructor_getter %} |
| {% if has_constructor_attributes %} |
| static void {{interface_name}}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 %} |
| {# FIXME: rename to ForceSetAttributeOnThis, since also used for Constructors #} |
| static void {{interface_name}}ReplaceableAttributeSetter(v8::Local<v8::String> name, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info) |
| { |
| info.This()->ForceSet(name, jsValue); |
| } |
| |
| {# FIXME: rename to ForceSetAttributeOnThisCallback, since also used for Constructors #} |
| static void {{interface_name}}ReplaceableAttributeSetterCallback(v8::Local<v8::String> name, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info) |
| { |
| {{interface_name}}V8Internal::{{interface_name}}ReplaceableAttributeSetter(name, jsValue, info); |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block security_check_functions %} |
| {% if is_check_security and interface_name != 'Window' %} |
| bool indexedSecurityCheck(v8::Local<v8::Object> host, uint32_t index, v8::AccessType type, v8::Local<v8::Value>) |
| { |
| {{cpp_class}}* imp = {{v8_class}}::toNative(host); |
| return BindingSecurity::shouldAllowAccessToFrame(imp->frame(), DoNotReportSecurityError); |
| } |
| |
| bool namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value>) |
| { |
| {{cpp_class}}* imp = {{v8_class}}::toNative(host); |
| return BindingSecurity::shouldAllowAccessToFrame(imp->frame(), DoNotReportSecurityError); |
| } |
| |
| {% 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> jsValue, const v8::PropertyCallbackInfo<void>& info) |
| { |
| {# FIXME: don't call GetIsolate 3 times #} |
| v8::Handle<v8::Object> holder = info.This()->FindInstanceInPrototypeChain({{v8_class}}::domTemplate(info.GetIsolate(), worldType(info.GetIsolate()))); |
| if (holder.IsEmpty()) |
| return; |
| {{cpp_class}}* imp = {{v8_class}}::toNative(holder); |
| v8::String::Utf8Value attributeName(name); |
| ExceptionState exceptionState(ExceptionState::SetterContext, *attributeName, "{{interface_name}}", info.Holder(), info.GetIsolate()); |
| if (!BindingSecurity::shouldAllowAccessToFrame(imp->frame(), exceptionState)) { |
| exceptionState.throwIfNeeded(); |
| return; |
| } |
| |
| info.This()->SetHiddenValue(name, jsValue); |
| } |
| |
| static void {{cpp_class}}OriginSafeMethodSetterCallback(v8::Local<v8::String> name, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info) |
| { |
| TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter"); |
| {{cpp_class}}V8Internal::{{cpp_class}}OriginSafeMethodSetter(name, jsValue, info); |
| TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution"); |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% from 'methods.cpp' import named_constructor_callback with context %} |
| {% block named_constructor %} |
| {% if named_constructor %} |
| {% set to_active_dom_object = '%s::toActiveDOMObject' % v8_class |
| if is_active_dom_object else '0' %} |
| const WrapperTypeInfo {{v8_class}}Constructor::wrapperTypeInfo = { gin::kEmbedderBlink, {{v8_class}}Constructor::domTemplate, {{v8_class}}::derefObject, {{to_active_dom_object}}, 0, 0, {{v8_class}}::installPerContextEnabledMethods, 0, WrapperTypeObjectPrototype }; |
| |
| {{named_constructor_callback(named_constructor)}} |
| v8::Handle<v8::FunctionTemplate> {{v8_class}}Constructor::domTemplate(v8::Isolate* isolate, WrapperWorldType currentWorldType) |
| { |
| // This is only for getting a unique pointer which we can pass to privateTemplate. |
| static int privateTemplateUniqueKey; |
| V8PerIsolateData* data = V8PerIsolateData::from(isolate); |
| v8::Local<v8::FunctionTemplate> result = data->privateTemplateIfExists(currentWorldType, &privateTemplateUniqueKey); |
| if (!result.IsEmpty()) |
| return result; |
| |
| TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "BuildDOMTemplate"); |
| v8::EscapableHandleScope scope(isolate); |
| result = v8::FunctionTemplate::New(isolate, {{v8_class}}ConstructorCallback); |
| |
| v8::Local<v8::ObjectTemplate> instanceTemplate = result->InstanceTemplate(); |
| instanceTemplate->SetInternalFieldCount({{v8_class}}::internalFieldCount); |
| result->SetClassName(v8::String::NewFromUtf8(isolate, "{{cpp_class}}", v8::String::kInternalizedString)); |
| result->Inherit({{v8_class}}::domTemplate(isolate, currentWorldType)); |
| data->setPrivateTemplate(currentWorldType, &privateTemplateUniqueKey, result); |
| |
| return scope.Escape(result); |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| {##############################################################################} |
| {% block overloaded_constructor %} |
| {% if constructors|length > 1 %} |
| static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| {% for constructor in constructors %} |
| if ({{constructor.overload_resolution_expression}}) { |
| {{cpp_class}}V8Internal::constructor{{constructor.overload_index}}(info); |
| return; |
| } |
| {% endfor %} |
| {% if interface_length %} |
| ExceptionState exceptionState(ExceptionState::ConstructionContext, "{{interface_name}}", info.Holder(), info.GetIsolate()); |
| if (UNLIKELY(info.Length() < {{interface_length}})) { |
| exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments({{interface_length}}, info.Length())); |
| exceptionState.throwIfNeeded(); |
| return; |
| } |
| exceptionState.throwTypeError("No matching constructor signature."); |
| exceptionState.throwIfNeeded(); |
| {% else %} |
| throwTypeError(ExceptionMessages::failedToConstruct("{{interface_name}}", "No matching constructor signature."), info.GetIsolate()); |
| {% endif %} |
| } |
| |
| {% 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; |
| } |
| |
| V8TRYCATCH_FOR_V8STRINGRESOURCE_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) { |
| V8TRYCATCH_VOID(Dictionary, options, Dictionary(info[1], info.GetIsolate())); |
| if (!initialize{{cpp_class}}(eventInit, options, exceptionState)) { |
| 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()) |
| info.Holder()->SetHiddenValue(V8HiddenPropertyName::{{attribute.name}}(info.GetIsolate()), {{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 %} |
| {% if any_type_attributes and not interface_name == 'ErrorEvent' %} |
| {# If we're in an isolated world, create a SerializedScriptValue and store |
| it in the event for later cloning if the property is accessed from |
| another world. The main world case is handled lazily (in custom code). |
| |
| We do not clone Error objects (exceptions), for 2 reasons: |
| 1) Errors carry a reference to the isolated world's global object, and |
| thus passing it around would cause leakage. |
| 2) Errors cannot be cloned (or serialized): |
| http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#safe-passing-of-structured-data #} |
| if (isolatedWorldForIsolate(info.GetIsolate())) { |
| {% for attribute in any_type_attributes %} |
| if (!{{attribute.name}}.IsEmpty()) |
| event->setSerialized{{attribute.name | blink_capitalize}}(SerializedScriptValue::createAndSwallowExceptions({{attribute.name}}, info.GetIsolate())); |
| {% endfor %} |
| } |
| |
| {% endif %} |
| v8::Handle<v8::Object> wrapper = info.Holder(); |
| V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(event.release(), &{{v8_class}}::wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent); |
| v8SetReturnValue(info, wrapper); |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block visit_dom_wrapper %} |
| {% if generate_visit_dom_wrapper_function %} |
| void {{v8_class}}::visitDOMWrapper(void* object, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate) |
| { |
| {{cpp_class}}* impl = fromInternalPointer(object); |
| if (Node* owner = impl->{{generate_visit_dom_wrapper_function}}()) { |
| setObjectGroup(V8GCController::opaqueRootForGC(owner, isolate), wrapper, isolate); |
| return; |
| } |
| setObjectGroup(object, wrapper, isolate); |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block class_attributes %} |
| {# FIXME: rename to install_attributes and put into configure_class_template #} |
| {% if attributes %} |
| 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.per_context_enabled_function) %} |
| {% filter conditional(attribute.conditional_string) %} |
| {{attribute_configuration(attribute)}}, |
| {% endfilter %} |
| {% endfor %} |
| }; |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block class_accessors %} |
| {# FIXME: rename install_accessors and put into configure_class_template #} |
| {% if has_accessors %} |
| static const V8DOMConfiguration::AccessorConfiguration {{v8_class}}Accessors[] = { |
| {% for attribute in attributes if attribute.is_expose_js_accessors %} |
| {{attribute_configuration(attribute)}}, |
| {% endfor %} |
| }; |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block class_methods %} |
| {# FIXME: rename to install_methods and put into configure_class_template #} |
| {% if has_method_configuration %} |
| static const V8DOMConfiguration::MethodConfiguration {{v8_class}}Methods[] = { |
| {% for method in methods if method.do_generate_method_configuration %} |
| {% 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 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, 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 (options.convert(conversionContext.setConversionType("{{attribute.idl_type}}", {{is_nullable}}), "{{attribute.name}}", eventInit.{{attribute.cpp_name}})) { |
| if (options.hasProperty("{{attribute.name}}")) |
| UseCounter::countDeprecation(activeExecutionContext(), UseCounter::{{attribute.deprecate_as}}); |
| } else { |
| return false; |
| } |
| {% else %} |
| if (!options.convert(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(activeDOMWindow(), UseCounter::{{measure_as}}); |
| {% endif %} |
| if (!info.IsConstructCall()) { |
| throwTypeError(ExceptionMessages::failedToConstruct("{{interface_name}}", "Please use the 'new' operator, this DOM object constructor cannot be called as a function."), info.GetIsolate()); |
| return; |
| } |
| |
| if (ConstructorMode::current() == 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_class_template %} |
| {# FIXME: rename to install_dom_template and Install{{v8_class}}DOMTemplate #} |
| static v8::Handle<v8::FunctionTemplate> Configure{{v8_class}}Template(v8::Handle<v8::FunctionTemplate> functionTemplate, v8::Isolate* isolate, WrapperWorldType currentWorldType) |
| { |
| functionTemplate->ReadOnlyPrototype(); |
| |
| v8::Local<v8::Signature> defaultSignature; |
| {% set parent_template = |
| 'V8%s::domTemplate(isolate, currentWorldType)' % 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, currentWorldType); |
| 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 constant arrays are not allowed in VC++ #} |
| {% set attributes_name, attributes_length = |
| ('%sAttributes' % v8_class, |
| 'WTF_ARRAY_LENGTH(%sAttributes)' % v8_class) |
| if attributes 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 has_method_configuration else (0, 0) %} |
| {{attributes_name}}, {{attributes_length}}, |
| {{accessors_name}}, {{accessors_length}}, |
| {{methods_name}}, {{methods_length}}, |
| isolate, currentWorldType); |
| {% 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> ALLOW_UNUSED instanceTemplate = functionTemplate->InstanceTemplate(); |
| v8::Local<v8::ObjectTemplate> ALLOW_UNUSED prototypeTemplate = functionTemplate->PrototypeTemplate(); |
| {% if is_check_security and interface_name != 'Window' %} |
| 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 %} |
| {% filter conditional(attribute.conditional_string) %} |
| if ({{attribute.runtime_enabled_function}}()) { |
| static const V8DOMConfiguration::AttributeConfiguration attributeConfiguration =\ |
| {{attribute_configuration(attribute)}}; |
| V8DOMConfiguration::installAttribute(instanceTemplate, prototypeTemplate, attributeConfiguration, isolate, currentWorldType); |
| } |
| {% endfilter %} |
| {% endfor %} |
| {% if constants %} |
| {{install_constants() | indent}} |
| {% endif %} |
| {% for method in methods if not method.do_not_check_signature %} |
| {% if method.custom_signature and not method.overload_index %} |
| {# No custom signature needed for overloaded methods; |
| separate check because depends on global check for overloads #} |
| |
| // Custom Signature '{{method.name}}' |
| const int {{method.name}}Argc = {{method.arguments | length}}; |
| v8::Handle<v8::FunctionTemplate> {{method.name}}Argv[{{method.name}}Argc] = { {{method.custom_signature}} }; |
| v8::Handle<v8::Signature> {{method.name}}Signature = v8::Signature::New(isolate, functionTemplate, {{method.name}}Argc, {{method.name}}Argv); |
| {% endif %} |
| {# install_custom_signature #} |
| {% if not method.overload_index or method.overload_index == 1 %} |
| {# For overloaded methods, only generate one accessor #} |
| {% filter conditional(method.conditional_string) %} |
| {% if method.is_do_not_check_security %} |
| {% if method.is_per_world_bindings %} |
| if (currentWorldType == MainWorld) { |
| {{install_do_not_check_security_signature(method, 'ForMainWorld')}} |
| } else { |
| {{install_do_not_check_security_signature(method)}} |
| } |
| {% else %} |
| {{install_do_not_check_security_signature(method)}} |
| {% endif %} |
| {% else %}{# is_do_not_check_security #} |
| {% if method.is_per_world_bindings %} |
| if (currentWorldType == MainWorld) { |
| {% filter runtime_enabled(method.runtime_enabled_function) %} |
| {{install_custom_signature(method, 'ForMainWorld')}} |
| {% endfilter %} |
| } else { |
| {% filter runtime_enabled(method.runtime_enabled_function) %} |
| {{install_custom_signature(method)}} |
| {% endfilter %} |
| } |
| {% else %} |
| {% filter runtime_enabled(method.runtime_enabled_function) %} |
| {{install_custom_signature(method)}} |
| {% endfilter %} |
| {% endif %} |
| {% endif %}{# is_do_not_check_security #} |
| {% endfilter %} |
| {% endif %}{# install_custom_signature #} |
| {% endfor %} |
| {% for attribute in attributes if attribute.is_static %} |
| {% set getter_callback = '%sV8Internal::%sAttributeGetterCallback' % |
| (interface_name, attribute.name) %} |
| functionTemplate->SetNativeDataProperty(v8::String::NewFromUtf8(isolate, "{{attribute.name}}", v8::String::kInternalizedString), {{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)); |
| {% endfor %} |
| {% if has_custom_legacy_call_as_function %} |
| functionTemplate->InstanceTemplate()->SetCallAsFunctionHandler({{v8_class}}::legacyCallCustom); |
| {% endif %} |
| {% if interface_name == 'HTMLAllCollection' %} |
| {# Needed for legacy support of document.all #} |
| functionTemplate->InstanceTemplate()->MarkAsUndetectable(); |
| {% endif %} |
| |
| // Custom toString template |
| functionTemplate->Set(v8::String::NewFromUtf8(isolate, "toString", v8::String::kInternalizedString), V8PerIsolateData::current()->toStringTemplate()); |
| return functionTemplate; |
| } |
| |
| {% endblock %} |
| |
| |
| {######################################} |
| {% macro install_do_not_check_security_signature(method, world_suffix) %} |
| {# FIXME: move to V8DOMConfiguration::installDOMCallbacksWithDoNotCheckSecuritySignature #} |
| {# 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' %} |
| {% set property_attribute = |
| 'static_cast<v8::PropertyAttribute>(%s)' % |
| ' | '.join(method.property_attributes or ['v8::DontDelete']) %} |
| {{method.function_template}}->SetAccessor(v8::String::NewFromUtf8(isolate, "{{method.name}}", v8::String::kInternalizedString), {{getter_callback}}, {{setter_callback}}, v8Undefined(), v8::ALL_CAN_READ, {{property_attribute}}); |
| {%- endmacro %} |
| |
| |
| {######################################} |
| {% macro install_custom_signature(method, world_suffix) %} |
| {# FIXME: move to V8DOMConfiguration::installDOMCallbacksWithCustomSignature #} |
| {% set method_callback = '%sV8Internal::%sMethodCallback%s' % |
| (interface_name, method.name, world_suffix) %} |
| {% set property_attribute = 'static_cast<v8::PropertyAttribute>(%s)' % |
| ' | '.join(method.property_attributes) %} |
| {{method.function_template}}->Set(v8::String::NewFromUtf8(isolate, "{{method.name}}", v8::String::kInternalizedString), v8::FunctionTemplate::New(isolate, {{method_callback}}, v8Undefined(), {{method.signature}}, {{method.number_of_required_or_variadic_arguments}}){% if method.property_attributes %}, {{property_attribute}}{% endif %}); |
| {%- endmacro %} |
| |
| |
| {######################################} |
| {% macro install_constants() %} |
| {# FIXME: should use reflected_name instead of name #} |
| {# Normal (always enabled) constants #} |
| static const V8DOMConfiguration::ConstantConfiguration {{v8_class}}Constants[] = { |
| {% for constant in constants if not constant.runtime_enabled_function %} |
| {"{{constant.name}}", {{constant.value}}}, |
| {% endfor %} |
| }; |
| V8DOMConfiguration::installConstants(functionTemplate, prototypeTemplate, {{v8_class}}Constants, WTF_ARRAY_LENGTH({{v8_class}}Constants), isolate); |
| {# Runtime-enabled constants #} |
| {% for constant in constants if constant.runtime_enabled_function %} |
| if ({{constant.runtime_enabled_function}}()) { |
| static const V8DOMConfiguration::ConstantConfiguration constantConfiguration = {"{{constant.name}}", static_cast<signed int>({{constant.value}})}; |
| V8DOMConfiguration::installConstants(functionTemplate, prototypeTemplate, &constantConfiguration, 1, isolate); |
| } |
| {% endfor %} |
| {# Check constants #} |
| {% if not do_not_check_constants %} |
| {% for constant in constants %} |
| COMPILE_ASSERT({{constant.value}} == {{cpp_class}}::{{constant.reflected_name}}, TheValueOf{{cpp_class}}_{{constant.reflected_name}}DoesntMatchWithImplementation); |
| {% endfor %} |
| {% endif %} |
| {% endmacro %} |
| |
| |
| {##############################################################################} |
| {% block get_template %} |
| {# FIXME: rename to get_dom_template and GetDOMTemplate #} |
| v8::Handle<v8::FunctionTemplate> {{v8_class}}::domTemplate(v8::Isolate* isolate, WrapperWorldType currentWorldType) |
| { |
| V8PerIsolateData* data = V8PerIsolateData::from(isolate); |
| V8PerIsolateData::TemplateMap::iterator result = data->templateMap(currentWorldType).find(&wrapperTypeInfo); |
| if (result != data->templateMap(currentWorldType).end()) |
| return result->value.newLocal(isolate); |
| |
| TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "BuildDOMTemplate"); |
| v8::EscapableHandleScope handleScope(isolate); |
| v8::Local<v8::FunctionTemplate> templ = |
| Configure{{v8_class}}Template(data->rawDOMTemplate(&wrapperTypeInfo, currentWorldType), isolate, currentWorldType); |
| data->templateMap(currentWorldType).add(&wrapperTypeInfo, UnsafePersistent<v8::FunctionTemplate>(isolate, templ)); |
| return handleScope.Escape(templ); |
| } |
| |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block has_instance_and_has_instance_in_any_world %} |
| bool {{v8_class}}::hasInstance(v8::Handle<v8::Value> jsValue, v8::Isolate* isolate, WrapperWorldType currentWorldType) |
| { |
| return V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, jsValue, currentWorldType); |
| } |
| |
| bool {{v8_class}}::hasInstanceInAnyWorld(v8::Handle<v8::Value> jsValue, v8::Isolate* isolate) |
| { |
| return V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, jsValue, MainWorld) |
| || V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, jsValue, IsolatedWorld) |
| || V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, jsValue, WorkerWorld); |
| } |
| |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block install_per_context_attributes %} |
| {% if has_per_context_enabled_attributes %} |
| void {{v8_class}}::installPerContextEnabledProperties(v8::Handle<v8::Object> instanceTemplate, {{cpp_class}}* impl, v8::Isolate* isolate) |
| { |
| v8::Local<v8::Object> prototypeTemplate = v8::Local<v8::Object>::Cast(instanceTemplate->GetPrototype()); |
| {% for attribute in attributes if attribute.per_context_enabled_function %} |
| if ({{attribute.per_context_enabled_function}}(impl->document())) { |
| static const V8DOMConfiguration::AttributeConfiguration attributeConfiguration =\ |
| {{attribute_configuration(attribute)}}; |
| V8DOMConfiguration::installAttribute(instanceTemplate, prototypeTemplate, attributeConfiguration, isolate); |
| } |
| {% endfor %} |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block install_per_context_methods %} |
| {% if has_per_context_enabled_methods %} |
| void {{v8_class}}::installPerContextEnabledMethods(v8::Handle<v8::Object> prototypeTemplate, v8::Isolate* isolate) |
| { |
| {# Define per-context enabled operations #} |
| v8::Local<v8::Signature> defaultSignature = v8::Signature::New(isolate, domTemplate(isolate, worldType(isolate))); |
| |
| ExecutionContext* context = toExecutionContext(prototypeTemplate->CreationContext()); |
| {% for method in methods if method.per_context_enabled_function %} |
| if (context && context->isDocument() && {{method.per_context_enabled_function}}(toDocument(context))) |
| prototypeTemplate->Set(v8::String::NewFromUtf8(isolate, "{{method.name}}", v8::String::kInternalizedString), v8::FunctionTemplate::New(isolate, {{cpp_class}}V8Internal::{{method.name}}MethodCallback, v8Undefined(), defaultSignature, {{method.number_of_required_arguments}})->GetFunction()); |
| {% 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 wrap %} |
| {% if special_wrap_for %} |
| 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); |
| return wrapper; |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block create_wrapper %} |
| {% if not has_custom_to_v8 %} |
| v8::Handle<v8::Object> {{v8_class}}::createWrapper(PassRefPtr<{{cpp_class}}> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) |
| { |
| ASSERT(impl); |
| ASSERT(!DOMDataStore::containsWrapper<{{v8_class}}>(impl.get(), isolate)); |
| if (ScriptWrappable::wrapperCanBeStoredInObject(impl.get())) { |
| const WrapperTypeInfo* actualInfo = ScriptWrappable::getTypeInfoFromObject(impl.get()); |
| // 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); |
| } |
| |
| v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, &wrapperTypeInfo, toInternalPointer(impl.get()), isolate); |
| if (UNLIKELY(wrapper.IsEmpty())) |
| return wrapper; |
| |
| installPerContextEnabledProperties(wrapper, impl.get(), isolate); |
| {% set wrapper_configuration = 'WrapperConfiguration::Dependent' |
| if (has_visit_dom_wrapper or |
| is_active_dom_object or |
| is_dependent_lifetime) else |
| 'WrapperConfiguration::Independent' %} |
| V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(impl, &wrapperTypeInfo, wrapper, isolate, {{wrapper_configuration}}); |
| return wrapper; |
| } |
| |
| {% endif %} |
| {% endblock %} |
| |
| |
| {##############################################################################} |
| {% block deref_object_and_to_v8_no_inline %} |
| void {{v8_class}}::derefObject(void* object) |
| { |
| fromInternalPointer(object)->deref(); |
| } |
| |
| template<> |
| v8::Handle<v8::Value> toV8NoInline({{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) |
| { |
| return toV8(impl, creationContext, isolate); |
| } |
| |
| {% endblock %} |