v8NativeObjects/V8Event.cpp at master · hyperandroid/v8NativeObjects · GitHub

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//
// Created by hyperandroid on 13/02/2016.
//

#include"V8Event.h"
#include"Event.h"
#include"Configuration.h"


constintHC_GARBAGE_COLLECTED_CLASS_ID = 16;

namespaceV8EventInternal {

voidpreventDefault( const FunctionCallbackInfo<Value>& info ) {

 }

voidTypeGetter(const FunctionCallbackInfo<Value> &info) {
 Event* ev = Config::ToImpl<Event>(info.Holder());
if ( ev!= nullptr ) {
 info.GetReturnValue().Set(String::NewFromUtf8(info.GetIsolate(), ev->Type()));
 } else {
 info.GetReturnValue().Set(Null(info.GetIsolate()));
 }
 }

voidTimeStampGetter(const FunctionCallbackInfo<Value> &info) {
 Event* ev = Config::ToImpl<Event>(info.Holder());
if ( ev!=nullptr ) {
 info.GetReturnValue().Set((double) ev->TimeStamp());
 } else {
 info.GetReturnValue().Set(Null(info.GetIsolate()));
 }
 }

voidTargetGetter(const FunctionCallbackInfo<Value> &info) {
 Event* ev = Config::ToImpl<Event>(info.Holder());
if ( ev!=nullptr ) {
if ( ev->target==nullptr ) {
 info.GetReturnValue().Set(Null(info.GetIsolate()));
 } else {
 info.GetReturnValue().Set(ev->target->GetWrapper(info.GetIsolate()));
 }
 } else {
 info.GetReturnValue().Set(Null(info.GetIsolate()));
 }
 }

voidCurrentTargetGetter(const FunctionCallbackInfo<Value> &info) {
 Event* ev = Config::ToImpl<Event>(info.Holder());
if ( ev!=nullptr ) {
if ( ev->currentTarget==nullptr ) {
 info.GetReturnValue().Set(Null(info.GetIsolate()));
 } else {
 info.GetReturnValue().Set(ev->currentTarget->GetWrapper(info.GetIsolate()));
 }
 } else {
 info.GetReturnValue().Set(Null(info.GetIsolate()));
 }
 }
}

const WrapperTypeInfo V8Event::wrapperTypeInfo = {
 V8Event::InterfaceTemplate,
"Event",
nullptr,
2,
HC_GARBAGE_COLLECTED_CLASS_ID
};

const WrapperTypeInfo& Event::wrapperTypeInfo_ = V8Event::wrapperTypeInfo;

static Config::AccessorConfiguration props[] = {
 {"type", V8EventInternal::TypeGetter, nullptr, v8::DontDelete, Config::kOnPrototype},
 {"timeStamp", V8EventInternal::TimeStampGetter, nullptr, v8::DontDelete, Config::kOnPrototype},
 {"target", V8EventInternal::TargetGetter, nullptr, v8::DontDelete, Config::kOnPrototype},
 {"currentTarget", V8EventInternal::CurrentTargetGetter, nullptr, v8::DontDelete, Config::kOnPrototype},
};

static Config::MethodConfiguration methods[] = {
 {"preventDefault", V8EventInternal::preventDefault, v8::DontDelete, Config::kOnPrototype, 0}
};

voidV8Event::constructorCallback(const FunctionCallbackInfo<Value> &ci) {

if ( !ci.IsConstructCall() ) {
Config::Throw(ci.GetIsolate(), "Must be constructor");
return;
 }

// a better approach would be to have PerIsolate data, so that we can query for current
// constructor mode.
if ( Config::Status::CurrentConstructorMode == Config::ConstructorMode::kWrapExistingObject ) {
 ci.GetReturnValue().Set( ci.Holder() );
return;
 }

if ( ci.kArgsLength<1 || !ci[0]->IsString()) {
Config::Throw(ci.GetIsolate(), "V8Event needs a type string argument.");
return;
 }

 String::Utf8Value utf(ci[0]);

 Event* event = newEvent(*utf);
 v8::Local<v8::Object> wrapper = ci.Holder();
 event->AssociateWithWrapper( ci.GetIsolate(), &V8Event::wrapperTypeInfo, wrapper);

 ci.GetReturnValue().Set(wrapper);
}

Local<FunctionTemplate> V8Event::InterfaceTemplate(Isolate *isolate) {
returnConfig::InterfaceTemplate(isolate, wrapperTypeInfo, V8Event::InstallInterfaceTemplate);
}

voidV8Event::InstallInterfaceTemplate( Isolate* isolate, Local<FunctionTemplate> interface_template ) {

Config::InitializeInterfaceTemplate(isolate, interface_template, wrapperTypeInfo );

// function template
 interface_template->SetCallHandler(V8Event::constructorCallback);
 interface_template->SetLength(1);

 v8::Local<v8::Signature> signature = v8::Signature::New(isolate, interface_template);

 Local<ObjectTemplate> prototype_t = interface_template->PrototypeTemplate();
 Local<ObjectTemplate> instance_t = interface_template->InstanceTemplate();

Config::InstallAccessors(isolate, instance_t, prototype_t, interface_template, signature, props,
ARRAY_LENGTH(props));

Config::InstallMethods(isolate, instance_t, prototype_t, interface_template, signature, methods,
ARRAY_LENGTH(methods));
}