AdblockPlus::JsValuePtr AdblockPlus::JsValue::Call(const JsValueList& params, JsValuePtr thisPtr) const
{
if (!IsFunction())
throw new std::runtime_error("Attempting to call a non-function");
const JsContext context(jsEngine);
if (!thisPtr)
{
v8::Local<v8::Context> localContext = v8::Local<v8::Context>::New(jsEngine->GetIsolate(), *jsEngine->context);
thisPtr = JsValuePtr(new JsValue(jsEngine, localContext->Global()));
}
if (!thisPtr->IsObject())
throw new std::runtime_error("`this` pointer has to be an object");
v8::Local<v8::Object> thisObj = v8::Local<v8::Object>::Cast(thisPtr->UnwrapValue());
std::vector<v8::Handle<v8::Value>> argv;
for (JsValueList::const_iterator it = params.begin(); it != params.end(); ++it)
argv.push_back((*it)->UnwrapValue());
const v8::TryCatch tryCatch;
v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(UnwrapValue());
v8::Local<v8::Value> result = func->Call(thisObj, argv.size(),
argv.size() ? &argv.front() : 0);
if (tryCatch.HasCaught())
throw JsError(tryCatch.Exception(), tryCatch.Message());
return JsValuePtr(new JsValue(jsEngine, result));
}
AdblockPlus::JsValueList AdblockPlus::JsEngine::ConvertArguments(const v8::Arguments& arguments)
{
const JsContext context(shared_from_this());
JsValueList list;
for (int i = 0; i < arguments.Length(); i++)
list.push_back(JsValuePtr(new JsValue(shared_from_this(), arguments[i])));
return list;
}
AdblockPlus::JsValuePtr AdblockPlus::JsValue::GetProperty(const std::string& name) const
{
if (!IsObject())
throw new std::runtime_error("Attempting to get property of a non-object");
const JsContext context(jsEngine);
v8::Local<v8::String> property = Utils::ToV8String(jsEngine->GetIsolate(), name);
v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(UnwrapValue());
return JsValuePtr(new JsValue(jsEngine, obj->Get(property)));
}
AdblockPlus::JsValuePtr AdblockPlus::JsEngine::Evaluate(const std::string& source,
const std::string& filename)
{
const JsContext context(shared_from_this());
const v8::TryCatch tryCatch;
const v8::Handle<v8::Script> script = CompileScript(isolate, source,
filename);
CheckTryCatch(tryCatch);
v8::Local<v8::Value> result = script->Run();
CheckTryCatch(tryCatch);
return JsValuePtr(new JsValue(shared_from_this(), result));
}
AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewCallback(
v8::InvocationCallback callback)
{
const JsContext context(shared_from_this());
// Note: we are leaking this weak pointer, no obvious way to destroy it when
// it's no longer used
std::weak_ptr<JsEngine>* data =
new std::weak_ptr<JsEngine>(shared_from_this());
v8::Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(callback,
v8::External::New(data));
return JsValuePtr(new JsValue(shared_from_this(), templ->GetFunction()));
}
std::vector<std::string> AdblockPlus::JsValue::GetOwnPropertyNames() const
{
if (!IsObject())
throw new std::runtime_error("Attempting to get propert list for a non-object");
const JsContext context(jsEngine);
v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(UnwrapValue());
JsValueList properties = JsValuePtr(new JsValue(jsEngine, object->GetOwnPropertyNames()))->AsList();
std::vector<std::string> result;
for (JsValueList::iterator it = properties.begin(); it != properties.end(); ++it)
result.push_back((*it)->AsString());
return result;
}
AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::New(const AppInfo& appInfo)
{
V8Initializer::Init();
JsEnginePtr result(new JsEngine());
const v8::Locker locker(result->isolate);
const v8::HandleScope handleScope;
result->context.reset(result->isolate, v8::Context::New(result->isolate));
v8::Local<v8::Object> globalContext = v8::Local<v8::Context>::New(
result->isolate, result->context)->Global();
AdblockPlus::GlobalJsObject::Setup(result, appInfo,
JsValuePtr(new JsValue(result, globalContext)));
return result;
}
AdblockPlus::JsValueList AdblockPlus::JsValue::AsList() const
{
if (!IsArray())
throw std::runtime_error("Cannot convert a non-array to list");
const JsContext context(jsEngine);
JsValueList result;
v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(UnwrapValue());
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; i++)
{
v8::Local<v8::Value> item = array->Get(i);
result.push_back(JsValuePtr(new JsValue(jsEngine, item)));
}
return result;
}
AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::New(const AppInfo& appInfo, const ScopedV8IsolatePtr& isolate)
{
V8Initializer::Init();
JsEnginePtr result(new JsEngine(isolate));
const v8::Locker locker(result->GetIsolate());
const v8::Isolate::Scope isolateScope(result->GetIsolate());
const v8::HandleScope handleScope(result->GetIsolate());
result->context.reset(new v8::UniquePersistent<v8::Context>(result->GetIsolate(), v8::Context::New(result->GetIsolate())));
v8::Local<v8::Object> globalContext = v8::Local<v8::Context>::New(result->GetIsolate(), *result->context)->Global();
result->globalJsObject = JsValuePtr(new JsValue(result, globalContext));
AdblockPlus::GlobalJsObject::Setup(result, appInfo, result->globalJsObject);
return result;
}
AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewObject()
{
const JsContext context(shared_from_this());
return JsValuePtr(new JsValue(shared_from_this(), v8::Object::New()));
}
AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewValue(bool val)
{
const JsContext context(shared_from_this());
return JsValuePtr(new JsValue(shared_from_this(), v8::Boolean::New(val)));
}
AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewValue(int64_t val)
{
const JsContext context(shared_from_this());
return JsValuePtr(new JsValue(shared_from_this(),
v8::Number::New(isolate, val)));
}
AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewValue(const std::string& val)
{
const JsContext context(shared_from_this());
return JsValuePtr(new JsValue(shared_from_this(),
Utils::ToV8String(isolate, val)));
}
