bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue, ScriptExecutionContext* scriptExecutionContext)
{
v8::TryCatch exceptionCatcher;
exceptionCatcher.SetVerbose(true);
v8::Local<v8::Function> callbackFunction;
if (callback->IsFunction()) {
callbackFunction = v8::Local<v8::Function>::New(v8::Persistent<v8::Function>::Cast(callback));
} else if (callback->IsObject()) {
v8::Local<v8::Value> handleEventFunction = callback->Get(v8::String::NewSymbol("handleEvent"));
if (handleEventFunction->IsFunction())
callbackFunction = v8::Local<v8::Function>::Cast(handleEventFunction);
} else
return false;
if (callbackFunction.IsEmpty())
return false;
v8::Handle<v8::Object> thisObject = v8::Context::GetCurrent()->Global();
Frame* frame = scriptExecutionContext && scriptExecutionContext->isDocument() ? static_cast<Document*>(scriptExecutionContext)->frame() : 0;
v8::Handle<v8::Value> result = V8Proxy::instrumentedCallFunction(frame, callbackFunction, thisObject, argc, argv);
callbackReturnValue = !result.IsEmpty() && result->BooleanValue();
return exceptionCatcher.HasCaught();
}
bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue)
{
// FIXME: If an exception was thrown by the callback, we should report it
v8::TryCatch exceptionCatcher;
v8::Local<v8::Function> callbackFunction;
if (callback->IsFunction()) {
callbackFunction = v8::Local<v8::Function>::New(v8::Persistent<v8::Function>::Cast(callback));
} else if (callback->IsObject()) {
v8::Local<v8::Value> handleEventFunction = callback->Get(v8::String::NewSymbol("handleEvent"));
if (handleEventFunction->IsFunction()) {
callbackFunction = v8::Local<v8::Function>::Cast(handleEventFunction);
}
} else
return false;
if (callbackFunction.IsEmpty())
return false;
v8::Handle<v8::Object> thisObject = v8::Context::GetCurrent()->Global();
V8Proxy* proxy = V8Proxy::retrieve();
ASSERT(proxy);
v8::Handle<v8::Value> result = proxy->CallFunction(callbackFunction, thisObject, argc, argv);
callbackReturnValue = result.IsEmpty() && result->IsBoolean() && result->BooleanValue();
return exceptionCatcher.HasCaught();
}
bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue, ScriptExecutionContext* scriptExecutionContext)
{
v8::TryCatch exceptionCatcher;
v8::Local<v8::Function> callbackFunction;
if (callback->IsFunction()) {
callbackFunction = v8::Local<v8::Function>::New(v8::Persistent<v8::Function>::Cast(callback));
} else if (callback->IsObject()) {
v8::Local<v8::Value> handleEventFunction = callback->Get(v8::String::NewSymbol("handleEvent"));
if (handleEventFunction->IsFunction())
callbackFunction = v8::Local<v8::Function>::Cast(handleEventFunction);
} else
return false;
if (callbackFunction.IsEmpty())
return false;
v8::Handle<v8::Object> thisObject = v8::Context::GetCurrent()->Global();
v8::Handle<v8::Value> result = callbackFunction->Call(thisObject, argc, argv);
callbackReturnValue = !result.IsEmpty() && result->BooleanValue();
if (exceptionCatcher.HasCaught()) {
v8::Local<v8::Message> message = exceptionCatcher.Message();
scriptExecutionContext->reportException(toWebCoreString(message->Get()), message->GetLineNumber(), toWebCoreString(message->GetScriptResourceName()));
return true;
}
return false;
}
virtual void VisitPersistentHandle(v8::Persistent<v8::Value> value, uint16_t classId)
{
if (classId != v8DOMNodeClassId)
return;
ASSERT(V8Node::HasInstance(value));
ASSERT(value->IsObject());
ASSERT(!value.IsIndependent());
v8::Persistent<v8::Object> wrapper = v8::Persistent<v8::Object>::Cast(value);
m_visitor->visitNodeWrapper(V8Node::toNative(wrapper), wrapper);
}
void DOMDataStore::weakSVGElementInstanceCallback(v8::Persistent<v8::Value> v8Object, void* domObject)
{
v8::HandleScope scope;
ASSERT(v8Object->IsObject());
DOMData::handleWeakObject(DOMDataStore::DOMSVGElementInstanceMap, v8::Persistent<v8::Object>::Cast(v8Object), static_cast<SVGElementInstance*>(domObject));
}
void DOMDataStore::weakActiveDOMObjectCallback(v8::Persistent<v8::Value> v8Object, void* domObject)
{
v8::HandleScope scope;
ASSERT(v8Object->IsObject());
DOMData::handleWeakObject(DOMDataStore::ActiveDOMObjectMap, v8::Persistent<v8::Object>::Cast(v8Object), domObject);
}