void EventDispatcher::addEventListener(EventListener* listener)
{
// if (_inDispatch == 0)
// forceAddEventListener(listener);
// else
// _toAddedListeners.push_back(listener);
// listener->retain();
// Lynn 注册listener无论何时都立即注册
forceAddEventListener(listener);
listener->retain();
}
void EventDispatcher::addEventListener(EventListener* listener)
{
if (_inDispatch == 0)
{
forceAddEventListener(listener);
}
else
{
_toAddedListeners.push_back(listener);
}
listener->retain();
}
void EventDispatcher::addEventListener(EventListener* listener)
{
if (_inDispatch == 0)
{
forceAddEventListener(listener);
listener->retain();
}
else
{
auto matchIter = std::find(_toAddedListeners.begin(), _toAddedListeners.end(), listener);
if (matchIter == _toAddedListeners.end())
{
_toAddedListeners.push_back(listener);
listener->retain();
}
}
}
void EventDispatcher::addEventListener(EventListener* listener)
{
if (_inDispatch == 0)
{
forceAddEventListener(listener);
}
else
{
_toAddedListeners.push_back(listener);
}
#if CC_ENABLE_GC_FOR_NATIVE_OBJECTS
auto sEngine = ScriptEngineManager::getInstance()->getScriptEngine();
if (sEngine)
{
sEngine->retainScriptObject(this, listener);
}
#endif // CC_ENABLE_GC_FOR_NATIVE_OBJECTS
listener->retain();
}
void EventDispatcher::updateListeners(Event* event)
{
CCASSERT(_inDispatch > 0, "If program goes here, there should be event in dispatch.");
if (_inDispatch > 1)
return;
auto onUpdateListeners = [this](const EventListener::ListenerID& listenerID)
{
auto listenersIter = _listenerMap.find(listenerID);
if (listenersIter == _listenerMap.end())
return;
auto listeners = listenersIter->second;
auto fixedPriorityListeners = listeners->getFixedPriorityListeners();
auto sceneGraphPriorityListeners = listeners->getSceneGraphPriorityListeners();
if (sceneGraphPriorityListeners)
{
for (auto iter = sceneGraphPriorityListeners->begin(); iter != sceneGraphPriorityListeners->end();)
{
auto l = *iter;
if (!l->isRegistered())
{
iter = sceneGraphPriorityListeners->erase(iter);
// if item in toRemove list, remove it from the list
auto matchIter = std::find(_toRemovedListeners.begin(), _toRemovedListeners.end(), l);
if (matchIter != _toRemovedListeners.end())
_toRemovedListeners.erase(matchIter);
releaseListener(l);
}
else
{
++iter;
}
}
}
if (fixedPriorityListeners)
{
for (auto iter = fixedPriorityListeners->begin(); iter != fixedPriorityListeners->end();)
{
auto l = *iter;
if (!l->isRegistered())
{
iter = fixedPriorityListeners->erase(iter);
// if item in toRemove list, remove it from the list
auto matchIter = std::find(_toRemovedListeners.begin(), _toRemovedListeners.end(), l);
if (matchIter != _toRemovedListeners.end())
_toRemovedListeners.erase(matchIter);
releaseListener(l);
}
else
{
++iter;
}
}
}
if (sceneGraphPriorityListeners && sceneGraphPriorityListeners->empty())
{
listeners->clearSceneGraphListeners();
}
if (fixedPriorityListeners && fixedPriorityListeners->empty())
{
listeners->clearFixedListeners();
}
};
if (event->getType() == Event::Type::TOUCH)
{
onUpdateListeners(EventListenerTouchOneByOne::LISTENER_ID);
onUpdateListeners(EventListenerTouchAllAtOnce::LISTENER_ID);
}
else
{
onUpdateListeners(__getListenerID(event));
}
CCASSERT(_inDispatch == 1, "_inDispatch should be 1 here.");
for (auto iter = _listenerMap.begin(); iter != _listenerMap.end();)
{
if (iter->second->empty())
{
_priorityDirtyFlagMap.erase(iter->first);
delete iter->second;
iter = _listenerMap.erase(iter);
}
else
{
++iter;
}
}
if (!_toAddedListeners.empty())
{
for (auto& listener : _toAddedListeners)
{
forceAddEventListener(listener);
}
_toAddedListeners.clear();
}
if (!_toRemovedListeners.empty())
{
cleanToRemovedListeners();
}
}
void EventDispatcher::updateListeners(Event* event)
{
auto onUpdateListeners = [this](const EventListener::ListenerID& listenerID)
{
auto listenersIter = _listeners.find(listenerID);
if (listenersIter == _listeners.end())
return;
auto listeners = listenersIter->second;
auto fixedPriorityListeners = listeners->getFixedPriorityListeners();
auto sceneGraphPriorityListeners = listeners->getSceneGraphPriorityListeners();
if (sceneGraphPriorityListeners)
{
for (auto iter = sceneGraphPriorityListeners->begin(); iter != sceneGraphPriorityListeners->end();)
{
auto l = *iter;
if (!l->isRegistered())
{
iter = sceneGraphPriorityListeners->erase(iter);
l->release();
}
else
{
++iter;
}
}
}
if (fixedPriorityListeners)
{
for (auto iter = fixedPriorityListeners->begin(); iter != fixedPriorityListeners->end();)
{
auto l = *iter;
if (!l->isRegistered())
{
iter = fixedPriorityListeners->erase(iter);
l->release();
}
else
{
++iter;
}
}
}
if (sceneGraphPriorityListeners && sceneGraphPriorityListeners->empty())
{
listeners->clearSceneGraphListeners();
}
if (fixedPriorityListeners && fixedPriorityListeners->empty())
{
listeners->clearFixedListeners();
}
if (listenersIter->second->empty())
{
_priorityDirtyFlagMap.erase(listenersIter->first);
delete listenersIter->second;
_listeners.erase(listenersIter);
}
};
if (event->getType() == Event::Type::TOUCH)
{
onUpdateListeners(EventListenerTouchOneByOne::LISTENER_ID);
onUpdateListeners(EventListenerTouchAllAtOnce::LISTENER_ID);
}
else
{
onUpdateListeners(__getListenerID(event));
}
if (!_toAddedListeners.empty())
{
for (auto& listener : _toAddedListeners)
{
forceAddEventListener(listener);
}
_toAddedListeners.clear();
}
}