diff options
Diffstat (limited to 'src/crepe/api/EventManager.cpp')
-rw-r--r-- | src/crepe/api/EventManager.cpp | 73 |
1 files changed, 26 insertions, 47 deletions
diff --git a/src/crepe/api/EventManager.cpp b/src/crepe/api/EventManager.cpp index 27a304f..4f88e97 100644 --- a/src/crepe/api/EventManager.cpp +++ b/src/crepe/api/EventManager.cpp @@ -8,58 +8,37 @@ EventManager & EventManager::get_instance() { } void EventManager::dispatch_events() { - using HandlersMap - = std::unordered_map<int, std::vector<std::unique_ptr<IEventHandlerWrapper>>>; - using HandlersVec = std::vector<std::unique_ptr<IEventHandlerWrapper>>; + for (auto event_it = this->events_queue.begin(); event_it != this->events_queue.end();) { + std::unique_ptr<Event>& event = (*event_it).event; + int channel = (*event_it).channel; + std::type_index event_type = (*event_it).type; - for (auto event_it = this->events_queue.begin(); event_it != this->events_queue.end();) { - std::unique_ptr<Event> & event = (*event_it).event; - int channel = (*event_it).channel; - std::type_index event_type = (*event_it).type; + bool event_handled = false; + auto handlers_it = this->subscribers.find(event_type); + if (handlers_it != this->subscribers.end()) { + std::vector<CallbackEntry>& handlers = handlers_it->second; + + std::sort(handlers.begin(), handlers.end(), [](const CallbackEntry& a, const CallbackEntry& b) { + return a.priority > b.priority; + }); - bool event_handled = false; + for (auto handler_it = handlers.begin(); handler_it != handlers.end(); ++handler_it) { + // If callback is executed and returns true, remove the event from the queue + if ((*handler_it).callback->exec(*event)) { + event_it = this->events_queue.erase(event_it); + event_handled = true; + break; + } + } + } - if (channel) { - auto handlers_it = subscribers_by_event_id.find(event_type); - if (handlers_it != subscribers_by_event_id.end()) { - HandlersMap & handlers_map = handlers_it->second; - auto handlers = handlers_map.find(channel); - if (handlers != handlers_map.end()) { - HandlersVec & callbacks = handlers->second; - for (auto handler_it = callbacks.begin(); handler_it != callbacks.end(); - ++handler_it) { - if ((*handler_it)->exec(*event)) { - event_it = events_queue.erase(event_it); - event_handled = true; - break; - } - } - } - } - } else { - // Handle event for all channels - auto handlers_it = this->subscribers.find(event_type); - if (handlers_it != this->subscribers.end()) { - HandlersVec & handlers = handlers_it->second; - for (auto handler_it = handlers.begin(); handler_it != handlers.end(); - ++handler_it) { - // remove event from queue since and continue when callback returns true - if ((*handler_it)->exec(*event)) { - event_it = this->events_queue.erase(event_it); - event_handled = true; - break; - } - } - } - } - - if (!event_handled) { - ++event_it; - } - } + if (!event_handled) { + ++event_it; + } + } } + void EventManager::clear(){ this->subscribers.clear(); this->events_queue.clear(); - this->subscribers_by_event_id.clear(); } |