| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "cobalt/base/event_dispatcher.h" |
| |
| #include "base/logging.h" |
| |
| namespace base { |
| |
| EventDispatcher::~EventDispatcher() {} |
| |
| void EventDispatcher::AddEventCallback(TypeId type, const EventCallback& cb) { |
| base::AutoLock lock(lock_); |
| event_callbacks_[type].push_back(cb); |
| } |
| |
| void EventDispatcher::RemoveEventCallback(TypeId type, |
| const EventCallback& cb) { |
| base::AutoLock lock(lock_); |
| std::vector<EventCallback>& v = event_callbacks_[type]; |
| for (std::vector<EventCallback>::iterator it = v.begin(); it != v.end(); |
| ++it) { |
| if (it->Equals(cb)) { |
| v.erase(it); |
| break; |
| } |
| } |
| } |
| |
| void EventDispatcher::DispatchEvent(scoped_ptr<Event> event) const { |
| base::AutoLock lock(lock_); |
| const TypeId type = event->GetTypeId(); |
| CallbackMap::const_iterator hash_it = event_callbacks_.find(type); |
| if (hash_it == event_callbacks_.end()) { |
| return; |
| } |
| |
| const std::vector<EventCallback>& v = hash_it->second; |
| for (std::vector<EventCallback>::const_iterator it = v.begin(); it != v.end(); |
| ++it) { |
| it->Run(event.get()); |
| } |
| } |
| |
| } // namespace base |