| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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 "defines.h" |
| #include "eventprovider.h" |
| #include <algorithm> |
| #include <utils/Log.h> |
| |
| using namespace com::android::car::keventreader; |
| |
| EventProviderImpl::EventProviderImpl(EventGatherer&& g) : mGatherer(std::move(g)) {} |
| |
| std::thread EventProviderImpl::startLoop() { |
| auto t = std::thread( [this] () -> void { |
| while(true) { |
| auto events = mGatherer.read(); |
| { |
| std::scoped_lock lock(mMutex); |
| for (auto&& cb : mCallbacks) { |
| for (const auto& event : events) { |
| cb->onEvent(event); |
| } |
| } |
| } |
| } |
| }); |
| return t; |
| } |
| |
| Status EventProviderImpl::registerCallback(const sp<IEventCallback>& cb) { |
| std::scoped_lock lock(mMutex); |
| mCallbacks.push_back(cb); |
| return Status::ok(); |
| } |
| |
| Status EventProviderImpl::unregisterCallback(const sp<IEventCallback>& cb) { |
| std::scoped_lock lock(mMutex); |
| std::remove(mCallbacks.begin(), mCallbacks.end(), cb); |
| return Status::ok(); |
| } |