1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_INPUT_DEVICE_MANAGER_H_ 18 #define ANDROID_INPUT_DEVICE_MANAGER_H_ 19 20 #include <memory> 21 #include <unordered_map> 22 23 #include <utils/Timers.h> 24 25 #include "InputHub.h" 26 27 namespace android { 28 29 class InputDeviceInterface; 30 class InputHostInterface; 31 32 /** 33 * InputDeviceManager keeps the mapping of InputDeviceNodes to 34 * InputDeviceInterfaces and handles the callbacks from the InputHub, delegating 35 * them to the appropriate InputDeviceInterface. 36 */ 37 class InputDeviceManager : public InputCallbackInterface { 38 public: 39 explicit InputDeviceManager(InputHostInterface* host) : 40 mHost(host) {} 41 virtual ~InputDeviceManager() override = default; 42 43 virtual void onInputEvent(const std::shared_ptr<InputDeviceNode>& node, InputEvent& event, 44 nsecs_t event_time) override; 45 virtual void onDeviceAdded(const std::shared_ptr<InputDeviceNode>& node) override; 46 virtual void onDeviceRemoved(const std::shared_ptr<InputDeviceNode>& node) override; 47 48 private: 49 InputHostInterface* mHost; 50 51 template<class T, class U> 52 using DeviceMap = std::unordered_map<std::shared_ptr<T>, std::shared_ptr<U>>; 53 54 DeviceMap<InputDeviceNode, InputDeviceInterface> mDevices; 55 }; 56 57 } // namespace android 58 59 #endif // ANDROID_INPUT_DEVICE_MANAGER_H_ 60
