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/*
* Copyright (C) 2015 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.
*/
#ifndef ANDROID_INPUT_DEVICE_MANAGER_H_
#define ANDROID_INPUT_DEVICE_MANAGER_H_
#include <memory>
#include <unordered_map>
#include <utils/Timers.h>
#include "InputHub.h"
namespace android {
class InputDeviceInterface;
class InputHostInterface;
/**
* InputDeviceManager keeps the mapping of InputDeviceNodes to
* InputDeviceInterfaces and handles the callbacks from the InputHub, delegating
* them to the appropriate InputDeviceInterface.
*/
class InputDeviceManager : public InputCallbackInterface {
public:
explicit InputDeviceManager(InputHostInterface* host) :
mHost(host) {}
virtual ~InputDeviceManager() override = default;
virtual void onInputEvent(const std::shared_ptr<InputDeviceNode>& node, InputEvent& event,
nsecs_t event_time) override;
virtual void onDeviceAdded(const std::shared_ptr<InputDeviceNode>& node) override;
virtual void onDeviceRemoved(const std::shared_ptr<InputDeviceNode>& node) override;
private:
InputHostInterface* mHost;
template<class T, class U>
using DeviceMap = std::unordered_map<std::shared_ptr<T>, std::shared_ptr<U>>;
DeviceMap<InputDeviceNode, InputDeviceInterface> mDevices;
};
} // namespace android
#endif // ANDROID_INPUT_DEVICE_MANAGER_H_