/*
* Copyright (C) 2013 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.
*/
package com.example.inputmanagercompat;
import android.annotation.TargetApi;
import android.content.Context;
import android.hardware.input.InputManager;
import android.os.Build;
import android.os.Handler;
import android.view.InputDevice;
import android.view.MotionEvent;
import java.util.HashMap;
import java.util.Map;
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public class InputManagerV16 implements InputManagerCompat {
private final InputManager mInputManager;
private final Map<InputManagerCompat.InputDeviceListener, V16InputDeviceListener> mListeners;
public InputManagerV16(Context context) {
mInputManager = (InputManager) context.getSystemService(Context.INPUT_SERVICE);
mListeners = new HashMap<InputManagerCompat.InputDeviceListener, V16InputDeviceListener>();
}
@Override
public InputDevice getInputDevice(int id) {
return mInputManager.getInputDevice(id);
}
@Override
public int[] getInputDeviceIds() {
return mInputManager.getInputDeviceIds();
}
static class V16InputDeviceListener implements InputManager.InputDeviceListener {
final InputManagerCompat.InputDeviceListener mIDL;
public V16InputDeviceListener(InputDeviceListener idl) {
mIDL = idl;
}
@Override
public void onInputDeviceAdded(int deviceId) {
mIDL.onInputDeviceAdded(deviceId);
}
@Override
public void onInputDeviceChanged(int deviceId) {
mIDL.onInputDeviceChanged(deviceId);
}
@Override
public void onInputDeviceRemoved(int deviceId) {
mIDL.onInputDeviceRemoved(deviceId);
}
}
@Override
public void registerInputDeviceListener(InputDeviceListener listener, Handler handler) {
V16InputDeviceListener v16Listener = new V16InputDeviceListener(listener);
mInputManager.registerInputDeviceListener(v16Listener, handler);
mListeners.put(listener, v16Listener);
}
@Override
public void unregisterInputDeviceListener(InputDeviceListener listener) {
V16InputDeviceListener curListener = mListeners.remove(listener);
if (null != curListener)
{
mInputManager.unregisterInputDeviceListener(curListener);
}
}
@Override
public void onGenericMotionEvent(MotionEvent event) {
// unused in V16
}
@Override
public void onPause() {
// unused in V16
}
@Override
public void onResume() {
// unused in V16
}
}