1 /* 2 * Copyright (C) 2013 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 package com.example.inputmanagercompat; 18 19 import android.annotation.TargetApi; 20 import android.content.Context; 21 import android.hardware.input.InputManager; 22 import android.os.Build; 23 import android.os.Handler; 24 import android.view.InputDevice; 25 import android.view.MotionEvent; 26 27 import java.util.HashMap; 28 import java.util.Map; 29 30 @TargetApi(Build.VERSION_CODES.JELLY_BEAN) 31 public class InputManagerV16 implements InputManagerCompat { 32 33 private final InputManager mInputManager; 34 private final Map<InputManagerCompat.InputDeviceListener, V16InputDeviceListener> mListeners; 35 36 public InputManagerV16(Context context) { 37 mInputManager = (InputManager) context.getSystemService(Context.INPUT_SERVICE); 38 mListeners = new HashMap<InputManagerCompat.InputDeviceListener, V16InputDeviceListener>(); 39 } 40 41 @Override 42 public InputDevice getInputDevice(int id) { 43 return mInputManager.getInputDevice(id); 44 } 45 46 @Override 47 public int[] getInputDeviceIds() { 48 return mInputManager.getInputDeviceIds(); 49 } 50 51 static class V16InputDeviceListener implements InputManager.InputDeviceListener { 52 final InputManagerCompat.InputDeviceListener mIDL; 53 54 public V16InputDeviceListener(InputDeviceListener idl) { 55 mIDL = idl; 56 } 57 58 @Override 59 public void onInputDeviceAdded(int deviceId) { 60 mIDL.onInputDeviceAdded(deviceId); 61 } 62 63 @Override 64 public void onInputDeviceChanged(int deviceId) { 65 mIDL.onInputDeviceChanged(deviceId); 66 } 67 68 @Override 69 public void onInputDeviceRemoved(int deviceId) { 70 mIDL.onInputDeviceRemoved(deviceId); 71 } 72 73 } 74 75 @Override 76 public void registerInputDeviceListener(InputDeviceListener listener, Handler handler) { 77 V16InputDeviceListener v16Listener = new V16InputDeviceListener(listener); 78 mInputManager.registerInputDeviceListener(v16Listener, handler); 79 mListeners.put(listener, v16Listener); 80 } 81 82 @Override 83 public void unregisterInputDeviceListener(InputDeviceListener listener) { 84 V16InputDeviceListener curListener = mListeners.remove(listener); 85 if (null != curListener) 86 { 87 mInputManager.unregisterInputDeviceListener(curListener); 88 } 89 90 } 91 92 @Override 93 public void onGenericMotionEvent(MotionEvent event) { 94 // unused in V16 95 } 96 97 @Override 98 public void onPause() { 99 // unused in V16 100 } 101 102 @Override 103 public void onResume() { 104 // unused in V16 105 } 106 107 } 108
