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 package com.android.systemui.classifier; 18 19 import android.hardware.SensorEvent; 20 import android.view.MotionEvent; 21 22 /** 23 * An abstract class for classifiers for touch and sensor events. 24 */ 25 public abstract class Classifier { 26 public static final int QUICK_SETTINGS = 0; 27 public static final int NOTIFICATION_DISMISS = 1; 28 public static final int NOTIFICATION_DRAG_DOWN = 2; 29 public static final int NOTIFICATION_DOUBLE_TAP = 3; 30 public static final int UNLOCK = 4; 31 public static final int LEFT_AFFORDANCE = 5; 32 public static final int RIGHT_AFFORDANCE = 6; 33 public static final int GENERIC = 7; 34 35 /** 36 * Contains all the information about touch events from which the classifier can query 37 */ 38 protected ClassifierData mClassifierData; 39 40 /** 41 * Informs the classifier that a new touch event has occurred 42 */ onTouchEvent(MotionEvent event)43 public void onTouchEvent(MotionEvent event) { 44 } 45 46 /** 47 * Informs the classifier that a sensor change occurred 48 */ onSensorChanged(SensorEvent event)49 public void onSensorChanged(SensorEvent event) { 50 } 51 getTag()52 public abstract String getTag(); 53 } 54