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.annotation.IntDef; 20 import android.hardware.SensorEvent; 21 import android.view.MotionEvent; 22 23 import java.lang.annotation.Retention; 24 import java.lang.annotation.RetentionPolicy; 25 26 /** 27 * An abstract class for classifiers for touch and sensor events. 28 */ 29 public abstract class Classifier { 30 public static final int QUICK_SETTINGS = 0; 31 public static final int NOTIFICATION_DISMISS = 1; 32 public static final int NOTIFICATION_DRAG_DOWN = 2; 33 public static final int NOTIFICATION_DOUBLE_TAP = 3; 34 public static final int UNLOCK = 4; 35 public static final int LEFT_AFFORDANCE = 5; 36 public static final int RIGHT_AFFORDANCE = 6; 37 public static final int GENERIC = 7; 38 public static final int BOUNCER_UNLOCK = 8; 39 public static final int PULSE_EXPAND = 9; 40 41 @IntDef({ 42 QUICK_SETTINGS, 43 NOTIFICATION_DISMISS, 44 NOTIFICATION_DRAG_DOWN, 45 NOTIFICATION_DOUBLE_TAP, 46 UNLOCK, 47 LEFT_AFFORDANCE, 48 RIGHT_AFFORDANCE, 49 GENERIC, 50 BOUNCER_UNLOCK, 51 PULSE_EXPAND 52 }) 53 @Retention(RetentionPolicy.SOURCE) 54 public @interface InteractionType {} 55 56 /** 57 * Contains all the information about touch events from which the classifier can query 58 */ 59 protected ClassifierData mClassifierData; 60 61 /** 62 * Informs the classifier that a new touch event has occurred 63 */ onTouchEvent(MotionEvent event)64 public void onTouchEvent(MotionEvent event) { 65 } 66 67 /** 68 * Informs the classifier that a sensor change occurred 69 */ onSensorChanged(SensorEvent event)70 public void onSensorChanged(SensorEvent event) { 71 } 72 getTag()73 public abstract String getTag(); 74 } 75