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