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      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      */
     43     public void onTouchEvent(MotionEvent event) {
     44     }
     45 
     46     /**
     47      * Informs the classifier that a sensor change occurred
     48      */
     49     public void onSensorChanged(SensorEvent event) {
     50     }
     51 
     52     public abstract String getTag();
     53 }
     54