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 /**
20  * A classifier which looks at the ratio between the duration of the stroke and its number of
21  * points.
22  */
23 public class DurationCountClassifier extends StrokeClassifier {
DurationCountClassifier(ClassifierData classifierData)24     public DurationCountClassifier(ClassifierData classifierData) {
25     }
26 
27     @Override
getTag()28     public String getTag() {
29         return "DUR";
30     }
31 
32     @Override
getFalseTouchEvaluation(int type, Stroke stroke)33     public float getFalseTouchEvaluation(int type, Stroke stroke) {
34         return DurationCountEvaluator.evaluate(stroke.getDurationSeconds() / stroke.getCount());
35     }
36 }