| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.systemui.classifier; |
| |
| /** |
| * A classifier which looks at the general direction of a stroke and evaluates it depending on |
| * the type of action that takes place. |
| */ |
| public class DirectionClassifier extends StrokeClassifier { |
| public DirectionClassifier(ClassifierData classifierData) { |
| } |
| |
| @Override |
| public String getTag() { |
| return "DIR"; |
| } |
| |
| @Override |
| public float getFalseTouchEvaluation(int type, Stroke stroke) { |
| Point firstPoint = stroke.getPoints().get(0); |
| Point lastPoint = stroke.getPoints().get(stroke.getPoints().size() - 1); |
| return DirectionEvaluator.evaluate(lastPoint.x - firstPoint.x, lastPoint.y - firstPoint.y, |
| type); |
| } |
| } |