| /* |
| * 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; |
| |
| public class DirectionEvaluator { |
| public static float evaluate(float xDiff, float yDiff, int type) { |
| float falsingEvaluation = 5.5f; |
| boolean vertical = Math.abs(yDiff) >= Math.abs(xDiff); |
| switch (type) { |
| case Classifier.QUICK_SETTINGS: |
| case Classifier.NOTIFICATION_DRAG_DOWN: |
| if (!vertical || yDiff <= 0.0) { |
| return falsingEvaluation; |
| } |
| break; |
| case Classifier.NOTIFICATION_DISMISS: |
| if (vertical) { |
| return falsingEvaluation; |
| } |
| break; |
| case Classifier.UNLOCK: |
| if (!vertical || yDiff >= 0.0) { |
| return falsingEvaluation; |
| } |
| break; |
| case Classifier.LEFT_AFFORDANCE: |
| if (xDiff < 0.0 && yDiff > 0.0) { |
| return falsingEvaluation; |
| } |
| break; |
| case Classifier.RIGHT_AFFORDANCE: |
| if (xDiff > 0.0 && yDiff > 0.0) { |
| return falsingEvaluation; |
| } |
| default: |
| break; |
| } |
| return 0.0f; |
| } |
| } |