/*
* 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;
}
}