/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.classifier;
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import android.view.MotionEvent;
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/**
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* A classifier which looks at the total number of traces in the whole gesture.
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*/
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public class PointerCountClassifier extends GestureClassifier {
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private int mCount;
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public PointerCountClassifier(ClassifierData classifierData) {
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mCount = 0;
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}
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@Override
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public String getTag() {
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return "PTR_CNT";
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}
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@Override
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public void onTouchEvent(MotionEvent event) {
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int action = event.getActionMasked();
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if (action == MotionEvent.ACTION_DOWN) {
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mCount = 1;
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}
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if (action == MotionEvent.ACTION_POINTER_DOWN) {
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++mCount;
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}
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}
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@Override
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public float getFalseTouchEvaluation(int type) {
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return PointerCountEvaluator.evaluate(mCount);
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}
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}
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