/*
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* Copyright (C) 2019 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.brightline;
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import android.hardware.SensorEvent;
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import android.view.MotionEvent;
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import com.android.systemui.classifier.Classifier;
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import java.util.List;
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/**
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* Base class for rules that determine False touches.
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*/
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abstract class FalsingClassifier {
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private final FalsingDataProvider mDataProvider;
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FalsingClassifier(FalsingDataProvider dataProvider) {
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this.mDataProvider = dataProvider;
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}
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List<MotionEvent> getRecentMotionEvents() {
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return mDataProvider.getRecentMotionEvents();
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}
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MotionEvent getFirstMotionEvent() {
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return mDataProvider.getFirstRecentMotionEvent();
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}
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MotionEvent getLastMotionEvent() {
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return mDataProvider.getLastMotionEvent();
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}
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boolean isHorizontal() {
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return mDataProvider.isHorizontal();
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}
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boolean isRight() {
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return mDataProvider.isRight();
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}
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boolean isVertical() {
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return mDataProvider.isVertical();
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}
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boolean isUp() {
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return mDataProvider.isUp();
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}
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float getAngle() {
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return mDataProvider.getAngle();
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}
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int getWidthPixels() {
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return mDataProvider.getWidthPixels();
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}
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int getHeightPixels() {
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return mDataProvider.getHeightPixels();
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}
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float getXdpi() {
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return mDataProvider.getXdpi();
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}
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float getYdpi() {
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return mDataProvider.getYdpi();
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}
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final @Classifier.InteractionType int getInteractionType() {
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return mDataProvider.getInteractionType();
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}
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final void setInteractionType(@Classifier.InteractionType int interactionType) {
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mDataProvider.setInteractionType(interactionType);
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}
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/**
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* Called whenever a MotionEvent occurs.
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*
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* Useful for classifiers that need to see every MotionEvent, but most can probably
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* use {@link #getRecentMotionEvents()} instead, which will return a list of MotionEvents.
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*/
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void onTouchEvent(MotionEvent motionEvent) {};
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/**
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* Called whenever a SensorEvent occurs, specifically the ProximitySensor.
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*/
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void onSensorEvent(SensorEvent sensorEvent) {};
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/**
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* The phone screen has turned on and we need to begin falsing detection.
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*/
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void onSessionStarted() {};
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/**
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* The phone screen has turned off and falsing data can be discarded.
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*/
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void onSessionEnded() {};
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/**
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* Returns true if the data captured so far looks like a false touch.
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*/
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abstract boolean isFalseTouch();
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static void logDebug(String msg) {
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BrightLineFalsingManager.logDebug(msg);
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}
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static void logInfo(String msg) {
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BrightLineFalsingManager.logInfo(msg);
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}
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static void logError(String msg) {
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BrightLineFalsingManager.logError(msg);
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}
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}
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