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