Track all ActiveGestureLogs in ProtoLog
Flag: com.android.launcher3.enable_active_gesture_proto_log Bug: 293182501 Test: checked protolog traces in winscope Doc: go/launcher-protolog-support Change-Id: I2eb153aa9a94fe49f9c5e9b93b0be5e14fb4eb9c
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Schneider Victor-Tulias
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Schneider Victor-tulias
Schneider Victor-tulias
parent
8388a07673
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62335be7c9
@@ -0,0 +1,372 @@
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/*
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* Copyright (C) 2024 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.quickstep.util;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import java.io.PrintWriter;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.List;
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import java.util.Locale;
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import java.util.Objects;
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/**
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* A log to keep track of the active gesture.
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*/
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public class ActiveGestureLog {
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private static final int MAX_GESTURES_TRACKED = 15;
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public static final ActiveGestureLog INSTANCE = new ActiveGestureLog();
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private boolean mIsFullyGesturalNavMode;
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/**
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* NOTE: This value should be kept same as
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* ActivityTaskManagerService#INTENT_EXTRA_LOG_TRACE_ID in platform
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*/
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public static final String INTENT_EXTRA_LOG_TRACE_ID = "INTENT_EXTRA_LOG_TRACE_ID";
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private final EventLog[] logs;
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private int nextIndex;
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private int mCurrentLogId = 100;
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private ActiveGestureLog() {
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this.logs = new EventLog[MAX_GESTURES_TRACKED];
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this.nextIndex = 0;
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}
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/**
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* Track the given event for error detection.
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*
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* @param gestureEvent GestureEvent representing an event during the current gesture's
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* execution.
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*/
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public void trackEvent(@Nullable ActiveGestureErrorDetector.GestureEvent gestureEvent) {
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addLog(CompoundString.NO_OP, gestureEvent);
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}
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/**
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* Adds a log to be printed at log-dump-time.
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*/
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public void addLog(@NonNull String event) {
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addLog(event, null);
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}
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public void addLog(@NonNull String event, int extras) {
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addLog(event, extras, null);
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}
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public void addLog(@NonNull String event, boolean extras) {
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addLog(event, extras, null);
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}
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/**
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* Adds a log to be printed at log-dump-time and track the associated event for error detection.
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*
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* @param gestureEvent GestureEvent representing the event being logged.
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*/
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public void addLog(
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@NonNull String event, @Nullable ActiveGestureErrorDetector.GestureEvent gestureEvent) {
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addLog(new CompoundString(event), gestureEvent);
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}
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public void addLog(
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@NonNull String event,
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int extras,
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@Nullable ActiveGestureErrorDetector.GestureEvent gestureEvent) {
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addLog(new CompoundString(event).append(": ").append(extras), gestureEvent);
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}
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public void addLog(
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@NonNull String event,
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boolean extras,
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@Nullable ActiveGestureErrorDetector.GestureEvent gestureEvent) {
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addLog(new CompoundString(event).append(": ").append(extras), gestureEvent);
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}
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public void addLog(@NonNull CompoundString compoundString) {
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addLog(compoundString, null);
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}
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public void addLog(
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@NonNull CompoundString compoundString,
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@Nullable ActiveGestureErrorDetector.GestureEvent gestureEvent) {
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EventLog lastEventLog = logs[(nextIndex + logs.length - 1) % logs.length];
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if (lastEventLog == null || mCurrentLogId != lastEventLog.logId) {
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EventLog eventLog = new EventLog(mCurrentLogId, mIsFullyGesturalNavMode);
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EventEntry eventEntry = new EventEntry();
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eventEntry.update(compoundString, gestureEvent);
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eventLog.eventEntries.add(eventEntry);
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logs[nextIndex] = eventLog;
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nextIndex = (nextIndex + 1) % logs.length;
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return;
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}
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// Update the last EventLog
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List<EventEntry> lastEventEntries = lastEventLog.eventEntries;
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EventEntry lastEntry = !lastEventEntries.isEmpty()
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? lastEventEntries.get(lastEventEntries.size() - 1) : null;
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// Update the last EventEntry if it's a duplicate
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if (isEntrySame(lastEntry, compoundString, gestureEvent)) {
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lastEntry.duplicateCount++;
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return;
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}
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EventEntry eventEntry = new EventEntry();
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eventEntry.update(compoundString, gestureEvent);
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lastEventEntries.add(eventEntry);
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}
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public void dump(String prefix, PrintWriter writer) {
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writer.println(prefix + "ActiveGestureErrorDetector:");
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for (int i = 0; i < logs.length; i++) {
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EventLog eventLog = logs[(nextIndex + i) % logs.length];
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if (eventLog == null) {
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continue;
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}
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ActiveGestureErrorDetector.analyseAndDump(prefix + '\t', writer, eventLog);
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}
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writer.println(prefix + "ActiveGestureLog history:");
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SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss.SSSZ ", Locale.US);
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Date date = new Date();
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for (int i = 0; i < logs.length; i++) {
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EventLog eventLog = logs[(nextIndex + i) % logs.length];
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if (eventLog == null) {
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continue;
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}
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writer.println(prefix + "\tLogs for logId: " + eventLog.logId);
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for (EventEntry eventEntry : eventLog.eventEntries) {
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if (eventEntry.mCompoundString.mIsNoOp) {
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continue;
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}
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date.setTime(eventEntry.time);
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StringBuilder msg = new StringBuilder(prefix + "\t\t")
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.append(sdf.format(date))
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.append(eventEntry.mCompoundString);
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if (eventEntry.duplicateCount > 0) {
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msg.append(" & ").append(eventEntry.duplicateCount).append(" similar events");
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}
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writer.println(msg);
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}
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}
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}
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/**
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* Increments and returns the current log ID. This should be used every time a new log trace
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* is started.
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*/
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public int incrementLogId() {
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return mCurrentLogId++;
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}
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public void setIsFullyGesturalNavMode(boolean isFullyGesturalNavMode) {
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mIsFullyGesturalNavMode = isFullyGesturalNavMode;
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}
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/** Returns the current log ID. This should be used when a log trace is being reused. */
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public int getLogId() {
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return mCurrentLogId;
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}
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private boolean isEntrySame(
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EventEntry entry,
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CompoundString compoundString,
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ActiveGestureErrorDetector.GestureEvent gestureEvent) {
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return entry != null
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&& entry.mCompoundString.equals(compoundString)
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&& entry.gestureEvent == gestureEvent;
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}
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/** A single event entry. */
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protected static class EventEntry {
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@NonNull private CompoundString mCompoundString;
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private ActiveGestureErrorDetector.GestureEvent gestureEvent;
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private long time;
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private int duplicateCount;
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private EventEntry() {}
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@Nullable
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protected ActiveGestureErrorDetector.GestureEvent getGestureEvent() {
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return gestureEvent;
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}
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public int getDuplicateCount() {
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return duplicateCount;
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}
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private void update(
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@NonNull CompoundString compoundString,
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ActiveGestureErrorDetector.GestureEvent gestureEvent) {
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this.mCompoundString = compoundString;
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this.gestureEvent = gestureEvent;
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time = System.currentTimeMillis();
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duplicateCount = 0;
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}
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public long getTime() {
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return time;
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}
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}
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/** An entire log of entries associated with a single log ID */
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protected static class EventLog {
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protected final List<EventEntry> eventEntries =
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Collections.synchronizedList(new ArrayList<>());
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protected final int logId;
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protected final boolean mIsFullyGesturalNavMode;
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private EventLog(int logId, boolean isFullyGesturalNavMode) {
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this.logId = logId;
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mIsFullyGesturalNavMode = isFullyGesturalNavMode;
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}
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}
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/** A buildable string stored as an array for memory efficiency. */
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public static class CompoundString {
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public static final CompoundString NO_OP = new CompoundString();
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private final List<String> mSubstrings;
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private final List<Object> mArgs;
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private final boolean mIsNoOp;
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private CompoundString() {
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this(null);
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}
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public CompoundString(String substring) {
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mIsNoOp = substring == null;
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mSubstrings = mIsNoOp ? null : new ArrayList<>();
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mArgs = mIsNoOp ? null : new ArrayList<>();
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if (!mIsNoOp) {
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mSubstrings.add(substring);
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}
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}
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public CompoundString append(CompoundString substring) {
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if (mIsNoOp || substring.mIsNoOp) {
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return this;
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}
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mSubstrings.addAll(substring.mSubstrings);
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mArgs.addAll(substring.mArgs);
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return this;
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}
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public CompoundString append(String substring) {
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if (mIsNoOp) {
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return this;
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}
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mSubstrings.add(substring);
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return this;
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}
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public CompoundString append(int num) {
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if (mIsNoOp) {
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return this;
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}
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mArgs.add(num);
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return append("%d");
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}
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public CompoundString append(long num) {
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if (mIsNoOp) {
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return this;
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}
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mArgs.add(num);
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return append("%d");
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}
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public CompoundString append(float num) {
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if (mIsNoOp) {
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return this;
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}
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mArgs.add(num);
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return append("%.2f");
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}
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public CompoundString append(double num) {
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if (mIsNoOp) {
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return this;
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}
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mArgs.add(num);
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return append("%.2f");
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}
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public CompoundString append(boolean bool) {
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if (mIsNoOp) {
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return this;
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}
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mArgs.add(bool);
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return append("%b");
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}
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private Object[] getArgs() {
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return mArgs.toArray();
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}
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@Override
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public String toString() {
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return String.format(toUnformattedString(), getArgs());
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}
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private String toUnformattedString() {
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StringBuilder sb = new StringBuilder();
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for (String substring : mSubstrings) {
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sb.append(substring);
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}
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return sb.toString();
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}
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@Override
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public int hashCode() {
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return Objects.hash(mIsNoOp, mSubstrings, mArgs);
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}
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@Override
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public boolean equals(Object obj) {
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if (!(obj instanceof CompoundString)) {
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return false;
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}
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CompoundString other = (CompoundString) obj;
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return (mIsNoOp == other.mIsNoOp)
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&& Objects.equals(mSubstrings, other.mSubstrings)
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&& Objects.equals(mArgs, other.mArgs);
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}
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}
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}
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