290 lines
12 KiB
Java
290 lines
12 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. 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 distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package com.android.settingslib;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.res.Resources;
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import android.os.AsyncTask;
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import android.os.BatteryManager;
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import android.os.BatteryStats;
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import android.os.BatteryStats.HistoryItem;
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import android.os.Bundle;
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import android.os.SystemClock;
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import android.text.format.Formatter;
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import android.util.SparseIntArray;
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import com.android.internal.os.BatteryStatsHelper;
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import com.android.settingslib.graph.UsageView;
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public class BatteryInfo {
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public String mChargeLabelString;
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public int mBatteryLevel;
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public boolean mDischarging = true;
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public long remainingTimeUs = 0;
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public String batteryPercentString;
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public String remainingLabel;
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private BatteryStats mStats;
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private boolean mCharging;
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private long timePeriod;
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public interface Callback {
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void onBatteryInfoLoaded(BatteryInfo info);
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}
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public void bindHistory(final UsageView view, BatteryDataParser... parsers) {
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BatteryDataParser parser = new BatteryDataParser() {
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SparseIntArray points = new SparseIntArray();
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@Override
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public void onParsingStarted(long startTime, long endTime) {
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timePeriod = endTime - startTime - remainingTimeUs / 1000;
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view.clearPaths();
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view.configureGraph((int) (endTime - startTime), 100, remainingTimeUs != 0,
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mCharging);
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}
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@Override
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public void onDataPoint(long time, HistoryItem record) {
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points.put((int) time, record.batteryLevel);
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}
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@Override
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public void onDataGap() {
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if (points.size() > 1) {
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view.addPath(points);
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}
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points.clear();
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}
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@Override
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public void onParsingDone() {
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if (points.size() > 1) {
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view.addPath(points);
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}
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}
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};
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BatteryDataParser[] parserList = new BatteryDataParser[parsers.length + 1];
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for (int i = 0; i < parsers.length; i++) {
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parserList[i] = parsers[i];
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}
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parserList[parsers.length] = parser;
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parse(mStats, remainingTimeUs, parserList);
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final Context context = view.getContext();
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String timeString = context.getString(R.string.charge_length_format,
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Formatter.formatShortElapsedTime(context, timePeriod));
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String remaining = "";
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if (remainingTimeUs != 0) {
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remaining = context.getString(R.string.remaining_length_format,
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Formatter.formatShortElapsedTime(context, remainingTimeUs / 1000));
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}
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view.setBottomLabels(new CharSequence[]{timeString, remaining});
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}
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public static void getBatteryInfo(final Context context, final Callback callback) {
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new AsyncTask<Void, Void, BatteryStats>() {
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@Override
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protected BatteryStats doInBackground(Void... params) {
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BatteryStatsHelper statsHelper = new BatteryStatsHelper(context, true);
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statsHelper.create((Bundle) null);
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return statsHelper.getStats();
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}
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@Override
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protected void onPostExecute(BatteryStats batteryStats) {
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final long elapsedRealtimeUs = SystemClock.elapsedRealtime() * 1000;
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Intent batteryBroadcast = context.registerReceiver(null,
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new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
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BatteryInfo batteryInfo = BatteryInfo.getBatteryInfo(context,
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batteryBroadcast, batteryStats, elapsedRealtimeUs);
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callback.onBatteryInfoLoaded(batteryInfo);
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}
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}.execute();
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}
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public static BatteryInfo getBatteryInfo(Context context, Intent batteryBroadcast,
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BatteryStats stats, long elapsedRealtimeUs) {
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BatteryInfo info = new BatteryInfo();
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info.mStats = stats;
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info.mBatteryLevel = Utils.getBatteryLevel(batteryBroadcast);
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info.batteryPercentString = Utils.formatPercentage(info.mBatteryLevel);
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info.mCharging = batteryBroadcast.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0;
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final Resources resources = context.getResources();
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if (!info.mCharging) {
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final long drainTime = stats.computeBatteryTimeRemaining(elapsedRealtimeUs);
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if (drainTime > 0) {
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info.remainingTimeUs = drainTime;
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String timeString = Formatter.formatShortElapsedTime(context,
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drainTime / 1000);
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info.remainingLabel = resources.getString(R.string.power_remaining_duration_only,
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timeString);
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info.mChargeLabelString = resources.getString(R.string.power_discharging_duration,
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info.batteryPercentString, timeString);
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} else {
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info.remainingLabel = null;
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info.mChargeLabelString = info.batteryPercentString;
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}
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} else {
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final long chargeTime = stats.computeChargeTimeRemaining(elapsedRealtimeUs);
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final String statusLabel = Utils.getBatteryStatus(
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resources, batteryBroadcast);
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final int status = batteryBroadcast.getIntExtra(BatteryManager.EXTRA_STATUS,
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BatteryManager.BATTERY_STATUS_UNKNOWN);
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if (chargeTime > 0 && status != BatteryManager.BATTERY_STATUS_FULL) {
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info.mDischarging = false;
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info.remainingTimeUs = chargeTime;
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String timeString = Formatter.formatShortElapsedTime(context,
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chargeTime / 1000);
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int plugType = batteryBroadcast.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0);
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int resId;
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if (plugType == BatteryManager.BATTERY_PLUGGED_AC) {
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resId = R.string.power_charging_duration_ac;
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} else if (plugType == BatteryManager.BATTERY_PLUGGED_USB) {
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resId = R.string.power_charging_duration_usb;
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} else if (plugType == BatteryManager.BATTERY_PLUGGED_WIRELESS) {
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resId = R.string.power_charging_duration_wireless;
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} else {
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resId = R.string.power_charging_duration;
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}
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info.remainingLabel = resources.getString(R.string.power_remaining_duration_only,
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timeString);
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info.mChargeLabelString = resources.getString(
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resId, info.batteryPercentString, timeString);
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} else {
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info.remainingLabel = statusLabel;
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info.mChargeLabelString = resources.getString(
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R.string.power_charging, info.batteryPercentString, statusLabel);
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}
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}
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return info;
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}
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public interface BatteryDataParser {
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void onParsingStarted(long startTime, long endTime);
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void onDataPoint(long time, HistoryItem record);
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void onDataGap();
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void onParsingDone();
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}
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private static void parse(BatteryStats stats, long remainingTimeUs,
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BatteryDataParser... parsers) {
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long startWalltime = 0;
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long endDateWalltime = 0;
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long endWalltime = 0;
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long historyStart = 0;
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long historyEnd = 0;
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byte lastLevel = -1;
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long curWalltime = startWalltime;
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long lastWallTime = 0;
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long lastRealtime = 0;
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int lastInteresting = 0;
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int pos = 0;
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boolean first = true;
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if (stats.startIteratingHistoryLocked()) {
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final HistoryItem rec = new HistoryItem();
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while (stats.getNextHistoryLocked(rec)) {
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pos++;
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if (first) {
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first = false;
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historyStart = rec.time;
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}
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if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
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|| rec.cmd == HistoryItem.CMD_RESET) {
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// If there is a ridiculously large jump in time, then we won't be
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// able to create a good chart with that data, so just ignore the
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// times we got before and pretend like our data extends back from
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// the time we have now.
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// Also, if we are getting a time change and we are less than 5 minutes
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// since the start of the history real time, then also use this new
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// time to compute the base time, since whatever time we had before is
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// pretty much just noise.
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if (rec.currentTime > (lastWallTime + (180 * 24 * 60 * 60 * 1000L))
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|| rec.time < (historyStart + (5 * 60 * 1000L))) {
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startWalltime = 0;
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}
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lastWallTime = rec.currentTime;
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lastRealtime = rec.time;
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if (startWalltime == 0) {
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startWalltime = lastWallTime - (lastRealtime - historyStart);
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}
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}
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if (rec.isDeltaData()) {
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if (rec.batteryLevel != lastLevel || pos == 1) {
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lastLevel = rec.batteryLevel;
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}
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lastInteresting = pos;
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historyEnd = rec.time;
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}
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}
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}
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stats.finishIteratingHistoryLocked();
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endDateWalltime = lastWallTime + historyEnd - lastRealtime;
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endWalltime = endDateWalltime + (remainingTimeUs / 1000);
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int i = 0;
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final int N = lastInteresting;
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for (int j = 0; j < parsers.length; j++) {
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parsers[j].onParsingStarted(startWalltime, endWalltime);
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}
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if (endDateWalltime > startWalltime && stats.startIteratingHistoryLocked()) {
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final HistoryItem rec = new HistoryItem();
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while (stats.getNextHistoryLocked(rec) && i < N) {
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if (rec.isDeltaData()) {
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curWalltime += rec.time - lastRealtime;
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lastRealtime = rec.time;
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long x = (curWalltime - startWalltime);
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if (x < 0) {
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x = 0;
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}
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for (int j = 0; j < parsers.length; j++) {
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parsers[j].onDataPoint(x, rec);
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}
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} else {
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long lastWalltime = curWalltime;
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if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
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|| rec.cmd == HistoryItem.CMD_RESET) {
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if (rec.currentTime >= startWalltime) {
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curWalltime = rec.currentTime;
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} else {
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curWalltime = startWalltime + (rec.time - historyStart);
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}
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lastRealtime = rec.time;
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}
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if (rec.cmd != HistoryItem.CMD_OVERFLOW
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&& (rec.cmd != HistoryItem.CMD_CURRENT_TIME
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|| Math.abs(lastWalltime - curWalltime) > (60 * 60 * 1000))) {
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for (int j = 0; j < parsers.length; j++) {
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parsers[j].onDataGap();
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}
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}
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}
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i++;
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}
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}
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stats.finishIteratingHistoryLocked();
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for (int j = 0; j < parsers.length; j++) {
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parsers[j].onParsingDone();
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}
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}
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}
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