405 lines
17 KiB
Java
405 lines
17 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.settings.fuelgauge;
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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 androidx.annotation.WorkerThread;
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import com.android.internal.os.BatteryStatsHelper;
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import com.android.settings.Utils;
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import com.android.settings.overlay.FeatureFactory;
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import com.android.settings.widget.UsageView;
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import com.android.settingslib.R;
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import com.android.settingslib.fuelgauge.Estimate;
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import com.android.settingslib.fuelgauge.EstimateKt;
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import com.android.settingslib.utils.PowerUtil;
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import com.android.settingslib.utils.StringUtil;
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public class BatteryInfo {
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public CharSequence chargeLabel;
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public CharSequence remainingLabel;
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public int batteryLevel;
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public boolean discharging = true;
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public long remainingTimeUs = 0;
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public long averageTimeToDischarge = EstimateKt.AVERAGE_TIME_TO_DISCHARGE_UNKNOWN;
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public String batteryPercentString;
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public String statusLabel;
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public String suggestionLabel;
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private boolean mCharging;
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private BatteryStats mStats;
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private static final String LOG_TAG = "BatteryInfo";
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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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final Context context = view.getContext();
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BatteryDataParser parser = new BatteryDataParser() {
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SparseIntArray points = new SparseIntArray();
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long startTime;
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int lastTime = -1;
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byte lastLevel;
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@Override
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public void onParsingStarted(long startTime, long endTime) {
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this.startTime = startTime;
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timePeriod = endTime - startTime;
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view.clearPaths();
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// Initially configure the graph for history only.
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view.configureGraph((int) timePeriod, 100);
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}
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@Override
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public void onDataPoint(long time, HistoryItem record) {
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lastTime = (int) time;
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lastLevel = record.batteryLevel;
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points.put(lastTime, lastLevel);
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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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onDataGap();
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// Add projection if we have an estimate.
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if (remainingTimeUs != 0) {
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PowerUsageFeatureProvider provider = FeatureFactory.getFactory(context)
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.getPowerUsageFeatureProvider(context);
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if (!mCharging && provider.isEnhancedBatteryPredictionEnabled(context)) {
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points = provider.getEnhancedBatteryPredictionCurve(context, startTime);
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} else {
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// Linear extrapolation.
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if (lastTime >= 0) {
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points.put(lastTime, lastLevel);
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points.put((int) (timePeriod +
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PowerUtil.convertUsToMs(remainingTimeUs)),
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mCharging ? 100 : 0);
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}
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}
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}
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// If we have a projection, reconfigure the graph to show it.
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if (points != null && points.size() > 0) {
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int maxTime = points.keyAt(points.size() - 1);
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view.configureGraph(maxTime, 100);
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view.addProjectedPath(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, parserList);
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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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BatteryInfo.getBatteryInfo(context, callback, null /* statsHelper */,
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false /* shortString */);
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}
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public static void getBatteryInfo(final Context context, final Callback callback,
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boolean shortString) {
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BatteryInfo.getBatteryInfo(context, callback, null /* statsHelper */, shortString);
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}
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public static void getBatteryInfo(final Context context, final Callback callback,
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final BatteryStatsHelper statsHelper, boolean shortString) {
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new AsyncTask<Void, Void, BatteryInfo>() {
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@Override
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protected BatteryInfo doInBackground(Void... params) {
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return getBatteryInfo(context, statsHelper, shortString);
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}
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@Override
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protected void onPostExecute(BatteryInfo batteryInfo) {
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final long startTime = System.currentTimeMillis();
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callback.onBatteryInfoLoaded(batteryInfo);
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BatteryUtils.logRuntime(LOG_TAG, "time for callback", startTime);
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}
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}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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}
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public static BatteryInfo getBatteryInfo(final Context context,
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final BatteryStatsHelper statsHelper, boolean shortString) {
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final BatteryStats stats;
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final long batteryStatsTime = System.currentTimeMillis();
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if (statsHelper == null) {
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final BatteryStatsHelper localStatsHelper = new BatteryStatsHelper(context,
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true);
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localStatsHelper.create((Bundle) null);
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stats = localStatsHelper.getStats();
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} else {
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stats = statsHelper.getStats();
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}
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BatteryUtils.logRuntime(LOG_TAG, "time for getStats", batteryStatsTime);
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final long startTime = System.currentTimeMillis();
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PowerUsageFeatureProvider provider =
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FeatureFactory.getFactory(context).getPowerUsageFeatureProvider(context);
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final long elapsedRealtimeUs =
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PowerUtil.convertMsToUs(SystemClock.elapsedRealtime());
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final Intent batteryBroadcast = context.registerReceiver(null,
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new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
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// 0 means we are discharging, anything else means charging
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final boolean discharging =
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batteryBroadcast.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1) == 0;
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if (discharging && provider != null
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&& provider.isEnhancedBatteryPredictionEnabled(context)) {
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Estimate estimate = provider.getEnhancedBatteryPrediction(context);
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if (estimate != null) {
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Estimate.storeCachedEstimate(context, estimate);
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BatteryUtils
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.logRuntime(LOG_TAG, "time for enhanced BatteryInfo", startTime);
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return BatteryInfo.getBatteryInfo(context, batteryBroadcast, stats,
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estimate, elapsedRealtimeUs, shortString);
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}
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}
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final long prediction = discharging
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? stats.computeBatteryTimeRemaining(elapsedRealtimeUs) : 0;
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final Estimate estimate = new Estimate(
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PowerUtil.convertUsToMs(prediction),
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false, /* isBasedOnUsage */
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EstimateKt.AVERAGE_TIME_TO_DISCHARGE_UNKNOWN);
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BatteryUtils.logRuntime(LOG_TAG, "time for regular BatteryInfo", startTime);
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return BatteryInfo.getBatteryInfo(context, batteryBroadcast, stats,
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estimate, elapsedRealtimeUs, shortString);
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}
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@WorkerThread
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public static BatteryInfo getBatteryInfoOld(Context context, Intent batteryBroadcast,
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BatteryStats stats, long elapsedRealtimeUs, boolean shortString) {
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Estimate estimate = new Estimate(
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PowerUtil.convertUsToMs(stats.computeBatteryTimeRemaining(elapsedRealtimeUs)),
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false,
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EstimateKt.AVERAGE_TIME_TO_DISCHARGE_UNKNOWN);
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return getBatteryInfo(context, batteryBroadcast, stats, estimate, elapsedRealtimeUs,
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shortString);
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}
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@WorkerThread
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public static BatteryInfo getBatteryInfo(Context context, Intent batteryBroadcast,
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BatteryStats stats, Estimate estimate, long elapsedRealtimeUs, boolean shortString) {
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final long startTime = System.currentTimeMillis();
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BatteryInfo info = new BatteryInfo();
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info.mStats = stats;
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info.batteryLevel = Utils.getBatteryLevel(batteryBroadcast);
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info.batteryPercentString = Utils.formatPercentage(info.batteryLevel);
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info.mCharging = batteryBroadcast.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0;
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info.averageTimeToDischarge = estimate.getAverageDischargeTime();
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info.statusLabel = Utils.getBatteryStatus(context, batteryBroadcast);
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if (!info.mCharging) {
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updateBatteryInfoDischarging(context, shortString, estimate, info);
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} else {
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updateBatteryInfoCharging(context, batteryBroadcast, stats, elapsedRealtimeUs, info);
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}
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BatteryUtils.logRuntime(LOG_TAG, "time for getBatteryInfo", startTime);
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return info;
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}
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private static void updateBatteryInfoCharging(Context context, Intent batteryBroadcast,
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BatteryStats stats, long elapsedRealtimeUs, BatteryInfo info) {
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final Resources resources = context.getResources();
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final long chargeTime = stats.computeChargeTimeRemaining(elapsedRealtimeUs);
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final int status = batteryBroadcast.getIntExtra(BatteryManager.EXTRA_STATUS,
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BatteryManager.BATTERY_STATUS_UNKNOWN);
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info.discharging = false;
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info.suggestionLabel = null;
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if (chargeTime > 0 && status != BatteryManager.BATTERY_STATUS_FULL) {
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info.remainingTimeUs = chargeTime;
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CharSequence timeString = StringUtil.formatElapsedTime(context,
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PowerUtil.convertUsToMs(info.remainingTimeUs), false /* withSeconds */);
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int resId = R.string.power_charging_duration;
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info.remainingLabel = context.getString(
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R.string.power_remaining_charging_duration_only, timeString);
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info.chargeLabel = context.getString(resId, info.batteryPercentString, timeString);
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} else {
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final String chargeStatusLabel = Utils.getBatteryStatus(context, batteryBroadcast);
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info.remainingLabel = null;
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info.chargeLabel = info.batteryLevel == 100 ? info.batteryPercentString :
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resources.getString(R.string.power_charging, info.batteryPercentString,
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chargeStatusLabel.toLowerCase());
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}
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}
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private static void updateBatteryInfoDischarging(Context context, boolean shortString,
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Estimate estimate, BatteryInfo info) {
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final long drainTimeUs = PowerUtil.convertMsToUs(estimate.getEstimateMillis());
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if (drainTimeUs > 0) {
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info.remainingTimeUs = drainTimeUs;
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info.remainingLabel = PowerUtil.getBatteryRemainingStringFormatted(
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context,
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PowerUtil.convertUsToMs(drainTimeUs),
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null /* percentageString */,
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estimate.isBasedOnUsage() && !shortString
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);
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info.chargeLabel = PowerUtil.getBatteryRemainingStringFormatted(
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context,
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PowerUtil.convertUsToMs(drainTimeUs),
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info.batteryPercentString,
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estimate.isBasedOnUsage() && !shortString
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);
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info.suggestionLabel = PowerUtil.getBatteryTipStringFormatted(
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context, PowerUtil.convertUsToMs(drainTimeUs));
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} else {
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info.remainingLabel = null;
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info.suggestionLabel = null;
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info.chargeLabel = info.batteryPercentString;
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}
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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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public static void parse(BatteryStats stats, BatteryDataParser... parsers) {
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long startWalltime = 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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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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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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endWalltime = lastWallTime + historyEnd - lastRealtime;
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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 (endWalltime > 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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