Support changes in Settings for battery graph (e6324f5e) · Commits · e / os / android_frameworks_base

packages/SettingsLib/src/com/android/settingslib/BatteryInfo.java

+150 −97

Original line number	Diff line number	Diff line
		@@ -39,121 +39,59 @@ public class BatteryInfo {
		public String remainingLabel;
		private BatteryStats mStats;
		private boolean mCharging;
		private long timePeriod;

		public interface Callback {
		void onBatteryInfoLoaded(BatteryInfo info);
		}

		public void bindHistory(UsageView view) {
		long startWalltime = 0;
		long endDateWalltime = 0;
		long endWalltime = 0;
		long historyStart = 0;
		long historyEnd = 0;
		byte lastLevel = -1;
		long curWalltime = startWalltime;
		long lastWallTime = 0;
		long lastRealtime = 0;
		int lastInteresting = 0;
		int pos = 0;
		boolean first = true;
		if (mStats.startIteratingHistoryLocked()) {
		final HistoryItem rec = new HistoryItem();
		while (mStats.getNextHistoryLocked(rec)) {
		pos++;
		if (first) {
		first = false;
		historyStart = rec.time;
		}
		if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
		\|\| rec.cmd == HistoryItem.CMD_RESET) {
		// If there is a ridiculously large jump in time, then we won't be
		// able to create a good chart with that data, so just ignore the
		// times we got before and pretend like our data extends back from
		// the time we have now.
		// Also, if we are getting a time change and we are less than 5 minutes
		// since the start of the history real time, then also use this new
		// time to compute the base time, since whatever time we had before is
		// pretty much just noise.
		if (rec.currentTime > (lastWallTime+(1802460601000L))
		\|\| rec.time < (historyStart+(5601000L))) {
		startWalltime = 0;
		}
		lastWallTime = rec.currentTime;
		lastRealtime = rec.time;
		if (startWalltime == 0) {
		startWalltime = lastWallTime - (lastRealtime-historyStart);
		}
		}
		if (rec.isDeltaData()) {
		if (rec.batteryLevel != lastLevel \|\| pos == 1) {
		lastLevel = rec.batteryLevel;
		}
		lastInteresting = pos;
		historyEnd = rec.time;
		}
		}
		}
		mStats.finishIteratingHistoryLocked();
		endDateWalltime = lastWallTime + historyEnd - lastRealtime;
		endWalltime = endDateWalltime + (remainingTimeUs / 1000);

		int i = 0;
		final int N = lastInteresting;
		public void bindHistory(final UsageView view, BatteryDataParser... parsers) {
		BatteryDataParser parser = new BatteryDataParser() {
		SparseIntArray points = new SparseIntArray();

		@Override
		public void onParsingStarted(long startTime, long endTime) {
		timePeriod = endTime - startTime - remainingTimeUs / 1000;
		view.clearPaths();
		view.configureGraph((int) (endWalltime - startWalltime), 100, remainingTimeUs != 0,
		view.configureGraph((int) (endTime - startTime), 100, remainingTimeUs != 0,
		mCharging);
		if (endDateWalltime > startWalltime && mStats.startIteratingHistoryLocked()) {
		final HistoryItem rec = new HistoryItem();
		while (mStats.getNextHistoryLocked(rec) && i < N) {
		if (rec.isDeltaData()) {
		curWalltime += rec.time - lastRealtime;
		lastRealtime = rec.time;
		long x = (curWalltime - startWalltime);
		if (x < 0) {
		x = 0;
		}
		points.put((int) x, rec.batteryLevel);
		} else {
		long lastWalltime = curWalltime;
		if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
		\|\| rec.cmd == HistoryItem.CMD_RESET) {
		if (rec.currentTime >= startWalltime) {
		curWalltime = rec.currentTime;
		} else {
		curWalltime = startWalltime + (rec.time - historyStart);
		}
		lastRealtime = rec.time;

		@Override
		public void onDataPoint(long time, HistoryItem record) {
		points.put((int) time, record.batteryLevel);
		}

		if (rec.cmd != HistoryItem.CMD_OVERFLOW
		&& (rec.cmd != HistoryItem.CMD_CURRENT_TIME
		\|\| Math.abs(lastWalltime-curWalltime) > (60601000))) {
		@Override
		public void onDataGap() {
		if (points.size() > 1) {
		view.addPath(points);
		}
		points.clear();
		}
		}
		i++;
		}
		}

		@Override
		public void onParsingDone() {
		if (points.size() > 1) {
		view.addPath(points);
		}
		long timePast = endDateWalltime - startWalltime;
		}
		};
		BatteryDataParser[] parserList = new BatteryDataParser[parsers.length + 1];
		for (int i = 0; i < parsers.length; i++) {
		parserList[i] = parsers[i];
		}
		parserList[parsers.length] = parser;
		parse(mStats, remainingTimeUs, parserList);
		final Context context = view.getContext();
		String timeString = context.getString(R.string.charge_length_format,
		Formatter.formatShortElapsedTime(context, timePast));
		Formatter.formatShortElapsedTime(context, timePeriod));
		String remaining = "";
		if (remainingTimeUs != 0) {
		remaining = context.getString(R.string.remaining_length_format,
		Formatter.formatShortElapsedTime(context, remainingTimeUs / 1000));
		}
		view.setBottomLabels(new CharSequence[]{timeString, remaining});

		mStats.finishIteratingHistoryLocked();
		}

		public static void getBatteryInfo(final Context context, final Callback callback) {
		@@ -233,4 +171,119 @@ public class BatteryInfo {
		}
		return info;
		}

		public interface BatteryDataParser {
		void onParsingStarted(long startTime, long endTime);

		void onDataPoint(long time, HistoryItem record);

		void onDataGap();

		void onParsingDone();
		}

		private static void parse(BatteryStats stats, long remainingTimeUs,
		BatteryDataParser... parsers) {
		long startWalltime = 0;
		long endDateWalltime = 0;
		long endWalltime = 0;
		long historyStart = 0;
		long historyEnd = 0;
		byte lastLevel = -1;
		long curWalltime = startWalltime;
		long lastWallTime = 0;
		long lastRealtime = 0;
		int lastInteresting = 0;
		int pos = 0;
		boolean first = true;
		if (stats.startIteratingHistoryLocked()) {
		final HistoryItem rec = new HistoryItem();
		while (stats.getNextHistoryLocked(rec)) {
		pos++;
		if (first) {
		first = false;
		historyStart = rec.time;
		}
		if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
		\|\| rec.cmd == HistoryItem.CMD_RESET) {
		// If there is a ridiculously large jump in time, then we won't be
		// able to create a good chart with that data, so just ignore the
		// times we got before and pretend like our data extends back from
		// the time we have now.
		// Also, if we are getting a time change and we are less than 5 minutes
		// since the start of the history real time, then also use this new
		// time to compute the base time, since whatever time we had before is
		// pretty much just noise.
		if (rec.currentTime > (lastWallTime + (180 * 24 * 60 * 60 * 1000L))
		\|\| rec.time < (historyStart + (5 * 60 * 1000L))) {
		startWalltime = 0;
		}
		lastWallTime = rec.currentTime;
		lastRealtime = rec.time;
		if (startWalltime == 0) {
		startWalltime = lastWallTime - (lastRealtime - historyStart);
		}
		}
		if (rec.isDeltaData()) {
		if (rec.batteryLevel != lastLevel \|\| pos == 1) {
		lastLevel = rec.batteryLevel;
		}
		lastInteresting = pos;
		historyEnd = rec.time;
		}
		}
		}
		stats.finishIteratingHistoryLocked();
		endDateWalltime = lastWallTime + historyEnd - lastRealtime;
		endWalltime = endDateWalltime + (remainingTimeUs / 1000);

		int i = 0;
		final int N = lastInteresting;

		for (int j = 0; j < parsers.length; j++) {
		parsers[j].onParsingStarted(startWalltime, endWalltime);
		}
		if (endDateWalltime > startWalltime && stats.startIteratingHistoryLocked()) {
		final HistoryItem rec = new HistoryItem();
		while (stats.getNextHistoryLocked(rec) && i < N) {
		if (rec.isDeltaData()) {
		curWalltime += rec.time - lastRealtime;
		lastRealtime = rec.time;
		long x = (curWalltime - startWalltime);
		if (x < 0) {
		x = 0;
		}
		for (int j = 0; j < parsers.length; j++) {
		parsers[j].onDataPoint(x, rec);
		}
		} else {
		long lastWalltime = curWalltime;
		if (rec.cmd == HistoryItem.CMD_CURRENT_TIME
		\|\| rec.cmd == HistoryItem.CMD_RESET) {
		if (rec.currentTime >= startWalltime) {
		curWalltime = rec.currentTime;
		} else {
		curWalltime = startWalltime + (rec.time - historyStart);
		}
		lastRealtime = rec.time;
		}

		if (rec.cmd != HistoryItem.CMD_OVERFLOW
		&& (rec.cmd != HistoryItem.CMD_CURRENT_TIME
		\|\| Math.abs(lastWalltime - curWalltime) > (60 * 60 * 1000))) {
		for (int j = 0; j < parsers.length; j++) {
		parsers[j].onDataGap();
		}
		}
		}
		i++;
		}
		}

		stats.finishIteratingHistoryLocked();

		for (int j = 0; j < parsers.length; j++) {
		parsers[j].onParsingDone();
		}
		}
		}