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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/BatteryInfoChartFragment.java
2024-01-10 19:01:48 +01:00

293 lines
11 KiB
Java

/* Copyright (C) 2021-2024 José Rebelo, Petr Vaněk
This file is part of Gadgetbridge.
Gadgetbridge is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gadgetbridge is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.activities;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.core.content.ContextCompat;
import com.github.mikephil.charting.charts.LineChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.MarkerView;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.ChartData;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;
import com.github.mikephil.charting.formatter.ValueFormatter;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.utils.MPPointF;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
import de.greenrobot.dao.query.QueryBuilder;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.activities.charts.DefaultChartsData;
import nodomain.freeyourgadget.gadgetbridge.activities.charts.TimestampTranslation;
import nodomain.freeyourgadget.gadgetbridge.database.DBAccess;
import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
import nodomain.freeyourgadget.gadgetbridge.entities.BatteryLevel;
import nodomain.freeyourgadget.gadgetbridge.entities.BatteryLevelDao;
import nodomain.freeyourgadget.gadgetbridge.entities.Device;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
public class BatteryInfoChartFragment extends AbstractGBFragment {
private static final Logger LOG = LoggerFactory.getLogger(BatteryInfoChartFragment.class);
protected int BACKGROUND_COLOR;
protected int DESCRIPTION_COLOR;
protected int CHART_TEXT_COLOR;
protected int LEGEND_TEXT_COLOR;
protected String BATTERY_LABEL;
private LineChart mChart;
private int startTime;
private int endTime;
private GBDevice gbDevice;
private int batteryIndex;
public void setDateAndGetData(GBDevice gbDevice, int batteryIndex, long startTime, long endTime) {
this.startTime = (int) startTime;
this.endTime = (int) endTime;
this.gbDevice = gbDevice;
this.batteryIndex = batteryIndex;
try {
createRefreshTask("Visualizing data", getActivity()).execute();
} catch (Exception e) {
LOG.debug("Unable to fill charts data right now:", e);
}
}
protected RefreshTask createRefreshTask(String task, Context context) {
return new RefreshTask(task, context);
}
private DefaultBatteryChartsData fill_dcd(List<? extends BatteryLevel> samples) {
TimestampTranslation tsTranslation = new TimestampTranslation();
List<Entry> entries = new ArrayList<Entry>();
int firstTs = 0;
for (BatteryLevel sample : samples) {
entries.add(new Entry(tsTranslation.shorten(sample.getTimestamp()), sample.getLevel()));
if (firstTs == 0) {
firstTs = sample.getTimestamp();
}
}
LineDataSet dataSet = new LineDataSet(entries, BATTERY_LABEL);
dataSet.setLineWidth(2.2f);
dataSet.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
dataSet.setCubicIntensity(0.1f);
dataSet.setDrawCircles(false);
dataSet.setCircleRadius(2f);
dataSet.setDrawValues(true);
dataSet.setValueTextColor(CHART_TEXT_COLOR);
dataSet.setHighlightEnabled(true);
dataSet.setHighlightEnabled(true);
LineData lineData = new LineData(dataSet);
return new DefaultBatteryChartsData(lineData, new customFormatter(tsTranslation), firstTs);
}
private void init() {
BACKGROUND_COLOR = GBApplication.getBackgroundColor(getContext());
LEGEND_TEXT_COLOR = DESCRIPTION_COLOR = GBApplication.getTextColor(getContext());
CHART_TEXT_COLOR = GBApplication.getSecondaryTextColor(getContext());
BATTERY_LABEL = getString(R.string.battery_level);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
init();
View rootView = inflater.inflate(R.layout.fragment_charts, container, false);
mChart = rootView.findViewById(R.id.activitysleepchart);
if (this.gbDevice != null) {
setupChart();
createRefreshTask("Visualizing data", getActivity()).execute();
}
return rootView;
}
@Override
public String getTitle() {
return "";
}
private void setupChart() {
LEGEND_TEXT_COLOR = GBApplication.getTextColor(getContext());
mChart.getLegend().setTextColor(LEGEND_TEXT_COLOR);
mChart.setBackgroundColor(BACKGROUND_COLOR);
mChart.getDescription().setTextColor(DESCRIPTION_COLOR);
mChart.setTouchEnabled(true);
mChart.getLegend().setHorizontalAlignment(Legend.LegendHorizontalAlignment.CENTER);
mChart.getDescription().setEnabled(false);
XAxis x = mChart.getXAxis();
x.setDrawLabels(true);
x.setDrawGridLines(false);
x.setEnabled(true);
mChart.getXAxis().setSpaceMin(0.5f);
x.setLabelCount(3);
x.setTextColor(CHART_TEXT_COLOR);
YAxis yAxisLeft = mChart.getAxisLeft();
yAxisLeft.setAxisMaximum(100L);
yAxisLeft.setAxisMinimum(0);
yAxisLeft.setEnabled(true);
yAxisLeft.setTextColor(CHART_TEXT_COLOR);
YAxis yAxisRight = mChart.getAxisRight();
yAxisRight.setAxisMaximum(100L);
yAxisRight.setAxisMinimum(0);
yAxisRight.setEnabled(true);
yAxisRight.setTextColor(CHART_TEXT_COLOR);
}
private List<? extends BatteryLevel> getBatteryLevels(DBHandler db, GBDevice device, int batteryIndex, int tsFrom, int tsTo) {
BatteryLevelDao batteryLevelDao = db.getDaoSession().getBatteryLevelDao();
Device dbDevice = DBHelper.findDevice(device, db.getDaoSession());
QueryBuilder<BatteryLevel> qb = batteryLevelDao.queryBuilder();
qb.where(BatteryLevelDao.Properties.DeviceId.eq(dbDevice.getId())).orderAsc(BatteryLevelDao.Properties.Timestamp);
qb.where(BatteryLevelDao.Properties.BatteryIndex.eq(batteryIndex));
qb.where(BatteryLevelDao.Properties.Timestamp.gt(tsFrom));
qb.where(BatteryLevelDao.Properties.Timestamp.lt(tsTo));
List<BatteryLevel> levels = new ArrayList<>();
levels.addAll(qb.build().list());
return levels;
}
protected static class customFormatter extends ValueFormatter {
private final TimestampTranslation tsTranslation;
SimpleDateFormat annotationDateFormat = new SimpleDateFormat("dd.MM HH:mm");
Calendar cal = GregorianCalendar.getInstance();
public customFormatter(TimestampTranslation tsTranslation) {
this.tsTranslation = tsTranslation;
}
@Override
public String getFormattedValue(float value) {
cal.clear();
int ts = (int) value;
cal.setTimeInMillis(tsTranslation.toOriginalValue(ts) * 1000L);
Date date = cal.getTime();
return annotationDateFormat.format(date);
}
}
public class RefreshTask extends DBAccess {
public RefreshTask(String task, Context context) {
super(task, context);
}
@Override
protected void doInBackground(DBHandler handler) {
List<? extends BatteryLevel> samples = getBatteryLevels(handler, gbDevice, batteryIndex, startTime, endTime);
DefaultBatteryChartsData dcd = null;
try {
dcd = fill_dcd(samples);
} catch (Exception e) {
LOG.debug("Unable to get charts data right now:", e);
}
if (dcd != null && mChart != null) {
mChart.setTouchEnabled(true);
mChart.setMarker(new batteryValuesAndDateMarker(getContext(), R.layout.custom_chart_marker, dcd.firstTs));
mChart.getXAxis().setValueFormatter(dcd.getXValueFormatter());
mChart.setData((LineData) dcd.getData());
}
}
@Override
protected void onPostExecute(Object o) {
mChart.invalidate();
}
}
private class DefaultBatteryChartsData extends DefaultChartsData {
public int firstTs;
public DefaultBatteryChartsData(ChartData data, ValueFormatter xValueFormatter, int ts) {
super(data, xValueFormatter);
firstTs = ts;
}
}
public class batteryValuesAndDateMarker extends MarkerView {
customFormatter formatter;
private TextView top_text;
private TextView bottom_text;
private MPPointF mOffset;
private int firstTs;
public batteryValuesAndDateMarker(Context context, int layoutResource, int ts) {
super(context, layoutResource);
TimestampTranslation tsTranslation = new TimestampTranslation();
formatter = new customFormatter(tsTranslation);
top_text = (TextView) findViewById(R.id.chart_marker_item_top);
bottom_text = (TextView) findViewById(R.id.chart_marker_item_bottom);
firstTs = ts;
}
// callbacks everytime the MarkerView is redrawn, can be used to update the
// content (user-interface)
@Override
public void refreshContent(Entry e, Highlight highlight) {
top_text.setText(String.format("%1s%%", (int) e.getY()));
bottom_text.setText(formatter.getFormattedValue(e.getX() + firstTs));
// this will perform necessary layouting
super.refreshContent(e, highlight);
}
@Override
public MPPointF getOffset() {
if (mOffset == null) {
// center the marker horizontally and vertically
mOffset = new MPPointF(-(getWidth() / 2) + 20, -getHeight() - 10);
}
return mOffset;
}
}
}