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Code Pull Requests Actions Releases 2 Activity

IntervalsFragment doesn't use TrackDataHub anymore. This improve intervals performance. Fixes #808.

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This commit is contained in:
Román Martínez
2021-06-03 17:16:03 +02:00
parent 4c68592a0c
commit 24e18347a6
12 changed files with 324 additions and 237 deletions
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src/main/java/de/dennisguse/opentracks/viewmodels/IntervalStatisticsModel.java
+83 -43
View File
@@ -1,19 +1,28 @@
package de.dennisguse.opentracks.viewmodels;
import android.app.Application;
import android.content.ContentResolver;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.os.HandlerThread;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.MutableLiveData;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import de.dennisguse.opentracks.content.data.Distance;
import de.dennisguse.opentracks.content.data.Track;
import de.dennisguse.opentracks.content.data.TrackPoint;
import de.dennisguse.opentracks.content.data.TrackPointsColumns;
import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
import de.dennisguse.opentracks.content.provider.TrackPointIterator;
import de.dennisguse.opentracks.util.PreferencesUtils;
import de.dennisguse.opentracks.util.UnitConversions;
/**
* This model is used to load intervals for a track.
@@ -21,65 +30,92 @@ import de.dennisguse.opentracks.util.UnitConversions;
*/
public class IntervalStatisticsModel extends AndroidViewModel {
private final List<TrackPoint> trackPoints = new ArrayList<>();
private static final String TAG = IntervalStatisticsModel.class.getSimpleName();
private MutableLiveData<List<IntervalStatistics.Interval>> intervalsLiveData;
private IntervalStatistics intervalStatistics;
private Distance distanceInterval;
private Distance minGPSDistance;
private final Distance minGPSDistance;
private final ContentResolver contentResolver;
private ContentObserver trackPointsTableObserver;
private TrackPoint.Id lastTrackPointId;
private final Executor executor = Executors.newSingleThreadExecutor();
private HandlerThread handlerThread;
private Handler handler;
public IntervalStatisticsModel(@NonNull Application application) {
super(application);
minGPSDistance = PreferencesUtils.getRecordingDistanceInterval(PreferencesUtils.getSharedPreferences(application), application);
contentResolver = getApplication().getContentResolver();
handlerThread = new HandlerThread(TAG);
handlerThread.start();
handler = new Handler(handlerThread.getLooper());
}
public MutableLiveData<List<IntervalStatistics.Interval>> getIntervalStats(boolean metricUnits, @Nullable IntervalOption interval) {
synchronized (trackPoints) {
if (intervalsLiveData == null) {
if (interval == null) {
interval = IntervalOption.OPTION_1;
}
intervalsLiveData = new MutableLiveData<>();
distanceInterval = interval.getDistance(metricUnits);
loadIntervalStatistics();
}
return intervalsLiveData;
@Override
protected void onCleared() {
super.onCleared();
if (trackPointsTableObserver != null) {
contentResolver.unregisterContentObserver(trackPointsTableObserver);
trackPointsTableObserver = null;
}
}
private void loadIntervalStatistics() {
IntervalStatistics intervalStatistics = new IntervalStatistics(trackPoints, distanceInterval, minGPSDistance);
intervalsLiveData.postValue(intervalStatistics.getIntervalList());
}
public void add(TrackPoint trackPoint) {
synchronized (trackPoints) {
trackPoints.add(trackPoint);
if (handlerThread != null) {
handlerThread.getLooper().quit();
handlerThread = null;
}
handler = null;
}
public void onNewTrackPoints() {
synchronized (trackPoints) {
if (intervalsLiveData != null) {
loadIntervalStatistics();
}
}
}
public void clear() {
synchronized (trackPoints) {
trackPoints.clear();
}
}
public void upload(boolean metricUnits, @Nullable IntervalOption interval) {
synchronized (trackPoints) {
public MutableLiveData<List<IntervalStatistics.Interval>> getIntervalStats(Track.Id trackId, boolean metricUnits, @Nullable IntervalOption interval) {
if (intervalsLiveData == null) {
if (interval == null) {
interval = IntervalOption.OPTION_1;
}
intervalsLiveData = new MutableLiveData<>();
distanceInterval = interval.getDistance(metricUnits);
loadIntervalStatistics();
intervalStatistics = new IntervalStatistics(distanceInterval, minGPSDistance);
loadIntervalStatistics(trackId);
}
trackPointsTableObserver = new ContentObserver(handler) {
@Override
public void onChange(boolean selfChange, Uri uri) {
loadIntervalStatistics(trackId);
}
};
contentResolver.registerContentObserver(TrackPointsColumns.CONTENT_URI_BY_TRACKID, false, trackPointsTableObserver);
return intervalsLiveData;
}
private void loadIntervalStatistics(Track.Id trackId) {
executor.execute(() -> {
ContentProviderUtils contentProviderUtils = new ContentProviderUtils(getApplication());
try (TrackPointIterator trackPointIterator = contentProviderUtils.getTrackPointLocationIterator(trackId, lastTrackPointId)) {
lastTrackPointId = intervalStatistics.addTrackPoints(trackPointIterator);
intervalsLiveData.postValue(intervalStatistics.getIntervalList());
}
});
}
public void onPause() {
if (trackPointsTableObserver != null) {
contentResolver.unregisterContentObserver(trackPointsTableObserver);
}
}
public void update(Track.Id trackId, boolean metricUnits, @Nullable IntervalOption interval) {
if (interval == null) {
interval = IntervalOption.OPTION_1;
}
lastTrackPointId = null;
distanceInterval = interval.getDistance(metricUnits);
intervalStatistics = new IntervalStatistics(distanceInterval, minGPSDistance);
loadIntervalStatistics(trackId);
}
/**
@@ -107,6 +143,10 @@ public class IntervalStatisticsModel extends AndroidViewModel {
.multipliedBy(multiplier);
}
public boolean sameMultiplier(IntervalOption intervalOption) {
return intervalOption != null && this.multiplier == intervalOption.multiplier;
}
@Override
public String toString() {
return "" + multiplier; //TODO Somehow IntervalsFragment relies on a parsable Integer.