/* Copyright (C) 2022-2024 halemmerich, José Rebelo, LukasEdl, Martin Boonk
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.externalevents.gps;
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import android.app.PendingIntent;
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import android.content.BroadcastReceiver;
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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 androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.core.app.NotificationCompat;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import nodomain.freeyourgadget.gadgetbridge.BuildConfig;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.util.GB;
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import nodomain.freeyourgadget.gadgetbridge.util.PendingIntentUtils;
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/**
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* A static location manager, which keeps track of what providers are currently running. A notification is kept
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* while there is at least one provider running.
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*/
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public class GBLocationService extends BroadcastReceiver {
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private static final Logger LOG = LoggerFactory.getLogger(GBLocationService.class);
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public static final String ACTION_START = "GBLocationService.START";
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public static final String ACTION_STOP = "GBLocationService.STOP";
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public static final String ACTION_STOP_ALL = "GBLocationService.STOP_ALL";
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public static final String EXTRA_TYPE = "extra_type";
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public static final String EXTRA_INTERVAL = "extra_interval";
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private final Context context;
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private final Map<GBDevice, List<GBLocationProvider>> providersByDevice = new HashMap<>();
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public GBLocationService(final Context context) {
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this.context = context;
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}
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@Override
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public void onReceive(final Context context, final Intent intent) {
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if (intent.getAction() == null) {
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LOG.warn("Action is null");
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return;
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}
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final GBDevice device = intent.getParcelableExtra(GBDevice.EXTRA_DEVICE);
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switch (intent.getAction()) {
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case ACTION_START:
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if (device == null) {
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LOG.error("Device is null for {}", intent.getAction());
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return;
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}
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final GBLocationProviderType providerType = GBLocationProviderType.valueOf(
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intent.hasExtra(EXTRA_TYPE) ? intent.getStringExtra(EXTRA_TYPE) : "GPS"
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);
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final int updateInterval = intent.getIntExtra(EXTRA_INTERVAL, 1000);
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LOG.debug("Starting location provider {} for {}", providerType, device.getAliasOrName());
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if (!providersByDevice.containsKey(device)) {
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providersByDevice.put(device, new ArrayList<>());
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}
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updateNotification();
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final List<GBLocationProvider> existingProviders = providersByDevice.get(device);
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final GBLocationListener locationListener = new GBLocationListener(device);
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final GBLocationProvider locationProvider = providerType.newInstance(context, locationListener);
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locationProvider.start(updateInterval);
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Objects.requireNonNull(existingProviders).add(locationProvider);
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return;
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case ACTION_STOP:
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if (device != null) {
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stopDevice(device);
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updateNotification();
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} else {
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stopAll();
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}
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return;
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case ACTION_STOP_ALL:
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stopAll();
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return;
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default:
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LOG.warn("Unknown action {}", intent.getAction());
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}
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}
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public void stopDevice(final GBDevice device) {
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LOG.debug("Stopping location providers for {}", device.getAliasOrName());
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final List<GBLocationProvider> providers = providersByDevice.remove(device);
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if (providers != null) {
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for (final GBLocationProvider provider : providers) {
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provider.stop();
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}
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}
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}
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public IntentFilter buildFilter() {
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final IntentFilter intentFilter = new IntentFilter();
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intentFilter.addAction(ACTION_START);
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intentFilter.addAction(ACTION_STOP);
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return intentFilter;
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}
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public void stopAll() {
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LOG.info("Stopping location service for all devices");
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final List<GBDevice> gbDevices = new ArrayList<>(providersByDevice.keySet());
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for (GBDevice d : gbDevices) {
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stopDevice(d);
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}
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updateNotification();
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}
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public static void start(final Context context,
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@NonNull final GBDevice device,
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final GBLocationProviderType providerType,
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final int updateInterval) {
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final Intent intent = new Intent(ACTION_START);
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intent.putExtra(GBDevice.EXTRA_DEVICE, device);
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intent.putExtra(EXTRA_TYPE, providerType.name());
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intent.putExtra(EXTRA_INTERVAL, updateInterval);
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LocalBroadcastManager.getInstance(context).sendBroadcast(intent);
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}
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public static void stop(final Context context, @Nullable final GBDevice device) {
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final Intent intent = new Intent(ACTION_STOP);
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intent.putExtra(GBDevice.EXTRA_DEVICE, device);
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LocalBroadcastManager.getInstance(context).sendBroadcast(intent);
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}
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private void updateNotification() {
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if (!providersByDevice.isEmpty()) {
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final Intent notificationIntent = new Intent(context, GBLocationService.class);
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notificationIntent.setPackage(BuildConfig.APPLICATION_ID);
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notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
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final PendingIntent pendingIntent = PendingIntentUtils.getActivity(context, 0, notificationIntent, 0, false);
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final NotificationCompat.Builder nb = new NotificationCompat.Builder(context, GB.NOTIFICATION_CHANNEL_ID_GPS)
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.setTicker(context.getString(R.string.notification_gps_title))
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.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
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.setContentTitle(context.getString(R.string.notification_gps_title))
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.setContentText(context.getString(R.string.notification_gps_text, providersByDevice.size()))
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.setContentIntent(pendingIntent)
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.setSmallIcon(R.drawable.ic_gps_location)
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.setOngoing(true);
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GB.notify(GB.NOTIFICATION_ID_GPS, nb.build(), context);
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} else {
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GB.removeNotification(GB.NOTIFICATION_ID_GPS, context);
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}
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}
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}
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