/* Copyright (C) 2017-2024 Carsten Pfeiffer, Daniele Gobbetti, José Rebelo
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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;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.PackageManager.NameNotFoundException;
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import android.database.ContentObserver;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Handler;
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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.Arrays;
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import java.util.Collections;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.model.Weather;
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import nodomain.freeyourgadget.gadgetbridge.model.WeatherSpec;
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public class OmniJawsObserver extends ContentObserver {
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private static final Logger LOG = LoggerFactory.getLogger(OmniJawsObserver.class);
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private static final String SERVICE_PACKAGE = "org.omnirom.omnijaws";
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public static final Uri WEATHER_URI = Uri.parse("content://org.omnirom.omnijaws.provider/weather");
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private static final Uri SETTINGS_URI = Uri.parse("content://org.omnirom.omnijaws.provider/settings");
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private Context mContext;
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private boolean mInstalled;
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private boolean mEnabled = false;
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private boolean mMetric = true;
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private final String[] WEATHER_PROJECTION = new String[]{
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"city",
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"condition", //unused, see below
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"condition_code",
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"temperature",
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"humidity",
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"forecast_low",
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"forecast_high",
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"forecast_condition",
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"forecast_condition_code",
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"time_stamp",
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"forecast_date",
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"wind_speed",
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"wind_direction"
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};
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private final String[] SETTINGS_PROJECTION = new String[]{
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"enabled",
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"units"
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};
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public OmniJawsObserver(Handler handler) throws NameNotFoundException {
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super(handler);
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mContext = GBApplication.getContext();
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mInstalled = isOmniJawsServiceAvailable();
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LOG.info("OmniJaws installation status: " + mInstalled);
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checkSettings();
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LOG.info("OmniJaws is enabled: " + mEnabled);
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if (!mEnabled) {
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throw new NameNotFoundException();
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}
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updateWeather();
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}
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@Override
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public void onChange(boolean selfChange) {
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super.onChange(selfChange);
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LOG.info("Weather update received");
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checkSettings();
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if (!mEnabled) {
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LOG.info("Provider was disabled, ignoring.");
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return;
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}
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queryWeather();
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}
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private void queryWeather() {
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Cursor c = mContext.getContentResolver().query(WEATHER_URI, WEATHER_PROJECTION, null, null, null);
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if (c != null) {
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try {
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WeatherSpec weatherSpec = new WeatherSpec();
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weatherSpec.forecasts = new ArrayList<>();
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int count = c.getCount();
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if (count > 0) {
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for (int i = 0; i < count; i++) {
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c.moveToPosition(i);
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if (i == 0) {
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weatherSpec.location = c.getString(0);
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weatherSpec.currentConditionCode = Weather.mapToOpenWeatherMapCondition(c.getInt(2));
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weatherSpec.currentCondition = Weather.getConditionString(weatherSpec.currentConditionCode);
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//alternatively the following would also be possible
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//weatherSpec.currentCondition = c.getString(1);
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weatherSpec.currentTemp = toKelvin(c.getFloat(3));
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weatherSpec.currentHumidity = (int) c.getFloat(4);
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weatherSpec.windSpeed = toKmh(c.getFloat(11));
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weatherSpec.windDirection = c.getInt(12);
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weatherSpec.timestamp = (int) (Long.parseLong(c.getString(9)) / 1000);
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} else if (i == 1) {
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weatherSpec.todayMinTemp = toKelvin(c.getFloat(5));
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weatherSpec.todayMaxTemp = toKelvin(c.getFloat(6));
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} else {
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WeatherSpec.Daily gbForecast = new WeatherSpec.Daily();
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gbForecast.minTemp = toKelvin(c.getFloat(5));
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gbForecast.maxTemp = toKelvin(c.getFloat(6));
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gbForecast.conditionCode = Weather.mapToOpenWeatherMapCondition(c.getInt(8));
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weatherSpec.forecasts.add(gbForecast);
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}
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}
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}
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ArrayList<WeatherSpec> weatherSpecs = new ArrayList<>(Collections.singletonList(weatherSpec));
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Weather.getInstance().setWeatherSpec(weatherSpecs);
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GBApplication.deviceService().onSendWeather(weatherSpecs);
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} finally {
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c.close();
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}
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}
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}
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private void updateWeather() {
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Intent updateIntent = new Intent(Intent.ACTION_MAIN)
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.setClassName(SERVICE_PACKAGE, SERVICE_PACKAGE + ".WeatherService");
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updateIntent.setAction(SERVICE_PACKAGE + ".ACTION_UPDATE");
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mContext.startService(updateIntent);
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}
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private boolean isOmniJawsServiceAvailable() throws NameNotFoundException {
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final PackageManager pm = mContext.getPackageManager();
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pm.getPackageInfo("org.omnirom.omnijaws", 0);
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return true;
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}
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private void checkSettings() {
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if (!mInstalled) {
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return;
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}
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final Cursor c = mContext.getContentResolver().query(SETTINGS_URI, SETTINGS_PROJECTION,
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null, null, null);
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if (c != null) {
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int count = c.getCount();
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if (count == 1) {
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c.moveToPosition(0);
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mEnabled = c.getInt(0) == 1 ? true : false;
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mMetric = c.getInt(1) == 0 ? true : false;
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}
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}
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}
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private int toKelvin(double temperature) {
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if (mMetric) {
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return (int) (temperature + 273.15);
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}
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return (int) ((temperature - 32) * 0.5555555555555556D + 273.15);
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}
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private float toKmh(float speed) {
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if (mMetric) {
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return speed;
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}
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return (speed * 1.61f);
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}
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}
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