Making magic with the network stack
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package eu.faircode.netguard;
/*
This file is part of NetGuard.
NetGuard is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
NetGuard 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with NetGuard. If not, see <http://www.gnu.org/licenses/>.
Copyright 2015-2019 by Marcel Bokhorst (M66B)
*/
import android.annotation.TargetApi;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.drawable.Icon;
import android.os.Build;
import android.service.quicksettings.Tile;
import android.service.quicksettings.TileService;
import android.util.Log;
import androidx.preference.PreferenceManager;
import java.util.Date;
@TargetApi(Build.VERSION_CODES.N)
public class ServiceTileMain extends TileService implements SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = "NetGuard.TileMain";
public void onStartListening() {
Log.i(TAG, "Start listening");
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
prefs.registerOnSharedPreferenceChangeListener(this);
update();
}
@Override
public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
if ("enabled".equals(key))
update();
}
private void update() {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
boolean enabled = prefs.getBoolean("enabled", false);
Tile tile = getQsTile();
if (tile != null) {
tile.setState(enabled ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE);
tile.setIcon(Icon.createWithResource(this, enabled ? R.drawable.ic_security_white_24dp : R.drawable.ic_security_white_24dp_60));
tile.updateTile();
}
}
public void onStopListening() {
Log.i(TAG, "Stop listening");
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
prefs.unregisterOnSharedPreferenceChangeListener(this);
}
public void onClick() {
Log.i(TAG, "Click");
// Cancel set alarm
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(WidgetAdmin.INTENT_ON);
intent.setPackage(getPackageName());
PendingIntent pi = PendingIntent.getBroadcast(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
am.cancel(pi);
// Check state
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
boolean enabled = !prefs.getBoolean("enabled", false);
prefs.edit().putBoolean("enabled", enabled).apply();
if (enabled)
ServiceSinkhole.start("tile", this);
else {
ServiceSinkhole.stop("tile", this, false);
// Auto enable
int auto = Integer.parseInt(prefs.getString("auto_enable", "0"));
if (auto > 0) {
Log.i(TAG, "Scheduling enabled after minutes=" + auto);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
am.set(AlarmManager.RTC_WAKEUP, new Date().getTime() + auto * 60 * 1000L, pi);
else
am.setAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, new Date().getTime() + auto * 60 * 1000L, pi);
}
}
}
}