SettingsData.java

package org.altbeacon.beacon.service;

import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;

import org.altbeacon.beacon.Beacon;
import org.altbeacon.beacon.BeaconManager;
import org.altbeacon.beacon.BeaconParser;
import org.altbeacon.beacon.Region;
import org.altbeacon.beacon.logging.LogManager;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by dyoung on 3/10/17.
 *
 * Internal class used to transfer settings between the BeaconService and the client
 *
 * @hide
 */
public class SettingsData implements Serializable {
    private static final String TAG = SettingsData.class.getSimpleName();
    private static final String SETTINGS_DATA_KEY = "SettingsData";
    ArrayList<BeaconParser> mBeaconParsers;
    Boolean mRegionStatePersistenceEnabled;
    Boolean mAndroidLScanningDisabled;
    Long mRegionExitPeriod;
    Boolean mUseTrackingCache;
    Boolean mHardwareEqualityEnforced;

    // The following configuration settings are not implemented here, so they cannot be set when
    // the scanning service is running in another process
    //        BeaconManager.setDistanceModelUpdateUrl(...)
    //        BeaconManager.setRssiFilterImplClass(...)
    //        BeaconManager.setBeaconSimulator(...)
    //        beaconManager.setNonBeaconLeScanCallback(...)

    public Bundle toBundle() {
        Bundle bundle = new Bundle();
        bundle.putSerializable(SETTINGS_DATA_KEY, this);
        return bundle;
    }
    public static SettingsData fromBundle(@NonNull Bundle bundle) {
        bundle.setClassLoader(Region.class.getClassLoader());
        SettingsData settingsData = null;
        if (bundle.get(SETTINGS_DATA_KEY) != null) {
            settingsData = (SettingsData) bundle.getSerializable(SETTINGS_DATA_KEY);
        }
        return settingsData;
    }

    public void apply(@NonNull BeaconService scanService) {
        LogManager.d(TAG, "Applying settings changes to scanner in other process");
        BeaconManager beaconManager = BeaconManager.getInstanceForApplication(scanService);
        List<BeaconParser> beaconParsers = beaconManager.getBeaconParsers();
        boolean beaconParsersChanged = false;
        if (beaconParsers.size() == mBeaconParsers.size()) {
            for (int i = 0; i < beaconParsers.size(); i++) {
                if (!beaconParsers.get(i).equals(mBeaconParsers.get(i))) {
                    LogManager.d(TAG, "Beacon parsers have changed to: "+mBeaconParsers.get(i).getLayout());
                    beaconParsersChanged = true;
                    break;
                }
            }
        }
        else {
            beaconParsersChanged = true;
            LogManager.d(TAG, "Beacon parsers have been added or removed.");
        }
        if (beaconParsersChanged) {
            LogManager.d(TAG, "Updating beacon parsers");
            beaconManager.getBeaconParsers().clear();
            beaconManager.getBeaconParsers().addAll(mBeaconParsers);
            scanService.reloadParsers();
        }
        else {
            LogManager.d(TAG, "Beacon parsers unchanged.");
        }
        MonitoringStatus monitoringStatus = MonitoringStatus.getInstanceForApplication(scanService);
        if (monitoringStatus.isStatePreservationOn() &&
                !mRegionStatePersistenceEnabled) {
            monitoringStatus.stopStatusPreservation();
        }
        else if (!monitoringStatus.isStatePreservationOn() &&
                mRegionStatePersistenceEnabled) {
            monitoringStatus.startStatusPreservation();
        }
        beaconManager.setAndroidLScanningDisabled(mAndroidLScanningDisabled);
        BeaconManager.setRegionExitPeriod(mRegionExitPeriod);
        RangeState.setUseTrackingCache(mUseTrackingCache);
        Beacon.setHardwareEqualityEnforced(mHardwareEqualityEnforced);
    }

    public SettingsData collect(@NonNull Context context) {
        BeaconManager beaconManager = BeaconManager.getInstanceForApplication(context);
        mBeaconParsers = new ArrayList<>(beaconManager.getBeaconParsers());
        mRegionStatePersistenceEnabled = beaconManager.isRegionStatePersistenceEnabled();
        mAndroidLScanningDisabled = beaconManager.isAndroidLScanningDisabled();
        mRegionExitPeriod = BeaconManager.getRegionExitPeriod();
        mUseTrackingCache = RangeState.getUseTrackingCache();
        mHardwareEqualityEnforced = Beacon.getHardwareEqualityEnforced();
        return this;
    }

}