UTM/Services/UTMLocationManager.m

//
// Copyright © 2020 osy. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#import "UTMLocationManager.h"
#import "UTMLogging.h"
@import CoreLocation;

@interface UTMLocationManager () <CLLocationManagerDelegate>

@property (nonatomic) CLLocationManager *locationManager;

@end

@implementation UTMLocationManager

+ (instancetype)sharedInstance {
    static id sharedInstance = nil;

    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        sharedInstance = [[self alloc] init];
        UTMLocationManager *instance = sharedInstance;
        instance.locationManager = [[CLLocationManager alloc] init];
        instance.locationManager.delegate = instance;
        instance.locationManager.desiredAccuracy = kCLLocationAccuracyBest;
        instance.locationManager.pausesLocationUpdatesAutomatically = NO;
    });

    return sharedInstance;
}

- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations {
}

- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error {
    UTMLog(@"Location manager failed with: %@", error);
}

- (void)locationManagerDidChangeAuthorization:(CLLocationManager *)manager {
    if (manager.authorizationStatus == kCLAuthorizationStatusDenied) {
        UTMLog(@"Location services are disabled in settings.");
    } else {
        [self startUpdatingLocation];
    }
}

- (void)startUpdatingLocation {
    [self.locationManager requestAlwaysAuthorization];
    self.locationManager.allowsBackgroundLocationUpdates = YES;
    [self.locationManager startUpdatingLocation];
}

@end