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#import "Common.h"
#import "Framework.h"
#import "LocalNotificationManager.h"
#import "LocationManager.h"
#import "MapsAppDelegate.h"
#import "MapViewController.h"
#import "Statistics.h"
#import "TimeUtils.h"
#import "UIKitCategories.h"
#import "3party/Alohalytics/src/alohalytics_objc.h"
#include "platform/platform.hpp"
#include "storage/storage_defines.hpp"
static NSString * kDownloadMapActionName = @"DownloadMapAction";
static NSString * kFlagsKey = @"DownloadMapNotificationFlags";
static constexpr const double kRepeatedNotificationIntervalInSeconds = 3 * 30 * 24 * 60 * 60; // three months
using namespace storage;
typedef void (^CompletionHandler)(UIBackgroundFetchResult);
@interface LocalNotificationManager () <CLLocationManagerDelegate, UIAlertViewDelegate>
@property (nonatomic) CLLocationManager * locationManager;
@property (nonatomic) TIndex countryIndex;
@property (nonatomic, copy) CompletionHandler downloadMapCompletionHandler;
@property (nonatomic, weak) NSTimer * timer;
@end
@implementation LocalNotificationManager
+ (instancetype)sharedManager
{
static LocalNotificationManager * manager;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
manager = [[self alloc] init];
});
return manager;
}
- (void)dealloc
{
_locationManager.delegate = nil;
}
- (void)processNotification:(UILocalNotification *)notification onLaunch:(BOOL)onLaunch
{
NSDictionary * userInfo = [notification userInfo];
if ([userInfo[@"Action"] isEqualToString:kDownloadMapActionName])
{
[[Statistics instance] logEvent:@"'Download Map' Notification Clicked"];
[[MapsAppDelegate theApp].m_mapViewController.navigationController popToRootViewControllerAnimated:NO];
TIndex const index = TIndex([userInfo[@"Group"] intValue], [userInfo[@"Country"] intValue], [userInfo[@"Region"] intValue]);
[self downloadCountryWithIndex:index];
}
}
#pragma mark - Location Notifications
- (void)showDownloadMapNotificationIfNeeded:(void (^)(UIBackgroundFetchResult))completionHandler
{
NSTimeInterval const completionTimeIndent = 2.0;
NSTimeInterval const backgroundTimeRemaining = UIApplication.sharedApplication.backgroundTimeRemaining - completionTimeIndent;
if ([CLLocationManager locationServicesEnabled] && backgroundTimeRemaining > 0.0)
{
self.downloadMapCompletionHandler = completionHandler;
self.timer = [NSTimer scheduledTimerWithTimeInterval:backgroundTimeRemaining target:self selector:@selector(timerSelector:) userInfo:nil repeats:NO];
[self.locationManager startUpdatingLocation];
}
else
{
completionHandler(UIBackgroundFetchResultFailed);
}
}
- (void)markNotificationShowingForIndex:(TIndex)index
{
NSMutableDictionary * flags = [[[NSUserDefaults standardUserDefaults] objectForKey:kFlagsKey] mutableCopy];
if (!flags)
flags = [[NSMutableDictionary alloc] init];
flags[[self flagStringForIndex:index]] = [NSDate date];
NSUserDefaults * userDefaults = [NSUserDefaults standardUserDefaults];
[userDefaults setObject:flags forKey:kFlagsKey];
[userDefaults synchronize];
}
- (BOOL)shouldShowNotificationForIndex:(TIndex)index
{
NSDictionary * flags = [[NSUserDefaults standardUserDefaults] objectForKey:kFlagsKey];
NSDate * lastShowDate = flags[[self flagStringForIndex:index]];
return !lastShowDate || [[NSDate date] timeIntervalSinceDate:lastShowDate] > kRepeatedNotificationIntervalInSeconds;
}
- (void)timerSelector:(id)sender
{
// Location still was not received but it's time to finish up so system will not kill us.
[self.locationManager stopUpdatingLocation];
[self performCompletionHandler:UIBackgroundFetchResultFailed];
}
- (void)downloadCountryWithIndex:(TIndex)index
{
/// @todo Fix this logic after Framework -> CountryTree -> ActiveMapLayout refactoring.
/// Call download via Framework.
Framework & f = GetFramework();
f.GetCountryTree().GetActiveMapLayout().DownloadMap(index, MapOptions::Map);
double const defaultZoom = 10;
f.ShowRect(f.GetCountryBounds(index).Center(), defaultZoom);
}
- (NSString *)flagStringForIndex:(TIndex)index
{
return [NSString stringWithFormat:@"%i_%i_%i", index.m_group, index.m_country, index.m_region];
}
- (TIndex)indexWithFlagString:(NSString *)flag
{
NSArray * components = [flag componentsSeparatedByString:@"_"];
if ([components count] == 3)
return TIndex([components[0] intValue], [components[1] intValue], [components[2] intValue]);
return TIndex();
}
- (void)performCompletionHandler:(UIBackgroundFetchResult)result
{
if (!self.downloadMapCompletionHandler)
return;
self.downloadMapCompletionHandler(result);
self.downloadMapCompletionHandler = nil;
}
#pragma mark - Location Manager
- (CLLocationManager *)locationManager
{
if (!_locationManager)
{
_locationManager = [[CLLocationManager alloc] init];
_locationManager.delegate = self;
_locationManager.distanceFilter = kCLLocationAccuracyThreeKilometers;
}
return _locationManager;
}
- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
[self.timer invalidate];
[self.locationManager stopUpdatingLocation];
NSString * flurryEventName = @"'Download Map' Notification Didn't Schedule";
UIBackgroundFetchResult result = UIBackgroundFetchResultNoData;
BOOL const inBackground = [UIApplication sharedApplication].applicationState == UIApplicationStateBackground;
BOOL const onWiFi = (Platform::ConnectionStatus() == Platform::EConnectionType::CONNECTION_WIFI);
if (inBackground && onWiFi)
{
Framework & f = GetFramework();
CLLocation * lastLocation = [locations lastObject];
TIndex const index = f.GetCountryIndex(ToMercator(lastLocation.coordinate));
if (index.IsValid() && [self shouldShowNotificationForIndex:index])
{
TStatus const status = f.GetCountryStatus(index);
if (status == TStatus::ENotDownloaded)
{
[self markNotificationShowingForIndex:index];
UILocalNotification * notification = [[UILocalNotification alloc] init];
notification.alertAction = L(@"download");
notification.alertBody = L(@"download_map_notification");
notification.soundName = UILocalNotificationDefaultSoundName;
notification.userInfo = @{@"Action" : kDownloadMapActionName, @"Group" : @(index.m_group), @"Country" : @(index.m_country), @"Region" : @(index.m_region)};
UIApplication * application = [UIApplication sharedApplication];
[application presentLocalNotificationNow:notification];
[Alohalytics logEvent:@"suggestedToDownloadMissingMapForCurrentLocation" atLocation:lastLocation];
flurryEventName = @"'Download Map' Notification Scheduled";
result = UIBackgroundFetchResultNewData;
}
}
}
[[Statistics instance] logEvent:flurryEventName withParameters:@{@"WiFi" : @(onWiFi)}];
[self performCompletionHandler:result];
}
@end
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