Files
MapLibreParticleLab/platform/ios/MGLAccountManager.m
Minh Nguyễn bf6a100801 Avoid null-change KVO notifications
If no access token is set in the Info.plist, avoid triggering a KVO notification about the access token changing. By the same token (heh), avoid pulling a C string out of the change dictionary if the access token is being nilled out.
2015-06-17 16:49:12 -07:00

73 lines
2.1 KiB
Objective-C

#import "MGLAccountManager_Private.h"
#import "MGLMapboxEvents.h"
#import "NSProcessInfo+MGLAdditions.h"
@interface MGLAccountManager()
@property (atomic) BOOL mapboxMetricsEnabledSettingShownInApp;
@property (atomic) NSString *accessToken;
@end
@implementation MGLAccountManager
+ (void)load {
// Read the initial configuration from Info.plist. The shown-in-app setting
// preempts the Settings bundle check in -[MGLMapboxEvents init] triggered
// by setting the access token.
NSBundle *bundle = [NSBundle mainBundle];
NSNumber *shownInAppNumber = [bundle objectForInfoDictionaryKey:@"MGLMapboxMetricsEnabledSettingShownInApp"];
if (shownInAppNumber) {
[MGLAccountManager sharedManager].mapboxMetricsEnabledSettingShownInApp = [shownInAppNumber boolValue];
}
NSString *accessToken = [bundle objectForInfoDictionaryKey:@"MGLMapboxAccessToken"];
if (accessToken.length) {
self.accessToken = accessToken;
}
}
// Can be called from any thread.
//
+ (instancetype) sharedManager {
if (NSProcessInfo.processInfo.mgl_isInterfaceBuilderDesignablesAgent) {
return nil;
}
static dispatch_once_t onceToken;
static MGLAccountManager *_sharedManager;
void (^setupBlock)() = ^{
dispatch_once(&onceToken, ^{
_sharedManager = [[self alloc] init];
});
};
if ( ! [[NSThread currentThread] isMainThread]) {
dispatch_sync(dispatch_get_main_queue(), ^{
setupBlock();
});
}
else {
setupBlock();
}
return _sharedManager;
}
+ (BOOL) mapboxMetricsEnabledSettingShownInApp {
return [MGLAccountManager sharedManager].mapboxMetricsEnabledSettingShownInApp;
}
+ (void) setAccessToken:(NSString *) accessToken {
if ( ! [accessToken length]) return;
[MGLAccountManager sharedManager].accessToken = accessToken;
// Update MGLMapboxEvents
// NOTE: This is (likely) the initial setup of MGLMapboxEvents
[MGLMapboxEvents sharedManager];
}
+ (NSString *) accessToken {
return [MGLAccountManager sharedManager].accessToken;
}
@end