moonlight-ios/Limelight/ViewControllers/LoadingFrameViewController.m

//
//  LoadingFrameViewController.m
//  Moonlight
//
//  Created by Diego Waxemberg on 2/24/15.
//  Copyright (c) 2015 Moonlight Stream. All rights reserved.
//

#import "LoadingFrameViewController.h"

@implementation LoadingFrameViewController {
    BOOL presented;
};

- (void)viewDidLoad {
    [super viewDidLoad];
    // center the loading spinner
    self.loadingSpinner.center = CGPointMake(self.view.frame.size.width / 2, self.view.frame.size.height / 2);
}

- (UIViewController*) activeViewController {
    UIViewController *topController = [UIApplication sharedApplication].keyWindow.rootViewController;
    
    while (topController.presentedViewController) {
        topController = topController.presentedViewController;
    }
    
    return topController;
}

- (void)showLoadingFrame:(void (^)(void))completion {
    if (!presented) {
        presented = YES;
        [[self activeViewController] presentViewController:self animated:NO completion:completion];
    }
    else if (completion) {
        completion();
    }
}

- (void)dismissLoadingFrame:(void (^)(void))completion {
    if (presented) {
        presented = NO;
        [self dismissViewControllerAnimated:NO completion:completion];
    }
    else if (completion) {
        completion();
    }
}

- (BOOL)isShown {
    return presented;
}

@end