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47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
/*
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* utils.mm, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "utils.h"
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#import <UIKit/UIKit.h>
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namespace
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{
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UIActivityIndicatorView *indicator;
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}
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namespace iOS_utils
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{
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double screenScale()
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{
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return UIScreen.mainScreen.nativeScale;
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}
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void showLoadingIndicator()
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{
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NSCAssert(!indicator, @"activity indicator must be hidden before attempting to show it again");
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indicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
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[indicator startAnimating];
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auto mainView = UIApplication.sharedApplication.keyWindow.rootViewController.view;
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mainView.userInteractionEnabled = NO;
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[mainView addSubview:indicator];
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indicator.center = {CGRectGetMidX(mainView.bounds), CGRectGetMidY(mainView.bounds)};
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}
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void hideLoadingIndicator()
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{
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indicator.superview.userInteractionEnabled = YES;
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[indicator stopAnimating];
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[indicator removeFromSuperview];
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indicator = nil;
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}
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}
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