countly-sdk-ios/CountlyWebViewController.m at master · Countly/countly-sdk-ios · GitHub

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// CountlyWebViewController.m
//
// This code is provided under the MIT License.
//
// Please visit www.count.ly for more information.
//
#import "CountlyWebViewController.h"
#import "PassThroughBackgroundView.h"
#import "TouchDelegatingView.h"

#if (TARGET_OS_IOS)
@implementation CountlyWebViewController
{
    UIStatusBarStyle _cachedStatusBarStyle;
    BOOL _hasCachedStatusBarStyle;
}
- (BOOL)prefersStatusBarHidden
{
  return CountlyContentBuilderInternal.sharedInstance.webViewDisplayOption == IMMERSIVE ? YES : NO;
}

- (BOOL)prefersHomeIndicatorAutoHidden
{
  return CountlyContentBuilderInternal.sharedInstance.webViewDisplayOption == IMMERSIVE ? YES : NO;
}

- (UIStatusBarStyle)preferredStatusBarStyle
{
    if (_hasCachedStatusBarStyle) {
        return _cachedStatusBarStyle;
    }

    UIWindow *keyWindow = [self getKeyWindow];

    if (keyWindow && keyWindow.rootViewController) {
        _cachedStatusBarStyle = keyWindow.rootViewController.preferredStatusBarStyle;
        _hasCachedStatusBarStyle = YES;
        return _cachedStatusBarStyle;
    }

    return UIStatusBarStyleLightContent;
}

- (UIInterfaceOrientationMask)supportedInterfaceOrientations
{
    return UIInterfaceOrientationMaskAll;
}

- (UIWindow *)getKeyWindow {
    if (@available(iOS 13.0, *)) {
        for (UIScene *scene in UIApplication.sharedApplication.connectedScenes) {
            if (![scene isKindOfClass:[UIWindowScene class]]) {
                continue;
            }

            UIWindowScene *windowScene = (UIWindowScene *)scene;

            if (windowScene.activationState == UISceneActivationStateForegroundActive) {
                for (UIWindow *window in windowScene.windows) {
                    if (window.isKeyWindow) {
                        return window;
                    }
                }
            }
        }
    } else {
        return UIApplication.sharedApplication.keyWindow;
    }

    return nil;
}

- (BOOL)shouldAutorotate
{
    return YES;
}

- (void)loadView
{
    UIWindow *keyWindow = [self getKeyWindow];
    CGRect bounds = keyWindow.rootViewController.view.bounds;

    if (CGRectIsEmpty(bounds)) {
        bounds = UIScreen.mainScreen.bounds;
    }

    self.view = [[TouchDelegatingView alloc] initWithFrame:bounds];
}

- (void)viewDidLoad
{
  [super viewDidLoad];

    UIWindow *keyWindow = [self getKeyWindow];

    if (!_hasCachedStatusBarStyle) {
        if (keyWindow && keyWindow.rootViewController) {
            _cachedStatusBarStyle = keyWindow.rootViewController.preferredStatusBarStyle;
            _hasCachedStatusBarStyle = YES;
        }
    }


    if ([self.view isKindOfClass:[TouchDelegatingView class]])
    {
        TouchDelegatingView *delegatingView = (TouchDelegatingView *)self.view;
        if (keyWindow && keyWindow.rootViewController) {
            delegatingView.touchDelegate = keyWindow.rootViewController.view;
        }
    }

  // Fully transparent controller background
  self.view.backgroundColor = [UIColor clearColor];
  if (@available(iOS 11.0, *))
  {
    self.view.insetsLayoutMarginsFromSafeArea = NO;
    self.view.directionalLayoutMargins        = NSDirectionalEdgeInsetsZero;
  }
  self.extendedLayoutIncludesOpaqueBars = YES;
  self.edgesForExtendedLayout           = UIRectEdgeAll;

  // Ensure underlying app stays visible
  self.view.opaque = NO;

  if (self.contentView)
  {
    self.contentView.frame            = self.view.bounds;
    self.contentView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

    [self.view addSubview:self.contentView];
  }
}

- (void)updatePlacementRespectToSafeAreas
{
  if (@available(iOS 13.0, *))
  {
    UIEdgeInsets safeArea = self.view.safeAreaInsets;

    UIInterfaceOrientation orientation = self.view.window.windowScene.interfaceOrientation;

    if ([self.contentView isKindOfClass:PassThroughBackgroundView.self])
    {
      PassThroughBackgroundView *content = (PassThroughBackgroundView *)self.contentView;
      CGRect                     frame   = content.webView.frame;
      if (CountlyContentBuilderInternal.sharedInstance.webViewDisplayOption == SAFE_AREA || [self hasTopNotch:safeArea])
      {
        frame.origin.y += safeArea.top; // always respect notch if exists
      }
      if (orientation != UIInterfaceOrientationLandscapeLeft)
      { // regardless of given safe area, if notch is in left act for it
        frame.origin.x += MAX(safeArea.left, safeArea.right);
      }
      content.webView.frame = frame;
    }
  }
}

- (bool)hasTopNotch:(UIEdgeInsets)safeArea
{
  if (@available(iOS 11.0, *))
  {
    return safeArea.top >= 44;
  }
  else
  {
    return NO;
  }
}
@end
#endif