#import #import #import #import #import #import NS_ASSUME_NONNULL_BEGIN @implementation REASnapshot const int ScreenStackPresentationModal = 1; // RNSScreenStackPresentationModal const int DEFAULT_MODAL_TOP_OFFSET = 69; // Default iOS modal is shifted from screen top edge by 69px - (instancetype)init:(REAUIView *)view { self = [super init]; [self makeSnapshotForView:view useAbsolutePositionOnly:NO]; return self; } - (instancetype)initWithAbsolutePosition:(REAUIView *)view { self = [super init]; [self makeSnapshotForView:view useAbsolutePositionOnly:YES]; return self; } - (void)makeSnapshotForView:(REAUIView *)view useAbsolutePositionOnly:(BOOL)useAbsolutePositionOnly { #if TARGET_OS_OSX REAUIView *mainWindow = UIApplication.sharedApplication.keyWindow; #else REAUIView *mainWindow = RCTKeyWindow(); #endif CGPoint absolutePosition = [[view superview] convertPoint:view.center toView:nil]; _values = [NSMutableDictionary new]; #if TARGET_OS_OSX _values[@"windowWidth"] = [NSNumber numberWithDouble:mainWindow.frame.size.width]; _values[@"windowHeight"] = [NSNumber numberWithDouble:mainWindow.frame.size.height]; #else _values[@"windowWidth"] = [NSNumber numberWithDouble:mainWindow.bounds.size.width]; _values[@"windowHeight"] = [NSNumber numberWithDouble:mainWindow.bounds.size.height]; #endif _values[@"width"] = [NSNumber numberWithDouble:(double)(view.bounds.size.width)]; _values[@"height"] = [NSNumber numberWithDouble:(double)(view.bounds.size.height)]; _values[@"globalOriginX"] = [NSNumber numberWithDouble:absolutePosition.x - view.bounds.size.width / 2.0]; _values[@"globalOriginY"] = [NSNumber numberWithDouble:absolutePosition.y - view.bounds.size.height / 2.0]; if (useAbsolutePositionOnly) { _values[@"originX"] = _values[@"globalOriginX"]; _values[@"originY"] = _values[@"globalOriginY"]; _values[@"originXByParent"] = [NSNumber numberWithDouble:view.center.x - view.bounds.size.width / 2.0]; _values[@"originYByParent"] = [NSNumber numberWithDouble:view.center.y - view.bounds.size.height / 2.0]; #if TARGET_OS_OSX REAUIView *header = nil; #else REAUIView *navigationContainer = view.reactViewController.navigationController.view; REAUIView *header = [navigationContainer.subviews count] > 1 ? navigationContainer.subviews[1] : nil; #endif if (header != nil) { CGFloat headerHeight = header.frame.size.height; CGFloat headerOriginY = header.frame.origin.y; REAUIView *screen = [REAScreensHelper getScreenForView:view]; if ([REAScreensHelper isScreenModal:screen] && screen.superview == nil) { int additionalModalOffset = 0; REAUIView *screenWrapper = [REAScreensHelper getScreenWrapper:view]; int screenType = [REAScreensHelper getScreenType:screenWrapper]; if (screenType == ScreenStackPresentationModal) { additionalModalOffset = DEFAULT_MODAL_TOP_OFFSET; } float originY = [_values[@"originY"] doubleValue] + headerHeight + headerOriginY + additionalModalOffset; _values[@"originY"] = @(originY); } _values[@"headerHeight"] = @(headerHeight); } else { _values[@"headerHeight"] = @(0); } REAUIView *transformedView = [self findTransformedView:view]; if (transformedView != nil) { // iOS affine matrix: https://developer.apple.com/documentation/corefoundation/cgaffinetransform CGAffineTransform transform = transformedView.transform; NSNumber *a = @(transform.a); NSNumber *b = @(transform.b); NSNumber *c = @(transform.c); NSNumber *d = @(transform.d); NSNumber *tx = @(transform.tx); NSNumber *ty = @(transform.tx); _values[@"transformMatrix"] = @[ a, b, @(0), c, d, @(0), tx, ty, @(1) ]; _values[@"originX"] = @([_values[@"originX"] doubleValue] - [tx doubleValue]); _values[@"originY"] = @([_values[@"originY"] doubleValue] - [ty doubleValue]); } else { // Identity matrix is an default value _values[@"transformMatrix"] = @[ @(1), @(0), @(0), @(0), @(1), @(0), @(0), @(0), @(1) ]; } #if defined(RCT_NEW_ARCH_ENABLED) || TARGET_OS_TV _values[@"borderRadius"] = @(0); #else if ([view respondsToSelector:@selector(borderRadius)]) { // For example `RCTTextView` doesn't have `borderRadius` selector _values[@"borderRadius"] = @(((RCTView *)view).borderRadius); } else { _values[@"borderRadius"] = @(0); } #endif } else { _values[@"originX"] = @(view.center.x - view.bounds.size.width / 2.0); _values[@"originY"] = @(view.center.y - view.bounds.size.height / 2.0); } } - (REAUIView *)findTransformedView:(REAUIView *)view { REAUIView *transformedView; bool isTransformed = false; do { if (transformedView == nil) { transformedView = view; } else { transformedView = transformedView.superview; } CGAffineTransform transform = transformedView.transform; isTransformed = transform.a != 1 || transform.b != 0 || transform.c != 0 || transform.d != 1 || transform.tx != 0 || transform.ty != 0; } while (!isTransformed && transformedView != nil // Ignore views above screen && ![REAScreensHelper isRNSScreenType:transformedView]); if (isTransformed && transformedView != nil) { return transformedView; } return nil; } @end NS_ASSUME_NONNULL_END