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fix: image preview transition using wrong mask when nest as child controller issue
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55b2823de5
commit
4a6b2a9d1d
@ -163,10 +163,17 @@ extension MediaHostToMediaPreviewViewControllerAnimatedTransitioning {
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var needsMaskWithAnimation = true
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let maskLayerToRect: CGRect? = {
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guard case .mosaic = transitionItem.source else { return nil }
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guard let navigationBar = toVC.navigationController?.navigationBar else { return nil }
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let navigationBarFrameInWindow = toVC.view.convert(navigationBar.frame, to: nil)
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guard let navigationBar = toVC.navigationController?.navigationBar, let navigationBarSuperView = navigationBar.superview else { return nil }
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let navigationBarFrameInWindow = navigationBarSuperView.convert(navigationBar.frame, to: nil)
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// crop rect top edge
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var rect = transitionMaskView.frame
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rect.origin.y = navigationBarFrameInWindow.maxY + UIView.separatorLineHeight(of: toVC.view) // extra hairline
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let _toViewFrameInWindow = toVC.view.superview.flatMap { $0.convert(toVC.view.frame, to: nil) }
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if let toViewFrameInWindow = _toViewFrameInWindow, toViewFrameInWindow.minY > navigationBarFrameInWindow.maxY {
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rect.origin.y = toViewFrameInWindow.minY
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} else {
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rect.origin.y = navigationBarFrameInWindow.maxY + UIView.separatorLineHeight(of: toVC.view) // extra hairline
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}
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if rect.minY < snapshot.frame.minY {
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needsMaskWithAnimation = false
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@ -177,8 +184,8 @@ extension MediaHostToMediaPreviewViewControllerAnimatedTransitioning {
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let maskLayerToPath = maskLayerToRect.flatMap { UIBezierPath(rect: $0) }?.cgPath
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let maskLayerToFinalRect: CGRect? = {
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guard case .mosaic = transitionItem.source else { return nil }
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guard let tabBarController = toVC.tabBarController else { return nil }
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let tabBarFrameInWindow = toVC.view.convert(tabBarController.tabBar.frame, to: nil)
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guard let tabBarController = toVC.tabBarController, let tabBarSuperView = tabBarController.tabBar.superview else { return nil }
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let tabBarFrameInWindow = tabBarSuperView.convert(tabBarController.tabBar.frame, to: nil)
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var rect = maskLayerToRect ?? transitionMaskView.frame
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let offset = rect.maxY - tabBarFrameInWindow.minY
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guard offset > 0 else { return rect }
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@ -411,10 +418,17 @@ extension MediaHostToMediaPreviewViewControllerAnimatedTransitioning {
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var needsMaskWithAnimation = true
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let maskLayerToRect: CGRect? = {
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guard case .mosaic = transitionItem.source else { return nil }
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guard let navigationBar = toVC.navigationController?.navigationBar else { return nil }
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let navigationBarFrameInWindow = toVC.view.convert(navigationBar.frame, to: nil)
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guard let navigationBar = toVC.navigationController?.navigationBar, let navigationBarSuperView = navigationBar.superview else { return nil }
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let navigationBarFrameInWindow = navigationBarSuperView.convert(navigationBar.frame, to: nil)
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// crop rect top edge
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var rect = transitionMaskView.frame
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rect.origin.y = navigationBarFrameInWindow.maxY
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let _toViewFrameInWindow = toVC.view.superview.flatMap { $0.convert(toVC.view.frame, to: nil) }
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if let toViewFrameInWindow = _toViewFrameInWindow, toViewFrameInWindow.minY > navigationBarFrameInWindow.maxY {
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rect.origin.y = toViewFrameInWindow.minY
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} else {
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rect.origin.y = navigationBarFrameInWindow.maxY + UIView.separatorLineHeight(of: toVC.view) // extra hairline
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}
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if rect.minY < snapshot.frame.minY {
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needsMaskWithAnimation = false
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@ -430,8 +444,8 @@ extension MediaHostToMediaPreviewViewControllerAnimatedTransitioning {
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let maskLayerToFinalRect: CGRect? = {
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guard case .mosaic = transitionItem.source else { return nil }
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guard let tabBarController = toVC.tabBarController else { return nil }
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let tabBarFrameInWindow = toVC.view.convert(tabBarController.tabBar.frame, to: nil)
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guard let tabBarController = toVC.tabBarController, let tabBarSuperView = tabBarController.tabBar.superview else { return nil }
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let tabBarFrameInWindow = tabBarSuperView.convert(tabBarController.tabBar.frame, to: nil)
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var rect = maskLayerToRect ?? transitionMaskView.frame
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let offset = rect.maxY - tabBarFrameInWindow.minY
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guard offset > 0 else { return rect }
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