60 lines
2.2 KiB
Swift
60 lines
2.2 KiB
Swift
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import UIKit
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public struct RDEPUBNavigatorLayoutContext: Equatable {
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public var containerSize: CGSize
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public var pagesPerScreen: Int
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public var safeAreaInsets: UIEdgeInsets
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public var userInterfaceIdiom: UIUserInterfaceIdiom
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public var reflowableContentInsets: UIEdgeInsets
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public init(
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containerSize: CGSize,
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pagesPerScreen: Int = 1,
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safeAreaInsets: UIEdgeInsets = .zero,
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userInterfaceIdiom: UIUserInterfaceIdiom = .phone,
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reflowableContentInsets: UIEdgeInsets = RDEPUBSafeArea.defaultReflowableContentInsets()
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) {
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self.containerSize = containerSize
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self.pagesPerScreen = max(1, pagesPerScreen)
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self.safeAreaInsets = safeAreaInsets
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self.userInterfaceIdiom = userInterfaceIdiom
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self.reflowableContentInsets = reflowableContentInsets
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}
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public var viewportSize: CGSize {
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let width: CGFloat
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if pagesPerScreen > 1 {
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width = containerSize.width / CGFloat(pagesPerScreen)
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} else {
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width = containerSize.width
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}
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return CGSize(width: width, height: containerSize.height)
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}
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/// Content insets that account for safe area (Dynamic Island / notch) on iPhone.
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/// Uses the larger of safeAreaInsets and reflowableContentInsets for top/bottom
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/// to ensure content is never hidden under the Dynamic Island or home indicator.
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public var safeReflowableContentInsets: UIEdgeInsets {
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let top = max(safeAreaInsets.top, reflowableContentInsets.top)
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let bottom = max(safeAreaInsets.bottom, reflowableContentInsets.bottom)
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let left = max(safeAreaInsets.left, reflowableContentInsets.left)
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let right = max(safeAreaInsets.right, reflowableContentInsets.right)
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return UIEdgeInsets(top: top, left: left, bottom: bottom, right: right)
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}
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/// Fixed layout content insets that respect safe areas on all devices including iPhone.
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public var fixedContentInset: UIEdgeInsets {
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var insets = safeAreaInsets
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let horizontalInsets = max(insets.left, insets.right)
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insets.left = horizontalInsets
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insets.right = horizontalInsets
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return insets
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}
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}
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