yattee/Shared/Player/VideoPlayerSizeModifier.swift

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2.2 KiB
Swift
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import Foundation
import SwiftUI
struct VideoPlayerSizeModifier: ViewModifier {
let geometry: GeometryProxy!
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let aspectRatio: Double?
let minimumHeightLeft: Double
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#if os(iOS)
@Environment(\.verticalSizeClass) private var verticalSizeClass
#endif
init(
geometry: GeometryProxy? = nil,
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aspectRatio: Double? = nil,
minimumHeightLeft: Double? = nil
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) {
self.geometry = geometry
self.aspectRatio = aspectRatio ?? VideoPlayerView.defaultAspectRatio
self.minimumHeightLeft = minimumHeightLeft ?? VideoPlayerView.defaultMinimumHeightLeft
}
func body(content: Content) -> some View {
// TODO: verify if optional GeometryProxy is still used
if geometry != nil {
content
.frame(maxHeight: maxHeight)
.aspectRatio(usedAspectRatio, contentMode: usedAspectRatioContentMode)
.edgesIgnoringSafeArea(edgesIgnoringSafeArea)
} else {
content.edgesIgnoringSafeArea(edgesIgnoringSafeArea)
}
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}
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var usedAspectRatio: Double {
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guard aspectRatio != nil else {
return VideoPlayerView.defaultAspectRatio
}
let ratio = [aspectRatio!, VideoPlayerView.defaultAspectRatio].min()!
let viewRatio = geometry.size.width / geometry.size.height
#if os(iOS)
return verticalSizeClass == .regular ? ratio : viewRatio
#else
return ratio
#endif
}
var usedAspectRatioContentMode: ContentMode {
#if os(iOS)
verticalSizeClass == .regular ? .fit : .fill
#else
.fit
#endif
}
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var maxHeight: Double {
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#if os(iOS)
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let height = verticalSizeClass == .regular ? geometry.size.height - minimumHeightLeft : .infinity
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#else
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let height = geometry.size.height - minimumHeightLeft
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#endif
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return [height, 0].max()!
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}
var edgesIgnoringSafeArea: Edge.Set {
let empty = Edge.Set()
#if os(iOS)
return verticalSizeClass == .compact ? .all : empty
#else
return empty
#endif
}
}