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yattee/Shared/Videos/VideosCellsVertical.swift
2021-09-30 01:29:18 +02:00

81 lines
2.1 KiB
Swift

import Defaults
import SwiftUI
struct VideosCellsVertical: View {
#if os(iOS)
@Environment(\.verticalSizeClass) private var verticalSizeClass
#endif
var videos = [Video]()
var body: some View {
EmptyView().id("cellsTop")
ScrollViewReader { scrollView in
ScrollView(.vertical, showsIndicators: scrollViewShowsIndicators) {
LazyVGrid(columns: items, alignment: .center) {
ForEach(videos) { video in
VideoView(video: video)
#if os(tvOS)
.padding(.horizontal)
#endif
}
}
.padding()
}
.onChange(of: videos) { [videos] newVideos in
guard !videos.isEmpty else {
return
}
scrollView.scrollTo("cellsTop", anchor: .top)
}
#if os(tvOS)
.padding(.horizontal, 10)
#endif
}
.edgesIgnoringSafeArea(.horizontal)
#if os(macOS)
.background()
.frame(minWidth: 360)
#endif
}
var items: [GridItem] {
#if os(tvOS)
videos.count < 3 ? Array(repeating: GridItem(.fixed(540)), count: [videos.count, 1].max()!) : adaptiveItem
#else
adaptiveItem
#endif
}
var adaptiveItem: [GridItem] {
[GridItem(.adaptive(minimum: adaptiveGridItemMinimumSize))]
}
var adaptiveGridItemMinimumSize: Double {
#if os(iOS)
return verticalSizeClass == .regular ? 320 : 800
#elseif os(tvOS)
return 540
#else
return 320
#endif
}
var scrollViewShowsIndicators: Bool {
#if !os(tvOS)
true
#else
false
#endif
}
}
struct VideoCellsVertical_Previews: PreviewProvider {
static var previews: some View {
VideosCellsVertical(videos: Video.allFixtures)
.injectFixtureEnvironmentObjects()
}
}