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65 lines
1.9 KiB
Swift
65 lines
1.9 KiB
Swift
import Defaults
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import SwiftUI
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struct HorizontalCells: View {
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var items = [ContentItem]()
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@Environment(\.loadMoreContentHandler) private var loadMoreContentHandler
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@Default(.channelOnThumbnail) private var channelOnThumbnail
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var body: some View {
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ScrollView(.horizontal, showsIndicators: false) {
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LazyHStack(spacing: 20) {
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ForEach(contentItems) { item in
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ContentItemView(item: item)
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.environment(\.horizontalCells, true)
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.onAppear { loadMoreContentItemsIfNeeded(current: item) }
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#if os(tvOS)
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.frame(width: 580)
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.padding(.trailing, 20)
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.padding(.bottom, 40)
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#else
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.frame(width: 295)
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#endif
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}
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}
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#if os(tvOS)
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.padding(.horizontal, 40)
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.padding(.vertical, 30)
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#else
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.padding(.horizontal, 15)
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.padding(.vertical, 10)
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#endif
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}
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.frame(height: cellHeight)
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.edgesIgnoringSafeArea(.horizontal)
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}
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var contentItems: [ContentItem] {
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items.isEmpty ? ContentItem.placeholders : items
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}
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func loadMoreContentItemsIfNeeded(current item: ContentItem) {
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let thresholdIndex = items.index(items.endIndex, offsetBy: -5)
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if items.firstIndex(where: { $0.id == item.id }) == thresholdIndex {
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loadMoreContentHandler()
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}
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}
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var cellHeight: Double {
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#if os(tvOS)
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600
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#else
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290 - (channelOnThumbnail ? 23 : 0)
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#endif
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}
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}
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struct HorizontalCells_Previews: PreviewProvider {
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static var previews: some View {
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HorizontalCells(items: ContentItem.array(of: Video.allFixtures))
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.injectFixtureEnvironmentObjects()
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}
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}
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