45 lines
1.3 KiB
Swift
45 lines
1.3 KiB
Swift
//
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// ParallaxHeaderScrollView.swift
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// JellyfinPlayer
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//
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// Created by PangMo5 on 2021/05/30.
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//
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import Foundation
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import SwiftUI
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struct ParallaxHeaderScrollView<Header: View, StaticOverlayView: View, Content: View>: View {
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var header: Header
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var staticOverlayView: StaticOverlayView
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var overlayAlignment: Alignment
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var headerHeight: CGFloat
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var content: () -> Content
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init(header: Header,
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staticOverlayView: StaticOverlayView,
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overlayAlignment: Alignment = .center,
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headerHeight: CGFloat,
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content: @escaping () -> Content)
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{
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self.header = header
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self.staticOverlayView = staticOverlayView
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self.overlayAlignment = overlayAlignment
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self.headerHeight = headerHeight
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self.content = content
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}
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var body: some View {
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ScrollView {
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GeometryReader { proxy in
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let yOffset = proxy.frame(in: .global).minY > 0 ? -proxy.frame(in: .global).minY : 0
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header
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.frame(width: proxy.size.width, height: proxy.size.height - yOffset)
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.overlay(staticOverlayView, alignment: overlayAlignment)
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.offset(y: yOffset)
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}
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.frame(height: headerHeight)
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content()
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}
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}
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}
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