122 lines
4.7 KiB
Swift
122 lines
4.7 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import SwiftUI
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/// A modifier for showing the wait overlay view over a view.
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struct WaitOverlayModifier: ViewModifier {
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var allowUserInteraction: Bool
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var show: Bool
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var message: String?
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@ViewBuilder
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func body(content: Content) -> some View {
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content
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.modifier(WaitOverlay(
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allowUserInteraction: allowUserInteraction,
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message: message,
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isLoading: show
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))
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}
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}
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extension View {
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func waitOverlay(show: Bool, message: String? = nil, allowUserInteraction: Bool = true) -> some View {
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modifier(WaitOverlayModifier(allowUserInteraction: allowUserInteraction, show: show, message: message))
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}
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}
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/// `WaitOverlay` allows to easily add an overlay that covers the entire with an `ActivityIndicator` at the center
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struct WaitOverlay: ViewModifier {
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// MARK: - Properties
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var alignment: Alignment = .center
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var allowUserInteraction = true
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var message: String?
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var isLoading: Bool
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// MARK: - Private
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@Environment(\.theme) private var theme: ThemeSwiftUI
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// MARK: - Setup
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init(alignment: Alignment = .center,
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allowUserInteraction: Bool = true,
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message: String? = nil,
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isLoading: Bool) {
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self.message = message
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self.isLoading = isLoading
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self.alignment = alignment
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self.allowUserInteraction = allowUserInteraction
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}
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// MARK: - Public
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public func body(content: Content) -> some View {
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ZStack {
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content
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if isLoading {
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ZStack(alignment: alignment) {
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if allowUserInteraction {
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Color.clear
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} else {
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theme.colors.background.opacity(0.3)
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}
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VStack(spacing: 12) {
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ProgressView()
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.scaleEffect(1.3, anchor: .center)
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.progressViewStyle(CircularProgressViewStyle(tint: theme.colors.secondaryContent))
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if let message = message {
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Text(message)
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.font(theme.fonts.callout)
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.foregroundColor(theme.colors.secondaryContent)
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}
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}
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.padding(12)
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.background(RoundedRectangle(cornerRadius: 8, style: .continuous)
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.fill(theme.colors.navigation.opacity(0.9)))
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}
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.edgesIgnoringSafeArea(.all)
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.transition(.opacity)
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}
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}
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.animation(.easeIn(duration: 0.2))
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}
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}
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struct WaitOverlay_Previews: PreviewProvider {
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static var previews: some View {
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Group {
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VStack {
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ThemableNavigationBar(title: nil, showBackButton: true, backAction: { }, closeAction: { })
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ThemableNavigationBar(title: "Some Title", showBackButton: true, backAction: { }, closeAction: { })
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ThemableNavigationBar(title: nil, showBackButton: false, backAction: { }, closeAction: { })
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ThemableNavigationBar(title: "Some Title", showBackButton: false, backAction: { }, closeAction: { })
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}
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.modifier(WaitOverlay(isLoading: true))
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VStack {
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ThemableNavigationBar(title: nil, showBackButton: true, backAction: { }, closeAction: { })
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ThemableNavigationBar(title: "Some Title", showBackButton: true, backAction: { }, closeAction: { })
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ThemableNavigationBar(title: nil, showBackButton: false, backAction: { }, closeAction: { })
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ThemableNavigationBar(title: "Some Title", showBackButton: false, backAction: { }, closeAction: { })
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}
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.modifier(WaitOverlay(alignment: .topLeading, isLoading: true))
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VStack {
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ThemableNavigationBar(title: nil, showBackButton: true, backAction: { }, closeAction: { }).theme(.dark)
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ThemableNavigationBar(title: "Some Title", showBackButton: true, backAction: { }, closeAction: { }).theme(.dark)
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ThemableNavigationBar(title: nil, showBackButton: false, backAction: { }, closeAction: { }).theme(.dark)
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ThemableNavigationBar(title: "Some Title", showBackButton: false, backAction: { }, closeAction: { }).theme(.dark)
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}
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.modifier(WaitOverlay(isLoading: true)).theme(.dark)
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.preferredColorScheme(.dark)
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}
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.padding()
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}
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}
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