mirror of
https://github.com/ProtonMail/ios-mail.git
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67 lines
2.4 KiB
Swift
67 lines
2.4 KiB
Swift
// Copyright (c) 2025 Proton Technologies AG
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//
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// This file is part of Proton Mail.
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//
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// Proton Mail is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail. If not, see https://www.gnu.org/licenses/.
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import SwiftUI
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extension View {
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public func sizeTransition(inProgress: Binding<Bool>) -> some View {
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modifier(SizeTransitionObservingModifier(sizeTransitionInProgress: inProgress))
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}
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}
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private struct SizeTransitionObservingModifier: ViewModifier {
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let sizeTransitionInProgress: Binding<Bool>
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func body(content: Content) -> some View {
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content
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.background(SizeTransitionObservingView(sizeTransitionInProgress: sizeTransitionInProgress))
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}
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}
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private struct SizeTransitionObservingView: UIViewControllerRepresentable {
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let sizeTransitionInProgress: Binding<Bool>
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func makeUIViewController(context: Context) -> SizeTransitionObservingViewController {
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.init(sizeTransitionInProgress: sizeTransitionInProgress)
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}
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func updateUIViewController(_ uiViewController: UIViewControllerType, context: Context) {}
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}
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private final class SizeTransitionObservingViewController: UIViewController {
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private let sizeTransitionInProgress: Binding<Bool>
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init(sizeTransitionInProgress: Binding<Bool>) {
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self.sizeTransitionInProgress = sizeTransitionInProgress
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super.init(nibName: nil, bundle: nil)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
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super.viewWillTransition(to: size, with: coordinator)
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sizeTransitionInProgress.wrappedValue = true
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coordinator.animate(alongsideTransition: nil) { [sizeTransitionInProgress] _ in
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sizeTransitionInProgress.wrappedValue = false
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}
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}
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}
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