44 lines
1.2 KiB
Swift
44 lines
1.2 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 UIKit
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/// A view controller that provides a preview for use in context menus.
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/// The preview will display a snapshot of whichever view is passed into the init.
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@objcMembers
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class ContextMenuSnapshotPreviewViewController: UIViewController {
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// MARK: - Private
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private let snapshotView: UIView?
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// MARK: - Setup
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/// Creates a new preview by snapshotting the supplied view.
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/// - Parameter view: The view to use as a preview.
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init(view: UIView) {
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self.snapshotView = view.snapshotView(afterScreenUpdates: false)
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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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// MARK: - Lifecycle
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override func viewDidLoad() {
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super.viewDidLoad()
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guard let snapshotView = snapshotView else { return }
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view.vc_addSubViewMatchingParent(snapshotView)
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preferredContentSize = snapshotView.bounds.size
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}
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}
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