31 lines
1.3 KiB
Swift
31 lines
1.3 KiB
Swift
//
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// MediaPreviewableViewController.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-4-28.
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//
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import UIKit
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protocol MediaPreviewableViewController: UIViewController {
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var mediaPreviewTransitionController: MediaPreviewTransitionController { get }
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func sourceFrame(transitionItem: MediaPreviewTransitionItem, index: Int) -> CGRect?
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}
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extension MediaPreviewableViewController {
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func sourceFrame(transitionItem: MediaPreviewTransitionItem, index: Int) -> CGRect? {
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switch transitionItem.source {
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case .attachment(let mediaView):
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return mediaView.superview?.convert(mediaView.frame, to: nil)
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case .attachments(let mediaGridContainerView):
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guard index < mediaGridContainerView.mediaViews.count else { return nil }
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let mediaView = mediaGridContainerView.mediaViews[index]
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return mediaView.superview?.convert(mediaView.frame, to: nil)
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case .profileAvatar(let profileHeaderView):
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return profileHeaderView.avatarButton.superview?.convert(profileHeaderView.avatarButton.frame, to: nil)
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case .profileBanner(let profileHeaderView):
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return profileHeaderView.bannerImageView.superview?.convert(profileHeaderView.bannerImageView.frame, to: nil)
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}
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}
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}
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