93 lines
3.2 KiB
Swift
93 lines
3.2 KiB
Swift
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import UIKit
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protocol ApprovalRailCellViewDelegate: class {
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func approvalRailCellView(_ approvalRailCellView: ApprovalRailCellView, didRemoveItem attachmentItem: SignalAttachmentItem)
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func canRemoveApprovalRailCellView(_ approvalRailCellView: ApprovalRailCellView) -> Bool
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}
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// MARK: -
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public class ApprovalRailCellView: GalleryRailCellView {
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weak var approvalRailCellDelegate: ApprovalRailCellViewDelegate?
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lazy var deleteButton: UIButton = {
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let button = OWSButton { [weak self] in
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guard let strongSelf = self else { return }
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guard let attachmentItem = strongSelf.item as? SignalAttachmentItem else {
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owsFailDebug("attachmentItem was unexpectedly nil")
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return
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}
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strongSelf.approvalRailCellDelegate?.approvalRailCellView(strongSelf, didRemoveItem: attachmentItem)
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}
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button.setImage(UIImage(named: "x-24")?.withRenderingMode(.alwaysTemplate), for: .normal)
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button.tintColor = .white
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button.layer.shadowColor = UIColor.black.cgColor
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button.layer.shadowRadius = 2
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button.layer.shadowOpacity = 0.66
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button.layer.shadowOffset = .zero
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let kButtonWidth: CGFloat = 24
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button.autoSetDimensions(to: CGSize(width: kButtonWidth, height: kButtonWidth))
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return button
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}()
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lazy var captionIndicator: UIView = {
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let image = UIImage(named: "image_editor_caption")?.withRenderingMode(.alwaysTemplate)
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let imageView = UIImageView(image: image)
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imageView.tintColor = .white
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imageView.layer.shadowColor = UIColor.black.cgColor
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imageView.layer.shadowRadius = 2
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imageView.layer.shadowOpacity = 0.66
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imageView.layer.shadowOffset = .zero
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return imageView
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}()
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override func setIsSelected(_ isSelected: Bool) {
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super.setIsSelected(isSelected)
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if isSelected {
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if let approvalRailCellDelegate = self.approvalRailCellDelegate,
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approvalRailCellDelegate.canRemoveApprovalRailCellView(self) {
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addSubview(deleteButton)
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deleteButton.autoPinEdge(toSuperviewEdge: .top, withInset: cellBorderWidth)
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deleteButton.autoPinEdge(toSuperviewEdge: .trailing, withInset: cellBorderWidth + 4)
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}
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} else {
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deleteButton.removeFromSuperview()
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}
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}
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override func configure(item: GalleryRailItem, delegate: GalleryRailCellViewDelegate) {
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super.configure(item: item, delegate: delegate)
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var hasCaption = false
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if let attachmentItem = item as? SignalAttachmentItem {
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if let captionText = attachmentItem.captionText {
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hasCaption = captionText.count > 0
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}
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} else {
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owsFailDebug("Invalid item.")
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}
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if hasCaption {
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addSubview(captionIndicator)
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captionIndicator.autoPinEdge(toSuperviewEdge: .top, withInset: cellBorderWidth)
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captionIndicator.autoPinEdge(toSuperviewEdge: .leading, withInset: cellBorderWidth + 4)
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} else {
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captionIndicator.removeFromSuperview()
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}
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}
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}
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