81 lines
2.4 KiB
Swift
81 lines
2.4 KiB
Swift
//
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// Copyright 2019 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import SignalServiceKit
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protocol ApprovalRailCellViewDelegate: AnyObject {
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func approvalRailCellView(_ approvalRailCellView: ApprovalRailCellView,
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didRemoveItem attachmentApprovalItem: AttachmentApprovalItem)
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func canRemoveApprovalRailCellView(_ approvalRailCellView: ApprovalRailCellView) -> Bool
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}
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// MARK: -
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class ApprovalRailCellView: GalleryRailCellView {
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weak var approvalRailCellDelegate: ApprovalRailCellViewDelegate?
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private 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 attachmentApprovalItem = strongSelf.item as? AttachmentApprovalItem else {
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owsFailDebug("attachmentApprovalItem was unexpectedly nil")
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return
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}
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strongSelf.approvalRailCellDelegate?.approvalRailCellView(strongSelf, didRemoveItem: attachmentApprovalItem)
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}
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button.alpha = 0
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button.bounds = CGRect(origin: .zero, size: CGSize(square: 24))
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button.setImage(UIImage(imageLiteralResourceName: "trash-20"), for: .normal)
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button.tintColor = .white
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return button
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}()
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init() {
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let configuration = GalleryRailCellConfiguration(
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cornerRadius: 10,
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itemBorderWidth: 1.5,
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itemBorderColor: .white,
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focusedItemBorderWidth: 2,
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focusedItemBorderColor: Theme.accentBlueColor,
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focusedItemOverlayColor: .ows_blackAlpha50
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)
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super.init(configuration: configuration)
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addSubview(deleteButton)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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deleteButton.center = bounds.center
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}
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override var isCellFocused: Bool {
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didSet {
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if isCellFocused, let approvalRailCellDelegate, approvalRailCellDelegate.canRemoveApprovalRailCellView(self) {
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deleteButton.alpha = 1
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} else {
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deleteButton.alpha = 0
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}
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}
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}
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}
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class AddMediaRailCellView: GalleryRailCellView {
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init() {
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super.init(configuration: .empty)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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