77 lines
2.8 KiB
Swift
77 lines
2.8 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import UIKit
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import SessionMessagingKit
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final class MediaPlaceholderView: UIView {
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private static let iconSize: CGFloat = 24
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private static let iconImageViewSize: CGFloat = 40
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// MARK: - Lifecycle
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init(cellViewModel: MessageViewModel, textColor: UIColor) {
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super.init(frame: CGRect.zero)
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setUpViewHierarchy(cellViewModel: cellViewModel, textColor: textColor)
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}
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override init(frame: CGRect) {
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preconditionFailure("Use init(viewItem:textColor:) instead.")
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}
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required init?(coder: NSCoder) {
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preconditionFailure("Use init(viewItem:textColor:) instead.")
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}
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private func setUpViewHierarchy(
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cellViewModel: MessageViewModel,
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textColor: UIColor
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) {
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let (iconName, attachmentDescription): (String, String) = {
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guard
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cellViewModel.variant == .standardIncoming,
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let attachment: Attachment = cellViewModel.attachments?.first
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else {
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return ("actionsheet_document_black", "file") // Should never occur
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}
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if attachment.isAudio { return ("attachment_audio", "audio") }
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if attachment.isImage || attachment.isVideo { return ("actionsheet_camera_roll_black", "media") }
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return ("actionsheet_document_black", "file")
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}()
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// Image view
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let imageView = UIImageView(
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image: UIImage(named: iconName)?
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.resizedImage(
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to: CGSize(
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width: MediaPlaceholderView.iconSize,
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height: MediaPlaceholderView.iconSize
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)
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)?
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.withRenderingMode(.alwaysTemplate)
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)
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imageView.tintColor = textColor
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imageView.contentMode = .center
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imageView.set(.width, to: MediaPlaceholderView.iconImageViewSize)
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imageView.set(.height, to: MediaPlaceholderView.iconImageViewSize)
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// Body label
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let titleLabel = UILabel()
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titleLabel.lineBreakMode = .byTruncatingTail
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titleLabel.text = "Tap to download \(attachmentDescription)"
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titleLabel.textColor = textColor
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titleLabel.font = .systemFont(ofSize: Values.mediumFontSize)
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// Stack view
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let stackView = UIStackView(arrangedSubviews: [ imageView, titleLabel ])
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stackView.axis = .horizontal
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stackView.alignment = .center
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stackView.isLayoutMarginsRelativeArrangement = true
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stackView.layoutMargins = UIEdgeInsets(top: 0, leading: 0, bottom: 0, trailing: 12)
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addSubview(stackView)
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stackView.pin(to: self, withInset: Values.smallSpacing)
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}
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}
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