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67 lines
3.1 KiB
Swift
67 lines
3.1 KiB
Swift
5 years ago
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final class LinkPreviewModal : Modal {
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private let onLinkPreviewsEnabled: () -> Void
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// MARK: Lifecycle
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init(onLinkPreviewsEnabled: @escaping () -> Void) {
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self.onLinkPreviewsEnabled = onLinkPreviewsEnabled
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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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preconditionFailure("Use init(onLinkPreviewsEnabled:) instead.")
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}
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override init(nibName: String?, bundle: Bundle?) {
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preconditionFailure("Use init(onLinkPreviewsEnabled:) instead.")
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}
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override func populateContentView() {
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// Title
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let titleLabel = UILabel()
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titleLabel.textColor = Colors.text
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titleLabel.font = .boldSystemFont(ofSize: Values.largeFontSize)
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titleLabel.text = "Enable Link Previews?"
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titleLabel.textAlignment = .center
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// Message
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let messageLabel = UILabel()
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messageLabel.textColor = Colors.text
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messageLabel.font = .systemFont(ofSize: Values.smallFontSize)
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let message = "Session can show previews for URLs. This will make your messaging experience nicer, but to generate a preview Session needs to contact the website in question. You can always disable link previews in the in-app settings."
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messageLabel.text = message
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messageLabel.numberOfLines = 0
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messageLabel.lineBreakMode = .byWordWrapping
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messageLabel.textAlignment = .center
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// Enable button
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let enableButton = UIButton()
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enableButton.set(.height, to: Values.mediumButtonHeight)
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enableButton.layer.cornerRadius = Values.modalButtonCornerRadius
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enableButton.backgroundColor = Colors.buttonBackground
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enableButton.titleLabel!.font = .systemFont(ofSize: Values.smallFontSize)
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enableButton.setTitleColor(Colors.text, for: UIControl.State.normal)
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enableButton.setTitle("Enable", for: UIControl.State.normal)
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enableButton.addTarget(self, action: #selector(enable), for: UIControl.Event.touchUpInside)
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// Button stack view
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let buttonStackView = UIStackView(arrangedSubviews: [ cancelButton, enableButton ])
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buttonStackView.axis = .horizontal
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buttonStackView.spacing = Values.mediumSpacing
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buttonStackView.distribution = .fillEqually
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// Main stack view
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let mainStackView = UIStackView(arrangedSubviews: [ titleLabel, messageLabel, buttonStackView ])
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mainStackView.axis = .vertical
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mainStackView.spacing = Values.largeSpacing
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contentView.addSubview(mainStackView)
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mainStackView.pin(.leading, to: .leading, of: contentView, withInset: Values.largeSpacing)
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mainStackView.pin(.top, to: .top, of: contentView, withInset: Values.largeSpacing)
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contentView.pin(.trailing, to: .trailing, of: mainStackView, withInset: Values.largeSpacing)
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contentView.pin(.bottom, to: .bottom, of: mainStackView, withInset: Values.largeSpacing)
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}
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// MARK: Interaction
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@objc private func enable() {
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SSKPreferences.areLinkPreviewsEnabled = true
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presentingViewController?.dismiss(animated: true, completion: nil)
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onLinkPreviewsEnabled()
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}
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}
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