b0de59f2e2
This included: - Removing unavailable inits wholesale if no longer `required` - Marking a few classes `final` so they could continue using `Self(...)` rather than `OWSWhatever(...)`
104 lines
3.7 KiB
Swift
104 lines
3.7 KiB
Swift
//
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// Copyright 2020 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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import SignalUI
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public class GroupLinkQRCodeViewController: OWSViewController {
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private var groupModelV2: TSGroupModelV2
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init(groupModelV2: TSGroupModelV2) {
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self.groupModelV2 = groupModelV2
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super.init()
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}
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// MARK: - View Lifecycle
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public override func viewDidLoad() {
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super.viewDidLoad()
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title = OWSLocalizedString("GROUP_LINK_QR_CODE_VIEW_TITLE",
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comment: "The title for the 'group link QR code' view.")
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view.backgroundColor = Theme.backgroundColor
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createContents()
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}
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// MARK: -
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private func createContents() {
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let qrCodeView = QRCodeView()
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do {
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let inviteLinkUrl = try GroupManager.groupInviteLink(forGroupModelV2: groupModelV2)
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qrCodeView.setQR(url: inviteLinkUrl)
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} catch {
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owsFailDebug("error \(error)")
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}
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let descriptionLabel = UILabel()
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descriptionLabel.text = OWSLocalizedString("GROUP_LINK_QR_CODE_VIEW_DESCRIPTION",
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comment: "Description text in the 'group link QR code' view.")
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descriptionLabel.textColor = Theme.secondaryTextAndIconColor
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descriptionLabel.font = .dynamicTypeFootnote
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descriptionLabel.textAlignment = .center
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descriptionLabel.numberOfLines = 0
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descriptionLabel.lineBreakMode = .byWordWrapping
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let shareCodeButton = OWSFlatButton.button(title: OWSLocalizedString("GROUP_LINK_QR_CODE_VIEW_SHARE_CODE_BUTTON",
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comment: "Label for the 'share code' button in the 'group link QR code' view."),
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font: UIFont.dynamicTypeBody.semibold(),
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titleColor: .white,
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backgroundColor: .ows_accentBlue,
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target: self,
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selector: #selector(didTapShareCode))
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shareCodeButton.autoSetHeightUsingFont()
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let vSpacer1 = UIView.vStretchingSpacer()
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let vSpacer2 = UIView.vStretchingSpacer()
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let stackView = UIStackView(arrangedSubviews: [
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vSpacer1,
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qrCodeView,
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UIView.spacer(withHeight: 24),
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descriptionLabel,
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vSpacer2,
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shareCodeButton
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])
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stackView.axis = .vertical
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stackView.alignment = .fill
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view.addSubview(stackView)
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stackView.autoPinWidthToSuperviewMargins()
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stackView.autoPin(toTopLayoutGuideOf: self, withInset: 0)
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stackView.autoPin(toBottomLayoutGuideOf: self, withInset: 0)
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vSpacer1.autoPinHeight(toHeightOf: vSpacer2)
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}
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@objc
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private func didTapShareCode(_ sender: UIButton) {
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do {
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guard let qrCodeImage = ExportableQRCodeGenerator().generateQRCode(
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url: try GroupManager.groupInviteLink(forGroupModelV2: groupModelV2)
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) else {
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owsFailDebug("Failed to generate QR code image!")
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return
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}
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guard let imageData = qrCodeImage.pngData() else {
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owsFailDebug("Could not encode QR code.")
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return
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}
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let fileUrl = OWSFileSystem.temporaryFileUrl(fileExtension: "png")
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try imageData.write(to: fileUrl)
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AttachmentSharing.showShareUI(for: fileUrl, sender: sender)
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} catch {
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owsFailDebug("error \(error)")
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}
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}
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}
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