211 lines
8.0 KiB
Swift
211 lines
8.0 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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@objc
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public protocol MessageApprovalViewControllerDelegate: class {
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func messageApproval(_ messageApproval: MessageApprovalViewController, didApproveMessage messageText: String)
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func messageApprovalDidCancel(_ messageApproval: MessageApprovalViewController)
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}
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@objc
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public class MessageApprovalViewController: OWSViewController, UITextViewDelegate {
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weak var delegate: MessageApprovalViewControllerDelegate?
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// MARK: Properties
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let thread: TSThread
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let initialMessageText: String
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private(set) var textView: UITextView!
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private var sendButton: UIBarButtonItem!
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// MARK: Initializers
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@available(*, unavailable, message:"use attachment: constructor instead.")
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required public init?(coder aDecoder: NSCoder) {
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notImplemented()
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}
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@objc
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required public init(messageText: String, thread: TSThread, delegate: MessageApprovalViewControllerDelegate) {
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self.initialMessageText = messageText
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self.thread = thread
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self.delegate = delegate
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super.init(nibName: nil, bundle: nil)
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}
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// MARK: View Lifecycle
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override public func viewDidLoad() {
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super.viewDidLoad()
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self.navigationItem.title = NSLocalizedString("MESSAGE_APPROVAL_DIALOG_TITLE",
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comment: "Title for the 'message approval' dialog.")
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self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .stop, target: self, action: #selector(cancelPressed))
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sendButton = UIBarButtonItem(title: MessageStrings.sendButton,
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style: .plain,
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target: self,
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action: #selector(sendPressed))
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self.navigationItem.rightBarButtonItem = sendButton
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}
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private func updateSendButton() {
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sendButton.isEnabled = textView.text.count > 0
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}
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override public func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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updateSendButton()
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}
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// MARK: - Create Views
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public override func loadView() {
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self.view = UIView.container()
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self.view.backgroundColor = Theme.backgroundColor
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// Recipient Row
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let recipientRow = createRecipientRow()
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view.addSubview(recipientRow)
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recipientRow.autoPinEdge(toSuperviewSafeArea: .leading)
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recipientRow.autoPinEdge(toSuperviewSafeArea: .trailing)
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recipientRow.autoPinEdge(.bottom, to: .bottom, of: view)
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// Text View
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textView = OWSTextView()
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textView.delegate = self
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textView.backgroundColor = Theme.backgroundColor
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textView.textColor = Theme.primaryColor
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textView.font = UIFont.ows_dynamicTypeBody
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textView.text = self.initialMessageText
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textView.contentInset = UIEdgeInsets(top: 0.0, left: 0.0, bottom: 0.0, right: 0.0)
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textView.textContainerInset = UIEdgeInsets(top: 10.0, left: 10.0, bottom: 10.0, right: 10.0)
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view.addSubview(textView)
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textView.autoPinEdge(toSuperviewSafeArea: .leading)
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textView.autoPinEdge(toSuperviewSafeArea: .trailing)
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textView.autoPinEdge(.top, to: .bottom, of: recipientRow)
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textView.autoPinEdge(.bottom, to: .bottom, of: view)
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}
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private func createRecipientRow() -> UIView {
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let recipientRow = UIView.container()
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recipientRow.backgroundColor = Theme.toolbarBackgroundColor
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// Hairline borders should be 1 pixel, not 1 point.
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let borderThickness = 1.0 / UIScreen.main.scale
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let borderColor = Theme.middleGrayColor
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let topBorder = UIView.container()
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topBorder.backgroundColor = borderColor
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recipientRow.addSubview(topBorder)
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topBorder.autoPinWidthToSuperview()
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topBorder.autoPinTopToSuperviewMargin()
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topBorder.autoSetDimension(.height, toSize: borderThickness)
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let bottomBorder = UIView.container()
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bottomBorder.backgroundColor = borderColor
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recipientRow.addSubview(bottomBorder)
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bottomBorder.autoPinWidthToSuperview()
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bottomBorder.autoPinBottomToSuperviewMargin()
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bottomBorder.autoSetDimension(.height, toSize: borderThickness)
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let font = UIFont.ows_regularFont(withSize: ScaleFromIPhone5To7Plus(14.0, 18.0))
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let hSpacing = CGFloat(10)
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let hMargin = CGFloat(15)
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let vSpacing = CGFloat(5)
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let vMargin = CGFloat(10)
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let toLabel = UILabel()
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toLabel.text = NSLocalizedString("MESSAGE_APPROVAL_RECIPIENT_LABEL",
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comment: "Label for the recipient name in the 'message approval' dialog.")
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toLabel.textColor = Theme.secondaryColor
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toLabel.font = font
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recipientRow.addSubview(toLabel)
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let nameLabel = UILabel()
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nameLabel.textColor = Theme.primaryColor
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nameLabel.font = font
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nameLabel.lineBreakMode = .byTruncatingTail
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recipientRow.addSubview(nameLabel)
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toLabel.autoPinLeadingToSuperviewMargin(withInset: hMargin)
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toLabel.setContentHuggingHorizontalHigh()
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toLabel.setCompressionResistanceHorizontalHigh()
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toLabel.autoAlignAxis(.horizontal, toSameAxisOf: nameLabel)
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nameLabel.autoPinLeading(toTrailingEdgeOf: toLabel, offset: hSpacing)
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nameLabel.autoPinTrailingToSuperviewMargin(withInset: hMargin)
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nameLabel.setContentHuggingHorizontalLow()
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nameLabel.setCompressionResistanceHorizontalLow()
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nameLabel.autoPinTopToSuperviewMargin(withInset: vMargin)
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if let groupThread = self.thread as? TSGroupThread {
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let groupName = (groupThread.name().count > 0
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? groupThread.name()
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: MessageStrings.newGroupDefaultTitle)
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nameLabel.text = groupName
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nameLabel.autoPinBottomToSuperviewMargin(withInset: vMargin)
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return recipientRow
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}
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guard let contactThread = self.thread as? TSContactThread else {
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owsFailDebug("Unexpected thread type")
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return recipientRow
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}
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let publicKey = thread.contactIdentifier()!
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nameLabel.text = SSKEnvironment.shared.profileManager.profileNameForRecipient(withID: publicKey, avoidingWriteTransaction: true)
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nameLabel.textColor = Theme.primaryColor
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if let profileName = self.profileName(contactThread: contactThread) {
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// If there's a profile name worth showing, add it as a second line below the name.
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let profileNameLabel = UILabel()
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profileNameLabel.textColor = Theme.secondaryColor
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profileNameLabel.font = font
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profileNameLabel.text = profileName
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profileNameLabel.lineBreakMode = .byTruncatingTail
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recipientRow.addSubview(profileNameLabel)
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profileNameLabel.autoPinEdge(.top, to: .bottom, of: nameLabel, withOffset: vSpacing)
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profileNameLabel.autoPinLeading(toTrailingEdgeOf: toLabel, offset: hSpacing)
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profileNameLabel.autoPinTrailingToSuperviewMargin(withInset: hMargin)
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profileNameLabel.setContentHuggingHorizontalLow()
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profileNameLabel.setCompressionResistanceHorizontalLow()
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profileNameLabel.autoPinBottomToSuperviewMargin(withInset: vMargin)
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} else {
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nameLabel.autoPinBottomToSuperviewMargin(withInset: vMargin)
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}
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return recipientRow
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}
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private func profileName(contactThread: TSContactThread) -> String? {
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let publicKey = contactThread.contactIdentifier()
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return SSKEnvironment.shared.profileManager.profileNameForRecipient(withID: publicKey, avoidingWriteTransaction: true)
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}
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// MARK: - Event Handlers
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@objc func cancelPressed(sender: UIButton) {
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delegate?.messageApprovalDidCancel(self)
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}
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@objc func sendPressed(sender: UIButton) {
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delegate?.messageApproval(self, didApproveMessage: self.textView.text)
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}
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// MARK: - UITextViewDelegate
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public func textViewDidChange(_ textView: UITextView) {
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updateSendButton()
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}
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}
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