session-ios/SignalMessaging/ViewControllers/MessageApprovalViewController.swift
2018-08-27 10:27:48 -04:00

215 lines
8.2 KiB
Swift

//
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//
import Foundation
@objc
public protocol MessageApprovalViewControllerDelegate: class {
func messageApproval(_ messageApproval: MessageApprovalViewController, didApproveMessage messageText: String)
func messageApprovalDidCancel(_ messageApproval: MessageApprovalViewController)
}
@objc
public class MessageApprovalViewController: OWSViewController, UITextViewDelegate {
weak var delegate: MessageApprovalViewControllerDelegate?
// MARK: Properties
let thread: TSThread
let initialMessageText: String
let contactsManager: OWSContactsManager
private(set) var textView: UITextView!
private var sendButton: UIBarButtonItem!
// MARK: Initializers
@available(*, unavailable, message:"use attachment: constructor instead.")
required public init?(coder aDecoder: NSCoder) {
notImplemented()
}
@objc
required public init(messageText: String, thread: TSThread, contactsManager: OWSContactsManager, delegate: MessageApprovalViewControllerDelegate) {
self.initialMessageText = messageText
self.thread = thread
self.contactsManager = contactsManager
self.delegate = delegate
super.init(nibName: nil, bundle: nil)
}
// MARK: View Lifecycle
override public func viewDidLoad() {
super.viewDidLoad()
self.navigationItem.title = NSLocalizedString("MESSAGE_APPROVAL_DIALOG_TITLE",
comment: "Title for the 'message approval' dialog.")
self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .stop, target: self, action: #selector(cancelPressed))
sendButton = UIBarButtonItem(title: NSLocalizedString("SEND_BUTTON_TITLE",
comment: "Label for the send button in the conversation view."),
style: .plain,
target: self,
action: #selector(sendPressed))
self.navigationItem.rightBarButtonItem = sendButton
}
private func updateSendButton() {
sendButton.isEnabled = textView.text.count > 0
}
override public func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
updateSendButton()
}
// MARK: - Create Views
public override func loadView() {
self.view = UIView.container()
self.view.backgroundColor = Theme.backgroundColor
// Recipient Row
let recipientRow = createRecipientRow()
view.addSubview(recipientRow)
recipientRow.autoPinWidthToSuperview()
recipientRow.autoPin(toTopLayoutGuideOf: self, withInset: 0)
// Text View
textView = OWSTextView()
textView.delegate = self
textView.backgroundColor = Theme.backgroundColor
textView.textColor = Theme.primaryColor
textView.font = UIFont.ows_dynamicTypeBody
textView.text = self.initialMessageText
textView.contentInset = UIEdgeInsets(top: 0.0, left: 0.0, bottom: 0.0, right: 0.0)
textView.textContainerInset = UIEdgeInsets(top: 10.0, left: 10.0, bottom: 10.0, right: 10.0)
view.addSubview(textView)
textView.autoPinWidthToSuperview()
textView.autoPinEdge(.top, to: .bottom, of: recipientRow)
textView.autoPin(toBottomLayoutGuideOf: self, withInset: 0)
}
private func createRecipientRow() -> UIView {
let recipientRow = UIView.container()
recipientRow.backgroundColor = Theme.toolbarBackgroundColor
// Hairline borders should be 1 pixel, not 1 point.
let borderThickness = 1.0 / UIScreen.main.scale
let borderColor = Theme.middleGrayColor
let topBorder = UIView.container()
topBorder.backgroundColor = borderColor
recipientRow.addSubview(topBorder)
topBorder.autoPinWidthToSuperview()
topBorder.autoPinTopToSuperviewMargin()
topBorder.autoSetDimension(.height, toSize: borderThickness)
let bottomBorder = UIView.container()
bottomBorder.backgroundColor = borderColor
recipientRow.addSubview(bottomBorder)
bottomBorder.autoPinWidthToSuperview()
bottomBorder.autoPinBottomToSuperviewMargin()
bottomBorder.autoSetDimension(.height, toSize: borderThickness)
let font = UIFont.ows_regularFont(withSize: ScaleFromIPhone5To7Plus(14.0, 18.0))
let hSpacing = CGFloat(10)
let hMargin = CGFloat(15)
let vSpacing = CGFloat(5)
let vMargin = CGFloat(10)
let toLabel = UILabel()
toLabel.text = NSLocalizedString("MESSAGE_APPROVAL_RECIPIENT_LABEL",
comment: "Label for the recipient name in the 'message approval' dialog.")
toLabel.textColor = Theme.secondaryColor
toLabel.font = font
recipientRow.addSubview(toLabel)
let nameLabel = UILabel()
nameLabel.textColor = Theme.primaryColor
nameLabel.font = font
nameLabel.lineBreakMode = .byTruncatingTail
recipientRow.addSubview(nameLabel)
toLabel.autoPinLeadingToSuperviewMargin(withInset: hMargin)
toLabel.setContentHuggingHorizontalHigh()
toLabel.setCompressionResistanceHorizontalHigh()
toLabel.autoAlignAxis(.horizontal, toSameAxisOf: nameLabel)
nameLabel.autoPinLeading(toTrailingEdgeOf: toLabel, offset: hSpacing)
nameLabel.autoPinTrailingToSuperviewMargin(withInset: hMargin)
nameLabel.setContentHuggingHorizontalLow()
nameLabel.setCompressionResistanceHorizontalLow()
nameLabel.autoPinTopToSuperviewMargin(withInset: vMargin)
if let groupThread = self.thread as? TSGroupThread {
let groupName = (groupThread.name().count > 0
? groupThread.name()
: MessageStrings.newGroupDefaultTitle)
nameLabel.text = groupName
nameLabel.autoPinBottomToSuperviewMargin(withInset: vMargin)
return recipientRow
}
guard let contactThread = self.thread as? TSContactThread else {
owsFailDebug("Unexpected thread type")
return recipientRow
}
nameLabel.attributedText = contactsManager.formattedFullName(forRecipientId: contactThread.contactIdentifier(), font: font)
nameLabel.textColor = Theme.primaryColor
if let profileName = self.profileName(contactThread: contactThread) {
// If there's a profile name worth showing, add it as a second line below the name.
let profileNameLabel = UILabel()
profileNameLabel.textColor = Theme.secondaryColor
profileNameLabel.font = font
profileNameLabel.text = profileName
profileNameLabel.lineBreakMode = .byTruncatingTail
recipientRow.addSubview(profileNameLabel)
profileNameLabel.autoPinEdge(.top, to: .bottom, of: nameLabel, withOffset: vSpacing)
profileNameLabel.autoPinLeading(toTrailingEdgeOf: toLabel, offset: hSpacing)
profileNameLabel.autoPinTrailingToSuperviewMargin(withInset: hMargin)
profileNameLabel.setContentHuggingHorizontalLow()
profileNameLabel.setCompressionResistanceHorizontalLow()
profileNameLabel.autoPinBottomToSuperviewMargin(withInset: vMargin)
} else {
nameLabel.autoPinBottomToSuperviewMargin(withInset: vMargin)
}
return recipientRow
}
private func profileName(contactThread: TSContactThread) -> String? {
let recipientId = contactThread.contactIdentifier()
if contactsManager.hasNameInSystemContacts(forRecipientId: recipientId) {
// Don't display profile name when we have a veritas name in system Contacts
return nil
}
return contactsManager.formattedProfileName(forRecipientId: recipientId)
}
// MARK: - Event Handlers
@objc func cancelPressed(sender: UIButton) {
delegate?.messageApprovalDidCancel(self)
}
@objc func sendPressed(sender: UIButton) {
delegate?.messageApproval(self, didApproveMessage: self.textView.text)
}
// MARK: - UITextViewDelegate
public func textViewDidChange(_ textView: UITextView) {
updateSendButton()
}
}