Antidote/Antidote/AddFriendController.swift
2024-03-06 01:21:08 +02:00

251 lines
8.6 KiB
Swift

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
import UIKit
import SnapKit
import SDCAlertView
private struct Constants {
static let TextViewTopOffset = 5.0
static let TextViewXOffset = 5.0
static let QrCodeBottomSpacerDeltaHeight = 70.0
static let SendAlertTextViewBottomOffset = -10.0
static let SendAlertTextViewXOffset = 5.0
static let SendAlertTextViewHeight = 70.0
}
protocol AddFriendControllerDelegate: class {
func addFriendControllerScanQRCode(
_ controller: AddFriendController,
validateCodeHandler: @escaping (String) -> Bool,
didScanHander: @escaping (String) -> Void)
func addFriendControllerDidFinish(_ controller: AddFriendController)
}
class AddFriendController: UIViewController {
weak var delegate: AddFriendControllerDelegate?
fileprivate let theme: Theme
fileprivate weak var submanagerFriends: OCTSubmanagerFriends!
fileprivate var textView: UITextView!
fileprivate var orTopSpacer: UIView!
fileprivate var qrCodeBottomSpacer: UIView!
fileprivate var orLabel: UILabel!
fileprivate var qrCodeButton: UIButton!
fileprivate var cachedMessage: String?
init(theme: Theme, submanagerFriends: OCTSubmanagerFriends) {
self.theme = theme
self.submanagerFriends = submanagerFriends
super.init(nibName: nil, bundle: nil)
addNavigationButtons()
edgesForExtendedLayout = UIRectEdge()
title = String(localized: "add_contact_title")
}
required convenience init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func loadView() {
loadViewWithBackgroundColor(theme.colorForType(.NormalBackground))
createViews()
installConstraints()
updateSendButton()
}
}
extension AddFriendController {
@objc func qrCodeButtonPressed() {
func prepareString(_ string: String) -> String {
var string = string
string = string.uppercased().trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
if string.hasPrefix("TOX:") {
return String(string[string.index(string.startIndex, offsetBy: 4) ..< string.endIndex])
}
return string
}
delegate?.addFriendControllerScanQRCode(self, validateCodeHandler: {
return isAddressString(prepareString($0))
}, didScanHander: { [unowned self] in
self.textView.text = prepareString($0)
self.updateSendButton()
})
}
@objc func sendButtonPressed() {
textView.resignFirstResponder()
let messageView = UITextView()
messageView.text = cachedMessage
let placeholderstring = NSAttributedString.init(string: String(localized: "add_contact_default_message_text"))
//messageView.attributedPlaceholder = placeholderstring
messageView.font = UIFont.systemFont(ofSize: 17.0)
messageView.layer.cornerRadius = 5.0
messageView.layer.masksToBounds = true
// let alert = AlertController(
// title: String(localized: "add_contact_default_message_title"),
// message: nil,
// preferredStyle: .alert)!
let alert = AlertController(title: String(localized: "add_contact_default_message_title"),
message: nil, preferredStyle: .alert)
alert.contentView.addSubview(messageView)
messageView.snp.makeConstraints {
$0.top.equalTo(alert.contentView)
$0.bottom.equalTo(alert.contentView).offset(Constants.SendAlertTextViewBottomOffset);
$0.leading.equalTo(alert.contentView).offset(Constants.SendAlertTextViewXOffset);
$0.trailing.equalTo(alert.contentView).offset(-Constants.SendAlertTextViewXOffset);
$0.height.equalTo(Constants.SendAlertTextViewHeight);
}
alert.addAction(AlertAction(title: String(localized: "alert_cancel"), style: .normal, handler: nil))
alert.addAction(AlertAction(title: String(localized: "add_contact_send"), style: .preferred) { [unowned self]
action in
self.cachedMessage = messageView.text
let message = messageView.text.isEmpty ? "Toxing on Antidote" : messageView.text
do {
try self.submanagerFriends.sendFriendRequest(toAddress: self.textView.text, message: message)
}
catch let error as NSError {
handleErrorWithType(.toxAddFriend, error: error)
return
}
self.delegate?.addFriendControllerDidFinish(self)
})
alert.present(completion: nil)
}
}
extension AddFriendController: UITextViewDelegate {
func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
if text == "\n" {
updateSendButton()
textView.resignFirstResponder()
return false
}
let resultText = (textView.text! as NSString).replacingCharacters(in: range, with: text)
let maxLength = Int(kOCTToxAddressLength)
if resultText.lengthOfBytes(using: String.Encoding.utf8) > maxLength {
textView.text = resultText.substringToByteLength(maxLength, encoding: String.Encoding.utf8)
updateSendButton()
return false
}
updateSendButton()
return true
}
func textViewDidChange(_ textView: UITextView) {
updateSendButton()
}
}
private extension AddFriendController {
func addNavigationButtons() {
navigationItem.rightBarButtonItem = UIBarButtonItem(
title: String(localized: "add_contact_send"),
style: .done,
target: self,
action: #selector(AddFriendController.sendButtonPressed))
}
func createViews() {
textView = UITextView()
let placeholderstring = NSAttributedString.init(string: String(localized: "add_contact_tox_id_placeholder"))
//textView.attributedPlaceholder = (placeholderstring)
textView.delegate = self
textView.isScrollEnabled = false
textView.font = UIFont.systemFont(ofSize: 17)
textView.textColor = theme.colorForType(.NormalText)
textView.backgroundColor = .clear
textView.returnKeyType = .done
textView.layer.cornerRadius = 5.0
textView.layer.borderWidth = 0.5
textView.layer.borderColor = theme.colorForType(.SeparatorsAndBorders).cgColor
textView.layer.masksToBounds = true
view.addSubview(textView)
orTopSpacer = createSpacer()
qrCodeBottomSpacer = createSpacer()
orLabel = UILabel()
orLabel.text = String(localized: "add_contact_or_label")
orLabel.textColor = theme.colorForType(.NormalText)
orLabel.backgroundColor = .clear
view.addSubview(orLabel)
qrCodeButton = UIButton(type: .system)
qrCodeButton.setTitle(String(localized: "add_contact_use_qr"), for: UIControlState())
qrCodeButton.titleLabel!.font = UIFont.antidoteFontWithSize(16.0, weight: .bold)
qrCodeButton.addTarget(self, action: #selector(AddFriendController.qrCodeButtonPressed), for: .touchUpInside)
view.addSubview(qrCodeButton)
}
func createSpacer() -> UIView {
let spacer = UIView()
spacer.backgroundColor = .clear
view.addSubview(spacer)
return spacer
}
func installConstraints() {
textView.snp.makeConstraints {
$0.top.equalTo(view).offset(Constants.TextViewTopOffset)
$0.leading.equalTo(view).offset(Constants.TextViewXOffset)
$0.trailing.equalTo(view).offset(-Constants.TextViewXOffset)
$0.bottom.equalTo(view.snp.centerY)
}
orTopSpacer.snp.makeConstraints {
$0.top.equalTo(textView.snp.bottom)
}
orLabel.snp.makeConstraints {
$0.top.equalTo(orTopSpacer.snp.bottom)
$0.centerX.equalTo(view)
}
qrCodeButton.snp.makeConstraints {
$0.top.equalTo(orLabel.snp.bottom)
$0.centerX.equalTo(view)
}
qrCodeBottomSpacer.snp.makeConstraints {
$0.top.equalTo(qrCodeButton.snp.bottom)
$0.bottom.equalTo(view)
$0.height.equalTo(orTopSpacer)
}
}
func updateSendButton() {
navigationItem.rightBarButtonItem!.isEnabled = isAddressString(textView.text)
}
}