mirror of https://github.com/oxen-io/session-ios
Use custom new conversation screen
Niels Andriesse
6 years ago
parent
71d48e4be4
commit
e2bcb61342
@ -0,0 +1,84 @@
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@objc(LKNewConversationViewController)
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final class NewConversationViewController : OWSViewController {
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// MARK: Components
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private lazy var publicKeyTextField: UITextField = {
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let result = UITextField()
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result.textColor = Theme.primaryColor
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result.font = UIFont.ows_dynamicTypeBodyClamped
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let placeholder = NSMutableAttributedString(string: NSLocalizedString("Enter a Public Key", comment: ""))
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placeholder.addAttribute(.foregroundColor, value: Theme.placeholderColor, range: NSRange(location: 0, length: placeholder.length))
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result.attributedPlaceholder = placeholder
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result.tintColor = UIColor.lokiGreen()
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result.keyboardAppearance = .dark
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return result
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}()
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// MARK: Lifecycle
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override func viewDidLoad() {
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// Background color & margins
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view.backgroundColor = Theme.backgroundColor
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view.layoutMargins = .zero
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// Navigation bar
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navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .stop, target: self, action: #selector(close))
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title = NSLocalizedString("New Conversation", comment: "")
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// Separator
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let separator = UIView()
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separator.autoSetDimension(.height, toSize: 1 / UIScreen.main.scale)
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separator.backgroundColor = Theme.hairlineColor
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// Explanation label
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let explanationLabel = UILabel()
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explanationLabel.textColor = Theme.primaryColor
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explanationLabel.font = UIFont.ows_dynamicTypeSubheadlineClamped
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explanationLabel.text = NSLocalizedString("For example: 059abcf223aa8c10e3dc2d623688b75dd25896794717e4a9c486772664fc95e41e.", comment: "")
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explanationLabel.numberOfLines = 0
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explanationLabel.lineBreakMode = .byWordWrapping
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// Button
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let buttonFont = UIFont.ows_dynamicTypeBodyClamped.ows_mediumWeight()
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let buttonHeight = buttonFont.pointSize * 48 / 17
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let startNewConversationButton = OWSFlatButton.button(title: NSLocalizedString("Next", comment: ""), font: buttonFont, titleColor: .white, backgroundColor: .lokiGreen(), target: self, selector: #selector(startNewConversationIfPossible))
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startNewConversationButton.autoSetDimension(.height, toSize: buttonHeight)
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// Stack view
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let stackView = UIStackView(arrangedSubviews: [
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publicKeyTextField,
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UIView.spacer(withHeight: 8),
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separator,
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UIView.spacer(withHeight: 8),
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explanationLabel,
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UIView.vStretchingSpacer(),
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startNewConversationButton
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])
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stackView.axis = .vertical
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stackView.alignment = .fill
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stackView.layoutMargins = UIEdgeInsets(top: 16, left: 16, bottom: 16, right: 16)
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stackView.isLayoutMarginsRelativeArrangement = true
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view.addSubview(stackView)
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stackView.autoPinWidthToSuperview()
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stackView.autoPin(toTopLayoutGuideOf: self, withInset: 0)
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autoPinView(toBottomOfViewControllerOrKeyboard: stackView, avoidNotch: true)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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publicKeyTextField.becomeFirstResponder()
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}
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// MARK: Interaction
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@objc private func close() {
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dismiss(animated: true, completion: nil)
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}
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@objc private func startNewConversationIfPossible() {
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let hexEncodedPublicKey = publicKeyTextField.text?.trimmingCharacters(in: .whitespaces) ?? ""
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if !ECKeyPair.isValidHexEncodedPublicKey(candidate: hexEncodedPublicKey) {
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let alert = UIAlertController(title: NSLocalizedString("Invalid Public Key", comment: ""), message: NSLocalizedString("Please check the public key you entered and try again.", comment: ""), preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""), style: .default, handler: nil))
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presentAlert(alert)
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} else {
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let thread = TSContactThread.getOrCreateThread(contactId: hexEncodedPublicKey)
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SignalApp.shared().presentConversation(for: thread, action: .compose, animated: false)
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presentingViewController!.dismiss(animated: true, completion: nil)
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}
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}
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}
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