mirror of
https://github.com/lil-org/tokenary.git
synced 2024-12-26 05:22:04 +03:00
391 lines
14 KiB
Swift
391 lines
14 KiB
Swift
// Copyright © 2021 Tokenary. All rights reserved.
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import Cocoa
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class AccountsListViewController: NSViewController {
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private let agent = Agent.shared
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private let walletsManager = WalletsManager.shared
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private var cellModels = [CellModel]()
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private var chain = EthereumChain.ethereum
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private var didCallCompletion = false
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var onSelectedWallet: ((EthereumChain?, TokenaryWallet?) -> Void)?
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var newWalletId: String?
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enum CellModel {
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case wallet
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case addAccountOption(AddAccountOption)
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}
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enum AddAccountOption {
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case createNew, importExisting
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var title: String {
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switch self {
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case .createNew:
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return "🌱 " + Strings.createNew
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case .importExisting:
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return Strings.importExisting
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}
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}
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}
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private weak var testnetsMenuItem: NSMenuItem?
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@IBOutlet weak var chainButtonHeightConstraint: NSLayoutConstraint!
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@IBOutlet weak var chainButtonContainer: NSView!
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@IBOutlet weak var chainButton: NSPopUpButton!
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@IBOutlet weak var addButton: NSButton! {
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didSet {
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let menu = NSMenu()
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addButton.menu = menu
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menu.delegate = self
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}
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}
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@IBOutlet weak var titleLabel: NSTextField!
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@IBOutlet weak var tableView: RightClickTableView! {
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didSet {
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tableView.delegate = self
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tableView.dataSource = self
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}
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}
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private var wallets: [TokenaryWallet] {
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return walletsManager.wallets
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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setupAccountsMenu()
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reloadHeader()
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updateCellModels()
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NotificationCenter.default.addObserver(self, selector: #selector(didBecomeActive), name: NSApplication.didBecomeActiveNotification, object: nil)
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}
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override func viewDidAppear() {
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super.viewDidAppear()
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blinkNewWalletCellIfNeeded()
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view.window?.delegate = self
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promptSafariForLegacyUsersIfNeeded()
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}
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private func promptSafariForLegacyUsersIfNeeded() {
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guard Defaults.shouldPromptSafariForLegacyUsers else { return }
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Defaults.shouldPromptSafariForLegacyUsers = false
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Alert.showSafariPrompt()
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}
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private func callCompletion(wallet: TokenaryWallet?) {
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if !didCallCompletion {
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didCallCompletion = true
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onSelectedWallet?(chain, wallet)
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}
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}
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private func setupAccountsMenu() {
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let menu = NSMenu()
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menu.delegate = self
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menu.addItem(NSMenuItem(title: Strings.copyAddress, action: #selector(didClickCopyAddress(_:)), keyEquivalent: ""))
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menu.addItem(NSMenuItem(title: Strings.viewOnEtherscan, action: #selector(didClickViewOnEtherscan(_:)), keyEquivalent: ""))
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menu.addItem(.separator())
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menu.addItem(NSMenuItem(title: Strings.showAccountKey, action: #selector(didClickExportAccount(_:)), keyEquivalent: ""))
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menu.addItem(NSMenuItem(title: Strings.removeAccount, action: #selector(didClickRemoveAccount(_:)), keyEquivalent: ""))
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tableView.menu = menu
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}
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private func reloadHeader() {
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let canSelectAccount = onSelectedWallet != nil && !wallets.isEmpty
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titleLabel.stringValue = canSelectAccount ? Strings.selectAccountTwoLines : Strings.accounts
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addButton.isHidden = wallets.isEmpty
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chainButtonHeightConstraint.constant = canSelectAccount ? 40 : 15
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chainButtonContainer.isHidden = !canSelectAccount
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if canSelectAccount, chainButton.menu?.items.isEmpty == true {
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let menu = NSMenu()
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for mainnet in EthereumChain.allMainnets {
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let item = NSMenuItem(title: mainnet.name, action: #selector(didSelectChain(_:)), keyEquivalent: "")
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item.tag = mainnet.id
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menu.addItem(item)
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}
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let submenuItem = NSMenuItem()
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submenuItem.title = Strings.testnets
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let submenu = NSMenu()
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for testnet in EthereumChain.allTestnets {
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let item = NSMenuItem(title: testnet.name, action: #selector(didSelectChain(_:)), keyEquivalent: "")
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item.tag = testnet.id
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submenu.addItem(item)
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}
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submenuItem.submenu = submenu
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menu.addItem(.separator())
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menu.addItem(submenuItem)
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testnetsMenuItem = submenuItem
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chainButton.menu = menu
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}
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}
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@objc private func didBecomeActive() {
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guard view.window?.isVisible == true else { return }
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if let completion = agent.getWalletSelectionCompletionIfShouldSelect() {
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onSelectedWallet = completion
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}
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reloadHeader()
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}
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@objc private func didSelectChain(_ sender: AnyObject) {
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guard let menuItem = sender as? NSMenuItem,
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let selectedChain = EthereumChain(rawValue: menuItem.tag) else { return }
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if let index = chainButton.menu?.index(of: menuItem), index < 0 {
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let submenu = menuItem.menu
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submenu?.removeItem(menuItem)
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if submenu?.items.isEmpty == true, let testnetsMenuItem = testnetsMenuItem {
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testnetsMenuItem.menu?.removeItem(testnetsMenuItem)
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self.testnetsMenuItem = nil
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}
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chainButton.menu?.addItem(menuItem)
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chainButton.select(menuItem)
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}
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chain = selectedChain
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}
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@IBAction func addButtonTapped(_ sender: NSButton) {
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let menu = sender.menu
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let createItem = NSMenuItem(title: "", action: #selector(didClickCreateAccount), keyEquivalent: "")
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let importItem = NSMenuItem(title: "", action: #selector(didClickImportAccount), keyEquivalent: "")
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let font = NSFont.systemFont(ofSize: 21, weight: .bold)
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createItem.attributedTitle = NSAttributedString(string: AddAccountOption.createNew.title, attributes: [.font: font])
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importItem.attributedTitle = NSAttributedString(string: AddAccountOption.importExisting.title, attributes: [.font: font])
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menu?.addItem(createItem)
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menu?.addItem(importItem)
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var origin = sender.frame.origin
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origin.x += sender.frame.width
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origin.y += sender.frame.height
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menu?.popUp(positioning: nil, at: origin, in: view)
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}
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@objc private func didClickCreateAccount() {
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let alert = Alert()
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alert.messageText = Strings.backUpNewAccount
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alert.informativeText = Strings.youWillSeeSecretWords
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alert.alertStyle = .critical
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alert.addButton(withTitle: Strings.ok)
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alert.addButton(withTitle: Strings.cancel)
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if alert.runModal() == .alertFirstButtonReturn {
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createNewAccountAndShowSecretWords()
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}
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}
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private func createNewAccountAndShowSecretWords() {
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guard let wallet = try? walletsManager.createWallet() else { return }
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newWalletId = wallet.id
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reloadHeader()
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updateCellModels()
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tableView.reloadData()
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blinkNewWalletCellIfNeeded()
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showKey(wallet: wallet, mnemonic: true)
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}
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private func blinkNewWalletCellIfNeeded() {
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guard let id = newWalletId else { return }
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newWalletId = nil
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guard let row = wallets.firstIndex(where: { $0.id == id }), row < cellModels.count else { return }
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tableView.scrollRowToVisible(row)
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(tableView.rowView(atRow: row, makeIfNecessary: true) as? AccountCellView)?.blink()
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}
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@objc private func didClickImportAccount() {
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let importViewController = instantiate(ImportViewController.self)
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importViewController.onSelectedWallet = onSelectedWallet
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view.window?.contentViewController = importViewController
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}
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@objc private func didClickViewOnEtherscan(_ sender: AnyObject) {
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let row = tableView.deselectedRow
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guard row >= 0, let address = wallets[row].ethereumAddress else { return }
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if let url = URL(string: "https://etherscan.io/address/\(address)") {
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NSWorkspace.shared.open(url)
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}
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}
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@objc private func didClickCopyAddress(_ sender: AnyObject) {
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let row = tableView.deselectedRow
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guard row >= 0, let address = wallets[row].ethereumAddress else { return }
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NSPasteboard.general.clearAndSetString(address)
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}
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@objc private func didClickRemoveAccount(_ sender: AnyObject) {
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let row = tableView.deselectedRow
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guard row >= 0 else { return }
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let alert = Alert()
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alert.messageText = Strings.removedAccountsCantBeRecovered
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alert.alertStyle = .critical
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alert.addButton(withTitle: Strings.removeAnyway)
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alert.addButton(withTitle: Strings.cancel)
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if alert.runModal() == .alertFirstButtonReturn {
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agent.askAuthentication(on: view.window, getBackTo: self, onStart: false, reason: .removeAccount) { [weak self] allowed in
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Window.activateWindow(self?.view.window)
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if allowed {
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self?.removeAccountAtIndex(row)
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}
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}
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}
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}
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@objc private func didClickExportAccount(_ sender: AnyObject) {
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let row = tableView.deselectedRow
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guard row >= 0 else { return }
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let isMnemonic = wallets[row].isMnemonic
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let alert = Alert()
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alert.messageText = "\(isMnemonic ? "Secret words give" : "Private key gives") full access to your funds."
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alert.alertStyle = .critical
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alert.addButton(withTitle: Strings.iUnderstandTheRisks)
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alert.addButton(withTitle: Strings.cancel)
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if alert.runModal() == .alertFirstButtonReturn {
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let reason: AuthenticationReason = isMnemonic ? .showSecretWords : .showPrivateKey
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agent.askAuthentication(on: view.window, getBackTo: self, onStart: false, reason: reason) { [weak self] allowed in
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Window.activateWindow(self?.view.window)
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if allowed {
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self?.showKey(index: row, mnemonic: isMnemonic)
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}
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}
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}
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}
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private func showKey(index: Int, mnemonic: Bool) {
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showKey(wallet: wallets[index], mnemonic: mnemonic)
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}
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private func showKey(wallet: TokenaryWallet, mnemonic: Bool) {
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let secret: String
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if mnemonic, let mnemonicString = try? walletsManager.exportMnemonic(wallet: wallet) {
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secret = mnemonicString
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} else if let data = try? walletsManager.exportPrivateKey(wallet: wallet) {
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secret = data.hexString
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} else {
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return
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}
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let alert = Alert()
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alert.messageText = mnemonic ? Strings.secretWords : Strings.privateKey
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alert.informativeText = secret
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alert.alertStyle = .informational
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alert.addButton(withTitle: Strings.ok)
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alert.addButton(withTitle: Strings.copy)
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if alert.runModal() != .alertFirstButtonReturn {
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NSPasteboard.general.clearAndSetString(secret)
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}
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}
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private func removeAccountAtIndex(_ index: Int) {
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let wallet = wallets[index]
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try? walletsManager.delete(wallet: wallet)
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reloadHeader()
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updateCellModels()
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tableView.reloadData()
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}
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private func updateCellModels() {
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if wallets.isEmpty {
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cellModels = [.addAccountOption(.createNew), .addAccountOption(.importExisting)]
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tableView.shouldShowRightClickMenu = false
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} else {
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cellModels = Array(repeating: CellModel.wallet, count: wallets.count)
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tableView.shouldShowRightClickMenu = true
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}
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}
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}
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extension AccountsListViewController: NSTableViewDelegate {
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func tableView(_ tableView: NSTableView, shouldSelectRow row: Int) -> Bool {
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guard tableView.selectedRow < 0 else { return false }
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let model = cellModels[row]
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switch model {
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case .wallet:
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let wallet = wallets[row]
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if onSelectedWallet != nil {
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callCompletion(wallet: wallet)
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} else {
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Timer.scheduledTimer(withTimeInterval: 0.01, repeats: false) { [weak self] _ in
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var point = NSEvent.mouseLocation
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point.x += 1
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self?.tableView.menu?.popUp(positioning: nil, at: point, in: nil)
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}
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}
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return true
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case let .addAccountOption(addAccountOption):
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switch addAccountOption {
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case .createNew:
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didClickCreateAccount()
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case .importExisting:
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didClickImportAccount()
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}
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return false
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}
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}
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}
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extension AccountsListViewController: NSTableViewDataSource {
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func tableView(_ tableView: NSTableView, rowViewForRow row: Int) -> NSTableRowView? {
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let model = cellModels[row]
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switch model {
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case .wallet:
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let wallet = wallets[row]
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let rowView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("AccountCellView"), owner: self) as? AccountCellView
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rowView?.setup(address: wallet.ethereumAddress ?? "")
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return rowView
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case let .addAccountOption(addAccountOption):
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let rowView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("AddAccountOptionCellView"), owner: self) as? AddAccountOptionCellView
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rowView?.setup(title: addAccountOption.title)
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return rowView
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}
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}
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func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat {
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if case .wallet = cellModels[row] {
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return 50
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} else {
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return 44
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}
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}
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func numberOfRows(in tableView: NSTableView) -> Int {
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return cellModels.count
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}
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}
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extension AccountsListViewController: NSMenuDelegate {
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func menuDidClose(_ menu: NSMenu) {
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if menu === addButton.menu {
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menu.removeAllItems()
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} else if menu === tableView.menu {
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tableView.deselectedRow = tableView.selectedRow
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tableView.deselectAll(nil)
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}
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}
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}
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extension AccountsListViewController: NSWindowDelegate {
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func windowWillClose(_ notification: Notification) {
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callCompletion(wallet: nil)
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}
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}
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