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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import UIKit | ||
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| protocol Web3PopupViewController: UIViewController { | ||
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| var onDismiss: (() -> Void)? { get set } | ||
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| func reject() | ||
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| } | ||
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| struct Web3PopupCoordinator { | ||
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| private class AlertController: UIAlertController { | ||
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| var onDismiss: (() -> Void)? | ||
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| override func viewDidDisappear(_ animated: Bool) { | ||
| super.viewDidDisappear(animated) | ||
| onDismiss?() | ||
| } | ||
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| } | ||
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| enum Popup { | ||
| case unlock(UnlockWeb3WalletViewController) | ||
| case request(Web3PopupViewController) | ||
| case rejection(title: String, message: String) | ||
| } | ||
|
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| private static var popups: [Popup] = [] | ||
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| static func enqueue(popup: Popup) { | ||
| popups.append(popup) | ||
| if popups.count == 1 { | ||
| presentNextPopupIfNeeded() | ||
| } | ||
| } | ||
|
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| static func rejectAllPopups() { | ||
| for popup in popups { | ||
| switch popup { | ||
| case .request(let controller): | ||
| controller.reject() | ||
| case .unlock, .rejection: | ||
| break | ||
| } | ||
| } | ||
| popups = [] | ||
| } | ||
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| private static func presentNextPopupIfNeeded() { | ||
| guard let container = UIApplication.homeContainerViewController else { | ||
| return | ||
| } | ||
| guard let popup = popups.first else { | ||
| return | ||
| } | ||
| let viewController: UIViewController | ||
| switch popup { | ||
| case .unlock(let controller): | ||
| // TODO: Tell user subsequent request will fail if not approved | ||
| controller.onDismiss = { | ||
| popups.removeFirst() | ||
| if controller.isUnlocked { | ||
| presentNextPopupIfNeeded() | ||
| } else { | ||
| rejectAllPopups() | ||
| } | ||
| } | ||
| viewController = controller | ||
| case .request(let controller): | ||
| controller.onDismiss = { | ||
| popups.removeFirst() | ||
| presentNextPopupIfNeeded() | ||
| } | ||
| viewController = controller | ||
| case .rejection(let title, let message): | ||
| let alert = AlertController(title: title, message: message, preferredStyle: .alert) | ||
| alert.addAction(UIAlertAction(title: R.string.localizable.ok(), style: .cancel)) | ||
| alert.onDismiss = { | ||
| popups.removeFirst() | ||
| presentNextPopupIfNeeded() | ||
| } | ||
| viewController = alert | ||
| } | ||
| container.presentOnTopMostPresentedController(viewController, animated: true) | ||
| } | ||
|
|
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| } |
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