99 lines
2.8 KiB
Swift
99 lines
2.8 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import Foundation
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import WeakDictionary
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class TabBarRouter: NSObject, TabbedRouterType {
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// MARK: - Properties
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// MARK: Private
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private let tabBarController: UITabBarController
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/// Stores the association between the added Presentable and his view controller.
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/// They can be the same if the controller is not added via his Coordinator or it is a simple UIViewController.
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private var storedModules = WeakDictionary<UIViewController, AnyObject>()
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// MARK: Public
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/// Returns the presentables associated to each view controller
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var tabs: [TabbedRouterTab] = [] {
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didSet {
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guard !tabs.isEmpty else {
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tabBarController.viewControllers = nil
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return
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}
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tabBarController.viewControllers = tabs.compactMap({ tab in
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let viewController = tab.module.toPresentable()
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guard viewController is UITabBarController == false else {
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return nil
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}
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if tab.title != nil || tab.icon != nil {
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viewController.tabBarItem.title = tab.title
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viewController.tabBarItem.image = tab.icon
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}
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return viewController
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})
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}
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}
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/// Return the view controllers stack
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var viewControllers: [UIViewController] {
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return tabBarController.viewControllers ?? []
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}
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// MARK: - Setup
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init(tabBarController: UITabBarController = UITabBarController(), tabs: [TabbedRouterTab]? = nil) {
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self.tabBarController = tabBarController
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super.init()
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self.tabBarController.delegate = self
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if let tabs = tabs {
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self.tabs = tabs
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}
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}
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// MARK: - Public
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func presentModule(_ module: Presentable, animated: Bool, completion: (() -> Void)?) {
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MXLog.debug("[TabBarRouter] Present \(module)")
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tabBarController.present(module.toPresentable(), animated: animated, completion: nil)
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}
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func dismissModule(animated: Bool, completion: (() -> Void)?) {
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tabBarController.dismiss(animated: animated, completion: completion)
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}
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// MARK: Presentable
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func toPresentable() -> UIViewController {
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return tabBarController
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}
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// MARK: - Private
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private func module(for viewController: UIViewController) -> Presentable {
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guard let module = self.storedModules[viewController] as? Presentable else {
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return viewController
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}
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return module
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}
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}
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extension TabBarRouter: UITabBarControllerDelegate {
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}
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