mirror of
https://github.com/vector-im/element-ios.git
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7b92f8a261
- update after review
107 lines
3.3 KiB
Swift
107 lines
3.3 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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