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63 lines
2 KiB
Swift
63 lines
2 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 SwiftUI
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/**
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UIHostingController that applies some app-level specific configuration
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(E.g. `vectorContent` modifier and themeing to the NavigationController container.
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*/
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@available(iOS 14.0, *)
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class VectorHostingController: UIHostingController<AnyView> {
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// MARK: Private
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private var theme: Theme
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init<Content>(rootView: Content) where Content: View {
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self.theme = ThemeService.shared().theme
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super.init(rootView: AnyView(rootView.vectorContent()))
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("VectorHostingViewController does not currently support init from nibs")
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}
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// MARK: - Life cycle
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override func viewDidLoad() {
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super.viewDidLoad()
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self.registerThemeServiceDidChangeThemeNotification()
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self.update(theme: self.theme)
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}
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private func registerThemeServiceDidChangeThemeNotification() {
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NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
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}
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@objc private func themeDidChange() {
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self.update(theme: ThemeService.shared().theme)
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}
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private func update(theme: Theme) {
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self.view.backgroundColor = theme.headerBackgroundColor
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if let navigationBar = self.navigationController?.navigationBar {
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theme.applyStyle(onNavigationBar: navigationBar)
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}
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}
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}
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