mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-07-18 17:21:08 +00:00
594 lines
28 KiB
Swift
594 lines
28 KiB
Swift
import Foundation
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import UIKit
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import Photos
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import Display
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import AsyncDisplayKit
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import SwiftSignalKit
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import Postbox
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import TelegramCore
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import TelegramPresentationData
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import TelegramUIPreferences
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import PresentationDataUtils
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import AccountContext
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import ComponentFlow
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import ViewControllerComponent
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import MultilineTextComponent
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import BalancedTextComponent
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import ListSectionComponent
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import ListActionItemComponent
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import BundleIconComponent
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import LottieComponent
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import PlainButtonComponent
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import TelegramStringFormatting
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import Markdown
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final class ForumSettingsScreenComponent: Component {
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typealias EnvironmentType = ViewControllerComponentContainer.Environment
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let context: AccountContext
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let peerId: EnginePeer.Id
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init(
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context: AccountContext,
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peerId: EnginePeer.Id
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) {
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self.context = context
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self.peerId = peerId
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}
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static func ==(lhs: ForumSettingsScreenComponent, rhs: ForumSettingsScreenComponent) -> Bool {
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if lhs.context !== rhs.context {
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return false
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}
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return true
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}
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private final class ScrollView: UIScrollView {
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override func touchesShouldCancel(in view: UIView) -> Bool {
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return true
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}
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}
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final class View: UIView, UIScrollViewDelegate {
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private let topOverscrollLayer = SimpleLayer()
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private let scrollView: ScrollView
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private let navigationTitle = ComponentView<Empty>()
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private let icon = ComponentView<Empty>()
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private let subtitle = ComponentView<Empty>()
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private let generalSection = ComponentView<Empty>()
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private let modeSection = ComponentView<Empty>()
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private var ignoreScrolling: Bool = false
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private var isUpdating: Bool = false
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private var component: ForumSettingsScreenComponent?
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private(set) weak var state: EmptyComponentState?
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private var environment: EnvironmentType?
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private var peer: EnginePeer?
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private var peerDisposable: Disposable?
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private var peerIdPromise = ValuePromise<EnginePeer.Id>()
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private var isOn = false
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private var mode: ForumModeComponent.Mode = .tabs
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private var initialOnMode: ForumModeComponent.Mode?
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override init(frame: CGRect) {
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self.scrollView = ScrollView()
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self.scrollView.showsVerticalScrollIndicator = true
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self.scrollView.showsHorizontalScrollIndicator = false
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self.scrollView.scrollsToTop = false
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self.scrollView.delaysContentTouches = false
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self.scrollView.canCancelContentTouches = true
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self.scrollView.contentInsetAdjustmentBehavior = .never
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if #available(iOS 13.0, *) {
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self.scrollView.automaticallyAdjustsScrollIndicatorInsets = false
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}
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self.scrollView.alwaysBounceVertical = true
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super.init(frame: frame)
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self.scrollView.delegate = self
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self.addSubview(self.scrollView)
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self.scrollView.layer.addSublayer(self.topOverscrollLayer)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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deinit {
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self.peerDisposable?.dispose()
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}
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func scrollToTop() {
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self.scrollView.setContentOffset(CGPoint(), animated: true)
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}
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func scrollViewDidScroll(_ scrollView: UIScrollView) {
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if !self.ignoreScrolling {
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self.updateScrolling(transition: .immediate)
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}
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}
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var scrolledUp = true
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private func updateScrolling(transition: ComponentTransition) {
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let navigationRevealOffsetY: CGFloat = 0.0
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let navigationAlphaDistance: CGFloat = 16.0
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let navigationAlpha: CGFloat = max(0.0, min(1.0, (self.scrollView.contentOffset.y - navigationRevealOffsetY) / navigationAlphaDistance))
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if let controller = self.environment?.controller(), let navigationBar = controller.navigationBar {
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transition.setAlpha(layer: navigationBar.backgroundNode.layer, alpha: navigationAlpha)
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transition.setAlpha(layer: navigationBar.stripeNode.layer, alpha: navigationAlpha)
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}
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var scrolledUp = false
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if navigationAlpha < 0.5 {
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scrolledUp = true
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} else if navigationAlpha > 0.5 {
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scrolledUp = false
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}
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if self.scrolledUp != scrolledUp {
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self.scrolledUp = scrolledUp
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if !self.isUpdating {
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self.state?.updated()
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}
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}
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if let navigationTitleView = self.navigationTitle.view {
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transition.setAlpha(view: navigationTitleView, alpha: 1.0)
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}
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}
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func toggleTopicsEnabled(_ enabled: Bool) {
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self.isOn = enabled
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self.state?.updated(transition: .spring(duration: 0.4))
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}
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func attemptNavigation(complete: @escaping () -> Void) -> Bool {
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guard let component = self.component, let peer = self.peer else {
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return true
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}
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var isUpdated = false
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if self.isOn {
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if let initialOnMode = self.initialOnMode {
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if initialOnMode != self.mode {
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isUpdated = true
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}
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} else {
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isUpdated = true
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}
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} else {
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if self.initialOnMode != nil {
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isUpdated = true
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}
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}
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if isUpdated {
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if let controller = self.environment?.controller(), let navigationController = controller.navigationController as? NavigationController {
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var viewControllers = navigationController.viewControllers
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if self.isOn && self.mode == .list {
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for i in 0 ..< viewControllers.count {
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if let chatController = viewControllers[i] as? ChatController, chatController.chatLocation.peerId == component.peerId {
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let chatListController = component.context.sharedContext.makeChatListController(context: component.context, location: .forum(peerId: component.peerId), controlsHistoryPreload: false, hideNetworkActivityStatus: false, previewing: false, enableDebugActions: false)
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viewControllers[i] = chatListController
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}
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}
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navigationController.setViewControllers(viewControllers, animated: false)
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} else {
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for i in (0 ..< viewControllers.count).reversed() {
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if let chatListController = viewControllers[i] as? ChatListController, chatListController.location == .forum(peerId: component.peerId) {
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viewControllers.remove(at: i)
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}
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}
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navigationController.setViewControllers(viewControllers, animated: false)
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if let baseController = navigationController as? TelegramRootControllerInterface, let chatListController = baseController.getChatsController() as? ChatListController {
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chatListController.resetForumStackIfOpen()
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}
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}
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}
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if self.isOn {
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if case .legacyGroup = peer {
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let context = component.context
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let mode = self.mode
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let signal: Signal<EnginePeer.Id?, NoError> = context.engine.peers.convertGroupToSupergroup(peerId: peer.id, additionalProcessing: { upgradedPeerId -> Signal<Never, NoError> in
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return context.engine.peers.setChannelForumMode(id: upgradedPeerId, isForum: true, displayForumAsTabs: mode == .tabs)
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})
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|> map(Optional.init)
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|> `catch` { [weak self] error -> Signal<PeerId?, NoError> in
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guard let self, let controller = self.environment?.controller() else {
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return .single(nil)
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}
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switch error {
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case .tooManyChannels:
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Queue.mainQueue().async {
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let oldChannelsController = context.sharedContext.makeOldChannelsController(context: context, updatedPresentationData: nil, intent: .upgrade, completed: { result in
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})
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controller.push(oldChannelsController)
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}
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default:
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break
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}
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return .single(nil)
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}
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|> mapToSignal { upgradedPeerId -> Signal<PeerId?, NoError> in
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guard let upgradedPeerId = upgradedPeerId else {
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return .single(nil)
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}
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return .single(upgradedPeerId)
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}
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|> deliverOnMainQueue
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let _ = signal.startStandalone(next: { [weak self] resultPeerId in
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guard let self else {
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return
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}
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if let resultPeerId {
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self.peerIdPromise.set(resultPeerId)
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} else {
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self.isOn = false
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self.state?.updated(transition: .easeInOut(duration: 0.2))
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}
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self.environment?.controller()?.dismiss()
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})
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return false
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} else {
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let _ = component.context.engine.peers.setChannelForumMode(id: component.peerId, isForum: true, displayForumAsTabs: self.mode == .tabs).startStandalone()
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}
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} else {
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let _ = component.context.engine.peers.setChannelForumMode(id: component.peerId, isForum: false, displayForumAsTabs: false).startStandalone()
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}
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}
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return true
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}
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func update(component: ForumSettingsScreenComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: ComponentTransition) -> CGSize {
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self.isUpdating = true
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defer {
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self.isUpdating = false
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}
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if self.component == nil {
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self.peerIdPromise.set(component.peerId)
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self.peerDisposable = (self.peerIdPromise.get()
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|> mapToSignal { peerId in
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component.context.engine.data.get(TelegramEngine.EngineData.Item.Peer.Peer(id: peerId))
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}
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|> deliverOnMainQueue).start(next: { [weak self] peer in
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guard let self else {
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return
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}
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self.peer = peer
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if case let .channel(channel) = peer {
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self.isOn = channel.flags.contains(.isForum)
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if self.isOn {
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self.mode = channel.flags.contains(.displayForumAsTabs) ? .tabs : .list
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self.initialOnMode = self.mode
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} else {
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self.initialOnMode = nil
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}
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}
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self.state?.updated()
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})
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}
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let environment = environment[EnvironmentType.self].value
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let themeUpdated = self.environment?.theme !== environment.theme
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self.environment = environment
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self.component = component
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self.state = state
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let alphaTransition: ComponentTransition = transition.animation.isImmediate ? transition : transition.withAnimation(.curve(duration: 0.25, curve: .easeInOut))
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if themeUpdated {
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self.backgroundColor = environment.theme.list.blocksBackgroundColor
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}
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let presentationData = component.context.sharedContext.currentPresentationData.with { $0 }
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let navigationTitleSize = self.navigationTitle.update(
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transition: transition,
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component: AnyComponent(MultilineTextComponent(
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text: .plain(NSAttributedString(string: environment.strings.PeerInfo_Topics_Title, font: Font.semibold(17.0), textColor: environment.theme.rootController.navigationBar.primaryTextColor)),
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horizontalAlignment: .center
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)),
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environment: {},
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containerSize: CGSize(width: availableSize.width, height: 100.0)
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)
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let navigationTitleFrame = CGRect(origin: CGPoint(x: floor((availableSize.width - navigationTitleSize.width) / 2.0), y: environment.statusBarHeight + floor((environment.navigationHeight - environment.statusBarHeight - navigationTitleSize.height) / 2.0)), size: navigationTitleSize)
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if let navigationTitleView = self.navigationTitle.view {
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if navigationTitleView.superview == nil {
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if let controller = self.environment?.controller(), let navigationBar = controller.navigationBar {
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navigationBar.view.addSubview(navigationTitleView)
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}
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}
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transition.setFrame(view: navigationTitleView, frame: navigationTitleFrame)
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}
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let bottomContentInset: CGFloat = 24.0
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let sideInset: CGFloat = 16.0 + environment.safeInsets.left
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let sectionSpacing: CGFloat = 32.0
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var contentHeight: CGFloat = 0.0
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contentHeight += environment.navigationHeight
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let iconSize = self.icon.update(
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transition: .immediate,
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component: AnyComponent(LottieComponent(
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content: LottieComponent.AppBundleContent(name: "Topics"),
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loop: false
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)),
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environment: {},
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containerSize: CGSize(width: 100.0, height: 100.0)
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)
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let iconFrame = CGRect(origin: CGPoint(x: floor((availableSize.width - iconSize.width) * 0.5), y: contentHeight + 8.0), size: iconSize)
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if let iconView = self.icon.view as? LottieComponent.View {
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if iconView.superview == nil {
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self.scrollView.addSubview(iconView)
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iconView.playOnce()
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}
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transition.setPosition(view: iconView, position: iconFrame.center)
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iconView.bounds = CGRect(origin: CGPoint(), size: iconFrame.size)
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}
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contentHeight += 124.0
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let subtitleString = NSMutableAttributedString(attributedString: parseMarkdownIntoAttributedString(environment.strings.PeerInfo_Topics_EnableTopicsInfo, attributes: MarkdownAttributes(
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body: MarkdownAttributeSet(font: Font.regular(15.0), textColor: environment.theme.list.freeTextColor),
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bold: MarkdownAttributeSet(font: Font.semibold(15.0), textColor: environment.theme.list.freeTextColor),
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link: MarkdownAttributeSet(font: Font.regular(15.0), textColor: environment.theme.list.itemAccentColor),
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linkAttribute: { attributes in
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return ("URL", "")
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}), textAlignment: .center
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))
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let subtitleSize = self.subtitle.update(
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transition: .immediate,
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component: AnyComponent(BalancedTextComponent(
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text: .plain(subtitleString),
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horizontalAlignment: .center,
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maximumNumberOfLines: 0,
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lineSpacing: 0.25,
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highlightColor: environment.theme.list.itemAccentColor.withMultipliedAlpha(0.1),
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highlightAction: { attributes in
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if let _ = attributes[NSAttributedString.Key(rawValue: "URL")] {
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return NSAttributedString.Key(rawValue: "URL")
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} else {
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return nil
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}
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},
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tapAction: { [weak self] _, _ in
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guard let self, let component = self.component else {
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return
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}
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let _ = component
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}
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)),
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environment: {},
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containerSize: CGSize(width: availableSize.width - sideInset * 2.0, height: 1000.0)
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)
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let subtitleFrame = CGRect(origin: CGPoint(x: floor((availableSize.width - subtitleSize.width) * 0.5), y: contentHeight), size: subtitleSize)
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if let subtitleView = self.subtitle.view {
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if subtitleView.superview == nil {
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self.scrollView.addSubview(subtitleView)
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}
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transition.setPosition(view: subtitleView, position: subtitleFrame.center)
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subtitleView.bounds = CGRect(origin: CGPoint(), size: subtitleFrame.size)
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}
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contentHeight += subtitleSize.height
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contentHeight += 27.0
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var generalSectionItems: [AnyComponentWithIdentity<Empty>] = []
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generalSectionItems.append(AnyComponentWithIdentity(id: 0, component: AnyComponent(ListActionItemComponent(
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theme: environment.theme,
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title: AnyComponent(VStack([
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AnyComponentWithIdentity(id: AnyHashable(0), component: AnyComponent(MultilineTextComponent(
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text: .plain(NSAttributedString(
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string: environment.strings.PeerInfo_Topics_EnableTopics,
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font: Font.regular(presentationData.listsFontSize.baseDisplaySize),
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textColor: environment.theme.list.itemPrimaryTextColor
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)),
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maximumNumberOfLines: 1
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))),
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], alignment: .left, spacing: 2.0)),
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accessory: .toggle(ListActionItemComponent.Toggle(style: .regular, isOn: self.isOn, action: { [weak self] value in
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guard let self else {
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return
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}
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self.toggleTopicsEnabled(value)
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})),
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action: nil
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))))
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let generalSectionSize = self.generalSection.update(
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transition: transition,
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component: AnyComponent(ListSectionComponent(
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theme: environment.theme,
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header: nil,
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footer: nil,
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items: generalSectionItems
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)),
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environment: {},
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containerSize: CGSize(width: availableSize.width - sideInset * 2.0, height: 10000.0)
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)
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let generalSectionFrame = CGRect(origin: CGPoint(x: sideInset, y: contentHeight), size: generalSectionSize)
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if let generalSectionView = self.generalSection.view {
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if generalSectionView.superview == nil {
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self.scrollView.addSubview(generalSectionView)
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}
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transition.setFrame(view: generalSectionView, frame: generalSectionFrame)
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}
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contentHeight += generalSectionSize.height
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contentHeight += sectionSpacing
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var otherSectionsHeight: CGFloat = 0.0
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let modeSectionSize = self.modeSection.update(
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transition: transition,
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component: AnyComponent(ListSectionComponent(
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theme: environment.theme,
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header: AnyComponent(MultilineTextComponent(
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text: .plain(NSAttributedString(
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string: environment.strings.PeerInfo_Topics_DisplayAs,
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font: Font.regular(presentationData.listsFontSize.itemListBaseHeaderFontSize),
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textColor: environment.theme.list.freeTextColor
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)),
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maximumNumberOfLines: 0
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)),
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footer: AnyComponent(MultilineTextComponent(
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text: .markdown(
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text: environment.strings.PeerInfo_Topics_DisplayAsInfo,
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attributes: MarkdownAttributes(
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body: MarkdownAttributeSet(font: Font.regular(presentationData.listsFontSize.itemListBaseHeaderFontSize), textColor: environment.theme.list.freeTextColor),
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bold: MarkdownAttributeSet(font: Font.semibold(presentationData.listsFontSize.itemListBaseHeaderFontSize), textColor: environment.theme.list.freeTextColor),
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link: MarkdownAttributeSet(font: Font.regular(presentationData.listsFontSize.itemListBaseHeaderFontSize), textColor: environment.theme.list.itemAccentColor),
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linkAttribute: { _ in
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return nil
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}
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)
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),
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maximumNumberOfLines: 0
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)),
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items: [
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AnyComponentWithIdentity(
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id: 0,
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component: AnyComponent(
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ForumModeComponent(
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theme: environment.theme,
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strings: environment.strings,
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mode: self.isOn ? self.mode : nil,
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modeUpdated: { [weak self] mode in
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guard let self else {
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return
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}
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self.mode = mode
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self.state?.updated(transition: .spring(duration: 0.4))
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}
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)
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)
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)
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]
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)),
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environment: {},
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containerSize: CGSize(width: availableSize.width - sideInset * 2.0, height: 10000.0)
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)
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let modeSectionFrame = CGRect(origin: CGPoint(x: sideInset, y: contentHeight + otherSectionsHeight), size: modeSectionSize)
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if let modeSectionView = self.modeSection.view {
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if modeSectionView.superview == nil {
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modeSectionView.layer.allowsGroupOpacity = true
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self.scrollView.addSubview(modeSectionView)
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}
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transition.setFrame(view: modeSectionView, frame: modeSectionFrame)
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alphaTransition.setAlpha(view: modeSectionView, alpha: self.isOn ? 1.0 : 0.0)
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}
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otherSectionsHeight += modeSectionSize.height
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otherSectionsHeight += sectionSpacing
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if self.isOn {
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contentHeight += otherSectionsHeight
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|
}
|
|
|
|
contentHeight += bottomContentInset
|
|
contentHeight += environment.safeInsets.bottom
|
|
|
|
let previousBounds = self.scrollView.bounds
|
|
|
|
let contentSize = CGSize(width: availableSize.width, height: contentHeight)
|
|
self.ignoreScrolling = true
|
|
if self.scrollView.frame != CGRect(origin: CGPoint(), size: availableSize) {
|
|
self.scrollView.frame = CGRect(origin: CGPoint(), size: availableSize)
|
|
}
|
|
if self.scrollView.contentSize != contentSize {
|
|
self.scrollView.contentSize = contentSize
|
|
}
|
|
let scrollInsets = UIEdgeInsets(top: environment.navigationHeight, left: 0.0, bottom: 0.0, right: 0.0)
|
|
if self.scrollView.verticalScrollIndicatorInsets != scrollInsets {
|
|
self.scrollView.verticalScrollIndicatorInsets = scrollInsets
|
|
}
|
|
self.ignoreScrolling = false
|
|
|
|
if !previousBounds.isEmpty, !transition.animation.isImmediate {
|
|
let bounds = self.scrollView.bounds
|
|
if bounds.maxY != previousBounds.maxY {
|
|
let offsetY = previousBounds.maxY - bounds.maxY
|
|
transition.animateBoundsOrigin(view: self.scrollView, from: CGPoint(x: 0.0, y: offsetY), to: CGPoint(), additive: true)
|
|
}
|
|
}
|
|
|
|
self.topOverscrollLayer.frame = CGRect(origin: CGPoint(x: 0.0, y: -3000.0), size: CGSize(width: availableSize.width, height: 3000.0))
|
|
|
|
self.updateScrolling(transition: transition)
|
|
|
|
return availableSize
|
|
}
|
|
}
|
|
|
|
func makeView() -> View {
|
|
return View()
|
|
}
|
|
|
|
func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: ComponentTransition) -> CGSize {
|
|
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
|
|
}
|
|
}
|
|
|
|
public final class ForumSettingsScreen: ViewControllerComponentContainer {
|
|
private let context: AccountContext
|
|
|
|
public init(context: AccountContext, peerId: EnginePeer.Id) {
|
|
self.context = context
|
|
|
|
super.init(context: context, component: ForumSettingsScreenComponent(
|
|
context: context,
|
|
peerId: peerId
|
|
), navigationBarAppearance: .default, theme: .default, updatedPresentationData: nil)
|
|
|
|
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
|
|
self.title = ""
|
|
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: presentationData.strings.Common_Back, style: .plain, target: nil, action: nil)
|
|
|
|
self.scrollToTop = { [weak self] in
|
|
guard let self, let componentView = self.node.hostView.componentView as? ForumSettingsScreenComponent.View else {
|
|
return
|
|
}
|
|
componentView.scrollToTop()
|
|
}
|
|
|
|
self.attemptNavigation = { [weak self] complete in
|
|
guard let self, let componentView = self.node.hostView.componentView as? ForumSettingsScreenComponent.View else {
|
|
return true
|
|
}
|
|
|
|
return componentView.attemptNavigation(complete: complete)
|
|
}
|
|
}
|
|
|
|
required public init(coder aDecoder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
|
|
deinit {
|
|
}
|
|
|
|
@objc private func cancelPressed() {
|
|
self.dismiss()
|
|
}
|
|
|
|
override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
|
|
super.containerLayoutUpdated(layout, transition: transition)
|
|
}
|
|
}
|