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https://github.com/Swiftgram/Telegram-iOS.git
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Refactor PeerInfoUI and related modules
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Peter
@@ -0,0 +1,214 @@
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import Foundation
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import UIKit
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import Display
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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 ItemListUI
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import AccountContext
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private final class GroupPreHistorySetupArguments {
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let toggle: (Bool) -> Void
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init(toggle: @escaping (Bool) -> Void) {
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self.toggle = toggle
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}
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}
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private enum GroupPreHistorySetupSection: Int32 {
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case info
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}
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private enum GroupPreHistorySetupEntry: ItemListNodeEntry {
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case header(PresentationTheme, String)
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case visible(PresentationTheme, String, Bool)
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case hidden(PresentationTheme, String, Bool)
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case info(PresentationTheme, String)
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var section: ItemListSectionId {
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return GroupPreHistorySetupSection.info.rawValue
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}
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var stableId: Int32 {
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switch self {
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case .header:
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return 0
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case .visible:
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return 1
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case .hidden:
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return 2
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case .info:
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return 3
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}
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}
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static func ==(lhs: GroupPreHistorySetupEntry, rhs: GroupPreHistorySetupEntry) -> Bool {
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switch lhs {
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case let .header(lhsTheme, lhsText):
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if case let .header(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
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return true
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} else {
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return false
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}
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case let .visible(lhsTheme, lhsText, lhsValue):
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if case let .visible(rhsTheme, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsText == rhsText, lhsValue == rhsValue {
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return true
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} else {
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return false
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}
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case let .hidden(lhsTheme, lhsText, lhsValue):
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if case let .hidden(rhsTheme, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsText == rhsText, lhsValue == rhsValue {
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return true
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} else {
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return false
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}
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case let .info(lhsTheme, lhsText):
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if case let .info(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
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return true
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} else {
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return false
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}
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}
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}
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static func <(lhs: GroupPreHistorySetupEntry, rhs: GroupPreHistorySetupEntry) -> Bool {
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return lhs.stableId < rhs.stableId
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}
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func item(_ arguments: GroupPreHistorySetupArguments) -> ListViewItem {
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switch self {
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case let .header(theme, text):
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return ItemListSectionHeaderItem(theme: theme, text: text, sectionId: self.section)
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case let .visible(theme, text, value):
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return ItemListCheckboxItem(theme: theme, title: text, style: .left, checked: value, zeroSeparatorInsets: false, sectionId: self.section, action: {
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arguments.toggle(true)
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})
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case let .hidden(theme, text, value):
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return ItemListCheckboxItem(theme: theme, title: text, style: .left, checked: value, zeroSeparatorInsets: false, sectionId: self.section, action: {
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arguments.toggle(false)
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})
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case let .info(theme, text):
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return ItemListTextItem(theme: theme, text: .markdown(text), sectionId: self.section)
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}
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}
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}
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private struct GroupPreHistorySetupState: Equatable {
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var changedValue: Bool?
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var applyingSetting: Bool = false
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}
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private func groupPreHistorySetupEntries(isSupergroup: Bool, presentationData: PresentationData, defaultValue: Bool, state: GroupPreHistorySetupState) -> [GroupPreHistorySetupEntry] {
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var entries: [GroupPreHistorySetupEntry] = []
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let value = state.changedValue ?? defaultValue
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entries.append(.header(presentationData.theme, presentationData.strings.Group_Setup_HistoryHeader))
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entries.append(.visible(presentationData.theme, presentationData.strings.Group_Setup_HistoryVisible, value))
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entries.append(.hidden(presentationData.theme, presentationData.strings.Group_Setup_HistoryHidden, !value))
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if isSupergroup {
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entries.append(.info(presentationData.theme, value ? presentationData.strings.Group_Setup_HistoryVisibleHelp : presentationData.strings.Group_Setup_HistoryHiddenHelp))
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} else {
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entries.append(.info(presentationData.theme, value ? presentationData.strings.Group_Setup_HistoryVisibleHelp : presentationData.strings.Group_Setup_BasicHistoryHiddenHelp))
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}
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return entries
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}
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public func groupPreHistorySetupController(context: AccountContext, peerId: PeerId, upgradedToSupergroup: @escaping (PeerId, @escaping () -> Void) -> Void) -> ViewController {
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let statePromise = ValuePromise(GroupPreHistorySetupState(), ignoreRepeated: true)
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let stateValue = Atomic(value: GroupPreHistorySetupState())
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let updateState: ((GroupPreHistorySetupState) -> GroupPreHistorySetupState) -> Void = { f in
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statePromise.set(stateValue.modify { f($0) })
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}
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var dismissImpl: (() -> Void)?
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let actionsDisposable = DisposableSet()
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let applyDisposable = MetaDisposable()
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actionsDisposable.add(applyDisposable)
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let arguments = GroupPreHistorySetupArguments(toggle: { value in
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updateState { state in
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var state = state
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state.changedValue = value
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return state
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}
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})
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let signal = combineLatest(context.sharedContext.presentationData, statePromise.get(), context.account.viewTracker.peerView(peerId))
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|> deliverOnMainQueue
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|> map { presentationData, state, view -> (ItemListControllerState, (ItemListNodeState<GroupPreHistorySetupEntry>, GroupPreHistorySetupEntry.ItemGenerationArguments)) in
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let defaultValue: Bool = (view.cachedData as? CachedChannelData)?.flags.contains(.preHistoryEnabled) ?? false
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let leftNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Cancel), style: .regular, enabled: true, action: {
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dismissImpl?()
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})
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var rightNavigationButton: ItemListNavigationButton?
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if state.applyingSetting {
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rightNavigationButton = ItemListNavigationButton(content: .none, style: .activity, enabled: true, action: {})
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} else {
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rightNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Done), style: .bold, enabled: true, action: {
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var value: Bool?
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updateState { state in
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var state = state
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state.applyingSetting = true
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value = state.changedValue
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return state
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}
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if let value = value, value != defaultValue {
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if peerId.namespace == Namespaces.Peer.CloudGroup {
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let signal = convertGroupToSupergroup(account: context.account, peerId: peerId)
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|> map(Optional.init)
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|> `catch` { _ -> Signal<PeerId?, NoError> in
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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 updateChannelHistoryAvailabilitySettingsInteractively(postbox: context.account.postbox, network: context.account.network, accountStateManager: context.account.stateManager, peerId: upgradedPeerId, historyAvailableForNewMembers: value)
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|> `catch` { _ -> Signal<Void, NoError> in
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return .complete()
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}
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|> mapToSignal { _ -> Signal<PeerId?, NoError> in
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return .complete()
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}
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|> then(.single(upgradedPeerId))
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}
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|> deliverOnMainQueue
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applyDisposable.set((signal
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|> deliverOnMainQueue).start(next: { upgradedPeerId in
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if let upgradedPeerId = upgradedPeerId {
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upgradedToSupergroup(upgradedPeerId, {
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dismissImpl?()
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})
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}
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}))
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} else {
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applyDisposable.set((updateChannelHistoryAvailabilitySettingsInteractively(postbox: context.account.postbox, network: context.account.network, accountStateManager: context.account.stateManager, peerId: peerId, historyAvailableForNewMembers: value)
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|> deliverOnMainQueue).start(completed: {
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dismissImpl?()
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}))
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}
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} else {
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dismissImpl?()
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}
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})
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}
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let controllerState = ItemListControllerState(theme: presentationData.theme, title: .text(presentationData.strings.Group_Setup_HistoryTitle), leftNavigationButton: leftNavigationButton, rightNavigationButton: rightNavigationButton, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back))
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let listState = ItemListNodeState(entries: groupPreHistorySetupEntries(isSupergroup: peerId.namespace == Namespaces.Peer.CloudChannel, presentationData: presentationData, defaultValue: defaultValue, state: state), style: .blocks)
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return (controllerState, (listState, arguments))
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}
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|> afterDisposed {
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actionsDisposable.dispose()
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}
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let controller = ItemListController(context: context, state: signal)
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dismissImpl = { [weak controller] in
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controller?.view.endEditing(true)
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controller?.dismiss()
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}
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return controller
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}
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