mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
396 lines
19 KiB
Swift
396 lines
19 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Display
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import SwiftSignalKit
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import TelegramCore
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import AccountContext
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import TelegramStringFormatting
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import TelegramPresentationData
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import Markdown
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import AlertUI
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public func giveawayInfoController(context: AccountContext, updatedPresentationData: (initial: PresentationData, signal: Signal<PresentationData, NoError>)? = nil, message: EngineMessage, giveawayInfo: PremiumGiveawayInfo) -> ViewController? {
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guard let giveaway = message.media.first(where: { $0 is TelegramMediaGiveaway }) as? TelegramMediaGiveaway else {
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return nil
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}
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let presentationData = context.sharedContext.currentPresentationData.with { $0 }
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var peerName = ""
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if let peerId = giveaway.channelPeerIds.first, let peer = message.peers[peerId] {
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peerName = EnginePeer(peer).compactDisplayTitle
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}
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let untilDate = stringForDate(timestamp: giveaway.untilDate, strings: presentationData.strings)
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let title: String
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let text: String
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var warning: String?
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var dismissImpl: (() -> Void)?
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var actions: [TextAlertAction] = [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {
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dismissImpl?()
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})]
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switch giveawayInfo {
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case let .ongoing(start, status):
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let startDate = stringForDate(timestamp: start, strings: presentationData.strings)
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title = presentationData.strings.Chat_Giveaway_Info_Title
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let intro: String
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if case .almostOver = status {
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intro = "The giveaway was sponsored by the admins of **\(peerName)**, who acquired **\(giveaway.quantity) Telegram Premium** subscriptions for **\(giveaway.months)** months for its followers."
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} else {
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intro = "The giveaway is sponsored by the admins of **\(peerName)**, who acquired **\(giveaway.quantity) Telegram Premium** subscriptions for **\(giveaway.months)** months for its followers."
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}
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let ending: String
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if giveaway.flags.contains(.onlyNewSubscribers) {
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if giveaway.channelPeerIds.count > 1 {
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ending = "On **\(untilDate)**, Telegram will automatically select **\(giveaway.quantity)** random users that joined **\(peerName)** and **\(giveaway.channelPeerIds.count - 1)** other listed channels after **\(startDate)**."
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} else {
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ending = "On **\(untilDate)**, Telegram will automatically select **\(giveaway.quantity)** random users that joined **\(peerName)** after **\(startDate)**."
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}
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} else {
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if giveaway.channelPeerIds.count > 1 {
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ending = "On **\(untilDate)**, Telegram will automatically select **\(giveaway.quantity)** random subscribers of **\(peerName)** and **\(giveaway.channelPeerIds.count - 1)** other listed channels."
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} else {
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ending = "On **\(untilDate)**, Telegram will automatically select **\(giveaway.quantity)** random subscribers of **\(peerName)**."
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}
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}
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var participation: String
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switch status {
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case .notQualified:
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if giveaway.channelPeerIds.count > 1 {
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participation = "To take part in this giveaway please join the channel **\(peerName)** (**\(giveaway.channelPeerIds.count - 1)** other listed channels) before **\(untilDate)**."
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} else {
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participation = "To take part in this giveaway please join the channel **\(peerName)** before **\(untilDate)**."
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}
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case let .notAllowed(reason):
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switch reason {
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case let .joinedTooEarly(joinedOn):
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let joinDate = stringForDate(timestamp: joinedOn, strings: presentationData.strings)
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participation = "You are not eligible to participate in this giveaway, because you joined this channel on **\(joinDate)**, which is before the contest started."
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case let .channelAdmin(adminId):
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let _ = adminId
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participation = "You are not eligible to participate in this giveaway, because you are an admin of participating channel (**\(peerName)**)."
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case let .disallowedCountry(countryCode):
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let _ = countryCode
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participation = "You are not eligible to participate in this giveaway, because your country is not included in the terms of the giveaway."
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}
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case .participating:
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if giveaway.channelPeerIds.count > 1 {
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participation = "You are participating in this giveaway, because you have joined the channel **\(peerName)** (**\(giveaway.channelPeerIds.count - 1)** other listed channels)."
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} else {
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participation = "You are participating in this giveaway, because you have joined the channel **\(peerName)**."
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}
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case .almostOver:
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participation = presentationData.strings.Chat_Giveaway_Info_AlmostOver
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}
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if !participation.isEmpty {
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participation = "\n\n\(participation)"
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}
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text = "\(intro)\n\n\(ending)\(participation)"
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case let .finished(status, start, finish, _, activatedCount):
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let startDate = stringForDate(timestamp: start, strings: presentationData.strings)
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let finishDate = stringForDate(timestamp: finish, strings: presentationData.strings)
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title = presentationData.strings.Chat_Giveaway_Info_EndedTitle
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let intro = "The giveaway was sponsored by the admins of **\(peerName)**, who acquired **\(giveaway.quantity) Telegram Premium** subscriptions for **\(giveaway.months)** months for its followers."
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var ending: String
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if giveaway.flags.contains(.onlyNewSubscribers) {
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if giveaway.channelPeerIds.count > 1 {
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ending = "On **\(finishDate)**, Telegram automatically selected **\(giveaway.quantity)** random users that joined **\(peerName)** and other listed channels after **\(startDate)**."
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} else {
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ending = "On **\(finishDate)**, Telegram automatically selected **\(giveaway.quantity)** random users that joined **\(peerName)** after **\(startDate)**."
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}
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} else {
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if giveaway.channelPeerIds.count > 1 {
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ending = "On **\(finishDate)**, Telegram automatically selected **\(giveaway.quantity)** random subscribers of **\(peerName)** and other listed channels."
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} else {
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ending = "On **\(finishDate)**, Telegram automatically selected **\(giveaway.quantity)** random subscribers of **\(peerName)**."
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}
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}
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if activatedCount > 0 {
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ending += " " + presentationData.strings.Chat_Giveaway_Info_ActivatedLinks(activatedCount)
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}
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var result: String
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switch status {
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case .refunded:
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result = ""
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warning = presentationData.strings.Chat_Giveaway_Info_Refunded
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actions = [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_Close, action: {
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dismissImpl?()
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})]
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case .notWon:
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result = "\n\n" + presentationData.strings.Chat_Giveaway_Info_DidntWin
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case let .won(slug):
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result = "\n\n" + presentationData.strings.Chat_Giveaway_Info_Won("🏆").string
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let _ = slug
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actions = [TextAlertAction(type: .defaultAction, title: presentationData.strings.Chat_Giveaway_Info_ViewPrize, action: {
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dismissImpl?()
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}), TextAlertAction(type: .genericAction, title: presentationData.strings.Common_Cancel, action: {
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dismissImpl?()
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})]
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}
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text = "\(intro)\n\n\(ending)\(result)"
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}
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let alertController = giveawayInfoAlertController(
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context: context,
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updatedPresentationData: updatedPresentationData,
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title: title,
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text: text,
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warning: warning,
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actions: actions
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)
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dismissImpl = { [weak alertController] in
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alertController?.dismissAnimated()
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}
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return alertController
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}
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private final class GiveawayInfoAlertContentNode: AlertContentNode {
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private let title: String
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private let text: String
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private let warning: String?
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private let titleNode: ASTextNode
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private let textNode: ASTextNode
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fileprivate let warningBackgroundNode: ASImageNode
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fileprivate let warningTextNode: ImmediateTextNode
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private let actionNodesSeparator: ASDisplayNode
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private let actionNodes: [TextAlertContentActionNode]
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private let actionVerticalSeparators: [ASDisplayNode]
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private var validLayout: CGSize?
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public var theme: PresentationTheme
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public override var dismissOnOutsideTap: Bool {
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return self.isUserInteractionEnabled
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}
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public init(theme: AlertControllerTheme, ptheme: PresentationTheme, title: String, text: String, warning: String?, actions: [TextAlertAction]) {
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self.theme = ptheme
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self.title = title
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self.text = text
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self.warning = warning
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self.titleNode = ASTextNode()
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self.titleNode.maximumNumberOfLines = 0
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self.textNode = ASTextNode()
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self.textNode.maximumNumberOfLines = 0
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self.warningBackgroundNode = ASImageNode()
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self.warningBackgroundNode.displaysAsynchronously = false
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self.warningTextNode = ImmediateTextNode()
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self.warningTextNode.maximumNumberOfLines = 0
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self.warningTextNode.lineSpacing = 0.1
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self.actionNodesSeparator = ASDisplayNode()
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self.actionNodesSeparator.isLayerBacked = true
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self.actionNodes = actions.map { action -> TextAlertContentActionNode in
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return TextAlertContentActionNode(theme: theme, action: action)
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}
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var actionVerticalSeparators: [ASDisplayNode] = []
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if actions.count > 1 {
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for _ in 0 ..< actions.count - 1 {
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let separatorNode = ASDisplayNode()
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separatorNode.isLayerBacked = true
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actionVerticalSeparators.append(separatorNode)
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}
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}
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self.actionVerticalSeparators = actionVerticalSeparators
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super.init()
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self.addSubnode(self.titleNode)
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self.addSubnode(self.textNode)
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self.addSubnode(self.warningBackgroundNode)
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self.addSubnode(self.warningTextNode)
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self.addSubnode(self.actionNodesSeparator)
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for actionNode in self.actionNodes {
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self.addSubnode(actionNode)
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}
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for separatorNode in self.actionVerticalSeparators {
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self.addSubnode(separatorNode)
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}
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self.updateTheme(theme)
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}
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public override func updateTheme(_ theme: AlertControllerTheme) {
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self.titleNode.attributedText = NSAttributedString(string: self.title, font: Font.bold(17.0), textColor: theme.primaryColor, paragraphAlignment: .center)
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let body = MarkdownAttributeSet(font: Font.regular(13.0), textColor: theme.primaryColor)
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let bold = MarkdownAttributeSet(font: Font.semibold(13.0), textColor: theme.primaryColor)
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let attributedText = parseMarkdownIntoAttributedString(self.text, attributes: MarkdownAttributes(body: body, bold: bold, link: body, linkAttribute: { _ in return nil }), textAlignment: .center)
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self.textNode.attributedText = attributedText
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self.warningTextNode.attributedText = NSAttributedString(string: self.warning ?? "", font: Font.semibold(13.0), textColor: theme.destructiveColor, paragraphAlignment: .center)
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self.warningBackgroundNode.image = generateStretchableFilledCircleImage(radius: 5.0, color: theme.destructiveColor.withAlphaComponent(0.1))
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self.actionNodesSeparator.backgroundColor = theme.separatorColor
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for actionNode in self.actionNodes {
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actionNode.updateTheme(theme)
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}
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for separatorNode in self.actionVerticalSeparators {
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separatorNode.backgroundColor = theme.separatorColor
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}
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if let size = self.validLayout {
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_ = self.updateLayout(size: size, transition: .immediate)
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}
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}
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public override func updateLayout(size: CGSize, transition: ContainedViewLayoutTransition) -> CGSize {
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var size = size
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size.width = min(size.width, 270.0)
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let measureSize = CGSize(width: size.width - 16.0 * 2.0, height: CGFloat.greatestFiniteMagnitude)
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self.validLayout = size
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var origin: CGPoint = CGPoint(x: 0.0, y: 20.0)
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let titleSize = self.titleNode.measure(measureSize)
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transition.updateFrame(node: self.titleNode, frame: CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - titleSize.width) / 2.0), y: origin.y), size: titleSize))
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origin.y += titleSize.height + 4.0
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let textSize = self.textNode.measure(measureSize)
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transition.updateFrame(node: self.textNode, frame: CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - textSize.width) / 2.0), y: origin.y), size: textSize))
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origin.y += textSize.height + 6.0
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let actionButtonHeight: CGFloat = 44.0
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var minActionsWidth: CGFloat = 0.0
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let maxActionWidth: CGFloat = floor(size.width / CGFloat(self.actionNodes.count))
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let actionTitleInsets: CGFloat = 8.0
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var effectiveActionLayout = TextAlertContentActionLayout.horizontal
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for actionNode in self.actionNodes {
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let actionTitleSize = actionNode.titleNode.updateLayout(CGSize(width: maxActionWidth, height: actionButtonHeight))
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if case .horizontal = effectiveActionLayout, actionTitleSize.height > actionButtonHeight * 0.6667 {
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effectiveActionLayout = .vertical
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}
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switch effectiveActionLayout {
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case .horizontal:
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minActionsWidth += actionTitleSize.width + actionTitleInsets
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case .vertical:
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minActionsWidth = max(minActionsWidth, actionTitleSize.width + actionTitleInsets)
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}
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}
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if "".isEmpty {
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effectiveActionLayout = .vertical
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}
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let insets = UIEdgeInsets(top: 18.0, left: 18.0, bottom: 18.0, right: 18.0)
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var contentWidth = max(titleSize.width, minActionsWidth)
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contentWidth = max(contentWidth, 234.0)
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var actionsHeight: CGFloat = 0.0
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switch effectiveActionLayout {
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case .horizontal:
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actionsHeight = actionButtonHeight
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case .vertical:
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actionsHeight = actionButtonHeight * CGFloat(self.actionNodes.count)
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}
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let resultWidth = contentWidth + insets.left + insets.right
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var warningHeight: CGFloat = 0.0
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if let _ = self.warning {
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let warningSize = self.warningTextNode.updateLayout(measureSize)
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let warningFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - warningSize.width) / 2.0), y: origin.y + 20.0), size: warningSize)
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transition.updateFrame(node: self.warningTextNode, frame: warningFrame)
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transition.updateFrame(node: self.warningBackgroundNode, frame: warningFrame.insetBy(dx: -8.0, dy: -8.0))
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warningHeight += warningSize.height + 26.0
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}
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let resultSize = CGSize(width: resultWidth, height: titleSize.height + textSize.height + 8.0 + actionsHeight + warningHeight + insets.top + insets.bottom)
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transition.updateFrame(node: self.actionNodesSeparator, frame: CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight - UIScreenPixel), size: CGSize(width: resultSize.width, height: UIScreenPixel)))
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var actionOffset: CGFloat = 0.0
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let actionWidth: CGFloat = floor(resultSize.width / CGFloat(self.actionNodes.count))
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var separatorIndex = -1
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var nodeIndex = 0
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for actionNode in self.actionNodes {
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if separatorIndex >= 0 {
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let separatorNode = self.actionVerticalSeparators[separatorIndex]
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switch effectiveActionLayout {
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case .horizontal:
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transition.updateFrame(node: separatorNode, frame: CGRect(origin: CGPoint(x: actionOffset - UIScreenPixel, y: resultSize.height - actionsHeight), size: CGSize(width: UIScreenPixel, height: actionsHeight - UIScreenPixel)))
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case .vertical:
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transition.updateFrame(node: separatorNode, frame: CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight + actionOffset - UIScreenPixel), size: CGSize(width: resultSize.width, height: UIScreenPixel)))
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}
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}
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separatorIndex += 1
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let currentActionWidth: CGFloat
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switch effectiveActionLayout {
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case .horizontal:
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if nodeIndex == self.actionNodes.count - 1 {
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currentActionWidth = resultSize.width - actionOffset
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} else {
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currentActionWidth = actionWidth
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}
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case .vertical:
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currentActionWidth = resultSize.width
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}
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let actionNodeFrame: CGRect
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switch effectiveActionLayout {
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case .horizontal:
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actionNodeFrame = CGRect(origin: CGPoint(x: actionOffset, y: resultSize.height - actionsHeight), size: CGSize(width: currentActionWidth, height: actionButtonHeight))
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actionOffset += currentActionWidth
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case .vertical:
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actionNodeFrame = CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight + actionOffset), size: CGSize(width: currentActionWidth, height: actionButtonHeight))
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actionOffset += actionButtonHeight
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}
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transition.updateFrame(node: actionNode, frame: actionNodeFrame)
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nodeIndex += 1
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}
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return resultSize
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}
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}
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private func giveawayInfoAlertController(context: AccountContext, updatedPresentationData: (initial: PresentationData, signal: Signal<PresentationData, NoError>)? = nil, title: String, text: String, warning: String?, actions: [TextAlertAction]) -> AlertController {
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let presentationData = updatedPresentationData?.initial ?? context.sharedContext.currentPresentationData.with { $0 }
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let contentNode = GiveawayInfoAlertContentNode(theme: AlertControllerTheme(presentationData: presentationData), ptheme: presentationData.theme, title: title, text: text, warning: warning, actions: actions)
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let controller = AlertController(theme: AlertControllerTheme(presentationData: presentationData), contentNode: contentNode)
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let presentationDataDisposable = (updatedPresentationData?.signal ?? context.sharedContext.presentationData).start(next: { [weak controller] presentationData in
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controller?.theme = AlertControllerTheme(presentationData: presentationData)
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})
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controller.dismissed = { _ in
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presentationDataDisposable.dispose()
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}
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return controller
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}
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