mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
573 lines
30 KiB
Swift
573 lines
30 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 Postbox
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import TelegramCore
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import TelegramPresentationData
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import TelegramUIPreferences
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import MergeLists
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import AccountContext
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import SearchUI
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import ChatListSearchItemHeader
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import ContactsPeerItem
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import ContextUI
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import PhoneNumberFormat
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import ItemListUI
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import AnimatedStickerNode
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import TelegramAnimatedStickerNode
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private enum ContactListSearchGroup {
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case contacts
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case global
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case deviceContacts
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}
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private enum ContactListSearchEntryId: Hashable {
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case addContact
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case peerId(ContactListPeerId)
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static func <(lhs: ContactListSearchEntryId, rhs: ContactListSearchEntryId) -> Bool {
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return lhs.hashValue < rhs.hashValue
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}
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static func ==(lhs: ContactListSearchEntryId, rhs: ContactListSearchEntryId) -> Bool {
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switch lhs {
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case .addContact:
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switch rhs {
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case .addContact:
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return true
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default:
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return false
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}
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case let .peerId(lhsId):
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switch rhs {
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case let .peerId(rhsId):
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return lhsId == rhsId
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default:
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return false
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}
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}
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}
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}
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private enum ContactListSearchEntry: Comparable, Identifiable {
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case addContact(PresentationTheme, PresentationStrings, String)
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case peer(Int, PresentationTheme, PresentationStrings, ContactListPeer, PeerPresence?, ContactListSearchGroup, Bool)
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var stableId: ContactListSearchEntryId {
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switch self {
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case .addContact:
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return .addContact
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case let .peer(_, _, _, peer, _, _, _):
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return .peerId(peer.id)
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}
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}
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static func ==(lhs: ContactListSearchEntry, rhs: ContactListSearchEntry) -> Bool {
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switch lhs {
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case let .addContact(lhsTheme, lhsStrings, lhsPhoneNumber):
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if case let .addContact(rhsTheme, rhsStrings, rhsPhoneNumber) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsPhoneNumber == rhsPhoneNumber {
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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 .peer(lhsIndex, lhsTheme, lhsStrings, lhsPeer, lhsPresence, lhsGroup, lhsEnabled):
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switch rhs {
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case let .peer(rhsIndex, rhsTheme, rhsStrings, rhsPeer, rhsPresence, rhsGroup, rhsEnabled):
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if lhsIndex != rhsIndex {
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return false
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}
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if lhsTheme !== rhsTheme {
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return false
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}
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if lhsStrings !== rhsStrings {
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return false
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}
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if lhsPeer != rhsPeer {
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return false
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}
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if let lhsPresence = lhsPresence, let rhsPresence = rhsPresence {
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if !lhsPresence.isEqual(to: rhsPresence) {
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return false
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}
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} else if (lhsPresence != nil) != (rhsPresence != nil) {
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return false
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}
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if lhsGroup != rhsGroup {
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return false
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}
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if lhsEnabled != rhsEnabled {
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return false
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}
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return true
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default:
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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: ContactListSearchEntry, rhs: ContactListSearchEntry) -> Bool {
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switch lhs {
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case .addContact:
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return true
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case let .peer(lhsIndex, _, _, _, _, _, _):
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switch rhs {
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case .addContact:
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return false
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case let .peer(rhsIndex, _, _, _, _, _, _):
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return lhsIndex < rhsIndex
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}
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}
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}
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func item(context: AccountContext, presentationData: PresentationData, nameSortOrder: PresentationPersonNameOrder, nameDisplayOrder: PresentationPersonNameOrder, timeFormat: PresentationDateTimeFormat, addContact: ((String) -> Void)?, openPeer: @escaping (ContactListPeer) -> Void, contextAction: ((Peer, ASDisplayNode, ContextGesture?) -> Void)?) -> ListViewItem {
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switch self {
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case let .addContact(theme, strings, phoneNumber):
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return ContactsAddItem(theme: theme, strings: strings, phoneNumber: phoneNumber, header: ChatListSearchItemHeader(type: .phoneNumber, theme: theme, strings: strings, actionTitle: nil, action: nil), action: {
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addContact?(phoneNumber)
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})
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case let .peer(_, theme, strings, peer, presence, group, enabled):
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let header: ListViewItemHeader
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let status: ContactsPeerItemStatus
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switch group {
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case .contacts:
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header = ChatListSearchItemHeader(type: .contacts, theme: theme, strings: strings, actionTitle: nil, action: nil)
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if let presence = presence {
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status = .presence(EnginePeer.Presence(presence), timeFormat)
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} else {
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status = .none
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}
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case .global:
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header = ChatListSearchItemHeader(type: .globalPeers, theme: theme, strings: strings, actionTitle: nil, action: nil)
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if case let .peer(peer, _, _) = peer, let _ = peer.addressName {
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status = .addressName("")
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} else {
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status = .none
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}
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case .deviceContacts:
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header = ChatListSearchItemHeader(type: .deviceContacts, theme: theme, strings: strings, actionTitle: nil, action: nil)
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status = .none
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}
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var nativePeer: Peer?
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let peerItem: ContactsPeerItemPeer
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switch peer {
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case let .peer(peer, _, _):
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peerItem = .peer(peer: EnginePeer(peer), chatPeer: EnginePeer(peer))
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nativePeer = peer
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case let .deviceContact(stableId, contact):
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peerItem = .deviceContact(stableId: stableId, contact: contact)
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}
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return ContactsPeerItem(presentationData: ItemListPresentationData(presentationData), sortOrder: nameSortOrder, displayOrder: nameDisplayOrder, context: context, peerMode: .peer, peer: peerItem, status: status, enabled: enabled, selection: .none, editing: ContactsPeerItemEditing(editable: false, editing: false, revealed: false), index: nil, header: header, action: { _ in
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openPeer(peer)
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}, contextAction: contextAction.flatMap { contextAction in
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return nativePeer.flatMap { nativePeer in
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return { node, gesture in
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contextAction(nativePeer, node, gesture)
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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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struct ContactListSearchContainerTransition {
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let deletions: [ListViewDeleteItem]
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let insertions: [ListViewInsertItem]
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let updates: [ListViewUpdateItem]
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let isSearching: Bool
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let emptyResults: Bool
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let query: String
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}
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private func contactListSearchContainerPreparedRecentTransition(from fromEntries: [ContactListSearchEntry], to toEntries: [ContactListSearchEntry], isSearching: Bool, emptyResults: Bool, query: String, context: AccountContext, presentationData: PresentationData, nameSortOrder: PresentationPersonNameOrder, nameDisplayOrder: PresentationPersonNameOrder, timeFormat: PresentationDateTimeFormat, addContact: ((String) -> Void)?, openPeer: @escaping (ContactListPeer) -> Void, contextAction: ((Peer, ASDisplayNode, ContextGesture?) -> Void)?) -> ContactListSearchContainerTransition {
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let (deleteIndices, indicesAndItems, updateIndices) = mergeListsStableWithUpdates(leftList: fromEntries, rightList: toEntries)
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let deletions = deleteIndices.map { ListViewDeleteItem(index: $0, directionHint: nil) }
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let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, nameSortOrder: nameSortOrder, nameDisplayOrder: nameDisplayOrder, timeFormat: timeFormat, addContact: addContact, openPeer: openPeer, contextAction: contextAction), directionHint: nil) }
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let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, nameSortOrder: nameSortOrder, nameDisplayOrder: nameDisplayOrder, timeFormat: timeFormat, addContact: addContact, openPeer: openPeer, contextAction: contextAction), directionHint: nil) }
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return ContactListSearchContainerTransition(deletions: deletions, insertions: insertions, updates: updates, isSearching: isSearching, emptyResults: emptyResults, query: query)
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}
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public struct ContactsSearchCategories: OptionSet {
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public var rawValue: Int32
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public init(rawValue: Int32) {
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self.rawValue = rawValue
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}
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public static let cloudContacts = ContactsSearchCategories(rawValue: 1 << 0)
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public static let global = ContactsSearchCategories(rawValue: 1 << 1)
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public static let deviceContacts = ContactsSearchCategories(rawValue: 1 << 2)
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}
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public final class ContactsSearchContainerNode: SearchDisplayControllerContentNode {
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private let context: AccountContext
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private let addContact: ((String) -> Void)?
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private let openPeer: (ContactListPeer) -> Void
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private let contextAction: ((Peer, ASDisplayNode, ContextGesture?) -> Void)?
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private let dimNode: ASDisplayNode
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public let listNode: ListView
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private let emptyResultsTitleNode: ImmediateTextNode
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private let emptyResultsTextNode: ImmediateTextNode
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private let emptyResultsAnimationNode: AnimatedStickerNode
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private var emptyResultsAnimationSize: CGSize = CGSize()
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private let searchQuery = Promise<String?>()
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private let searchDisposable = MetaDisposable()
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private var presentationData: PresentationData
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private let themeAndStringsPromise: Promise<(PresentationTheme, PresentationStrings)>
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private var containerViewLayout: (ContainerViewLayout, CGFloat)?
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private var enqueuedTransitions: [ContactListSearchContainerTransition] = []
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public override var hasDim: Bool {
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return true
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}
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public init(context: AccountContext, updatedPresentationData: (initial: PresentationData, signal: Signal<PresentationData, NoError>)? = nil, onlyWriteable: Bool, categories: ContactsSearchCategories, filters: [ContactListFilter] = [.excludeSelf], addContact: ((String) -> Void)?, openPeer: @escaping (ContactListPeer) -> Void, contextAction: ((Peer, ASDisplayNode, ContextGesture?) -> Void)?) {
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self.context = context
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self.addContact = addContact
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self.openPeer = openPeer
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self.contextAction = contextAction
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let presentationData = updatedPresentationData?.initial ?? context.sharedContext.currentPresentationData.with { $0 }
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self.presentationData = presentationData
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self.themeAndStringsPromise = Promise((self.presentationData.theme, self.presentationData.strings))
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self.dimNode = ASDisplayNode()
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self.dimNode.backgroundColor = UIColor.black.withAlphaComponent(0.5)
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self.listNode = ListView()
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self.listNode.backgroundColor = self.presentationData.theme.list.plainBackgroundColor
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self.listNode.isHidden = true
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self.listNode.accessibilityPageScrolledString = { row, count in
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return presentationData.strings.VoiceOver_ScrollStatus(row, count).string
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}
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self.emptyResultsTitleNode = ImmediateTextNode()
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self.emptyResultsTitleNode.displaysAsynchronously = false
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self.emptyResultsTitleNode.attributedText = NSAttributedString(string: self.presentationData.strings.Contacts_Search_NoResults, font: Font.semibold(17.0), textColor: self.presentationData.theme.list.freeTextColor)
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self.emptyResultsTitleNode.textAlignment = .center
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self.emptyResultsTitleNode.isHidden = true
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self.emptyResultsTextNode = ImmediateTextNode()
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self.emptyResultsTextNode.displaysAsynchronously = false
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self.emptyResultsTextNode.maximumNumberOfLines = 0
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self.emptyResultsTextNode.textAlignment = .center
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self.emptyResultsTextNode.isHidden = true
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self.emptyResultsAnimationNode = AnimatedStickerNode()
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self.emptyResultsAnimationNode.isHidden = true
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super.init()
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self.emptyResultsAnimationNode.setup(source: AnimatedStickerNodeLocalFileSource(name: "ChatListNoResults"), width: 256, height: 256, playbackMode: .once, mode: .direct(cachePathPrefix: nil))
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self.emptyResultsAnimationSize = CGSize(width: 148.0, height: 148.0)
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self.backgroundColor = nil
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self.isOpaque = false
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self.addSubnode(self.dimNode)
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self.addSubnode(self.listNode)
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self.addSubnode(self.emptyResultsAnimationNode)
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self.addSubnode(self.emptyResultsTitleNode)
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self.addSubnode(self.emptyResultsTextNode)
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self.listNode.isHidden = true
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let themeAndStringsPromise = self.themeAndStringsPromise
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let previousFoundRemoteContacts = Atomic<([FoundPeer], [FoundPeer])?>(value: nil)
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let searchItems = self.searchQuery.get()
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|> mapToSignal { query -> Signal<([ContactListSearchEntry]?, String), NoError> in
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if let query = query, !query.isEmpty {
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let foundLocalContacts: Signal<([Peer], [PeerId: PeerPresence]), NoError>
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if categories.contains(.cloudContacts) {
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foundLocalContacts = context.account.postbox.searchContacts(query: query.lowercased())
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} else {
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foundLocalContacts = .single(([], [:]))
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}
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let foundRemoteContacts: Signal<([FoundPeer], [FoundPeer])?, NoError>
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if categories.contains(.global) {
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foundRemoteContacts = .single(previousFoundRemoteContacts.with({ $0 }))
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|> then(
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context.engine.contacts.searchRemotePeers(query: query)
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|> map { ($0.0, $0.1) }
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|> delay(0.2, queue: Queue.concurrentDefaultQueue())
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)
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} else {
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foundRemoteContacts = .single(([], []))
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}
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let searchDeviceContacts = categories.contains(.deviceContacts)
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let foundDeviceContacts: Signal<[DeviceContactStableId: (DeviceContactBasicData, PeerId?)]?, NoError>
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if searchDeviceContacts, let contactDataManager = context.sharedContext.contactDataManager {
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foundDeviceContacts = contactDataManager.search(query: query)
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|> map(Optional.init)
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} else {
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foundDeviceContacts = .single([:])
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}
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return combineLatest(foundLocalContacts, foundRemoteContacts, foundDeviceContacts, themeAndStringsPromise.get())
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|> delay(0.1, queue: Queue.concurrentDefaultQueue())
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|> map { localPeersAndPresences, remotePeers, deviceContacts, themeAndStrings -> ([ContactListSearchEntry], String) in
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let _ = previousFoundRemoteContacts.swap(remotePeers)
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var entries: [ContactListSearchEntry] = []
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var existingPeerIds = Set<PeerId>()
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var disabledPeerIds = Set<PeerId>()
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for filter in filters {
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switch filter {
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case .excludeSelf:
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existingPeerIds.insert(context.account.peerId)
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case let .exclude(peerIds):
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existingPeerIds = existingPeerIds.union(peerIds)
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case let .disable(peerIds):
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disabledPeerIds = disabledPeerIds.union(peerIds)
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}
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}
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var existingNormalizedPhoneNumbers = Set<DeviceContactNormalizedPhoneNumber>()
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var index = 0
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for peer in localPeersAndPresences.0 {
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if existingPeerIds.contains(peer.id) {
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continue
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}
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existingPeerIds.insert(peer.id)
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var enabled = true
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if onlyWriteable {
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enabled = canSendMessagesToPeer(peer)
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}
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entries.append(.peer(index, themeAndStrings.0, themeAndStrings.1, .peer(peer: peer, isGlobal: false, participantCount: nil), localPeersAndPresences.1[peer.id], .contacts, enabled))
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if searchDeviceContacts, let user = peer as? TelegramUser, let phone = user.phone {
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existingNormalizedPhoneNumbers.insert(DeviceContactNormalizedPhoneNumber(rawValue: formatPhoneNumber(phone)))
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}
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index += 1
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}
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if let remotePeers = remotePeers {
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for peer in remotePeers.0 {
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if !(peer.peer is TelegramUser) {
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continue
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}
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if !existingPeerIds.contains(peer.peer.id) {
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existingPeerIds.insert(peer.peer.id)
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var enabled = true
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if onlyWriteable {
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enabled = canSendMessagesToPeer(peer.peer)
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}
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entries.append(.peer(index, themeAndStrings.0, themeAndStrings.1, .peer(peer: peer.peer, isGlobal: true, participantCount: peer.subscribers), nil, .global, enabled))
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if searchDeviceContacts, let user = peer.peer as? TelegramUser, let phone = user.phone {
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existingNormalizedPhoneNumbers.insert(DeviceContactNormalizedPhoneNumber(rawValue: formatPhoneNumber(phone)))
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}
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index += 1
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}
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}
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for peer in remotePeers.1 {
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if !(peer.peer is TelegramUser) {
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continue
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}
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if !existingPeerIds.contains(peer.peer.id) {
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existingPeerIds.insert(peer.peer.id)
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var enabled = true
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if onlyWriteable {
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enabled = canSendMessagesToPeer(peer.peer)
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}
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entries.append(.peer(index, themeAndStrings.0, themeAndStrings.1, .peer(peer: peer.peer, isGlobal: true, participantCount: peer.subscribers), nil, .global, enabled))
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if searchDeviceContacts, let user = peer.peer as? TelegramUser, let phone = user.phone {
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existingNormalizedPhoneNumbers.insert(DeviceContactNormalizedPhoneNumber(rawValue: formatPhoneNumber(phone)))
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}
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index += 1
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}
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}
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}
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if let _ = remotePeers, let deviceContacts = deviceContacts {
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outer: for (stableId, contact) in deviceContacts {
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inner: for phoneNumber in contact.0.phoneNumbers {
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let normalizedNumber = DeviceContactNormalizedPhoneNumber(rawValue: formatPhoneNumber(phoneNumber.value))
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if existingNormalizedPhoneNumbers.contains(normalizedNumber) {
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continue outer
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}
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}
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if let peerId = contact.1 {
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if existingPeerIds.contains(peerId) {
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continue outer
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}
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}
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entries.append(.peer(index, themeAndStrings.0, themeAndStrings.1, .deviceContact(stableId, contact.0), nil, .deviceContacts, true))
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index += 1
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}
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}
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if let _ = addContact, isViablePhoneNumber(query) {
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entries.append(.addContact(themeAndStrings.0, themeAndStrings.1, query))
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}
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return (entries, query)
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}
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} else {
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let _ = previousFoundRemoteContacts.swap(nil)
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return .single((nil, ""))
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}
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}
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let previousSearchItems = Atomic<[ContactListSearchEntry]>(value: [])
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self.searchDisposable.set((searchItems
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|> deliverOnMainQueue).start(next: { [weak self] items, query in
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if let strongSelf = self {
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let previousItems = previousSearchItems.swap(items ?? [])
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var addContact: ((String) -> Void)?
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if let originalAddContact = strongSelf.addContact {
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addContact = { [weak self] phoneNumber in
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self?.listNode.clearHighlightAnimated(true)
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originalAddContact(phoneNumber)
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}
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}
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let transition = contactListSearchContainerPreparedRecentTransition(from: previousItems, to: items ?? [], isSearching: items != nil, emptyResults: items?.isEmpty ?? false, query: query, context: context, presentationData: strongSelf.presentationData, nameSortOrder: strongSelf.presentationData.nameSortOrder, nameDisplayOrder: strongSelf.presentationData.nameDisplayOrder, timeFormat: strongSelf.presentationData.dateTimeFormat, addContact: addContact, openPeer: { peer in
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self?.listNode.clearHighlightAnimated(true)
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self?.openPeer(peer)
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}, contextAction: strongSelf.contextAction)
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strongSelf.enqueueTransition(transition)
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}
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}))
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self.listNode.beganInteractiveDragging = { [weak self] _ in
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self?.dismissInput?()
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}
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}
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deinit {
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self.searchDisposable.dispose()
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}
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override public func scrollToTop() {
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if !self.listNode.isHidden {
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self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
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}
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}
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override public func didLoad() {
|
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super.didLoad()
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|
|
|
self.dimNode.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.dimTapGesture(_:))))
|
|
}
|
|
|
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override public func updatePresentationData(_ presentationData: PresentationData) {
|
|
super.updatePresentationData(presentationData)
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|
|
|
self.presentationData = presentationData
|
|
self.themeAndStringsPromise.set(.single((presentationData.theme, presentationData.strings)))
|
|
self.listNode.backgroundColor = self.presentationData.theme.list.plainBackgroundColor
|
|
}
|
|
|
|
override public func searchTextUpdated(text: String) {
|
|
if text.isEmpty {
|
|
self.searchQuery.set(.single(nil))
|
|
} else {
|
|
self.searchQuery.set(.single(text))
|
|
}
|
|
}
|
|
|
|
override public func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
|
|
super.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: transition)
|
|
|
|
let hadValidLayout = self.containerViewLayout != nil
|
|
self.containerViewLayout = (layout, navigationBarHeight)
|
|
|
|
let topInset = navigationBarHeight
|
|
transition.updateFrame(node: self.dimNode, frame: CGRect(origin: CGPoint(x: 0.0, y: topInset), size: CGSize(width: layout.size.width, height: layout.size.height - topInset)))
|
|
|
|
self.listNode.frame = CGRect(origin: CGPoint(), size: layout.size)
|
|
self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous], scrollToItem: nil, updateSizeAndInsets: ListViewUpdateSizeAndInsets(size: layout.size, insets: UIEdgeInsets(top: topInset, left: layout.safeInsets.left, bottom: layout.intrinsicInsets.bottom, right: layout.safeInsets.right), duration: 0.0, curve: .Default(duration: nil)), stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
|
|
|
|
let size = layout.size
|
|
let sideInset = layout.safeInsets.left
|
|
let visibleHeight = layout.size.height
|
|
let bottomInset = layout.insets(options: .input).bottom
|
|
|
|
let padding: CGFloat = 16.0
|
|
let emptyTitleSize = self.emptyResultsTitleNode.updateLayout(CGSize(width: size.width - sideInset * 2.0 - padding * 2.0, height: CGFloat.greatestFiniteMagnitude))
|
|
let emptyTextSize = self.emptyResultsTextNode.updateLayout(CGSize(width: size.width - sideInset * 2.0 - padding * 2.0, height: CGFloat.greatestFiniteMagnitude))
|
|
|
|
let emptyAnimationHeight = self.emptyResultsAnimationSize.height
|
|
let emptyAnimationSpacing: CGFloat = 8.0
|
|
let emptyTextSpacing: CGFloat = 8.0
|
|
let emptyTotalHeight = emptyAnimationHeight + emptyAnimationSpacing + emptyTitleSize.height + emptyTextSize.height + emptyTextSpacing
|
|
let emptyAnimationY = topInset + floorToScreenPixels((visibleHeight - topInset - bottomInset - emptyTotalHeight) / 2.0)
|
|
|
|
let textTransition = ContainedViewLayoutTransition.immediate
|
|
textTransition.updateFrame(node: self.emptyResultsAnimationNode, frame: CGRect(origin: CGPoint(x: sideInset + padding + (size.width - sideInset * 2.0 - padding * 2.0 - self.emptyResultsAnimationSize.width) / 2.0, y: emptyAnimationY), size: self.emptyResultsAnimationSize))
|
|
textTransition.updateFrame(node: self.emptyResultsTitleNode, frame: CGRect(origin: CGPoint(x: sideInset + padding + (size.width - sideInset * 2.0 - padding * 2.0 - emptyTitleSize.width) / 2.0, y: emptyAnimationY + emptyAnimationHeight + emptyAnimationSpacing), size: emptyTitleSize))
|
|
textTransition.updateFrame(node: self.emptyResultsTextNode, frame: CGRect(origin: CGPoint(x: sideInset + padding + (size.width - sideInset * 2.0 - padding * 2.0 - emptyTextSize.width) / 2.0, y: emptyAnimationY + emptyAnimationHeight + emptyAnimationSpacing + emptyTitleSize.height + emptyTextSpacing), size: emptyTextSize))
|
|
self.emptyResultsAnimationNode.updateLayout(size: self.emptyResultsAnimationSize)
|
|
|
|
if !hadValidLayout {
|
|
while !self.enqueuedTransitions.isEmpty {
|
|
self.dequeueTransition()
|
|
}
|
|
}
|
|
}
|
|
|
|
private func enqueueTransition(_ transition: ContactListSearchContainerTransition) {
|
|
self.enqueuedTransitions.append(transition)
|
|
|
|
if self.containerViewLayout != nil {
|
|
while !self.enqueuedTransitions.isEmpty {
|
|
self.dequeueTransition()
|
|
}
|
|
}
|
|
}
|
|
|
|
private func dequeueTransition() {
|
|
if let transition = self.enqueuedTransitions.first {
|
|
self.enqueuedTransitions.remove(at: 0)
|
|
|
|
var options = ListViewDeleteAndInsertOptions()
|
|
options.insert(.PreferSynchronousDrawing)
|
|
options.insert(.PreferSynchronousResourceLoading)
|
|
|
|
let isSearching = transition.isSearching
|
|
let emptyResults = transition.emptyResults
|
|
let query = transition.query
|
|
self.listNode.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, updateSizeAndInsets: nil, updateOpaqueState: nil, completion: { [weak self] _ in
|
|
guard let strongSelf = self else {
|
|
return
|
|
}
|
|
|
|
strongSelf.emptyResultsTextNode.attributedText = NSAttributedString(string: strongSelf.presentationData.strings.Contacts_Search_NoResultsQueryDescription(query).string, font: Font.regular(15.0), textColor: strongSelf.presentationData.theme.list.freeTextColor)
|
|
|
|
if let (layout, navigationBarHeight) = strongSelf.containerViewLayout {
|
|
strongSelf.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: .immediate)
|
|
}
|
|
strongSelf.listNode.isHidden = !isSearching
|
|
strongSelf.dimNode.isHidden = isSearching
|
|
|
|
strongSelf.emptyResultsAnimationNode.isHidden = !emptyResults
|
|
strongSelf.emptyResultsTitleNode.isHidden = !emptyResults
|
|
strongSelf.emptyResultsTextNode.isHidden = !emptyResults
|
|
strongSelf.emptyResultsAnimationNode.visibility = emptyResults
|
|
|
|
})
|
|
}
|
|
}
|
|
|
|
@objc private func dimTapGesture(_ recognizer: UITapGestureRecognizer) {
|
|
if case .ended = recognizer.state {
|
|
self.cancel?()
|
|
}
|
|
}
|
|
}
|