import Foundation
import UIKit
import Display
import AsyncDisplayKit
import SwiftSignalKit
import TelegramCore
import TelegramPresentationData
import TelegramUIPreferences
import AccountContext
import TelegramNotices
import ContactsPeerItem
import ContextUI
import ItemListUI
import SearchUI
import ChatListSearchItemHeader
import PremiumUI
import AnimationCache
import MultiAnimationRenderer
import Postbox
public enum ChatListNodeMode {
case chatList
case peers(filter: ChatListNodePeersFilter, isSelecting: Bool, additionalCategories: [ChatListNodeAdditionalCategory], chatListFilters: [ChatListFilter]?, displayAutoremoveTimeout: Bool)
case peerType(type: ReplyMarkupButtonRequestPeerType)
}
struct ChatListNodeListViewTransition {
let chatListView: ChatListNodeView
let deleteItems: [ListViewDeleteItem]
let insertItems: [ListViewInsertItem]
let updateItems: [ListViewUpdateItem]
let options: ListViewDeleteAndInsertOptions
let scrollToItem: ListViewScrollToItem?
let stationaryItemRange: (Int, Int)?
let adjustScrollToFirstItem: Bool
let animateCrossfade: Bool
}
final class ChatListHighlightedLocation: Equatable {
let location: ChatLocation
let progress: CGFloat
init(location: ChatLocation, progress: CGFloat) {
self.location = location
self.progress = progress
}
func withUpdatedProgress(_ progress: CGFloat) -> ChatListHighlightedLocation {
return ChatListHighlightedLocation(location: location, progress: progress)
}
static func ==(lhs: ChatListHighlightedLocation, rhs: ChatListHighlightedLocation) -> Bool {
if lhs.location != rhs.location {
return false
}
if lhs.progress != rhs.progress {
return false
}
return true
}
}
public final class ChatListNodeInteraction {
public enum PeerEntry {
case peerId(EnginePeer.Id)
case peer(EnginePeer)
}
let activateSearch: () -> Void
let peerSelected: (EnginePeer, EnginePeer?, Int64?, ChatListNodeEntryPromoInfo?) -> Void
let disabledPeerSelected: (EnginePeer, Int64?) -> Void
let togglePeerSelected: (EnginePeer, Int64?) -> Void
let togglePeersSelection: ([PeerEntry], Bool) -> Void
let additionalCategorySelected: (Int) -> Void
let messageSelected: (EnginePeer, Int64?, EngineMessage, ChatListNodeEntryPromoInfo?) -> Void
let groupSelected: (EngineChatList.Group) -> Void
let addContact: (String) -> Void
let setPeerIdWithRevealedOptions: (EnginePeer.Id?, EnginePeer.Id?) -> Void
let setItemPinned: (EngineChatList.PinnedItem.Id, Bool) -> Void
let setPeerMuted: (EnginePeer.Id, Bool) -> Void
let setPeerThreadMuted: (EnginePeer.Id, Int64?, Bool) -> Void
let deletePeer: (EnginePeer.Id, Bool) -> Void
let deletePeerThread: (EnginePeer.Id, Int64) -> Void
let setPeerThreadStopped: (EnginePeer.Id, Int64, Bool) -> Void
let setPeerThreadPinned: (EnginePeer.Id, Int64, Bool) -> Void
let setPeerThreadHidden: (EnginePeer.Id, Int64, Bool) -> Void
let updatePeerGrouping: (EnginePeer.Id, Bool) -> Void
let togglePeerMarkedUnread: (EnginePeer.Id, Bool) -> Void
let toggleArchivedFolderHiddenByDefault: () -> Void
let toggleThreadsSelection: ([Int64], Bool) -> Void
let hidePsa: (EnginePeer.Id) -> Void
let activateChatPreview: (ChatListItem, Int64?, ASDisplayNode, ContextGesture?, CGPoint?) -> Void
let present: (ViewController) -> Void
let openForumThread: (EnginePeer.Id, Int64) -> Void
let openStorageManagement: () -> Void
let openPasswordSetup: () -> Void
let openPremiumIntro: () -> Void
public var searchTextHighightState: String?
var highlightedChatLocation: ChatListHighlightedLocation?
var isSearchMode: Bool = false
var isInlineMode: Bool = false
var inlineNavigationLocation: ChatListHighlightedLocation?
let animationCache: AnimationCache
let animationRenderer: MultiAnimationRenderer
public init(
context: AccountContext,
animationCache: AnimationCache,
animationRenderer: MultiAnimationRenderer,
activateSearch: @escaping () -> Void,
peerSelected: @escaping (EnginePeer, EnginePeer?, Int64?, ChatListNodeEntryPromoInfo?) -> Void,
disabledPeerSelected: @escaping (EnginePeer, Int64?) -> Void,
togglePeerSelected: @escaping (EnginePeer, Int64?) -> Void,
togglePeersSelection: @escaping ([PeerEntry], Bool) -> Void,
additionalCategorySelected: @escaping (Int) -> Void,
messageSelected: @escaping (EnginePeer, Int64?, EngineMessage, ChatListNodeEntryPromoInfo?) -> Void,
groupSelected: @escaping (EngineChatList.Group) -> Void,
addContact: @escaping (String) -> Void,
setPeerIdWithRevealedOptions: @escaping (EnginePeer.Id?, EnginePeer.Id?) -> Void,
setItemPinned: @escaping (EngineChatList.PinnedItem.Id, Bool) -> Void,
setPeerMuted: @escaping (EnginePeer.Id, Bool) -> Void,
setPeerThreadMuted: @escaping (EnginePeer.Id, Int64?, Bool) -> Void,
deletePeer: @escaping (EnginePeer.Id, Bool) -> Void,
deletePeerThread: @escaping (EnginePeer.Id, Int64) -> Void,
setPeerThreadStopped: @escaping (EnginePeer.Id, Int64, Bool) -> Void,
setPeerThreadPinned: @escaping (EnginePeer.Id, Int64, Bool) -> Void,
setPeerThreadHidden: @escaping (EnginePeer.Id, Int64, Bool) -> Void,
updatePeerGrouping: @escaping (EnginePeer.Id, Bool) -> Void,
togglePeerMarkedUnread: @escaping (EnginePeer.Id, Bool) -> Void,
toggleArchivedFolderHiddenByDefault: @escaping () -> Void,
toggleThreadsSelection: @escaping ([Int64], Bool) -> Void,
hidePsa: @escaping (EnginePeer.Id) -> Void,
activateChatPreview: @escaping (ChatListItem, Int64?, ASDisplayNode, ContextGesture?, CGPoint?) -> Void,
present: @escaping (ViewController) -> Void,
openForumThread: @escaping (EnginePeer.Id, Int64) -> Void,
openStorageManagement: @escaping () -> Void,
openPasswordSetup: @escaping () -> Void,
openPremiumIntro: @escaping () -> Void
) {
self.activateSearch = activateSearch
self.peerSelected = peerSelected
self.disabledPeerSelected = disabledPeerSelected
self.togglePeerSelected = togglePeerSelected
self.togglePeersSelection = togglePeersSelection
self.additionalCategorySelected = additionalCategorySelected
self.messageSelected = messageSelected
self.groupSelected = groupSelected
self.addContact = addContact
self.setPeerIdWithRevealedOptions = setPeerIdWithRevealedOptions
self.setItemPinned = setItemPinned
self.setPeerMuted = setPeerMuted
self.setPeerThreadMuted = setPeerThreadMuted
self.deletePeer = deletePeer
self.deletePeerThread = deletePeerThread
self.setPeerThreadStopped = setPeerThreadStopped
self.setPeerThreadPinned = setPeerThreadPinned
self.setPeerThreadHidden = setPeerThreadHidden
self.updatePeerGrouping = updatePeerGrouping
self.togglePeerMarkedUnread = togglePeerMarkedUnread
self.toggleArchivedFolderHiddenByDefault = toggleArchivedFolderHiddenByDefault
self.toggleThreadsSelection = toggleThreadsSelection
self.hidePsa = hidePsa
self.activateChatPreview = activateChatPreview
self.present = present
self.animationCache = animationCache
self.animationRenderer = animationRenderer
self.openForumThread = openForumThread
self.openStorageManagement = openStorageManagement
self.openPasswordSetup = openPasswordSetup
self.openPremiumIntro = openPremiumIntro
}
}
public final class ChatListNodePeerInputActivities {
public struct ItemId: Hashable {
public var peerId: EnginePeer.Id
public var threadId: Int64?
public init(peerId: EnginePeer.Id, threadId: Int64?) {
self.peerId = peerId
self.threadId = threadId
}
}
public let activities: [ItemId: [(EnginePeer, PeerInputActivity)]]
public init(activities: [ItemId: [(EnginePeer, PeerInputActivity)]]) {
self.activities = activities
}
}
private func areFoundPeerArraysEqual(_ lhs: [(EnginePeer, EnginePeer?)], _ rhs: [(EnginePeer, EnginePeer?)]) -> Bool {
if lhs.count != rhs.count {
return false
}
for i in 0 ..< lhs.count {
if lhs[i].0 != rhs[i].0 || lhs[i].1 != rhs[i].1 {
return false
}
}
return true
}
public struct ChatListNodeState: Equatable {
public struct ItemId: Hashable {
public var peerId: EnginePeer.Id
public var threadId: Int64?
public init(peerId: EnginePeer.Id, threadId: Int64?) {
self.peerId = peerId
self.threadId = threadId
}
}
public var presentationData: ChatListPresentationData
public var editing: Bool
public var peerIdWithRevealedOptions: ItemId?
public var selectedPeerIds: Set<EnginePeer.Id>
public var peerInputActivities: ChatListNodePeerInputActivities?
public var pendingRemovalItemIds: Set<ItemId>
public var pendingClearHistoryPeerIds: Set<ItemId>
public var hiddenItemShouldBeTemporaryRevealed: Bool
public var selectedAdditionalCategoryIds: Set<Int>
public var hiddenPsaPeerId: EnginePeer.Id?
public var foundPeers: [(EnginePeer, EnginePeer?)]
public var selectedPeerMap: [EnginePeer.Id: EnginePeer]
public var selectedThreadIds: Set<Int64>
public init(
presentationData: ChatListPresentationData,
editing: Bool,
peerIdWithRevealedOptions: ItemId?,
selectedPeerIds: Set<EnginePeer.Id>,
foundPeers: [(EnginePeer, EnginePeer?)],
selectedPeerMap: [EnginePeer.Id: EnginePeer],
selectedAdditionalCategoryIds: Set<Int>,
peerInputActivities: ChatListNodePeerInputActivities?,
pendingRemovalItemIds: Set<ItemId>,
pendingClearHistoryPeerIds: Set<ItemId>,
hiddenItemShouldBeTemporaryRevealed: Bool,
hiddenPsaPeerId: EnginePeer.Id?,
selectedThreadIds: Set<Int64>
) {
self.presentationData = presentationData
self.editing = editing
self.peerIdWithRevealedOptions = peerIdWithRevealedOptions
self.selectedPeerIds = selectedPeerIds
self.selectedAdditionalCategoryIds = selectedAdditionalCategoryIds
self.foundPeers = foundPeers
self.selectedPeerMap = selectedPeerMap
self.peerInputActivities = peerInputActivities
self.pendingRemovalItemIds = pendingRemovalItemIds
self.pendingClearHistoryPeerIds = pendingClearHistoryPeerIds
self.hiddenItemShouldBeTemporaryRevealed = hiddenItemShouldBeTemporaryRevealed
self.hiddenPsaPeerId = hiddenPsaPeerId
self.selectedThreadIds = selectedThreadIds
}
public static func ==(lhs: ChatListNodeState, rhs: ChatListNodeState) -> Bool {
if lhs.presentationData !== rhs.presentationData {
return false
}
if lhs.editing != rhs.editing {
return false
}
if lhs.peerIdWithRevealedOptions != rhs.peerIdWithRevealedOptions {
return false
}
if lhs.selectedPeerIds != rhs.selectedPeerIds {
return false
}
if areFoundPeerArraysEqual(lhs.foundPeers, rhs.foundPeers) {
return false
}
if lhs.selectedPeerMap != rhs.selectedPeerMap {
return false
}
if lhs.selectedAdditionalCategoryIds != rhs.selectedAdditionalCategoryIds {
return false
}
if lhs.peerInputActivities !== rhs.peerInputActivities {
return false
}
if lhs.pendingRemovalItemIds != rhs.pendingRemovalItemIds {
return false
}
if lhs.pendingClearHistoryPeerIds != rhs.pendingClearHistoryPeerIds {
return false
}
if lhs.hiddenItemShouldBeTemporaryRevealed != rhs.hiddenItemShouldBeTemporaryRevealed {
return false
}
if lhs.hiddenPsaPeerId != rhs.hiddenPsaPeerId {
return false
}
if lhs.selectedThreadIds != rhs.selectedThreadIds {
return false
}
return true
}
}
private func mappedInsertEntries(context: AccountContext, nodeInteraction: ChatListNodeInteraction, location: ChatListControllerLocation, filterData: ChatListItemFilterData?, mode: ChatListNodeMode, isPeerEnabled: ((EnginePeer) -> Bool)?, entries: [ChatListNodeViewTransitionInsertEntry]) -> [ListViewInsertItem] {
return entries.map { entry -> ListViewInsertItem in
switch entry.entry {
case .HeaderEntry:
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListEmptyHeaderItem(), directionHint: entry.directionHint)
case let .AdditionalCategory(_, id, title, image, appearance, selected, presentationData):
var header: ChatListSearchItemHeader?
if case .peerType = mode {
} else {
if case .action = appearance {
// TODO: hack, generalize
header = ChatListSearchItemHeader(type: .orImportIntoAnExistingGroup, theme: presentationData.theme, strings: presentationData.strings, actionTitle: nil, action: nil)
}
}
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListAdditionalCategoryItem(
presentationData: ItemListPresentationData(theme: presentationData.theme, fontSize: presentationData.fontSize, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder),
context: context,
title: title,
image: image,
appearance: appearance,
isSelected: selected,
header: header,
action: {
nodeInteraction.additionalCategorySelected(id)
}
), directionHint: entry.directionHint)
case let .PeerEntry(peerEntry):
let index = peerEntry.index
let presentationData = peerEntry.presentationData
let combinedReadState = peerEntry.readState
let isRemovedFromTotalUnreadCount = peerEntry.isRemovedFromTotalUnreadCount
let draftState = peerEntry.draftState
let peer = peerEntry.peer
let threadInfo = peerEntry.threadInfo
let presence = peerEntry.presence
let hasUnseenMentions = peerEntry.hasUnseenMentions
let hasUnseenReactions = peerEntry.hasUnseenReactions
let editing = peerEntry.editing
let hasActiveRevealControls = peerEntry.hasActiveRevealControls
let selected = peerEntry.selected
let inputActivities = peerEntry.inputActivities
let promoInfo = peerEntry.promoInfo
let hasFailedMessages = peerEntry.hasFailedMessages
let isContact = peerEntry.isContact
let forumTopicData = peerEntry.forumTopicData
let topForumTopicItems = peerEntry.topForumTopicItems
let revealed = peerEntry.revealed
switch mode {
case .chatList:
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListItem(
presentationData: presentationData,
context: context,
chatListLocation: location,
filterData: filterData,
index: index,
content: .peer(ChatListItemContent.PeerData(
messages: peerEntry.messages,
peer: peer,
threadInfo: threadInfo,
combinedReadState: combinedReadState,
isRemovedFromTotalUnreadCount: isRemovedFromTotalUnreadCount,
presence: presence,
hasUnseenMentions: hasUnseenMentions,
hasUnseenReactions: hasUnseenReactions,
draftState: draftState,
inputActivities: inputActivities,
promoInfo: promoInfo,
ignoreUnreadBadge: false,
displayAsMessage: false,
hasFailedMessages: hasFailedMessages,
forumTopicData: forumTopicData,
topForumTopicItems: topForumTopicItems,
autoremoveTimeout: peerEntry.autoremoveTimeout
)),
editing: editing,
hasActiveRevealControls: hasActiveRevealControls,
selected: selected,
header: nil,
enableContextActions: true,
hiddenOffset: threadInfo?.isHidden == true && !revealed,
interaction: nodeInteraction
), directionHint: entry.directionHint)
case let .peers(filter, isSelecting, _, filters, displayAutoremoveTimeout):
let itemPeer = peer.chatMainPeer
var chatPeer: EnginePeer?
if let peer = peer.peers[peer.peerId] {
chatPeer = peer
}
var enabled = true
if let isPeerEnabled {
if let itemPeer {
enabled = isPeerEnabled(itemPeer)
}
} else {
if filter.contains(.onlyWriteable) {
if let peer = peer.peers[peer.peerId] {
if !canSendMessagesToPeer(peer._asPeer()) {
enabled = false
}
} else {
enabled = false
}
if let threadInfo, threadInfo.isClosed, case let .channel(channel) = itemPeer {
if threadInfo.isOwnedByMe || channel.hasPermission(.manageTopics) {
} else {
enabled = false
}
}
}
if filter.contains(.onlyPrivateChats) {
if let peer = peer.peers[peer.peerId] {
switch peer {
case .user, .secretChat:
break
default:
enabled = false
}
} else {
enabled = false
}
}
if filter.contains(.onlyGroups) {
if let peer = peer.peers[peer.peerId] {
if case .legacyGroup = peer {
} else if case let .channel(peer) = peer, case .group = peer.info {
} else {
enabled = false
}
} else {
enabled = false
}
}
if filter.contains(.onlyManageable) {
if let peer = peer.peers[peer.peerId] {
var canManage = false
if case let .legacyGroup(peer) = peer {
switch peer.role {
case .creator, .admin:
canManage = true
default:
break
}
}
if canManage {
} else if case let .channel(peer) = peer, case .group = peer.info, peer.hasPermission(.inviteMembers) {
} else {
enabled = false
}
} else {
enabled = false
}
}
if filter.contains(.excludeChannels) {
if let peer = peer.peers[peer.peerId] {
if case let .channel(peer) = peer, case .broadcast = peer.info {
enabled = false
}
}
}
}
var header: ChatListSearchItemHeader?
switch mode {
case let .peers(_, _, additionalCategories, _, _):
if !additionalCategories.isEmpty {
let headerType: ChatListSearchItemHeaderType
if case .action = additionalCategories[0].appearance {
// TODO: hack, generalize
headerType = .orImportIntoAnExistingGroup
} else {
headerType = .chats
}
header = ChatListSearchItemHeader(type: headerType, theme: presentationData.theme, strings: presentationData.strings, actionTitle: nil, action: nil)
}
default:
break
}
var status: ContactsPeerItemStatus = .none
if isSelecting, let itemPeer = itemPeer {
if let (string, multiline, isActive, icon) = statusStringForPeerType(accountPeerId: context.account.peerId, strings: presentationData.strings, peer: itemPeer, isMuted: isRemovedFromTotalUnreadCount, isUnread: combinedReadState?.isUnread ?? false, isContact: isContact, hasUnseenMentions: hasUnseenMentions, chatListFilters: filters, displayAutoremoveTimeout: displayAutoremoveTimeout, autoremoveTimeout: peerEntry.autoremoveTimeout) {
status = .custom(string: string, multiline: multiline, isActive: isActive, icon: icon)
} else {
status = .none
}
}
let peerContent: ContactsPeerItemPeer
if let threadInfo = threadInfo, let itemPeer = itemPeer {
peerContent = .thread(peer: itemPeer, title: threadInfo.info.title, icon: threadInfo.info.icon, color: threadInfo.info.iconColor)
} else {
peerContent = .peer(peer: itemPeer, chatPeer: chatPeer)
}
var threadId: Int64?
switch index {
case let .forum(_, _, threadIdValue, _, _):
threadId = threadIdValue
case .chatList:
break
}
var isForum = false
if let peer = chatPeer, case let .channel(channel) = peer, channel.flags.contains(.isForum) {
isForum = true
if editing, case .chatList = mode {
enabled = false
}
}
var selectable = editing
if case .chatList = mode {
if isForum {
selectable = false
}
}
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ContactsPeerItem(
presentationData: ItemListPresentationData(theme: presentationData.theme, fontSize: presentationData.fontSize, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder),
sortOrder: presentationData.nameSortOrder,
displayOrder: presentationData.nameDisplayOrder,
context: context,
peerMode: .generalSearch,
peer: peerContent,
status: status,
enabled: enabled,
selection: selectable ? .selectable(selected: selected) : .none,
editing: ContactsPeerItemEditing(editable: false, editing: false, revealed: false),
index: nil,
header: header,
action: { _ in
if let chatPeer = chatPeer {
if editing {
nodeInteraction.togglePeerSelected(chatPeer, threadId)
} else {
nodeInteraction.peerSelected(chatPeer, nil, threadId, nil)
}
}
}, disabledAction: isForum && editing ? nil : { _ in
if let chatPeer = chatPeer {
nodeInteraction.disabledPeerSelected(chatPeer, threadId)
}
},
animationCache: nodeInteraction.animationCache,
animationRenderer: nodeInteraction.animationRenderer
), directionHint: entry.directionHint)
case .peerType:
let itemPeer = peer.chatMainPeer
var chatPeer: EnginePeer?
if let peer = peer.peers[peer.peerId] {
chatPeer = peer
}
let peerContent: ContactsPeerItemPeer = .peer(peer: itemPeer, chatPeer: chatPeer)
let status: ContactsPeerItemStatus = .none
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ContactsPeerItem(
presentationData: ItemListPresentationData(theme: presentationData.theme, fontSize: presentationData.fontSize, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder),
sortOrder: presentationData.nameSortOrder,
displayOrder: presentationData.nameDisplayOrder,
context: context,
peerMode: .generalSearch,
peer: peerContent,
status: status,
enabled: true,
selection: .none,
editing: ContactsPeerItemEditing(editable: false, editing: false, revealed: false),
index: nil,
header: nil,
action: { _ in
if let chatPeer = chatPeer {
nodeInteraction.peerSelected(chatPeer, nil, nil, nil)
}
}, disabledAction: nil,
animationCache: nodeInteraction.animationCache,
animationRenderer: nodeInteraction.animationRenderer
), directionHint: entry.directionHint)
}
case let .HoleEntry(_, theme):
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListHoleItem(theme: theme), directionHint: entry.directionHint)
case let .GroupReferenceEntry(index, presentationData, groupId, peers, message, editing, unreadCount, revealed, hiddenByDefault):
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListItem(
presentationData: presentationData,
context: context,
chatListLocation: location,
filterData: filterData,
index: index,
content: .groupReference(
groupId: groupId,
peers: peers,
message: message,
unreadCount: unreadCount,
hiddenByDefault: hiddenByDefault
),
editing: editing,
hasActiveRevealControls: false,
selected: false,
header: nil,
enableContextActions: true,
hiddenOffset: hiddenByDefault && !revealed,
interaction: nodeInteraction
), directionHint: entry.directionHint)
case let .ArchiveIntro(presentationData):
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListArchiveInfoItem(theme: presentationData.theme, strings: presentationData.strings), directionHint: entry.directionHint)
case let .Notice(presentationData, notice):
return ListViewInsertItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListStorageInfoItem(theme: presentationData.theme, strings: presentationData.strings, notice: notice, action: { [weak nodeInteraction] in
switch notice {
case .clearStorage:
nodeInteraction?.openStorageManagement()
case .setupPassword:
nodeInteraction?.openPasswordSetup()
case .premiumUpgrade, .premiumAnnualDiscount:
nodeInteraction?.openPremiumIntro()
}
}), directionHint: entry.directionHint)
}
}
}
private func mappedUpdateEntries(context: AccountContext, nodeInteraction: ChatListNodeInteraction, location: ChatListControllerLocation, filterData: ChatListItemFilterData?, mode: ChatListNodeMode, isPeerEnabled: ((EnginePeer) -> Bool)?, entries: [ChatListNodeViewTransitionUpdateEntry]) -> [ListViewUpdateItem] {
return entries.map { entry -> ListViewUpdateItem in
switch entry.entry {
case let .PeerEntry(peerEntry):
let index = peerEntry.index
let presentationData = peerEntry.presentationData
let combinedReadState = peerEntry.readState
let isRemovedFromTotalUnreadCount = peerEntry.isRemovedFromTotalUnreadCount
let draftState = peerEntry.draftState
let peer = peerEntry.peer
let threadInfo = peerEntry.threadInfo
let presence = peerEntry.presence
let hasUnseenMentions = peerEntry.hasUnseenMentions
let hasUnseenReactions = peerEntry.hasUnseenReactions
let editing = peerEntry.editing
let hasActiveRevealControls = peerEntry.hasActiveRevealControls
let selected = peerEntry.selected
let inputActivities = peerEntry.inputActivities
let promoInfo = peerEntry.promoInfo
let hasFailedMessages = peerEntry.hasFailedMessages
let isContact = peerEntry.isContact
let forumTopicData = peerEntry.forumTopicData
let topForumTopicItems = peerEntry.topForumTopicItems
let revealed = peerEntry.revealed
switch mode {
case .chatList:
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListItem(
presentationData: presentationData,
context: context,
chatListLocation: location,
filterData: filterData,
index: index,
content: .peer(ChatListItemContent.PeerData(
messages: peerEntry.messages,
peer: peer,
threadInfo: threadInfo,
combinedReadState: combinedReadState,
isRemovedFromTotalUnreadCount: isRemovedFromTotalUnreadCount,
presence: presence,
hasUnseenMentions: hasUnseenMentions,
hasUnseenReactions: hasUnseenReactions,
draftState: draftState,
inputActivities: inputActivities,
promoInfo: promoInfo,
ignoreUnreadBadge: false,
displayAsMessage: false,
hasFailedMessages: hasFailedMessages,
forumTopicData: forumTopicData,
topForumTopicItems: topForumTopicItems,
autoremoveTimeout: peerEntry.autoremoveTimeout
)),
editing: editing,
hasActiveRevealControls: hasActiveRevealControls,
selected: selected,
header: nil,
enableContextActions: true,
hiddenOffset: threadInfo?.isHidden == true && !revealed,
interaction: nodeInteraction
), directionHint: entry.directionHint)
case let .peers(filter, isSelecting, _, filters, displayAutoremoveTimeout):
let itemPeer = peer.chatMainPeer
var chatPeer: EnginePeer?
if let peer = peer.peers[peer.peerId] {
chatPeer = peer
}
var enabled = true
if let isPeerEnabled {
if let itemPeer {
enabled = isPeerEnabled(itemPeer)
}
} else {
if filter.contains(.onlyWriteable) {
if let peer = peer.peers[peer.peerId] {
if !canSendMessagesToPeer(peer._asPeer()) {
enabled = false
}
} else {
enabled = false
}
if let threadInfo, threadInfo.isClosed, case let .channel(channel) = itemPeer {
if threadInfo.isOwnedByMe || channel.hasPermission(.manageTopics) {
} else {
enabled = false
}
}
}
if filter.contains(.excludeChannels) {
if case let .channel(peer) = peer.chatMainPeer, case .broadcast = peer.info {
enabled = false
}
}
}
var header: ChatListSearchItemHeader?
switch mode {
case let .peers(_, _, additionalCategories, _, _):
if !additionalCategories.isEmpty {
let headerType: ChatListSearchItemHeaderType
if case .action = additionalCategories[0].appearance {
// TODO: hack, generalize
headerType = .orImportIntoAnExistingGroup
} else {
headerType = .chats
}
header = ChatListSearchItemHeader(type: headerType, theme: presentationData.theme, strings: presentationData.strings, actionTitle: nil, action: nil)
}
default:
break
}
var status: ContactsPeerItemStatus = .none
if isSelecting, let itemPeer = itemPeer {
if let (string, multiline, isActive, icon) = statusStringForPeerType(accountPeerId: context.account.peerId, strings: presentationData.strings, peer: itemPeer, isMuted: isRemovedFromTotalUnreadCount, isUnread: combinedReadState?.isUnread ?? false, isContact: isContact, hasUnseenMentions: hasUnseenMentions, chatListFilters: filters, displayAutoremoveTimeout: displayAutoremoveTimeout, autoremoveTimeout: peerEntry.autoremoveTimeout) {
status = .custom(string: string, multiline: multiline, isActive: isActive, icon: icon)
} else {
status = .none
}
}
let peerContent: ContactsPeerItemPeer
if let threadInfo = threadInfo, let itemPeer = itemPeer {
peerContent = .thread(peer: itemPeer, title: threadInfo.info.title, icon: threadInfo.info.icon, color: threadInfo.info.iconColor)
} else {
peerContent = .peer(peer: itemPeer, chatPeer: chatPeer)
}
var threadId: Int64?
switch index {
case let .forum(_, _, threadIdValue, _, _):
threadId = threadIdValue
case .chatList:
break
}
var isForum = false
if let peer = chatPeer, case let .channel(channel) = peer, channel.flags.contains(.isForum) {
isForum = true
if editing, case .chatList = mode {
enabled = false
}
}
var selectable = editing
if case .chatList = mode {
if isForum {
selectable = false
}
}
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ContactsPeerItem(
presentationData: ItemListPresentationData(theme: presentationData.theme, fontSize: presentationData.fontSize, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder),
sortOrder: presentationData.nameSortOrder,
displayOrder: presentationData.nameDisplayOrder,
context: context,
peerMode: .generalSearch,
peer: peerContent,
status: status,
enabled: enabled,
selection: selectable ? .selectable(selected: selected) : .none,
editing: ContactsPeerItemEditing(editable: false, editing: false, revealed: false),
index: nil,
header: header,
action: { _ in
if let chatPeer = chatPeer {
if editing {
nodeInteraction.togglePeerSelected(chatPeer, threadId)
} else {
nodeInteraction.peerSelected(chatPeer, nil, threadId, nil)
}
}
}, disabledAction: isForum && editing ? nil : { _ in
if let chatPeer = chatPeer {
nodeInteraction.disabledPeerSelected(chatPeer, threadId)
}
},
animationCache: nodeInteraction.animationCache,
animationRenderer: nodeInteraction.animationRenderer
), directionHint: entry.directionHint)
case .peerType:
let itemPeer = peer.chatMainPeer
var chatPeer: EnginePeer?
if let peer = peer.peers[peer.peerId] {
chatPeer = peer
}
let peerContent: ContactsPeerItemPeer = .peer(peer: itemPeer, chatPeer: chatPeer)
let status: ContactsPeerItemStatus = .none
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ContactsPeerItem(
presentationData: ItemListPresentationData(theme: presentationData.theme, fontSize: presentationData.fontSize, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder),
sortOrder: presentationData.nameSortOrder,
displayOrder: presentationData.nameDisplayOrder,
context: context,
peerMode: .generalSearch,
peer: peerContent,
status: status,
enabled: true,
selection: .none,
editing: ContactsPeerItemEditing(editable: false, editing: false, revealed: false),
index: nil,
header: nil,
action: { _ in
if let chatPeer = chatPeer {
nodeInteraction.peerSelected(chatPeer, nil, nil, nil)
}
}, disabledAction: nil,
animationCache: nodeInteraction.animationCache,
animationRenderer: nodeInteraction.animationRenderer
), directionHint: entry.directionHint)
}
case let .HoleEntry(_, theme):
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListHoleItem(theme: theme), directionHint: entry.directionHint)
case let .GroupReferenceEntry(index, presentationData, groupId, peers, message, editing, unreadCount, revealed, hiddenByDefault):
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListItem(
presentationData: presentationData,
context: context,
chatListLocation: location,
filterData: filterData,
index: index,
content: .groupReference(
groupId: groupId,
peers: peers,
message: message,
unreadCount: unreadCount,
hiddenByDefault: hiddenByDefault
),
editing: editing,
hasActiveRevealControls: false,
selected: false,
header: nil,
enableContextActions: true,
hiddenOffset: hiddenByDefault && !revealed,
interaction: nodeInteraction
), directionHint: entry.directionHint)
case let .ArchiveIntro(presentationData):
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListArchiveInfoItem(theme: presentationData.theme, strings: presentationData.strings), directionHint: entry.directionHint)
case let .Notice(presentationData, notice):
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListStorageInfoItem(theme: presentationData.theme, strings: presentationData.strings, notice: notice, action: { [weak nodeInteraction] in
switch notice {
case .clearStorage:
nodeInteraction?.openStorageManagement()
case .setupPassword:
nodeInteraction?.openPasswordSetup()
case .premiumUpgrade, .premiumAnnualDiscount:
nodeInteraction?.openPremiumIntro()
}
}), directionHint: entry.directionHint)
case .HeaderEntry:
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListEmptyHeaderItem(), directionHint: entry.directionHint)
case let .AdditionalCategory(index: _, id, title, image, appearance, selected, presentationData):
var header: ChatListSearchItemHeader?
if case .peerType = mode {
} else {
if case .action = appearance {
// TODO: hack, generalize
header = ChatListSearchItemHeader(type: .orImportIntoAnExistingGroup, theme: presentationData.theme, strings: presentationData.strings, actionTitle: nil, action: nil)
}
}
return ListViewUpdateItem(index: entry.index, previousIndex: entry.previousIndex, item: ChatListAdditionalCategoryItem(
presentationData: ItemListPresentationData(theme: presentationData.theme, fontSize: presentationData.fontSize, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder),
context: context,
title: title,
image: image,
appearance: appearance,
isSelected: selected,
header: header,
action: {
nodeInteraction.additionalCategorySelected(id)
}
), directionHint: entry.directionHint)
}
}
}
private func mappedChatListNodeViewListTransition(context: AccountContext, nodeInteraction: ChatListNodeInteraction, location: ChatListControllerLocation, filterData: ChatListItemFilterData?, mode: ChatListNodeMode, isPeerEnabled: ((EnginePeer) -> Bool)?, transition: ChatListNodeViewTransition) -> ChatListNodeListViewTransition {
return ChatListNodeListViewTransition(chatListView: transition.chatListView, deleteItems: transition.deleteItems, insertItems: mappedInsertEntries(context: context, nodeInteraction: nodeInteraction, location: location, filterData: filterData, mode: mode, isPeerEnabled: isPeerEnabled, entries: transition.insertEntries), updateItems: mappedUpdateEntries(context: context, nodeInteraction: nodeInteraction, location: location, filterData: filterData, mode: mode, isPeerEnabled: isPeerEnabled, entries: transition.updateEntries), options: transition.options, scrollToItem: transition.scrollToItem, stationaryItemRange: transition.stationaryItemRange, adjustScrollToFirstItem: transition.adjustScrollToFirstItem, animateCrossfade: transition.animateCrossfade)
}
private final class ChatListOpaqueTransactionState {
let chatListView: ChatListNodeView
init(chatListView: ChatListNodeView) {
self.chatListView = chatListView
}
}
public enum ChatListSelectionOption {
case previous(unread: Bool)
case next(unread: Bool)
case peerId(EnginePeer.Id)
case index(Int)
}
public enum ChatListGlobalScrollOption {
case none
case top
case unread
}
public enum ChatListNodeScrollPosition {
case top
}
public enum ChatListNodeEmptyState: Equatable {
case notEmpty(containsChats: Bool, onlyArchive: Bool, onlyGeneralThread: Bool)
case empty(isLoading: Bool, hasArchiveInfo: Bool)
}
public final class ChatListNode: ListView {
private let fillPreloadItems: Bool
private let context: AccountContext
private let location: ChatListControllerLocation
private let mode: ChatListNodeMode
private let animationCache: AnimationCache
private let animationRenderer: MultiAnimationRenderer
private let _ready = ValuePromise<Bool>()
private var didSetReady = false
public var ready: Signal<Bool, NoError> {
return _ready.get()
}
private let _contentsReady = ValuePromise<Bool>()
private var didSetContentsReady = false
public var contentsReady: Signal<Bool, NoError> {
return _contentsReady.get()
}
public var peerSelected: ((EnginePeer, Int64?, Bool, Bool, ChatListNodeEntryPromoInfo?) -> Void)?
public var disabledPeerSelected: ((EnginePeer, Int64?) -> Void)?
public var additionalCategorySelected: ((Int) -> Void)?
public var groupSelected: ((EngineChatList.Group) -> Void)?
public var addContact: ((String) -> Void)?
public var activateSearch: (() -> Void)?
public var deletePeerChat: ((EnginePeer.Id, Bool) -> Void)?
public var deletePeerThread: ((EnginePeer.Id, Int64) -> Void)?
public var setPeerThreadStopped: ((EnginePeer.Id, Int64, Bool) -> Void)?
public var setPeerThreadPinned: ((EnginePeer.Id, Int64, Bool) -> Void)?
public var setPeerThreadHidden: ((EnginePeer.Id, Int64, Bool) -> Void)?
public var updatePeerGrouping: ((EnginePeer.Id, Bool) -> Void)?
public var presentAlert: ((String) -> Void)?
public var present: ((ViewController) -> Void)?
public var push: ((ViewController) -> Void)?
public var toggleArchivedFolderHiddenByDefault: (() -> Void)?
public var hidePsa: ((EnginePeer.Id) -> Void)?
public var activateChatPreview: ((ChatListItem, Int64?, ASDisplayNode, ContextGesture?, CGPoint?) -> Void)?
private var theme: PresentationTheme
private let viewProcessingQueue = Queue()
private var chatListView: ChatListNodeView?
var entriesCount: Int {
if let chatListView = self.chatListView {
return chatListView.filteredEntries.count
} else {
return 0
}
}
private var interaction: ChatListNodeInteraction?
private var dequeuedInitialTransitionOnLayout = false
private var enqueuedTransition: (ChatListNodeListViewTransition, () -> Void)?
public private(set) var currentState: ChatListNodeState
private let statePromise: ValuePromise<ChatListNodeState>
public var state: Signal<ChatListNodeState, NoError> {
return self.statePromise.get()
}
private var currentLocation: ChatListNodeLocation?
public private(set) var chatListFilter: ChatListFilter? {
didSet {
self.chatListFilterValue.set(.single(self.chatListFilter))
if self.chatListFilter != oldValue {
self.setChatListLocation(.initial(count: 50, filter: self.chatListFilter))
}
}
}
private let updatedFilterDisposable = MetaDisposable()
private let chatListFilterValue = Promise<ChatListFilter?>()
var chatListFilterSignal: Signal<ChatListFilter?, NoError> {
return self.chatListFilterValue.get()
}
private var hasUpdatedAppliedChatListFilterValueOnce = false
private var currentAppliedChatListFilterValue: ChatListFilter?
private let appliedChatListFilterValue = Promise<ChatListFilter?>()
var appliedChatListFilterSignal: Signal<ChatListFilter?, NoError> {
return self.appliedChatListFilterValue.get()
}
private let chatListLocation = ValuePromise<ChatListNodeLocation>()
private let chatListDisposable = MetaDisposable()
private var activityStatusesDisposable: Disposable?
private let scrollToTopOptionPromise = Promise<ChatListGlobalScrollOption>(.none)
public var scrollToTopOption: Signal<ChatListGlobalScrollOption, NoError> {
return self.scrollToTopOptionPromise.get()
}
private let scrolledAtTop = ValuePromise<Bool>(true)
private var scrolledAtTopValue: Bool = true {
didSet {
if self.scrolledAtTopValue != oldValue {
self.scrolledAtTop.set(self.scrolledAtTopValue)
}
}
}
public var contentOffsetChanged: ((ListViewVisibleContentOffset) -> Void)?
public var contentScrollingEnded: ((ListView) -> Bool)?
public var isEmptyUpdated: ((ChatListNodeEmptyState, Bool, ContainedViewLayoutTransition) -> Void)?
private var currentIsEmptyState: ChatListNodeEmptyState?
public var addedVisibleChatsWithPeerIds: (([EnginePeer.Id]) -> Void)?
private let currentRemovingItemId = Atomic<ChatListNodeState.ItemId?>(value: nil)
public func setCurrentRemovingItemId(_ itemId: ChatListNodeState.ItemId?) {
let _ = self.currentRemovingItemId.swap(itemId)
}
private var hapticFeedback: HapticFeedback?
let preloadItems = Promise<[ChatHistoryPreloadItem]>([])
var didBeginSelectingChats: (() -> Void)?
public var selectionCountChanged: ((Int) -> Void)?
var isSelectionGestureEnabled = true
public var selectionLimit: Int32 = 100
public var reachedSelectionLimit: ((Int32) -> Void)?
private var visibleTopInset: CGFloat?
private var originalTopInset: CGFloat?
public var passthroughPeerSelection = false
let hideArhiveIntro = ValuePromise<Bool>(false, ignoreRepeated: true)
public init(context: AccountContext, location: ChatListControllerLocation, chatListFilter: ChatListFilter? = nil, previewing: Bool, fillPreloadItems: Bool, mode: ChatListNodeMode, isPeerEnabled: ((EnginePeer) -> Bool)? = nil, theme: PresentationTheme, fontSize: PresentationFontSize, strings: PresentationStrings, dateTimeFormat: PresentationDateTimeFormat, nameSortOrder: PresentationPersonNameOrder, nameDisplayOrder: PresentationPersonNameOrder, animationCache: AnimationCache, animationRenderer: MultiAnimationRenderer, disableAnimations: Bool, isInlineMode: Bool) {
self.context = context
self.location = location
self.chatListFilter = chatListFilter
self.chatListFilterValue.set(.single(chatListFilter))
self.fillPreloadItems = fillPreloadItems
self.mode = mode
self.animationCache = animationCache
self.animationRenderer = animationRenderer
var isSelecting = false
if case .peers(_, true, _, _, _) = mode {
isSelecting = true
}
self.currentState = ChatListNodeState(presentationData: ChatListPresentationData(theme: theme, fontSize: fontSize, strings: strings, dateTimeFormat: dateTimeFormat, nameSortOrder: nameSortOrder, nameDisplayOrder: nameDisplayOrder, disableAnimations: disableAnimations), editing: isSelecting, peerIdWithRevealedOptions: nil, selectedPeerIds: Set(), foundPeers: [], selectedPeerMap: [:], selectedAdditionalCategoryIds: Set(), peerInputActivities: nil, pendingRemovalItemIds: Set(), pendingClearHistoryPeerIds: Set(), hiddenItemShouldBeTemporaryRevealed: false, hiddenPsaPeerId: nil, selectedThreadIds: Set())
self.statePromise = ValuePromise(self.currentState, ignoreRepeated: true)
self.theme = theme
super.init()
self.verticalScrollIndicatorColor = theme.list.scrollIndicatorColor
self.verticalScrollIndicatorFollowsOverscroll = true
self.keepMinimalScrollHeightWithTopInset = navigationBarSearchContentHeight
let nodeInteraction = ChatListNodeInteraction(context: context, animationCache: self.animationCache, animationRenderer: self.animationRenderer, activateSearch: { [weak self] in
if let strongSelf = self, let activateSearch = strongSelf.activateSearch {
activateSearch()
}
}, peerSelected: { [weak self] peer, _, threadId, promoInfo in
if let strongSelf = self, let peerSelected = strongSelf.peerSelected {
peerSelected(peer, threadId, true, true, promoInfo)
}
}, disabledPeerSelected: { [weak self] peer, threadId in
if let strongSelf = self, let disabledPeerSelected = strongSelf.disabledPeerSelected {
disabledPeerSelected(peer, threadId)
}
}, togglePeerSelected: { [weak self] peer, _ in
guard let strongSelf = self else {
return
}
if case .peers = strongSelf.mode, strongSelf.passthroughPeerSelection {
if let strongSelf = self, let peerSelected = strongSelf.peerSelected {
peerSelected(peer, nil, true, true, nil)
}
return
}
var didBeginSelecting = false
var count = 0
strongSelf.updateState { [weak self] state in
var state = state
if state.selectedPeerIds.contains(peer.id) {
state.selectedPeerIds.remove(peer.id)
} else {
if state.selectedPeerIds.count < strongSelf.selectionLimit {
if state.selectedPeerIds.isEmpty {
didBeginSelecting = true
}
state.selectedPeerIds.insert(peer.id)
state.selectedPeerMap[peer.id] = peer
} else {
self?.reachedSelectionLimit?(Int32(state.selectedPeerIds.count))
}
}
count = state.selectedPeerIds.count
return state
}
strongSelf.selectionCountChanged?(count)
if didBeginSelecting {
strongSelf.didBeginSelectingChats?()
}
}, togglePeersSelection: { [weak self] peers, selected in
self?.updateState { state in
var state = state
if selected {
for peerEntry in peers {
switch peerEntry {
case let .peer(peer):
state.selectedPeerIds.insert(peer.id)
state.selectedPeerMap[peer.id] = peer
case let .peerId(peerId):
state.selectedPeerIds.insert(peerId)
}
}
} else {
for peerEntry in peers {
switch peerEntry {
case let .peer(peer):
state.selectedPeerIds.remove(peer.id)
case let .peerId(peerId):
state.selectedPeerIds.remove(peerId)
}
}
}
return state
}
if selected && !peers.isEmpty {
self?.didBeginSelectingChats?()
}
}, additionalCategorySelected: { [weak self] id in
self?.additionalCategorySelected?(id)
}, messageSelected: { [weak self] peer, threadId, message, promoInfo in
if let strongSelf = self, let peerSelected = strongSelf.peerSelected {
var activateInput = false
for media in message.media {
if let action = media as? TelegramMediaAction {
switch action.action {
case .peerJoined, .groupCreated, .channelMigratedFromGroup, .historyCleared:
activateInput = true
default:
break
}
}
}
peerSelected(peer, threadId, true, activateInput, promoInfo)
}
}, groupSelected: { [weak self] groupId in
if let strongSelf = self, let groupSelected = strongSelf.groupSelected {
groupSelected(groupId)
}
}, addContact: { _ in
}, setPeerIdWithRevealedOptions: { [weak self] peerId, fromPeerId in
if let strongSelf = self {
strongSelf.updateState { state in
if (peerId == nil && fromPeerId == state.peerIdWithRevealedOptions?.peerId) || (peerId != nil && fromPeerId == nil) || (peerId == nil && fromPeerId == nil) {
var state = state
if let peerId = peerId {
state.peerIdWithRevealedOptions = ChatListNodeState.ItemId(peerId: peerId, threadId: nil)
} else {
state.peerIdWithRevealedOptions = nil
}
return state
} else {
return state
}
}
}
}, setItemPinned: { [weak self] itemId, _ in
let _ = (context.engine.data.get(TelegramEngine.EngineData.Item.Peer.Peer(id: context.account.peerId))
|> deliverOnMainQueue).start(next: { peer in
guard let strongSelf = self else {
return
}
guard case let .chatList(groupId) = strongSelf.location else {
return
}
let isPremium = peer?.isPremium ?? false
let location: TogglePeerChatPinnedLocation
if let chatListFilter = chatListFilter {
location = .filter(chatListFilter.id)
} else {
location = .group(groupId._asGroup())
}
let _ = (context.engine.peers.toggleItemPinned(location: location, itemId: itemId)
|> deliverOnMainQueue).start(next: { result in
if let strongSelf = self {
switch result {
case .done:
break
case let .limitExceeded(count, _):
if isPremium {
if case .filter = location {
let controller = PremiumLimitScreen(context: context, subject: .chatsPerFolder, count: Int32(count), action: {})
strongSelf.push?(controller)
} else {
let controller = PremiumLimitScreen(context: context, subject: .pins, count: Int32(count), action: {})
strongSelf.push?(controller)
}
} else {
if case .filter = location {
var replaceImpl: ((ViewController) -> Void)?
let controller = PremiumLimitScreen(context: context, subject: .chatsPerFolder, count: Int32(count), action: {
let premiumScreen = PremiumIntroScreen(context: context, source: .pinnedChats)
replaceImpl?(premiumScreen)
})
strongSelf.push?(controller)
replaceImpl = { [weak controller] c in
controller?.replace(with: c)
}
} else {
var replaceImpl: ((ViewController) -> Void)?
let controller = PremiumLimitScreen(context: context, subject: .pins, count: Int32(count), action: {
let premiumScreen = PremiumIntroScreen(context: context, source: .pinnedChats)
replaceImpl?(premiumScreen)
})
strongSelf.push?(controller)
replaceImpl = { [weak controller] c in
controller?.replace(with: c)
}
}
}
}
}
})
})
}, setPeerMuted: { [weak self] peerId, _ in
guard let strongSelf = self else {
return
}
strongSelf.setCurrentRemovingItemId(ChatListNodeState.ItemId(peerId: peerId, threadId: nil))
let _ = (context.engine.peers.togglePeerMuted(peerId: peerId, threadId: nil)
|> deliverOnMainQueue).start(completed: {
self?.updateState { state in
var state = state
state.peerIdWithRevealedOptions = nil
return state
}
self?.setCurrentRemovingItemId(nil)
})
}, setPeerThreadMuted: { [weak self] peerId, threadId, value in
self?.setCurrentRemovingItemId(ChatListNodeState.ItemId(peerId: peerId, threadId: threadId))
let _ = (context.engine.peers.updatePeerMuteSetting(peerId: peerId, threadId: threadId, muteInterval: value ? Int32.max : 0)
|> deliverOnMainQueue).start(completed: {
self?.updateState { state in
var state = state
state.peerIdWithRevealedOptions = nil
return state
}
self?.setCurrentRemovingItemId(nil)
})
}, deletePeer: { [weak self] peerId, joined in
self?.deletePeerChat?(peerId, joined)
}, deletePeerThread: { [weak self] peerId, threadId in
self?.deletePeerThread?(peerId, threadId)
}, setPeerThreadStopped: { [weak self] peerId, threadId, isStopped in
self?.setPeerThreadStopped?(peerId, threadId, isStopped)
}, setPeerThreadPinned: { [weak self] peerId, threadId, isPinned in
self?.setPeerThreadPinned?(peerId, threadId, isPinned)
}, setPeerThreadHidden: { [weak self] peerId, threadId, isHidden in
self?.setPeerThreadHidden?(peerId, threadId, isHidden)
}, updatePeerGrouping: { [weak self] peerId, group in
self?.updatePeerGrouping?(peerId, group)
}, togglePeerMarkedUnread: { [weak self, weak context] peerId, animated in
guard let context = context else {
return
}
self?.setCurrentRemovingItemId(ChatListNodeState.ItemId(peerId: peerId, threadId: nil))
let _ = (context.engine.messages.togglePeersUnreadMarkInteractively(peerIds: [peerId], setToValue: nil)
|> deliverOnMainQueue).start(completed: {
self?.updateState { state in
var state = state
state.peerIdWithRevealedOptions = nil
return state
}
self?.setCurrentRemovingItemId(nil)
})
}, toggleArchivedFolderHiddenByDefault: { [weak self] in
self?.toggleArchivedFolderHiddenByDefault?()
}, toggleThreadsSelection: { [weak self] threadIds, selected in
self?.updateState { state in
var state = state
if selected {
for threadId in threadIds {
state.selectedThreadIds.insert(threadId)
}
} else {
for threadId in threadIds {
state.selectedThreadIds.remove(threadId)
}
}
return state
}
if selected && !threadIds.isEmpty {
self?.didBeginSelectingChats?()
}
}, hidePsa: { [weak self] id in
self?.hidePsa?(id)
}, activateChatPreview: { [weak self] item, threadId, node, gesture, location in
guard let strongSelf = self else {
return
}
if let activateChatPreview = strongSelf.activateChatPreview {
activateChatPreview(item, threadId, node, gesture, location)
} else {
gesture?.cancel()
}
}, present: { [weak self] c in
self?.present?(c)
}, openForumThread: { [weak self] peerId, threadId in
guard let self else {
return
}
let _ = (self.context.engine.data.get(TelegramEngine.EngineData.Item.Peer.Peer(id: peerId))
|> deliverOnMainQueue).start(next: { [weak self] peer in
guard let self, let peer else {
return
}
self.peerSelected?(peer, threadId, true, true, nil)
})
}, openStorageManagement: { [weak self] in
guard let self else {
return
}
let controller = self.context.sharedContext.makeStorageManagementController(context: self.context)
self.push?(controller)
}, openPasswordSetup: { [weak self] in
guard let self else {
return
}
Queue.mainQueue().after(0.6) { [weak self] in
if let self {
let _ = dismissServerProvidedSuggestion(account: self.context.account, suggestion: .setupPassword).start()
}
}
let controller = self.context.sharedContext.makeSetupTwoFactorAuthController(context: self.context)
self.push?(controller)
}, openPremiumIntro: { [weak self] in
guard let self else {
return
}
Queue.mainQueue().after(0.6) { [weak self] in
if let self {
let _ = dismissServerProvidedSuggestion(account: self.context.account, suggestion: .annualPremium).start()
let _ = dismissServerProvidedSuggestion(account: self.context.account, suggestion: .upgradePremium).start()
}
}
let controller = self.context.sharedContext.makePremiumIntroController(context: self.context, source: .ads)
self.push?(controller)
})
nodeInteraction.isInlineMode = isInlineMode
let viewProcessingQueue = self.viewProcessingQueue
let chatListViewUpdate = self.chatListLocation.get()
|> distinctUntilChanged
|> mapToSignal { listLocation -> Signal<(ChatListNodeViewUpdate, ChatListFilter?), NoError> in
return chatListViewForLocation(chatListLocation: location, location: listLocation, account: context.account)
|> map { update in
return (update, listLocation.filter)
}
}
let previousState = Atomic<ChatListNodeState>(value: self.currentState)
let previousView = Atomic<ChatListNodeView?>(value: nil)
let previousHideArchivedFolderByDefault = Atomic<Bool?>(value: nil)
let currentRemovingItemId = self.currentRemovingItemId
let savedMessagesPeer: Signal<EnginePeer?, NoError>
if case let .peers(filter, _, _, _, _) = mode, filter.contains(.onlyWriteable), case .chatList = location, self.chatListFilter == nil {
savedMessagesPeer = context.account.postbox.loadedPeerWithId(context.account.peerId)
|> map(Optional.init)
|> map { peer in
return peer.flatMap(EnginePeer.init)
}
} else {
savedMessagesPeer = .single(nil)
}
let hideArchivedFolderByDefault = context.account.postbox.preferencesView(keys: [ApplicationSpecificPreferencesKeys.chatArchiveSettings])
|> map { view -> Bool in
let settings: ChatArchiveSettings = view.values[ApplicationSpecificPreferencesKeys.chatArchiveSettings]?.get(ChatArchiveSettings.self) ?? .default
return settings.isHiddenByDefault
}
|> distinctUntilChanged
let displayArchiveIntro: Signal<Bool, NoError>
if case .chatList(.archive) = location {
let displayArchiveIntroData = context.sharedContext.accountManager.noticeEntry(key: ApplicationSpecificNotice.archiveIntroDismissedKey())
|> map { entry -> Bool in
if let value = entry.value?.get(ApplicationSpecificVariantNotice.self) {
return !value.value
} else {
return true
}
}
|> take(1)
|> afterNext { value in
Queue.mainQueue().async {
if value {
let _ = (context.sharedContext.accountManager.transaction { transaction -> Void in
ApplicationSpecificNotice.setArchiveIntroDismissed(transaction: transaction, value: true)
}).start()
}
}
}
displayArchiveIntro = combineLatest(displayArchiveIntroData, self.hideArhiveIntro.get())
|> map { a, b -> Bool in
return a && !b
}
} else {
displayArchiveIntro = .single(false)
}
let suggestedChatListNotice: Signal<ChatListNotice?, NoError>
if case .chatList(groupId: .root) = location, chatListFilter == nil {
suggestedChatListNotice = .single(nil)
|> then (
combineLatest(
getServerProvidedSuggestions(account: context.account),
context.engine.auth.twoStepVerificationConfiguration()
)
|> mapToSignal { suggestions, configuration -> Signal<ChatListNotice?, NoError> in
if suggestions.contains(.setupPassword) {
var notSet = false
switch configuration {
case let .notSet(pendingEmail):
if pendingEmail == nil {
notSet = true
}
case .set:
break
}
if notSet {
return .single(.setupPassword)
}
}
if suggestions.contains(.annualPremium) || suggestions.contains(.upgradePremium), let inAppPurchaseManager = context.inAppPurchaseManager {
return inAppPurchaseManager.availableProducts
|> map { products -> ChatListNotice? in
if products.count > 1 {
let shortestOptionPrice: (Int64, NSDecimalNumber)
if let product = products.first(where: { $0.id.hasSuffix(".monthly") }) {
shortestOptionPrice = (Int64(Float(product.priceCurrencyAndAmount.amount)), product.priceValue)
} else {
shortestOptionPrice = (1, NSDecimalNumber(decimal: 1))
}
for product in products {
if product.id.hasSuffix(".annual") {
let fraction = Float(product.priceCurrencyAndAmount.amount) / Float(12) / Float(shortestOptionPrice.0)
let discount = Int32(round((1.0 - fraction) * 20.0) * 5.0)
if discount > 0 {
if suggestions.contains(.annualPremium) {
return .premiumAnnualDiscount(discount: discount)
} else if suggestions.contains(.upgradePremium) {
return .premiumUpgrade(discount: discount)
}
}
break
}
}
return nil
} else {
return nil
}
}
} else {
return .single(nil)
}
}
)
|> distinctUntilChanged
} else {
suggestedChatListNotice = .single(nil)
}
let storageInfo: Signal<Double?, NoError>
if !"".isEmpty, case .chatList(groupId: .root) = location, chatListFilter == nil {
let totalSizeSignal = combineLatest(context.account.postbox.mediaBox.storageBox.totalSize(), context.account.postbox.mediaBox.cacheStorageBox.totalSize())
|> map { a, b -> Int64 in
return a + b
}
storageInfo = totalSizeSignal
|> take(1)
|> mapToSignal { initialSize -> Signal<Double?, NoError> in
#if DEBUG
let fractionLimit: Double = 0.0001
#else
let fractionLimit: Double = 0.3
#endif
let systemAttributes = try? FileManager.default.attributesOfFileSystem(forPath: NSHomeDirectory() as String)
let deviceFreeSpace = (systemAttributes?[FileAttributeKey.systemFreeSize] as? NSNumber)?.int64Value ?? 0
let initialFraction: Double
if deviceFreeSpace != 0 && initialSize != 0 {
initialFraction = Double(initialSize) / Double(deviceFreeSpace + initialSize)
} else {
initialFraction = 0.0
}
let initialReportSize: Double?
if initialFraction > fractionLimit {
initialReportSize = Double(initialSize)
} else {
initialReportSize = nil
}
final class ReportState {
var lastSize: Int64
init(lastSize: Int64) {
self.lastSize = lastSize
}
}
let state = Atomic(value: ReportState(lastSize: initialSize))
let updatedReportSize: Signal<Double?, NoError> = Signal { subscriber in
let disposable = totalSizeSignal.start(next: { size in
let updatedSize = state.with { state -> Int64 in
if abs(initialSize - size) > 50 * 1024 * 1024 {
state.lastSize = size
return size
} else {
return -1
}
}
if updatedSize >= 0 {
let deviceFreeSpace = (systemAttributes?[FileAttributeKey.systemFreeSize] as? NSNumber)?.int64Value ?? 0
let updatedFraction: Double
if deviceFreeSpace != 0 && updatedSize != 0 {
updatedFraction = Double(updatedSize) / Double(deviceFreeSpace + updatedSize)
} else {
updatedFraction = 0.0
}
let updatedReportSize: Double?
if updatedFraction > fractionLimit {
updatedReportSize = Double(updatedSize)
} else {
updatedReportSize = nil
}
subscriber.putNext(updatedReportSize)
}
})
return ActionDisposable {
disposable.dispose()
}
}
return .single(initialReportSize)
|> then(
updatedReportSize
)
}
} else {
storageInfo = .single(nil)
}
let currentPeerId: EnginePeer.Id = context.account.peerId
let chatListNodeViewTransition = combineLatest(
queue: viewProcessingQueue,
hideArchivedFolderByDefault,
displayArchiveIntro,
storageInfo,
suggestedChatListNotice,
savedMessagesPeer,
chatListViewUpdate,
self.statePromise.get()
)
|> mapToQueue { (hideArchivedFolderByDefault, displayArchiveIntro, storageInfo, suggestedChatListNotice, savedMessagesPeer, updateAndFilter, state) -> Signal<ChatListNodeListViewTransition, NoError> in
let (update, filter) = updateAndFilter
let previousHideArchivedFolderByDefaultValue = previousHideArchivedFolderByDefault.swap(hideArchivedFolderByDefault)
let notice: ChatListNotice?
if let suggestedChatListNotice {
notice = suggestedChatListNotice
} else if let storageInfo {
notice = .clearStorage(sizeFraction: storageInfo)
} else {
notice = nil
}
let (rawEntries, isLoading) = chatListNodeEntriesForView(update.list, state: state, savedMessagesPeer: savedMessagesPeer, foundPeers: state.foundPeers, hideArchivedFolderByDefault: hideArchivedFolderByDefault, displayArchiveIntro: displayArchiveIntro, notice: notice, mode: mode, chatListLocation: location)
var isEmpty = true
var entries = rawEntries.filter { entry in
switch entry {
case let .PeerEntry(peerEntry):
let peer = peerEntry.peer
switch mode {
case .chatList:
isEmpty = false
return true
case let .peers(filter, _, _, _, _):
guard !filter.contains(.excludeSavedMessages) || peer.peerId != currentPeerId else { return false }
guard !filter.contains(.excludeSavedMessages) || !peer.peerId.isReplies else { return false }
guard !filter.contains(.excludeSecretChats) || peer.peerId.namespace != Namespaces.Peer.SecretChat else { return false }
guard !filter.contains(.onlyPrivateChats) || peer.peerId.namespace == Namespaces.Peer.CloudUser else { return false }
if let peer = peer.peer {
if peer.id.isReplies {
return false
}
switch peer {
case let .user(user):
if user.botInfo != nil {
if filter.contains(.excludeBots) {
return false
}
} else {
if filter.contains(.excludeUsers) {
return false
}
}
case .legacyGroup:
if filter.contains(.excludeGroups) {
return false
}
case let .channel(channel):
switch channel.info {
case .broadcast:
if filter.contains(.excludeChannels) {
return false
}
case .group:
if filter.contains(.excludeGroups) {
return false
}
}
default:
break
}
}
if filter.contains(.onlyGroupsAndChannels) {
if case .channel = peer.chatMainPeer {
} else if case .legacyGroup = peer.chatMainPeer {
} else {
return false
}
} else {
if filter.contains(.onlyGroups) {
var isGroup: Bool = false
if case let .channel(peer) = peer.chatMainPeer, case .group = peer.info {
isGroup = true
} else if peer.peerId.namespace == Namespaces.Peer.CloudGroup {
isGroup = true
}
if !isGroup {
return false
}
}
if filter.contains(.onlyChannels) {
if case let .channel(peer) = peer.chatMainPeer, case .broadcast = peer.info {
} else {
return false
}
}
}
if filter.contains(.excludeChannels) {
if case let .channel(peer) = peer.chatMainPeer, case .broadcast = peer.info {
}
}
if filter.contains(.onlyWriteable) && filter.contains(.excludeDisabled) {
if let peer = peer.peers[peer.peerId] {
if !canSendMessagesToPeer(peer._asPeer()) {
return false
}
} else {
return false
}
}
if filter.contains(.onlyManageable) && filter.contains(.excludeDisabled) {
if let peer = peer.peers[peer.peerId] {
var canManage = false
if case let .legacyGroup(peer) = peer {
switch peer.role {
case .creator, .admin:
canManage = true
default:
break
}
}
if canManage {
} else if case let .channel(peer) = peer, case .group = peer.info, peer.hasPermission(.inviteMembers) {
} else {
return false
}
} else {
return false
}
}
isEmpty = false
return true
case let .peerType(peerType):
if let peer = peer.peer, !peer.isDeleted && peer.id != context.account.peerId {
switch peerType {
case let .user(userType):
if case let .user(user) = peer {
if let isBot = userType.isBot {
if isBot != (user.botInfo != nil) {
return false
}
}
if let isPremium = userType.isPremium {
if isPremium != user.isPremium {
return false
}
}
isEmpty = false
return true
} else {
return false
}
case let .group(groupType):
if case let .legacyGroup(group) = peer {
if groupType.isCreator {
if case .creator = group.role {
} else {
return false
}
}
if let isForum = groupType.isForum, isForum {
return false
}
if let hasUsername = groupType.hasUsername, hasUsername {
return false
}
if let userAdminRights = groupType.userAdminRights {
if case .creator = group.role, userAdminRights.rights.contains(.canBeAnonymous) {
return false
} else if case let .admin(rights, _) = group.role {
if rights.rights.intersection(userAdminRights.rights) != userAdminRights.rights {
return false
}
} else if case .member = group.role {
return false
}
}
isEmpty = false
return true
} else if case let .channel(channel) = peer, case .group = channel.info {
if groupType.isCreator {
if !channel.flags.contains(.isCreator) {
return false
}
}
if let isForum = groupType.isForum {
if isForum != channel.flags.contains(.isForum) {
return false
}
}
if let hasUsername = groupType.hasUsername {
if hasUsername != (!(channel.addressName ?? "").isEmpty) {
return false
}
}
if let userAdminRights = groupType.userAdminRights {
if channel.flags.contains(.isCreator) {
if let rights = channel.adminRights, rights.rights.contains(.canBeAnonymous) != userAdminRights.rights.contains(.canBeAnonymous) {
return false
}
} else if let rights = channel.adminRights {
if rights.rights.intersection(userAdminRights.rights) != userAdminRights.rights {
return false
}
} else {
return false
}
}
isEmpty = false
return true
} else {
return false
}
case let .channel(channelType):
if case let .channel(channel) = peer, case .broadcast = channel.info {
if channelType.isCreator {
if !channel.flags.contains(.isCreator) {
return false
}
}
if let hasUsername = channelType.hasUsername {
if hasUsername != (!(channel.addressName ?? "").isEmpty) {
return false
}
}
if let userAdminRights = channelType.userAdminRights {
if channel.flags.contains(.isCreator) {
if let rights = channel.adminRights, rights.rights.contains(.canBeAnonymous) != userAdminRights.rights.contains(.canBeAnonymous) {
return false
}
} else if let rights = channel.adminRights {
if rights.rights.intersection(userAdminRights.rights) != userAdminRights.rights {
return false
}
} else {
return false
}
}
isEmpty = false
return true
} else {
return false
}
}
} else {
return false
}
}
case .GroupReferenceEntry:
isEmpty = false
return true
default:
return true
}
}
if isEmpty {
entries = []
}
let processedView = ChatListNodeView(originalList: update.list, filteredEntries: entries, isLoading: isLoading, filter: filter)
let previousView = previousView.swap(processedView)
let previousState = previousState.swap(state)
let reason: ChatListNodeViewTransitionReason
var prepareOnMainQueue = false
var previousWasEmptyOrSingleHole = false
if let previous = previousView {
if previous.filteredEntries.count == 1 {
if case .HoleEntry = previous.filteredEntries[0] {
previousWasEmptyOrSingleHole = true
}
} else if previous.filteredEntries.isEmpty && previous.isLoading {
previousWasEmptyOrSingleHole = true
}
} else {
previousWasEmptyOrSingleHole = true
}
var updatedScrollPosition = update.scrollPosition
if previousWasEmptyOrSingleHole {
reason = .initial
if previousView == nil {
prepareOnMainQueue = true
}
} else {
if previousView?.originalList === update.list {
reason = .interactiveChanges
updatedScrollPosition = nil
} else {
switch update.type {
case .InitialUnread, .Initial:
reason = .initial
prepareOnMainQueue = true
case .Generic:
reason = .interactiveChanges
case .UpdateVisible:
reason = .reload
case .FillHole:
reason = .reload
}
}
}
let removingItemId = currentRemovingItemId.with { $0 }
var disableAnimations = true
if previousState.editing != state.editing {
disableAnimations = false
} else {
var previousPinnedChats: [EnginePeer.Id] = []
var updatedPinnedChats: [EnginePeer.Id] = []
var previousPinnedThreads: [Int64] = []
var updatedPinnedThreads: [Int64] = []
var didIncludeRemovingPeerId = false
var didIncludeHiddenByDefaultArchive = false
var didIncludeHiddenThread = false
if let previous = previousView {
for entry in previous.filteredEntries {
if case let .PeerEntry(peerEntry) = entry {
let index = peerEntry.index
let threadInfo = peerEntry.threadInfo
if let threadInfo, threadInfo.isHidden {
didIncludeHiddenThread = true
}
if case let .chatList(chatListIndex) = index {
if chatListIndex.pinningIndex != nil {
previousPinnedChats.append(chatListIndex.messageIndex.id.peerId)
}
if ChatListNodeState.ItemId(peerId: chatListIndex.messageIndex.id.peerId, threadId: nil) == removingItemId {
didIncludeRemovingPeerId = true
}
} else if case let .forum(pinnedIndex, _, threadId, _, _) = index {
if case .index = pinnedIndex {
previousPinnedThreads.append(threadId)
}
if case let .forum(peerId) = location, ChatListNodeState.ItemId(peerId: peerId, threadId: threadId) == removingItemId {
didIncludeRemovingPeerId = true
}
}
} else if case let .GroupReferenceEntry(_, _, _, _, _, _, _, _, hiddenByDefault) = entry {
didIncludeHiddenByDefaultArchive = hiddenByDefault
}
}
}
var doesIncludeRemovingPeerId = false
var doesIncludeArchive = false
var doesIncludeHiddenByDefaultArchive = false
var doesIncludeHiddenThread = false
for entry in processedView.filteredEntries {
if case let .PeerEntry(peerEntry) = entry {
let index = peerEntry.index
let threadInfo = peerEntry.threadInfo
if let threadInfo, threadInfo.isHidden {
doesIncludeHiddenThread = true
}
if case let .chatList(index) = index, index.pinningIndex != nil {
updatedPinnedChats.append(index.messageIndex.id.peerId)
} else if case let .forum(pinnedIndex, _, threadId, _, _) = index {
if case .index = pinnedIndex {
updatedPinnedThreads.append(threadId)
}
}
if case let .chatList(index) = index, ChatListNodeState.ItemId(peerId: index.messageIndex.id.peerId, threadId: nil) == removingItemId {
doesIncludeRemovingPeerId = true
} else if case let .forum(_, _, threadId, _, _) = index {
if case let .forum(peerId) = location, ChatListNodeState.ItemId(peerId: peerId, threadId: threadId) == removingItemId {
doesIncludeRemovingPeerId = true
}
}
} else if case let .GroupReferenceEntry(_, _, _, _, _, _, _, _, hiddenByDefault) = entry {
doesIncludeArchive = true
doesIncludeHiddenByDefaultArchive = hiddenByDefault
}
}
if previousPinnedChats != updatedPinnedChats || previousPinnedThreads != updatedPinnedThreads {
disableAnimations = false
}
if previousState.selectedPeerIds != state.selectedPeerIds {
disableAnimations = false
}
if previousState.selectedAdditionalCategoryIds != state.selectedAdditionalCategoryIds {
disableAnimations = false
}
if doesIncludeRemovingPeerId != didIncludeRemovingPeerId {
disableAnimations = false
}
if hideArchivedFolderByDefault && previousState.hiddenItemShouldBeTemporaryRevealed != state.hiddenItemShouldBeTemporaryRevealed && doesIncludeArchive {
disableAnimations = false
}
if didIncludeHiddenByDefaultArchive != doesIncludeHiddenByDefaultArchive {
disableAnimations = false
}
if previousState.hiddenItemShouldBeTemporaryRevealed != state.hiddenItemShouldBeTemporaryRevealed && doesIncludeHiddenThread {
disableAnimations = false
}
if didIncludeHiddenThread != doesIncludeHiddenThread {
disableAnimations = false
}
}
if let _ = previousHideArchivedFolderByDefaultValue, previousHideArchivedFolderByDefaultValue != hideArchivedFolderByDefault {
disableAnimations = false
}
var searchMode = false
if case .peers = mode {
searchMode = true
}
if filter != previousView?.filter {
disableAnimations = true
updatedScrollPosition = nil
}
let filterData = filter.flatMap { filter -> ChatListItemFilterData? in
if case let .filter(_, _, _, data) = filter {
return ChatListItemFilterData(excludesArchived: data.excludeArchived)
} else {
return nil
}
}
return preparedChatListNodeViewTransition(from: previousView, to: processedView, reason: reason, previewing: previewing, disableAnimations: disableAnimations, account: context.account, scrollPosition: updatedScrollPosition, searchMode: searchMode)
|> map({ mappedChatListNodeViewListTransition(context: context, nodeInteraction: nodeInteraction, location: location, filterData: filterData, mode: mode, isPeerEnabled: isPeerEnabled, transition: $0) })
|> runOn(prepareOnMainQueue ? Queue.mainQueue() : viewProcessingQueue)
}
let appliedTransition = chatListNodeViewTransition |> deliverOnMainQueue |> mapToQueue { [weak self] transition -> Signal<Void, NoError> in
if let strongSelf = self {
return strongSelf.enqueueTransition(transition)
}
return .complete()
}
self.displayedItemRangeChanged = { [weak self] range, transactionOpaqueState in
if let strongSelf = self, let chatListView = (transactionOpaqueState as? ChatListOpaqueTransactionState)?.chatListView {
let originalList = chatListView.originalList
if let range = range.loadedRange {
var location: ChatListNodeLocation?
if range.firstIndex < 5, let lastItem = originalList.items.last, originalList.hasLater {
location = .navigation(index: lastItem.index, filter: strongSelf.chatListFilter)
} else if range.firstIndex >= 5, range.lastIndex >= originalList.items.count - 5, originalList.hasEarlier, let firstItem = originalList.items.first {
location = .navigation(index: firstItem.index, filter: strongSelf.chatListFilter)
}
if let location = location, location != strongSelf.currentLocation {
strongSelf.setChatListLocation(location)
}
strongSelf.enqueueHistoryPreloadUpdate()
}
var isHiddenItemVisible = false
if let range = range.visibleRange {
let entryCount = chatListView.filteredEntries.count
for i in range.firstIndex ..< range.lastIndex {
if i < 0 || i >= entryCount {
assertionFailure()
continue
}
switch chatListView.filteredEntries[entryCount - i - 1] {
case let .PeerEntry(peerEntry):
let threadInfo = peerEntry.threadInfo
if let threadInfo, threadInfo.isHidden {
isHiddenItemVisible = true
}
break
case .GroupReferenceEntry:
isHiddenItemVisible = true
default:
break
}
}
}
if !isHiddenItemVisible && strongSelf.currentState.hiddenItemShouldBeTemporaryRevealed {
strongSelf.updateState { state in
var state = state
state.hiddenItemShouldBeTemporaryRevealed = false
return state
}
}
}
}
self.interaction = nodeInteraction
self.chatListDisposable.set(appliedTransition.start())
let initialLocation: ChatListNodeLocation
switch mode {
case .chatList:
initialLocation = .initial(count: 50, filter: self.chatListFilter)
case .peers, .peerType:
initialLocation = .initial(count: 200, filter: self.chatListFilter)
}
self.setChatListLocation(initialLocation)
let engine = context.engine
let previousPeerCache = Atomic<[EnginePeer.Id: EnginePeer]>(value: [:])
let previousActivities = Atomic<ChatListNodePeerInputActivities?>(value: nil)
self.activityStatusesDisposable = (context.account.allPeerInputActivities()
|> mapToSignal { activitiesByPeerId -> Signal<[ChatListNodePeerInputActivities.ItemId: [(EnginePeer, PeerInputActivity)]], NoError> in
var activitiesByPeerId = activitiesByPeerId
for key in activitiesByPeerId.keys {
activitiesByPeerId[key]?.removeAll(where: { _, activity in
switch activity {
case .interactingWithEmoji:
return true
case .speakingInGroupCall:
return true
default:
return false
}
})
}
var foundAllPeers = true
var cachedResult: [ChatListNodePeerInputActivities.ItemId: [(EnginePeer, PeerInputActivity)]] = [:]
previousPeerCache.with { dict -> Void in
for (chatPeerId, activities) in activitiesByPeerId {
var threadId: Int64?
switch location {
case .chatList:
guard case .global = chatPeerId.category else {
continue
}
case let .forum(peerId):
if chatPeerId.peerId != peerId {
continue
}
guard case let .thread(threadIdValue) = chatPeerId.category else {
continue
}
threadId = threadIdValue
}
var cachedChatResult: [(EnginePeer, PeerInputActivity)] = []
for (peerId, activity) in activities {
if let peer = dict[peerId] {
cachedChatResult.append((peer, activity))
} else {
foundAllPeers = false
break
}
cachedResult[ChatListNodePeerInputActivities.ItemId(peerId: chatPeerId.peerId, threadId: threadId)] = cachedChatResult
}
}
}
if foundAllPeers {
return .single(cachedResult)
} else {
var dataKeys: [EnginePeer.Id] = []
for (peerId, activities) in activitiesByPeerId {
dataKeys.append(peerId.peerId)
for activity in activities {
dataKeys.append(activity.0)
}
}
return engine.data.get(EngineDataMap(
Set(dataKeys).map {
TelegramEngine.EngineData.Item.Peer.Peer(id: $0)
}
))
|> map { peerMap -> [ChatListNodePeerInputActivities.ItemId: [(EnginePeer, PeerInputActivity)]] in
var result: [ChatListNodePeerInputActivities.ItemId: [(EnginePeer, PeerInputActivity)]] = [:]
var peerCache: [EnginePeer.Id: EnginePeer] = [:]
for (chatPeerId, activities) in activitiesByPeerId {
let itemId: ChatListNodePeerInputActivities.ItemId
switch location {
case .chatList:
guard case .global = chatPeerId.category else {
continue
}
if case let .channel(channel) = peerMap[chatPeerId.peerId], channel.flags.contains(.isForum) {
continue
}
itemId = ChatListNodePeerInputActivities.ItemId(peerId: chatPeerId.peerId, threadId: nil)
case let .forum(peerId):
if chatPeerId.peerId != peerId {
continue
}
guard case let .thread(threadIdValue) = chatPeerId.category else {
continue
}
itemId = ChatListNodePeerInputActivities.ItemId(peerId: chatPeerId.peerId, threadId: threadIdValue)
}
var chatResult: [(EnginePeer, PeerInputActivity)] = []
for (peerId, activity) in activities {
if let maybePeer = peerMap[peerId], let peer = maybePeer {
chatResult.append((peer, activity))
peerCache[peerId] = peer
}
}
result[itemId] = chatResult
}
let _ = previousPeerCache.swap(peerCache)
return result
}
}
}
|> map { activities -> ChatListNodePeerInputActivities? in
return previousActivities.modify { current in
var updated = false
let currentList: [ChatListNodePeerInputActivities.ItemId: [(EnginePeer, PeerInputActivity)]] = current?.activities ?? [:]
if currentList.count != activities.count {
updated = true
} else {
outer: for (peerId, currentValue) in currentList {
if let value = activities[peerId] {
if currentValue.count != value.count {
updated = true
break outer
} else {
for i in 0 ..< currentValue.count {
if currentValue[i].0 != value[i].0 {
updated = true
break outer
}
if currentValue[i].1 != value[i].1 {
updated = true
break outer
}
}
}
} else {
updated = true
break outer
}
}
}
if updated {
if activities.isEmpty {
return nil
} else {
return ChatListNodePeerInputActivities(activities: activities)
}
} else {
return current
}
}
}
|> deliverOnMainQueue).start(next: { [weak self] activities in
if let strongSelf = self {
strongSelf.updateState { state in
var state = state
state.peerInputActivities = activities
return state
}
}
})
self.reorderItem = { [weak self] fromIndex, toIndex, transactionOpaqueState -> Signal<Bool, NoError> in
guard let strongSelf = self, let filteredEntries = (transactionOpaqueState as? ChatListOpaqueTransactionState)?.chatListView.filteredEntries else {
return .single(false)
}
guard fromIndex >= 0 && fromIndex < filteredEntries.count && toIndex >= 0 && toIndex < filteredEntries.count else {
return .single(false)
}
switch strongSelf.location {
case let .chatList(groupId):
let fromEntry = filteredEntries[filteredEntries.count - 1 - fromIndex]
let toEntry = filteredEntries[filteredEntries.count - 1 - toIndex]
var referenceId: EngineChatList.PinnedItem.Id?
var beforeAll = false
switch toEntry {
case let .PeerEntry(peerEntry):
let index = peerEntry.index
let promoInfo = peerEntry.promoInfo
if promoInfo != nil {
beforeAll = true
} else {
if case let .chatList(chatListIndex) = index {
referenceId = .peer(chatListIndex.messageIndex.id.peerId)
}
}
default:
break
}
if case let .index(index) = fromEntry.sortIndex, case let .chatList(chatListIndex) = index, let _ = chatListIndex.pinningIndex {
let location: TogglePeerChatPinnedLocation
if let chatListFilter = chatListFilter {
location = .filter(chatListFilter.id)
} else {
location = .group(groupId._asGroup())
}
let engine = strongSelf.context.engine
return engine.peers.getPinnedItemIds(location: location)
|> mapToSignal { itemIds -> Signal<Bool, NoError> in
var itemIds = itemIds
var itemId: EngineChatList.PinnedItem.Id?
switch fromEntry {
case let .PeerEntry(peerEntry):
if case let .chatList(index) = peerEntry.index {
itemId = .peer(index.messageIndex.id.peerId)
}
default:
break
}
if let itemId = itemId {
itemIds = itemIds.filter({ $0 != itemId })
if let referenceId = referenceId {
var inserted = false
for i in 0 ..< itemIds.count {
if itemIds[i] == referenceId {
if fromIndex < toIndex {
itemIds.insert(itemId, at: i + 1)
} else {
itemIds.insert(itemId, at: i)
}
inserted = true
break
}
}
if !inserted {
itemIds.append(itemId)
}
} else if beforeAll {
itemIds.insert(itemId, at: 0)
} else {
itemIds.append(itemId)
}
return engine.peers.reorderPinnedItemIds(location: location, itemIds: itemIds)
} else {
return .single(false)
}
}
} else {
return .single(false)
}
case let .forum(peerId):
let fromEntry = filteredEntries[filteredEntries.count - 1 - fromIndex]
let toEntry = filteredEntries[filteredEntries.count - 1 - toIndex]
var referenceId: Int64?
var beforeAll = false
switch toEntry {
case let .PeerEntry(peerEntry):
if peerEntry.promoInfo != nil {
beforeAll = true
} else {
if case let .forum(_, _, threadId, _, _) = peerEntry.index {
referenceId = threadId
}
}
default:
break
}
if case let .index(index) = fromEntry.sortIndex, case let .forum(pinningIndex, _, _, _, _) = index, case .index = pinningIndex {
let engine = strongSelf.context.engine
return engine.peers.getForumChannelPinnedTopics(id: peerId)
|> mapToSignal { itemIds -> Signal<Bool, NoError> in
var itemIds = itemIds
var itemId: Int64?
switch fromEntry {
case let .PeerEntry(peerEntry):
if case let .forum(_, _, threadId, _, _) = peerEntry.index {
itemId = threadId
}
default:
break
}
if let itemId = itemId {
itemIds = itemIds.filter({ $0 != itemId })
if let referenceId = referenceId {
var inserted = false
for i in 0 ..< itemIds.count {
if itemIds[i] == referenceId {
if fromIndex < toIndex {
itemIds.insert(itemId, at: i + 1)
} else {
itemIds.insert(itemId, at: i)
}
inserted = true
break
}
}
if !inserted {
itemIds.append(itemId)
}
} else if beforeAll {
itemIds.insert(itemId, at: 0)
} else {
itemIds.append(itemId)
}
return engine.peers.setForumChannelPinnedTopics(id: peerId, threadIds: itemIds)
|> map { _ -> Bool in
}
|> `catch` { _ -> Signal<Bool, NoError> in
return .single(false)
}
|> then(Signal<Bool, NoError>.single(true))
} else {
return .single(false)
}
}
} else {
return .single(false)
}
}
}
var startedScrollingAtUpperBound = false
self.beganInteractiveDragging = { [weak self] _ in
guard let strongSelf = self else {
return
}
switch strongSelf.visibleContentOffset() {
case .none, .unknown:
startedScrollingAtUpperBound = false
case let .known(value):
startedScrollingAtUpperBound = value <= 0.0
}
if strongSelf.currentState.peerIdWithRevealedOptions != nil {
strongSelf.updateState { state in
var state = state
state.peerIdWithRevealedOptions = nil
return state
}
}
}
self.didEndScrolling = { [weak self] _ in
guard let strongSelf = self else {
return
}
startedScrollingAtUpperBound = false
let _ = strongSelf.contentScrollingEnded?(strongSelf)
let revealHiddenItems: Bool
switch strongSelf.visibleContentOffset() {
case .none, .unknown:
revealHiddenItems = false
case let .known(value):
revealHiddenItems = value <= 54.0
}
if !revealHiddenItems && strongSelf.currentState.hiddenItemShouldBeTemporaryRevealed {
strongSelf.updateState { state in
var state = state
state.hiddenItemShouldBeTemporaryRevealed = false
return state
}
}
}
self.scrollToTopOptionPromise.set(combineLatest(
renderedTotalUnreadCount(accountManager: self.context.sharedContext.accountManager, engine: self.context.engine) |> deliverOnMainQueue,
self.scrolledAtTop.get()
) |> map { badge, scrolledAtTop -> ChatListGlobalScrollOption in
if scrolledAtTop {
return .none
} else {
return .top
}
})
self.visibleContentOffsetChanged = { [weak self] offset in
guard let strongSelf = self else {
return
}
if !strongSelf.dequeuedInitialTransitionOnLayout {
return
}
let atTop: Bool
var revealHiddenItems: Bool = false
switch offset {
case .none, .unknown:
atTop = false
case let .known(value):
atTop = value <= 0.0
if startedScrollingAtUpperBound && strongSelf.isTracking {
revealHiddenItems = value <= -60.0
}
}
strongSelf.scrolledAtTopValue = atTop
strongSelf.contentOffsetChanged?(offset)
if revealHiddenItems && !strongSelf.currentState.hiddenItemShouldBeTemporaryRevealed {
var isHiddenItemVisible = false
strongSelf.forEachItemNode({ itemNode in
if let itemNode = itemNode as? ChatListItemNode, let item = itemNode.item {
if case let .peer(peerData) = item.content, let threadInfo = peerData.threadInfo {
if threadInfo.isHidden {
isHiddenItemVisible = true
}
}
if case let .groupReference(_, _, _, _, hiddenByDefault) = item.content {
if hiddenByDefault {
isHiddenItemVisible = true
}
}
}
})
if isHiddenItemVisible {
if strongSelf.hapticFeedback == nil {
strongSelf.hapticFeedback = HapticFeedback()
}
strongSelf.hapticFeedback?.impact(.medium)
strongSelf.updateState { state in
var state = state
state.hiddenItemShouldBeTemporaryRevealed = true
return state
}
}
}
}
self.resetFilter()
let selectionRecognizer = ChatHistoryListSelectionRecognizer(target: self, action: #selector(self.selectionPanGesture(_:)))
selectionRecognizer.shouldBegin = { [weak self] in
guard let strongSelf = self else {
return false
}
return strongSelf.isSelectionGestureEnabled
}
self.view.addGestureRecognizer(selectionRecognizer)
// if case .forum = location {
// self.isSelectionGestureEnabled = false
// }
}
deinit {
self.chatListDisposable.dispose()
self.activityStatusesDisposable?.dispose()
self.updatedFilterDisposable.dispose()
}
func updateFilter(_ filter: ChatListFilter?) {
if filter?.id != self.chatListFilter?.id {
self.chatListFilter = filter
self.resetFilter()
}
}
private func resetFilter() {
if let chatListFilter = self.chatListFilter {
self.updatedFilterDisposable.set((self.context.engine.peers.updatedChatListFilters()
|> map { filters -> ChatListFilter? in
for filter in filters {
if filter.id == chatListFilter.id {
return filter
}
}
return nil
}
|> deliverOnMainQueue).start(next: { [weak self] updatedFilter in
guard let strongSelf = self else {
return
}
if strongSelf.chatListFilter != updatedFilter {
strongSelf.chatListFilter = updatedFilter
}
}))
} else {
self.updatedFilterDisposable.set(nil)
}
}
public func updateThemeAndStrings(theme: PresentationTheme, fontSize: PresentationFontSize, strings: PresentationStrings, dateTimeFormat: PresentationDateTimeFormat, nameSortOrder: PresentationPersonNameOrder, nameDisplayOrder: PresentationPersonNameOrder, disableAnimations: Bool) {
if theme !== self.currentState.presentationData.theme || strings !== self.currentState.presentationData.strings || dateTimeFormat != self.currentState.presentationData.dateTimeFormat {
self.theme = theme
if self.keepTopItemOverscrollBackground != nil {
self.keepTopItemOverscrollBackground = ListViewKeepTopItemOverscrollBackground(color: theme.chatList.pinnedItemBackgroundColor, direction: true)
}
self.verticalScrollIndicatorColor = theme.list.scrollIndicatorColor
self.updateState { state in
var state = state
state.presentationData = ChatListPresentationData(theme: theme, fontSize: fontSize, strings: strings, dateTimeFormat: dateTimeFormat, nameSortOrder: nameSortOrder, nameDisplayOrder: nameDisplayOrder, disableAnimations: disableAnimations)
return state
}
}
}
public func updateState(_ f: (ChatListNodeState) -> ChatListNodeState) {
let state = f(self.currentState)
if state != self.currentState {
self.currentState = state
self.statePromise.set(state)
}
}
private func enqueueTransition(_ transition: ChatListNodeListViewTransition) -> Signal<Void, NoError> {
return Signal { [weak self] subscriber in
if let strongSelf = self {
if let _ = strongSelf.enqueuedTransition {
preconditionFailure()
}
strongSelf.enqueuedTransition = (transition, {
subscriber.putCompletion()
})
if strongSelf.isNodeLoaded, strongSelf.dequeuedInitialTransitionOnLayout {
strongSelf.dequeueTransition()
} else {
if !strongSelf.didSetReady {
strongSelf.didSetReady = true
strongSelf._ready.set(true)
}
}
} else {
subscriber.putCompletion()
}
return EmptyDisposable
} |> runOn(Queue.mainQueue())
}
private func dequeueTransition() {
if let (transition, completion) = self.enqueuedTransition {
self.enqueuedTransition = nil
let completion: (ListViewDisplayedItemRange) -> Void = { [weak self] visibleRange in
if let strongSelf = self {
strongSelf.chatListView = transition.chatListView
if strongSelf.fillPreloadItems {
let filteredEntries = transition.chatListView.filteredEntries
var preloadItems: [ChatHistoryPreloadItem] = []
if !transition.chatListView.originalList.hasLater {
for entry in filteredEntries.reversed() {
switch entry {
case let .PeerEntry(peerEntry):
if peerEntry.promoInfo == nil {
var hasUnread = false
if let combinedReadState = peerEntry.readState {
hasUnread = combinedReadState.count > 0
}
switch peerEntry.index {
case let .chatList(index):
preloadItems.append(ChatHistoryPreloadItem(index: index, threadId: nil, isMuted: peerEntry.isRemovedFromTotalUnreadCount, hasUnread: hasUnread))
case .forum:
break
}
}
default:
break
}
if preloadItems.count >= 30 {
break
}
}
}
strongSelf.preloadItems.set(.single(preloadItems))
}
var pinnedOverscroll = false
if case .chatList = strongSelf.mode {
let entryCount = transition.chatListView.filteredEntries.count
if entryCount >= 1 {
if case let .index(index) = transition.chatListView.filteredEntries[entryCount - 1].sortIndex, case let .chatList(chatListIndex) = index, chatListIndex.pinningIndex != nil {
pinnedOverscroll = true
}
}
}
if pinnedOverscroll != (strongSelf.keepTopItemOverscrollBackground != nil) {
if pinnedOverscroll {
strongSelf.keepTopItemOverscrollBackground = ListViewKeepTopItemOverscrollBackground(color: strongSelf.theme.chatList.pinnedItemBackgroundColor, direction: true)
} else {
strongSelf.keepTopItemOverscrollBackground = nil
}
}
if let scrollToItem = transition.scrollToItem, case .center = scrollToItem.position {
if let itemNode = strongSelf.itemNodeAtIndex(scrollToItem.index) as? ChatListItemNode {
itemNode.flashHighlight()
}
}
if !strongSelf.didSetReady {
strongSelf.didSetReady = true
strongSelf._ready.set(true)
}
if !strongSelf.didSetContentsReady {
strongSelf.didSetContentsReady = true
strongSelf._contentsReady.set(true)
}
var isEmpty = false
var isLoading = false
var hasArchiveInfo = false
if transition.chatListView.filteredEntries.isEmpty {
isEmpty = true
} else {
if transition.chatListView.filteredEntries.count <= 2 {
isEmpty = true
loop1: for entry in transition.chatListView.filteredEntries {
switch entry {
case .HeaderEntry, .HoleEntry:
break
default:
if case .ArchiveIntro = entry {
hasArchiveInfo = true
}
isEmpty = false
break loop1
}
}
isLoading = true
var hasHoles = false
loop2: for entry in transition.chatListView.filteredEntries {
switch entry {
case .HoleEntry:
hasHoles = true
case .HeaderEntry:
break
default:
isLoading = false
break loop2
}
}
if !hasHoles {
isLoading = false
}
} else {
for entry in transition.chatListView.filteredEntries.reversed().prefix(2) {
if case .ArchiveIntro = entry {
hasArchiveInfo = true
break
}
}
}
}
let isEmptyState: ChatListNodeEmptyState
if transition.chatListView.isLoading {
isEmptyState = .empty(isLoading: true, hasArchiveInfo: hasArchiveInfo)
} else if isEmpty {
isEmptyState = .empty(isLoading: isLoading, hasArchiveInfo: false)
} else {
var containsChats = false
var threadCount = 0
var hasGeneral = false
var hasArchive = false
loop: for entry in transition.chatListView.filteredEntries {
switch entry {
case .GroupReferenceEntry, .HoleEntry, .PeerEntry:
if case .GroupReferenceEntry = entry {
hasArchive = true
} else {
containsChats = true
}
if case .forum = strongSelf.location {
if case let .PeerEntry(peerEntry) = entry, let threadInfo = peerEntry.threadInfo {
if threadInfo.id == 1 {
hasGeneral = true
}
threadCount += 1
if threadCount > 1 {
break loop
}
}
} else {
break loop
}
case .ArchiveIntro, .Notice, .HeaderEntry, .AdditionalCategory:
break
}
}
isEmptyState = .notEmpty(containsChats: containsChats || hasArchive, onlyArchive: hasArchive && !containsChats, onlyGeneralThread: hasGeneral && threadCount == 1)
}
var insertedPeerIds: [EnginePeer.Id] = []
for item in transition.insertItems {
if let item = item.item as? ChatListItem {
switch item.content {
case let .peer(peerData):
insertedPeerIds.append(peerData.peer.peerId)
case .groupReference:
break
}
}
}
if !insertedPeerIds.isEmpty {
strongSelf.addedVisibleChatsWithPeerIds?(insertedPeerIds)
}
var isEmptyUpdate: ContainedViewLayoutTransition = .immediate
if transition.options.contains(.AnimateInsertion) || transition.animateCrossfade {
isEmptyUpdate = .animated(duration: 0.25, curve: .easeInOut)
}
if strongSelf.currentIsEmptyState != isEmptyState {
strongSelf.currentIsEmptyState = isEmptyState
strongSelf.isEmptyUpdated?(isEmptyState, transition.chatListView.filter != nil, isEmptyUpdate)
}
if !strongSelf.hasUpdatedAppliedChatListFilterValueOnce || transition.chatListView.filter != strongSelf.currentAppliedChatListFilterValue {
strongSelf.currentAppliedChatListFilterValue = transition.chatListView.filter
strongSelf.appliedChatListFilterValue.set(.single(transition.chatListView.filter))
}
completion()
}
}
var options = transition.options
if self.view.window != nil {
if !options.contains(.AnimateInsertion) {
options.insert(.PreferSynchronousDrawing)
options.insert(.PreferSynchronousResourceLoading)
}
if options.contains(.AnimateCrossfade) && !self.isDeceleratingAfterTracking {
options.insert(.PreferSynchronousDrawing)
}
}
var scrollToItem = transition.scrollToItem
if transition.adjustScrollToFirstItem {
var offset: CGFloat = 0.0
if let visibleTopInset = self.visibleTopInset {
offset = visibleTopInset - self.insets.top
} else {
switch self.visibleContentOffset() {
case let .known(value) where abs(value) < .ulpOfOne:
offset = 0.0
default:
offset = -navigationBarSearchContentHeight
}
}
scrollToItem = ListViewScrollToItem(index: 0, position: .top(offset), animated: false, curve: .Default(duration: 0.0), directionHint: .Up)
}
self.transaction(deleteIndices: transition.deleteItems, insertIndicesAndItems: transition.insertItems, updateIndicesAndItems: transition.updateItems, options: options, scrollToItem: scrollToItem, stationaryItemRange: transition.stationaryItemRange, updateOpaqueState: ChatListOpaqueTransactionState(chatListView: transition.chatListView), completion: completion)
}
}
var isNavigationHidden: Bool {
switch self.visibleContentOffset() {
case let .known(value) where abs(value) < navigationBarSearchContentHeight - 1.0:
return false
default:
return true
}
}
var isNavigationInAFinalState: Bool {
switch self.visibleContentOffset() {
case let .known(value):
if value < navigationBarSearchContentHeight - 1.0 {
if abs(value - 0.0) < 1.0 {
return true
}
if abs(value - navigationBarSearchContentHeight) < 1.0 {
return true
}
return false
} else {
return true
}
default:
return true
}
}
func adjustScrollOffsetForNavigation(isNavigationHidden: Bool) {
if self.isNavigationHidden == isNavigationHidden {
return
}
var scrollToItem: ListViewScrollToItem?
switch self.visibleContentOffset() {
case let .known(value) where abs(value) < navigationBarSearchContentHeight - 1.0:
if isNavigationHidden {
scrollToItem = ListViewScrollToItem(index: 0, position: .top(-navigationBarSearchContentHeight), animated: false, curve: .Default(duration: 0.0), directionHint: .Up)
}
default:
if !isNavigationHidden {
scrollToItem = ListViewScrollToItem(index: 0, position: .top(0.0), animated: false, curve: .Default(duration: 0.0), directionHint: .Up)
}
}
if let scrollToItem = scrollToItem {
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous], scrollToItem: scrollToItem, updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
}
}
public func fixContentOffset(offset: CGFloat) {
let _ = self.scrollToOffsetFromTop(offset, animated: false)
/*let scrollToItem: ListViewScrollToItem = ListViewScrollToItem(index: 0, position: .top(-offset), animated: false, curve: .Default(duration: 0.0), directionHint: .Up)
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous], scrollToItem: scrollToItem, updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })*/
}
public func updateLayout(transition: ContainedViewLayoutTransition, updateSizeAndInsets: ListViewUpdateSizeAndInsets, visibleTopInset: CGFloat, originalTopInset: CGFloat, inlineNavigationLocation: ChatListControllerLocation?, inlineNavigationTransitionFraction: CGFloat) {
var highlightedLocation: ChatListHighlightedLocation?
if case let .forum(peerId) = inlineNavigationLocation {
highlightedLocation = ChatListHighlightedLocation(location: .peer(id: peerId), progress: inlineNavigationTransitionFraction)
}
var navigationLocationPresenceUpdated = false
if (self.interaction?.inlineNavigationLocation == nil) != (highlightedLocation == nil) {
navigationLocationPresenceUpdated = true
}
var navigationLocationUpdated = false
if self.interaction?.inlineNavigationLocation != highlightedLocation {
self.interaction?.inlineNavigationLocation = highlightedLocation
navigationLocationUpdated = true
}
let insetDelta: CGFloat = 0.0
if navigationLocationPresenceUpdated {
let targetTopInset: CGFloat
if highlightedLocation != nil {
targetTopInset = self.visibleTopInset ?? self.insets.top
} else {
targetTopInset = self.originalTopInset ?? self.insets.top
}
let immediateInsetDelta = self.insets.top - targetTopInset
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous], scrollToItem: nil, additionalScrollDistance: immediateInsetDelta, updateSizeAndInsets: ListViewUpdateSizeAndInsets(size: self.visibleSize, insets: UIEdgeInsets(top: targetTopInset, left: self.insets.left, bottom: self.insets.bottom, right: self.insets.right), duration: 0.0, curve: .Default(duration: 0.0)), stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
}
self.visualInsets = UIEdgeInsets(top: visibleTopInset, left: 0.0, bottom: 0.0, right: 0.0)
self.visibleTopInset = visibleTopInset
self.originalTopInset = originalTopInset
var additionalScrollDistance: CGFloat = 0.0
var options: ListViewDeleteAndInsertOptions = [.Synchronous, .LowLatency]
if navigationLocationUpdated {
options.insert(.ForceUpdate)
if transition.isAnimated {
options.insert(.AnimateInsertion)
}
additionalScrollDistance += insetDelta
}
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: options, scrollToItem: nil, additionalScrollDistance: additionalScrollDistance, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
if !self.dequeuedInitialTransitionOnLayout {
self.dequeuedInitialTransitionOnLayout = true
self.dequeueTransition()
}
}
public func scrollToPosition(_ position: ChatListNodeScrollPosition) {
if let list = self.chatListView?.originalList {
if !list.hasLater {
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
} else {
let location: ChatListNodeLocation = .scroll(index: .chatList(.absoluteUpperBound), sourceIndex: .chatList(.absoluteLowerBound), scrollPosition: .top(0.0), animated: true, filter: self.chatListFilter)
self.setChatListLocation(location)
}
} else {
let location: ChatListNodeLocation = .scroll(index: .chatList(.absoluteUpperBound), sourceIndex: .chatList(.absoluteLowerBound), scrollPosition: .top(0.0), animated: true, filter: self.chatListFilter)
self.setChatListLocation(location)
}
}
private func setChatListLocation(_ location: ChatListNodeLocation) {
self.currentLocation = location
self.chatListLocation.set(location)
}
private func relativeUnreadChatListIndex(position: EngineChatList.RelativePosition) -> Signal<EngineChatList.Item.Index?, NoError> {
guard case let .chatList(groupId) = self.location else {
return .single(nil)
}
let engine = self.context.engine
return self.context.sharedContext.accountManager.transaction { transaction -> Signal<EngineChatList.Item.Index?, NoError> in
var filter = true
if let inAppNotificationSettings = transaction.getSharedData(ApplicationSpecificSharedDataKeys.inAppNotificationSettings)?.get(InAppNotificationSettings.self) {
switch inAppNotificationSettings.totalUnreadCountDisplayStyle {
case .filtered:
filter = true
}
}
return engine.messages.getRelativeUnreadChatListIndex(filtered: filter, position: position, groupId: groupId)
}
|> switchToLatest
}
public func selectChat(_ option: ChatListSelectionOption) {
guard let interaction = self.interaction else {
return
}
guard let chatListView = (self.opaqueTransactionState as? ChatListOpaqueTransactionState)?.chatListView else {
return
}
guard let range = self.displayedItemRange.loadedRange else {
return
}
let entryCount = chatListView.filteredEntries.count
var current: (EngineChatList.Item.Index, EnginePeer, Int)? = nil
var previous: (EngineChatList.Item.Index, EnginePeer)? = nil
var next: (EngineChatList.Item.Index, EnginePeer)? = nil
outer: for i in range.firstIndex ..< range.lastIndex {
if i < 0 || i >= entryCount {
assertionFailure()
continue
}
switch chatListView.filteredEntries[entryCount - i - 1] {
case let .PeerEntry(peerEntry):
if interaction.highlightedChatLocation?.location == ChatLocation.peer(id: peerEntry.peer.peerId) {
current = (peerEntry.index, peerEntry.peer.peer!, entryCount - i - 1)
break outer
}
default:
break
}
}
switch option {
case .previous(unread: true), .next(unread: true):
let position: EngineChatList.RelativePosition
if let current = current {
if case .previous = option {
position = .earlier(than: current.0)
} else {
position = .later(than: current.0)
}
} else {
position = .later(than: nil)
}
let engine = self.context.engine
let _ = (relativeUnreadChatListIndex(position: position)
|> mapToSignal { index -> Signal<(EngineChatList.Item.Index, EnginePeer)?, NoError> in
if case let .chatList(index) = index {
return engine.data.get(TelegramEngine.EngineData.Item.Peer.Peer(id: index.messageIndex.id.peerId))
|> map { peer -> (EngineChatList.Item.Index, EnginePeer)? in
return peer.flatMap { peer -> (EngineChatList.Item.Index, EnginePeer)? in
(.chatList(index), peer)
}
}
} else {
return .single(nil)
}
}
|> deliverOnMainQueue).start(next: { [weak self] indexAndPeer in
guard let strongSelf = self, let (index, peer) = indexAndPeer else {
return
}
let location: ChatListNodeLocation = .scroll(index: index, sourceIndex: strongSelf.currentlyVisibleLatestChatListIndex() ?? .chatList(.absoluteLowerBound), scrollPosition: .center(.top), animated: true, filter: strongSelf.chatListFilter)
strongSelf.setChatListLocation(location)
strongSelf.peerSelected?(peer, nil, false, false, nil)
})
case .previous(unread: false), .next(unread: false):
var target: (EngineChatList.Item.Index, EnginePeer)? = nil
if let current = current, entryCount > 1 {
if current.2 > 0, case let .PeerEntry(peerEntry) = chatListView.filteredEntries[current.2 - 1] {
next = (peerEntry.index, peerEntry.peer.peer!)
}
if current.2 <= entryCount - 2, case let .PeerEntry(peerEntry) = chatListView.filteredEntries[current.2 + 1] {
previous = (peerEntry.index, peerEntry.peer.peer!)
}
if case .previous = option {
target = previous
} else {
target = next
}
} else if entryCount > 0 {
if case let .PeerEntry(peerEntry) = chatListView.filteredEntries[entryCount - 1] {
target = (peerEntry.index, peerEntry.peer.peer!)
}
}
if let target = target {
let location: ChatListNodeLocation = .scroll(index: target.0, sourceIndex: .chatList(.absoluteLowerBound), scrollPosition: .center(.top), animated: true, filter: self.chatListFilter)
self.setChatListLocation(location)
self.peerSelected?(target.1, nil, false, false, nil)
}
case let .peerId(peerId):
let _ = (self.context.engine.data.get(TelegramEngine.EngineData.Item.Peer.Peer(id: peerId))
|> deliverOnMainQueue).start(next: { [weak self] peer in
guard let strongSelf = self, let peer = peer else {
return
}
strongSelf.peerSelected?(peer, nil, false, false, nil)
})
case let .index(index):
guard index < 10 else {
return
}
let _ = (self.chatListFilterValue.get()
|> take(1)
|> deliverOnMainQueue).start(next: { [weak self] filter in
guard let self = self else {
return
}
guard case let .chatList(groupId) = self.location else {
return
}
let _ = (chatListViewForLocation(chatListLocation: .chatList(groupId: groupId), location: .initial(count: 10, filter: filter), account: self.context.account)
|> take(1)
|> deliverOnMainQueue).start(next: { update in
let items = update.list.items
if items.count > index {
let item = items[9 - index - 1]
let location: ChatListNodeLocation = .scroll(index: item.index, sourceIndex: .chatList(.absoluteLowerBound), scrollPosition: .center(.top), animated: true, filter: filter)
self.setChatListLocation(location)
self.peerSelected?(EnginePeer(item.renderedPeer.peer!._asPeer()), nil, false, false, nil)
}
})
})
}
}
private func enqueueHistoryPreloadUpdate() {
}
public func updateSelectedChatLocation(_ chatLocation: ChatLocation?, progress: CGFloat, transition: ContainedViewLayoutTransition) {
guard let interaction = self.interaction else {
return
}
if let chatLocation = chatLocation {
interaction.highlightedChatLocation = ChatListHighlightedLocation(location: chatLocation, progress: progress)
} else {
interaction.highlightedChatLocation = nil
}
self.forEachItemNode { itemNode in
if let itemNode = itemNode as? ChatListItemNode {
itemNode.updateIsHighlighted(transition: transition)
}
}
}
private func currentlyVisibleLatestChatListIndex() -> EngineChatList.Item.Index? {
guard let chatListView = (self.opaqueTransactionState as? ChatListOpaqueTransactionState)?.chatListView else {
return nil
}
if let range = self.displayedItemRange.visibleRange {
let entryCount = chatListView.filteredEntries.count
for i in range.firstIndex ..< range.lastIndex {
if i < 0 || i >= entryCount {
assertionFailure()
continue
}
switch chatListView.filteredEntries[entryCount - i - 1] {
case let .PeerEntry(peerEntry):
return peerEntry.index
default:
break
}
}
}
return nil
}
private func peerAtPoint(_ point: CGPoint) -> EnginePeer? {
var resultPeer: EnginePeer?
self.forEachVisibleItemNode { itemNode in
if resultPeer == nil, let itemNode = itemNode as? ListViewItemNode, itemNode.frame.contains(point) {
if let itemNode = itemNode as? ChatListItemNode, let item = itemNode.item {
switch item.content {
case let .peer(peerData):
resultPeer = peerData.peer.peer
default:
break
}
}
}
}
return resultPeer
}
private func threadIdAtPoint(_ point: CGPoint) -> Int64? {
var resultThreadId: Int64?
self.forEachVisibleItemNode { itemNode in
if resultThreadId == nil, let itemNode = itemNode as? ListViewItemNode, itemNode.frame.contains(point) {
if let itemNode = itemNode as? ChatListItemNode, let item = itemNode.item {
switch item.content {
case let .peer(peerData):
resultThreadId = peerData.threadInfo?.id
default:
break
}
}
}
}
return resultThreadId
}
private var selectionPanState: (selecting: Bool, initialPeerId: EnginePeer.Id, toggledPeerIds: [[EnginePeer.Id]])?
private var threadSelectionPanState: (selecting: Bool, initialThreadId: Int64, toggledThreadIds: [[Int64]])?
private var selectionScrollActivationTimer: SwiftSignalKit.Timer?
private var selectionScrollDisplayLink: ConstantDisplayLinkAnimator?
private var selectionScrollDelta: CGFloat?
private var selectionLastLocation: CGPoint?
@objc private func selectionPanGesture(_ recognizer: UIGestureRecognizer) -> Void {
let location = recognizer.location(in: self.view)
switch recognizer.state {
case .began:
switch self .location {
case .chatList:
if let peer = self.peerAtPoint(location) {
let selecting = !self.currentState.selectedPeerIds.contains(peer.id)
self.selectionPanState = (selecting, peer.id, [])
self.interaction?.togglePeersSelection([.peer(peer)], selecting)
}
case .forum:
if let threadId = self.threadIdAtPoint(location) {
let selecting = !self.currentState.selectedThreadIds.contains(threadId)
self.threadSelectionPanState = (selecting, threadId, [])
self.interaction?.toggleThreadsSelection([threadId], selecting)
}
}
case .changed:
self.handlePanSelection(location: location)
self.selectionLastLocation = location
case .ended, .failed, .cancelled:
self.threadSelectionPanState = nil
self.selectionPanState = nil
self.selectionScrollDisplayLink = nil
self.selectionScrollActivationTimer?.invalidate()
self.selectionScrollActivationTimer = nil
self.selectionScrollDelta = nil
self.selectionLastLocation = nil
self.selectionScrollSkipUpdate = false
case .possible:
break
@unknown default:
fatalError()
}
}
private func handlePanSelection(location: CGPoint) {
var location = location
if location.y < self.insets.top {
location.y = self.insets.top + 5.0
} else if location.y > self.frame.height - self.insets.bottom {
location.y = self.frame.height - self.insets.bottom - 5.0
}
var hasState = false
switch self.location {
case .chatList:
if let state = self.selectionPanState {
hasState = true
if let peer = self.peerAtPoint(location) {
if peer.id == state.initialPeerId {
if !state.toggledPeerIds.isEmpty {
self.interaction?.togglePeersSelection(state.toggledPeerIds.flatMap { $0.compactMap({ .peerId($0) }) }, !state.selecting)
self.selectionPanState = (state.selecting, state.initialPeerId, [])
}
} else if state.toggledPeerIds.last?.first != peer.id {
var updatedToggledPeerIds: [[EnginePeer.Id]] = []
var previouslyToggled = false
for i in (0 ..< state.toggledPeerIds.count) {
if let peerId = state.toggledPeerIds[i].first {
if peerId == peer.id {
previouslyToggled = true
updatedToggledPeerIds = Array(state.toggledPeerIds.prefix(i + 1))
let peerIdsToToggle = Array(state.toggledPeerIds.suffix(state.toggledPeerIds.count - i - 1)).flatMap { $0 }
self.interaction?.togglePeersSelection(peerIdsToToggle.compactMap { .peerId($0) }, !state.selecting)
break
}
}
}
if !previouslyToggled {
updatedToggledPeerIds = state.toggledPeerIds
let isSelected = self.currentState.selectedPeerIds.contains(peer.id)
if state.selecting != isSelected {
updatedToggledPeerIds.append([peer.id])
self.interaction?.togglePeersSelection([.peer(peer)], state.selecting)
}
}
self.selectionPanState = (state.selecting, state.initialPeerId, updatedToggledPeerIds)
}
}
}
case .forum:
if let state = self.threadSelectionPanState {
hasState = true
if let threadId = self.threadIdAtPoint(location) {
if threadId == state.initialThreadId {
if !state.toggledThreadIds.isEmpty {
self.interaction?.toggleThreadsSelection(Array(state.toggledThreadIds.joined()), !state.selecting)
self.threadSelectionPanState = (state.selecting, state.initialThreadId, [])
}
} else if state.toggledThreadIds.last?.first != threadId {
var updatedToggledThreadIds: [[Int64]] = []
var previouslyToggled = false
for i in (0 ..< state.toggledThreadIds.count) {
if let toggledThreadId = state.toggledThreadIds[i].first {
if toggledThreadId == threadId {
previouslyToggled = true
updatedToggledThreadIds = Array(state.toggledThreadIds.prefix(i + 1))
let threadIdsToToggle = Array(state.toggledThreadIds.suffix(state.toggledThreadIds.count - i - 1)).flatMap { $0 }
self.interaction?.toggleThreadsSelection(threadIdsToToggle.compactMap { $0 }, !state.selecting)
break
}
}
}
if !previouslyToggled {
updatedToggledThreadIds = state.toggledThreadIds
let isSelected = self.currentState.selectedThreadIds.contains(threadId)
if state.selecting != isSelected {
updatedToggledThreadIds.append([threadId])
self.interaction?.toggleThreadsSelection([threadId], state.selecting)
}
}
self.threadSelectionPanState = (state.selecting, state.initialThreadId, updatedToggledThreadIds)
}
}
}
}
guard hasState else {
return
}
let scrollingAreaHeight: CGFloat = 50.0
if location.y < scrollingAreaHeight + self.insets.top || location.y > self.frame.height - scrollingAreaHeight - self.insets.bottom {
if location.y < self.frame.height / 2.0 {
self.selectionScrollDelta = (scrollingAreaHeight - (location.y - self.insets.top)) / scrollingAreaHeight
} else {
self.selectionScrollDelta = -(scrollingAreaHeight - min(scrollingAreaHeight, max(0.0, (self.frame.height - self.insets.bottom - location.y)))) / scrollingAreaHeight
}
if let displayLink = self.selectionScrollDisplayLink {
displayLink.isPaused = false
} else {
if let _ = self.selectionScrollActivationTimer {
} else {
let timer = SwiftSignalKit.Timer(timeout: 0.45, repeat: false, completion: { [weak self] in
self?.setupSelectionScrolling()
}, queue: .mainQueue())
timer.start()
self.selectionScrollActivationTimer = timer
}
}
} else {
self.selectionScrollDisplayLink?.isPaused = true
self.selectionScrollActivationTimer?.invalidate()
self.selectionScrollActivationTimer = nil
}
}
private var selectionScrollSkipUpdate = false
private func setupSelectionScrolling() {
self.selectionScrollDisplayLink = ConstantDisplayLinkAnimator(update: { [weak self] in
self?.selectionScrollActivationTimer = nil
if let strongSelf = self, let delta = strongSelf.selectionScrollDelta {
let distance: CGFloat = 15.0 * min(1.0, 0.15 + abs(delta * delta))
let direction: ListViewScrollDirection = delta > 0.0 ? .up : .down
let _ = strongSelf.scrollWithDirection(direction, distance: distance)
if let location = strongSelf.selectionLastLocation {
if !strongSelf.selectionScrollSkipUpdate {
strongSelf.handlePanSelection(location: location)
}
strongSelf.selectionScrollSkipUpdate = !strongSelf.selectionScrollSkipUpdate
}
}
})
self.selectionScrollDisplayLink?.isPaused = false
}
}
private func statusStringForPeerType(accountPeerId: EnginePeer.Id, strings: PresentationStrings, peer: EnginePeer, isMuted: Bool, isUnread: Bool, isContact: Bool, hasUnseenMentions: Bool, chatListFilters: [ChatListFilter]?, displayAutoremoveTimeout: Bool, autoremoveTimeout: Int32?) -> (String, Bool, Bool, ContactsPeerItemStatus.Icon?)? {
if accountPeerId == peer.id {
return nil
}
if displayAutoremoveTimeout {
if let autoremoveTimeout = autoremoveTimeout {
return (strings.ChatList_LabelAutodeleteAfter(timeIntervalString(strings: strings, value: autoremoveTimeout, usage: .afterTime)).string, false, true, .autoremove)
} else {
return (strings.ChatList_LabelAutodeleteDisabled, false, false, .autoremove)
}
}
if let chatListFilters = chatListFilters {
var result = ""
for case let .filter(_, title, _, data) in chatListFilters {
let predicate = chatListFilterPredicate(filter: data)
if predicate.includes(peer: peer._asPeer(), groupId: .root, isRemovedFromTotalUnreadCount: isMuted, isUnread: isUnread, isContact: isContact, messageTagSummaryResult: hasUnseenMentions) {
if !result.isEmpty {
result.append(", ")
}
result.append(title)
}
}
if result.isEmpty {
return nil
} else {
return (result, true, false, nil)
}
}
if peer.id.isReplies {
return nil
} else if case let .user(user) = peer {
if user.botInfo != nil || user.flags.contains(.isSupport) {
return (strings.ChatList_PeerTypeBot, false, false, nil)
} else if isContact {
return (strings.ChatList_PeerTypeContact, false, false, nil)
} else {
return (strings.ChatList_PeerTypeNonContact, false, false, nil)
}
} else if case .secretChat = peer {
if isContact {
return (strings.ChatList_PeerTypeContact, false, false, nil)
} else {
return (strings.ChatList_PeerTypeNonContact, false, false, nil)
}
} else if case .legacyGroup = peer {
return (strings.ChatList_PeerTypeGroup, false, false, nil)
} else if case let .channel(channel) = peer {
if case .group = channel.info {
return (strings.ChatList_PeerTypeGroup, false, false, nil)
} else {
return (strings.ChatList_PeerTypeChannel, false, false, nil)
}
}
return (strings.ChatList_PeerTypeNonContact, false, false, nil)
}
public class ChatHistoryListSelectionRecognizer: UIPanGestureRecognizer {
private let selectionGestureActivationThreshold: CGFloat = 5.0
var recognized: Bool? = nil
var initialLocation: CGPoint = CGPoint()
public var shouldBegin: (() -> Bool)?
public override init(target: Any?, action: Selector?) {
super.init(target: target, action: action)
self.minimumNumberOfTouches = 2
self.maximumNumberOfTouches = 2
}
public override func reset() {
super.reset()
self.recognized = nil
}
public override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent) {
super.touchesBegan(touches, with: event)
if let shouldBegin = self.shouldBegin, !shouldBegin() {
self.state = .failed
} else {
let touch = touches.first!
self.initialLocation = touch.location(in: self.view)
}
}
public override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent) {
let location = touches.first!.location(in: self.view)
let translation = location.offsetBy(dx: -self.initialLocation.x, dy: -self.initialLocation.y)
let touchesArray = Array(touches)
if self.recognized == nil, touchesArray.count == 2 {
if let firstTouch = touchesArray.first, let secondTouch = touchesArray.last {
let firstLocation = firstTouch.location(in: self.view)
let secondLocation = secondTouch.location(in: self.view)
func distance(_ v1: CGPoint, _ v2: CGPoint) -> CGFloat {
let dx = v1.x - v2.x
let dy = v1.y - v2.y
return sqrt(dx * dx + dy * dy)
}
if distance(firstLocation, secondLocation) > 200.0 {
self.state = .failed
}
}
if self.state != .failed && (abs(translation.y) >= selectionGestureActivationThreshold) {
self.recognized = true
}
}
if let recognized = self.recognized, recognized {
super.touchesMoved(touches, with: event)
}
}
}