import Foundation
import UIKit
import SwiftSignalKit
import Display
import TelegramCore
import Postbox
import TelegramPresentationData
import ProgressNavigationButtonNode
import AccountContext
import SearchUI
import ChatListUI
public final class PeerSelectionControllerImpl: ViewController, PeerSelectionController {
private let context: AccountContext
private var presentationData: PresentationData
private var presentationDataDisposable: Disposable?
private var customTitle: String?
public var peerSelected: ((EnginePeer, Int64?) -> Void)?
public var multiplePeersSelected: (([EnginePeer], [EnginePeer.Id: EnginePeer], NSAttributedString, AttachmentTextInputPanelSendMode, ChatInterfaceForwardOptionsState?, ChatSendMessageActionSheetController.SendParameters?) -> Void)?
private let filter: ChatListNodePeersFilter
private let forumPeerId: EnginePeer.Id?
private let selectForumThreads: Bool
private let attemptSelection: ((EnginePeer, Int64?, ChatListDisabledPeerReason) -> Void)?
private let createNewGroup: (() -> Void)?
public var inProgress: Bool = false {
didSet {
if self.inProgress != oldValue {
if self.isNodeLoaded {
self.peerSelectionNode.inProgress = self.inProgress
}
if self.inProgress {
self.navigationItem.rightBarButtonItem = UIBarButtonItem(customDisplayNode: ProgressNavigationButtonNode(color: self.presentationData.theme.rootController.navigationBar.controlColor))
} else {
self.navigationItem.rightBarButtonItem = nil
}
}
}
}
public var customDismiss: (() -> Void)?
private var peerSelectionNode: PeerSelectionControllerNode {
return super.displayNode as! PeerSelectionControllerNode
}
let openMessageFromSearchDisposable: MetaDisposable = MetaDisposable()
private let _ready = Promise<Bool>()
override public var ready: Promise<Bool> {
return self._ready
}
private let hasChatListSelector: Bool
private let hasContactSelector: Bool
private let hasFilters: Bool
private let hasGlobalSearch: Bool
private let pretendPresentedInModal: Bool
private let forwardedMessageIds: [EngineMessage.Id]
private let hasTypeHeaders: Bool
private let requestPeerType: [ReplyMarkupButtonRequestPeerType]?
private let hasCreation: Bool
override public var _presentedInModal: Bool {
get {
if self.pretendPresentedInModal {
return true
} else {
return super._presentedInModal
}
} set(value) {
if !self.pretendPresentedInModal {
super._presentedInModal = value
}
}
}
private var searchContentNode: NavigationBarSearchContentNode?
var tabContainerNode: ChatListFilterTabContainerNode?
private var tabContainerData: ([ChatListFilterTabEntry], Bool, Int32?)?
private let filterDisposable = MetaDisposable()
private var validLayout: ContainerViewLayout?
public init(_ params: PeerSelectionControllerParams) {
self.context = params.context
self.filter = params.filter
self.forumPeerId = params.forumPeerId
self.hasFilters = params.hasFilters
self.hasChatListSelector = params.hasChatListSelector
self.hasContactSelector = params.hasContactSelector
self.hasGlobalSearch = params.hasGlobalSearch
self.presentationData = params.updatedPresentationData?.initial ?? params.context.sharedContext.currentPresentationData.with { $0 }
self.attemptSelection = params.attemptSelection
self.createNewGroup = params.createNewGroup
self.pretendPresentedInModal = params.pretendPresentedInModal
self.forwardedMessageIds = params.forwardedMessageIds
self.hasTypeHeaders = params.hasTypeHeaders
self.selectForumThreads = params.selectForumThreads
self.requestPeerType = params.requestPeerType
self.hasCreation = params.hasCreation
super.init(navigationBarPresentationData: NavigationBarPresentationData(presentationData: self.presentationData))
self.statusBar.statusBarStyle = self.presentationData.theme.rootController.statusBarStyle.style
self.customTitle = params.title
if let peerTypes = params.requestPeerType {
if peerTypes.count == 1, let peerType = peerTypes.first {
switch peerType {
case let .user(user):
if let isBot = user.isBot, isBot {
self.customTitle = self.presentationData.strings.RequestPeer_ChooseBotTitle
} else {
self.customTitle = self.presentationData.strings.RequestPeer_ChooseUserTitle
}
case .group:
self.customTitle = self.presentationData.strings.RequestPeer_ChooseGroupTitle
case .channel:
self.customTitle = self.presentationData.strings.RequestPeer_ChooseChannelTitle
}
} else {
self.customTitle = self.presentationData.strings.ChatImport_Title
}
}
self.title = self.customTitle ?? self.presentationData.strings.Conversation_ForwardTitle
if params.forumPeerId == nil {
self.navigationPresentation = .modal
self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Cancel, style: .plain, target: self, action: #selector(self.cancelPressed))
}
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Back, style: .plain, target: nil, action: nil)
self.scrollToTop = { [weak self] in
if let strongSelf = self {
if let searchContentNode = strongSelf.searchContentNode {
searchContentNode.updateExpansionProgress(1.0, animated: true)
}
strongSelf.peerSelectionNode.scrollToTop()
}
}
self.presentationDataDisposable = ((params.updatedPresentationData?.signal ?? self.context.sharedContext.presentationData)
|> deliverOnMainQueue).start(next: { [weak self] presentationData in
if let strongSelf = self {
let previousTheme = strongSelf.presentationData.theme
let previousStrings = strongSelf.presentationData.strings
strongSelf.presentationData = presentationData
if previousTheme !== presentationData.theme || previousStrings !== presentationData.strings {
strongSelf.updateThemeAndStrings()
}
}
})
self.searchContentNode = NavigationBarSearchContentNode(theme: self.presentationData.theme, placeholder: self.presentationData.strings.Common_Search, activate: { [weak self] in
self?.activateSearch()
})
self.navigationBar?.setContentNode(self.searchContentNode, animated: false)
if params.multipleSelection {
self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Select, style: .plain, target: self, action: #selector(self.beginSelection))
}
if params.hasFilters {
self._ready.set(.never())
self.tabContainerNode = ChatListFilterTabContainerNode()
self.reloadFilters()
self.peerSelectionNode.mainContainerNode?.currentItemFilterUpdated = { [weak self] filter, fraction, transition, force in
guard let strongSelf = self else {
return
}
guard let layout = strongSelf.validLayout else {
return
}
guard let tabContainerData = strongSelf.tabContainerData else {
return
}
if force {
strongSelf.tabContainerNode?.cancelAnimations()
}
strongSelf.tabContainerNode?.update(size: CGSize(width: layout.size.width, height: 46.0), sideInset: layout.safeInsets.left, filters: tabContainerData.0, selectedFilter: filter, isReordering: false, isEditing: false, canReorderAllChats: false, filtersLimit: tabContainerData.2, transitionFraction: fraction, presentationData: strongSelf.presentationData, transition: transition)
}
self.tabContainerNode?.tabSelected = { [weak self] id, isDisabled in
guard let strongSelf = self else {
return
}
if isDisabled {
let context = strongSelf.context
var replaceImpl: ((ViewController) -> Void)?
let controller = context.sharedContext.makePremiumLimitController(context: context, subject: .folders, count: strongSelf.tabContainerNode?.filtersCount ?? 0, forceDark: false, cancel: {}, action: {
let controller = context.sharedContext.makePremiumIntroController(context: context, source: .folders, forceDark: false, dismissed: nil)
replaceImpl?(controller)
return true
})
replaceImpl = { [weak controller] c in
controller?.replace(with: c)
}
strongSelf.push(controller)
} else {
strongSelf.selectTab(id: id)
}
}
}
}
required public init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.openMessageFromSearchDisposable.dispose()
self.presentationDataDisposable?.dispose()
self.filterDisposable.dispose()
}
private func updateThemeAndStrings() {
self.statusBar.statusBarStyle = self.presentationData.theme.rootController.statusBarStyle.style
self.navigationBar?.updatePresentationData(NavigationBarPresentationData(presentationData: self.presentationData))
self.searchContentNode?.updateThemeAndPlaceholder(theme: self.presentationData.theme, placeholder: self.presentationData.strings.Common_Search)
self.title = self.customTitle ?? self.presentationData.strings.Conversation_ForwardTitle
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Back, style: .plain, target: nil, action: nil)
self.peerSelectionNode.updatePresentationData(self.presentationData)
}
override public func loadDisplayNode() {
self.displayNode = PeerSelectionControllerNode(context: self.context, controller: self, presentationData: self.presentationData, filter: self.filter, forumPeerId: self.forumPeerId, hasFilters: self.hasFilters, hasChatListSelector: self.hasChatListSelector, hasContactSelector: self.hasContactSelector, hasGlobalSearch: self.hasGlobalSearch, forwardedMessageIds: self.forwardedMessageIds, hasTypeHeaders: self.hasTypeHeaders, requestPeerType: self.requestPeerType, hasCreation: self.hasCreation, createNewGroup: self.createNewGroup, present: { [weak self] c, a in
self?.present(c, in: .window(.root), with: a)
}, presentInGlobalOverlay: { [weak self] c, a in
self?.presentInGlobalOverlay(c, with: a)
}, dismiss: { [weak self] in
self?.presentingViewController?.dismiss(animated: false, completion: nil)
})
self.peerSelectionNode.navigationBar = self.navigationBar
self.peerSelectionNode.requestSend = { [weak self] peers, peerMap, text, mode, forwardOptionsState, messageEffect in
self?.multiplePeersSelected?(peers, peerMap, text, mode, forwardOptionsState, messageEffect)
}
self.peerSelectionNode.requestDeactivateSearch = { [weak self] in
self?.deactivateSearch()
}
self.peerSelectionNode.requestActivateSearch = { [weak self] in
self?.activateSearch()
}
self.peerSelectionNode.requestOpenPeer = { [weak self] peer, threadId in
if let strongSelf = self, let peerSelected = strongSelf.peerSelected {
if case let .channel(peer) = peer, peer.flags.contains(.isForum), threadId == nil, strongSelf.selectForumThreads {
let controller = PeerSelectionControllerImpl(
PeerSelectionControllerParams(
context: strongSelf.context,
updatedPresentationData: nil,
filter: strongSelf.filter,
forumPeerId: peer.id,
hasFilters: false,
hasChatListSelector: false,
hasContactSelector: false,
hasGlobalSearch: false,
title: EnginePeer(peer).compactDisplayTitle,
attemptSelection: strongSelf.attemptSelection,
createNewGroup: nil,
pretendPresentedInModal: false,
multipleSelection: false,
forwardedMessageIds: [],
hasTypeHeaders: false,
selectForumThreads: false
)
)
controller.peerSelected = strongSelf.peerSelected
strongSelf.push(controller)
} else {
peerSelected(peer, threadId)
}
}
}
self.peerSelectionNode.requestOpenDisabledPeer = { [weak self] peer, threadId, reason in
if let strongSelf = self {
strongSelf.attemptSelection?(peer, threadId, reason)
}
}
self.peerSelectionNode.requestOpenPeerFromSearch = { [weak self] peer, threadId in
if let strongSelf = self {
strongSelf.openMessageFromSearchDisposable.set((_internal_storedMessageFromSearchPeer(postbox: strongSelf.context.account.postbox, peer: peer._asPeer())
|> deliverOnMainQueue).start(completed: { [weak strongSelf] in
if let strongSelf = strongSelf, let peerSelected = strongSelf.peerSelected {
if case let .channel(peer) = peer, peer.flags.contains(.isForum), threadId == nil, strongSelf.selectForumThreads {
let controller = PeerSelectionControllerImpl(
PeerSelectionControllerParams(
context: strongSelf.context,
updatedPresentationData: nil,
filter: strongSelf.filter,
forumPeerId: peer.id,
hasFilters: false,
hasChatListSelector: false,
hasContactSelector: false,
hasGlobalSearch: false,
title: EnginePeer(peer).compactDisplayTitle,
attemptSelection: strongSelf.attemptSelection,
createNewGroup: nil,
pretendPresentedInModal: false,
multipleSelection: false,
forwardedMessageIds: [],
hasTypeHeaders: false,
selectForumThreads: false
)
)
controller.peerSelected = strongSelf.peerSelected
strongSelf.push(controller)
} else {
peerSelected(peer, threadId)
}
}
}))
}
}
var isProcessingContentOffsetChanged = false
self.peerSelectionNode.contentOffsetChanged = { [weak self] offset in
if isProcessingContentOffsetChanged {
return
}
isProcessingContentOffsetChanged = true
if let strongSelf = self, let searchContentNode = strongSelf.searchContentNode {
searchContentNode.updateListVisibleContentOffset(offset)
isProcessingContentOffsetChanged = false
}
}
self.peerSelectionNode.contentScrollingEnded = { [weak self] listView in
if let strongSelf = self, let searchContentNode = strongSelf.searchContentNode {
return fixNavigationSearchableListNodeScrolling(listView, searchNode: searchContentNode)
} else {
return false
}
}
self.displayNodeDidLoad()
if !self.hasFilters {
self._ready.set(self.peerSelectionNode.ready)
}
}
public override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
self.peerSelectionNode.mainContainerNode?.updateEnableAdjacentFilterLoading(true)
}
override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
self.validLayout = layout
super.containerLayoutUpdated(layout, transition: transition)
self.peerSelectionNode.containerLayoutUpdated(layout, navigationBarHeight: self.cleanNavigationHeight, actualNavigationBarHeight: self.navigationLayout(layout: layout).navigationFrame.maxY, transition: transition)
if let tabContainerNode = self.tabContainerNode, let mainContainerNode = self.peerSelectionNode.mainContainerNode {
let tabContainerOffset: CGFloat = 0.0
let navigationBarHeight = self.navigationBar?.frame.maxY ?? 0.0
transition.updateFrame(node: tabContainerNode, frame: CGRect(origin: CGPoint(x: 0.0, y: navigationBarHeight - self.additionalNavigationBarHeight - 46.0 + tabContainerOffset), size: CGSize(width: layout.size.width, height: 46.0)))
tabContainerNode.update(size: CGSize(width: layout.size.width, height: 46.0), sideInset: layout.safeInsets.left, filters: self.tabContainerData?.0 ?? [], selectedFilter: mainContainerNode.currentItemFilter, isReordering: false, isEditing: false, canReorderAllChats: false, filtersLimit: self.tabContainerData?.2, transitionFraction: mainContainerNode.transitionFraction, presentationData: self.presentationData, transition: .animated(duration: 0.4, curve: .spring))
}
}
@objc private func beginSelection() {
self.navigationItem.rightBarButtonItem = nil
self.peerSelectionNode.beginSelection()
}
@objc func cancelPressed() {
if let customDismiss = self.customDismiss {
customDismiss()
} else {
self.dismiss()
}
}
private func activateSearch() {
if self.displayNavigationBar {
if let scrollToTop = self.scrollToTop {
scrollToTop()
}
if let searchContentNode = self.searchContentNode {
self.peerSelectionNode.activateSearch(placeholderNode: searchContentNode.placeholderNode)
}
self.setDisplayNavigationBar(false, transition: .animated(duration: 0.5, curve: .spring))
}
}
private func deactivateSearch() {
if !self.displayNavigationBar {
if let searchContentNode = self.searchContentNode {
self.peerSelectionNode.deactivateSearch(placeholderNode: searchContentNode.placeholderNode)
}
}
}
private var initializedFilters = false
private func reloadFilters(firstUpdate: (() -> Void)? = nil) {
let filterItems = chatListFilterItems(context: self.context)
var notifiedFirstUpdate = false
self.filterDisposable.set((combineLatest(queue: .mainQueue(),
filterItems,
self.context.account.postbox.peerView(id: self.context.account.peerId),
self.context.engine.data.get(TelegramEngine.EngineData.Item.Configuration.UserLimits(isPremium: false))
)
|> deliverOnMainQueue).start(next: { [weak self] countAndFilterItems, peerView, limits in
guard let strongSelf = self else {
return
}
let isPremium = peerView.peers[peerView.peerId]?.isPremium
let (_, items) = countAndFilterItems
var filterItems: [ChatListFilterTabEntry] = []
for (filter, unreadCount, hasUnmutedUnread) in items {
switch filter {
case .allChats:
if let isPremium = isPremium, !isPremium && filterItems.count > 0 {
filterItems.insert(.all(unreadCount: 0), at: 0)
} else {
filterItems.append(.all(unreadCount: 0))
}
case let .filter(id, title, _, _):
filterItems.append(.filter(id: id, text: title, unread: ChatListFilterTabEntryUnreadCount(value: unreadCount, hasUnmuted: hasUnmutedUnread)))
}
}
let resolvedItems = filterItems
var wasEmpty = false
if let tabContainerData = strongSelf.tabContainerData {
wasEmpty = tabContainerData.0.count <= 1 || tabContainerData.1
} else {
wasEmpty = true
}
var selectedEntryId = !strongSelf.initializedFilters ? .all : (strongSelf.peerSelectionNode.mainContainerNode?.currentItemFilter ?? .all)
var resetCurrentEntry = false
if !resolvedItems.contains(where: { $0.id == selectedEntryId }) {
resetCurrentEntry = true
if let tabContainerData = strongSelf.tabContainerData {
var found = false
if let index = tabContainerData.0.firstIndex(where: { $0.id == selectedEntryId }) {
for i in (0 ..< index - 1).reversed() {
if resolvedItems.contains(where: { $0.id == tabContainerData.0[i].id }) {
selectedEntryId = tabContainerData.0[i].id
found = true
break
}
}
}
if !found {
selectedEntryId = .all
}
} else {
selectedEntryId = .all
}
}
let filtersLimit = isPremium == false ? limits.maxFoldersCount : nil
strongSelf.tabContainerData = (resolvedItems, false, filtersLimit)
var availableFilters: [ChatListContainerNodeFilter] = []
var hasAllChats = false
for item in items {
switch item.0 {
case .allChats:
hasAllChats = true
if let isPremium = isPremium, !isPremium && availableFilters.count > 0 {
availableFilters.insert(.all, at: 0)
} else {
availableFilters.append(.all)
}
case .filter:
availableFilters.append(.filter(item.0))
}
}
if !hasAllChats {
availableFilters.insert(.all, at: 0)
}
strongSelf.peerSelectionNode.mainContainerNode?.updateAvailableFilters(availableFilters, limit: filtersLimit)
if let mainContainerNode = strongSelf.peerSelectionNode.mainContainerNode {
if isPremium == nil && items.isEmpty {
strongSelf.ready.set(mainContainerNode.currentItemNode.ready)
} else if !strongSelf.initializedFilters {
if selectedEntryId != mainContainerNode.currentItemFilter {
mainContainerNode.switchToFilter(id: selectedEntryId, animated: false, completion: { [weak self] in
if let strongSelf = self {
strongSelf.ready.set(mainContainerNode.currentItemNode.ready)
}
})
} else {
strongSelf.ready.set(mainContainerNode.currentItemNode.ready)
}
strongSelf.initializedFilters = true
}
}
let isEmpty = resolvedItems.count <= 1
if wasEmpty != isEmpty, strongSelf.displayNavigationBar {
strongSelf.navigationBar?.setSecondaryContentNode(isEmpty ? nil : strongSelf.tabContainerNode, animated: false)
}
if let layout = strongSelf.validLayout {
if wasEmpty != isEmpty {
strongSelf.containerLayoutUpdated(layout, transition: .immediate)
} else {
strongSelf.tabContainerNode?.update(size: CGSize(width: layout.size.width, height: 46.0), sideInset: layout.safeInsets.left, filters: resolvedItems, selectedFilter: selectedEntryId, isReordering: false, isEditing: false, canReorderAllChats: false, filtersLimit: filtersLimit, transitionFraction: 0.0, presentationData: strongSelf.presentationData, transition: .animated(duration: 0.4, curve: .spring))
}
}
if !notifiedFirstUpdate {
notifiedFirstUpdate = true
firstUpdate?()
}
if resetCurrentEntry {
//strongSelf.selectTab(id: selectedEntryId)
}
}))
}
private func selectTab(id: ChatListFilterTabEntryId) {
let _ = (self.context.engine.peers.currentChatListFilters()
|> deliverOnMainQueue).start(next: { [weak self] filters in
guard let strongSelf = self else {
return
}
let updatedFilter: ChatListFilter?
switch id {
case .all:
updatedFilter = nil
case let .filter(id):
var found = false
var foundValue: ChatListFilter?
for filter in filters {
if filter.id == id {
foundValue = filter
found = true
break
}
}
if found {
updatedFilter = foundValue
} else {
updatedFilter = nil
}
}
if strongSelf.peerSelectionNode.mainContainerNode?.currentItemNode.chatListFilter?.id == updatedFilter?.id {
strongSelf.scrollToTop?()
} else {
strongSelf.peerSelectionNode.mainContainerNode?.switchToFilter(id: updatedFilter.flatMap { .filter($0.id) } ?? .all)
}
})
}
}