Fix chatRoom refresh in background

This commit is contained in:
Benoit Martins 2024-06-13 10:23:36 +02:00
parent a9eb5caad4
commit c441e2cb43
10 changed files with 169 additions and 215 deletions

View file

@ -120,6 +120,7 @@ final class CoreContext: ObservableObject {
self.mCore.videoDisplayEnabled = true
self.mCore.videoPreviewEnabled = false
self.mCore.fecEnabled = true
self.mCore.friendListSubscriptionEnabled = true
self.mCoreSuscriptions.insert(self.mCore.publisher?.onGlobalStateChanged?.postOnCoreQueue { (cbVal: (core: Core, state: GlobalState, message: String)) in
if cbVal.state == GlobalState.On {

View file

@ -154,6 +154,12 @@ struct LinphoneApp: App {
if newPhase == .active {
Log.info("Entering foreground")
coreContext.onEnterForeground()
DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
if conversationViewModel != nil && conversationViewModel!.displayedConversation != nil && conversationsListViewModel != nil {
conversationViewModel!.resetDisplayedChatRoom(conversationsList: conversationsListViewModel!.conversationsList)
}
}
} else if newPhase == .inactive {
} else if newPhase == .background {
Log.info("Entering background")

View file

@ -881,10 +881,12 @@ class CallViewModel: ObservableObject {
coreContext.doOnCoreQueue { core in
if core.currentCall != nil {
let tokens = core.currentCall!.remoteAuthenticationTokens
self.letters1 = tokens[0]
self.letters2 = tokens[1]
self.letters3 = tokens[2]
self.letters4 = tokens[3]
DispatchQueue.main.async {
self.letters1 = tokens[0]
self.letters2 = tokens[1]
self.letters3 = tokens[2]
self.letters4 = tokens[3]
}
}
}
}

View file

@ -162,6 +162,7 @@ struct ConversationFragment: View {
UIList(viewModel: viewModel,
paginationState: paginationState,
conversationViewModel: conversationViewModel,
conversationsListViewModel: conversationsListViewModel,
isScrolledToBottom: $isScrolledToBottom,
showMessageMenuOnLongPress: showMessageMenuOnLongPress,
geometryProxy: geometry,

View file

@ -57,7 +57,7 @@ struct ConversationsListBottomSheet: View {
Button {
if conversationsListViewModel.selectedConversation != nil {
conversationsListViewModel.objectWillChange.send()
conversationsListViewModel.selectedConversation!.markAsRead()
conversationsListViewModel.markAsReadSelectedConversation()
conversationsListViewModel.updateUnreadMessagesCount()
}

View file

@ -27,8 +27,6 @@ struct ConversationsListFragment: View {
@Binding var showingSheet: Bool
@State var canChangeChatRoom: Bool = true
var body: some View {
VStack {
List {
@ -136,34 +134,16 @@ struct ConversationsListFragment: View {
.listRowSeparator(.hidden)
.background(.white)
.onTapGesture {
if canChangeChatRoom {
if conversationViewModel.displayedConversation != nil {
conversationViewModel.displayedConversation = nil
conversationViewModel.resetMessage()
if conversationViewModel.displayedConversation != nil {
conversationViewModel.displayedConversation = nil
conversationViewModel.resetMessage()
conversationViewModel.changeDisplayedChatRoom(conversationModel: conversationsListViewModel.conversationsList[index])
conversationViewModel.getMessages()
} else {
withAnimation {
conversationViewModel.changeDisplayedChatRoom(conversationModel: conversationsListViewModel.conversationsList[index])
let firstScene = UIApplication.shared.connectedScenes.first as? UIWindowScene
if firstScene != nil {
let firstWindow = firstScene!.windows.first
if firstWindow != nil {
firstWindow!.layer.speed = 20.0
canChangeChatRoom = false
DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
firstWindow!.layer.speed = 1.0
canChangeChatRoom = true
}
}
}
conversationViewModel.getMessages()
} else {
withAnimation {
conversationViewModel.changeDisplayedChatRoom(conversationModel: conversationsListViewModel.conversationsList[index])
}
}
conversationsListViewModel.conversationsList[index].markAsRead()
conversationsListViewModel.updateUnreadMessagesCount()
}
}
.onLongPressGesture(minimumDuration: 0.2) {

View file

@ -29,19 +29,16 @@ struct UIList: UIViewRepresentable {
@ObservedObject var viewModel: ChatViewModel
@ObservedObject var paginationState: PaginationState
@ObservedObject var conversationViewModel: ConversationViewModel
@ObservedObject var conversationsListViewModel: ConversationsListViewModel
@Binding var isScrolledToBottom: Bool
let showMessageMenuOnLongPress: Bool
let geometryProxy: GeometryProxy
let sections: [MessagesSection]
@State private var isScrolledToTop = false
private let updatesQueue = DispatchQueue(label: "updatesQueue", qos: .utility)
@State private var updateSemaphore = DispatchSemaphore(value: 1)
@State private var tableSemaphore = DispatchSemaphore(value: 0)
func makeUIView(context: Context) -> UITableView {
let tableView = UITableView(frame: .zero, style: .grouped)
tableView.contentInset = UIEdgeInsets(top: -10, left: 0, bottom: -20, right: 0)
@ -57,7 +54,7 @@ struct UIList: UIViewRepresentable {
tableView.estimatedSectionFooterHeight = UITableView.automaticDimension
tableView.backgroundColor = UIColor(.white)
tableView.scrollsToTop = true
NotificationCenter.default.addObserver(forName: .onScrollToBottom, object: nil, queue: nil) { _ in
DispatchQueue.main.async {
if !context.coordinator.sections.isEmpty {
@ -65,127 +62,77 @@ struct UIList: UIViewRepresentable {
}
}
}
return tableView
}
func updateUIView(_ tableView: UITableView, context: Context) {
if context.coordinator.sections == sections {
return
}
updatesQueue.async {
updateSemaphore.wait()
if context.coordinator.sections == sections {
updateSemaphore.signal()
return
}
let prevSections = context.coordinator.sections
let (appliedDeletes, appliedDeletesSwapsAndEdits, deleteOperations, swapOperations, editOperations, insertOperations) = operationsSplit(oldSections: prevSections, newSections: sections)
// step 1
// preapare intermediate sections and operations
//print("1 updateUIView sections:", "\n")
//print("whole previous:\n", formatSections(prevSections), "\n")
//print("whole appliedDeletes:\n", formatSections(appliedDeletes), "\n")
//print("whole appliedDeletesSwapsAndEdits:\n", formatSections(appliedDeletesSwapsAndEdits), "\n")
//print("whole final sections:\n", formatSections(sections), "\n")
//print("operations delete:\n", deleteOperations)
//print("operations swap:\n", swapOperations)
//print("operations edit:\n", editOperations)
//print("operations insert:\n", insertOperations)
DispatchQueue.main.async {
tableView.performBatchUpdates {
// step 2
// delete sections and rows if necessary
//print("2 apply delete")
context.coordinator.sections = appliedDeletes
for operation in deleteOperations {
applyOperation(operation, tableView: tableView)
}
} completion: { _ in
tableSemaphore.signal()
//print("2 finished delete")
}
}
tableSemaphore.wait()
DispatchQueue.main.async {
tableView.performBatchUpdates {
// step 3
// swap places for rows that moved inside the table
// (example of how this happens. send two messages: first m1, then m2. if m2 is delivered to server faster, then it should jump above m1 even though it was sent later)
//print("3 apply swaps")
context.coordinator.sections = appliedDeletesSwapsAndEdits // NOTE: this array already contains necessary edits, but won't be a problem for appplying swaps
for operation in swapOperations {
applyOperation(operation, tableView: tableView)
}
} completion: { _ in
tableSemaphore.signal()
//print("3 finished swaps")
}
}
tableSemaphore.wait()
DispatchQueue.main.async {
tableView.performBatchUpdates {
// step 4
// check only sections that are already in the table for existing rows that changed and apply only them to table's dataSource without animation
//print("4 apply edits")
context.coordinator.sections = appliedDeletesSwapsAndEdits
for operation in editOperations {
applyOperation(operation, tableView: tableView)
}
} completion: { _ in
tableSemaphore.signal()
//print("4 finished edits")
}
}
tableSemaphore.wait()
if isScrolledToBottom || isScrolledToTop {
DispatchQueue.main.sync {
// step 5
// apply the rest of the changes to table's dataSource, i.e. inserts
//print("5 apply inserts")
context.coordinator.sections = sections
tableView.beginUpdates()
for operation in insertOperations {
applyOperation(operation, tableView: tableView)
}
tableView.endUpdates()
updateSemaphore.signal()
}
} else {
updateSemaphore.signal()
if context.coordinator.sections == sections {
return
}
let prevSections = context.coordinator.sections
let (appliedDeletes, appliedDeletesSwapsAndEdits, deleteOperations, swapOperations, editOperations, insertOperations) = operationsSplit(oldSections: prevSections, newSections: sections)
tableView.performBatchUpdates {
context.coordinator.sections = appliedDeletes
for operation in deleteOperations {
applyOperation(operation, tableView: tableView)
}
}
tableView.performBatchUpdates {
context.coordinator.sections = appliedDeletesSwapsAndEdits // NOTE: this array already contains necessary edits, but won't be a problem for appplying swaps
for operation in swapOperations {
applyOperation(operation, tableView: tableView)
}
}
tableView.performBatchUpdates {
context.coordinator.sections = appliedDeletesSwapsAndEdits
for operation in editOperations {
applyOperation(operation, tableView: tableView)
}
}
if isScrolledToBottom || isScrolledToTop {
context.coordinator.sections = sections
tableView.beginUpdates()
for operation in insertOperations {
applyOperation(operation, tableView: tableView)
}
tableView.endUpdates()
}
if isScrolledToBottom {
conversationViewModel.markAsRead()
conversationsListViewModel.computeChatRoomsList(filter: "")
}
}
// MARK: - Operations
enum Operation {
case deleteSection(Int)
case insertSection(Int)
case delete(Int, Int) // delete with animation
case insert(Int, Int) // insert with animation
case swap(Int, Int, Int) // delete first with animation, then insert it into new position with animation. do not do anything with the second for now
case edit(Int, Int) // reload the element without animation
}
func applyOperation(_ operation: Operation, tableView: UITableView) {
switch operation {
case .deleteSection(let section):
tableView.deleteSections([section], with: .top)
case .insertSection(let section):
tableView.insertSections([section], with: .top)
case .delete(let section, let row):
tableView.deleteRows(at: [IndexPath(row: row, section: section)], with: .top)
case .insert(let section, let row):
@ -197,19 +144,16 @@ struct UIList: UIViewRepresentable {
tableView.insertRows(at: [IndexPath(row: rowTo, section: section)], with: .top)
}
}
func operationsSplit(oldSections: [MessagesSection], newSections: [MessagesSection]) -> ([MessagesSection], [MessagesSection], [Operation], [Operation], [Operation], [Operation]) {
var appliedDeletes = oldSections // start with old sections, remove rows that need to be deleted
var appliedDeletesSwapsAndEdits = newSections // take new sections and remove rows that need to be inserted for now, then we'll get array with all the changes except for inserts
// appliedDeletesSwapsEditsAndInserts == newSection
var appliedDeletes = oldSections
var appliedDeletesSwapsAndEdits = newSections
var deleteOperations = [Operation]()
var swapOperations = [Operation]()
var editOperations = [Operation]()
var insertOperations = [Operation]()
// 1 compare sections
let oldDates = oldSections.map { $0.date }
let newDates = newSections.map { $0.date }
let commonDates = Array(Set(oldDates + newDates)).sorted(by: >)
@ -217,7 +161,6 @@ struct UIList: UIViewRepresentable {
let oldIndex = appliedDeletes.firstIndex(where: { $0.date == date } )
let newIndex = appliedDeletesSwapsAndEdits.firstIndex(where: { $0.date == date } )
if oldIndex == nil, let newIndex {
// operationIndex is not the same as newIndex because appliedDeletesSwapsAndEdits is being changed as we go, but to apply changes to UITableView we should have initial index
if let operationIndex = newSections.firstIndex(where: { $0.date == date } ) {
appliedDeletesSwapsAndEdits.remove(at: newIndex)
insertOperations.append(.insertSection(operationIndex))
@ -232,63 +175,53 @@ struct UIList: UIViewRepresentable {
continue
}
guard let newIndex, let oldIndex else { continue }
// 2 compare section rows
// isolate deletes and inserts, and remove them from row arrays, leaving only rows that are in both arrays: 'duplicates'
// this will allow to compare relative position changes of rows - swaps
var oldRows = appliedDeletes[oldIndex].rows
var newRows = appliedDeletesSwapsAndEdits[newIndex].rows
let oldRowIDs = Set(oldRows.map { $0.id })
let newRowIDs = Set(newRows.map { $0.id })
let rowIDsToDelete = oldRowIDs.subtracting(newRowIDs)
let rowIDsToInsert = newRowIDs.subtracting(oldRowIDs) // TODO is order important?
let rowIDsToInsert = newRowIDs.subtracting(oldRowIDs)
for rowId in rowIDsToDelete {
if let index = oldRows.firstIndex(where: { $0.id == rowId }) {
oldRows.remove(at: index)
deleteOperations.append(.delete(oldIndex, index)) // this row was in old section, should not be in final result
deleteOperations.append(.delete(oldIndex, index))
}
}
for rowId in rowIDsToInsert {
if let index = newRows.firstIndex(where: { $0.id == rowId }) {
// this row was not in old section, should add it to final result
insertOperations.append(.insert(newIndex, index))
}
}
for rowId in rowIDsToInsert {
if let index = newRows.firstIndex(where: { $0.id == rowId }) {
// remove for now, leaving only 'duplicates'
newRows.remove(at: index)
}
}
// 3 isolate swaps and edits
for row in 0..<oldRows.count {
let oldRow = oldRows[row]
let newRow = newRows[row]
if oldRow.id != newRow.id { // a swap: rows in same position are not actually the same rows
if oldRow.id != newRow.id {
if let index = newRows.firstIndex(where: { $0.id == oldRow.id }) {
if !swapsContain(swaps: swapOperations, section: oldIndex, index: row) ||
!swapsContain(swaps: swapOperations, section: oldIndex, index: index) {
swapOperations.append(.swap(oldIndex, row, index))
}
}
} else if oldRow != newRow { // same ids om same positions but something changed - reload rows without animation
} else if oldRow != newRow {
editOperations.append(.edit(oldIndex, row))
}
}
// 4 store row changes in sections
appliedDeletes[oldIndex].rows = oldRows
appliedDeletesSwapsAndEdits[newIndex].rows = newRows
}
return (appliedDeletes, appliedDeletesSwapsAndEdits, deleteOperations, swapOperations, editOperations, insertOperations)
}
func swapsContain(swaps: [Operation], section: Int, index: Int) -> Bool {
!swaps.filter {
if case let .swap(section, rowFrom, rowTo) = $0 {
@ -297,12 +230,13 @@ struct UIList: UIViewRepresentable {
return false
}.isEmpty
}
// MARK: - Coordinator
func makeCoordinator() -> Coordinator {
Coordinator(
conversationViewModel: conversationViewModel,
conversationsListViewModel: conversationsListViewModel,
viewModel: viewModel,
paginationState: paginationState,
isScrolledToBottom: $isScrolledToBottom,
@ -314,20 +248,22 @@ struct UIList: UIViewRepresentable {
}
class Coordinator: NSObject, UITableViewDataSource, UITableViewDelegate {
@ObservedObject var viewModel: ChatViewModel
@ObservedObject var paginationState: PaginationState
@ObservedObject var conversationViewModel: ConversationViewModel
@ObservedObject var conversationsListViewModel: ConversationsListViewModel
@Binding var isScrolledToBottom: Bool
@Binding var isScrolledToTop: Bool
let showMessageMenuOnLongPress: Bool
let geometryProxy: GeometryProxy
var sections: [MessagesSection]
init(conversationViewModel: ConversationViewModel, viewModel: ChatViewModel, paginationState: PaginationState, isScrolledToBottom: Binding<Bool>, isScrolledToTop: Binding<Bool>, showMessageMenuOnLongPress: Bool, geometryProxy: GeometryProxy, sections: [MessagesSection]) {
init(conversationViewModel: ConversationViewModel, conversationsListViewModel: ConversationsListViewModel, viewModel: ChatViewModel, paginationState: PaginationState, isScrolledToBottom: Binding<Bool>, isScrolledToTop: Binding<Bool>, showMessageMenuOnLongPress: Bool, geometryProxy: GeometryProxy, sections: [MessagesSection]) {
self.conversationViewModel = conversationViewModel
self.conversationsListViewModel = conversationsListViewModel
self.viewModel = viewModel
self.paginationState = paginationState
self._isScrolledToBottom = isScrolledToBottom
@ -336,15 +272,15 @@ struct UIList: UIViewRepresentable {
self.geometryProxy = geometryProxy
self.sections = sections
}
func numberOfSections(in tableView: UITableView) -> Int {
sections.count
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
sections[section].rows.count
}
func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
return progressView(section)
}
@ -361,13 +297,13 @@ struct UIList: UIViewRepresentable {
}
return nil
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let tableViewCell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
tableViewCell.selectionStyle = .none
tableViewCell.backgroundColor = UIColor(.white)
let row = sections[indexPath.section].rows[indexPath.row]
if #available(iOS 16.0, *) {
tableViewCell.contentConfiguration = UIHostingConfiguration {
@ -381,20 +317,20 @@ struct UIList: UIViewRepresentable {
}
tableViewCell.transform = CGAffineTransformMakeScale(1, -1)
return tableViewCell
}
func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
let row = sections[indexPath.section].rows[indexPath.row]
paginationState.handle(row)
}
func scrollViewDidScroll(_ scrollView: UIScrollView) {
isScrolledToBottom = scrollView.contentOffset.y <= 10
if isScrolledToBottom && conversationViewModel.displayedConversationUnreadMessagesCount > 0 {
conversationViewModel.markAsRead()
conversationsListViewModel.computeChatRoomsList(filter: "")
}
if !isScrolledToTop && scrollView.contentOffset.y >= scrollView.contentSize.height - scrollView.frame.height - 200 {
@ -406,44 +342,44 @@ struct UIList: UIViewRepresentable {
}
struct MessagesSection: Equatable {
let date: Date
var rows: [Message]
static var formatter = {
let formatter = DateFormatter()
formatter.dateFormat = "EEEE, MMMM d"
return formatter
}()
init(date: Date, rows: [Message]) {
self.date = date
self.rows = rows
}
var formattedDate: String {
MessagesSection.formatter.string(from: date)
}
static func == (lhs: MessagesSection, rhs: MessagesSection) -> Bool {
lhs.date == rhs.date && lhs.rows == rhs.rows
}
}
final class PaginationState: ObservableObject {
var onEvent: ChatPaginationClosure?
var offset: Int
var shouldHandlePagination: Bool {
onEvent != nil
}
init(onEvent: ChatPaginationClosure? = nil, offset: Int = 0) {
self.onEvent = onEvent
self.offset = offset
}
func handle(_ message: Message) {
guard shouldHandlePagination else {
return
@ -457,9 +393,9 @@ final class ChatViewModel: ObservableObject {
@Published private(set) var fullscreenAttachmentItem: Optional<Attachment> = nil
@Published var fullscreenAttachmentPresented = false
@Published var messageMenuRow: Message?
public var didSendMessage: (DraftMessage) -> Void = {_ in}
func presentAttachmentFullScreen(_ attachment: Attachment) {
@ -471,7 +407,7 @@ final class ChatViewModel: ObservableObject {
fullscreenAttachmentPresented = false
fullscreenAttachmentItem = nil
}
func sendMessage(_ message: DraftMessage) {
didSendMessage(message)
}

View file

@ -94,19 +94,6 @@ class ConversationModel: ObservableObject {
}
}
func markAsRead() {
coreContext.doOnCoreQueue { _ in
let unreadMessagesCountTmp = self.chatRoom.unreadMessagesCount
if unreadMessagesCountTmp > 0 {
self.chatRoom.markAsRead()
DispatchQueue.main.async {
self.unreadMessagesCount = 0
}
}
}
}
func toggleMute() {
coreContext.doOnCoreQueue { _ in
self.chatRoom.muted.toggle()

View file

@ -400,6 +400,8 @@ class ConversationViewModel: ObservableObject {
let isFirstMessageTmp = (eventLog.chatMessage?.isOutgoing ?? false) ? isFirstMessageOutgoingTmp : isFirstMessageIncomingTmp
let unreadMessagesCount = self.displayedConversation!.chatRoom.unreadMessagesCount
var statusTmp: Message.Status? = .sending
switch eventLog.chatMessage?.state {
case .InProgress:
@ -441,14 +443,10 @@ class ConversationViewModel: ObservableObject {
}
if !message.isOutgoing {
self.displayedConversationUnreadMessagesCount += 1
self.displayedConversationUnreadMessagesCount = unreadMessagesCount
}
}
}
if self.displayedConversation != nil {
self.displayedConversation!.markAsRead()
}
}
}
@ -581,13 +579,35 @@ class ConversationViewModel: ObservableObject {
self.displayedConversation = conversationModel
}
func resetDisplayedChatRoom(conversationsList: [ConversationModel]) {
removeConversationDelegate()
if self.displayedConversation != nil {
conversationsList.forEach { conversation in
if conversation.id == self.displayedConversation!.id {
self.displayedConversation = conversation
self.chatRoomSuscriptions.insert(conversation.chatRoom.publisher?.onChatMessageSending?.postOnCoreQueue { (cbValue: (chatRoom: ChatRoom, eventLog: EventLog)) in
self.getNewMessages(eventLogs: [cbValue.eventLog])
})
self.chatRoomSuscriptions.insert(conversation.chatRoom.publisher?.onChatMessagesReceived?.postOnCoreQueue { (cbValue: (chatRoom: ChatRoom, eventLogs: [EventLog])) in
self.getNewMessages(eventLogs: cbValue.eventLogs)
})
}
}
}
}
func downloadContent(chatMessage: ChatMessage, content: Content) {
//Log.debug("[ConversationViewModel] Starting downloading content for file \(model.fileName)")
if content.filePath == nil || content.filePath!.isEmpty {
let contentName = content.name
if contentName != nil {
let isImage = FileUtil.isExtensionImage(path: contentName!)
let file = FileUtil.getFileStoragePath(fileName: contentName ?? "", isImage: isImage)
let groupName = "group.\(Bundle.main.bundleIdentifier ?? "").linphoneExtension"
let file = FileUtil.sharedContainerUrl().appendingPathComponent("Library/Images").absoluteString + (contentName!.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed) ?? "")
//let file = FileUtil.getFileStoragePath(fileName: contentName ?? "", isImage: isImage)
content.filePath = String(file.dropFirst(7))
Log.info(
"[ConversationViewModel] File \(contentName) will be downloaded at \(content.filePath)"

View file

@ -62,11 +62,21 @@ class ConversationsListViewModel: ObservableObject {
func addConversationDelegate() {
coreContext.doOnCoreQueue { core in
let account = core.defaultAccount
let chatRoomsCounter = account?.chatRooms != nil ? account!.chatRooms.count : core.chatRooms.count
var counter = 0
self.mCoreSuscriptions.insert(core.publisher?.onChatRoomStateChanged?.postOnCoreQueue { (cbValue: (core: Core, chatRoom: ChatRoom, state: ChatRoom.State)) in
//Log.info("[ConversationsListViewModel] Conversation [${LinphoneUtils.getChatRoomId(chatRoom)}] state changed [$state]")
switch cbValue.state {
case ChatRoom.State.Created:
self.computeChatRoomsList(filter: "")
if !(cbValue.chatRoom.isEmpty && cbValue.chatRoom.hasCapability(mask: ChatRoom.Capabilities.OneToOne.rawValue)) {
counter += 1
}
if counter >= chatRoomsCounter {
self.computeChatRoomsList(filter: "")
counter = 0
}
case ChatRoom.State.Deleted:
self.computeChatRoomsList(filter: "")
//ToastViewModel.shared.toastMessage = "toast_conversation_deleted"
@ -177,4 +187,15 @@ class ConversationsListViewModel: ObservableObject {
reorderChatRooms()
}
func markAsReadSelectedConversation() {
coreContext.doOnCoreQueue { _ in
let unreadMessagesCount = self.selectedConversation!.chatRoom.unreadMessagesCount
if unreadMessagesCount > 0 {
self.selectedConversation!.chatRoom.markAsRead()
self.selectedConversation!.unreadMessagesCount = 0
}
}
}
}