Skip to content

Added loading state for invite contacts #19

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
azimin wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Added loading state for invite contacts #19

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 21 additions & 2 deletions TelegramUI/InviteContactsControllerNode.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -224,7 +224,7 @@ private func preparedInviteContactsTransition(account: Account, from fromEntries
let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(account: account, interaction: interaction), directionHint: nil) }
let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(account: account, interaction: interaction), directionHint: nil) }

return InviteContactsTransition(deletions: deletions, insertions: insertions, updates: updates, sortedContats: sortedContats, firstTime: firstTime, animated: animated)
return InviteContactsTransition(deletions: deletions, insertions: insertions, updates: updates, sortedContats: sortedContats, firstTime: firstTime, animated: animated, isLoading: false)
}

private struct InviteContactsTransition {
Expand All @@ -234,6 +234,7 @@ private struct InviteContactsTransition {
let sortedContats: [(DeviceContactStableId, DeviceContactBasicData, Int32)]
let firstTime: Bool
let animated: Bool
let isLoading: Bool
}

final class InviteContactsControllerNode: ASDisplayNode {
Expand Down Expand Up @@ -276,6 +277,8 @@ final class InviteContactsControllerNode: ASDisplayNode {
private var presentationDataDisposable: Disposable?

private let themeAndStringsPromise: Promise<(PresentationTheme, PresentationStrings, PresentationPersonNameOrder, PresentationPersonNameOrder)>

private var chatListEmptyIndicator: ActivityIndicator?

private let _ready = Promise<Bool>()
private var readyValue = false {
Expand Down Expand Up @@ -431,7 +434,8 @@ final class InviteContactsControllerNode: ASDisplayNode {
}
})
|> deliverOnMainQueue


self.enqueueTransition(InviteContactsTransition(deletions: [], insertions: [], updates: [], sortedContats: [], firstTime: true, animated: false, isLoading: true))
self.disposable = transition.start(next: { [weak self] transition in
self?.enqueueTransition(transition)
})
Expand Down Expand Up @@ -518,6 +522,11 @@ final class InviteContactsControllerNode: ASDisplayNode {
let updateSizeAndInsets = ListViewUpdateSizeAndInsets(size: layout.size, insets: insets, headerInsets: headerInsets, duration: duration, curve: listViewCurve)

self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: nil, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })

if let chatListEmptyIndicator = self.chatListEmptyIndicator {
let indicatorSize = chatListEmptyIndicator.measure(CGSize(width: 100.0, height: 100.0))
transition.updateFrame(node: chatListEmptyIndicator, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - indicatorSize.width) / 2.0), y: updateSizeAndInsets.insets.top + floor((layout.size.height - updateSizeAndInsets.insets.top - updateSizeAndInsets.insets.bottom - indicatorSize.height) / 2.0)), size: indicatorSize))
}

if !hadValidLayout {
self.dequeueTransitions()
Expand Down Expand Up @@ -579,6 +588,16 @@ final class InviteContactsControllerNode: ASDisplayNode {
} else if transition.animated {
options.insert(.AnimateInsertion)
}

if self.chatListEmptyIndicator == nil, transition.isLoading {
let chatListEmptyIndicator = ActivityIndicator(type: .custom(self.presentationData.theme.list.itemAccentColor, 22.0, 1.0, false))
self.chatListEmptyIndicator = chatListEmptyIndicator
self.insertSubnode(chatListEmptyIndicator, aboveSubnode: self.listNode)
} else if !transition.isLoading, let chatListEmptyIndicator = self.chatListEmptyIndicator {
self.chatListEmptyIndicator = nil
chatListEmptyIndicator.removeFromSupernode()
}

self.listNode.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, updateOpaqueState: nil, completion: { [weak self] _ in
if let strongSelf = self {
strongSelf.readyValue = true
Expand Down