2023-03-28 23:41:04 +04:00

904 lines
45 KiB
Swift

import Foundation
import UIKit
import Display
import AsyncDisplayKit
import ComponentFlow
import SwiftSignalKit
import ViewControllerComponent
import ComponentDisplayAdapters
import TelegramPresentationData
import AccountContext
import TelegramCore
import MultilineTextComponent
import Postbox
import SolidRoundedButtonComponent
import PresentationDataUtils
import Markdown
import UndoUI
import PremiumUI
private final class ChatFolderLinkPreviewScreenComponent: Component {
typealias EnvironmentType = ViewControllerComponentContainer.Environment
let context: AccountContext
let subject: ChatFolderLinkPreviewScreen.Subject
let linkContents: ChatFolderLinkContents?
let completion: (() -> Void)?
init(
context: AccountContext,
subject: ChatFolderLinkPreviewScreen.Subject,
linkContents: ChatFolderLinkContents?,
completion: (() -> Void)?
) {
self.context = context
self.subject = subject
self.linkContents = linkContents
self.completion = completion
}
static func ==(lhs: ChatFolderLinkPreviewScreenComponent, rhs: ChatFolderLinkPreviewScreenComponent) -> Bool {
if lhs.context !== rhs.context {
return false
}
if lhs.subject != rhs.subject {
return false
}
if lhs.linkContents !== rhs.linkContents {
return false
}
return true
}
private struct ItemLayout: Equatable {
var containerSize: CGSize
var containerInset: CGFloat
var bottomInset: CGFloat
var topInset: CGFloat
init(containerSize: CGSize, containerInset: CGFloat, bottomInset: CGFloat, topInset: CGFloat) {
self.containerSize = containerSize
self.containerInset = containerInset
self.bottomInset = bottomInset
self.topInset = topInset
}
}
private final class ScrollView: UIScrollView {
override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
return super.hitTest(point, with: event)
}
}
final class AnimationHint {
init() {
}
}
final class View: UIView, UIScrollViewDelegate {
private let dimView: UIView
private let backgroundLayer: SimpleLayer
private let navigationBarContainer: SparseContainerView
private let scrollView: ScrollView
private let scrollContentClippingView: SparseContainerView
private let scrollContentView: UIView
private let topIcon = ComponentView<Empty>()
private let title = ComponentView<Empty>()
private let leftButton = ComponentView<Empty>()
private let descriptionText = ComponentView<Empty>()
private let actionButton = ComponentView<Empty>()
private let listHeaderText = ComponentView<Empty>()
private let listHeaderAction = ComponentView<Empty>()
private let itemContainerView: UIView
private var items: [AnyHashable: ComponentView<Empty>] = [:]
private var selectedItems = Set<EnginePeer.Id>()
private let bottomOverscrollLimit: CGFloat
private var ignoreScrolling: Bool = false
private var component: ChatFolderLinkPreviewScreenComponent?
private weak var state: EmptyComponentState?
private var environment: ViewControllerComponentContainer.Environment?
private var itemLayout: ItemLayout?
private var topOffsetDistance: CGFloat?
private var joinDisposable: Disposable?
private var inProgress: Bool = false
override init(frame: CGRect) {
self.bottomOverscrollLimit = 200.0
self.dimView = UIView()
self.backgroundLayer = SimpleLayer()
self.backgroundLayer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
self.backgroundLayer.cornerRadius = 10.0
self.navigationBarContainer = SparseContainerView()
self.scrollView = ScrollView()
self.scrollContentClippingView = SparseContainerView()
self.scrollContentClippingView.clipsToBounds = true
self.scrollContentView = UIView()
self.itemContainerView = UIView()
self.itemContainerView.clipsToBounds = true
self.itemContainerView.layer.cornerRadius = 10.0
super.init(frame: frame)
self.addSubview(self.dimView)
self.layer.addSublayer(self.backgroundLayer)
self.addSubview(self.navigationBarContainer)
self.scrollView.delaysContentTouches = true
self.scrollView.canCancelContentTouches = true
self.scrollView.clipsToBounds = false
if #available(iOSApplicationExtension 11.0, iOS 11.0, *) {
self.scrollView.contentInsetAdjustmentBehavior = .never
}
if #available(iOS 13.0, *) {
self.scrollView.automaticallyAdjustsScrollIndicatorInsets = false
}
self.scrollView.showsVerticalScrollIndicator = false
self.scrollView.showsHorizontalScrollIndicator = false
self.scrollView.alwaysBounceHorizontal = false
self.scrollView.alwaysBounceVertical = true
self.scrollView.scrollsToTop = false
self.scrollView.delegate = self
self.scrollView.clipsToBounds = true
self.addSubview(self.scrollContentClippingView)
self.scrollContentClippingView.addSubview(self.scrollView)
self.scrollView.addSubview(self.scrollContentView)
self.scrollContentView.addSubview(self.itemContainerView)
self.dimView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.dimTapGesture(_:))))
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.joinDisposable?.dispose()
}
func scrollViewDidScroll(_ scrollView: UIScrollView) {
if !self.ignoreScrolling {
self.updateScrolling(transition: .immediate)
}
}
func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>) {
guard let itemLayout = self.itemLayout, let topOffsetDistance = self.topOffsetDistance else {
return
}
var topOffset = -self.scrollView.bounds.minY + itemLayout.topInset
topOffset = max(0.0, topOffset)
if topOffset < topOffsetDistance {
targetContentOffset.pointee.y = scrollView.contentOffset.y
scrollView.setContentOffset(CGPoint(x: 0.0, y: itemLayout.topInset), animated: true)
}
}
override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
if !self.bounds.contains(point) {
return nil
}
if !self.backgroundLayer.frame.contains(point) {
return self.dimView
}
if let result = self.navigationBarContainer.hitTest(self.convert(point, to: self.navigationBarContainer), with: event) {
return result
}
let result = super.hitTest(point, with: event)
return result
}
@objc private func dimTapGesture(_ recognizer: UITapGestureRecognizer) {
if case .ended = recognizer.state {
guard let environment = self.environment, let controller = environment.controller() else {
return
}
controller.dismiss()
}
}
private func updateScrolling(transition: Transition) {
guard let environment = self.environment, let controller = environment.controller(), let itemLayout = self.itemLayout else {
return
}
var topOffset = -self.scrollView.bounds.minY + itemLayout.topInset
topOffset = max(0.0, topOffset)
transition.setTransform(layer: self.backgroundLayer, transform: CATransform3DMakeTranslation(0.0, topOffset + itemLayout.containerInset, 0.0))
transition.setPosition(view: self.navigationBarContainer, position: CGPoint(x: 0.0, y: topOffset + itemLayout.containerInset))
let topOffsetDistance: CGFloat = min(200.0, floor(itemLayout.containerSize.height * 0.25))
self.topOffsetDistance = topOffsetDistance
var topOffsetFraction = topOffset / topOffsetDistance
topOffsetFraction = max(0.0, min(1.0, topOffsetFraction))
let transitionFactor: CGFloat = 1.0 - topOffsetFraction
controller.updateModalStyleOverlayTransitionFactor(transitionFactor, transition: transition.containedViewLayoutTransition)
}
func animateIn() {
self.dimView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.3)
let animateOffset: CGFloat = self.backgroundLayer.frame.minY
self.scrollContentClippingView.layer.animatePosition(from: CGPoint(x: 0.0, y: animateOffset), to: CGPoint(), duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
self.backgroundLayer.animatePosition(from: CGPoint(x: 0.0, y: animateOffset), to: CGPoint(), duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
self.navigationBarContainer.layer.animatePosition(from: CGPoint(x: 0.0, y: animateOffset), to: CGPoint(), duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
if let actionButtonView = self.actionButton.view {
actionButtonView.layer.animatePosition(from: CGPoint(x: 0.0, y: animateOffset), to: CGPoint(), duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
}
}
func animateOut(completion: @escaping () -> Void) {
if let controller = self.environment?.controller() {
controller.updateModalStyleOverlayTransitionFactor(0.0, transition: .animated(duration: 0.3, curve: .easeInOut))
}
let animateOffset: CGFloat = self.bounds.height - self.backgroundLayer.frame.minY
self.dimView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false)
self.scrollContentClippingView.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: animateOffset), duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, additive: true, completion: { _ in
completion()
})
self.backgroundLayer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: animateOffset), duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, additive: true)
self.navigationBarContainer.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: animateOffset), duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, additive: true)
if let actionButtonView = self.actionButton.view {
actionButtonView.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: animateOffset), duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, additive: true)
}
}
func update(component: ChatFolderLinkPreviewScreenComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<ViewControllerComponentContainer.Environment>, transition: Transition) -> CGSize {
let animationHint = transition.userData(AnimationHint.self)
var contentTransition = transition
if animationHint != nil {
contentTransition = .immediate
}
let environment = environment[ViewControllerComponentContainer.Environment.self].value
let themeUpdated = self.environment?.theme !== environment.theme
let resetScrolling = self.scrollView.bounds.width != availableSize.width
let sideInset: CGFloat = 16.0
if self.component?.linkContents == nil, let linkContents = component.linkContents {
for peer in linkContents.peers {
self.selectedItems.insert(peer.id)
}
}
self.component = component
self.state = state
self.environment = environment
if themeUpdated {
self.dimView.backgroundColor = UIColor(white: 0.0, alpha: 0.5)
self.backgroundLayer.backgroundColor = environment.theme.list.blocksBackgroundColor.cgColor
self.itemContainerView.backgroundColor = environment.theme.list.itemBlocksBackgroundColor
}
transition.setFrame(view: self.dimView, frame: CGRect(origin: CGPoint(), size: availableSize))
var contentHeight: CGFloat = 0.0
let leftButtonSize = self.leftButton.update(
transition: contentTransition,
component: AnyComponent(Button(
content: AnyComponent(Text(text: environment.strings.Common_Cancel, font: Font.regular(17.0), color: environment.theme.list.itemAccentColor)),
action: { [weak self] in
guard let self, let controller = self.environment?.controller() else {
return
}
controller.dismiss()
}
).minSize(CGSize(width: 44.0, height: 56.0))),
environment: {},
containerSize: CGSize(width: 120.0, height: 100.0)
)
let leftButtonFrame = CGRect(origin: CGPoint(x: 16.0, y: 0.0), size: leftButtonSize)
if let leftButtonView = self.leftButton.view {
if leftButtonView.superview == nil {
self.navigationBarContainer.addSubview(leftButtonView)
}
transition.setFrame(view: leftButtonView, frame: leftButtonFrame)
}
let titleString: String
var allChatsAdded = false
if let linkContents = component.linkContents {
//TODO:localize
if case .remove = component.subject {
titleString = "Remove Folder"
} else if linkContents.localFilterId != nil {
if linkContents.alreadyMemberPeerIds == Set(linkContents.peers.map(\.id)) {
allChatsAdded = true
}
if allChatsAdded {
titleString = "Add Folder"
} else if self.selectedItems.count == 1 {
titleString = "Add \(self.selectedItems.count) chat"
} else {
titleString = "Add \(self.selectedItems.count) chats"
}
} else {
titleString = "Add Folder"
}
} else {
titleString = " "
}
let titleSize = self.title.update(
transition: .immediate,
component: AnyComponent(MultilineTextComponent(
text: .plain(NSAttributedString(string: titleString, font: Font.semibold(17.0), textColor: environment.theme.list.itemPrimaryTextColor))
)),
environment: {},
containerSize: CGSize(width: availableSize.width - leftButtonFrame.maxX * 2.0, height: 100.0)
)
let titleFrame = CGRect(origin: CGPoint(x: floor((availableSize.width - titleSize.width) * 0.5), y: 18.0), size: titleSize)
if let titleView = self.title.view {
if titleView.superview == nil {
self.navigationBarContainer.addSubview(titleView)
}
contentTransition.setFrame(view: titleView, frame: titleFrame)
}
contentHeight += 44.0
contentHeight += 14.0
var topBadge: String?
if case .remove = component.subject {
} else if !allChatsAdded, let linkContents = component.linkContents, linkContents.localFilterId != nil {
topBadge = "+\(linkContents.peers.count)"
}
let topIconSize = self.topIcon.update(
transition: contentTransition,
component: AnyComponent(ChatFolderLinkHeaderComponent(
theme: environment.theme,
strings: environment.strings,
title: component.linkContents?.title ?? "Folder",
badge: topBadge
)),
environment: {},
containerSize: CGSize(width: availableSize.width - sideInset, height: 1000.0)
)
let topIconFrame = CGRect(origin: CGPoint(x: floor((availableSize.width - topIconSize.width) * 0.5), y: contentHeight), size: topIconSize)
if let topIconView = self.topIcon.view {
if topIconView.superview == nil {
self.scrollContentView.addSubview(topIconView)
}
contentTransition.setFrame(view: topIconView, frame: topIconFrame)
topIconView.isHidden = component.linkContents == nil
}
contentHeight += topIconSize.height
contentHeight += 20.0
let text: String
if let linkContents = component.linkContents {
if case .remove = component.subject {
text = "Do you want to quit the chats you joined when\nadding the folder \(linkContents.title ?? "Folder")?"
} else if allChatsAdded {
text = "You have already added this\nfolder and its chats."
} else if linkContents.localFilterId == nil {
text = "Do you want to add a new chat folder\nand join its groups and channels?"
} else {
let chatCountString: String
if self.selectedItems.count == 1 {
chatCountString = "1 chat"
} else {
chatCountString = "\(self.selectedItems.count) chats"
}
if let title = linkContents.title {
text = "Do you want to add **\(chatCountString)** to your\nfolder **\(title)**?"
} else {
text = "Do you want to add **\(chatCountString)** chats to your\nfolder?"
}
}
} else {
text = " "
}
let body = MarkdownAttributeSet(font: Font.regular(15.0), textColor: environment.theme.list.freeTextColor)
let bold = MarkdownAttributeSet(font: Font.semibold(15.0), textColor: environment.theme.list.freeTextColor)
let descriptionTextSize = self.descriptionText.update(
transition: .immediate,
component: AnyComponent(MultilineTextComponent(
text: .markdown(text: text, attributes: MarkdownAttributes(
body: body,
bold: bold,
link: body,
linkAttribute: { _ in nil }
)),
horizontalAlignment: .center,
maximumNumberOfLines: 0
)),
environment: {},
containerSize: CGSize(width: availableSize.width - sideInset * 2.0 - 16.0 * 2.0, height: 1000.0)
)
let descriptionTextFrame = CGRect(origin: CGPoint(x: floor((availableSize.width - descriptionTextSize.width) * 0.5), y: contentHeight), size: descriptionTextSize)
if let descriptionTextView = self.descriptionText.view {
if descriptionTextView.superview == nil {
self.scrollContentView.addSubview(descriptionTextView)
}
contentTransition.setFrame(view: descriptionTextView, frame: descriptionTextFrame)
}
contentHeight += descriptionTextFrame.height
contentHeight += 39.0
var singleItemHeight: CGFloat = 0.0
var itemsHeight: CGFloat = 0.0
var validIds: [AnyHashable] = []
if let linkContents = component.linkContents {
for i in 0 ..< linkContents.peers.count {
let peer = linkContents.peers[i]
for _ in 0 ..< 1 {
//let id: AnyHashable = AnyHashable("\(peer.id)_\(j)")
let id = AnyHashable(peer.id)
validIds.append(id)
let item: ComponentView<Empty>
var itemTransition = transition
if let current = self.items[id] {
item = current
} else {
itemTransition = .immediate
item = ComponentView()
self.items[id] = item
}
let itemSize = item.update(
transition: itemTransition,
component: AnyComponent(PeerListItemComponent(
context: component.context,
theme: environment.theme,
strings: environment.strings,
sideInset: 0.0,
title: peer.displayTitle(strings: environment.strings, displayOrder: .firstLast),
peer: peer,
subtitle: nil,
selectionState: .editing(isSelected: self.selectedItems.contains(peer.id), isTinted: linkContents.alreadyMemberPeerIds.contains(peer.id)),
hasNext: i != linkContents.peers.count - 1,
action: { [weak self] peer in
guard let self, let component = self.component, let linkContents = component.linkContents, let controller = self.environment?.controller() else {
return
}
if case .remove = component.subject {
if self.selectedItems.contains(peer.id) {
self.selectedItems.remove(peer.id)
} else {
self.selectedItems.insert(peer.id)
}
self.state?.updated(transition: Transition(animation: .curve(duration: 0.3, curve: .easeInOut)))
} else if linkContents.alreadyMemberPeerIds.contains(peer.id) {
let presentationData = component.context.sharedContext.currentPresentationData.with { $0 }
let text: String
if case let .channel(channel) = peer, case .broadcast = channel.info {
text = "You are already a member of this channel."
} else {
text = "You are already a member of this group."
}
controller.present(UndoOverlayController(presentationData: presentationData, content: .peers(context: component.context, peers: [peer], title: nil, text: text, customUndoText: nil), elevatedLayout: false, action: { _ in true }), in: .current)
} else {
if self.selectedItems.contains(peer.id) {
self.selectedItems.remove(peer.id)
} else {
self.selectedItems.insert(peer.id)
}
self.state?.updated(transition: Transition(animation: .curve(duration: 0.3, curve: .easeInOut)))
}
}
)),
environment: {},
containerSize: CGSize(width: availableSize.width - sideInset * 2.0, height: 1000.0)
)
let itemFrame = CGRect(origin: CGPoint(x: 0.0, y: itemsHeight), size: itemSize)
if let itemView = item.view {
if itemView.superview == nil {
self.itemContainerView.addSubview(itemView)
}
itemTransition.setFrame(view: itemView, frame: itemFrame)
}
itemsHeight += itemSize.height
singleItemHeight = itemSize.height
}
}
}
var removeIds: [AnyHashable] = []
for (id, item) in self.items {
if !validIds.contains(id) {
removeIds.append(id)
item.view?.removeFromSuperview()
}
}
for id in removeIds {
self.items.removeValue(forKey: id)
}
let listHeaderTitle: String
if let linkContents = component.linkContents {
if case .remove = component.subject {
if linkContents.peers.count == 1 {
listHeaderTitle = "1 CHAT TO QUIT"
} else {
listHeaderTitle = "\(linkContents.peers.count) CHATS TO QUIT"
}
} else if allChatsAdded {
if linkContents.peers.count == 1 {
listHeaderTitle = "1 CHAT IN THIS FOLDER"
} else {
listHeaderTitle = "\(linkContents.peers.count) CHATS IN THIS FOLDER"
}
} else {
if linkContents.peers.count == 1 {
listHeaderTitle = "1 CHAT IN FOLDER TO JOIN"
} else {
listHeaderTitle = "\(linkContents.peers.count) CHATS IN FOLDER TO JOIN"
}
}
} else {
listHeaderTitle = " "
}
let listHeaderActionTitle: String
if self.selectedItems.count == self.items.count {
listHeaderActionTitle = "DESELECT ALL"
} else {
listHeaderActionTitle = "SELECT ALL"
}
let listHeaderBody = MarkdownAttributeSet(font: Font.with(size: 13.0, design: .regular, traits: [.monospacedNumbers]), textColor: environment.theme.list.freeTextColor)
let listHeaderActionBody = MarkdownAttributeSet(font: Font.with(size: 13.0, design: .regular, traits: [.monospacedNumbers]), textColor: environment.theme.list.itemAccentColor)
let listHeaderTextSize = self.listHeaderText.update(
transition: .immediate,
component: AnyComponent(MultilineTextComponent(
text: .markdown(
text: listHeaderTitle,
attributes: MarkdownAttributes(
body: listHeaderBody,
bold: listHeaderBody,
link: listHeaderBody,
linkAttribute: { _ in nil }
)
)
)),
environment: {},
containerSize: CGSize(width: availableSize.width - sideInset * 2.0 - 15.0, height: 1000.0)
)
if let listHeaderTextView = self.listHeaderText.view {
if listHeaderTextView.superview == nil {
listHeaderTextView.layer.anchorPoint = CGPoint()
self.scrollContentView.addSubview(listHeaderTextView)
}
let listHeaderTextFrame = CGRect(origin: CGPoint(x: sideInset + 15.0, y: contentHeight), size: listHeaderTextSize)
contentTransition.setPosition(view: listHeaderTextView, position: listHeaderTextFrame.origin)
listHeaderTextView.bounds = CGRect(origin: CGPoint(), size: listHeaderTextFrame.size)
listHeaderTextView.isHidden = component.linkContents == nil
}
let listHeaderActionSize = self.listHeaderAction.update(
transition: .immediate,
component: AnyComponent(Button(
content: AnyComponent(MultilineTextComponent(
text: .markdown(
text: listHeaderActionTitle,
attributes: MarkdownAttributes(
body: listHeaderActionBody,
bold: listHeaderActionBody,
link: listHeaderActionBody,
linkAttribute: { _ in nil }
)
)
)),
action: { [weak self] in
guard let self, let component = self.component, let linkContents = component.linkContents else {
return
}
if self.selectedItems.count != linkContents.peers.count {
for peer in linkContents.peers {
self.selectedItems.insert(peer.id)
}
} else {
self.selectedItems.removeAll()
for peerId in linkContents.alreadyMemberPeerIds {
self.selectedItems.insert(peerId)
}
}
self.state?.updated(transition: .immediate)
}
)),
environment: {},
containerSize: CGSize(width: availableSize.width - sideInset * 2.0 - 15.0, height: 1000.0)
)
if let listHeaderActionView = self.listHeaderAction.view {
if listHeaderActionView.superview == nil {
listHeaderActionView.layer.anchorPoint = CGPoint(x: 1.0, y: 0.0)
self.scrollContentView.addSubview(listHeaderActionView)
}
let listHeaderActionFrame = CGRect(origin: CGPoint(x: availableSize.width - sideInset - 15.0 - listHeaderActionSize.width, y: contentHeight), size: listHeaderActionSize)
contentTransition.setPosition(view: listHeaderActionView, position: CGPoint(x: listHeaderActionFrame.maxX, y: listHeaderActionFrame.minY))
listHeaderActionView.bounds = CGRect(origin: CGPoint(), size: listHeaderActionFrame.size)
listHeaderActionView.isHidden = component.linkContents == nil || allChatsAdded
}
contentHeight += listHeaderTextSize.height
contentHeight += 6.0
contentTransition.setFrame(view: self.itemContainerView, frame: CGRect(origin: CGPoint(x: sideInset, y: contentHeight), size: CGSize(width: availableSize.width - sideInset * 2.0, height: itemsHeight)))
var initialContentHeight = contentHeight
initialContentHeight += min(itemsHeight, floor(singleItemHeight * 2.5))
contentHeight += itemsHeight
contentHeight += 24.0
initialContentHeight += 24.0
let actionButtonTitle: String
if case .remove = component.subject {
if self.selectedItems.isEmpty {
actionButtonTitle = "Remove Folder"
} else {
actionButtonTitle = "Remove Folder and Chats"
}
} else if allChatsAdded {
actionButtonTitle = "OK"
} else if let linkContents = component.linkContents {
if linkContents.localFilterId != nil {
if self.selectedItems.isEmpty {
actionButtonTitle = "Do Not Join Any Chats"
} else {
actionButtonTitle = "Join Chats"
}
} else {
actionButtonTitle = "Add Folder"
}
} else {
actionButtonTitle = " "
}
let actionButtonSize = self.actionButton.update(
transition: transition,
component: AnyComponent(SolidRoundedButtonComponent(
title: actionButtonTitle,
badge: (self.selectedItems.isEmpty || allChatsAdded) ? nil : "\(self.selectedItems.count)",
theme: SolidRoundedButtonComponent.Theme(theme: environment.theme),
font: .bold,
fontSize: 17.0,
height: 50.0,
cornerRadius: 11.0,
gloss: false,
isEnabled: !self.selectedItems.isEmpty || component.linkContents?.localFilterId != nil,
animationName: nil,
iconPosition: .right,
iconSpacing: 4.0,
isLoading: self.inProgress,
action: { [weak self] in
guard let self, let component = self.component, let controller = self.environment?.controller() else {
return
}
if case let .remove(folderId) = component.subject {
self.inProgress = true
self.state?.updated(transition: .immediate)
component.completion?()
self.joinDisposable = (component.context.engine.peers.leaveChatFolder(folderId: folderId, removePeerIds: Array(self.selectedItems))
|> deliverOnMainQueue).start(completed: { [weak self] in
guard let self, let controller = self.environment?.controller() else {
return
}
controller.dismiss()
})
} else if allChatsAdded {
controller.dismiss()
} else if let _ = component.linkContents {
if self.joinDisposable == nil, !self.selectedItems.isEmpty {
let joinSignal: Signal<Never, JoinChatFolderLinkError>
switch component.subject {
case .remove:
return
case let .slug(slug):
joinSignal = component.context.engine.peers.joinChatFolderLink(slug: slug, peerIds: Array(self.selectedItems))
case let .updates(updates):
joinSignal = component.context.engine.peers.joinAvailableChatsInFolder(updates: updates, peerIds: Array(self.selectedItems))
}
self.inProgress = true
self.state?.updated(transition: .immediate)
self.joinDisposable = (joinSignal
|> deliverOnMainQueue).start(error: { [weak self] error in
guard let self, let component = self.component, let controller = self.environment?.controller() else {
return
}
switch error {
case .generic:
controller.dismiss()
case let .dialogFilterLimitExceeded(limit, _):
let limitController = PremiumLimitScreen(context: component.context, subject: .folders, count: limit, action: {})
controller.push(limitController)
controller.dismiss()
case let .sharedFolderLimitExceeded(limit, _):
let limitController = PremiumLimitScreen(context: component.context, subject: .membershipInSharedFolders, count: limit, action: {})
controller.push(limitController)
controller.dismiss()
}
}, completed: { [weak self] in
guard let self, let controller = self.environment?.controller() else {
return
}
controller.dismiss()
})
} else {
controller.dismiss()
}
}
}
)),
environment: {},
containerSize: CGSize(width: availableSize.width - sideInset * 2.0, height: 50.0)
)
let bottomPanelHeight = 14.0 + environment.safeInsets.bottom + actionButtonSize.height
let actionButtonFrame = CGRect(origin: CGPoint(x: sideInset, y: availableSize.height - bottomPanelHeight), size: actionButtonSize)
if let actionButtonView = self.actionButton.view {
if actionButtonView.superview == nil {
self.addSubview(actionButtonView)
}
transition.setFrame(view: actionButtonView, frame: actionButtonFrame)
}
if let controller = environment.controller() {
let subLayout = ContainerViewLayout(
size: availableSize, metrics: environment.metrics, deviceMetrics: environment.deviceMetrics, intrinsicInsets: UIEdgeInsets(top: 0.0, left: sideInset - 12.0, bottom: bottomPanelHeight, right: sideInset),
safeInsets: UIEdgeInsets(),
additionalInsets: UIEdgeInsets(),
statusBarHeight: nil,
inputHeight: nil,
inputHeightIsInteractivellyChanging: false,
inVoiceOver: false
)
controller.presentationContext.containerLayoutUpdated(subLayout, transition: transition.containedViewLayoutTransition)
}
contentHeight += bottomPanelHeight
initialContentHeight += bottomPanelHeight
let containerInset: CGFloat = environment.statusBarHeight + 10.0
let topInset: CGFloat = max(0.0, availableSize.height - containerInset - initialContentHeight)
let scrollContentHeight = max(topInset + contentHeight, availableSize.height - containerInset)
self.scrollContentClippingView.layer.cornerRadius = 10.0
self.itemLayout = ItemLayout(containerSize: availableSize, containerInset: containerInset, bottomInset: environment.safeInsets.bottom, topInset: topInset)
transition.setFrame(view: self.scrollContentView, frame: CGRect(origin: CGPoint(x: 0.0, y: topInset + containerInset), size: CGSize(width: availableSize.width, height: contentHeight)))
transition.setPosition(layer: self.backgroundLayer, position: CGPoint(x: availableSize.width / 2.0, y: availableSize.height / 2.0))
transition.setBounds(layer: self.backgroundLayer, bounds: CGRect(origin: CGPoint(), size: availableSize))
let scrollClippingFrame = CGRect(origin: CGPoint(x: sideInset, y: containerInset + 56.0), size: CGSize(width: availableSize.width - sideInset * 2.0, height: actionButtonFrame.minY - 24.0 - (containerInset + 56.0)))
transition.setPosition(view: self.scrollContentClippingView, position: scrollClippingFrame.center)
transition.setBounds(view: self.scrollContentClippingView, bounds: CGRect(origin: CGPoint(x: scrollClippingFrame.minX, y: scrollClippingFrame.minY), size: scrollClippingFrame.size))
self.ignoreScrolling = true
transition.setFrame(view: self.scrollView, frame: CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: CGSize(width: availableSize.width, height: availableSize.height - containerInset)))
let contentSize = CGSize(width: availableSize.width, height: scrollContentHeight)
if contentSize != self.scrollView.contentSize {
self.scrollView.contentSize = contentSize
}
if resetScrolling {
self.scrollView.bounds = CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: availableSize)
}
self.ignoreScrolling = false
self.updateScrolling(transition: transition)
return availableSize
}
}
func makeView() -> View {
return View(frame: CGRect())
}
func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<ViewControllerComponentContainer.Environment>, transition: Transition) -> CGSize {
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
}
}
public class ChatFolderLinkPreviewScreen: ViewControllerComponentContainer {
public enum Subject: Equatable {
case slug(String)
case updates(ChatFolderUpdates)
case remove(folderId: Int32)
}
private let context: AccountContext
private var linkContentsDisposable: Disposable?
private var isDismissed: Bool = false
public init(context: AccountContext, subject: Subject, contents: ChatFolderLinkContents, completion: (() -> Void)? = nil) {
self.context = context
super.init(context: context, component: ChatFolderLinkPreviewScreenComponent(context: context, subject: subject, linkContents: contents, completion: completion), navigationBarAppearance: .none)
self.statusBar.statusBarStyle = .Ignore
self.navigationPresentation = .flatModal
self.blocksBackgroundWhenInOverlay = true
self.automaticallyControlPresentationContextLayout = false
}
required public init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.linkContentsDisposable?.dispose()
}
override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
super.containerLayoutUpdated(layout, transition: transition)
}
override public func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
self.view.disablesInteractiveModalDismiss = true
if let componentView = self.node.hostView.componentView as? ChatFolderLinkPreviewScreenComponent.View {
componentView.animateIn()
}
}
override public func dismiss(completion: (() -> Void)? = nil) {
if !self.isDismissed {
self.isDismissed = true
if let componentView = self.node.hostView.componentView as? ChatFolderLinkPreviewScreenComponent.View {
componentView.animateOut(completion: { [weak self] in
completion?()
self?.dismiss(animated: false)
})
} else {
self.dismiss(animated: false)
}
}
}
}