mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
410 lines
19 KiB
Swift
410 lines
19 KiB
Swift
import AsyncDisplayKit
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import Display
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import ComponentFlow
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import TelegramCore
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import SwiftSignalKit
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import Postbox
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import TelegramPresentationData
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import AccountContext
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import ContextUI
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import PhotoResources
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import TelegramUIPreferences
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import ItemListPeerItem
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import ItemListPeerActionItem
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import MergeLists
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import ItemListUI
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import PeerInfoVisualMediaPaneNode
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import ChatControllerInteraction
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import MultilineTextComponent
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import Markdown
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import SolidRoundedButtonNode
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import PeerInfoPaneNode
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private struct RecommendedChannelsListTransaction {
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let deletions: [ListViewDeleteItem]
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let insertions: [ListViewInsertItem]
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let updates: [ListViewUpdateItem]
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let animated: Bool
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}
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private enum RecommendedChannelsListEntryStableId: Hashable {
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case addMember
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case peer(PeerId)
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}
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private enum RecommendedChannelsListEntry: Comparable, Identifiable {
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case peer(theme: PresentationTheme, index: Int, peer: EnginePeer, subscribers: Int32)
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var stableId: RecommendedChannelsListEntryStableId {
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switch self {
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case let .peer(_, _, peer, _):
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return .peer(peer.id)
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}
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}
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static func ==(lhs: RecommendedChannelsListEntry, rhs: RecommendedChannelsListEntry) -> Bool {
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switch lhs {
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case let .peer(lhsTheme, lhsIndex, lhsPeer, lhsSubscribers):
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if case let .peer(rhsTheme, rhsIndex, rhsPeer, rhsSubscribers) = rhs, lhsTheme === rhsTheme, lhsIndex == rhsIndex, lhsPeer == rhsPeer, lhsSubscribers == rhsSubscribers {
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return true
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} else {
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return false
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}
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}
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}
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static func <(lhs: RecommendedChannelsListEntry, rhs: RecommendedChannelsListEntry) -> Bool {
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switch lhs {
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case let .peer(_, lhsIndex, _, _):
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switch rhs {
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case let .peer(_, rhsIndex, _, _):
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return lhsIndex < rhsIndex
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}
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}
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}
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func item(context: AccountContext, presentationData: PresentationData, action: @escaping (EnginePeer) -> Void, openPeerContextAction: @escaping (Peer, ASDisplayNode, ContextGesture?) -> Void) -> ListViewItem {
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switch self {
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case let .peer(_, _, peer, subscribers):
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let subtitle = presentationData.strings.Conversation_StatusSubscribers(subscribers)
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return ItemListPeerItem(presentationData: ItemListPresentationData(presentationData), dateTimeFormat: presentationData.dateTimeFormat, nameDisplayOrder: presentationData.nameDisplayOrder, context: context, peer: peer, presence: nil, text: .text(subtitle, .secondary), label: .none, editing: ItemListPeerItemEditing(editable: false, editing: false, revealed: false), switchValue: nil, enabled: true, selectable: true, sectionId: 0, action: {
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action(peer)
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}, setPeerIdWithRevealedOptions: { _, _ in
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}, removePeer: { _ in
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}, contextAction: { node, gesture in
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openPeerContextAction(peer._asPeer(), node, gesture)
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}, hasTopStripe: false, noInsets: true, noCorners: true, style: .plain, disableInteractiveTransitionIfNecessary: true)
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}
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}
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}
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private func preparedTransition(from fromEntries: [RecommendedChannelsListEntry], to toEntries: [RecommendedChannelsListEntry], context: AccountContext, presentationData: PresentationData, action: @escaping (EnginePeer) -> Void, openPeerContextAction: @escaping (Peer, ASDisplayNode, ContextGesture?) -> Void) -> RecommendedChannelsListTransaction {
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let (deleteIndices, indicesAndItems, updateIndices) = mergeListsStableWithUpdates(leftList: fromEntries, rightList: toEntries)
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let deletions = deleteIndices.map { ListViewDeleteItem(index: $0, directionHint: nil) }
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let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, action: action, openPeerContextAction: openPeerContextAction), directionHint: nil) }
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let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, action: action, openPeerContextAction: openPeerContextAction), directionHint: nil) }
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return RecommendedChannelsListTransaction(deletions: deletions, insertions: insertions, updates: updates, animated: toEntries.count < fromEntries.count)
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}
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private let channelsLimit: Int32 = 8
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final class PeerInfoRecommendedChannelsPaneNode: ASDisplayNode, PeerInfoPaneNode {
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private let context: AccountContext
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private let chatControllerInteraction: ChatControllerInteraction
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private let openPeerContextAction: (Bool, Peer, ASDisplayNode, ContextGesture?) -> Void
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weak var parentController: ViewController?
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private let listNode: ListView
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private var currentEntries: [RecommendedChannelsListEntry] = []
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private var currentState: (RecommendedChannels?, Bool)?
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private var canLoadMore: Bool = false
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private var enqueuedTransactions: [RecommendedChannelsListTransaction] = []
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private var unlockBackground: UIImageView?
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private var unlockText: ComponentView<Empty>?
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private var unlockButton: SolidRoundedButtonNode?
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private var currentParams: (size: CGSize, sideInset: CGFloat, bottomInset: CGFloat, isScrollingLockedAtTop: Bool, presentationData: PresentationData)?
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private var theme: PresentationTheme?
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private let presentationDataPromise = Promise<PresentationData>()
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private let ready = Promise<Bool>()
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private var didSetReady: Bool = false
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var isReady: Signal<Bool, NoError> {
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return self.ready.get()
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}
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private let statusPromise = Promise<PeerInfoStatusData?>(nil)
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var status: Signal<PeerInfoStatusData?, NoError> {
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self.statusPromise.get()
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}
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var tabBarOffsetUpdated: ((ContainedViewLayoutTransition) -> Void)?
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var tabBarOffset: CGFloat {
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return 0.0
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}
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private var disposable: Disposable?
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init(context: AccountContext, peerId: PeerId, chatControllerInteraction: ChatControllerInteraction, openPeerContextAction: @escaping (Bool, Peer, ASDisplayNode, ContextGesture?) -> Void) {
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self.context = context
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self.chatControllerInteraction = chatControllerInteraction
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self.openPeerContextAction = openPeerContextAction
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let presentationData = context.sharedContext.currentPresentationData.with { $0 }
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self.listNode = ListView()
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self.listNode.accessibilityPageScrolledString = { row, count in
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return presentationData.strings.VoiceOver_ScrollStatus(row, count).string
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}
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super.init()
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self.listNode.preloadPages = true
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self.addSubnode(self.listNode)
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self.disposable = (combineLatest(queue: .mainQueue(),
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self.presentationDataPromise.get(),
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context.engine.peers.recommendedChannels(peerId: peerId),
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context.engine.data.subscribe(TelegramEngine.EngineData.Item.Peer.Peer(id: context.account.peerId))
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|> map { peer -> Bool in
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return peer?.isPremium ?? false
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}
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)
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|> deliverOnMainQueue).startStrict(next: { [weak self] presentationData, recommendedChannels, isPremium in
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guard let strongSelf = self else {
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return
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}
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strongSelf.currentState = (recommendedChannels, isPremium)
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strongSelf.updateState(recommendedChannels: recommendedChannels, isPremium: isPremium, presentationData: presentationData)
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})
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self.statusPromise.set(context.engine.data.subscribe(
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TelegramEngine.EngineData.Item.Peer.ParticipantCount(id: peerId)
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)
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|> map { count -> PeerInfoStatusData? in
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if let count {
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return PeerInfoStatusData(text: presentationData.strings.Conversation_StatusSubscribers(Int32(count)), isActivity: true, key: .recommended)
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}
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return nil
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})
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self.listNode.visibleBottomContentOffsetChanged = { [weak self] offset in
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if let self {
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self.layoutUnlockPanel(transition: .animated(duration: 0.4, curve: .spring))
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}
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}
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}
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deinit {
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self.disposable?.dispose()
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}
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func ensureMessageIsVisible(id: MessageId) {
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}
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func scrollToTop() -> Bool {
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if !self.listNode.scrollToOffsetFromTop(0.0, animated: true) {
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self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
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return true
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} else {
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return false
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}
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}
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func update(size: CGSize, topInset: CGFloat, sideInset: CGFloat, bottomInset: CGFloat, deviceMetrics: DeviceMetrics, visibleHeight: CGFloat, isScrollingLockedAtTop: Bool, expandProgress: CGFloat, navigationHeight: CGFloat, presentationData: PresentationData, synchronous: Bool, transition: ContainedViewLayoutTransition) {
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let isFirstLayout = self.currentParams == nil
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self.currentParams = (size, sideInset, bottomInset, isScrollingLockedAtTop, presentationData)
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self.presentationDataPromise.set(.single(presentationData))
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transition.updateFrame(node: self.listNode, frame: CGRect(origin: CGPoint(), size: size))
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let (duration, curve) = listViewAnimationDurationAndCurve(transition: transition)
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var scrollToItem: ListViewScrollToItem?
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if isScrollingLockedAtTop {
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switch self.listNode.visibleContentOffset() {
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case let .known(value) where value <= CGFloat.ulpOfOne:
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break
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default:
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scrollToItem = ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Spring(duration: duration), directionHint: .Up)
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}
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}
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self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: scrollToItem, updateSizeAndInsets: ListViewUpdateSizeAndInsets(size: size, insets: UIEdgeInsets(top: topInset, left: sideInset, bottom: bottomInset, right: sideInset), duration: duration, curve: curve), stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
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self.listNode.scrollEnabled = !isScrollingLockedAtTop
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if isFirstLayout, let (recommendedChannels, isPremium) = self.currentState {
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self.updateState(recommendedChannels: recommendedChannels, isPremium: isPremium, presentationData: presentationData)
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}
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}
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@objc private func unlockPressed() {
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let controller = self.context.sharedContext.makePremiumIntroController(context: self.context, source: .ads, forceDark: false, dismissed: nil)
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self.chatControllerInteraction.navigationController()?.pushViewController(controller)
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}
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private func updateState(recommendedChannels: RecommendedChannels?, isPremium: Bool, presentationData: PresentationData) {
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var entries: [RecommendedChannelsListEntry] = []
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if let channels = recommendedChannels?.channels {
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for channel in channels {
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entries.append(.peer(theme: presentationData.theme, index: entries.count, peer: channel.peer, subscribers: channel.subscribers))
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}
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}
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let transaction = preparedTransition(from: self.currentEntries, to: entries, context: self.context, presentationData: presentationData, action: { [weak self] peer in
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self?.chatControllerInteraction.openPeer(peer, .default, nil, .default)
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}, openPeerContextAction: { [weak self] peer, node, gesture in
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self?.openPeerContextAction(true, peer, node, gesture)
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})
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self.currentEntries = entries
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self.enqueuedTransactions.append(transaction)
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self.dequeueTransaction()
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}
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private func layoutUnlockPanel(transition: ContainedViewLayoutTransition) {
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guard let (_, isPremium) = self.currentState, let currentParams = self.currentParams else {
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return
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}
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if !isPremium {
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var transition = transition
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let size = currentParams.size
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let sideInset = currentParams.sideInset
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let bottomInset = currentParams.bottomInset
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let presentationData = currentParams.presentationData
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let themeUpdated = self.theme !== presentationData.theme
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self.theme = presentationData.theme
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let unlockText: ComponentView<Empty>
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let unlockBackground: UIImageView
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let unlockButton: SolidRoundedButtonNode
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if let current = self.unlockText {
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unlockText = current
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} else {
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unlockText = ComponentView<Empty>()
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self.unlockText = unlockText
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transition = .immediate
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}
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if let current = self.unlockBackground {
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unlockBackground = current
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} else {
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unlockBackground = UIImageView()
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unlockBackground.contentMode = .scaleToFill
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self.view.addSubview(unlockBackground)
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self.unlockBackground = unlockBackground
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}
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if let current = self.unlockButton {
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unlockButton = current
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} else {
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unlockButton = SolidRoundedButtonNode(theme: SolidRoundedButtonTheme(theme: presentationData.theme), height: 50.0, cornerRadius: 10.0)
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self.view.addSubview(unlockButton.view)
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self.unlockButton = unlockButton
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unlockButton.animationLoopTime = 2.5
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unlockButton.animation = "premium_unlock"
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unlockButton.iconPosition = .right
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unlockButton.title = presentationData.strings.Channel_SimilarChannels_ShowMore
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unlockButton.pressed = { [weak self] in
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self?.unlockPressed()
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}
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}
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if themeUpdated {
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let topColor = presentationData.theme.list.plainBackgroundColor.withAlphaComponent(0.0)
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let bottomColor = presentationData.theme.list.plainBackgroundColor
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unlockBackground.image = generateGradientImage(size: CGSize(width: 1.0, height: 170.0), colors: [topColor, bottomColor, bottomColor], locations: [0.0, 0.3, 1.0])
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unlockButton.updateTheme(SolidRoundedButtonTheme(theme: presentationData.theme))
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}
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let textFont = Font.regular(15.0)
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let boldTextFont = Font.semibold(15.0)
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let textColor = presentationData.theme.list.itemSecondaryTextColor
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let linkColor = presentationData.theme.list.itemAccentColor
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let markdownAttributes = MarkdownAttributes(body: MarkdownAttributeSet(font: textFont, textColor: textColor), bold: MarkdownAttributeSet(font: boldTextFont, textColor: textColor), link: MarkdownAttributeSet(font: boldTextFont, textColor: linkColor), linkAttribute: { _ in
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return nil
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})
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var scrollOffset: CGFloat = 0.0
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if case let .known(offset) = self.listNode.visibleBottomContentOffset() {
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scrollOffset = min(0.0, offset + bottomInset + 80.0)
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}
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let unlockSize = unlockText.update(
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transition: .immediate,
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component: AnyComponent(
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MultilineTextComponent(
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text: .markdown(text: presentationData.strings.Channel_SimilarChannels_ShowMoreInfo, attributes: markdownAttributes),
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horizontalAlignment: .center,
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maximumNumberOfLines: 0,
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lineSpacing: 0.2
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)
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),
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environment: {},
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containerSize: CGSize(width: size.width - 32.0, height: 200.0)
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)
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if let view = unlockText.view {
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if view.superview == nil {
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view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.unlockPressed)))
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self.view.addSubview(view)
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}
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transition.updateFrame(view: view, frame: CGRect(origin: CGPoint(x: floor((size.width - unlockSize.width) / 2.0), y: size.height - bottomInset - unlockSize.height - 13.0 + scrollOffset), size: unlockSize))
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}
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transition.updateFrame(view: unlockBackground, frame: CGRect(x: 0.0, y: size.height - bottomInset - 170.0 + scrollOffset, width: size.width, height: bottomInset + 170.0))
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let buttonSideInset = sideInset + 16.0
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let buttonSize = CGSize(width: size.width - buttonSideInset * 2.0, height: 50.0)
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transition.updateFrame(node: unlockButton, frame: CGRect(origin: CGPoint(x: buttonSideInset, y: size.height - bottomInset - unlockSize.height - buttonSize.height - 26.0 + scrollOffset), size: buttonSize))
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let _ = unlockButton.updateLayout(width: buttonSize.width, transition: .immediate)
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} else {
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self.unlockBackground?.removeFromSuperview()
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self.unlockBackground = nil
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self.unlockButton?.view.removeFromSuperview()
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self.unlockButton = nil
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self.unlockText?.view?.removeFromSuperview()
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self.unlockText = nil
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}
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}
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private func dequeueTransaction() {
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guard let _ = self.currentParams, let transaction = self.enqueuedTransactions.first else {
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return
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}
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self.enqueuedTransactions.remove(at: 0)
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var options = ListViewDeleteAndInsertOptions()
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if transaction.animated {
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options.insert(.AnimateInsertion)
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} else {
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options.insert(.Synchronous)
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}
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self.listNode.transaction(deleteIndices: transaction.deletions, insertIndicesAndItems: transaction.insertions, updateIndicesAndItems: transaction.updates, options: options, updateSizeAndInsets: nil, updateOpaqueState: nil, completion: { [weak self] _ in
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guard let strongSelf = self else {
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return
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}
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if !strongSelf.didSetReady {
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strongSelf.didSetReady = true
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strongSelf.ready.set(.single(true))
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}
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})
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}
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func findLoadedMessage(id: MessageId) -> Message? {
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return nil
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}
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func updateHiddenMedia() {
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}
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func transferVelocity(_ velocity: CGFloat) {
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if velocity > 0.0 {
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self.listNode.transferVelocity(velocity)
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}
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}
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func cancelPreviewGestures() {
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}
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func transitionNodeForGallery(messageId: MessageId, media: Media) -> (ASDisplayNode, CGRect, () -> (UIView?, UIView?))? {
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return nil
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}
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func addToTransitionSurface(view: UIView) {
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}
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func updateSelectedMessages(animated: Bool) {
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}
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}
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