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Fix pinned scrolling

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This commit is contained in:
Ali
2020-10-18 20:02:03 +04:00
parent 2f32e36ee4
commit feee9d9cfd
3 changed files with 19 additions and 3 deletions
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9
submodules/TelegramUI/Sources/ChatHistoryListNode.swift
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@@ -165,6 +165,7 @@ struct ChatHistoryViewTransition {
let cachedDataMessages: [MessageId: Message]?
let readStateData: [PeerId: ChatHistoryCombinedInitialReadStateData]?
let scrolledToIndex: MessageHistoryAnchorIndex?
let scrolledToSomeIndex: Bool
let animateIn: Bool
let reason: ChatHistoryViewTransitionReason
let flashIndicators: Bool
@@ -184,6 +185,7 @@ struct ChatHistoryListViewTransition {
let cachedDataMessages: [MessageId: Message]?
let readStateData: [PeerId: ChatHistoryCombinedInitialReadStateData]?
let scrolledToIndex: MessageHistoryAnchorIndex?
let scrolledToSomeIndex: Bool
let peerType: MediaAutoDownloadPeerType
let networkType: MediaAutoDownloadNetworkType
let animateIn: Bool
@@ -345,7 +347,7 @@ private func mappedUpdateEntries(context: AccountContext, chatLocation: ChatLoca
}
private func mappedChatHistoryViewListTransition(context: AccountContext, chatLocation: ChatLocation, associatedData: ChatMessageItemAssociatedData, controllerInteraction: ChatControllerInteraction, mode: ChatHistoryListMode, lastHeaderId: Int64, transition: ChatHistoryViewTransition) -> ChatHistoryListViewTransition {
return ChatHistoryListViewTransition(historyView: transition.historyView, deleteItems: transition.deleteItems, insertItems: mappedInsertEntries(context: context, chatLocation: chatLocation, associatedData: associatedData, controllerInteraction: controllerInteraction, mode: mode, lastHeaderId: lastHeaderId, entries: transition.insertEntries), updateItems: mappedUpdateEntries(context: context, chatLocation: chatLocation, associatedData: associatedData, controllerInteraction: controllerInteraction, mode: mode, lastHeaderId: lastHeaderId, entries: transition.updateEntries), options: transition.options, scrollToItem: transition.scrollToItem, stationaryItemRange: transition.stationaryItemRange, initialData: transition.initialData, keyboardButtonsMessage: transition.keyboardButtonsMessage, cachedData: transition.cachedData, cachedDataMessages: transition.cachedDataMessages, readStateData: transition.readStateData, scrolledToIndex: transition.scrolledToIndex, peerType: associatedData.automaticDownloadPeerType, networkType: associatedData.automaticDownloadNetworkType, animateIn: transition.animateIn, reason: transition.reason, flashIndicators: transition.flashIndicators)
return ChatHistoryListViewTransition(historyView: transition.historyView, deleteItems: transition.deleteItems, insertItems: mappedInsertEntries(context: context, chatLocation: chatLocation, associatedData: associatedData, controllerInteraction: controllerInteraction, mode: mode, lastHeaderId: lastHeaderId, entries: transition.insertEntries), updateItems: mappedUpdateEntries(context: context, chatLocation: chatLocation, associatedData: associatedData, controllerInteraction: controllerInteraction, mode: mode, lastHeaderId: lastHeaderId, entries: transition.updateEntries), options: transition.options, scrollToItem: transition.scrollToItem, stationaryItemRange: transition.stationaryItemRange, initialData: transition.initialData, keyboardButtonsMessage: transition.keyboardButtonsMessage, cachedData: transition.cachedData, cachedDataMessages: transition.cachedDataMessages, readStateData: transition.readStateData, scrolledToIndex: transition.scrolledToIndex, scrolledToSomeIndex: transition.scrolledToSomeIndex, peerType: associatedData.automaticDownloadPeerType, networkType: associatedData.automaticDownloadNetworkType, animateIn: transition.animateIn, reason: transition.reason, flashIndicators: transition.flashIndicators)
}
private final class ChatHistoryTransactionOpaqueState {
@@ -526,6 +528,7 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
var maxVisibleMessageIndexUpdated: ((MessageIndex) -> Void)?
var scrolledToIndex: ((MessageHistoryAnchorIndex) -> Void)?
var scrolledToSomeIndex: (() -> Void)?
var beganDragging: (() -> Void)?
private let hasVisiblePlayableItemNodesPromise = ValuePromise<Bool>(false, ignoreRepeated: true)
@@ -1499,10 +1502,12 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
}
public func scrollToStartOfHistory() {
self.beganDragging?()
self.chatHistoryLocationValue = ChatHistoryLocationInput(content: .Scroll(index: .lowerBound, anchorIndex: .lowerBound, sourceIndex: .upperBound, scrollPosition: .bottom(0.0), animated: true, highlight: false), id: self.takeNextHistoryLocationId())
}
public func scrollToEndOfHistory() {
self.beganDragging?()
switch self.visibleContentOffset() {
case .known(0.0):
break
@@ -1775,6 +1780,8 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
if let strongSelf = self {
strongSelf.scrolledToIndex?(scrolledToIndex)
}
} else if transition.scrolledToSomeIndex {
self?.scrolledToSomeIndex?()
}
strongSelf.hasActiveTransition = false