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Initial instant video expansion implementation

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This commit is contained in:
Ilya Laktyushin
2021-07-18 00:22:37 +03:00
parent 6b3b6ac9ab
commit 7a34781f6f
21 changed files with 261 additions and 81 deletions
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18
submodules/TelegramUI/Sources/PreparedChatHistoryViewTransition.swift
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@@ -7,7 +7,7 @@ import Display
import MergeLists
import AccountContext
func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toView: ChatHistoryView, reason: ChatHistoryViewTransitionReason, reverse: Bool, chatLocation: ChatLocation, controllerInteraction: ChatControllerInteraction, scrollPosition: ChatHistoryViewScrollPosition?, initialData: InitialMessageHistoryData?, keyboardButtonsMessage: Message?, cachedData: CachedPeerData?, cachedDataMessages: [MessageId: Message]?, readStateData: [PeerId: ChatHistoryCombinedInitialReadStateData]?, flashIndicators: Bool, updatedMessageSelection: Bool, messageTransitionNode: ChatMessageTransitionNode?) -> ChatHistoryViewTransition {
func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toView: ChatHistoryView, reason: ChatHistoryViewTransitionReason, reverse: Bool, chatLocation: ChatLocation, controllerInteraction: ChatControllerInteraction, scrollPosition: ChatHistoryViewScrollPosition?, scrollAnimationCurve: ListViewAnimationCurve?, initialData: InitialMessageHistoryData?, keyboardButtonsMessage: Message?, cachedData: CachedPeerData?, cachedDataMessages: [MessageId: Message]?, readStateData: [PeerId: ChatHistoryCombinedInitialReadStateData]?, flashIndicators: Bool, updatedMessageSelection: Bool, messageTransitionNode: ChatMessageTransitionNode?) -> ChatHistoryViewTransition {
var mergeResult: (deleteIndices: [Int], indicesAndItems: [(Int, ChatHistoryEntry, Int?)], updateIndices: [(Int, ChatHistoryEntry, Int)])
let allUpdated = fromView?.associatedData != toView.associatedData
if reverse {
@@ -137,13 +137,15 @@ func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toVie
var scrolledToIndex: MessageHistoryAnchorIndex?
var scrolledToSomeIndex = false
let curve: ListViewAnimationCurve = scrollAnimationCurve ?? .Default(duration: nil)
if let scrollPosition = scrollPosition {
switch scrollPosition {
case let .unread(unreadIndex):
var index = toView.filteredEntries.count - 1
for entry in toView.filteredEntries {
if case .UnreadEntry = entry {
scrollToItem = ListViewScrollToItem(index: index, position: .bottom(0.0), animated: false, curve: .Default(duration: nil), directionHint: .Down)
scrollToItem = ListViewScrollToItem(index: index, position: .bottom(0.0), animated: false, curve: curve, directionHint: .Down)
break
}
index -= 1
@@ -153,7 +155,7 @@ func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toVie
var index = toView.filteredEntries.count - 1
for entry in toView.filteredEntries {
if entry.index >= unreadIndex {
scrollToItem = ListViewScrollToItem(index: index, position: .bottom(0.0), animated: false, curve: .Default(duration: nil), directionHint: .Down)
scrollToItem = ListViewScrollToItem(index: index, position: .bottom(0.0), animated: false, curve: curve, directionHint: .Down)
break
}
index -= 1
@@ -164,7 +166,7 @@ func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toVie
var index = 0
for entry in toView.filteredEntries.reversed() {
if entry.index < unreadIndex {
scrollToItem = ListViewScrollToItem(index: index, position: .bottom(0.0), animated: false, curve: .Default(duration: nil), directionHint: .Down)
scrollToItem = ListViewScrollToItem(index: index, position: .bottom(0.0), animated: false, curve: curve, directionHint: .Down)
break
}
index += 1
@@ -174,7 +176,7 @@ func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toVie
var index = toView.filteredEntries.count - 1
for entry in toView.filteredEntries {
if entry.index >= scrollIndex {
scrollToItem = ListViewScrollToItem(index: index, position: .top(relativeOffset), animated: false, curve: .Default(duration: nil), directionHint: .Down)
scrollToItem = ListViewScrollToItem(index: index, position: .top(relativeOffset), animated: false, curve: curve, directionHint: .Down)
break
}
index -= 1
@@ -184,7 +186,7 @@ func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toVie
var index = 0
for entry in toView.filteredEntries.reversed() {
if entry.index < scrollIndex {
scrollToItem = ListViewScrollToItem(index: index, position: .top(0.0), animated: false, curve: .Default(duration: nil), directionHint: .Down)
scrollToItem = ListViewScrollToItem(index: index, position: .top(0.0), animated: false, curve: curve, directionHint: .Down)
break
}
index += 1
@@ -197,7 +199,7 @@ func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toVie
var index = toView.filteredEntries.count - 1
for entry in toView.filteredEntries {
if scrollIndex.isLessOrEqual(to: entry.index) {
scrollToItem = ListViewScrollToItem(index: index, position: position, animated: animated, curve: .Default(duration: nil), directionHint: directionHint)
scrollToItem = ListViewScrollToItem(index: index, position: position, animated: animated, curve: curve, directionHint: directionHint)
break
}
index -= 1
@@ -208,7 +210,7 @@ func preparedChatHistoryViewTransition(from fromView: ChatHistoryView?, to toVie
for entry in toView.filteredEntries.reversed() {
if !scrollIndex.isLess(than: entry.index) {
scrolledToSomeIndex = true
scrollToItem = ListViewScrollToItem(index: index, position: position, animated: animated, curve: .Default(duration: nil), directionHint: directionHint)
scrollToItem = ListViewScrollToItem(index: index, position: position, animated: animated, curve: curve, directionHint: directionHint)
break
}
index += 1