ThePain/Swiftgram
1
0
Fork 0
mirror of https://github.com/Swiftgram/Telegram-iOS.git synced 2025-12-24 07:05:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

Temp

Browse Source
This commit is contained in:
Ali
2021-11-09 14:37:39 +04:00
parent f936636f6a
commit ed5e3b3c5a
14 changed files with 1170 additions and 159 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
submodules/Display/Source/ListView.swift
View File

@@ -150,6 +150,41 @@ private func cancelContextGestures(view: UIView) {
}
open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGestureRecognizerDelegate {
public struct ScrollingIndicatorState {
public struct Item {
public var index: Int
public var offset: CGFloat
public var height: CGFloat
public init(
index: Int,
offset: CGFloat,
height: CGFloat
) {
self.index = index
self.offset = offset
self.height = height
}
}
public var insets: UIEdgeInsets
public var topItem: Item
public var bottomItem: Item
public var itemCount: Int
public init(
insets: UIEdgeInsets,
topItem: Item,
bottomItem: Item,
itemCount: Int
) {
self.insets = insets
self.topItem = topItem
self.bottomItem = bottomItem
self.itemCount = itemCount
}
}
public final let scroller: ListViewScroller
public private(set) final var visibleSize: CGSize = CGSize()
public private(set) final var insets = UIEdgeInsets()
@@ -214,14 +249,11 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
}
public final var snapToBottomInsetUntilFirstInteraction: Bool = false
public final var updateFloatingHeaderOffset: ((CGFloat, ContainedViewLayoutTransition) -> Void)? {
didSet {
}
}
public final var updateFloatingHeaderOffset: ((CGFloat, ContainedViewLayoutTransition) -> Void)?
public final var didScrollWithOffset: ((CGFloat, ContainedViewLayoutTransition, ListViewItemNode?) -> Void)?
public final var addContentOffset: ((CGFloat, ListViewItemNode?) -> Void)?
public final var updateScrollingIndicator: ((ScrollingIndicatorState?, ContainedViewLayoutTransition) -> Void)?
private var topItemOverscrollBackground: ListViewOverscrollBackgroundNode?
private var bottomItemOverscrollBackground: ASDisplayNode?
@@ -3766,33 +3798,51 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
break
}
}
if let topIndexAndBoundary = topIndexAndBoundary, let bottomIndexAndBoundary = bottomIndexAndBoundary {
var scrollingIndicatorStateValue: ScrollingIndicatorState?
if let topIndexAndBoundaryValue = topIndexAndBoundary, let bottomIndexAndBoundaryValue = bottomIndexAndBoundary {
let scrollingIndicatorState = ScrollingIndicatorState(
insets: self.insets,
topItem: ScrollingIndicatorState.Item(
index: topIndexAndBoundaryValue.0,
offset: topIndexAndBoundaryValue.1,
height: topIndexAndBoundaryValue.2
),
bottomItem: ScrollingIndicatorState.Item(
index: bottomIndexAndBoundaryValue.0,
offset: bottomIndexAndBoundaryValue.1,
height: bottomIndexAndBoundaryValue.2
),
itemCount: self.items.count
)
scrollingIndicatorStateValue = scrollingIndicatorState
let averageRangeItemHeight: CGFloat = 44.0
var upperItemsHeight = floor(averageRangeItemHeight * CGFloat(topIndexAndBoundary.0))
var approximateContentHeight = CGFloat(self.items.count) * averageRangeItemHeight
if topIndexAndBoundary.0 >= 0 && self.items[topIndexAndBoundary.0].approximateHeight.isZero {
var upperItemsHeight = floor(averageRangeItemHeight * CGFloat(scrollingIndicatorState.topItem.index))
var approximateContentHeight = CGFloat(scrollingIndicatorState.itemCount) * averageRangeItemHeight
if scrollingIndicatorState.topItem.index >= 0 && self.items[scrollingIndicatorState.topItem.index].approximateHeight.isZero {
upperItemsHeight -= averageRangeItemHeight
approximateContentHeight -= averageRangeItemHeight
}
var convertedTopBoundary: CGFloat
if topIndexAndBoundary.1 < self.insets.top {
convertedTopBoundary = (topIndexAndBoundary.1 - self.insets.top) * averageRangeItemHeight / topIndexAndBoundary.2
if scrollingIndicatorState.topItem.offset < self.insets.top {
convertedTopBoundary = (scrollingIndicatorState.topItem.offset - scrollingIndicatorState.insets.top) * averageRangeItemHeight / scrollingIndicatorState.topItem.height
} else {
convertedTopBoundary = topIndexAndBoundary.1 - self.insets.top
convertedTopBoundary = scrollingIndicatorState.topItem.offset - scrollingIndicatorState.insets.top
}
convertedTopBoundary -= upperItemsHeight
let approximateOffset = -convertedTopBoundary
var convertedBottomBoundary: CGFloat = 0.0
if bottomIndexAndBoundary.1 > self.visibleSize.height - self.insets.bottom {
convertedBottomBoundary = ((self.visibleSize.height - self.insets.bottom) - bottomIndexAndBoundary.1) * averageRangeItemHeight / bottomIndexAndBoundary.2
if scrollingIndicatorState.bottomItem.offset > self.visibleSize.height - self.insets.bottom {
convertedBottomBoundary = ((self.visibleSize.height - scrollingIndicatorState.insets.bottom) - scrollingIndicatorState.bottomItem.offset) * averageRangeItemHeight / scrollingIndicatorState.bottomItem.height
} else {
convertedBottomBoundary = (self.visibleSize.height - self.insets.bottom) - bottomIndexAndBoundary.1
convertedBottomBoundary = (self.visibleSize.height - scrollingIndicatorState.insets.bottom) - scrollingIndicatorState.bottomItem.offset
}
convertedBottomBoundary += CGFloat(bottomIndexAndBoundary.0 + 1) * averageRangeItemHeight
convertedBottomBoundary += CGFloat(scrollingIndicatorState.bottomItem.index + 1) * averageRangeItemHeight
let approximateVisibleHeight = max(0.0, convertedBottomBoundary - approximateOffset)
@@ -3801,8 +3851,8 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
let indicatorSideInset: CGFloat = 3.0
var indicatorTopInset: CGFloat = 3.0
if self.verticalScrollIndicatorFollowsOverscroll {
if topIndexAndBoundary.0 == 0 {
indicatorTopInset = max(topIndexAndBoundary.1 + 3.0 - self.insets.top, 3.0)
if scrollingIndicatorState.topItem.index == 0 {
indicatorTopInset = max(scrollingIndicatorState.topItem.offset + 3.0 - self.insets.top, 3.0)
}
}
let indicatorBottomInset: CGFloat = 3.0
@@ -3814,7 +3864,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
if approximateContentHeight <= 0 {
indicatorHeight = 0.0
} else {
indicatorHeight = max(minIndicatorContentHeight, floor(visibleHeightWithoutIndicatorInsets * (self.visibleSize.height - self.insets.top - self.insets.bottom) / approximateContentHeight))
indicatorHeight = max(minIndicatorContentHeight, floor(visibleHeightWithoutIndicatorInsets * (self.visibleSize.height - scrollingIndicatorState.insets.top - scrollingIndicatorState.insets.bottom) / approximateContentHeight))
}
let upperBound = self.scrollIndicatorInsets.top + indicatorTopInset
@@ -3852,6 +3902,8 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
} else {
verticalScrollIndicator.isHidden = true
}
self.updateScrollingIndicator?(scrollingIndicatorStateValue, transition)
}
}
@@ -4638,7 +4690,3 @@ private func findAccessibilityFocus(_ node: ASDisplayNode) -> Bool {
}
return false
}
public func randomfqweeqwf() {
print("t")
}