Various fixes

Author: laktyushin

submodules/Components/SheetComponent/Sources/SheetComponent.swift

@@ -305,7 +305,11 @@ public final class SheetComponent<ChildEnvironmentType: Sendable & Equatable>: C
 
             let transition = ContainedViewLayoutTransition.animated(duration: 0.4, curve: .spring)
             let targetPosition = self.scrollView.center
-            self.scrollView.center = targetPosition.offsetBy(dx: 0.0, dy: self.scrollView.contentSize.height)
+            var offset: CGFloat = self.scrollView.contentSize.height
+            if self.isCentered {
+                offset = self.frame.height + self.scrollView.frame.height * 0.5
+            }
+            self.scrollView.center = targetPosition.offsetBy(dx: 0.0, dy: offset)
             transition.animateView(allowUserInteraction: true, {
                 self.scrollView.center = targetPosition
             })
@@ -338,18 +342,27 @@ public final class SheetComponent<ChildEnvironmentType: Sendable & Equatable>: C
                 let contentOffset = (self.scrollView.contentOffset.y + self.scrollView.contentInset.top - self.scrollView.contentSize.height) * -1.0
                 let dismissalOffset = self.scrollView.contentSize.height + abs(contentView.frame.minY)
                 let delta = dismissalOffset - contentOffset
+                var targetPosition = self.scrollView.center.y + delta
+                if self.isCentered {
+                    targetPosition = self.frame.height + self.scrollView.frame.height * 0.5
+                }
 
-                transition.updatePosition(layer: self.scrollView.layer, position: CGPoint(x: self.scrollView.center.x, y: self.scrollView.center.y + delta), completion: { _ in
+                transition.updatePosition(layer: self.scrollView.layer, position: CGPoint(x: self.scrollView.center.x, y: targetPosition), completion: { _ in
                     completion()
                 })
             } else {
-                self.scrollView.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: self.scrollView.contentSize.height + abs(contentView.frame.minY)), duration: 0.25, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, additive: true, completion: { _ in
+                var targetOffset: CGFloat = self.scrollView.contentSize.height + abs(contentView.frame.minY)
+                if self.isCentered {
+                    targetOffset = self.frame.height + self.scrollView.frame.height * 0.5
+                }
+                self.scrollView.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: targetOffset), duration: 0.25, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, additive: true, completion: { _ in
                     completion()
                 })
             }
         }
 
         private var currentHasInputHeight = false
+        private var isCentered = false
         private var currentAvailableSize: CGSize?
         func update(component: SheetComponent<ChildEnvironmentType>, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: ComponentTransition) -> CGSize {
             let previousHasInputHeight = self.currentHasInputHeight
@@ -364,6 +377,7 @@ public final class SheetComponent<ChildEnvironmentType: Sendable & Equatable>: C
             }
 
             self.component = component
+            self.isCentered = sheetEnvironment.isCentered
             self.currentHasInputHeight = sheetEnvironment.hasInputHeight
 
             if self.isAnimatingOut {

submodules/TelegramUI/Components/Gifts/GiftViewScreen/Sources/GiftAuctionViewScreen.swift

@@ -738,12 +738,9 @@ private final class GiftAuctionViewSheetContent: CombinedComponent {
                     } else {
                         return false
                     }
-                }), case let .backdrop(_, _, innerColor, outerColor, _, _, _) = backdropAttribute {
-                    let topColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultiplied(hue: 1.01, saturation: 1.22, brightness: 1.04)
-                    let bottomColor = UIColor(rgb: UInt32(bitPattern: outerColor)).withMultiplied(hue: 0.97, saturation: 1.45, brightness: 0.89)
-                    buttonColor = topColor.mixedWith(bottomColor, alpha: 0.8).withMultipliedBrightnessBy(1.25)
-                    
-                    secondaryTextColor = topColor.withMultiplied(hue: 1.0, saturation: 1.02, brightness: 1.25).mixedWith(UIColor.white, alpha: 0.5)
+                }), case let .backdrop(_, _, innerColor, _, _, _, _) = backdropAttribute {
+                    buttonColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultipliedBrightnessBy(1.05)
+                    secondaryTextColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultiplied(hue: 1.0, saturation: 1.02, brightness: 1.25).mixedWith(UIColor.white, alpha: 0.3)
                 }
 
                 let headerHeight: CGFloat = 264.0

submodules/TelegramUI/Components/Gifts/GiftViewScreen/Sources/GiftAuctionWearPreviewScreen.swift

@@ -293,19 +293,16 @@ private final class GiftAuctionWearPreviewSheetContent: CombinedComponent {
                 } else {
                     return false
                 }
-            }), case let .backdrop(_, _, innerColor, outerColor, _, _, _) = backdropAttribute {
-                let topColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultiplied(hue: 1.01, saturation: 1.22, brightness: 1.04)
-                let bottomColor = UIColor(rgb: UInt32(bitPattern: outerColor)).withMultiplied(hue: 0.97, saturation: 1.45, brightness: 0.89)
-                buttonColor = topColor.mixedWith(bottomColor, alpha: 0.8)
-                
-                secondaryTextColor = topColor.withMultiplied(hue: 1.0, saturation: 1.02, brightness: 1.25).mixedWith(UIColor.white, alpha: 0.5)
+            }), case let .backdrop(_, _, innerColor, _, _, _, _) = backdropAttribute {
+                buttonColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultipliedBrightnessBy(1.05)
+                secondaryTextColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultiplied(hue: 1.0, saturation: 1.02, brightness: 1.25).mixedWith(UIColor.white, alpha: 0.3)
             }
 
             let closeButton = closeButton.update(
                 component: GlassBarButtonComponent(
                     size: CGSize(width: 40.0, height: 40.0),
-                    backgroundColor: buttonColor.withMultipliedBrightnessBy(1.2),
-                    isDark: theme.overallDarkAppearance,
+                    backgroundColor: buttonColor,
+                    isDark: false,
                     state: .tintedGlass,
                     component: AnyComponentWithIdentity(id: "close", component: AnyComponent(
                         BundleIconComponent(

submodules/TelegramUI/Components/Gifts/GiftViewScreen/Sources/GiftUpgradePreviewScreen.swift

@@ -680,10 +680,16 @@ private final class GiftUpgradePreviewScreenComponent: Component {
                 } else {
                     return false
                 }
-            }), case let .backdrop(_, _, innerColor, _, _, _, _) = backdropAttribute {
+            }), case let .backdrop(_, _, innerColor, outerColor, _, _, _) = backdropAttribute {
                 buttonColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultipliedBrightnessBy(1.05)
 
-                badgeColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultipliedBrightnessBy(1.14)
+                badgeColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultipliedBrightnessBy(1.05)
+                let outer = UIColor(rgb: UInt32(bitPattern: outerColor))
+                if outer.lightness < 0.06 {
+                    badgeColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultipliedBrightnessBy(1.45)
+                } else if outer.lightness < 0.295 {
+                    badgeColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultipliedBrightnessBy(1.19)
+                }
                 secondaryTextColor = UIColor(rgb: UInt32(bitPattern: innerColor)).withMultiplied(hue: 1.0, saturation: 1.02, brightness: 1.25).mixedWith(UIColor.white, alpha: 0.3)
             }