Various fixes

Author: laktyushin

submodules/TelegramUI/Components/Gifts/GiftStoreScreen/Sources/GiftStoreScreen.swift

@@ -339,6 +339,7 @@ final class GiftStoreScreenComponent: Component {
                             guard let self else {
                                 return
                             }
+                            self.showLoading = true
                             self.state?.starGiftsContext.updateFilterAttributes([])
                         },
                         animateScale: false
@@ -1063,6 +1064,7 @@ final class GiftStoreScreenComponent: Component {
 
             let loadingTransition: ComponentTransition = .easeInOut(duration: 0.25)
 
+            var showingFilters = false
             let filterSize = self.filterSelector.update(
                 transition: transition,
                 component: AnyComponent(FilterSelectorComponent(
@@ -1085,6 +1087,7 @@ final class GiftStoreScreenComponent: Component {
 
                 if let initialCount = self.initialCount, initialCount >= minimumCountToDisplayFilters {
                     loadingTransition.setAlpha(view: filterSelectorView, alpha: 1.0)
+                    showingFilters = true
                 }
             }
 
@@ -1129,7 +1132,7 @@ final class GiftStoreScreenComponent: Component {
             self.updateScrolling(transition: transition)
 
             if isLoading && self.showLoading {
-                self.loadingNode.update(size: availableSize, theme: environment.theme, transition: .immediate)
+                self.loadingNode.update(size: availableSize, theme: environment.theme, showFilters: !showingFilters, transition: .immediate)
                 loadingTransition.setAlpha(view: self.loadingNode.view, alpha: 1.0)
             } else {
                 loadingTransition.setAlpha(view: self.loadingNode.view, alpha: 0.0)

submodules/TelegramUI/Components/Gifts/GiftStoreScreen/Sources/LoadingShimmerComponent.swift

@@ -125,7 +125,7 @@ final class LoadingShimmerNode: ASDisplayNode {
     private let backgroundColorNode: ASDisplayNode
     private let effectNode: SearchShimmerEffectNode
     private let maskNode: ASImageNode
-    private var currentParams: (size: CGSize, theme: PresentationTheme)?
+    private var currentParams: (size: CGSize, theme: PresentationTheme, showFilters: Bool)?
 
     override init() {
         self.backgroundColorNode = ASDisplayNode()
@@ -142,11 +142,11 @@ final class LoadingShimmerNode: ASDisplayNode {
         self.addSubnode(self.maskNode)
     }
 
-    func update(size: CGSize, theme: PresentationTheme, transition: ContainedViewLayoutTransition) {
+    func update(size: CGSize, theme: PresentationTheme, showFilters: Bool, transition: ContainedViewLayoutTransition) {
         let color = theme.list.itemSecondaryTextColor.mixedWith(theme.list.blocksBackgroundColor, alpha: 0.85)
 
-        if self.currentParams?.size != size || self.currentParams?.theme !== theme {
-            self.currentParams = (size, theme)
+        if self.currentParams?.size != size || self.currentParams?.theme !== theme  || self.currentParams?.showFilters != showFilters {
+            self.currentParams = (size, theme, showFilters)
 
             self.backgroundColorNode.backgroundColor = color
 
@@ -156,10 +156,12 @@ final class LoadingShimmerNode: ASDisplayNode {
 
                 let sideInset: CGFloat = 16.0
 
-                let filterSpacing: CGFloat = 6.0
-                let filterWidth = (size.width - sideInset * 2.0 - filterSpacing * 3.0) / 4.0
-                for i in 0 ..< 4 {
-                    context.addPath(CGPath(roundedRect: CGRect(origin: CGPoint(x: sideInset + (filterWidth + filterSpacing) * CGFloat(i), y: 0.0), size: CGSize(width: filterWidth, height: 28.0)), cornerWidth: 14.0, cornerHeight: 14.0, transform: nil))
+                if showFilters {
+                    let filterSpacing: CGFloat = 6.0
+                    let filterWidth = (size.width - sideInset * 2.0 - filterSpacing * 3.0) / 4.0
+                    for i in 0 ..< 4 {
+                        context.addPath(CGPath(roundedRect: CGRect(origin: CGPoint(x: sideInset + (filterWidth + filterSpacing) * CGFloat(i), y: 0.0), size: CGSize(width: filterWidth, height: 28.0)), cornerWidth: 14.0, cornerHeight: 14.0, transform: nil))
+                    }
                 }
 
                 var currentY: CGFloat = 39.0 + 7.0