add animation

yobble/Components/TopBarView.swift

@@ -12,9 +12,9 @@ struct TopBarView: View {
     
     // Привязка для управления боковым меню
     @Binding var isSideMenuPresented: Bool
+    @Binding var chatSearchRevealProgress: CGFloat
     
     @State private var searchText: String = ""
-    @State private var isSearchBarVisible: Bool = false
     
     var isHomeTab: Bool {
         return title == "Home"
@@ -106,38 +106,47 @@ struct TopBarView: View {
             .padding()
             .frame(height: 50) // Стандартная высота для нав. бара
             
-            if isChatsTab && isSearchBarVisible {
+            if isChatsTab {
-                searchBar
+                revealableSearchBar
-                    .padding(.horizontal)
-                    .padding(.bottom, 8)
-                    .transition(.move(edge: .top).combined(with: .opacity))
             }
 
             Divider()
         }
         .background(Color(UIColor.systemBackground))
-        .animation(.spring(response: 0.35, dampingFraction: 0.85), value: isSearchBarVisible)
-        .onReceive(NotificationCenter.default.publisher(for: .chatsTabRevealSearchBar)) { _ in
-            guard isChatsTab else { return }
-            withAnimation {
-                isSearchBarVisible = true
-            }
-        }
-        .onReceive(NotificationCenter.default.publisher(for: .chatsTabHideSearchBar)) { _ in
-            guard isChatsTab else { return }
-            withAnimation {
-                isSearchBarVisible = false
-            }
-        }
         .onChange(of: isChatsTab) { isChats in
             if !isChats {
-                isSearchBarVisible = false
+                withAnimation(.spring(response: 0.35, dampingFraction: 0.75)) {
+                    chatSearchRevealProgress = 0
+                }
             }
         }
     }
 }
 
 private extension TopBarView {
+    private var normalizedRevealProgress: CGFloat {
+        guard isChatsTab else { return 0 }
+        return max(0, min(chatSearchRevealProgress, 1))
+    }
+
+    private var revealableSearchBar: some View {
+        let progress = normalizedRevealProgress
+        return VStack(spacing: 0) {
+            Spacer(minLength: 0)
+            searchBar
+                .padding(.horizontal)
+                .padding(.bottom, 8)
+        }
+        .frame(height: searchBarRevealHeight)
+        .clipped()
+        .scaleEffect(y: max(progress, 0.0001), anchor: .top)
+        .opacity(progress)
+        .allowsHitTesting(progress > 0.9)
+        .accessibilityHidden(progress < 0.9)
+    }
+
+    private var searchBarRevealHeight: CGFloat { 56 }
+
     var searchBar: some View {
         HStack(spacing: 8) {
             Image(systemName: "magnifyingglass")
@@ -165,7 +174,26 @@ private extension TopBarView {
 }
 
 struct TopBarView_Previews: PreviewProvider {
+    struct Wrapper: View {
+        @State private var selectedAccount = "@user"
+        @State private var isSideMenuPresented = false
+        @State private var revealProgress: CGFloat = 1
+        @StateObject private var viewModel = LoginViewModel()
+
+        var body: some View {
+            TopBarView(
+                title: "Chats",
+                selectedAccount: $selectedAccount,
+                accounts: [selectedAccount],
+                viewModel: viewModel,
+                isSideMenuPresented: $isSideMenuPresented,
+                chatSearchRevealProgress: $revealProgress
+            )
+        }
+    }
+
     static var previews: some View {
-        /*@START_MENU_TOKEN@*/Text("Hello, World!")/*@END_MENU_TOKEN@*/
+        Wrapper()
+            .environmentObject(ThemeManager())
     }
 }

yobble/Views/Tab/ChatsTab.swift

@@ -8,10 +8,20 @@
 import SwiftUI
 
 struct ChatsTab: View {
-    var currentUserId: String? = nil
+    var currentUserId: String?
+    @Binding var searchRevealProgress: CGFloat
     @StateObject private var viewModel = PrivateChatsViewModel()
     @State private var selectedChatId: String?
     @State private var searchText: String = ""
+    @State private var searchDragStartProgress: CGFloat = 0
+    @State private var isSearchGestureActive: Bool = false
+
+    private let searchRevealDistance: CGFloat = 90
+
+    init(currentUserId: String? = nil, searchRevealProgress: Binding<CGFloat>) {
+        self.currentUserId = currentUserId
+        self._searchRevealProgress = searchRevealProgress
+    }
 
     var body: some View {
         content
@@ -154,16 +164,31 @@ struct ChatsTab: View {
     }
 
     private var searchBarGesture: some Gesture {
-        DragGesture(minimumDistance: 24)
+        DragGesture(minimumDistance: 10, coordinateSpace: .local)
-            .onEnded { value in
+            .onChanged { value in
                 let verticalTranslation = value.translation.height
                 let horizontalTranslation = value.translation.width
-                guard abs(verticalTranslation) > abs(horizontalTranslation) else { return }
 
-                if verticalTranslation > 24 {
+                if !isSearchGestureActive {
-                    NotificationCenter.default.post(name: .chatsTabRevealSearchBar, object: nil)
+                    guard abs(verticalTranslation) > abs(horizontalTranslation) else { return }
-                } else if verticalTranslation < -24 {
+                    if searchRevealProgress <= 0.001 && verticalTranslation < 0 { return }
-                    NotificationCenter.default.post(name: .chatsTabHideSearchBar, object: nil)
+                    isSearchGestureActive = true
+                    searchDragStartProgress = searchRevealProgress
+                }
+
+                guard isSearchGestureActive else { return }
+
+                let delta = verticalTranslation / searchRevealDistance
+                let newProgress = searchDragStartProgress + delta
+                searchRevealProgress = max(0, min(1, newProgress))
+            }
+            .onEnded { _ in
+                guard isSearchGestureActive else { return }
+                isSearchGestureActive = false
+
+                let target: CGFloat = searchRevealProgress > 0.5 ? 1 : 0
+                withAnimation(.spring(response: 0.35, dampingFraction: 0.75)) {
+                    searchRevealProgress = target
                 }
             }
     }
@@ -568,10 +593,18 @@ private struct ChatRowView: View {
 }
 
 struct ChatsTab_Previews: PreviewProvider {
-    static var previews: some View {
+    struct Wrapper: View {
-        ChatsTab()
+        @State private var progress: CGFloat = 1
+
+        var body: some View {
+            ChatsTab(searchRevealProgress: $progress)
                 .environmentObject(ThemeManager())
         }
+    }
+
+    static var previews: some View {
+        Wrapper()
+    }
 }
 
 private struct ChatPlaceholderView: View {
@@ -636,6 +669,4 @@ private struct ChatPlaceholderView: View {
 
 extension Notification.Name {
     static let debugRefreshChats = Notification.Name("debugRefreshChats")
-    static let chatsTabRevealSearchBar = Notification.Name("chatsTabRevealSearchBar")
-    static let chatsTabHideSearchBar = Notification.Name("chatsTabHideSearchBar")
 }

yobble/Views/Tab/MainView.swift

@@ -13,6 +13,7 @@ struct MainView: View {
     // Состояния для бокового меню
     @State private var isSideMenuPresented = false
     @State private var menuOffset: CGFloat = 0
+    @State private var chatSearchRevealProgress: CGFloat = 0
     
     private var tabTitle: String {
         switch selectedTab {
@@ -38,7 +39,8 @@ struct MainView: View {
                         selectedAccount: $selectedAccount,
                         accounts: accounts,
                         viewModel: viewModel,
-                        isSideMenuPresented: $isSideMenuPresented
+                        isSideMenuPresented: $isSideMenuPresented,
+                        chatSearchRevealProgress: $chatSearchRevealProgress
                     )
                     
                     ZStack {
@@ -48,8 +50,12 @@ struct MainView: View {
                         FeedbackTab()
                             .opacity(selectedTab == 1 ? 1 : 0)
                         
-                        ChatsTab(currentUserId: viewModel.userId.isEmpty ? nil : viewModel.userId)
+                        ChatsTab(
+                            currentUserId: viewModel.userId.isEmpty ? nil : viewModel.userId,
+                            searchRevealProgress: $chatSearchRevealProgress
+                        )
                             .opacity(selectedTab == 2 ? 1 : 0)
+                            .allowsHitTesting(selectedTab == 2)
                         
                         ProfileTab()
                             .opacity(selectedTab == 3 ? 1 : 0)