Fix search bar visibility in HashtagSearchControllerNode

Author: pwd491

submodules/AccountContext/Sources/ChatController.swift

@@ -1083,6 +1083,8 @@ public protocol ChatController: ViewController {
     var isSendButtonVisible: Bool { get }
 
     var isSelectingMessagesUpdated: ((Bool) -> Void)? { get set }
+    var onGalleryPresentationInContextChanged: ((Bool) -> Void)? { get set }
+
     func cancelSelectingMessages()
     func activateSearch(domain: ChatSearchDomain, query: String)
     func activateInput(type: ChatControllerActivateInput)

submodules/HashtagSearchUI/Sources/HashtagSearchControllerNode.swift

@@ -192,6 +192,21 @@ final class HashtagSearchControllerNode: ASDisplayNode, ASGestureRecognizerDeleg
             }
         }
 
+        var galleryPresentationCount = 0
+        let updateSearchBarVisibility: (Bool) -> Void = { [weak self] isPresented in
+            guard let self else { return }
+            if isPresented {
+                galleryPresentationCount += 1
+            } else {
+                galleryPresentationCount -= 1
+            }
+            let shouldHide = galleryPresentationCount > 0
+            self.controller?.navigationBar?.setContentNode(shouldHide ? nil : self.searchContentNode, animated: true)
+        }
+        self.currentController?.onGalleryPresentationInContextChanged = updateSearchBarVisibility
+        self.myController?.onGalleryPresentationInContextChanged = updateSearchBarVisibility
+        self.globalController?.onGalleryPresentationInContextChanged = updateSearchBarVisibility
+        
         if controller.mode != .chatOnly {
             navigationBar?.setContentNode(self.searchContentNode, animated: false)
         }

submodules/TelegramUI/Sources/ChatController.swift

@@ -311,6 +311,7 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
     let temporaryHiddenGalleryMediaDisposable = MetaDisposable()
 
     let galleryPresentationContext = PresentationContext()
+    public var onGalleryPresentationInContextChanged: ((Bool) -> Void)?
 
     let chatBackgroundNode: WallpaperBackgroundNode
     public private(set) var controllerInteraction: ChatControllerInteraction?
@@ -6792,11 +6793,12 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
     override public func loadDisplayNode() {
         self.loadDisplayNodeImpl()
         self.galleryPresentationContext.view = self.view
-        self.galleryPresentationContext.controllersUpdated = { [weak self] _ in
+        self.galleryPresentationContext.controllersUpdated = { [weak self] controllers in
             guard let self else {
                 return
             }
             self.updateStatusBarPresentation()
+            self.onGalleryPresentationInContextChanged?(!controllers.isEmpty)
         }
     }