Various improvements

submodules/TelegramUI/Components/AttachmentFileController/Sources/AttachmentFileController.swift

@@ -204,6 +204,12 @@ public class AttachmentFileControllerImpl: ItemListController, AttachmentFileCon
     private var topEdgeEffectView: EdgeEffectView?
     private var bottomEdgeEffectView: EdgeEffectView?
     
+    var isSearching: Bool = false {
+        didSet {
+            self.requestLayout(transition: .animated(duration: 0.2, curve: .easeInOut))
+        }
+    }
+    
     public override func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
         super.containerLayoutUpdated(layout, transition: transition)
         
@@ -234,6 +240,7 @@ public class AttachmentFileControllerImpl: ItemListController, AttachmentFileCon
                 
         let bottomEdgeEffectFrame = CGRect(origin: CGPoint(x: 0.0, y: layout.size.height - edgeEffectHeight - layout.additionalInsets.bottom), size: CGSize(width: layout.size.width, height: edgeEffectHeight))
         transition.updateFrame(view: bottomEdgeEffectView, frame: bottomEdgeEffectFrame)
+        transition.updateAlpha(layer: bottomEdgeEffectView.layer, alpha: self.isSearching ? 0.0 : 1.0)
         bottomEdgeEffectView.update(content: .clear, blur: true, alpha: 1.0, rect: bottomEdgeEffectFrame, edge: .bottom, edgeSize: bottomEdgeEffectFrame.height, transition: ComponentTransition(transition))
     }
 }
@@ -255,6 +262,7 @@ public func makeAttachmentFileControllerImpl(context: AccountContext, updatedPre
     var expandImpl: (() -> Void)?
     var dismissImpl: (() -> Void)?
     var dismissInputImpl: (() -> Void)?
+    var updateIsSearchingImpl: ((Bool) -> Void)?
     let arguments = AttachmentFileControllerArguments(
         context: context,
         openGallery: {
@@ -357,6 +365,7 @@ public func makeAttachmentFileControllerImpl(context: AccountContext, updatedPre
                     return updatedState
                 }
                 updateTabBarVisibilityImpl?(false)
+                updateIsSearchingImpl?(true)
             }
         )
         let searchButtonComponent = state.searching ? nil : AnyComponentWithIdentity(id: "search", component: AnyComponent(searchButton))
@@ -424,6 +433,7 @@ public func makeAttachmentFileControllerImpl(context: AccountContext, updatedPre
                     return updatedState
                 }
                 updateTabBarVisibilityImpl?(true)
+                updateIsSearchingImpl?(false)
             }, send: { message in
                 arguments.send(message)
             }, dismissInput: {
@@ -463,6 +473,9 @@ public func makeAttachmentFileControllerImpl(context: AccountContext, updatedPre
             return updatedState
         }
     }
+    updateIsSearchingImpl = { [weak controller] isSearching in
+        controller?.isSearching = isSearching
+    }
     dismissImpl = { [weak controller] in
         controller?.dismiss(animated: true)
     }

submodules/TelegramUI/Components/AttachmentFileController/Sources/AttachmentFileEmptyItem.swift

@@ -122,7 +122,7 @@ final class AttachmentFileEmptyStateItemNode: ItemListControllerEmptyStateItemNo
             insets.top += -60.0
             imageSize = CGSize(width: 112.0, height: 112.0)
         } else {
-            insets.top += -160.0
+            insets.top += 30.0 //-160.0
         }
         
         let imageSpacing: CGFloat = 12.0

submodules/TelegramUI/Components/AttachmentFileController/Sources/AttachmentFileSearchItem.swift

@@ -94,13 +94,15 @@ private final class AttachmentFileSearchItemNode: ItemListControllerSearchNode {
         self.strings = strings
         self.focus = focus
         self.cancel = cancel
-        
+                
         self.containerNode = AttachmentFileSearchContainerNode(context: context, forceTheme: nil, send: { message in
             send(message)
         }, updateActivity: updateActivity)
 
         super.init()
         
+        self.addedUnderNavigationBar = true
+        
         self.addSubnode(self.containerNode)
         
         self.containerNode.cancel = { [weak self] in
@@ -278,6 +280,7 @@ public final class AttachmentFileSearchContainerNode: SearchDisplayControllerCon
     private let send: (Message) -> Void
     
     private let dimNode: ASDisplayNode
+    private let backgroundNode: ASDisplayNode
     private let listNode: ListView
     
     private let emptyResultsTitleNode: ImmediateTextNode
@@ -317,6 +320,8 @@ public final class AttachmentFileSearchContainerNode: SearchDisplayControllerCon
         self.dimNode = ASDisplayNode()
         self.dimNode.backgroundColor = .clear
         
+        self.backgroundNode = ASDisplayNode()
+        
         self.listNode = ListView()
         self.listNode.accessibilityPageScrolledString = { row, count in
             return presentationData.strings.VoiceOver_ScrollStatus(row, count).string
@@ -336,12 +341,16 @@ public final class AttachmentFileSearchContainerNode: SearchDisplayControllerCon
         
         super.init()
                 
+        self.backgroundNode.backgroundColor = self.presentationData.theme.chatList.backgroundColor
+        self.backgroundNode.alpha = 0.0
+        
         self.listNode.backgroundColor = self.presentationData.theme.chatList.backgroundColor
         self.listNode.alpha = 0.0
         
         self._hasDim = true
         
         self.addSubnode(self.dimNode)
+        self.addSubnode(self.backgroundNode)
         self.addSubnode(self.listNode)
         
         self.addSubnode(self.emptyResultsTitleNode)
@@ -448,6 +457,7 @@ public final class AttachmentFileSearchContainerNode: SearchDisplayControllerCon
     }
     
     private func updateThemeAndStrings(theme: PresentationTheme, strings: PresentationStrings) {
+        self.backgroundNode.backgroundColor = theme.chatList.backgroundColor
         self.listNode.backgroundColor = theme.chatList.backgroundColor
     }
     
@@ -484,6 +494,7 @@ public final class AttachmentFileSearchContainerNode: SearchDisplayControllerCon
                 }
                 
                 let containerTransition = ContainedViewLayoutTransition.animated(duration: 0.3, curve: .easeInOut)
+                containerTransition.updateAlpha(node: strongSelf.backgroundNode, alpha: isSearching ? 1.0 : 0.0)
                 containerTransition.updateAlpha(node: strongSelf.listNode, alpha: isSearching ? 1.0 : 0.0)
                 strongSelf.dimNode.isHidden = transition.isSearching
                 
@@ -514,6 +525,7 @@ public final class AttachmentFileSearchContainerNode: SearchDisplayControllerCon
         let topInset = navigationBarHeight
         transition.updateFrame(node: self.dimNode, frame: CGRect(origin: CGPoint(x: 0.0, y: topInset), size: CGSize(width: layout.size.width, height: layout.size.height - topInset)))
         
+        self.backgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -66.0), size: CGSize(width: layout.size.width, height: 66.0))
         self.listNode.frame = CGRect(origin: CGPoint(), size: layout.size)
         self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous], scrollToItem: nil, updateSizeAndInsets: ListViewUpdateSizeAndInsets(size: layout.size, insets: insets, duration: duration, curve: curve), stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })