Refactor PeerInfoUI and related modules

submodules/PeerInfoUI/Sources/GroupInfoSearchNavigationContentNode.swift

@@ -0,0 +1,96 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+import Postbox
+import TelegramCore
+import TelegramPresentationData
+import ItemListUI
+import SearchBarNode
+
+private let searchBarFont = Font.regular(17.0)
+
+final class GroupInfoSearchNavigationContentNode: NavigationBarContentNode, ItemListControllerSearchNavigationContentNode {
+    private var theme: PresentationTheme
+    private let strings: PresentationStrings
+    private let searchMode: ChannelMembersSearchMode
+    
+    private let cancel: () -> Void
+    
+    private let searchBar: SearchBarNode
+    
+    private var queryUpdated: ((String) -> Void)?
+    var activity: Bool = false {
+        didSet {
+            searchBar.activity = activity
+        }
+    }
+    init(theme: PresentationTheme, strings: PresentationStrings, mode: ChannelMembersSearchMode, cancel: @escaping () -> Void, updateActivity: @escaping(@escaping(Bool)->Void) -> Void) {
+        self.theme = theme
+        self.strings = strings
+        self.searchMode = mode
+        
+        self.cancel = cancel
+        
+        self.searchBar = SearchBarNode(theme: SearchBarNodeTheme(theme: theme, hasSeparator: false), strings: strings, fieldStyle: .modern)
+        
+        super.init()
+        
+        self.addSubnode(self.searchBar)
+        
+        self.searchBar.cancel = { [weak self] in
+            self?.searchBar.deactivate(clear: false)
+            self?.cancel()
+        }
+        
+        self.searchBar.textUpdated = { [weak self] query in
+            self?.queryUpdated?(query)
+        }
+        
+        updateActivity({ [weak self] value in
+            self?.activity = value
+        })
+        
+        self.updatePlaceholder()
+    }
+    
+    func setQueryUpdated(_ f: @escaping (String) -> Void) {
+        self.queryUpdated = f
+    }
+    
+    func updateTheme(_ theme: PresentationTheme) {
+        self.theme = theme
+        self.searchBar.updateThemeAndStrings(theme: SearchBarNodeTheme(theme: self.theme), strings: self.strings)
+        self.updatePlaceholder()
+    }
+    
+    func updatePlaceholder() {
+        let placeholderText: String
+        switch self.searchMode {
+            case .searchBanned:
+                placeholderText = self.strings.GroupInfo_Permissions_SearchPlaceholder
+            default:
+                placeholderText = self.strings.Conversation_SearchByName_Placeholder
+        }
+        self.searchBar.placeholderString = NSAttributedString(string: placeholderText, font: searchBarFont, textColor: self.theme.rootController.navigationSearchBar.inputPlaceholderTextColor)
+    }
+    
+    override var nominalHeight: CGFloat {
+        return 54.0
+    }
+    
+    override func updateLayout(size: CGSize, leftInset: CGFloat, rightInset: CGFloat, transition: ContainedViewLayoutTransition) {
+        let searchBarFrame = CGRect(origin: CGPoint(x: 0.0, y: size.height - self.nominalHeight), size: CGSize(width: size.width, height: 54.0))
+        self.searchBar.frame = searchBarFrame
+        self.searchBar.updateLayout(boundingSize: searchBarFrame.size, leftInset: leftInset, rightInset: rightInset, transition: transition)
+    }
+    
+    func activate() {
+        self.searchBar.activate()
+    }
+    
+    func deactivate() {
+        self.searchBar.deactivate(clear: false)
+    }
+}
+