Implemented find on page UI

App/Browser View/BrowserViewController.swift

@@ -19,6 +19,7 @@ class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegat
     
     private let tabController = TabController()
     private let toolbarController = ToolbarViewController()
+    private let findOnPageController = FindOnPageViewController()
     
     private let autocompleteViewController = AutocompleteViewController()
     private let redirectRules = PersonalRedirectRules()
@@ -41,6 +42,8 @@ class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegat
         super.init(nibName: nil, bundle: nil)
         
         addChild(toolbarController)
+        addChild(findOnPageController)
+        
         didChangeTab(tab)
     }
     
@@ -48,6 +51,7 @@ class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegat
     
     override func loadView() {
         browserView.toolbarView = toolbarController.toolbarView
+        browserView.findOnPageView = findOnPageController.findOnPageView
         
         // Refresh button
         toolbarController.urlBar.refreshButton.addAction(UIAction(handler: { [unowned self] action in
@@ -198,9 +202,19 @@ class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegat
                 label.text = numberFormatter.string(for: tab.webView._viewScale)
             }), for: .touchUpInside)
             
+            documentControls.findOnPageControlView.addAction(UIAction(handler: { [unowned self] _ in
+                documentControls.dismiss(animated: true, completion: nil)
+                browserView.setFindOnPageVisible(true, animated: true)
+            }), for: .touchUpInside)
+            
             present(documentControls, animated: true, completion: nil)
         }), for: .touchUpInside)
         
+        // Find on page dismiss
+        findOnPageController.findOnPageView.doneButton.addAction(UIAction(handler: { [unowned self] _ in
+            browserView.setFindOnPageVisible(false, animated: true)
+        }), for: .touchUpInside)
+        
         self.view = browserView
     }
     
@@ -234,6 +248,7 @@ class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegat
         
         // Change webView
         browserView.webView = webView
+        findOnPageController.webView = webView
         
         // Autocomplete view
         browserView.autocompleteView = autocompleteViewController.view
@@ -552,4 +567,9 @@ class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegat
             }
         }
     }
+    
+    func findOnPage(_ sender: Any?) {
+        browserView.setFindOnPageVisible(true, animated: true)
+        findOnPageController.findOnPageView.textField.becomeFirstResponder()
+    }
 }