From e85022065b0c1e9c0ea8cb31aae30b8400189fc7 Mon Sep 17 00:00:00 2001
From: Kyle Hickinson <git@kylehickinson.com>
Date: Thu, 5 Oct 2023 12:40:11 -0400
Subject: [PATCH] Fix #8190: Add in-page search to the debug histograms
 controller

---
 .../Settings/SettingsViewController.swift       | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Sources/Brave/Frontend/Settings/SettingsViewController.swift b/Sources/Brave/Frontend/Settings/SettingsViewController.swift
index 043e7b8edd0..0d5a3bc58d6 100644
--- a/Sources/Brave/Frontend/Settings/SettingsViewController.swift
+++ b/Sources/Brave/Frontend/Settings/SettingsViewController.swift
@@ -780,6 +780,23 @@ class SettingsViewController: TableViewController {
             let histogramsController = self.p3aUtilities.histogramsController().then {
               $0.title = "Histograms (p3a)"
             }
+            if #available(iOS 16.0, *) {
+              // TODO: Replace this with property access when exposed from brave-core side
+              let webView = histogramsController.value(forKey: "_webView") as! WKWebView // swiftlint:disable:this force_cast
+              webView.isFindInteractionEnabled = true
+              histogramsController.navigationItem.rightBarButtonItem = UIBarButtonItem(
+                systemItem: .search,
+                primaryAction: .init { [weak webView] _ in
+                  guard let webView,
+                        let findInteraction = webView.findInteraction,
+                        !findInteraction.isFindNavigatorVisible else {
+                    return
+                  }
+                  webView.findInteraction?.searchText = ""
+                  webView.findInteraction?.presentFindNavigator(showingReplace: false)
+                }
+              )
+            }
             self.navigationController?.pushViewController(histogramsController, animated: true)
           }, accessory: .disclosureIndicator, cellClass: MultilineValue1Cell.self),
         Row(