From fa6cf2138657b0ef2a808e4bb766c6d2b4e3dc00 Mon Sep 17 00:00:00 2001
From: Simon Hong <shong@brave.com>
Date: Wed, 15 Jan 2025 13:58:02 +0900
Subject: [PATCH] Fixed tab layout is not updated after swap in vertical tab

https://github.com/brave/brave-browser/issues/43276

We need to update split tab's border insets in vertical tab as
top & bottom tab in tile use different insets.
---
 browser/ui/views/tabs/brave_tab_container.cc | 4 ++++
 browser/ui/views/tabs/brave_tab_container.h  | 1 +
 2 files changed, 5 insertions(+)

diff --git a/browser/ui/views/tabs/brave_tab_container.cc b/browser/ui/views/tabs/brave_tab_container.cc
index 2d8364661407..23fde5ec9a4e 100644
--- a/browser/ui/views/tabs/brave_tab_container.cc
+++ b/browser/ui/views/tabs/brave_tab_container.cc
@@ -614,6 +614,10 @@ void BraveTabContainer::OnDidBreakTile(const TabTile& tile) {
   SchedulePaint();
 }
 
+void BraveTabContainer::OnSwapTabsInTile(const TabTile& tile) {
+  UpdateTabsBorderInTile(tile);
+}
+
 gfx::Rect BraveTabContainer::GetDropBounds(int drop_index,
                                            bool drop_before,
                                            bool drop_in_group,
diff --git a/browser/ui/views/tabs/brave_tab_container.h b/browser/ui/views/tabs/brave_tab_container.h
index 099083ad2743..476eda70b93f 100644
--- a/browser/ui/views/tabs/brave_tab_container.h
+++ b/browser/ui/views/tabs/brave_tab_container.h
@@ -61,6 +61,7 @@ class BraveTabContainer : public TabContainerImpl,
   // SplitViewBrowserDataObserver:
   void OnTileTabs(const TabTile& tile) override;
   void OnDidBreakTile(const TabTile& tile) override;
+  void OnSwapTabsInTile(const TabTile& tile) override;
 
  private:
   class DropArrow : public views::WidgetObserver {