TabView: Better animations for closing tabs in the middle

App/Tabs/TabBarView.swift

@@ -156,7 +156,11 @@ class TabBarView: UIView
             } else {
                 let newTabView = makeTabView(withIdentifier: identifier)
                 if animated { newTabView.collapsed = true }
-                tabViews.append(newTabView)
+                if i < tabViews.count {
+                    tabViews.insert(newTabView, at: i - 1)
+                } else {
+                    tabViews.append(newTabView)
+                }
             }
         }
         

App/Tabs/TabController.swift

@@ -33,7 +33,11 @@ class TabController
     
     func createNewTab(url: URL?, webViewConfiguration: WKWebViewConfiguration?) -> Tab {
         let tab = Tab(url: url, policyManager: policyManager, webViewConfiguration: webViewConfiguration)
-        tabs.append(tab)
+        if tabs.count > 0 {
+            tabs.insert(tab, at: activeTabIndex + 1)
+        } else {
+            tabs.append(tab)
+        }
         
         return tab
     }
@@ -43,7 +47,9 @@ class TabController
             tabs.remove(at: index)
             
             if tabs.count > 0 {
-                if index < tabs.count {
+                if (index - 1) >= 0 {
+                    activeTabIndex = index - 1
+                } else if index < tabs.count {
                     activeTabIndex = index
                 } else {
                     activeTabIndex = tabs.count - 1