tor-browser

commit 10df7114155fd70839d64e48fd2566cdf9a4fc9e
parent 2217a43137a59b7dfd5c7f5de04bfd81eeb14706
Author: Kelly Cochrane <kcochrane@mozilla.com>
Date:   Mon, 15 Dec 2025 17:28:05 +0000

Bug 2006109 - Ensure .split-view-active class is removed when unsplitting tabs r=tabbrowser-reviewers,sclements

Differential Revision: https://phabricator.services.mozilla.com/D276489

Diffstat:
M
browser/components/tabbrowser/content/tabbrowser.js
 | 
2
++
M
browser/components/tabbrowser/test/browser/tabs/browser_tab_splitview.js
 | 
9
+++++++++

2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/browser/components/tabbrowser/content/tabbrowser.js b/browser/components/tabbrowser/content/tabbrowser.js
@@ -3278,6 +3278,8 @@
         return;
       }
 
+      gBrowser.setIsSplitViewActive(false, splitview.tabs);
+
       for (let i = splitview.tabs.length - 1; i >= 0; i--) {
         this.#handleTabMove(splitview.tabs[i], () =>
           gBrowser.tabContainer.insertBefore(
diff --git a/browser/components/tabbrowser/test/browser/tabs/browser_tab_splitview.js b/browser/components/tabbrowser/test/browser/tabs/browser_tab_splitview.js
@@ -98,6 +98,15 @@ add_task(async function test_splitViewCreateAndAddTabs() {
     "Tabs have been unsplit from split view"
   );
 
+  let tab3Panel = tab3.linkedBrowser.closest(".browserSidebarContainer");
+  let tab4Panel = tab4.linkedBrowser.closest(".browserSidebarContainer");
+
+  Assert.ok(
+    !tab3Panel.classList.contains("split-view-panel-active") &&
+      !tab4Panel.classList.contains("split-view-panel-active"),
+    "Split view active classes have been removed from the tab panels"
+  );
+
   // Add tabs back to split view
   splitview = gBrowser.addTabSplitView([tab1, tab2]);