From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../browser_new_tab_bookmarks_toolbar_height.js    | 129 +++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 browser/base/content/test/tabs/browser_new_tab_bookmarks_toolbar_height.js

(limited to 'browser/base/content/test/tabs/browser_new_tab_bookmarks_toolbar_height.js')

diff --git a/browser/base/content/test/tabs/browser_new_tab_bookmarks_toolbar_height.js b/browser/base/content/test/tabs/browser_new_tab_bookmarks_toolbar_height.js
new file mode 100644
index 0000000000..66258659fd
--- /dev/null
+++ b/browser/base/content/test/tabs/browser_new_tab_bookmarks_toolbar_height.js
@@ -0,0 +1,129 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Tests that showing the bookmarks toolbar for new tabs only doesn't affect
+// the view port height in background tabs.
+
+let gHeightChanges = 0;
+async function expectHeightChanges(tab, expectedNewHeightChanges, msg) {
+  let contentObservedHeightChanges = await ContentTask.spawn(
+    tab.linkedBrowser,
+    null,
+    async args => {
+      await new Promise(resolve => content.requestAnimationFrame(resolve));
+      return content.document.body.innerText;
+    }
+  );
+  is(
+    contentObservedHeightChanges - gHeightChanges,
+    expectedNewHeightChanges,
+    msg
+  );
+  gHeightChanges = contentObservedHeightChanges;
+}
+
+async function expectBmToolbarVisibilityChange(triggerFn, visible, msg) {
+  let collapsedState = BrowserTestUtils.waitForMutationCondition(
+    BookmarkingUI.toolbar,
+    { attributes: true, attributeFilter: ["collapsed"] },
+    () => BookmarkingUI.toolbar.collapsed != visible
+  );
+  let toolbarItemsVisibilityUpdated = visible
+    ? BrowserTestUtils.waitForEvent(
+        BookmarkingUI.toolbar,
+        "BookmarksToolbarVisibilityUpdated"
+      )
+    : null;
+  triggerFn();
+  await collapsedState;
+  is(
+    BookmarkingUI.toolbar.getAttribute("collapsed"),
+    (!visible).toString(),
+    `${msg}; collapsed attribute state`
+  );
+  if (visible) {
+    info(`${msg}; waiting for toolbar items to become visible`);
+    await toolbarItemsVisibilityUpdated;
+    isnot(
+      BookmarkingUI.toolbar.getBoundingClientRect().height,
+      0,
+      `${msg}; should have a height`
+    );
+  } else {
+    is(
+      BookmarkingUI.toolbar.getBoundingClientRect().height,
+      0,
+      `${msg}; should have zero height`
+    );
+  }
+}
+
+add_task(async function () {
+  registerCleanupFunction(() => {
+    setToolbarVisibility(
+      BookmarkingUI.toolbar,
+      gBookmarksToolbarVisibility,
+      false,
+      false
+    );
+  });
+
+  await expectBmToolbarVisibilityChange(
+    () => setToolbarVisibility(BookmarkingUI.toolbar, false, false, false),
+    false,
+    "bookmarks toolbar is hidden initially"
+  );
+
+  let pageURL = getRootDirectory(gTestPath).replace(
+    "chrome://mochitests/content",
+    "https://example.com"
+  );
+  pageURL = `${pageURL}file_observe_height_changes.html`;
+  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, pageURL);
+
+  await expectBmToolbarVisibilityChange(
+    () => setToolbarVisibility(BookmarkingUI.toolbar, true, false, false),
+    true,
+    "bookmarks toolbar is visible after explicitly showing it for tab with content loaded"
+  );
+  await expectHeightChanges(
+    tab,
+    1,
+    "content area height changes when showing the toolbar without the animation"
+  );
+
+  await expectBmToolbarVisibilityChange(
+    () => setToolbarVisibility(BookmarkingUI.toolbar, "newtab", false, false),
+    false,
+    "bookmarks toolbar is hidden for non-new tab after setting it to only show for new tabs"
+  );
+  await expectHeightChanges(
+    tab,
+    1,
+    "content area height changes when hiding the toolbar without the animation"
+  );
+
+  info("Opening a new tab, making the previous tab non-selected");
+  await expectBmToolbarVisibilityChange(
+    () => {
+      BrowserOpenTab();
+      ok(
+        !tab.selected,
+        "non-new tab is in the background (not the selected tab)"
+      );
+    },
+    true,
+    "bookmarks toolbar is visible for new tab after setting it to only show for new tabs"
+  );
+  await expectHeightChanges(
+    tab,
+    0,
+    "no additional content area height change in background tab when showing the bookmarks toolbar in new tab"
+  );
+
+  gBrowser.removeCurrentTab();
+  gBrowser.removeTab(tab);
+});
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