Merge "Handle display windowing mode change in onConfigChanged" into main
diff --git a/src/com/android/launcher3/util/DisplayController.java b/src/com/android/launcher3/util/DisplayController.java
index 0b45118..26912eb 100644
--- a/src/com/android/launcher3/util/DisplayController.java
+++ b/src/com/android/launcher3/util/DisplayController.java
@@ -255,7 +255,9 @@
                 || config.fontScale != mInfo.fontScale
                 || !mInfo.mScreenSizeDp.equals(
                         new PortraitSize(config.screenHeightDp, config.screenWidthDp))
-                || mWindowContext.getDisplay().getRotation() != mInfo.rotation) {
+                || mWindowContext.getDisplay().getRotation() != mInfo.rotation
+                || WindowManagerProxy.INSTANCE.get(mContext).showLockedTaskbarOnHome(mWindowContext)
+                        != mInfo.showLockedTaskbarOnHome()) {
             notifyConfigChange();
         }
     }
diff --git a/tests/multivalentTests/src/com/android/launcher3/util/DisplayControllerTest.kt b/tests/multivalentTests/src/com/android/launcher3/util/DisplayControllerTest.kt
index 308f200..a3a680e 100644
--- a/tests/multivalentTests/src/com/android/launcher3/util/DisplayControllerTest.kt
+++ b/tests/multivalentTests/src/com/android/launcher3/util/DisplayControllerTest.kt
@@ -207,4 +207,21 @@
             .onDisplayInfoChanged(any(), any(), eq(CHANGE_TASKBAR_PINNING))
         assertFalse(displayController.getInfo().isTransientTaskbar())
     }
+
+    @Test
+    @UiThreadTest
+    fun testLockedTaskbarChangeOnConfigurationChanged() {
+        whenever(windowManagerProxy.showLockedTaskbarOnHome(any())).thenReturn(true)
+        whenever(windowManagerProxy.isHomeVisible(any())).thenReturn(true)
+        whenever(windowManagerProxy.isInDesktopMode()).thenReturn(false)
+        whenever(launcherPrefs.get(TASKBAR_PINNING)).thenReturn(false)
+        DisplayController.enableTaskbarModePreferenceForTests(true)
+        assertTrue(displayController.getInfo().isTransientTaskbar())
+
+        displayController.onConfigurationChanged(configuration)
+
+        verify(displayInfoChangeListener)
+            .onDisplayInfoChanged(any(), any(), eq(CHANGE_TASKBAR_PINNING))
+        assertFalse(displayController.getInfo().isTransientTaskbar())
+    }
 }