diff --git a/quickstep/res/layout/transient_taskbar.xml b/quickstep/res/layout/transient_taskbar.xml
index 6af7cf4..d212ffd 100644
--- a/quickstep/res/layout/transient_taskbar.xml
+++ b/quickstep/res/layout/transient_taskbar.xml
@@ -43,7 +43,7 @@
         android:layout_width="wrap_content"
         android:layout_height="@dimen/bubblebar_size"
         android:layout_gravity="bottom|end"
-        android:layout_marginEnd="@dimen/transient_taskbar_bottom_margin"
+        android:layout_marginHorizontal="@dimen/transient_taskbar_bottom_margin"
         android:paddingEnd="@dimen/taskbar_icon_spacing"
         android:paddingStart="@dimen/taskbar_icon_spacing"
         android:visibility="gone"
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
index 6dc7db7..2b69e96 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
@@ -73,6 +73,7 @@
 import com.android.quickstep.SystemUiProxy;
 import com.android.wm.shell.Flags;
 import com.android.wm.shell.bubbles.IBubblesListener;
+import com.android.wm.shell.common.bubbles.BubbleBarLocation;
 import com.android.wm.shell.common.bubbles.BubbleBarUpdate;
 import com.android.wm.shell.common.bubbles.BubbleInfo;
 import com.android.wm.shell.common.bubbles.RemovedBubble;
@@ -161,6 +162,7 @@
         String selectedBubbleKey;
         String suppressedBubbleKey;
         String unsuppressedBubbleKey;
+        BubbleBarLocation bubbleBarLocation;
         List<RemovedBubble> removedBubbles;
         List<String> bubbleKeysInOrder;
 
@@ -176,6 +178,7 @@
             selectedBubbleKey = update.selectedBubbleKey;
             suppressedBubbleKey = update.suppressedBubbleKey;
             unsuppressedBubbleKey = update.unsupressedBubbleKey;
+            bubbleBarLocation = update.bubbleBarLocation;
             removedBubbles = update.removedBubbles;
             bubbleKeysInOrder = update.bubbleKeysInOrder;
         }
@@ -400,6 +403,12 @@
                 Log.w(TAG, "expansion was changed but is the same");
             }
         }
+        if (update.bubbleBarLocation != null) {
+            if (update.bubbleBarLocation != mBubbleBarViewController.getBubbleBarLocation()) {
+                mBubbleBarViewController.setBubbleBarLocation(update.bubbleBarLocation);
+                mBubbleStashController.setBubbleBarLocation(update.bubbleBarLocation);
+            }
+        }
     }
 
     /** Tells WMShell to show the currently selected bubble. */
@@ -593,7 +602,7 @@
         Rect location = new Rect();
         // currentBarBounds is only useful for distance from left or right edge.
         // It contains the current bounds, calculate the expanded bounds.
-        if (mBarView.isOnLeft()) {
+        if (mBarView.getBubbleBarLocation().isOnLeft(mBarView.isLayoutRtl())) {
             location.left = currentBarBounds.left;
             location.right = (int) (currentBarBounds.left + mBarView.expandedWidth());
         } else {
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
index 8f693a6..61ae965 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
@@ -21,7 +21,9 @@
 import android.content.Context;
 import android.graphics.Rect;
 import android.util.AttributeSet;
+import android.util.LayoutDirection;
 import android.util.Log;
+import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
@@ -30,6 +32,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.taskbar.TaskbarActivityContext;
 import com.android.launcher3.views.ActivityContext;
+import com.android.wm.shell.common.bubbles.BubbleBarLocation;
 
 import java.util.List;
 import java.util.function.Consumer;
@@ -91,6 +94,7 @@
     private boolean mIsBarExpanded = false;
     // The currently selected bubble view.
     private BubbleView mSelectedBubbleView;
+    private BubbleBarLocation mBubbleBarLocation = BubbleBarLocation.DEFAULT;
     // The click listener when the bubble bar is collapsed.
     private View.OnClickListener mOnClickListener;
 
@@ -114,6 +118,8 @@
     @Nullable
     private BubbleView mDraggedBubbleView;
 
+    private int mPreviousLayoutDirection = LayoutDirection.UNDEFINED;
+
     public BubbleBarView(Context context) {
         this(context, null);
     }
@@ -199,17 +205,42 @@
 
     @Override
     public void onRtlPropertiesChanged(int layoutDirection) {
-        // TODO(b/313661121): set this based on bubble bar position and not LTR or RTL
-        boolean onLeft = layoutDirection == LAYOUT_DIRECTION_RTL;
+        if (mBubbleBarLocation == BubbleBarLocation.DEFAULT
+                && mPreviousLayoutDirection != layoutDirection) {
+            Log.d(TAG, "BubbleBar RTL properties changed, new layoutDirection=" + layoutDirection
+                    + " previous layoutDirection=" + mPreviousLayoutDirection);
+            mPreviousLayoutDirection = layoutDirection;
+            onBubbleBarLocationChanged();
+        }
+    }
+
+    private void onBubbleBarLocationChanged() {
+        final boolean onLeft = mBubbleBarLocation.isOnLeft(isLayoutRtl());
         mBubbleBarBackground.setAnchorLeft(onLeft);
         mRelativePivotX = onLeft ? 0f : 1f;
+        ViewGroup.LayoutParams layoutParams = getLayoutParams();
+        if (layoutParams instanceof LayoutParams lp) {
+            lp.gravity = Gravity.BOTTOM | (onLeft ? Gravity.LEFT : Gravity.RIGHT);
+            setLayoutParams(lp);
+        }
+        invalidate();
     }
 
     /**
-     * @return <code>true</code> when bar is pinned to the left edge of the screen
+     * @return current {@link BubbleBarLocation}
      */
-    public boolean isOnLeft() {
-        return getLayoutDirection() == LAYOUT_DIRECTION_RTL;
+    public BubbleBarLocation getBubbleBarLocation() {
+        return mBubbleBarLocation;
+    }
+
+    /**
+     * Update {@link BubbleBarLocation}
+     */
+    public void setBubbleBarLocation(BubbleBarLocation bubbleBarLocation) {
+        if (bubbleBarLocation != mBubbleBarLocation) {
+            mBubbleBarLocation = bubbleBarLocation;
+            onBubbleBarLocationChanged();
+        }
     }
 
     /**
@@ -290,7 +321,7 @@
         int bubbleCount = getChildCount();
         final float ty = (mBubbleBarBounds.height() - mIconSize) / 2f;
         final boolean animate = getVisibility() == VISIBLE;
-        final boolean onLeft = isOnLeft();
+        final boolean onLeft = mBubbleBarLocation.isOnLeft(isLayoutRtl());
         for (int i = 0; i < bubbleCount; i++) {
             BubbleView bv = (BubbleView) getChildAt(i);
             bv.setTranslationY(ty);
@@ -453,7 +484,7 @@
     private float arrowPositionForSelectedWhenExpanded() {
         final int index = indexOfChild(mSelectedBubbleView);
         final int bubblePosition;
-        if (isOnLeft()) {
+        if (mBubbleBarLocation.isOnLeft(isLayoutRtl())) {
             // Bubble positions are reversed. First bubble is on the right.
             bubblePosition = getChildCount() - index - 1;
         } else {
@@ -465,7 +496,7 @@
     private float arrowPositionForSelectedWhenCollapsed() {
         final int index = indexOfChild(mSelectedBubbleView);
         final int bubblePosition;
-        if (isOnLeft()) {
+        if (mBubbleBarLocation.isOnLeft(isLayoutRtl())) {
             // Bubble positions are reversed. First bubble may be shifted, if there are more
             // bubbles than the current bubble and overflow.
             bubblePosition = index == 0 && getChildCount() > 2 ? 1 : 0;
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
index 6bb7b04..36e208e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
@@ -37,6 +37,7 @@
 import com.android.launcher3.util.MultiPropertyFactory;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.quickstep.SystemUiProxy;
+import com.android.wm.shell.common.bubbles.BubbleBarLocation;
 
 import java.util.List;
 import java.util.Objects;
@@ -169,6 +170,20 @@
     }
 
     /**
+     * @return current {@link BubbleBarLocation}
+     */
+    public BubbleBarLocation getBubbleBarLocation() {
+        return mBarView.getBubbleBarLocation();
+    }
+
+    /**
+     * Update bar {@link BubbleBarLocation}
+     */
+    public void setBubbleBarLocation(BubbleBarLocation bubbleBarLocation) {
+        mBarView.setBubbleBarLocation(bubbleBarLocation);
+    }
+
+    /**
      * The bounds of the bubble bar.
      */
     public Rect getBubbleBarBounds() {
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashController.java
index 09021ed..e25e586 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashController.java
@@ -31,6 +31,7 @@
 import com.android.launcher3.taskbar.TaskbarInsetsController;
 import com.android.launcher3.taskbar.TaskbarStashController;
 import com.android.launcher3.util.MultiPropertyFactory;
+import com.android.wm.shell.common.bubbles.BubbleBarLocation;
 
 /**
  * Coordinates between controllers such as BubbleBarView and BubbleHandleViewController to
@@ -356,4 +357,9 @@
     public boolean isEventOverStashHandle(MotionEvent ev) {
         return mHandleViewController.isEventOverHandle(ev);
     }
+
+    /** Set a bubble bar location */
+    public void setBubbleBarLocation(BubbleBarLocation bubbleBarLocation) {
+        mHandleViewController.setBubbleBarLocation(bubbleBarLocation);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashedHandleViewController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashedHandleViewController.java
index f88460f..f64517a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashedHandleViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleStashedHandleViewController.java
@@ -16,7 +16,6 @@
 package com.android.launcher3.taskbar.bubbles;
 
 import static android.view.View.INVISIBLE;
-import static android.view.View.LAYOUT_DIRECTION_RTL;
 import static android.view.View.VISIBLE;
 
 import android.animation.Animator;
@@ -39,6 +38,7 @@
 import com.android.launcher3.util.MultiPropertyFactory;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.systemui.shared.navigationbar.RegionSamplingHelper;
+import com.android.wm.shell.common.bubbles.BubbleBarLocation;
 
 /**
  * Handles properties/data collection, then passes the results to our stashed handle View to render.
@@ -119,14 +119,14 @@
                 }, Executors.UI_HELPER_EXECUTOR);
 
         mStashedHandleView.addOnLayoutChangeListener((view, i, i1, i2, i3, i4, i5, i6, i7) ->
-                updateBounds());
+                updateBounds(mBarViewController.getBubbleBarLocation()));
     }
 
-    private void updateBounds() {
+    private void updateBounds(BubbleBarLocation bubbleBarLocation) {
         // As more bubbles get added, the icon bounds become larger. To ensure a consistent
         // handle bar position, we pin it to the edge of the screen.
         final int stashedCenterY = mStashedHandleView.getHeight() - mStashedTaskbarHeight / 2;
-        if (isOnLeft()) {
+        if (bubbleBarLocation.isOnLeft(mStashedHandleView.isLayoutRtl())) {
             final int left = mBarViewController.getHorizontalMargin();
             mStashedHandleBounds.set(
                     left,
@@ -149,11 +149,6 @@
         mStashedHandleView.setPivotY(mStashedHandleView.getHeight() - mStashedTaskbarHeight / 2f);
     }
 
-    private boolean isOnLeft() {
-        // TODO(b/313661121): set this based on bubble bar position and not LTR or RTL
-        return mStashedHandleView.getLayoutDirection() == LAYOUT_DIRECTION_RTL;
-    }
-
     public void onDestroy() {
         mRegionSamplingHelper.stopAndDestroy();
         mRegionSamplingHelper = null;
@@ -301,4 +296,9 @@
     public boolean containsX(int x) {
         return x >= mStashedHandleBounds.left && x <= mStashedHandleBounds.right;
     }
+
+    /** Set a bubble bar location */
+    public void setBubbleBarLocation(BubbleBarLocation bubbleBarLocation) {
+        updateBounds(bubbleBarLocation);
+    }
 }