diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl b/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl
index abefeba9c4174..a71fb5611bd9c 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl
@@ -46,8 +46,9 @@ oneway interface IOverviewProxy {
 
     /**
      * Sent when device assistant changes its default assistant whether it is available or not.
+     * @param longPressHomeEnabled if 3-button nav assistant can be invoked or not
      */
-    void onAssistantAvailable(boolean available) = 13;
+    void onAssistantAvailable(boolean available, boolean longPressHomeEnabled) = 13;
 
     /**
      * Sent when the assistant changes how visible it is to the user.
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/NavBarHelper.java b/packages/SystemUI/src/com/android/systemui/navigationbar/NavBarHelper.java
index 2c0745bf0f0df..a92203ca74faa 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/NavBarHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/NavBarHelper.java
@@ -185,7 +185,7 @@ public final class NavBarHelper implements
     public void registerNavTaskStateUpdater(NavbarTaskbarStateUpdater listener) {
         mA11yEventListeners.add(listener);
         listener.updateAccessibilityServicesState();
-        listener.updateAssistantAvailable(mAssistantAvailable);
+        listener.updateAssistantAvailable(mAssistantAvailable, mLongPressHomeEnabled);
     }
 
     public void removeNavTaskStateUpdater(NavbarTaskbarStateUpdater listener) {
@@ -198,9 +198,10 @@ public final class NavBarHelper implements
         }
     }
 
-    private void dispatchAssistantEventUpdate(boolean assistantAvailable) {
+    private void dispatchAssistantEventUpdate(boolean assistantAvailable,
+            boolean longPressHomeEnabled) {
         for (NavbarTaskbarStateUpdater listener : mA11yEventListeners) {
-            listener.updateAssistantAvailable(assistantAvailable);
+            listener.updateAssistantAvailable(assistantAvailable, longPressHomeEnabled);
         }
     }
 
@@ -311,7 +312,7 @@ public final class NavBarHelper implements
         mAssistantAvailable = assistantAvailableForUser
                 && mAssistantTouchGestureEnabled
                 && QuickStepContract.isGesturalMode(mNavBarMode);
-        dispatchAssistantEventUpdate(mAssistantAvailable);
+        dispatchAssistantEventUpdate(mAssistantAvailable, mLongPressHomeEnabled);
     }
 
     public boolean getLongPressHomeEnabled() {
@@ -366,7 +367,7 @@ public final class NavBarHelper implements
      */
     public interface NavbarTaskbarStateUpdater {
         void updateAccessibilityServicesState();
-        void updateAssistantAvailable(boolean available);
+        void updateAssistantAvailable(boolean available, boolean longPressHomeEnabled);
     }
 
     /** Data class to help Taskbar/Navbar initiate state correctly when switching between the two.*/
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java b/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java
index bdb67adae007f..5b306c98912df 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java
@@ -335,15 +335,16 @@ public class NavigationBar extends ViewController<NavigationBarView> implements
                 }
 
                 @Override
-                public void updateAssistantAvailable(boolean available) {
+                public void updateAssistantAvailable(boolean available,
+                        boolean longPressHomeEnabled) {
                     // TODO(b/198002034): Content observers currently can still be called back after
                     //  being unregistered, and in this case we can ignore the change if the nav bar
                     //  has been destroyed already
                     if (mView == null) {
                         return;
                     }
-                    mLongPressHomeEnabled = mNavBarHelper.getLongPressHomeEnabled();
-                    updateAssistantEntrypoints(available);
+                    mLongPressHomeEnabled = longPressHomeEnabled;
+                    updateAssistantEntrypoints(available, longPressHomeEnabled);
                 }
             };
 
@@ -1485,10 +1486,12 @@ public class NavigationBar extends ViewController<NavigationBarView> implements
                 .commitUpdate(mDisplayId);
     }
 
-    private void updateAssistantEntrypoints(boolean assistantAvailable) {
+    private void updateAssistantEntrypoints(boolean assistantAvailable,
+            boolean longPressHomeEnabled) {
         if (mOverviewProxyService.getProxy() != null) {
             try {
-                mOverviewProxyService.getProxy().onAssistantAvailable(assistantAvailable);
+                mOverviewProxyService.getProxy().onAssistantAvailable(assistantAvailable,
+                        longPressHomeEnabled);
             } catch (RemoteException e) {
                 Log.w(TAG, "Unable to send assistant availability data to launcher");
             }
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java b/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
index 3dec5138de956..5e26e6050eaaa 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
@@ -112,8 +112,9 @@ public class TaskbarDelegate implements CommandQueue.Callbacks,
                 }
 
                 @Override
-                public void updateAssistantAvailable(boolean available) {
-                    updateAssistantAvailability(available);
+                public void updateAssistantAvailable(boolean available,
+                        boolean longPressHomeEnabled) {
+                    updateAssistantAvailability(available, longPressHomeEnabled);
                 }
             };
     private int mDisabledFlags;
@@ -309,13 +310,15 @@ public class TaskbarDelegate implements CommandQueue.Callbacks,
         return (mSysUiState.getFlags() & View.STATUS_BAR_DISABLE_RECENT) == 0;
     }
 
-    private void updateAssistantAvailability(boolean assistantAvailable) {
+    private void updateAssistantAvailability(boolean assistantAvailable,
+            boolean longPressHomeEnabled) {
         if (mOverviewProxyService.getProxy() == null) {
             return;
         }
 
         try {
-            mOverviewProxyService.getProxy().onAssistantAvailable(assistantAvailable);
+            mOverviewProxyService.getProxy().onAssistantAvailable(assistantAvailable,
+                    longPressHomeEnabled);
         } catch (RemoteException e) {
             Log.e(TAG, "onAssistantAvailable() failed, available: " + assistantAvailable, e);
         }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/navigationbar/NavBarHelperTest.java b/packages/SystemUI/tests/src/com/android/systemui/navigationbar/NavBarHelperTest.java
index 1865ef64c5d51..ce6a98c9e1626 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/navigationbar/NavBarHelperTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/navigationbar/NavBarHelperTest.java
@@ -146,7 +146,7 @@ public class NavBarHelperTest extends SysuiTestCase {
         verify(mNavbarTaskbarStateUpdater, times(1))
                 .updateAccessibilityServicesState();
         verify(mNavbarTaskbarStateUpdater, times(1))
-                .updateAssistantAvailable(anyBoolean());
+                .updateAssistantAvailable(anyBoolean(), anyBoolean());
     }
 
     @Test
@@ -160,14 +160,14 @@ public class NavBarHelperTest extends SysuiTestCase {
         verify(mNavbarTaskbarStateUpdater, times(1))
                 .updateAccessibilityServicesState();
         verify(mNavbarTaskbarStateUpdater, times(1))
-                .updateAssistantAvailable(anyBoolean());
+                .updateAssistantAvailable(anyBoolean(), anyBoolean());
 
         mNavBarHelper.onConnectionChanged(true);
         // assert no more callbacks fired
         verify(mNavbarTaskbarStateUpdater, times(1))
                 .updateAccessibilityServicesState();
         verify(mNavbarTaskbarStateUpdater, times(2))
-                .updateAssistantAvailable(anyBoolean());
+                .updateAssistantAvailable(anyBoolean(), anyBoolean());
     }
 
     @Test
@@ -180,7 +180,7 @@ public class NavBarHelperTest extends SysuiTestCase {
         verify(mNavbarTaskbarStateUpdater, times(2))
                 .updateAccessibilityServicesState();
         verify(mNavbarTaskbarStateUpdater, times(1))
-                .updateAssistantAvailable(anyBoolean());
+                .updateAssistantAvailable(anyBoolean(), anyBoolean());
     }
 
     @Test
@@ -193,7 +193,7 @@ public class NavBarHelperTest extends SysuiTestCase {
         verify(mNavbarTaskbarStateUpdater, times(1))
                 .updateAccessibilityServicesState();
         verify(mNavbarTaskbarStateUpdater, times(2))
-                .updateAssistantAvailable(anyBoolean());
+                .updateAssistantAvailable(anyBoolean(), anyBoolean());
     }
 
     @Test
@@ -212,7 +212,7 @@ public class NavBarHelperTest extends SysuiTestCase {
         verify(mNavbarTaskbarStateUpdater, times(1))
                 .updateAccessibilityServicesState();
         verify(mNavbarTaskbarStateUpdater, times(1))
-                .updateAssistantAvailable(anyBoolean());
+                .updateAssistantAvailable(anyBoolean(), anyBoolean());
     }
 
     @Test