Fix LnT icon not being removed from dream status bar.

Under certain situations the look-and-talk status icon can be stuck "on"
in a dream's status bar even when look-and-talk isn't currently active.
This change fixes that issue.

Test: manually
Bug: 297889198
Change-Id: I9e701ab566046bc9f3448a3bdd04ec4b92ab7012

1 files changed, 12 insertions, 2 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
index 165bb6c6f68c..f26404cad02b 100644
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
+++ b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
@@ -154,12 +154,12 @@ public class AssistManager {
             new IVisualQueryDetectionAttentionListener.Stub() {
         @Override
         public void onAttentionGained() {
-            mVisualQueryAttentionListeners.forEach(VisualQueryAttentionListener::onAttentionGained);
+            handleVisualAttentionChanged(true);
         }
 
         @Override
         public void onAttentionLost() {
-            mVisualQueryAttentionListeners.forEach(VisualQueryAttentionListener::onAttentionLost);
+            handleVisualAttentionChanged(false);
         }
     };
 
@@ -433,11 +433,21 @@ public class AssistManager {
 
                     @Override
                     public void onStopPerceiving() {
+                        // Treat this as a signal that attention has been lost (and inform listeners
+                        // accordingly).
+                        handleVisualAttentionChanged(false);
                         mAssistUtils.disableVisualQueryDetection();
                     }
                 });
     }
 
+    private void handleVisualAttentionChanged(boolean attentionGained) {
+        mVisualQueryAttentionListeners.forEach(
+                attentionGained
+                        ? VisualQueryAttentionListener::onAttentionGained
+                        : VisualQueryAttentionListener::onAttentionLost);
+    }
+
     public void launchVoiceAssistFromKeyguard() {
         mAssistUtils.launchVoiceAssistFromKeyguard();
     }