From 74f7789f8b39fe3ec5b871ba7a04edb78cfc63e3 Mon Sep 17 00:00:00 2001
From: Jeremy Sim <jeremysim@google.com>
Date: Thu, 21 Jul 2022 16:03:15 -0700
Subject: [PATCH] Add comment regarding Overview TaskViews

Just adds a comment explaining the elevation of Overview TaskViews. No code changes.

Bug: 208650434
Test: None needed.
Change-Id: I19c434f8473237a4a0f6fe36deecc9c80e7b8a49
---
 quickstep/src/com/android/quickstep/views/RecentsView.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index dc886f6151..b276478809 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -3107,7 +3107,9 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
             anim.addOnFrameCallback(this::updateCurveProperties);
         }
 
-        // Add a tiny bit of translation Z, so that it draws on top of other views
+        // Add a tiny bit of translation Z, so that it draws on top of other views. This is relevant
+        // (e.g.) when we dismiss a task by sliding it upward: if there is a row of icons above, we
+        // want the dragged task to stay above all other views.
         if (animateTaskView) {
             dismissedTaskView.setTranslationZ(0.1f);
         }