Merge "Fix divider visibility issue on transient taskbar" into tm-qpr-dev
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 8409475..a2adbd7 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -323,6 +323,7 @@
     private final boolean mIsTransientTaskbar;
     // May be set to false when mIsTransientTaskbar is true.
     private boolean mCanSlowSwipeGoHome = true;
+    private boolean mHasReachedOverviewThreshold = false;
 
     @Nullable
     private RemoteAnimationTargets.ReleaseCheck mSwipePipToHomeReleaseCheck = null;
@@ -765,6 +766,10 @@
 
     private void setIsLikelyToStartNewTask(boolean isLikelyToStartNewTask, boolean animate) {
         if (mIsLikelyToStartNewTask != isLikelyToStartNewTask) {
+            if (isLikelyToStartNewTask && mIsTransientTaskbar) {
+                setDividerShown(false /* shown */, true /* immediate */);
+            }
+
             mIsLikelyToStartNewTask = isLikelyToStartNewTask;
             maybeUpdateRecentsAttachedState(animate);
         }
@@ -1669,7 +1674,9 @@
         mRecentsAnimationController.enableInputConsumer();
 
         // Start hiding the divider
-        setDividerShown(false /* shown */, true /* immediate */);
+        if (!mIsTransientTaskbar || mTaskbarAlreadyOpen || mIsTaskbarAllAppsOpen) {
+            setDividerShown(false /* shown */, true /* immediate */);
+        }
     }
 
     private void computeRecentsScrollIfInvisible() {
@@ -2305,6 +2312,10 @@
 
         // "Catch up" with the displacement at mTaskbarCatchUpThreshold.
         if (displacement < mTaskbarCatchUpThreshold) {
+            if (!mHasReachedOverviewThreshold) {
+                setDividerShown(false /* shown */, true /* immediate */);
+                mHasReachedOverviewThreshold = true;
+            }
             return Utilities.mapToRange(displacement, mTaskbarAppWindowThreshold,
                     mTaskbarCatchUpThreshold, 0, mTaskbarCatchUpThreshold, ACCEL_DEACCEL);
         }