Avoid race condition in heads up snooze code path.

The user can still snooze the heads up as its in the process of timing
out.  In this case, mHeadsUp is already null.  We save the package
name so that we can still snooze the package.

Bug: 18639224
Change-Id: I9bcce99a5c912e70a6856b277b61adab9cdcbc33

1 files changed, 6 insertions, 2 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java
index 8933d00..2e3e67a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/HeadsUpNotificationView.java
@@ -73,6 +73,7 @@ public class HeadsUpNotificationView extends FrameLayout implements SwipeHelper.
 
     private NotificationData.Entry mHeadsUp;
     private int mUser;
+    private String mMostRecentPackageName;
 
     public HeadsUpNotificationView(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
@@ -117,6 +118,7 @@ public class HeadsUpNotificationView extends FrameLayout implements SwipeHelper.
         }
 
         if (mHeadsUp != null) {
+            mMostRecentPackageName = mHeadsUp.notification.getPackageName();
             mHeadsUp.row.setSystemExpanded(true);
             mHeadsUp.row.setSensitive(false);
             mHeadsUp.row.setHeadsUp(true);
@@ -198,8 +200,10 @@ public class HeadsUpNotificationView extends FrameLayout implements SwipeHelper.
     }
 
     private void snooze() {
-        mSnoozedPackages.put(snoozeKey(mHeadsUp.notification.getPackageName(), mUser),
-                SystemClock.elapsedRealtime() + mSnoozeLengthMs);
+        if (mMostRecentPackageName != null) {
+            mSnoozedPackages.put(snoozeKey(mMostRecentPackageName, mUser),
+                    SystemClock.elapsedRealtime() + mSnoozeLengthMs);
+        }
         releaseAndClose();
     }