From 0e6ea2f549bca92450690a19cda450804b56c073 Mon Sep 17 00:00:00 2001
From: "Chris.CC Lee" <chriscclee@google.com>
Date: Tue, 26 Nov 2019 18:57:30 +0800
Subject: [PATCH] There should be an UNKNOWN state to handle more conditions

Driver could report error while calculating alignment conditions.

Test: make
Bug: b/144822861
Bug: b/144905377
Change-Id: Ic184b8f30c9e40c14e6edf92cc63b5b2a82be68d
Merged-In: Ic184b8f30c9e40c14e6edf92cc63b5b2a82be68d
---
 .../SystemUI/src/com/android/systemui/dock/DockManager.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/dock/DockManager.java b/packages/SystemUI/src/com/android/systemui/dock/DockManager.java
index 42e065a113e60..4ee2ed3e34c0c 100644
--- a/packages/SystemUI/src/com/android/systemui/dock/DockManager.java
+++ b/packages/SystemUI/src/com/android/systemui/dock/DockManager.java
@@ -34,6 +34,12 @@ public interface DockManager {
      */
     int STATE_DOCKED_HIDE = 2;
 
+    /**
+     * Indicates there's no alignment info. This could happen when the device is unable to decide
+     * its alignment condition.
+     */
+    int ALIGN_STATE_UNKNOWN = -1;
+
     /**
      * Indicates there's no alignment issue.
      */