From 878ba0a266246f29e8145612a2a58e5e997b018c Mon Sep 17 00:00:00 2001
From: Paul Lawrence <paullawrence@google.com>
Date: Wed, 20 Aug 2014 13:08:01 -0700
Subject: [PATCH] Save PatternVisible setting to crypto header

Bug: 17059314
Change-Id: Ic64c64567f70ea11030cabfd33b57f77fb23dac7
---
 .../internal/widget/LockPatternUtils.java     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/core/java/com/android/internal/widget/LockPatternUtils.java b/core/java/com/android/internal/widget/LockPatternUtils.java
index ece3e9d5e503b..74b1fddf9defd 100644
--- a/core/java/com/android/internal/widget/LockPatternUtils.java
+++ b/core/java/com/android/internal/widget/LockPatternUtils.java
@@ -1093,6 +1093,25 @@ public class LockPatternUtils {
      */
     public void setVisiblePatternEnabled(boolean enabled) {
         setBoolean(Settings.Secure.LOCK_PATTERN_VISIBLE, enabled);
+
+        // Update for crypto if owner
+        int userId = getCurrentOrCallingUserId();
+        if (userId != UserHandle.USER_OWNER) {
+            return;
+        }
+
+        IBinder service = ServiceManager.getService("mount");
+        if (service == null) {
+            Log.e(TAG, "Could not find the mount service to update the user info");
+            return;
+        }
+
+        IMountService mountService = IMountService.Stub.asInterface(service);
+        try {
+            mountService.setField("PatternVisible", enabled ? "1" : "0");
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error changing pattern visible state", e);
+        }
     }
 
     /**