Add wipe on login failure to Privacy Settings page

This CL adds information to the Enterprise Privacy Setting page that
tells the user how many times the password can be mistyped before
the device (or the work profile) is forcefully wiped.

Test: make RunSettingsRoboTests
Bug: 32692748

Change-Id: I4ae316802dbf5853ab4eacb0787647372d5e26c2

src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImpl.java

@@ -16,6 +16,7 @@
 
 package com.android.settings.enterprise;
 
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -70,12 +71,12 @@ public class EnterprisePrivacyFeatureProviderImpl implements EnterprisePrivacyFe
                 return userInfo.id;
             }
         }
-        return -1;
+        return UserHandle.USER_NULL;
     }
 
     @Override
     public boolean isInCompMode() {
-        return hasDeviceOwner() && getManagedProfileUserId() != -1;
+        return hasDeviceOwner() && getManagedProfileUserId() != UserHandle.USER_NULL;
     }
 
     @Override
@@ -124,7 +125,7 @@ public class EnterprisePrivacyFeatureProviderImpl implements EnterprisePrivacyFe
     @Override
     public boolean isAlwaysOnVpnSetInManagedProfile() {
         final int managedProfileUserId = getManagedProfileUserId();
-        return managedProfileUserId != -1 &&
+        return managedProfileUserId != UserHandle.USER_NULL &&
                 VpnUtils.isAlwaysOnVpnSet(mCm, managedProfileUserId);
     }
 
@@ -133,6 +134,28 @@ public class EnterprisePrivacyFeatureProviderImpl implements EnterprisePrivacyFe
         return mCm.getGlobalProxy() != null;
     }
 
+    @Override
+    public int getMaximumFailedPasswordsBeforeWipeInPrimaryUser() {
+        final ComponentName deviceOwner = mDpm.getDeviceOwnerComponentOnAnyUser();
+        if (deviceOwner == null) {
+            return 0;
+        }
+        return mDpm.getMaximumFailedPasswordsForWipe(deviceOwner, mDpm.getDeviceOwnerUserId());
+    }
+
+    @Override
+    public int getMaximumFailedPasswordsBeforeWipeInManagedProfile() {
+        final int userId = getManagedProfileUserId();
+        if (userId == UserHandle.USER_NULL) {
+            return 0;
+        }
+        final ComponentName profileOwner = mDpm.getProfileOwnerAsUser(userId);
+        if (profileOwner == null) {
+            return 0;
+        }
+        return mDpm.getMaximumFailedPasswordsForWipe(profileOwner, userId);
+    }
+
     protected static class EnterprisePrivacySpan extends ClickableSpan {
         private final Context mContext;