1 files changed, 58 insertions, 0 deletions
diff --git a/src/com/android/settings/development/TrustLostLocksScreenPreferenceController.java b/src/com/android/settings/development/TrustLostLocksScreenPreferenceController.java
new file mode 100644
index 0000000000..3800fd6b88
--- /dev/null
+++ b/src/com/android/settings/development/TrustLostLocksScreenPreferenceController.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+public class TrustLostLocksScreenPreferenceController
+        extends DeveloperOptionsPreferenceController implements
+                Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
+
+    private static final String KEY_TRUST_LOST_LOCKS_SCREEN =
+        "security_setting_trust_lost_locks_screen";
+
+    public TrustLostLocksScreenPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_TRUST_LOST_LOCKS_SCREEN;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final boolean isEnabled = (Boolean) newValue;
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.LOCK_SCREEN_WHEN_TRUST_LOST, isEnabled ? 1 : 0);
+        return true;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        int lockOnTrustLost = Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.LOCK_SCREEN_WHEN_TRUST_LOST, 0);
+        ((SwitchPreference) mPreference).setChecked(lockOnTrustLost != 0);
+    }
+}