1 files changed, 37 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/preferences/ClearOnShutdownPref.java b/mobile/android/base/java/org/mozilla/gecko/preferences/ClearOnShutdownPref.java
new file mode 100644
index 000000000..5218cd06d
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/preferences/ClearOnShutdownPref.java
@@ -0,0 +1,37 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.preferences;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.mozilla.gecko.GeckoSharedPrefs;
+import org.mozilla.gecko.util.PrefUtils;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.Preference;
+
+public class ClearOnShutdownPref implements GeckoPreferences.PrefHandler {
+    public static final String PREF = GeckoPreferences.NON_PREF_PREFIX + "history.clear_on_exit";
+
+    @Override
+    public boolean setupPref(Context context, Preference pref) {
+        // The pref is initialized asynchronously. Read the pref explicitly
+        // here to make sure we have the data.
+        final SharedPreferences prefs = GeckoSharedPrefs.forProfile(context);
+        final Set<String> clearItems = PrefUtils.getStringSet(prefs, PREF, new HashSet<String>());
+        ((ListCheckboxPreference) pref).setChecked(clearItems.size() > 0);
+        return true;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public void onChange(Context context, Preference pref, Object newValue) {
+        final Set<String> vals = (Set<String>) newValue;
+        ((ListCheckboxPreference) pref).setChecked(vals.size() > 0);
+    }
+}