gecko/mobile/android/base/preferences/ClearOnShutdownPref.java

37 lines
1.4 KiB
Java

/* -*- 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 void 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);
}
@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);
}
}