DoNotTrackPreference.java

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.chrome.browser.preferences.privacy;

import android.os.Bundle;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceFragment;

import org.chromium.chrome.R;
import org.chromium.chrome.browser.preferences.ChromeSwitchPreference;
import org.chromium.chrome.browser.preferences.PrefServiceBridge;

/**
 * Fragment to manage 'Do Not Track' preference and to explain to the user what it does.
 */
public class DoNotTrackPreference extends PreferenceFragment {

    private static final String PREF_DO_NOT_TRACK_SWITCH = "do_not_track_switch";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.do_not_track_preferences);
        getActivity().setTitle(R.string.do_not_track_title);

        ChromeSwitchPreference doNotTrackSwitch =
                (ChromeSwitchPreference) findPreference(PREF_DO_NOT_TRACK_SWITCH);

        boolean isDoNotTrackEnabled = PrefServiceBridge.getInstance().isDoNotTrackEnabled();
        doNotTrackSwitch.setChecked(isDoNotTrackEnabled);

        doNotTrackSwitch.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
            @Override
            public boolean onPreferenceChange(Preference preference, Object newValue) {
                PrefServiceBridge.getInstance().setDoNotTrackEnabled((boolean) newValue);
                return true;
            }
        });
    }
}