1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5 * except in compliance with the License. You may obtain a copy of the License at
6 *
7 *      http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the
10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11 * KIND, either express or implied. See the License for the specific language governing
12 * permissions and limitations under the License.
13 */
14
15package com.android.settings.datausage;
16
17import android.content.Context;
18import android.support.v7.preference.Preference;
19import android.util.AttributeSet;
20import com.android.settings.R;
21
22public class DataSaverPreference extends Preference implements DataSaverBackend.Listener {
23
24    private final DataSaverBackend mDataSaverBackend;
25
26    public DataSaverPreference(Context context, AttributeSet attrs) {
27        super(context, attrs);
28        mDataSaverBackend = new DataSaverBackend(context);
29    }
30
31    @Override
32    public void onAttached() {
33        super.onAttached();
34        mDataSaverBackend.addListener(this);
35    }
36
37    @Override
38    public void onDetached() {
39        super.onDetached();
40        mDataSaverBackend.addListener(this);
41    }
42
43    @Override
44    public void onDataSaverChanged(boolean isDataSaving) {
45        setSummary(isDataSaving ? R.string.data_saver_on : R.string.data_saver_off);
46    }
47
48    @Override
49    public void onWhitelistStatusChanged(int uid, boolean isWhitelisted) {
50    }
51
52    @Override
53    public void onBlacklistStatusChanged(int uid, boolean isBlacklisted) {
54    }
55}
56