1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.settings.nfc;
17
18import android.content.Context;
19import android.support.v7.preference.DropDownPreference;
20
21import com.android.settings.R;
22
23public class NfcForegroundPreference extends DropDownPreference implements
24        PaymentBackend.Callback {
25
26    private final PaymentBackend mPaymentBackend;
27    public NfcForegroundPreference(Context context, PaymentBackend backend) {
28        super(context);
29        mPaymentBackend = backend;
30        mPaymentBackend.registerCallback(this);
31        refresh();
32    }
33
34    @Override
35    public void onPaymentAppsChanged() {
36        refresh();
37    }
38
39    void refresh() {
40        PaymentBackend.PaymentAppInfo defaultApp = mPaymentBackend.getDefaultApp();
41        boolean foregroundMode = mPaymentBackend.isForegroundMode();
42        setPersistent(false);
43        setTitle(getContext().getString(R.string.nfc_payment_use_default));
44        CharSequence favorOpen;
45        CharSequence favorDefault;
46        setEntries(new CharSequence[] {
47                getContext().getString(R.string.nfc_payment_favor_open),
48                getContext().getString(R.string.nfc_payment_favor_default)
49        });
50        setEntryValues(new CharSequence[] { "1", "0" });
51        if (foregroundMode) {
52            setValue("1");
53        } else {
54            setValue("0");
55        }
56    }
57
58    @Override
59    protected boolean persistString(String value) {
60        mPaymentBackend.setForegroundMode(Integer.parseInt(value) != 0);
61        return true;
62    }
63}
64