1/*
2 * Copyright (C) 2016 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 */
16
17package com.android.deskclock.data;
18
19import android.content.Context;
20import android.os.SystemClock;
21import android.text.format.DateFormat;
22
23import java.util.Calendar;
24
25/**
26 * All time data is accessed via this model. This model exists so that time can be mocked for
27 * testing purposes.
28 */
29final class TimeModel {
30
31    private final Context mContext;
32
33    TimeModel(Context context) {
34        mContext = context;
35    }
36
37    /**
38     * @return the current time in milliseconds
39     */
40    long currentTimeMillis() {
41        return System.currentTimeMillis();
42    }
43
44    /**
45     * @return milliseconds since boot, including time spent in sleep
46     */
47    long elapsedRealtime() {
48        return SystemClock.elapsedRealtime();
49    }
50
51    /**
52     * @return {@code true} if 24 hour time format is selected; {@code false} otherwise
53     */
54    boolean is24HourFormat() {
55        return DateFormat.is24HourFormat(mContext);
56    }
57
58    /**
59     * @return a new Calendar with the {@link #currentTimeMillis}
60     */
61    Calendar getCalendar() {
62        final Calendar calendar = Calendar.getInstance();
63        calendar.setTimeInMillis(currentTimeMillis());
64        return calendar;
65    }
66}