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 
17 package com.android.deskclock.data;
18 
19 import android.content.Context;
20 import android.os.SystemClock;
21 import android.text.format.DateFormat;
22 
23 import 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  */
29 final class TimeModel {
30 
31     private final Context mContext;
32 
TimeModel(Context context)33     TimeModel(Context context) {
34         mContext = context;
35     }
36 
37     /**
38      * @return the current time in milliseconds
39      */
currentTimeMillis()40     long currentTimeMillis() {
41         return System.currentTimeMillis();
42     }
43 
44     /**
45      * @return milliseconds since boot, including time spent in sleep
46      */
elapsedRealtime()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      */
is24HourFormat()54     boolean is24HourFormat() {
55         return DateFormat.is24HourFormat(mContext);
56     }
57 
58     /**
59      * @return a new Calendar with the {@link #currentTimeMillis}
60      */
getCalendar()61     Calendar getCalendar() {
62         final Calendar calendar = Calendar.getInstance();
63         calendar.setTimeInMillis(currentTimeMillis());
64         return calendar;
65     }
66 }