1 /*
2  * Copyright (C) 2014 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 package com.android.contacts.interactions;
17 
18 import android.content.Context;
19 import android.text.format.DateUtils;
20 
21 import com.android.contacts.R;
22 
23 import com.google.common.base.Preconditions;
24 
25 import java.text.DateFormat;
26 import java.util.Calendar;
27 
28 /**
29  * Utility methods for interactions and their loaders
30  */
31 public class ContactInteractionUtil {
32 
33     /**
34      * @return a string like (?,?,?...) with {@param count} question marks.
35      */
questionMarks(int count)36     public static String questionMarks(int count) {
37         Preconditions.checkArgument(count > 0);
38         StringBuilder sb = new StringBuilder("(?");
39         for (int i = 1; i < count; i++) {
40             sb.append(",?");
41         }
42         return sb.append(")").toString();
43     }
44 
45     /**
46      * Same as {@link formatDateStringFromTimestamp(long, Context, Calendar)} but uses the current
47      * time.
48      */
formatDateStringFromTimestamp(long timestamp, Context context)49     public static String formatDateStringFromTimestamp(long timestamp, Context context) {
50         return formatDateStringFromTimestamp(timestamp, context, Calendar.getInstance());
51     }
52 
53     /**
54      * Takes in a timestamp and outputs a human legible date. This checks the timestamp against
55      * compareCalendar.
56      * This formats the date based on a few conditions:
57      * 1. If the timestamp is today, the time is shown
58      * 2. Otherwise show full date and time
59      */
formatDateStringFromTimestamp(long timestamp, Context context, Calendar compareCalendar)60     public static String formatDateStringFromTimestamp(long timestamp, Context context,
61             Calendar compareCalendar) {
62         Calendar interactionCalendar = Calendar.getInstance();
63         interactionCalendar.setTimeInMillis(timestamp);
64 
65         // compareCalendar is initialized to today
66         if (compareCalendarDayYear(interactionCalendar, compareCalendar)) {
67             return DateFormat.getTimeInstance(DateFormat.SHORT).format(
68                     interactionCalendar.getTime());
69         }
70 
71         return DateUtils.formatDateTime(context, timestamp, DateUtils.FORMAT_SHOW_TIME
72                 | DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_WEEKDAY
73                 | DateUtils.FORMAT_SHOW_YEAR);
74     }
75 
76     /**
77      * Compares the day and year of two calendars.
78      */
compareCalendarDayYear(Calendar c1, Calendar c2)79     private static boolean compareCalendarDayYear(Calendar c1, Calendar c2) {
80         return c1.get(Calendar.YEAR) == c2.get(Calendar.YEAR) &&
81                 c1.get(Calendar.DAY_OF_YEAR) == c2.get(Calendar.DAY_OF_YEAR);
82     }
83 
84     /**
85      * Takes duration of the call in seconds.
86      * Return the formatted duration in hr, min, sec order if they exist.
87      */
formatDuration(long callDuration, Context context)88     public static String formatDuration(long callDuration, Context context) {
89         final int hours = (int) callDuration / 3600;
90         final int minutes = (int) (callDuration % 3600) / 60;
91         final int seconds = (int) (callDuration % 60);
92 
93         if (hours > 0) {
94             return context.getString(R.string.callDurationHourFormat, hours, minutes, seconds);
95         } else if (minutes > 0) {
96             return context.getString(R.string.callDurationMinuteFormat, minutes, seconds);
97         } else {
98             return context.getString(R.string.callDurationSecondFormat, seconds);
99         }
100     }
101 }
102