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 */
16package com.android.contacts.interactions;
17
18import android.content.Context;
19import android.text.format.DateUtils;
20
21import com.android.contacts.R;
22
23import com.google.common.base.Preconditions;
24
25import java.text.DateFormat;
26import java.util.Calendar;
27
28/**
29 * Utility methods for interactions and their loaders
30 */
31public class ContactInteractionUtil {
32
33    /**
34     * @return a string like (?,?,?...) with {@param count} question marks.
35     */
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     */
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     */
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     */
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     */
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