1package eu.siacs.conversations.utils;
2
3import java.util.Calendar;
4import java.util.Date;
5
6import eu.siacs.conversations.R;
7import android.content.Context;
8import android.text.format.DateFormat;
9import android.text.format.DateUtils;
10
11public class UIHelper {
12 private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
13 | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
14 private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
15 | DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
16
17 public static String readableTimeDifference(Context context, long time) {
18 return readableTimeDifference(context, time, false);
19 }
20
21 public static String readableTimeDifferenceFull(Context context, long time) {
22 return readableTimeDifference(context, time, true);
23 }
24
25 private static String readableTimeDifference(Context context, long time,
26 boolean fullDate) {
27 if (time == 0) {
28 return context.getString(R.string.just_now);
29 }
30 Date date = new Date(time);
31 long difference = (System.currentTimeMillis() - time) / 1000;
32 if (difference < 60) {
33 return context.getString(R.string.just_now);
34 } else if (difference < 60 * 2) {
35 return context.getString(R.string.minute_ago);
36 } else if (difference < 60 * 15) {
37 return context.getString(R.string.minutes_ago,
38 Math.round(difference / 60.0));
39 } else if (today(date)) {
40 java.text.DateFormat df = DateFormat.getTimeFormat(context);
41 return df.format(date);
42 } else {
43 if (fullDate) {
44 return DateUtils.formatDateTime(context, date.getTime(),
45 FULL_DATE_FLAGS);
46 } else {
47 return DateUtils.formatDateTime(context, date.getTime(),
48 SHORT_DATE_FLAGS);
49 }
50 }
51 }
52
53 private static boolean today(Date date) {
54 return sameDay(date,new Date(System.currentTimeMillis()));
55 }
56
57 public static boolean sameDay(long timestamp1, long timestamp2) {
58 return sameDay(new Date(timestamp1),new Date(timestamp2));
59 }
60
61 private static boolean sameDay(Date a, Date b) {
62 Calendar cal1 = Calendar.getInstance();
63 Calendar cal2 = Calendar.getInstance();
64 cal1.setTime(a);
65 cal2.setTime(b);
66 return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
67 && cal1.get(Calendar.DAY_OF_YEAR) == cal2
68 .get(Calendar.DAY_OF_YEAR);
69 }
70
71 public static String lastseen(Context context, long time) {
72 if (time == 0) {
73 return context.getString(R.string.never_seen);
74 }
75 long difference = (System.currentTimeMillis() - time) / 1000;
76 if (difference < 60) {
77 return context.getString(R.string.last_seen_now);
78 } else if (difference < 60 * 2) {
79 return context.getString(R.string.last_seen_min);
80 } else if (difference < 60 * 60) {
81 return context.getString(R.string.last_seen_mins,
82 Math.round(difference / 60.0));
83 } else if (difference < 60 * 60 * 2) {
84 return context.getString(R.string.last_seen_hour);
85 } else if (difference < 60 * 60 * 24) {
86 return context.getString(R.string.last_seen_hours,
87 Math.round(difference / (60.0 * 60.0)));
88 } else if (difference < 60 * 60 * 48) {
89 return context.getString(R.string.last_seen_day);
90 } else {
91 return context.getString(R.string.last_seen_days,
92 Math.round(difference / (60.0 * 60.0 * 24.0)));
93 }
94 }
95
96 public static int getColorForName(String name) {
97 if (name.isEmpty()) {
98 return 0xFF202020;
99 }
100 int colors[] = {0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
101 0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
102 0xFF795548, 0xFF607d8b};
103 return colors[(int) ((name.hashCode() & 0xffffffffl) % colors.length)];
104 }
105}