UIHelper.java

  1package eu.siacs.conversations.utils;
  2
  3import java.util.Calendar;
  4import java.util.Date;
  5import java.util.regex.Pattern;
  6
  7import eu.siacs.conversations.R;
  8import android.content.Context;
  9import android.text.format.DateFormat;
 10import android.text.format.DateUtils;
 11
 12public class UIHelper {
 13	private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
 14			| DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
 15	private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
 16			| DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
 17
 18	public static String readableTimeDifference(Context context, long time) {
 19		return readableTimeDifference(context, time, false);
 20	}
 21
 22	public static String readableTimeDifferenceFull(Context context, long time) {
 23		return readableTimeDifference(context, time, true);
 24	}
 25
 26	private static String readableTimeDifference(Context context, long time,
 27			boolean fullDate) {
 28		if (time == 0) {
 29			return context.getString(R.string.just_now);
 30		}
 31		Date date = new Date(time);
 32		long difference = (System.currentTimeMillis() - time) / 1000;
 33		if (difference < 60) {
 34			return context.getString(R.string.just_now);
 35		} else if (difference < 60 * 2) {
 36			return context.getString(R.string.minute_ago);
 37		} else if (difference < 60 * 15) {
 38			return context.getString(R.string.minutes_ago,
 39					Math.round(difference / 60.0));
 40		} else if (today(date)) {
 41			java.text.DateFormat df = DateFormat.getTimeFormat(context);
 42			return df.format(date);
 43		} else {
 44			if (fullDate) {
 45				return DateUtils.formatDateTime(context, date.getTime(),
 46						FULL_DATE_FLAGS);
 47			} else {
 48				return DateUtils.formatDateTime(context, date.getTime(),
 49						SHORT_DATE_FLAGS);
 50			}
 51		}
 52	}
 53
 54	private static boolean today(Date date) {
 55		Calendar cal1 = Calendar.getInstance();
 56		Calendar cal2 = Calendar.getInstance();
 57		cal1.setTime(date);
 58		cal2.setTimeInMillis(System.currentTimeMillis());
 59		return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
 60				&& cal1.get(Calendar.DAY_OF_YEAR) == cal2
 61						.get(Calendar.DAY_OF_YEAR);
 62	}
 63
 64	public static String lastseen(Context context, long time) {
 65		if (time == 0) {
 66			return context.getString(R.string.never_seen);
 67		}
 68		long difference = (System.currentTimeMillis() - time) / 1000;
 69		if (difference < 60) {
 70			return context.getString(R.string.last_seen_now);
 71		} else if (difference < 60 * 2) {
 72			return context.getString(R.string.last_seen_min);
 73		} else if (difference < 60 * 60) {
 74			return context.getString(R.string.last_seen_mins,
 75					Math.round(difference / 60.0));
 76		} else if (difference < 60 * 60 * 2) {
 77			return context.getString(R.string.last_seen_hour);
 78		} else if (difference < 60 * 60 * 24) {
 79			return context.getString(R.string.last_seen_hours,
 80					Math.round(difference / (60.0 * 60.0)));
 81		} else if (difference < 60 * 60 * 48) {
 82			return context.getString(R.string.last_seen_day);
 83		} else {
 84			return context.getString(R.string.last_seen_days,
 85					Math.round(difference / (60.0 * 60.0 * 24.0)));
 86		}
 87	}
 88
 89	private final static class EmoticonPattern {
 90		Pattern pattern;
 91		String replacement;
 92
 93		EmoticonPattern(String ascii, int unicode) {
 94			this.pattern = Pattern.compile("(?<=(^|\\s))" + ascii
 95					+ "(?=(\\s|$))");
 96			this.replacement = new String(new int[] { unicode, }, 0, 1);
 97		}
 98
 99		String replaceAll(String body) {
100			return pattern.matcher(body).replaceAll(replacement);
101		}
102	}
103
104	private static final EmoticonPattern[] patterns = new EmoticonPattern[] {
105			new EmoticonPattern(":-?D", 0x1f600),
106			new EmoticonPattern("\\^\\^", 0x1f601),
107			new EmoticonPattern(":'D", 0x1f602),
108			new EmoticonPattern("\\]-?D", 0x1f608),
109			new EmoticonPattern(";-?\\)", 0x1f609),
110			new EmoticonPattern(":-?\\)", 0x1f60a),
111			new EmoticonPattern("[B8]-?\\)", 0x1f60e),
112			new EmoticonPattern(":-?\\|", 0x1f610),
113			new EmoticonPattern(":-?[/\\\\]", 0x1f615),
114			new EmoticonPattern(":-?\\*", 0x1f617),
115			new EmoticonPattern(":-?[Ppb]", 0x1f61b),
116			new EmoticonPattern(":-?\\(", 0x1f61e),
117			new EmoticonPattern(":-?[0Oo]", 0x1f62e),
118			new EmoticonPattern("\\\\o/", 0x1F631), };
119
120	public static String transformAsciiEmoticons(String body) {
121		if (body != null) {
122			for (EmoticonPattern p : patterns) {
123				body = p.replaceAll(body);
124			}
125			body = body.trim();
126		}
127		return body;
128	}
129
130	public static int getColorForName(String name) {
131		if (name.isEmpty()) {
132			return 0xFF202020;
133		}
134		int colors[] = {0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
135				0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
136				0xFF795548, 0xFF607d8b};
137		return colors[(int) ((name.hashCode() & 0xffffffffl) % colors.length)];
138	}
139}