/**
* Copyright (C) 2014 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.securecomcode.text.util;
import android.content.Context;
/**
* Utility methods to help display dates in a nice, easily readable way.
*/
public class DateUtils extends android.text.format.DateUtils {
private final static long DAY_IN_MILLIS = 86400000L;
private final static long WEEK_IN_MILLIS = 7 * DAY_IN_MILLIS;
private final static long YEAR_IN_MILLIS = (long)(52.1775 * WEEK_IN_MILLIS);
private static boolean isWithinWeek(final long millis) {
return System.currentTimeMillis() - millis <= (WEEK_IN_MILLIS - DAY_IN_MILLIS);
}
private static boolean isWithinYear(final long millis) {
return System.currentTimeMillis() - millis <= YEAR_IN_MILLIS;
}
public static String getBetterRelativeTimeSpanString(final Context c, final long millis) {
int formatFlags = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_ABBREV_TIME;
if (!isToday(millis)) {
if (isWithinWeek(millis)) {
formatFlags |= DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_ABBREV_WEEKDAY;
} else if (isWithinYear(millis)) {
formatFlags |= DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
} else {
formatFlags |= DateUtils.FORMAT_NUMERIC_DATE;
}
}
return DateUtils.formatDateTime(c, millis, formatFlags);
}
}