TimeFrameUtils.java

  1/*
  2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
  3 *
  4 * Redistribution and use in source and binary forms, with or without modification,
  5 * are permitted provided that the following conditions are met:
  6 *
  7 * 1. Redistributions of source code must retain the above copyright notice, this
  8 * list of conditions and the following disclaimer.
  9 *
 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
 11 * this list of conditions and the following disclaimer in the documentation and/or
 12 * other materials provided with the distribution.
 13 *
 14 * 3. Neither the name of the copyright holder nor the names of its contributors
 15 * may be used to endorse or promote products derived from this software without
 16 * specific prior written permission.
 17 *
 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 28 */
 29
 30package eu.siacs.conversations.utils;
 31
 32import android.content.Context;
 33import android.os.SystemClock;
 34
 35import androidx.annotation.PluralsRes;
 36
 37import java.util.Locale;
 38
 39import eu.siacs.conversations.R;
 40
 41public class TimeFrameUtils {
 42
 43    private static final TimeFrame[] TIME_FRAMES;
 44
 45    static {
 46        TIME_FRAMES = new TimeFrame[]{
 47                new TimeFrame(1000L, R.plurals.seconds),
 48                new TimeFrame(60L * 1000, R.plurals.minutes),
 49                new TimeFrame(60L * 60 * 1000, R.plurals.hours),
 50                new TimeFrame(24L * 60 * 60 * 1000, R.plurals.days),
 51                new TimeFrame(7L * 24 * 60 * 60 * 1000, R.plurals.weeks),
 52                new TimeFrame(30L * 24 * 60 * 60 * 1000, R.plurals.months),
 53        };
 54    }
 55
 56    public static String resolve(Context context, long timeFrame) {
 57        for (int i = TIME_FRAMES.length - 1; i >= 0; --i) {
 58            long duration = TIME_FRAMES[i].duration;
 59            long threshold = i > 0 ? (TIME_FRAMES[i - 1].duration / 2) : 0;
 60            if (timeFrame >= duration - threshold) {
 61                int count = (int) (timeFrame / duration + ((timeFrame % duration) > (duration / 2) ? 1 : 0));
 62                return context.getResources().getQuantityString(TIME_FRAMES[i].name, count, count);
 63            }
 64        }
 65        return context.getResources().getQuantityString(TIME_FRAMES[0].name, 0, 0);
 66    }
 67
 68    public static String formatTimePassed(final long since, final boolean withMilliseconds) {
 69        return formatTimePassed(since, SystemClock.elapsedRealtime(), withMilliseconds);
 70    }
 71
 72    public static String formatTimePassed(final long since, final long to, final boolean withMilliseconds) {
 73        final long passed = (since < 0) ? 0 : (to - since);
 74        return formatElapsedTime(passed, withMilliseconds);
 75    }
 76
 77    public static String formatElapsedTime(final long elapsed, final boolean withMilliseconds) {
 78        final int hours = (int) (elapsed / 3600000);
 79        final int minutes = (int) (elapsed / 60000) % 60;
 80        final int seconds = (int) (elapsed / 1000) % 60;
 81        final int milliseconds = (int) (elapsed / 100) % 10;
 82        if (hours > 0) {
 83            return String.format(Locale.ENGLISH, "%d:%02d:%02d", hours, minutes, seconds);
 84        } else if (withMilliseconds) {
 85            return String.format(Locale.ENGLISH, "%d:%02d.%d", minutes, seconds, milliseconds);
 86        } else {
 87            return String.format(Locale.ENGLISH, "%d:%02d", minutes, seconds);
 88        }
 89    }
 90
 91
 92    private static class TimeFrame {
 93        final long duration;
 94        public final int name;
 95
 96        private TimeFrame(long duration, @PluralsRes int name) {
 97            this.duration = duration;
 98            this.name = name;
 99        }
100    }
101
102}