120 lines
4.7 KiB
JavaScript
120 lines
4.7 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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(function () {
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'use strict';
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window.Whisper = window.Whisper || {};
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Whisper.TimestampView = Whisper.View.extend({
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initialize: function() {
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extension.windows.onClosed(this.clearTimeout.bind(this));
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},
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update: function() {
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this.clearTimeout();
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var millis_now = Date.now();
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var millis = this.$el.data('timestamp');
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if (millis === "") {
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return;
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}
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if (millis >= millis_now) {
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millis = millis_now;
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}
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// defined in subclass!
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var result = this.getRelativeTimeSpanString(millis);
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this.$el.text(result);
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var millis_since = millis_now - millis;
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var delay = this.computeDelay(millis_since);
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if (delay) {
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if (delay < 0) { delay = 1000; }
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this.timeout = setTimeout(this.update.bind(this), delay);
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}
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},
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clearTimeout: function() {
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clearTimeout(this.timeout);
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},
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computeDelay: function(millis_since) {
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var delay;
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if (millis_since <= moment.relativeTimeThreshold('s') * 1000) {
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// a few seconds ago
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delay = 45 * 1000 - millis_since;
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} else if (millis_since <= moment.relativeTimeThreshold('m') * 1000 * 60) {
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// N minutes ago
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delay = 60 * 1000;
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} else if (millis_since <= moment.relativeTimeThreshold('h') * 1000 * 60 * 60) {
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// N hours ago
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delay = 60 * 60 * 1000;
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} else { // more than a week ago
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// Day of week + time
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delay = 7 * 24 * 60 * 60 * 1000 - millis_since;
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if (delay < -(60 * 1000)) {
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// more than one week and one minute ago
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// don't do any further updates as the displayed timestamp
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// won't change any more
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return;
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}
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}
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return delay;
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}
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});
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Whisper.BriefTimestampView = Whisper.TimestampView.extend({
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getRelativeTimeSpanString: function(timestamp_) {
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// Convert to moment timestamp if it isn't already
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var timestamp = moment(timestamp_),
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timediff = moment.duration(moment() - timestamp);
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// Do some wrapping to match conversation view, display >= 30 minutes (seconds)
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// as a full hour (minute) if the number of hours (minutes) isn't zero
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if (timediff.hours >= 1 && timediff.minutes() >= 30) {
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timediff.add(1, 'hours');
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} else if (timediff.minutes() >= 1 && timediff.seconds() >= 30) {
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timediff.add(1, 'minutes');
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}
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if (timediff.years() > 0) {
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return timestamp.format('MMM D, YYYY');
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} else if (timediff.months() > 0 || timediff.days() > 6) {
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return timestamp.format('MMM D');
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} else if (timediff.days() > 0) {
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return timestamp.format('ddd');
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} else if (timediff.hours() > 1) {
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return timediff.hours() + ' hours';
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} else if (timediff.hours() === 1 || timediff.minutes() >= 45) {
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// to match conversation view, display >= 45 minutes as 1 hour
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return '1 hour';
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} else if (timediff.minutes() > 1) {
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return timediff.minutes() + ' min';
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} else if (timediff.minutes() === 1 || timediff.seconds() >= 45) {
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// same as hours/minutes, 0:00:45 -> 1 min
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return '1 min';
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} else {
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return 'now';
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}
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},
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});
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Whisper.ExtendedTimestampView = Whisper.TimestampView.extend({
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getRelativeTimeSpanString: function(timestamp_) {
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var timestamp = moment(timestamp_),
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now = moment(),
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lastWeek = moment().subtract(7, 'days'),
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lastYear = moment().subtract(1, 'years');
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if (timestamp > now.startOf('day')) {
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// t units ago
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return timestamp.fromNow();
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} else if (timestamp > lastWeek) {
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// Fri 1:30 PM or Fri 13:30
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return timestamp.format('ddd ') + timestamp.format('LT');
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} else if (timestamp > lastYear) {
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// Oct 31 1:30 PM or Oct 31
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return timestamp.format('MMM D ') + timestamp.format('LT');
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} else {
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// Oct 31, 2012 1:30 PM
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return timestamp.format('MMM D, YYYY ') + timestamp.format('LT');
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}
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},
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});
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})();
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