Files app: Loading detailed information for single file.

ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js

Index: ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js
diff --git a/ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js b/ui/file_manager/file_manager/foreground/js/ui/file_metadata_formatter.js
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index 0000000000000000000000000000000000000000..61703d0defad00420b0de234b195124a6da1d90f
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * Formatter class for file metadatas.
+ * @constructor
+ */
+function FileMetadataFormatter() {
+  this.setDateTimeFormat(true);
+}
+
+/**
+ * Sets date and time format.
+ * @param {boolean} use12hourClock True if 12 hours clock, False if 24 hours.
+ */
+FileMetadataFormatter.prototype.setDateTimeFormat = function(use12hourClock) {
+  this.timeFormatter_ = new Intl.DateTimeFormat(
+      [] /* default locale */,
+      {hour: 'numeric', minute: 'numeric', hour12: use12hourClock});
+  this.dateFormatter_ = new Intl.DateTimeFormat(
+      [] /* default locale */,
+      {
+        year: 'numeric', month: 'short', day: 'numeric',
+        hour: 'numeric', minute: 'numeric', hour12: use12hourClock
+      });
+};
+
+/**
+ * Generates a formatted modification time text.
+ * @param {Date} modTime
+ * @return {string} A string that represents modification time.
+ */
+FileMetadataFormatter.prototype.formatModDate = function (modTime) {
+  if (!modTime) {
+    return '...';
+  }
+  var today = new Date();
+  today.setHours(0);
+  today.setMinutes(0);
+  today.setSeconds(0);
+  today.setMilliseconds(0);
+
+  /**
+   * Number of milliseconds in a day.
+   */
+  var MILLISECONDS_IN_DAY = 24 * 60 * 60 * 1000;
+
+  if (isNaN(modTime.getTime())) {
+    // In case of 'Invalid Date'.
+    return '--';
+  } else if (modTime >= today &&
+      modTime < today.getTime() + MILLISECONDS_IN_DAY) {
+    return strf('TIME_TODAY', this.timeFormatter_.format(modTime));
+  } else if (modTime >= today - MILLISECONDS_IN_DAY && modTime < today) {
+    return strf('TIME_YESTERDAY', this.timeFormatter_.format(modTime));
+  } else {
+    return this.dateFormatter_.format(modTime);
+  }
+};
+
+/**
+ * Generates a formatted filesize text.
+ * @param {number=} size
+ * @param {boolean=} hosted
+ * @return {string} A string that represents a file size.
+ */
+FileMetadataFormatter.prototype.formatSize = function (size, hosted) {
+  if (size === null || size === undefined) {
+    return '...';
+  } else if (size === -1) {
+    return '--';
+  } else if (size === 0 && hosted) {
+    return '--';
+  } else {
+    return util.bytesToString(size);
+  }
+};