Quick View: Show year recorded metadata.

ui/file_manager/file_manager/foreground/js/metadata/content_metadata_provider.js

 // Copyright 2015 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.
 
 /**
  * @param {!MessagePort=} opt_messagePort Message port overriding the default
  *     worker port.
  * @extends {MetadataProvider}
  * @constructor
  * @struct
@@ skipping 47 matching lines @@
   'ifd',
   'imageHeight',
   'imageWidth',
   'mediaAlbum',
   'mediaArtist',
   'mediaDuration',
   'mediaGenre',
   'mediaMimeType',
   'mediaTitle',
   'mediaTrack',
+  'mediaYearRecorded',
 ];
 
 /**
  * Path of a worker script.
  * @public {string}
  */
 ContentMetadataProvider.WORKER_SCRIPT =
     'chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/' +
     'foreground/js/metadata/metadata_dispatcher.js';
 
@@ skipping 77 matching lines @@
  *    the entry.
  * @private
  */
 ContentMetadataProvider.prototype.getFromMediaGalleries_ =
     function(entry, names) {
   var self = this;
   return new Promise(function(resolve, reject) {
     entry.file(function(blob) {
       var metadataType = 'mimeTypeOnly';
       if (names.indexOf('mediaArtist') !== -1 ||
-          names.indexOf('mediaTitle') !== -1) {
+          names.indexOf('mediaTitle') !== -1 ||
+          names.indexOf('mediaTrack') !== -1 ||
+          names.indexOf('mediaYearRecorded') !== -1) {
         metadataType = 'mimeTypeAndTags';
       }
       if (names.indexOf('contentThumbnailUrl') !== -1) {
         metadataType = 'all';
       }
       chrome.mediaGalleries.getMetadata(blob, {metadataType: metadataType},
           function(metadata) {
             if (chrome.runtime.lastError) {
               resolve(self.createError_(entry.toURL(),
                   'resolving metadata',
@@ skipping 131 matching lines @@
     if (metadata.rotation) {
       item.contentImageTransform = item.contentThumbnailTransform = trans;
     }
     item.imageHeight = metadata['height'];
     item.imageWidth = metadata['width'];
     item.mediaAlbum = metadata['album'];
     item.mediaArtist = metadata['artist'];
     item.mediaDuration = metadata['duration'];
     item.mediaGenre = metadata['genre'];
     item.mediaTitle = metadata['title'];
-    item.mediaTrack = metadata['track'];
+    if (metadata['track']) {
+      item.mediaTrack = '' + metadata['track'];
+    }
+    if (metadata.rawTags) {
+      metadata.rawTags.forEach(function(entry) {
+        if (entry.type === 'mp3') {
+          if (entry.tags['date']) {
+            item.mediaYearRecorded = entry.tags['date'];
+          }
+          // It is possible that metadata['track'] is undefined but this is
+          // defined.
+          if (entry.tags['track']) {
+            item.mediaTrack = entry.tags['track'];
+          }
+        }
+      });
+    }
     if (metadata.attachedImages && metadata.attachedImages.length > 0) {
       var reader = new FileReader();
       reader.onload = function(e) {
         item.contentThumbnailUrl = e.target.result;
         resolve(item);
       };
       reader.onerror = function(e) {
         resolve(this.createError_(entry.toURL(), 'Reading a thumbnail image',
             reader.error.toString()));
       }.bind(this);
@@ skipping 43 matching lines @@
    */
   this.step = step;
 
   /**
    * @public {string}
    */
   this.errorDescription = errorDescription;
 };
 
 ContentMetadataProvider.Error.prototype.__proto__ = Error.prototype;