Files.app: Hide fake entries for the save dialog.

Fake entries are readonly and it is not useful for the save dialog.

BUG=396179
TEST=manually

Review URL: https://codereview.chromium.org/410843002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284874 0039d316-1c4b-4281-b951-d872f2087c98

ui/file_manager/file_manager/foreground/js/directory_tree.js

@@ -412,12 +412,13 @@ function DirectoryTree() {}
  * @param {DirectoryModel} directoryModel Current DirectoryModel.
  * @param {VolumeManagerWrapper} volumeManager VolumeManager of the system.
  * @param {MetadataCache} metadataCache Shared MetadataCache instance.
+ * @param {boolean} fakeEntriesVisible True if it should show the fakeEntries.
  */
 DirectoryTree.decorate = function(
-    el, directoryModel, volumeManager, metadataCache) {
+    el, directoryModel, volumeManager, metadataCache, fakeEntriesVisible) {
   el.__proto__ = DirectoryTree.prototype;
   (/** @type {DirectoryTree} */ el).decorate(
-      directoryModel, volumeManager, metadataCache);
+      directoryModel, volumeManager, metadataCache, fakeEntriesVisible);
 };
 
 DirectoryTree.prototype = {
@@ -494,9 +495,10 @@ DirectoryTree.prototype.searchAndSelectByEntry = function(entry) {
  * @param {DirectoryModel} directoryModel Current DirectoryModel.
  * @param {VolumeManagerWrapper} volumeManager VolumeManager of the system.
  * @param {MetadataCache} metadataCache Shared MetadataCache instance.
+ * @param {boolean} fakeEntriesVisible True if it should show the fakeEntries.
  */
 DirectoryTree.prototype.decorate = function(
-    directoryModel, volumeManager, metadataCache) {
+    directoryModel, volumeManager, metadataCache, fakeEntriesVisible) {
   cr.ui.Tree.prototype.decorate.call(this);
 
   this.sequence_ = 0;
@@ -526,6 +528,13 @@ DirectoryTree.prototype.decorate = function(
 
   this.scrollBar_ = MainPanelScrollBar();
   this.scrollBar_.initialize(this.parentNode, this);
+
+  /**
+   * Flag to show fake entries in the tree.
+   * @type {boolean}
+   * @private
+   */
+  this.fakeEntriesVisible_ = fakeEntriesVisible;
 };
 
 /**
@@ -573,8 +582,10 @@ DirectoryTree.prototype.updateSubDirectories = function(
   };
 
   // Add fakes (if any).
-  for (var key in this.currentVolumeInfo_.fakeEntries) {
-    this.entries_.push(this.currentVolumeInfo_.fakeEntries[key]);
+  if (this.fakeEntriesVisible_) {
+    for (var key in this.currentVolumeInfo_.fakeEntries) {
+      this.entries_.push(this.currentVolumeInfo_.fakeEntries[key]);
+    }
   }
 
   // If the display root is not available yet, then redraw anyway with what

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

@@ -104,6 +104,7 @@ FileManager.prototype = {
  * FULL_PAGE which is specific to this code.
  *
  * @enum {string}
+ * @const
  */
 var DialogType = {
   SELECT_FOLDER: 'folder',
@@ -155,6 +156,8 @@ DialogType.isFolderDialog = function(type) {
          type == DialogType.SELECT_UPLOAD_FOLDER;
 };
 
+Object.freeze(DialogType);
+
 /**
  * Bottom margin of the list and tree for transparent preview panel.
  * @const
@@ -1078,11 +1081,14 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
    * @private
    */
   FileManager.prototype.initNavigationList_ = function() {
+    var fakeEntriesVisible =
+        this.dialogType != DialogType.SELECT_SAVEAS_FILE;
     this.directoryTree_ = this.dialogDom_.querySelector('#directory-tree');
     DirectoryTree.decorate(this.directoryTree_,
                            this.directoryModel_,
                            this.volumeManager_,
-                           this.metadataCache_);
+                           this.metadataCache_,
+                           fakeEntriesVisible);
 
     this.navigationList_ = this.dialogDom_.querySelector('#navigation-list');
     NavigationList.decorate(this.navigationList_,