Show the spinner during initialization.

Sometimes initialization takes time. In such case we should show the spinner to give some feedback to the user, that something is going on. This patch enables the spinner as soon as the spinner dom is available.

TEST=Run Files.app, verify that the spinner appears early.
BUG=251050
R=hirono@chromium.org

Review URL: https://codereview.chromium.org/17568012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@208182 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 5 deletions

diff --git a/chrome/browser/resources/file_manager/js/file_manager.js b/chrome/browser/resources/file_manager/js/file_manager.js
index 41a039f..b013c8f 100644
--- a/chrome/browser/resources/file_manager/js/file_manager.js
+++ b/chrome/browser/resources/file_manager/js/file_manager.js
@@ -896,7 +896,7 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
     this.table_ = dom.querySelector('.detail-table');
     this.grid_ = dom.querySelector('.thumbnail-grid');
     this.spinner_ = dom.querySelector('#spinner-with-text');
-    this.showSpinner_(false);
+    this.showSpinner_(true);
 
     this.searchBreadcrumbs_ = new BreadcrumbsController(
          dom.querySelector('#search-breadcrumbs'), this.metadataCache_);
@@ -2614,15 +2614,18 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
       clearTimeout(this.scanCompletedTimer_);
       this.scanCompletedTimer_ = null;
     }
+
     if (this.scanUpdatedTimer_) {
       clearTimeout(this.scanUpdatedTimer_);
       this.scanUpdatedTimer_ = null;
     }
 
-    this.cancelSpinnerTimeout_();
-    this.showSpinner_(false);
-    this.showSpinnerTimeout_ =
-        setTimeout(this.showSpinner_.bind(this, true), 500);
+    if (!this.spinner_.hidden) {
+      this.cancelSpinnerTimeout_();
+      this.showSpinner_(false);
+      this.showSpinnerTimeout_ =
+          setTimeout(this.showSpinner_.bind(this, true), 500);
+    }
   };
 
   /**