Place the spinner in the right corner of the controls window.

chrome/browser/chromeos/login/helper.h

 // Copyright (c) 2010 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.
 //
 // This file contains helper functions used by Chromium OS login.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_
 #pragma once
 
+#include "third_party/skia/include/core/SkColor.h"
 #include "views/controls/button/native_button.h"
-#include "third_party/skia/include/core/SkColor.h"
+#include "views/widget/widget_gtk.h"
 
 class GURL;
 
 namespace gfx {
 class Rect;
 class Size;
 }  // namespace gfx
 
 namespace views {
 class Label;
 class MenuButton;
 class Painter;
 class Textfield;
 class Throbber;
+class Widget;
 }  // namespace views
 
 namespace chromeos {
 
+// This class manages showing the throbber in the separate popup widget.
+class ThrobberManager {
+ public:
+  ThrobberManager();
+  virtual ~ThrobberManager();
+
+  // Creates throbber above the given host in the right side with the given
+  // margin. Also places throbber in the middle of the vertical host size. It
+  // takes the ownership of the |throbber|. At most one throbber is shown at
+  // each moment, so calling this method will close the previously created
+  // throbber.
+  void CreateAndStart(views::Widget* host,
+                      views::Throbber* throbber,
+                      int right_margin);
+
+  // Creates throbber above the given host using the relative bounds given. It
+  // takes the ownership of the |throbber|. At most one throbber is shown at
+  // each moment, so calling this method will close the previously created
+  // throbber.
+  void CreateAndStart(views::Widget* host,
+                      views::Throbber* throbber,
+                      const gfx::Rect& relative_bounds);
+
+  // Stops and closes the throbber (if any).
+  void StopAndClose();
+
+ private:
+  // Holds the widget that shows the throbber.
+  views::Widget* throbber_widget_;
+
+  DISALLOW_COPY_AND_ASSIGN(ThrobberManager);
+};
+
 // Creates default smoothed throbber for time consuming operations on login.
 views::Throbber* CreateDefaultSmoothedThrobber();
 
 // Creates default throbber.
 views::Throbber* CreateDefaultThrobber();
 
 // Creates painter for login background.
 views::Painter* CreateBackgroundPainter();
 
 // Returns bounds of the screen to use for login wizard.
@@ skipping 33 matching lines @@
 
 // Background color of the login controls.
 const SkColor kBackgroundColor = SK_ColorWHITE;
 
 // Text color on the login controls.
 const SkColor kTextColor = SK_ColorWHITE;
 
 // Default link color on login/OOBE controls.
 const SkColor kLinkColor = 0xFF0066CC;
 
+const int kThrobberRightMargin = 10;
+
 // Default size of the OOBE screen. Includes 10px shadow from each side.
 // See rounded_rect_painter.cc for border definitions.
 const int kWizardScreenWidth = 800;
 const int kWizardScreenHeight = 450;
 
 const int kScreenCornerRadius = 10;
 const int kUserCornerRadius = 6;
 
 // Username label height in different states.
 const int kSelectedLabelHeight = 25;
@@ skipping 29 matching lines @@
 
 // New pod sizes.
 const int kNewUserPodFullWidth = 372;
 const int kNewUserPodFullHeight = 372;
 const int kNewUserPodSmallWidth = 360;
 const int kNewUserPodSmallHeight = 322;
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_