Implemented nicer battery status

views/controls/menu/submenu_view.h

 // Copyright (c) 2011 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.
 
 #ifndef VIEWS_CONTROLS_MENU_SUBMENU_VIEW_H_
 #define VIEWS_CONTROLS_MENU_SUBMENU_VIEW_H_
 #pragma once
 
 #include <string>
 
@@ skipping 118 matching lines @@
   // Max width of accelerators in child menu items. This doesn't include
   // children's children, only direct children.
   int max_accelerator_width() const { return max_accelerator_width_; }
 
   // Minimum width of menu in pixels (default 0).  This becomes the smallest
   // width returned by GetPreferredSize().
   void set_minimum_preferred_width(int minimum_preferred_width) {
     minimum_preferred_width_ = minimum_preferred_width;
   }
 
+  // Automatically resize menu if a subview's preferred size changes.
+  bool resize_open_menu() const { return resize_open_menu_; }
+  void set_resize_open_menu(bool resize_open_menu) {
+    resize_open_menu_ = resize_open_menu;
+  }
+
   // Padding around the edges of the submenu.
   static const int kSubmenuBorderSize;
 
  protected:
   // View override.
   virtual std::string GetClassName() const OVERRIDE;
 
   // View method. Overridden to schedule a paint. We do this so that when
   // scrolling occurs, everything is repainted correctly.
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
 
+  virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
 
  private:
   // Paints the drop indicator. This is only invoked if item is non-NULL and
   // position is not DROP_NONE.
   void PaintDropIndicator(gfx::Canvas* canvas,
                           MenuItemView* item,
                           MenuDelegate::DropPosition position);
 
   void SchedulePaintForDropIndicator(MenuItemView* item,
                                      MenuDelegate::DropPosition position);
@@ skipping 18 matching lines @@
 
   // Ancestor of the SubmenuView, lazily created.
   MenuScrollViewContainer* scroll_view_container_;
 
   // See description above getter.
   int max_accelerator_width_;
 
   // Minimum width returned in GetPreferredSize().
   int minimum_preferred_width_;
 
+  // Reposition open menu when contained views change size.
+  bool resize_open_menu_;
+
   DISALLOW_COPY_AND_ASSIGN(SubmenuView);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_MENU_SUBMENU_VIEW_H_