GTK: Custom drawing for GAIA avatar pictures

chrome/browser/ui/gtk/avatar_menu_button_gtk.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 CHROME_BROWSER_UI_GTK_AVATAR_MENU_BUTTON_GTK_H_
 #define CHROME_BROWSER_UI_GTK_AVATAR_MENU_BUTTON_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/gtk/owned_widget_gtk.h"
 
 class Browser;
 class SkBitmap;
 
+namespace gfx {
+class Image;
+}
+
 // A button used to show the profile avatar. When clicked, it opens the
 // AvatarMenuBubbleGtk.
 class AvatarMenuButtonGtk {
  public:
   explicit AvatarMenuButtonGtk(Browser* browser);
 
   ~AvatarMenuButtonGtk();
 
   // Returns the button widget.
   GtkWidget* widget() const { return widget_.get(); }
 
   // Sets the location the arrow should be displayed on the menu bubble.
   void set_menu_arrow_location(BubbleGtk::ArrowLocationGtk arrow_location) {
     arrow_location_ = arrow_location;
   }
 
   // Sets the image to display on the button, typically the profile icon.
-  void SetIcon(const SkBitmap &icon);
+  void SetIcon(const gfx::Image& icon, bool is_gaia_picture);
 
   // Show the avatar bubble.
   void ShowAvatarBubble();
 
  private:
   CHROMEGTK_CALLBACK_1(AvatarMenuButtonGtk, gboolean, OnButtonPressed,
                        GdkEventButton*);
+  CHROMEGTK_CALLBACK_1(AvatarMenuButtonGtk, void, OnSizeAllocate,
+                       GtkAllocation*);
+
+  void UpdateButtonIcon();
 
   // The button widget.
   ui::OwnedWidgetGtk widget_;
 
   // A weak pointer to the image widget displayed on the button.
   GtkWidget* image_;
 
   // A weak pointer to a browser. Used to create the bubble menu.
   Browser* browser_;
 
   // Which side of the bubble to display the arrow.
   BubbleGtk::ArrowLocationGtk arrow_location_;
 
+  scoped_ptr<gfx::Image> icon_;
+  bool is_gaia_picture_;
+  int old_height_;
+
   DISALLOW_COPY_AND_ASSIGN(AvatarMenuButtonGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_AVATAR_MENU_BUTTON_GTK_H_