Animation the script badges on views.

chrome/browser/ui/views/location_bar/page_action_image_view.h

 // Copyright (c) 2012 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_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_
 #pragma once
 
 #include <map>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/browser/ui/views/extensions/extension_popup.h"
+#include "chrome/common/extensions/extension_action.h"
 #include "ui/views/controls/image_view.h"
 
 class Browser;
-class ExtensionAction;
 class LocationBarView;
 
 namespace content {
 class WebContents;
 }
 namespace views {
 class MenuRunner;
 }
 
 // PageActionImageView is used by the LocationBarView to display the icon for a
 // given PageAction and notify the extension when the icon is clicked.
 class PageActionImageView : public views::ImageView,
                             public ImageLoadingTracker::Observer,
                             public views::Widget::Observer,
-                            public content::NotificationObserver {
+                            public content::NotificationObserver,
+                            public ExtensionAction::IconAnimation::Observer {
  public:
   PageActionImageView(LocationBarView* owner,
                       ExtensionAction* page_action,
                       Browser* browser);
   virtual ~PageActionImageView();
 
   ExtensionAction* page_action() { return page_action_; }
 
   int current_tab_id() { return current_tab_id_; }
 
@@ skipping 28 matching lines @@
 
   // Called to notify the PageAction that it should determine whether to be
   // visible or hidden. |contents| is the WebContents that is active, |url| is
   // the current page URL.
   void UpdateVisibility(content::WebContents* contents, const GURL& url);
 
   // Either notify listeners or show a popup depending on the page action.
   void ExecuteAction(int button);
 
  private:
+  // Overridden from ExtensionAction::IconAnimation::Observer.
+  virtual void OnIconChanged(
+      const ExtensionAction::IconAnimation& animation) OVERRIDE;
+
   // Shows the popup, with the given URL.
   void ShowPopupWithURL(const GURL& popup_url);
 
   // Hides the active popup, if there is one.
   void HidePopup();
 
   // The location bar view that owns us.
   LocationBarView* owner_;
 
   // The PageAction that this view represents. The PageAction is not owned by
@@ skipping 28 matching lines @@
   ExtensionPopup* popup_;
 
   content::NotificationRegistrar registrar_;
 
   // The extension keybinding accelerator this page action is listening for (to
   // show the popup).
   scoped_ptr<ui::Accelerator> keybinding_;
 
   scoped_ptr<views::MenuRunner> menu_runner_;
 
+  // Fade-in animation for the icon with observer scoped to this.
+  ExtensionAction::IconAnimation::ScopedObserver
+      scoped_icon_animation_observer_;
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(PageActionImageView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_