Badge icons in windows task bar with avatar icon.

chrome/browser/ui/views/frame/browser_non_client_frame_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_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_H_
 
 #include "chrome/browser/ui/views/profiles/new_avatar_button.h"
 #include "ui/views/window/non_client_view.h"
 
 #if defined(ENABLE_MANAGED_USERS)
 class SupervisedUserAvatarLabel;
 #endif
 class AvatarMenuButton;
 class BrowserFrame;
 class BrowserView;
 class NewAvatarButton;
 
 // A specialization of the NonClientFrameView object that provides additional
 // Browser-specific methods.
-class BrowserNonClientFrameView : public views::NonClientFrameView {
+class BrowserNonClientFrameView : public views::NonClientFrameView,
+                                  public ProfileInfoCacheObserver {
  public:
   BrowserNonClientFrameView(BrowserFrame* frame, BrowserView* browser_view);
   virtual ~BrowserNonClientFrameView();
 
   AvatarMenuButton* avatar_button() const { return avatar_button_; }
 
   NewAvatarButton* new_avatar_button() const { return new_avatar_button_; }
 
 #if defined(ENABLE_MANAGED_USERS)
   SupervisedUserAvatarLabel* supervised_user_avatar_label() const {
@@ skipping 30 matching lines @@
   // Updates the title and icon of the avatar button.
   void UpdateAvatarInfo();
 
   // Updates the title of the avatar button displayed in the caption area.
   // The button uses |style| to match the browser window style and notifies
   // |listener| when it is clicked.
   void UpdateNewStyleAvatarInfo(views::ButtonListener* listener,
                                 const NewAvatarButton::AvatarButtonStyle style);
 
  private:
+  // Draws a taskbar icon if avatar are enabled, erases it otherwise.  If
+  // |taskbar_badge_avatar| is NULL, then |avatar| is used.
+  void DrawTaskbarDecoration(const gfx::Image& avatar,
+                             const gfx::Image& taskbar_badge_avatar);
+
+  // Overriden from ProfileInfoCacheObserver.
+  void OnProfileAvatarChanged(const base::FilePath& profile_path) override;
+
   // The frame that hosts this view.
   BrowserFrame* frame_;
 
   // The BrowserView hosted within this View.
   BrowserView* browser_view_;
 
   // Menu button that displays that either the incognito icon or the profile
   // icon.  May be NULL for some frame styles.
   AvatarMenuButton* avatar_button_;
 
 #if defined(ENABLE_MANAGED_USERS)
   SupervisedUserAvatarLabel* supervised_user_avatar_label_;
 #endif
 
   // Menu button that displays the name of the active or guest profile.
   // May be NULL and will not be displayed for off the record profiles.
   NewAvatarButton* new_avatar_button_;
 };
 
 namespace chrome {
 
 // Provided by a browser_non_client_frame_view_factory_*.cc implementation
 BrowserNonClientFrameView* CreateBrowserNonClientFrameView(
     BrowserFrame* frame, BrowserView* browser_view);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_H_