alternate ntp (cros/partial-win): add tab-related stuff and toolbar/tab background change

chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.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_ASH_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_ASH_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_
 #pragma once
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "chrome/browser/ui/search/toolbar_search_animator_observer.h"
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 #include "chrome/browser/ui/views/tab_icon_view.h"
 #include "ui/views/controls/button/button.h"  // ButtonListener
 
 namespace ash {
 class FramePainter;
 }
 namespace views {
 class ImageButton;
 }
 
-class BrowserNonClientFrameViewAsh : public BrowserNonClientFrameView,
-                                     public views::ButtonListener,
-                                     public TabIconView::TabIconViewModel {
+class BrowserNonClientFrameViewAsh
+    : public BrowserNonClientFrameView,
+      public views::ButtonListener,
+      public TabIconView::TabIconViewModel,
+      public chrome::search::ToolbarSearchAnimatorObserver {
  public:
   static const char kViewClassName[];
 
   BrowserNonClientFrameViewAsh(BrowserFrame* frame, BrowserView* browser_view);
   virtual ~BrowserNonClientFrameViewAsh();
 
   void Init();
 
   // BrowserNonClientFrameView overrides:
   virtual gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const OVERRIDE;
@@ skipping 20 matching lines @@
   virtual gfx::Size GetMinimumSize() OVERRIDE;
 
   // views::ButtonListener overrides:
   virtual void ButtonPressed(views::Button* sender,
                              const views::Event& event) OVERRIDE;
 
   // Overridden from TabIconView::TabIconViewModel:
   virtual bool ShouldTabIconViewAnimate() const OVERRIDE;
   virtual gfx::ImageSkia GetFaviconForTabIconView() OVERRIDE;
 
+  // Overridden from chrome::search::ToolbarSearchAnimatorObserver:
+  virtual void BackgroundChanging() OVERRIDE;
+  virtual void BackgroundChanged() OVERRIDE;
+  virtual void BackgroundChangeCanceled(TabContents* tab_contents) OVERRIDE;
+
  private:
   FRIEND_TEST_ALL_PREFIXES(BrowserNonClientFrameViewAshTest, UseShortHeader);
 
   // Distance between top of window and client area.
   int NonClientTopBorderHeight(bool force_restored) const;
 
   // Returns true if we should use a short header, such as for popup windows.
   bool UseShortHeader() const;
 
   // Layout the incognito icon.
   void LayoutAvatar();
 
   void PaintTitleBar(gfx::Canvas* canvas);
-  void PaintToolbarBackground(gfx::Canvas* canvas);
+  void PaintToolbarBackground(gfx::Canvas* canvas,
+                              chrome::search::Mode::Type mode);
 
   // Windows without a toolbar need to draw their own line under the header,
   // above the content area.
   void PaintContentEdge(gfx::Canvas* canvas);
 
   // Returns the correct image id for the frame header based on activation
   // state and incognito mode.
   int GetThemeFrameImageId() const;
   const gfx::ImageSkia* GetThemeFrameOverlayImage() const;
 
   // Window controls. The |size_button_| either toggles maximized or toggles
   // minimized. The exact behavior is determined by |size_button_minimizes_|.
   views::ImageButton* size_button_;
   views::ImageButton* close_button_;
 
   // For popups, the window icon.
   TabIconView* window_icon_;
 
   // Painter for the frame header.
   scoped_ptr<ash::FramePainter> frame_painter_;
 
   // If true the |size_button_| minimizes, otherwise it toggles between
   // maximized and restored.
   bool size_button_minimizes_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserNonClientFrameViewAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_ASH_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_