Makes inactive pinned tabs throb on views when the title changes....

chrome/browser/views/tabs/tab_renderer.h

 // Copyright (c) 2006-2008 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_VIEWS_TABS_TAB_RENDERER_H__
 #define CHROME_BROWSER_VIEWS_TABS_TAB_RENDERER_H__
 
 #include "app/animation.h"
-#include "app/slide_animation.h"
-#include "app/throb_animation.h"
 #include "base/gfx/point.h"
+#include "base/scoped_ptr.h"
 #include "base/string16.h"
 #include "views/controls/button/image_button.h"
 #include "views/view.h"
 
+class SlideAnimation;
 class TabContents;
+class ThrobAnimation;
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 // TabRenderer
 //
 //  A View that renders a Tab, either in a TabStrip or in a DraggedTabView.
 //
 ///////////////////////////////////////////////////////////////////////////////
 class TabRenderer : public views::View,
                     public views::ButtonListener,
@@ skipping 33 matching lines @@
   virtual bool IsSelected() const;
 
   // Advance the Loading Animation to the next frame, or hide the animation if
   // the tab isn't loading.
   void ValidateLoadingAnimation(AnimationState animation_state);
 
   // Starts/Stops a pulse animation.
   void StartPulse();
   void StopPulse();
 
+  // Start/stop the pinned tab title animation.
+  void StartPinnedTabTitleAnimation();
+  void StopPinnedTabTitleAnimation();
+
   // Set the background offset used to match the image in the inactive tab
   // to the frame image.
   void SetBackgroundOffset(const gfx::Point& offset) {
     background_offset_ = offset;
   }
 
   // Set the theme provider - because we get detached, we are frequently
   // outside of a hierarchy with a theme provider at the top. This should be
   // called whenever we're detached or attached to a hierarchy.
   void SetThemeProvider(ThemeProvider* provider) {
@@ skipping 66 matching lines @@
   // Returns the number of favicon-size elements that can fit in the tab's
   // current size.
   int IconCapacity() const;
 
   // Returns whether the Tab should display a favicon.
   bool ShouldShowIcon() const;
 
   // Returns whether the Tab should display a close button.
   bool ShouldShowCloseBox() const;
 
+  // Gets the throb value for the tab. When a tab is not selected the
+  // active background is drawn at |GetThrobValue()|%. This is used for hover,
+  // pinned tab title change and pulsing.
+  double GetThrobValue();
+
   // The bounds of various sections of the display.
   gfx::Rect favicon_bounds_;
   gfx::Rect title_bounds_;
 
   // The offset used to paint the inactive background image.
   gfx::Point background_offset_;
 
   // Current state of the animation.
   AnimationState animation_state_;
 
   // The current index into the Animation image strip.
   int animation_frame_;
 
   // Close Button.
   views::ImageButton* close_button_;
 
   // Hover animation.
   scoped_ptr<SlideAnimation> hover_animation_;
 
   // Pulse animation.
   scoped_ptr<ThrobAnimation> pulse_animation_;
 
+  // Animation used when the title of an inactive pinned tab changes.
+  scoped_ptr<ThrobAnimation> pinned_title_animation_;
+
   // Model data. We store this here so that we don't need to ask the underlying
   // model, which is tricky since instances of this object can outlive the
   // corresponding objects in the underlying model.
   struct TabData {
     SkBitmap favicon;
     string16 title;
     bool loading;
     bool crashed;
     bool off_the_record;
     bool show_icon;
@@ skipping 35 matching lines @@
 
   ThemeProvider* theme_provider_;
 
   static void InitClass();
   static bool initialized_;
 
   DISALLOW_EVIL_CONSTRUCTORS(TabRenderer);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_TABS_TAB_RENDERER_H__