Implement Material Design for the tabstrip.

chrome/browser/ui/views/tabs/tab.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_TABS_TAB_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 
 #include <list>
 #include <string>
 
@@ skipping 33 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 class Tab : public gfx::AnimationDelegate,
             public views::ButtonListener,
             public views::ContextMenuController,
             public views::MaskedTargeterDelegate,
             public views::View {
  public:
   // The Tab's class name.
   static const char kViewClassName[];
 
+  // The color of an inactive tab.
+  static const SkColor kInactiveTabColor;
+
   explicit Tab(TabController* controller);
   ~Tab() override;
 
   TabController* controller() const { return controller_; }
 
   // Used to set/check whether this Tab is being animated closed.
   void set_closing(bool closing) { closing_ = closing; }
   bool closing() const { return closing_; }
 
   // See description above field.
@@ skipping 227 matching lines @@
   }
 
   // Recalculates the correct |button_color_| and resets the title, media
   // indicator, and close button colors if necessary.  This should be called any
   // time the theme or active state may have changed.
   void OnButtonColorMaybeChanged();
 
   // Schedules repaint task for icon.
   void ScheduleIconPaint();
 
+  // Computes a path corresponding to the tab's content region inside the outer
+  // stroke.
+  void GetFillPath(float scale, SkPath* path) const;
+
+  // Computes a path corresponding to the tab's outer border for a given |scale|
+  // and stores it in |path|.  If |extend_to_top| is true, the path is extended
+  // vertically to the top of the tab bounds.  The caller uses this for Fitts'
+  // Law purposes in maximized/fullscreen mode.
+  void GetBorderPath(float scale, bool extend_to_top, SkPath* path) const;
+
   // Returns the rectangle for the light bar in immersive mode.
   gfx::Rect GetImmersiveBarRect() const;
 
   // Performs a one-time initialization of static resources such as tab images.
   static void InitTabResources();
 
   // Loads the images to be used for the tab background.
   static void LoadTabImages();
 
   // Returns the cached image for the specified arguments, or an empty image if
@@ skipping 82 matching lines @@
   SkColor button_color_;
 
   // As the majority of the tabs are inactive, and painting tabs is slowish,
   // we cache a handful of the inactive tab backgrounds here.
   static ImageCache* image_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_