Made material design ink drop QUICK_ACTION animation more visible.

ui/views/animation/ink_drop_painted_layer_delegates.h

 // Copyright 2015 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 UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_
 #define UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/compositor/layer_delegate.h"
+#include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace views {
 
 // Base ui::LayerDelegate stub that can be extended to paint shapes of a
 // specific color.
 class BasePaintedLayerDelegate : public ui::LayerDelegate {
  public:
   ~BasePaintedLayerDelegate() override;
 
   SkColor color() const { return color_; }
 
+  // Returns the center point of the painted shape.
+  virtual gfx::PointF GetCenterPoint() const = 0;
+
   // ui::LayerDelegate:
   void OnDelegatedFrameDamage(const gfx::Rect& damage_rect_in_dip) override;
   void OnDeviceScaleFactorChanged(float device_scale_factor) override;
   base::Closure PrepareForLayerBoundsChange() override;
 
  protected:
   explicit BasePaintedLayerDelegate(SkColor color);
 
  private:
   // The color to paint.
   SkColor color_;
 
   DISALLOW_COPY_AND_ASSIGN(BasePaintedLayerDelegate);
 };
 
 // A BasePaintedLayerDelegate that paints a circle of a specified color and
 // radius.
 class CircleLayerDelegate : public BasePaintedLayerDelegate {
  public:
   CircleLayerDelegate(SkColor color, int radius);
   ~CircleLayerDelegate() override;
 
   int radius() const { return radius_; }
 
-  // ui::LayerDelegate:
+  // BasePaintedLayerDelegate:
+  gfx::PointF GetCenterPoint() const override;
   void OnPaintLayer(const ui::PaintContext& context) override;
 
  private:
   // The radius of the circle.
   int radius_;
 
   DISALLOW_COPY_AND_ASSIGN(CircleLayerDelegate);
 };
 
 // A BasePaintedLayerDelegate that paints a rectangle of a specified color and
 // size.
 class RectangleLayerDelegate : public BasePaintedLayerDelegate {
  public:
   RectangleLayerDelegate(SkColor color, gfx::Size size);
   ~RectangleLayerDelegate() override;
 
   const gfx::Size& size() const { return size_; }
 
-  // ui::LayerDelegate:
+  // BasePaintedLayerDelegate:
+  gfx::PointF GetCenterPoint() const override;
   void OnPaintLayer(const ui::PaintContext& context) override;
 
  private:
   // The size of the rectangle.
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(RectangleLayerDelegate);
 };
 
 // A BasePaintedLayerDelegate that paints a rounded rectangle of a specified
 // color, size and corner radius.
 class RoundedRectangleLayerDelegate : public BasePaintedLayerDelegate {
  public:
   RoundedRectangleLayerDelegate(SkColor color,
                                 gfx::Size size,
                                 int corner_radius);
   ~RoundedRectangleLayerDelegate() override;
 
   const gfx::Size& size() const { return size_; }
 
-  // ui::LayerDelegate:
+  // BasePaintedLayerDelegate:
+  gfx::PointF GetCenterPoint() const override;
   void OnPaintLayer(const ui::PaintContext& context) override;
 
  private:
   // The size of the rectangle.
   gfx::Size size_;
 
   // The radius of the corners.
   int corner_radius_;
 
   DISALLOW_COPY_AND_ASSIGN(RoundedRectangleLayerDelegate);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_