NativeThemeAndroid should inherit from NativeThemeBase

ui/base/native_theme/native_theme_android.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 UI_BASE_NATIVE_THEME_NATIVE_THEME_ANDROID_H_
 #define UI_BASE_NATIVE_THEME_NATIVE_THEME_ANDROID_H_
 
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "skia/ext/platform_canvas.h"
-#include "ui/base/native_theme/native_theme.h"
-
-namespace gfx {
-class ImageSkia;
-class Rect;
-class Size;
-}
+#include "ui/base/native_theme/native_theme_base.h"
 
 namespace ui {
 
-// Android theming API.
-class NativeThemeAndroid : public NativeTheme {
+// Android implementation of native theme support.
+class NativeThemeAndroid : public NativeThemeBase {
  public:
-  // Gets our singleton instance.
   static const NativeThemeAndroid* instance();
 
-  // Return the size of the part.
-  virtual gfx::Size GetPartSize(Part part,
-                                State state,
-                                const ExtraParams& extra) const OVERRIDE;
-
-  // Paint the part to the canvas.
-  virtual void Paint(SkCanvas* canvas,
-                     Part part,
-                     State state,
-                     const gfx::Rect& rect,
-                     const ExtraParams& extra) const OVERRIDE;
-
   virtual SkColor GetSystemColor(ColorId color_id) const OVERRIDE;
 
  private:
   NativeThemeAndroid();
   virtual ~NativeThemeAndroid();
-
-  // Draw the arrow. Used by scrollbar and inner spin button.
-  void PaintArrowButton(SkCanvas* gc,
-                        const gfx::Rect& rect,
-                        Part direction,
-                        State state) const;
-
-  // Draw the checkbox.
-  void PaintCheckbox(SkCanvas* canvas,
-                     State state,
-                     const gfx::Rect& rect,
-                     const ButtonExtraParams& button) const;
-
-  // Draw the radio.
-  void PaintRadio(SkCanvas* canvas,
-                  State state,
-                  const gfx::Rect& rect,
-                  const ButtonExtraParams& button) const;
-
-  // Draw the push button.
-  void PaintButton(SkCanvas* canvas,
-                   State state,
-                   const gfx::Rect& rect,
-                   const ButtonExtraParams& button) const;
-
-  // Draw the text field.
-  void PaintTextField(SkCanvas* canvas,
-                      State state,
-                      const gfx::Rect& rect,
-                      const TextFieldExtraParams& text) const;
-
-  // Draw the menu list.
-  void PaintMenuList(SkCanvas* canvas,
-                     State state,
-                     const gfx::Rect& rect,
-                     const MenuListExtraParams& menu_list) const;
-
-  // Draw the slider track.
-  void PaintSliderTrack(SkCanvas* canvas,
-                        State state,
-                        const gfx::Rect& rect,
-                        const SliderExtraParams& slider) const;
-
-  // Draw the slider thumb.
-  void PaintSliderThumb(SkCanvas* canvas,
-                        State state,
-                        const gfx::Rect& rect,
-                        const SliderExtraParams& slider) const;
-
-  // Draw the inner spin button.
-  void PaintInnerSpinButton(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const InnerSpinButtonExtraParams& spin_button) const;
-
-  // Draw the progress bar.
-  void PaintProgressBar(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const ProgressBarExtraParams& progress_bar) const;
-
-  // Return true if there is intersection between the |canvas| and the given
-  // rectangle.
-  bool IntersectsClipRectInt(SkCanvas* canvas,
-                             int x,
-                             int y,
-                             int w,
-                             int h) const;
-
-  // Draw the dest rectangle with the given image which might be scaled if its
-  // size is not same as target rectangle.
-  void DrawImageInt(SkCanvas* canvas,
-                    const gfx::ImageSkia& image,
-                    int src_x,
-                    int src_y,
-                    int src_w,
-                    int src_h,
-                    int dest_x,
-                    int dest_y,
-                    int dest_w,
-                    int dest_h) const;
-
-  // Draw the target rectangle with the |bitmap| accroding the given
-  // |tile_scale_x| and |tile_scale_y|
-  void DrawTiledImage(SkCanvas* canvas,
-                      const gfx::ImageSkia& image,
-                      int src_x,
-                      int src_y,
-                      float tile_scale_x,
-                      float tile_scale_y,
-                      int dest_x,
-                      int dest_y,
-                      int w,
-                      int h) const;
-
-  // Return a new color which comes from the |hsv| by adjusting saturate and
-  // brighten according |saturate_amount| and |brighten_amount|
-  SkColor SaturateAndBrighten(SkScalar* hsv,
-                              SkScalar saturate_amount,
-                              SkScalar brighten_amount) const;
-
-  void DrawVertLine(SkCanvas* canvas,
-                    int x,
-                    int y1,
-                    int y2,
-                    const SkPaint& paint) const;
-
-  void DrawHorizLine(SkCanvas* canvas,
-                     int x1,
-                     int x2,
-                     int y,
-                     const SkPaint& paint) const;
-
-  void DrawBox(SkCanvas* canvas,
-               const gfx::Rect& rect,
-               const SkPaint& paint) const;
-
-  // Return the |value| if it is between |min| and |max|, otherwise the |min|
-  // or |max| is returned dependent on which is mostly near the |value|.
-  SkScalar Clamp(SkScalar value, SkScalar min, SkScalar max) const;
-
-  // Used to return the color of scrollbar based on the color of thumb and
-  // track.
-  SkColor OutlineColor(SkScalar* hsv1, SkScalar* hsv2) const;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeThemeAndroid);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_NATIVE_THEME_NATIVE_THEME_ANDROID_H_