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// 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_GFX_NATIVE_THEME_ANDROID_H_
#define UI_GFX_NATIVE_THEME_ANDROID_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "skia/ext/platform_canvas.h"
#include "ui/gfx/native_theme.h"
namespace gfx {
class Rect;
class Size;
// Android theming API.
class NativeThemeAndroid : public NativeTheme {
public:
// Gets our singleton instance.
static const NativeThemeAndroid* instance();
// Return the size of the part.
virtual 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 bitmap which might be scaled if its
// size is not same as target rectangle.
void DrawBitmapInt(SkCanvas* canvas,
const SkBitmap& bitmap,
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 SkBitmap& bitmap,
int src_x,
int src_y,
double tile_scale_x,
double 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 gfx
#endif // UI_GFX_NATIVE_THEME_ANDROID_H_
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