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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_BASE_NATIVE_THEME_NATIVE_THEME_BASE_H_ | |
| 6 #define UI_BASE_NATIVE_THEME_NATIVE_THEME_BASE_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "skia/ext/platform_canvas.h" | |
| 12 #include "ui/base/native_theme/native_theme.h" | |
| 13 | |
| 14 namespace gfx { | |
| 15 class Rect; | |
| 16 class Size; | |
| 17 } | |
| 18 | |
| 19 namespace ui { | |
| 20 | |
| 21 // Theme support for non-Windows toolkits. | |
| 22 class NativeThemeBase : public NativeTheme { | |
| 23 public: | |
| 24 // NativeTheme implementation: | |
| 25 virtual gfx::Size GetPartSize(Part part, | |
| 26 State state, | |
| 27 const ExtraParams& extra) const OVERRIDE; | |
| 28 virtual void Paint(SkCanvas* canvas, | |
| 29 Part part, | |
| 30 State state, | |
| 31 const gfx::Rect& rect, | |
| 32 const ExtraParams& extra) const OVERRIDE; | |
| 33 | |
| 34 protected: | |
| 35 NativeThemeBase(); | |
| 36 virtual ~NativeThemeBase(); | |
| 37 | |
| 38 // Draw the arrow. Used by scrollbar and inner spin button. | |
| 39 virtual void PaintArrowButton( | |
| 40 SkCanvas* gc, | |
| 41 const gfx::Rect& rect, | |
| 42 Part direction, | |
| 43 State state) const; | |
| 44 // Paint the scrollbar track. Done before the thumb so that it can contain | |
| 45 // alpha. | |
| 46 virtual void PaintScrollbarTrack( | |
| 47 SkCanvas* canvas, | |
| 48 Part part, | |
| 49 State state, | |
| 50 const ScrollbarTrackExtraParams& extra_params, | |
| 51 const gfx::Rect& rect) const; | |
| 52 // Draw the scrollbar thumb over the track. | |
| 53 virtual void PaintScrollbarThumb( | |
| 54 SkCanvas* canvas, | |
| 55 Part part, | |
| 56 State state, | |
| 57 const gfx::Rect& rect) const; | |
| 58 | |
| 59 virtual void PaintCheckbox( | |
| 60 SkCanvas* canvas, | |
| 61 State state, | |
| 62 const gfx::Rect& rect, | |
| 63 const ButtonExtraParams& button) const; | |
| 64 | |
| 65 virtual void PaintRadio( | |
| 66 SkCanvas* canvas, | |
| 67 State state, | |
| 68 const gfx::Rect& rect, | |
| 69 const ButtonExtraParams& button) const; | |
| 70 | |
| 71 virtual void PaintButton( | |
| 72 SkCanvas* canvas, | |
| 73 State state, | |
| 74 const gfx::Rect& rect, | |
| 75 const ButtonExtraParams& button) const; | |
| 76 | |
| 77 virtual void PaintTextField( | |
| 78 SkCanvas* canvas, | |
| 79 State state, | |
| 80 const gfx::Rect& rect, | |
| 81 const TextFieldExtraParams& text) const; | |
| 82 | |
| 83 virtual void PaintMenuList( | |
| 84 SkCanvas* canvas, | |
| 85 State state, | |
| 86 const gfx::Rect& rect, | |
| 87 const MenuListExtraParams& menu_list) const; | |
| 88 | |
| 89 virtual void PaintMenuPopupBackground(SkCanvas* canvas, | |
| 90 const gfx::Size& size) const; | |
| 91 | |
| 92 virtual void PaintMenuItemBackground( | |
| 93 SkCanvas* canvas, | |
| 94 State state, | |
| 95 const gfx::Rect& rect, | |
| 96 const MenuListExtraParams& menu_list) const; | |
| 97 | |
| 98 virtual void PaintSliderTrack( | |
| 99 SkCanvas* canvas, | |
| 100 State state, | |
| 101 const gfx::Rect& rect, | |
| 102 const SliderExtraParams& slider) const; | |
| 103 | |
| 104 virtual void PaintSliderThumb( | |
| 105 SkCanvas* canvas, | |
| 106 State state, | |
| 107 const gfx::Rect& rect, | |
| 108 const SliderExtraParams& slider) const; | |
| 109 | |
| 110 virtual void PaintInnerSpinButton( | |
| 111 SkCanvas* canvas, | |
| 112 State state, | |
| 113 const gfx::Rect& rect, | |
| 114 const InnerSpinButtonExtraParams& spin_button) const; | |
| 115 | |
| 116 virtual void PaintProgressBar( | |
| 117 SkCanvas* canvas, | |
| 118 State state, | |
| 119 const gfx::Rect& rect, | |
| 120 const ProgressBarExtraParams& progress_bar) const; | |
| 121 | |
| 122 protected: | |
| 123 void set_scrollbar_button_length(unsigned int length) { | |
| 124 scrollbar_button_length_ = length; | |
| 125 } | |
| 126 | |
| 127 bool IntersectsClipRectInt(SkCanvas* canvas, | |
| 128 int x, int y, int w, int h) const; | |
| 129 | |
| 130 void DrawBitmapInt(SkCanvas* canvas, const SkBitmap& bitmap, | |
| 131 int src_x, int src_y, int src_w, int src_h, | |
| 132 int dest_x, int dest_y, int dest_w, int dest_h) const; | |
| 133 | |
| 134 void DrawTiledImage(SkCanvas* canvas, | |
| 135 const SkBitmap& bitmap, | |
| 136 int src_x, int src_y, | |
| 137 double tile_scale_x, double tile_scale_y, | |
| 138 int dest_x, int dest_y, int w, int h) const; | |
| 139 | |
| 140 SkColor SaturateAndBrighten(SkScalar* hsv, | |
| 141 SkScalar saturate_amount, | |
| 142 SkScalar brighten_amount) const; | |
| 143 | |
| 144 private: | |
| 145 void DrawVertLine(SkCanvas* canvas, | |
| 146 int x, | |
| 147 int y1, | |
| 148 int y2, | |
| 149 const SkPaint& paint) const; | |
| 150 void DrawHorizLine(SkCanvas* canvas, | |
| 151 int x1, | |
| 152 int x2, | |
| 153 int y, | |
| 154 const SkPaint& paint) const; | |
| 155 void DrawBox(SkCanvas* canvas, | |
| 156 const gfx::Rect& rect, | |
| 157 const SkPaint& paint) const; | |
| 158 SkScalar Clamp(SkScalar value, | |
| 159 SkScalar min, | |
| 160 SkScalar max) const; | |
| 161 SkColor OutlineColor(SkScalar* hsv1, SkScalar* hsv2) const; | |
| 162 | |
| 163 unsigned int scrollbar_width_; | |
| 164 unsigned int scrollbar_button_length_; | |
| 165 | |
| 166 DISALLOW_COPY_AND_ASSIGN(NativeThemeBase); | |
| 167 }; | |
| 168 | |
| 169 } // namespace ui | |
| 170 | |
| 171 #endif // UI_BASE_NATIVE_THEME_NATIVE_THEME_BASE_H_ | |
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