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