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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_NATIVE_THEME_NATIVE_THEME_BASE_H_ | |
| 6 #define UI_NATIVE_THEME_NATIVE_THEME_BASE_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "skia/ext/platform_canvas.h" | |
| 12 #include "ui/native_theme/native_theme.h" | |
| 13 | |
| 14 namespace gfx { | |
| 15 class Canvas; | |
| 16 class ImageSkia; | |
| 17 class Rect; | |
| 18 class Size; | |
| 19 } | |
| 20 | |
| 21 namespace ui { | |
| 22 | |
| 23 // Theme support for non-Windows toolkits. | |
| 24 class NATIVE_THEME_EXPORT NativeThemeBase : public NativeTheme { | |
| 25 public: | |
| 26 // NativeTheme implementation: | |
| 27 gfx::Size GetPartSize(Part part, | |
| 28 State state, | |
| 29 const ExtraParams& extra) const override; | |
| 30 void Paint(SkCanvas* canvas, | |
| 31 Part part, | |
| 32 State state, | |
| 33 const gfx::Rect& rect, | |
| 34 const ExtraParams& extra) const override; | |
| 35 | |
| 36 void PaintStateTransition(SkCanvas* canvas, | |
| 37 Part part, | |
| 38 State startState, | |
| 39 State endState, | |
| 40 double progress, | |
| 41 const gfx::Rect& rect) const override; | |
| 42 | |
| 43 protected: | |
| 44 NativeThemeBase(); | |
| 45 ~NativeThemeBase() override; | |
| 46 | |
| 47 // Draw the arrow. Used by scrollbar and inner spin button. | |
| 48 virtual void PaintArrowButton( | |
| 49 SkCanvas* gc, | |
| 50 const gfx::Rect& rect, | |
| 51 Part direction, | |
| 52 State state) const; | |
| 53 // Paint the scrollbar track. Done before the thumb so that it can contain | |
| 54 // alpha. | |
| 55 virtual void PaintScrollbarTrack( | |
| 56 SkCanvas* canvas, | |
| 57 Part part, | |
| 58 State state, | |
| 59 const ScrollbarTrackExtraParams& extra_params, | |
| 60 const gfx::Rect& rect) const; | |
| 61 // Draw the scrollbar thumb over the track. | |
| 62 virtual void PaintScrollbarThumb( | |
| 63 SkCanvas* canvas, | |
| 64 Part part, | |
| 65 State state, | |
| 66 const gfx::Rect& rect) const; | |
| 67 | |
| 68 virtual void PaintScrollbarCorner(SkCanvas* canvas, | |
| 69 State state, | |
| 70 const gfx::Rect& rect) const; | |
| 71 | |
| 72 virtual void PaintCheckbox( | |
| 73 SkCanvas* canvas, | |
| 74 State state, | |
| 75 const gfx::Rect& rect, | |
| 76 const ButtonExtraParams& button) const; | |
| 77 | |
| 78 virtual void PaintRadio( | |
| 79 SkCanvas* canvas, | |
| 80 State state, | |
| 81 const gfx::Rect& rect, | |
| 82 const ButtonExtraParams& button) const; | |
| 83 | |
| 84 virtual void PaintButton( | |
| 85 SkCanvas* canvas, | |
| 86 State state, | |
| 87 const gfx::Rect& rect, | |
| 88 const ButtonExtraParams& button) const; | |
| 89 | |
| 90 virtual void PaintTextField( | |
| 91 SkCanvas* canvas, | |
| 92 State state, | |
| 93 const gfx::Rect& rect, | |
| 94 const TextFieldExtraParams& text) const; | |
| 95 | |
| 96 virtual void PaintMenuList( | |
| 97 SkCanvas* canvas, | |
| 98 State state, | |
| 99 const gfx::Rect& rect, | |
| 100 const MenuListExtraParams& menu_list) const; | |
| 101 | |
| 102 virtual void PaintMenuPopupBackground( | |
| 103 SkCanvas* canvas, | |
| 104 const gfx::Size& size, | |
| 105 const MenuBackgroundExtraParams& menu_background) const; | |
| 106 | |
| 107 virtual void PaintMenuItemBackground( | |
| 108 SkCanvas* canvas, | |
| 109 State state, | |
| 110 const gfx::Rect& rect, | |
| 111 const MenuListExtraParams& menu_list) const; | |
| 112 | |
| 113 virtual void PaintSliderTrack( | |
| 114 SkCanvas* canvas, | |
| 115 State state, | |
| 116 const gfx::Rect& rect, | |
| 117 const SliderExtraParams& slider) const; | |
| 118 | |
| 119 virtual void PaintSliderThumb( | |
| 120 SkCanvas* canvas, | |
| 121 State state, | |
| 122 const gfx::Rect& rect, | |
| 123 const SliderExtraParams& slider) const; | |
| 124 | |
| 125 virtual void PaintInnerSpinButton( | |
| 126 SkCanvas* canvas, | |
| 127 State state, | |
| 128 const gfx::Rect& rect, | |
| 129 const InnerSpinButtonExtraParams& spin_button) const; | |
| 130 | |
| 131 virtual void PaintProgressBar( | |
| 132 SkCanvas* canvas, | |
| 133 State state, | |
| 134 const gfx::Rect& rect, | |
| 135 const ProgressBarExtraParams& progress_bar) const; | |
| 136 | |
| 137 virtual void PaintScrollbarThumbStateTransition( | |
| 138 SkCanvas* canvas, | |
| 139 State startState, | |
| 140 State endState, | |
| 141 double progress, | |
| 142 const gfx::Rect& rect) const {} | |
| 143 | |
| 144 void set_scrollbar_button_length(unsigned int length) { | |
| 145 scrollbar_button_length_ = length; | |
| 146 } | |
| 147 int scrollbar_button_length() const { return scrollbar_button_length_; } | |
| 148 | |
| 149 bool IntersectsClipRectInt(SkCanvas* canvas, | |
| 150 int x, int y, int w, int h) const; | |
| 151 | |
| 152 void DrawImageInt(SkCanvas* canvas, const gfx::ImageSkia& image, | |
| 153 int src_x, int src_y, int src_w, int src_h, | |
| 154 int dest_x, int dest_y, int dest_w, int dest_h) const; | |
| 155 | |
| 156 void DrawTiledImage(SkCanvas* canvas, | |
| 157 const gfx::ImageSkia& image, | |
| 158 int src_x, int src_y, | |
| 159 float tile_scale_x, float tile_scale_y, | |
| 160 int dest_x, int dest_y, int w, int h) const; | |
| 161 | |
| 162 SkColor SaturateAndBrighten(SkScalar* hsv, | |
| 163 SkScalar saturate_amount, | |
| 164 SkScalar brighten_amount) const; | |
| 165 | |
| 166 // Paints the arrow used on the scrollbar and spinner. | |
| 167 void PaintArrow(SkCanvas* canvas, | |
| 168 const gfx::Rect& rect, | |
| 169 Part direction, | |
| 170 SkColor color) const; | |
| 171 | |
| 172 // Returns the color used to draw the arrow. | |
| 173 SkColor GetArrowColor(State state) const; | |
| 174 | |
| 175 private: | |
| 176 void DrawVertLine(SkCanvas* canvas, | |
| 177 int x, | |
| 178 int y1, | |
| 179 int y2, | |
| 180 const SkPaint& paint) const; | |
| 181 void DrawHorizLine(SkCanvas* canvas, | |
| 182 int x1, | |
| 183 int x2, | |
| 184 int y, | |
| 185 const SkPaint& paint) const; | |
| 186 void DrawBox(SkCanvas* canvas, | |
| 187 const gfx::Rect& rect, | |
| 188 const SkPaint& paint) const; | |
| 189 SkScalar Clamp(SkScalar value, | |
| 190 SkScalar min, | |
| 191 SkScalar max) const; | |
| 192 SkColor OutlineColor(SkScalar* hsv1, SkScalar* hsv2) const; | |
| 193 | |
| 194 // Paint the common parts of the checkboxes and radio buttons. | |
| 195 // borderRadius specifies how rounded the corners should be. | |
| 196 SkRect PaintCheckboxRadioCommon( | |
| 197 SkCanvas* canvas, | |
| 198 State state, | |
| 199 const gfx::Rect& rect, | |
| 200 const SkScalar borderRadius) const; | |
| 201 | |
| 202 unsigned int scrollbar_width_; | |
| 203 | |
| 204 // The length of the arrow buttons, 0 means no buttons are drawn. | |
| 205 unsigned int scrollbar_button_length_; | |
| 206 | |
| 207 DISALLOW_COPY_AND_ASSIGN(NativeThemeBase); | |
| 208 }; | |
| 209 | |
| 210 } // namespace ui | |
| 211 | |
| 212 #endif // UI_NATIVE_THEME_NATIVE_THEME_BASE_H_ | |
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