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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef WebThemeEngine_h | 31 #ifndef WebThemeEngine_h |
32 #define WebThemeEngine_h | 32 #define WebThemeEngine_h |
33 | 33 |
34 #include "WebCanvas.h" | 34 #include "WebCanvas.h" |
35 #include "WebColor.h" | 35 #include "WebColor.h" |
| 36 #include "WebScrollbarOverlayColorTheme.h" |
36 #include "WebSize.h" | 37 #include "WebSize.h" |
37 | 38 |
38 namespace blink { | 39 namespace blink { |
39 | 40 |
40 struct WebRect; | 41 struct WebRect; |
41 | 42 |
42 class WebThemeEngine { | 43 class WebThemeEngine { |
43 public: | 44 public: |
44 // The current state of the associated Part. | 45 // The current state of the associated Part. |
45 enum State { | 46 enum State { |
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130 | 131 |
131 // Extra parameters for PartProgressBar | 132 // Extra parameters for PartProgressBar |
132 struct ProgressBarExtraParams { | 133 struct ProgressBarExtraParams { |
133 bool determinate; | 134 bool determinate; |
134 int valueRectX; | 135 int valueRectX; |
135 int valueRectY; | 136 int valueRectY; |
136 int valueRectWidth; | 137 int valueRectWidth; |
137 int valueRectHeight; | 138 int valueRectHeight; |
138 }; | 139 }; |
139 | 140 |
| 141 // Extra parameters for scrollbar thumb. Used only for overlay scrollbars. |
| 142 struct ScrollbarThumbExtraParams { |
| 143 WebScrollbarOverlayColorTheme scrollbarTheme; |
| 144 }; |
| 145 |
140 union ExtraParams { | 146 union ExtraParams { |
141 ScrollbarTrackExtraParams scrollbarTrack; | 147 ScrollbarTrackExtraParams scrollbarTrack; |
142 ButtonExtraParams button; | 148 ButtonExtraParams button; |
143 TextFieldExtraParams textField; | 149 TextFieldExtraParams textField; |
144 MenuListExtraParams menuList; | 150 MenuListExtraParams menuList; |
145 SliderExtraParams slider; | 151 SliderExtraParams slider; |
146 InnerSpinButtonExtraParams innerSpin; | 152 InnerSpinButtonExtraParams innerSpin; |
147 ProgressBarExtraParams progressBar; | 153 ProgressBarExtraParams progressBar; |
| 154 ScrollbarThumbExtraParams scrollbarThumb; |
148 }; | 155 }; |
149 | 156 |
150 // Gets the size of the given theme part. For variable sized items | 157 // Gets the size of the given theme part. For variable sized items |
151 // like vertical scrollbar thumbs, the width will be the required width of | 158 // like vertical scrollbar thumbs, the width will be the required width of |
152 // the track while the height will be the minimum height. | 159 // the track while the height will be the minimum height. |
153 virtual WebSize getSize(Part) { return WebSize(); } | 160 virtual WebSize getSize(Part) { return WebSize(); } |
154 | 161 |
155 struct ScrollbarStyle { | 162 struct ScrollbarStyle { |
156 int thumbThickness; | 163 int thumbThickness; |
157 int scrollbarMargin; | 164 int scrollbarMargin; |
158 WebColor color; | 165 WebColor color; |
159 }; | 166 }; |
160 | 167 |
161 // Gets the overlay scrollbar style. Used for mobile theme. | 168 // Gets the overlay scrollbar style. Used for mobile theme. |
162 virtual void getOverlayScrollbarStyle(ScrollbarStyle*) {} | 169 virtual void getOverlayScrollbarStyle(ScrollbarStyle*) {} |
163 | 170 |
164 // Paint the given the given theme part. | 171 // Paint the given the given theme part. |
165 virtual void paint(WebCanvas*, | 172 virtual void paint(WebCanvas*, |
166 Part, | 173 Part, |
167 State, | 174 State, |
168 const WebRect&, | 175 const WebRect&, |
169 const ExtraParams*) {} | 176 const ExtraParams*) {} |
170 }; | 177 }; |
171 | 178 |
172 } // namespace blink | 179 } // namespace blink |
173 | 180 |
174 #endif | 181 #endif |
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