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1 /*
2  * Copyright (C) 2010 Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.
29  */
30 
31 #ifndef PlatformThemeChromiumGtk_h
32 #define PlatformThemeChromiumGtk_h
33 
34 #include "PlatformContextSkia.h"
35 #include "SkColor.h"
36 #include "SkScalar.h"
37 #include "ThemeTypes.h"
38 
39 namespace WebCore {
40 
41 class PlatformThemeChromiumGtk {
42 public:
43     enum ArrowDirection {
44         North,
45         East,
46         South,
47         West,
48     };
49 
50     static void setScrollbarColors(unsigned inactiveColor,
51                                    unsigned activeColor,
52                                    unsigned trackColor);
thumbInactiveColor()53     static unsigned thumbInactiveColor() { return s_thumbInactiveColor; }
thumbActiveColor()54     static unsigned thumbActiveColor() { return s_thumbActiveColor; }
trackColor()55     static unsigned trackColor() { return s_trackColor; }
56 
57     static SkColor saturateAndBrighten(const SkScalar hsv[3], SkScalar saturateAmount, SkScalar brightenAmount);
58     static SkColor outlineColor(const SkScalar hsv1[3], const SkScalar hsv2[3]);
59     static void paintArrowButton(GraphicsContext*, const IntRect&, ArrowDirection, ControlStates);
60 
61 private:
PlatformThemeChromiumGtk()62     PlatformThemeChromiumGtk() {}
63 
64     static unsigned s_thumbInactiveColor;
65     static unsigned s_thumbActiveColor;
66     static unsigned s_trackColor;
67 };
68 
69 } // namespace WebCore
70 
71 #endif // PlatformThemeChromiumGtk_h
72