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      1 /*
      2  * Copyright (C) 2011 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 PlatformThemeChromiumDefault_h
     32 #define PlatformThemeChromiumDefault_h
     33 
     34 #include "SkColor.h"
     35 #include "SkScalar.h"
     36 #include "core/platform/ThemeTypes.h"
     37 #include "core/platform/graphics/GraphicsContext.h"
     38 
     39 namespace WebCore {
     40 
     41 class PlatformThemeChromiumDefault {
     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);
     53     static unsigned thumbInactiveColor() { return s_thumbInactiveColor; }
     54     static unsigned thumbActiveColor() { return s_thumbActiveColor; }
     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:
     62     PlatformThemeChromiumDefault() { }
     63 
     64     static unsigned s_thumbInactiveColor;
     65     static unsigned s_thumbActiveColor;
     66     static unsigned s_trackColor;
     67 };
     68 
     69 } // namespace WebCore
     70 
     71 #endif // PlatformThemeChromiumDefault_h
     72