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      1 /*
      2  * Copyright (c) 2009, 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 ScrollbarThemeChromiumWin_h
     32 #define ScrollbarThemeChromiumWin_h
     33 
     34 #include "ScrollbarThemeChromium.h"
     35 
     36 namespace WebCore {
     37     class ScrollbarThemeChromiumWin : public ScrollbarThemeChromium {
     38     public:
     39         virtual int scrollbarThickness(ScrollbarControlSize);
     40         virtual bool invalidateOnMouseEnterExit();
     41         virtual bool shouldSnapBackToDragOrigin(Scrollbar*, const PlatformMouseEvent&);
     42 
     43     protected:
     44         virtual void paintTrackPiece(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart);
     45         virtual void paintButton(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart);
     46         virtual void paintThumb(GraphicsContext*, Scrollbar*, const IntRect&);
     47         virtual bool shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent&);
     48         virtual IntSize buttonSize(Scrollbar*);
     49 
     50     private:
     51         int getThemeState(Scrollbar*, ScrollbarPart) const;
     52         int getThemeArrowState(Scrollbar*, ScrollbarPart) const;
     53         int getClassicThemeState(Scrollbar*, ScrollbarPart) const;
     54     };
     55 } // namespace WebCore
     56 
     57 #endif
     58