/* * Copyright (c) 2008, 2009, Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef ScrollbarThemeChromium_h #define ScrollbarThemeChromium_h #include "ScrollbarThemeComposite.h" namespace WebCore { class PlatformMouseEvent; // This class contains the Chromium scrollbar implementations for Windows // and Linux. All of the symbols here in must be defined somewhere in the // code and we manage the platform specific parts by linking in different, // platform specific, files. Methods that we shared across platforms are // implemented in ScrollbarThemeChromium.cpp class ScrollbarThemeChromium : public ScrollbarThemeComposite { public: ScrollbarThemeChromium(); virtual ~ScrollbarThemeChromium(); virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar); virtual void themeChanged(); virtual bool invalidateOnMouseEnterExit(); protected: virtual bool hasButtons(Scrollbar*) { return true; } virtual bool hasThumb(Scrollbar*); virtual IntRect backButtonRect(Scrollbar*, ScrollbarPart, bool painting = false); virtual IntRect forwardButtonRect(Scrollbar*, ScrollbarPart, bool painting = false); virtual IntRect trackRect(Scrollbar*, bool painting = false); virtual void paintScrollCorner(ScrollView*, GraphicsContext*, const IntRect&); virtual bool shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent&); virtual bool shouldSnapBackToDragOrigin(Scrollbar*, const PlatformMouseEvent&); virtual void paintTrackBackground(GraphicsContext*, Scrollbar*, const IntRect&); virtual void paintTrackPiece(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart); virtual void paintButton(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart); virtual void paintThumb(GraphicsContext*, Scrollbar*, const IntRect&); virtual void paintTickmarks(GraphicsContext*, Scrollbar*, const IntRect&); private: IntSize buttonSize(Scrollbar*); int getThemeState(Scrollbar*, ScrollbarPart) const; int getThemeArrowState(Scrollbar*, ScrollbarPart) const; int getClassicThemeState(Scrollbar*, ScrollbarPart) const; }; } // namespace WebCore #endif