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diff --git a/WebCore/platform/haiku/ScrollbarThemeHaiku.cpp b/WebCore/platform/haiku/ScrollbarThemeHaiku.cpp
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+++ b/WebCore/platform/haiku/ScrollbarThemeHaiku.cpp
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+/*
+ * Copyright (C) 2008 Apple Inc. All Rights Reserved.
+ * Copyright 2009 Maxime Simon <simon.maxime@gmail.com> All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. 
+ */
+
+#include "config.h"
+#include "ScrollbarThemeHaiku.h"
+
+#include "GraphicsContext.h"
+#include "Scrollbar.h"
+#include <ControlLook.h>
+#include <InterfaceDefs.h>
+
+
+int buttonWidth(int scrollbarWidth, int thickness)
+{
+    return scrollbarWidth < 2 * thickness ? scrollbarWidth / 2 : thickness;
+}
+
+namespace WebCore {
+
+ScrollbarTheme* ScrollbarTheme::nativeTheme()
+{
+    static ScrollbarThemeHaiku theme;
+    return &theme;
+}
+
+ScrollbarThemeHaiku::ScrollbarThemeHaiku()
+{
+}
+
+ScrollbarThemeHaiku::~ScrollbarThemeHaiku()
+{
+}
+
+int ScrollbarThemeHaiku::scrollbarThickness(ScrollbarControlSize controlSize)
+{
+    // FIXME: Should we make a distinction between a Small and a Regular Scrollbar?
+    return 16;
+}
+
+bool ScrollbarThemeHaiku::hasButtons(Scrollbar* scrollbar)
+{
+    return scrollbar->enabled();
+}
+
+bool ScrollbarThemeHaiku::hasThumb(Scrollbar* scrollbar)
+{
+    return scrollbar->enabled() && thumbLength(scrollbar) > 0;
+}
+
+IntRect ScrollbarThemeHaiku::backButtonRect(Scrollbar* scrollbar, ScrollbarPart part, bool)
+{
+    if (part == BackButtonEndPart)
+        return IntRect();
+
+    int thickness = scrollbarThickness();
+    IntPoint buttonOrigin(scrollbar->x(), scrollbar->y());
+    IntSize buttonSize = scrollbar->orientation() == HorizontalScrollbar
+        ? IntSize(buttonWidth(scrollbar->width(), thickness), thickness)
+        : IntSize(thickness, buttonWidth(scrollbar->height(), thickness));
+    IntRect buttonRect(buttonOrigin, buttonSize);
+
+    return buttonRect;
+}
+
+IntRect ScrollbarThemeHaiku::forwardButtonRect(Scrollbar* scrollbar, ScrollbarPart part, bool)
+{
+    if (part == BackButtonStartPart)
+        return IntRect();
+
+    int thickness = scrollbarThickness();
+    if (scrollbar->orientation() == HorizontalScrollbar) {
+        int width = buttonWidth(scrollbar->width(), thickness);
+        return IntRect(scrollbar->x() + scrollbar->width() - width, scrollbar->y(), width, thickness);
+    }
+
+    int height = buttonWidth(scrollbar->height(), thickness);
+    return IntRect(scrollbar->x(), scrollbar->y() + scrollbar->height() - height, thickness, height);
+}
+
+IntRect ScrollbarThemeHaiku::trackRect(Scrollbar* scrollbar, bool)
+{
+    int thickness = scrollbarThickness();
+    if (scrollbar->orientation() == HorizontalScrollbar) {
+        if (scrollbar->width() < 2 * thickness)
+            return IntRect();
+        return IntRect(scrollbar->x() + thickness, scrollbar->y(), scrollbar->width() - 2 * thickness, thickness);
+    }
+    if (scrollbar->height() < 2 * thickness)
+        return IntRect();
+    return IntRect(scrollbar->x(), scrollbar->y() + thickness, thickness, scrollbar->height() - 2 * thickness);
+}
+
+void ScrollbarThemeHaiku::paintScrollbarBackground(GraphicsContext* context, Scrollbar* scrollbar)
+{
+    if (!be_control_look)
+        return;
+
+    BRect rect = trackRect(scrollbar, false);
+    orientation scrollbarOrientation = scrollbar->orientation() == HorizontalScrollbar ? B_HORIZONTAL : B_VERTICAL;
+
+    be_control_look->DrawScrollBarBackground(context->platformContext(), rect, rect, ui_color(B_PANEL_BACKGROUND_COLOR), 0, scrollbarOrientation);
+}
+
+void ScrollbarThemeHaiku::paintButton(GraphicsContext* context, Scrollbar* scrollbar, const IntRect& rect, ScrollbarPart part)
+{
+    if (!be_control_look)
+        return;
+
+    BRect drawRect = BRect(rect);
+    BView* view = context->platformContext();
+    rgb_color panelBgColor = ui_color(B_PANEL_BACKGROUND_COLOR);
+    rgb_color buttonBgColor = tint_color(panelBgColor, B_LIGHTEN_1_TINT);
+
+    be_control_look->DrawButtonFrame(view, drawRect, drawRect, buttonBgColor, panelBgColor);
+    be_control_look->DrawButtonBackground(view, drawRect, drawRect, buttonBgColor);
+
+    int arrowDirection;
+    if (scrollbar->orientation() == VerticalScrollbar)
+        arrowDirection = part == BackButtonStartPart ? BControlLook::B_UP_ARROW : BControlLook::B_DOWN_ARROW;
+    else
+        arrowDirection = part == BackButtonStartPart ? BControlLook::B_LEFT_ARROW : BControlLook::B_RIGHT_ARROW;
+
+    be_control_look->DrawArrowShape(view, drawRect, drawRect, ui_color(B_CONTROL_TEXT_COLOR), arrowDirection);
+}
+
+void ScrollbarThemeHaiku::paintThumb(GraphicsContext* context, Scrollbar*, const IntRect& rect)
+{
+    if (!be_control_look)
+        return;
+
+    BRect drawRect = BRect(rect);
+    BView* view = context->platformContext();
+    rgb_color panelBgColor = ui_color(B_PANEL_BACKGROUND_COLOR);
+    rgb_color buttonBgColor = tint_color(panelBgColor, B_LIGHTEN_1_TINT);
+
+    be_control_look->DrawButtonFrame(view, drawRect, drawRect, buttonBgColor, panelBgColor);
+    be_control_look->DrawButtonBackground(view, drawRect, drawRect, buttonBgColor);
+}
+
+}
+