2008-10-09  David Hyatt  <hyatt@apple.com>

        https://bugs.webkit.org/show_bug.cgi?id=21446

        This patch gets CSS scrollbars up and limping.  There's no way to distinguish between states or between
        orientation and back vs. forward on the buttons, but it's a start.

        Reviewed by Oliver Hunt

        Added scrollbars/basic-scrollbar.html

        * WebCore.xcodeproj/project.pbxproj:
        * css/CSSSelector.cpp:
        (WebCore::CSSSelector::extractPseudoType):
        * css/CSSSelector.h:
        (WebCore::CSSSelector::):
        * css/CSSStyleSelector.cpp:
        (WebCore::CSSStyleSelector::SelectorChecker::checkOneSelector):
        * platform/ScrollTypes.h:
        (WebCore::):
        * platform/Scrollbar.h:
        (WebCore::Scrollbar::styleChanged):
        * platform/ScrollbarThemeComposite.cpp:
        (WebCore::ScrollbarThemeComposite::paint):
        (WebCore::ScrollbarThemeComposite::splitTrack):
        * platform/ScrollbarThemeComposite.h:
        (WebCore::ScrollbarThemeComposite::paintScrollbarBackground):
        (WebCore::ScrollbarThemeComposite::paintTrackBackground):
        (WebCore::ScrollbarThemeComposite::paintTrackPiece):
        * platform/win/ScrollbarThemeSafari.cpp:
        (WebCore::ScrollbarThemeSafari::paintTrackBackground):
        * platform/win/ScrollbarThemeSafari.h:
        * platform/win/ScrollbarThemeWin.cpp:
        (WebCore::ScrollbarThemeWin::paintTrack):
        * platform/win/ScrollbarThemeWin.h:
        * rendering/RenderLayer.cpp:
        (WebCore::RenderLayer::createScrollbar):
        (WebCore::RenderLayer::styleChanged):
        * rendering/RenderScrollbar.cpp: Added.
        (WebCore::RenderScrollbar::createCustomScrollbar):
        (WebCore::RenderScrollbar::RenderScrollbar):
        (WebCore::RenderScrollbar::~RenderScrollbar):
        (WebCore::RenderScrollbar::getScrollbarPseudoStyle):
        (WebCore::RenderScrollbar::updateScrollbarParts):
        (WebCore::RenderScrollbar::updateScrollbarPart):
        (WebCore::RenderScrollbar::paintPart):
        (WebCore::RenderScrollbar::buttonRect):
        (WebCore::RenderScrollbar::minimumThumbLength):
        * rendering/RenderScrollbar.h: Added.
        (WebCore::RenderScrollbar::styleChanged):
        (WebCore::RenderScrollbar::owningRenderer):
        * rendering/RenderScrollbarPart.cpp: Added.
        (WebCore::RenderScrollbarPart::RenderScrollbarPart):
        (WebCore::RenderScrollbarPart::~RenderScrollbarPart):
        (WebCore::RenderScrollbarPart::layout):
        (WebCore::RenderScrollbarPart::layoutHorizontalPart):
        (WebCore::RenderScrollbarPart::layoutVerticalPart):
        (WebCore::calcScrollbarThicknessUsing):
        (WebCore::RenderScrollbarPart::computeScrollbarWidth):
        (WebCore::RenderScrollbarPart::computeScrollbarHeight):
        (WebCore::RenderScrollbarPart::calcPrefWidths):
        (WebCore::RenderScrollbarPart::setStyle):
        * rendering/RenderScrollbarPart.h: Added.
        (WebCore::RenderScrollbarPart::renderName):
        (WebCore::RenderScrollbarPart::requiresLayer):
        * rendering/RenderScrollbarTheme.cpp: Added.
        (WebCore::RenderScrollbarTheme::renderScrollbarTheme):
        (WebCore::RenderScrollbarTheme::buttonSizesAlongTrackAxis):
        (WebCore::RenderScrollbarTheme::hasButtons):
        (WebCore::RenderScrollbarTheme::hasThumb):
        (WebCore::RenderScrollbarTheme::minimumThumbLength):
        (WebCore::RenderScrollbarTheme::backButtonRect):
        (WebCore::RenderScrollbarTheme::forwardButtonRect):
        (WebCore::RenderScrollbarTheme::trackRect):
        (WebCore::RenderScrollbarTheme::paintScrollCorner):
        (WebCore::RenderScrollbarTheme::paintScrollbarBackground):
        (WebCore::RenderScrollbarTheme::paintTrackBackground):
        (WebCore::RenderScrollbarTheme::paintTrackPiece):
        (WebCore::RenderScrollbarTheme::paintButton):
        (WebCore::RenderScrollbarTheme::paintThumb):
        * rendering/RenderScrollbarTheme.h: Added.
        (WebCore::RenderScrollbarTheme::~RenderScrollbarTheme):
        (WebCore::RenderScrollbarTheme::scrollbarThickness):
        (WebCore::RenderScrollbarTheme::buttonsPlacement):
        (WebCore::RenderScrollbarTheme::supportsControlTints):
        (WebCore::RenderScrollbarTheme::shouldCenterOnThumb):
        (WebCore::RenderScrollbarTheme::initialAutoscrollTimerDelay):
        (WebCore::RenderScrollbarTheme::autoscrollTimerDelay):
        (WebCore::RenderScrollbarTheme::registerScrollbar):
        (WebCore::RenderScrollbarTheme::unregisterScrollbar):
        * rendering/style/RenderStyle.h:
        (WebCore::RenderStyle::):

LayoutTests:

2008-10-09  David Hyatt  <hyatt@apple.com>

        Land layout test for CSS scrollbars.

        Reviewed by Oliver Hunt

        * platform/mac/scrollbars: Added.
        * platform/mac/scrollbars/basic-scrollbar-expected.checksum: Added.
        * platform/mac/scrollbars/basic-scrollbar-expected.png: Added.
        * platform/mac/scrollbars/basic-scrollbar-expected.txt: Added.
        * scrollbars: Added.
        * scrollbars/basic-scrollbar.html: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@37462 268f45cc-cd09-0410-ab3c-d52691b4dbfc