renderthemechromiummac.mm

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    return sizes;
}

void RenderThemeChromiumMac::adjustMenuListStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const
{
    NSControlSize controlSize = controlSizeForFont(style);

    style->resetBorder();
    style->resetPadding();
    
    // Height is locked to auto.
    style->setHeight(Length(Auto));

    // White-space is locked to pre
    style->setWhiteSpace(PRE);

    // Set the foreground color to black or gray when we have the aqua look.
    // Cast to RGB32 is to work around a compiler bug.
    bool isEnabled = true;
    if (FormControlElement* formControlElement = toFormControlElement(e))
        isEnabled = formControlElement->isEnabled();

    style->setColor(isEnabled ? static_cast<RGBA32>(Color::black) : Color::darkGray);

    // Set the button's vertical size.
    setSizeFromFont(style, menuListButtonSizes());

    // Our font is locked to the appropriate system font size for the control.  To clarify, we first use the CSS-specified font to figure out
    // a reasonable control size, but once that control size is determined, we throw that font away and use the appropriate
    // system font for the control size instead.
    setFontFromControlSize(selector, style, controlSize);

    style->setBoxShadow(0);
}

int RenderThemeChromiumMac::popupInternalPaddingLeft(RenderStyle* style) const
{
    if (style->appearance() == MenulistPart)
        return popupButtonPadding(controlSizeForFont(style))[LeftPadding] * style->effectiveZoom();
    if (style->appearance() == MenulistButtonPart)
        return styledPopupPaddingLeft * style->effectiveZoom();
    return 0;
}

int RenderThemeChromiumMac::popupInternalPaddingRight(RenderStyle* style) const
{
    if (style->appearance() == MenulistPart)
        return popupButtonPadding(controlSizeForFont(style))[RightPadding] * style->effectiveZoom();
    if (style->appearance() == MenulistButtonPart) {
        float fontScale = style->fontSize() / baseFontSize;
        float arrowWidth = baseArrowWidth * fontScale;
        return static_cast<int>(ceilf(arrowWidth + (arrowPaddingLeft + arrowPaddingRight + paddingBeforeSeparator) * style->effectiveZoom()));
    }
    return 0;
}

int RenderThemeChromiumMac::popupInternalPaddingTop(RenderStyle* style) const
{
    if (style->appearance() == MenulistPart)
        return popupButtonPadding(controlSizeForFont(style))[TopPadding] * style->effectiveZoom();
    if (style->appearance() == MenulistButtonPart)
        return styledPopupPaddingTop * style->effectiveZoom();
    return 0;
}

int RenderThemeChromiumMac::popupInternalPaddingBottom(RenderStyle* style) const
{
    if (style->appearance() == MenulistPart)
        return popupButtonPadding(controlSizeForFont(style))[BottomPadding] * style->effectiveZoom();
    if (style->appearance() == MenulistButtonPart)
        return styledPopupPaddingBottom * style->effectiveZoom();
    return 0;
}

void RenderThemeChromiumMac::adjustMenuListButtonStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const
{
    float fontScale = style->fontSize() / baseFontSize;

    style->resetPadding();
    style->setBorderRadius(IntSize(int(baseBorderRadius + fontScale - 1), int(baseBorderRadius + fontScale - 1))); // FIXME: Round up?

    const int minHeight = 15;
    style->setMinHeight(Length(minHeight, Fixed));
    
    style->setLineHeight(RenderStyle::initialLineHeight());
}

void RenderThemeChromiumMac::setPopupButtonCellState(const RenderObject* o, const IntRect& r)
{
    NSPopUpButtonCell* popupButton = this->popupButton();

    // Set the control size based off the rectangle we're painting into.
    setControlSize(popupButton, popupButtonSizes(), r.size(), o->style()->effectiveZoom());

    // Update the various states we respond to.
    updateCheckedState(popupButton, o);
    updateEnabledState(popupButton, o);
    updatePressedState(popupButton, o);
    updateFocusedState(popupButton, o);
}

const IntSize* RenderThemeChromiumMac::menuListSizes() const
{
    static const IntSize sizes[3] = { IntSize(9, 0), IntSize(5, 0), IntSize(0, 0) };
    return sizes;
}

int RenderThemeChromiumMac::minimumMenuListSize(RenderStyle* style) const
{
    return sizeForSystemFont(style, menuListSizes()).width();
}

static const int trackWidth = 5;
static const int trackRadius = 2;

void RenderThemeChromiumMac::adjustSliderTrackStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const
{
    style->setBoxShadow(0);
}

bool RenderThemeChromiumMac::paintSliderTrack(RenderObject* o, const RenderObject::PaintInfo& paintInfo, const IntRect& r)
{
    IntRect bounds = r;
    float zoomLevel = o->style()->effectiveZoom();
    float zoomedTrackWidth = trackWidth * zoomLevel;

    if (o->style()->appearance() ==  SliderHorizontalPart || o->style()->appearance() ==  MediaSliderPart) {
        bounds.setHeight(zoomedTrackWidth);
        bounds.setY(r.y() + r.height() / 2 - zoomedTrackWidth / 2);
    } else if (o->style()->appearance() == SliderVerticalPart) {
        bounds.setWidth(zoomedTrackWidth);
        bounds.setX(r.x() + r.width() / 2 - zoomedTrackWidth / 2);
    }

    LocalCurrentGraphicsContext localContext(paintInfo.context);
    CGContextRef context = paintInfo.context->platformContext();
    RetainPtr<CGColorSpaceRef> cspace(AdoptCF, CGColorSpaceCreateDeviceRGB());

    paintInfo.context->save();
    CGContextClipToRect(context, bounds);

    struct CGFunctionCallbacks mainCallbacks = { 0, TrackGradientInterpolate, NULL };
    RetainPtr<CGFunctionRef> mainFunction(AdoptCF, CGFunctionCreate(NULL, 1, NULL, 4, NULL, &mainCallbacks));
    RetainPtr<CGShadingRef> mainShading;
    if (o->style()->appearance() == SliderVerticalPart)
        mainShading.adoptCF(CGShadingCreateAxial(cspace.get(), CGPointMake(bounds.x(),  bounds.bottom()), CGPointMake(bounds.right(), bounds.bottom()), mainFunction.get(), false, false));
    else
        mainShading.adoptCF(CGShadingCreateAxial(cspace.get(), CGPointMake(bounds.x(),  bounds.y()), CGPointMake(bounds.x(), bounds.bottom()), mainFunction.get(), false, false));

    IntSize radius(trackRadius, trackRadius);
    paintInfo.context->addRoundedRectClip(bounds,
        radius, radius,
        radius, radius);
    CGContextDrawShading(context, mainShading.get());
    paintInfo.context->restore();
    
    return false;
}

void RenderThemeChromiumMac::adjustSliderThumbStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const
{
    style->setBoxShadow(0);
}

static const float verticalSliderHeightPadding = 0.1f;

bool RenderThemeChromiumMac::paintSliderThumb(RenderObject* o, const RenderObject::PaintInfo& paintInfo, const IntRect& r)
{
    ASSERT(o->parent()->isSlider());

    NSSliderCell* sliderThumbCell = o->style()->appearance() == SliderThumbVerticalPart
        ? sliderThumbVertical()
        : sliderThumbHorizontal();

    LocalCurrentGraphicsContext localContext(paintInfo.context);

    // Update the various states we respond to.
    updateEnabledState(sliderThumbCell, o->parent());
    updateFocusedState(sliderThumbCell, o->parent());

    // Update the pressed state using the NSCell tracking methods, since that's how NSSliderCell keeps track of it.
    bool oldPressed;
    if (o->style()->appearance() == SliderThumbVerticalPart)
        oldPressed = m_isSliderThumbVerticalPressed;
    else
        oldPressed = m_isSliderThumbHorizontalPressed;

    bool pressed = static_cast<RenderSlider*>(o->parent())->inDragMode();

    if (o->style()->appearance() == SliderThumbVerticalPart)
        m_isSliderThumbVerticalPressed = pressed;
    else
        m_isSliderThumbHorizontalPressed = pressed;

    if (pressed != oldPressed) {
        if (pressed)
            [sliderThumbCell startTrackingAt:NSPoint() inView:nil];
        else
            [sliderThumbCell stopTracking:NSPoint() at:NSPoint() inView:nil mouseIsUp:YES];
    }

    FloatRect bounds = r;
    // Make the height of the vertical slider slightly larger so NSSliderCell will draw a vertical slider.
    if (o->style()->appearance() == SliderThumbVerticalPart)
        bounds.setHeight(bounds.height() + verticalSliderHeightPadding * o->style()->effectiveZoom());

    paintInfo.context->save();
    float zoomLevel = o->style()->effectiveZoom();
    
    FloatRect unzoomedRect = bounds;
    if (zoomLevel != 1.0f) {
        unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
        unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
        paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
        paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
        paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
    }

    [sliderThumbCell drawWithFrame:FloatRectToNSRect(unzoomedRect) inView:nil];
    [sliderThumbCell setControlView:nil];

    paintInfo.context->restore();

    return false;
}

const int sliderThumbWidth = 15;
const int sliderThumbHeight = 15;
const int mediaSliderThumbWidth = 13;
const int mediaSliderThumbHeight = 14;

void RenderThemeChromiumMac::adjustSliderThumbSize(RenderObject* o) const
{
    float zoomLevel = o->style()->effectiveZoom();
    if (o->style()->appearance() == SliderThumbHorizontalPart || o->style()->appearance() == SliderThumbVerticalPart) {
        o->style()->setWidth(Length(static_cast<int>(sliderThumbWidth * zoomLevel), Fixed));
        o->style()->setHeight(Length(static_cast<int>(sliderThumbHeight * zoomLevel), Fixed));
    } else if (o->style()->appearance() == MediaSliderThumbPart) {
        o->style()->setWidth(Length(mediaSliderThumbWidth, Fixed));
        o->style()->setHeight(Length(mediaSliderThumbHeight, Fixed));
    }
}

bool RenderThemeChromiumMac::paintSearchField(RenderObject* o, const RenderObject::PaintInfo& paintInfo, const IntRect& r)
{
    NSSearchFieldCell* search = this->search();
    LocalCurrentGraphicsContext localContext(paintInfo.context);

    setSearchCellState(o, r);

    paintInfo.context->save();

    float zoomLevel = o->style()->effectiveZoom();

    IntRect unzoomedRect = r;
    
    if (zoomLevel != 1.0f) {
        unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
        unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
        paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
        paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
        paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
    }

    // Set the search button to nil before drawing.  Then reset it so we can draw it later.
    [search setSearchButtonCell:nil];

    [search drawWithFrame:NSRect(IntRectToNSRect(unzoomedRect)) inView:nil];
#ifdef BUILDING_ON_TIGER
    if ([search showsFirstResponder])
        wkDrawTextFieldCellFocusRing(search, NSRect(unzoomedRect));
#endif

    [search setControlView:nil];
    [search resetSearchButtonCell];

    paintInfo.context->restore();

    return false;
}

void RenderThemeChromiumMac::setSearchCellState(RenderObject* o, const IntRect& r)
{
    NSSearchFieldCell* search = this->search();

    [search setControlSize:controlSizeForFont(o->style())];

    // Update the various states we respond to.
    updateEnabledState(search, o);
    updateFocusedState(search, o);
}

const IntSize* RenderThemeChromiumMac::searchFieldSizes() const
{
    static const IntSize sizes[3] = { IntSize(0, 22), IntSize(0, 19), IntSize(0, 17) };
    return sizes;
}

void RenderThemeChromiumMac::setSearchFieldSize(RenderStyle* style) const
{
    // If the width and height are both specified, then we have nothing to do.
    if (!style->width().isIntrinsicOrAuto() && !style->height().isAuto())
        return;
    
    // Use the font size to determine the intrinsic width of the control.
    setSizeFromFont(style, searchFieldSizes());
}

void RenderThemeChromiumMac::adjustSearchFieldStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const
{
    // Override border.
    style->resetBorder();
    const short borderWidth = 2 * style->effectiveZoom();
    style->setBorderLeftWidth(borderWidth);
    style->setBorderLeftStyle(INSET);
    style->setBorderRightWidth(borderWidth);
    style->setBorderRightStyle(INSET);
    style->setBorderBottomWidth(borderWidth);
    style->setBorderBottomStyle(INSET);
    style->setBorderTopWidth(borderWidth);
    style->setBorder