renderthemechromiummac.mm

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    if (style->width().isIntrinsicOrAuto() && size.width() > 0)
        style->setWidth(Length(size.width(), Fixed));
    if (style->height().isAuto() && size.height() > 0)
        style->setHeight(Length(size.height(), Fixed));
}

void RenderThemeChromiumMac::setFontFromControlSize(CSSStyleSelector* selector, RenderStyle* style, NSControlSize controlSize) const
{
    FontDescription fontDescription;
    fontDescription.setIsAbsoluteSize(true);
    fontDescription.setGenericFamily(FontDescription::SerifFamily);

    NSFont* font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:controlSize]];
    fontDescription.firstFamily().setFamily([font familyName]);
    fontDescription.setComputedSize([font pointSize] * style->effectiveZoom());
    fontDescription.setSpecifiedSize([font pointSize] * style->effectiveZoom());

    // Reset line height
    style->setLineHeight(RenderStyle::initialLineHeight());

    if (style->setFontDescription(fontDescription))
        style->font().update(0);
}

NSControlSize RenderThemeChromiumMac::controlSizeForSystemFont(RenderStyle* style) const
{
    int fontSize = style->fontSize();
    if (fontSize >= [NSFont systemFontSizeForControlSize:NSRegularControlSize])
        return NSRegularControlSize;
    if (fontSize >= [NSFont systemFontSizeForControlSize:NSSmallControlSize])
        return NSSmallControlSize;
    return NSMiniControlSize;
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
bool RenderThemeChromiumMac::paintCheckbox(RenderObject* o, const RenderObject::PaintInfo& paintInfo, const IntRect& r)
{
    // Determine the width and height needed for the control and prepare the cell for painting.
    setCheckboxCellState(o, r);

    paintInfo.context->save();

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

    // We inflate the rect as needed to account for padding included in the cell to accommodate the checkbox
    // shadow" and the check.  We don't consider this part of the bounds of the control in WebKit.
    NSButtonCell* checkbox = this->checkbox();
    IntSize size = checkboxSizes()[[checkbox controlSize]];
    size.setWidth(size.width() * zoomLevel);
    size.setHeight(size.height() * zoomLevel);
    IntRect inflatedRect = inflateRect(r, size, checkboxMargins(), zoomLevel);
    
    if (zoomLevel != 1.0f) {
        inflatedRect.setWidth(inflatedRect.width() / zoomLevel);
        inflatedRect.setHeight(inflatedRect.height() / zoomLevel);
        paintInfo.context->translate(inflatedRect.x(), inflatedRect.y());
        paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
        paintInfo.context->translate(-inflatedRect.x(), -inflatedRect.y());
    }
    
    [checkbox drawWithFrame:NSRect(IntRectToNSRect(inflatedRect)) inView:nil];
    [checkbox setControlView:nil];

    paintInfo.context->restore();

    return false;
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
const IntSize* RenderThemeChromiumMac::checkboxSizes() const
{
    static const IntSize sizes[3] = { IntSize(14, 14), IntSize(12, 12), IntSize(10, 10) };
    return sizes;
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
const int* RenderThemeChromiumMac::checkboxMargins() const
{
    static const int margins[3][4] =
    {
        { 3, 4, 4, 2 },
        { 4, 3, 3, 3 },
        { 4, 3, 3, 3 },
    };
    return margins[[checkbox() controlSize]];
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::setCheckboxCellState(const RenderObject* o, const IntRect& r)
{
    NSButtonCell* checkbox = this->checkbox();

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

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

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::setCheckboxSize(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, checkboxSizes());
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
bool RenderThemeChromiumMac::paintRadio(RenderObject* o, const RenderObject::PaintInfo& paintInfo, const IntRect& r)
{
    // Determine the width and height needed for the control and prepare the cell for painting.
    setRadioCellState(o, r);

    paintInfo.context->save();

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

    // We inflate the rect as needed to account for padding included in the cell to accommodate the checkbox
    // shadow" and the check.  We don't consider this part of the bounds of the control in WebKit.
    NSButtonCell* radio = this->radio();
    IntSize size = radioSizes()[[radio controlSize]];
    size.setWidth(size.width() * zoomLevel);
    size.setHeight(size.height() * zoomLevel);
    IntRect inflatedRect = inflateRect(r, size, radioMargins(), zoomLevel);
    
    if (zoomLevel != 1.0f) {
        inflatedRect.setWidth(inflatedRect.width() / zoomLevel);
        inflatedRect.setHeight(inflatedRect.height() / zoomLevel);
        paintInfo.context->translate(inflatedRect.x(), inflatedRect.y());
        paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
        paintInfo.context->translate(-inflatedRect.x(), -inflatedRect.y());
    }

    [radio drawWithFrame:NSRect(IntRectToNSRect(inflatedRect)) inView:nil];
    [radio setControlView:nil];

    paintInfo.context->restore();

    return false;
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
const IntSize* RenderThemeChromiumMac::radioSizes() const
{
    static const IntSize sizes[3] = { IntSize(14, 15), IntSize(12, 13), IntSize(10, 10) };
    return sizes;
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
const int* RenderThemeChromiumMac::radioMargins() const
{
    static const int margins[3][4] =
    {
        { 2, 2, 4, 2 },
        { 3, 2, 3, 2 },
        { 1, 0, 2, 0 },
    };
    return margins[[radio() controlSize]];
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::setRadioCellState(const RenderObject* o, const IntRect& r)
{
    NSButtonCell* radio = this->radio();

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

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

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::setRadioSize(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, radioSizes());
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::setButtonPaddingFromControlSize(RenderStyle* style, NSControlSize size) const
{
    // Just use 8px.  AppKit wants to use 11px for mini buttons, but that padding is just too large
    // for real-world Web sites (creating a huge necessary minimum width for buttons whose space is
    // by definition constrained, since we select mini only for small cramped environments.
    // This also guarantees the HTML4 <button> will match our rendering by default, since we're using a consistent
    // padding.
    const int padding = 8 * style->effectiveZoom();
    style->setPaddingLeft(Length(padding, Fixed));
    style->setPaddingRight(Length(padding, Fixed));
    style->setPaddingTop(Length(0, Fixed));
    style->setPaddingBottom(Length(0, Fixed));
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::adjustButtonStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const
{
    // There are three appearance constants for buttons.
    // (1) Push-button is the constant for the default Aqua system button.  Push buttons will not scale vertically and will not allow
    // custom fonts or colors.  <input>s use this constant.  This button will allow custom colors and font weights/variants but won't
    // scale vertically.
    // (2) square-button is the constant for the square button.  This button will allow custom fonts and colors and will scale vertically.
    // (3) Button is the constant that means "pick the best button as appropriate."  <button>s use this constant.  This button will
    // also scale vertically and allow custom fonts and colors.  It will attempt to use Aqua if possible and will make this determination
    // solely on the rectangle of the control.

    // Determine our control size based off our font.
    NSControlSize controlSize = controlSizeForFont(style);

    if (style->appearance() == PushButtonPart) {
        // Ditch the border.
        style->resetBorder();

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

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

        // Set the button's vertical size.
        setButtonSize(style);

        // Add in the padding that we'd like to use.
        setButtonPaddingFromControlSize(style, controlSize);

        // 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);
    } else {
        // Set a min-height so that we can't get smaller than the mini button.
        style->setMinHeight(Length(static_cast<int>(15 * style->effectiveZoom()), Fixed));

        // Reset the top and bottom borders.
        style->resetBorderTop();
        style->resetBorderBottom();
    }

    style->setBoxShadow(0);
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
const IntSize* RenderThemeChromiumMac::buttonSizes() const
{
    static const IntSize sizes[3] = { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) };
    return sizes;
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
const int* RenderThemeChromiumMac::buttonMargins() const
{
    static const int margins[3][4] =
    {
        { 4, 6, 7, 6 },
        { 4, 5, 6, 5 },
        { 0, 1, 1, 1 },
    };
    return margins[[button() controlSize]];
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::setButtonSize(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, buttonSizes());
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::setButtonCellState(const RenderObject* o, const IntRect& r)
{
    NSButtonCell* button = this->button();

    // Set the control size based off the rectangle we're painting into.
    if (o->style()->appearance() == SquareButtonPart ||
        r.height() > buttonSizes()[NSRegularControlSize].height() * o->style()->effectiveZoom()) {
        // Use the square button
        if ([button bezelStyle] != NSShadowlessSquareBezelStyle)
            [button setBezelStyle:NSShadowlessSquareBezelStyle];
    } else if ([button bezelStyle] != NSRoundedBezelStyle)
        [button setBezelStyle:NSRoundedBezelStyle];

    setControlSize(button, buttonSizes(), r.size(), o->style()->effectiveZoom());

    NSWindow *window = [nil window];
    BOOL isDefaultButton = (isDefault(o) && [window isKeyWindow]);
    [button setKeyEquivalent:(isDefaultButton ? @"\r" : @"")];

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

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
bool RenderThemeChromiumMac::paintButton(RenderObject* o, const RenderObject::PaintInfo& paintInfo, const IntRect& r)
{
    NSButtonCell* button = this->button();
    LocalCurrentGraphicsContext localContext(paintInfo.context);

    // Determine the width and height needed for the control and prepare the cell for painting.
    setButtonCellState(o, r);

    paintInfo.context->save();

    // We inflate the rect as needed to account for padding included in the cell to accommodate the button
    // shadow.  We don't consider this part of the bounds of the control in WebKit.
    float zoomLevel = o->style()->effectiveZoom();