renderthemechromiummac.mm

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    m_systemColorCache.clear();
    RenderTheme::platformColorsDidChange();
}

Color RenderThemeChromiumMac::systemColor(int cssValueId) const
{
    if (m_systemColorCache.contains(cssValueId))
        return m_systemColorCache.get(cssValueId);
    
    Color color;
    switch (cssValueId) {
    case CSSValueActiveborder:
        color = convertNSColorToColor([NSColor keyboardFocusIndicatorColor]);
        break;
    case CSSValueActivecaption:
        color = convertNSColorToColor([NSColor windowFrameTextColor]);
        break;
    case CSSValueAppworkspace:
        color = convertNSColorToColor([NSColor headerColor]);
        break;
    case CSSValueBackground:
        // Use theme independent default
        break;
    case CSSValueButtonface:
        // We use this value instead of NSColor's controlColor to avoid website incompatibilities.
        // We may want to change this to use the NSColor in future.
        color = 0xFFC0C0C0;
        break;
    case CSSValueButtonhighlight:
        color = convertNSColorToColor([NSColor controlHighlightColor]);
        break;
    case CSSValueButtonshadow:
        color = convertNSColorToColor([NSColor controlShadowColor]);
        break;
    case CSSValueButtontext:
        color = convertNSColorToColor([NSColor controlTextColor]);
        break;
    case CSSValueCaptiontext:
        color = convertNSColorToColor([NSColor textColor]);
        break;
    case CSSValueGraytext:
        color = convertNSColorToColor([NSColor disabledControlTextColor]);
        break;
    case CSSValueHighlight:
        color = convertNSColorToColor([NSColor selectedTextBackgroundColor]);
        break;
    case CSSValueHighlighttext:
        color = convertNSColorToColor([NSColor selectedTextColor]);
        break;
    case CSSValueInactiveborder:
        color = convertNSColorToColor([NSColor controlBackgroundColor]);
        break;
    case CSSValueInactivecaption:
        color = convertNSColorToColor([NSColor controlBackgroundColor]);
        break;
    case CSSValueInactivecaptiontext:
        color = convertNSColorToColor([NSColor textColor]);
        break;
    case CSSValueInfobackground:
        // There is no corresponding NSColor for this so we use a hard coded value.
        color = 0xFFFBFCC5;
        break;
    case CSSValueInfotext:
        color = convertNSColorToColor([NSColor textColor]);
        break;
    case CSSValueMenu:
        color = menuBackgroundColor();
        break;
    case CSSValueMenutext:
        color = convertNSColorToColor([NSColor selectedMenuItemTextColor]);
        break;
    case CSSValueScrollbar:
        color = convertNSColorToColor([NSColor scrollBarColor]);
        break;
    case CSSValueText:
        color = convertNSColorToColor([NSColor textColor]);
        break;
    case CSSValueThreeddarkshadow:
        color = convertNSColorToColor([NSColor controlDarkShadowColor]);
        break;
    case CSSValueThreedshadow:
        color = convertNSColorToColor([NSColor shadowColor]);
        break;
    case CSSValueThreedface:
        // We use this value instead of NSColor's controlColor to avoid website incompatibilities.
        // We may want to change this to use the NSColor in future.
        color = 0xFFC0C0C0;
        break;
    case CSSValueThreedhighlight:
        color = convertNSColorToColor([NSColor highlightColor]);
        break;
    case CSSValueThreedlightshadow:
        color = convertNSColorToColor([NSColor controlLightHighlightColor]);
        break;
    case CSSValueWindow:
        color = convertNSColorToColor([NSColor windowBackgroundColor]);
        break;
    case CSSValueWindowframe:
        color = convertNSColorToColor([NSColor windowFrameColor]);
        break;
    case CSSValueWindowtext:
        color = convertNSColorToColor([NSColor windowFrameTextColor]);
        break;
    }

    if (!color.isValid())
        color = RenderTheme::systemColor(cssValueId);

    if (color.isValid())
        m_systemColorCache.set(cssValueId, color.rgb());

    return color;
}

bool RenderThemeChromiumMac::isControlStyled(const RenderStyle* style, const BorderData& border,
                                             const FillLayer& background, const Color& backgroundColor) const
{
    if (style->appearance() == TextFieldPart || style->appearance() == TextAreaPart || style->appearance() == ListboxPart)
        return style->border() != border;
        
    // FIXME: This is horrible, but there is not much else that can be done.  Menu lists cannot draw properly when
    // scaled.  They can't really draw properly when transformed either.  We can't detect the transform case at style
    // adjustment time so that will just have to stay broken.  We can however detect that we're zooming.  If zooming
    // is in effect we treat it like the control is styled.
    if (style->appearance() == MenulistPart && style->effectiveZoom() != 1.0f)
        return true;

    return RenderTheme::isControlStyled(style, border, background, backgroundColor);
}

// FIXME: Use the code from the old upstream version, before it was converted to the new theme API in r37731.
void RenderThemeChromiumMac::adjustRepaintRect(const RenderObject* o, IntRect& r)
{
    float zoomLevel = o->style()->effectiveZoom();

    switch (o->style()->appearance()) {
    case CheckboxPart: {
        // Since we query the prototype cell, we need to update its state to match.
        setCheckboxCellState(o, r);

        // 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.
        IntSize size = checkboxSizes()[[checkbox() controlSize]];
        size.setHeight(size.height() * zoomLevel);
        size.setWidth(size.width() * zoomLevel);
        r = inflateRect(r, size, checkboxMargins(), zoomLevel);
        break;
    }
    case RadioPart: {
        // Since we query the prototype cell, we need to update its state to match.
        setRadioCellState(o, r);

        // 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.
        IntSize size = radioSizes()[[radio() controlSize]];
        size.setHeight(size.height() * zoomLevel);
        size.setWidth(size.width() * zoomLevel);
        r = inflateRect(r, size, radioMargins(), zoomLevel);
        break;
    }
    case PushButtonPart:
    case DefaultButtonPart:
    case ButtonPart: {
        // Since we query the prototype cell, we need to update its state to match.
        setButtonCellState(o, r);

        // 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.
        if ([button() bezelStyle] == NSRoundedBezelStyle) {
            IntSize size = buttonSizes()[[button() controlSize]];
            size.setHeight(size.height() * zoomLevel);
            size.setWidth(r.width());
            r = inflateRect(r, size, buttonMargins(), zoomLevel);
        }
        break;
    }
    case MenulistPart: {
        setPopupButtonCellState(o, r);
        IntSize size = popupButtonSizes()[[popupButton() controlSize]];
        size.setHeight(size.height() * zoomLevel);
        size.setWidth(r.width());
        r = inflateRect(r, size, popupButtonMargins(), zoomLevel);
        break;
    }
    default:
        break;
    }
}

IntRect RenderThemeChromiumMac::inflateRect(const IntRect& r, const IntSize& size, const int* margins, float zoomLevel) const
{
    // Only do the inflation if the available width/height are too small.  Otherwise try to
    // fit the glow/check space into the available box's width/height.
    int widthDelta = r.width() - (size.width() + margins[LeftMargin] * zoomLevel + margins[RightMargin] * zoomLevel);
    int heightDelta = r.height() - (size.height() + margins[TopMargin] * zoomLevel + margins[BottomMargin] * zoomLevel);
    IntRect result(r);
    if (widthDelta < 0) {
        result.setX(result.x() - margins[LeftMargin] * zoomLevel);
        result.setWidth(result.width() - widthDelta);
    }
    if (heightDelta < 0) {
        result.setY(result.y() - margins[TopMargin] * zoomLevel);
        result.setHeight(result.height() - heightDelta);
    }
    return result;
}

void RenderThemeChromiumMac::updateCheckedState(NSCell* cell, const RenderObject* o)
{
    bool oldIndeterminate = [cell state] == NSMixedState;
    bool indeterminate = isIndeterminate(o);
    bool checked = isChecked(o);

    if (oldIndeterminate != indeterminate) {
        [cell setState:indeterminate ? NSMixedState : (checked ? NSOnState : NSOffState)];
        return;
    }

    bool oldChecked = [cell state] == NSOnState;
    if (checked != oldChecked)
        [cell setState:checked ? NSOnState : NSOffState];
}

void RenderThemeChromiumMac::updateEnabledState(NSCell* cell, const RenderObject* o)
{
    bool oldEnabled = [cell isEnabled];
    bool enabled = isEnabled(o);
    if (enabled != oldEnabled)
        [cell setEnabled:enabled];
}

void RenderThemeChromiumMac::updateFocusedState(NSCell* cell, const RenderObject* o)
{
    bool oldFocused = [cell showsFirstResponder];
    bool focused = isFocused(o) && o->style()->outlineStyleIsAuto();
    if (focused != oldFocused)
        [cell setShowsFirstResponder:focused];
}

void RenderThemeChromiumMac::updatePressedState(NSCell* cell, const RenderObject* o)
{
    bool oldPressed = [cell isHighlighted];
    bool pressed = (o->node() && o->node()->active());
    if (pressed != oldPressed)
        [cell setHighlighted:pressed];
}

// FIXME: This used to be in the upstream version until it was converted to the new theme API in r37731.
int RenderThemeChromiumMac::baselinePosition(const RenderObject* o) const
{
    if (!o->isBox())
        return 0;

    if (o->style()->appearance() == CheckboxPart || o->style()->appearance() == RadioPart) {
        const RenderBox* box = toRenderBox(o);
        return box->marginTop() + box->height() - 2 * o->style()->effectiveZoom(); // The baseline is 2px up from the bottom of the checkbox/radio in AppKit.
    }
    return RenderTheme::baselinePosition(o);
}

bool RenderThemeChromiumMac::controlSupportsTints(const RenderObject* o) const
{
    // An alternate way to implement this would be to get the appropriate cell object
    // and call the private _needRedrawOnWindowChangedKeyState method. An advantage of
    // that would be that we would match AppKit behavior more closely, but a disadvantage
    // would be that we would rely on an AppKit SPI method.

    if (!isEnabled(o))
        return false;

    // Checkboxes only have tint when checked.
    if (o->style()->appearance() == CheckboxPart)
        return isChecked(o);

    // For now assume other controls have tint if enabled.
    return true;
}

NSControlSize RenderThemeChromiumMac::controlSizeForFont(RenderStyle* style) const
{
    int fontSize = style->fontSize();
    if (fontSize >= 16)
        return NSRegularControlSize;
    if (fontSize >= 11)
        return NSSmallControlSize;
    return NSMiniControlSize;
}

void RenderThemeChromiumMac::setControlSize(NSCell* cell, const IntSize* sizes, const IntSize& minSize, float zoomLevel)
{
    NSControlSize size;
    if (minSize.width() >= static_cast<int>(sizes[NSRegularControlSize].width() * zoomLevel) &&
        minSize.height() >= static_cast<int>(sizes[NSRegularControlSize].height() * zoomLevel))
        size = NSRegularControlSize;
    else if (minSize.width() >= static_cast<int>(sizes[NSSmallControlSize].width() * zoomLevel) &&
             minSize.height() >= static_cast<int>(sizes[NSSmallControlSize].height() * zoomLevel))
        size = NSSmallControlSize;
    else
        size = NSMiniControlSize;
    if (size != [cell controlSize]) // Only update if we have to, since AppKit does work even if the size is the same.
        [cell setControlSize:size];
}

IntSize RenderThemeChromiumMac::sizeForFont(RenderStyle* style, const IntSize* sizes) const
{
    if (style->effectiveZoom() != 1.0f) {
        IntSize result = sizes[controlSizeForFont(style)];
        return IntSize(result.width() * style->effectiveZoom(), result.height() * style->effectiveZoom());
    }
    return sizes[controlSizeForFont(style)];
}

IntSize RenderThemeChromiumMac::sizeForSystemFont(RenderStyle* style, const IntSize* sizes) const
{
    if (style->effectiveZoom() != 1.0f) {
        IntSize result = sizes[controlSizeForSystemFont(style)];
        return IntSize(result.width() * style->effectiveZoom(), result.height() * style->effectiveZoom());
    }
    return sizes[controlSizeForSystemFont(style)];
}

void RenderThemeChromiumMac::setSizeFromFont(RenderStyle* style, const IntSize* sizes) const
{
    // FIXME: Check is flawed, since it doesn't take min-width/max-width into account.
    IntSize size = sizeForFont(style, sizes);