Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 2064 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/RenderThemeMac.mm b/Source/WebCore/rendering/RenderThemeMac.mm
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+++ b/Source/WebCore/rendering/RenderThemeMac.mm
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+/*
+ * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#import "config.h"
+#import "RenderThemeMac.h"
+
+#import "BitmapImage.h"
+#import "ColorMac.h"
+#import "CSSStyleSelector.h"
+#import "CSSValueKeywords.h"
+#import "Document.h"
+#import "Element.h"
+#import "FrameView.h"
+#import "GraphicsContextCG.h"
+#import "HTMLInputElement.h"
+#import "HTMLMediaElement.h"
+#import "HTMLNames.h"
+#import "Image.h"
+#import "ImageBuffer.h"
+#import "LocalCurrentGraphicsContext.h"
+#import "MediaControlElements.h"
+#import "RenderMedia.h"
+#import "RenderSlider.h"
+#import "RenderView.h"
+#import "SharedBuffer.h"
+#import "TimeRanges.h"
+#import "ThemeMac.h"
+#import "WebCoreSystemInterface.h"
+#import "UserAgentStyleSheets.h"
+#import <Carbon/Carbon.h>
+#import <Cocoa/Cocoa.h>
+#import <wtf/RetainPtr.h>
+#import <wtf/StdLibExtras.h>
+#import <math.h>
+
+#import "RenderProgress.h"
+
+#if ENABLE(METER_TAG)
+#include "RenderMeter.h"
+#include "HTMLMeterElement.h"
+#endif
+
+#ifdef BUILDING_ON_TIGER
+typedef int NSInteger;
+typedef unsigned NSUInteger;
+#endif
+
+using namespace std;
+
+// The methods in this file are specific to the Mac OS X platform.
+
+// FIXME: The platform-independent code in this class should be factored out and merged with RenderThemeSafari. 
+
+// We estimate the animation rate of a Mac OS X progress bar is 33 fps.
+// Hard code the value here because we haven't found API for it.
+const double progressAnimationFrameRate = 0.033;
+
+// Mac OS X progress bar animation seems to have 256 frames.
+const double progressAnimationNumFrames = 256;
+
+@interface WebCoreRenderThemeNotificationObserver : NSObject
+{
+    WebCore::RenderTheme *_theme;
+}
+
+- (id)initWithTheme:(WebCore::RenderTheme *)theme;
+- (void)systemColorsDidChange:(NSNotification *)notification;
+
+@end
+
+@implementation WebCoreRenderThemeNotificationObserver
+
+- (id)initWithTheme:(WebCore::RenderTheme *)theme
+{
+    [super init];
+    _theme = theme;
+    
+    return self;
+}
+
+- (void)systemColorsDidChange:(NSNotification *)unusedNotification
+{
+    ASSERT_UNUSED(unusedNotification, [[unusedNotification name] isEqualToString:NSSystemColorsDidChangeNotification]);
+    _theme->platformColorsDidChange();
+}
+
+@end
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+enum {
+    topMargin,
+    rightMargin,
+    bottomMargin,
+    leftMargin
+};
+
+enum {
+    topPadding,
+    rightPadding,
+    bottomPadding,
+    leftPadding
+};
+
+#if PLATFORM(MAC)
+PassRefPtr<RenderTheme> RenderTheme::themeForPage(Page*)
+{
+    static RenderTheme* rt = RenderThemeMac::create().releaseRef();
+    return rt;
+}
+#endif
+
+PassRefPtr<RenderTheme> RenderThemeMac::create()
+{
+    return adoptRef(new RenderThemeMac);
+}
+
+RenderThemeMac::RenderThemeMac()
+    : m_isSliderThumbHorizontalPressed(false)
+    , m_isSliderThumbVerticalPressed(false)
+    , m_notificationObserver(AdoptNS, [[WebCoreRenderThemeNotificationObserver alloc] initWithTheme:this])
+{
+    [[NSNotificationCenter defaultCenter] addObserver:m_notificationObserver.get()
+                                                        selector:@selector(systemColorsDidChange:)
+                                                            name:NSSystemColorsDidChangeNotification
+                                                          object:nil];
+}
+
+RenderThemeMac::~RenderThemeMac()
+{
+    [[NSNotificationCenter defaultCenter] removeObserver:m_notificationObserver.get()];
+}
+
+Color RenderThemeMac::platformActiveSelectionBackgroundColor() const
+{
+    NSColor* color = [[NSColor selectedTextBackgroundColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+    return Color(static_cast<int>(255.0 * [color redComponent]), static_cast<int>(255.0 * [color greenComponent]), static_cast<int>(255.0 * [color blueComponent]));
+}
+
+Color RenderThemeMac::platformInactiveSelectionBackgroundColor() const
+{
+    NSColor* color = [[NSColor secondarySelectedControlColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+    return Color(static_cast<int>(255.0 * [color redComponent]), static_cast<int>(255.0 * [color greenComponent]), static_cast<int>(255.0 * [color blueComponent]));
+}
+
+Color RenderThemeMac::platformActiveListBoxSelectionBackgroundColor() const
+{
+    NSColor* color = [[NSColor alternateSelectedControlColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+    return Color(static_cast<int>(255.0 * [color redComponent]), static_cast<int>(255.0 * [color greenComponent]), static_cast<int>(255.0 * [color blueComponent]));
+}
+
+Color RenderThemeMac::platformActiveListBoxSelectionForegroundColor() const
+{
+    return Color::white;
+}
+
+Color RenderThemeMac::platformInactiveListBoxSelectionForegroundColor() const
+{
+    return Color::black;
+}
+
+Color RenderThemeMac::platformFocusRingColor() const
+{
+    if (usesTestModeFocusRingColor())
+        return oldAquaFocusRingColor();
+
+    return systemColor(CSSValueWebkitFocusRingColor);
+}
+
+Color RenderThemeMac::platformInactiveListBoxSelectionBackgroundColor() const
+{
+    return platformInactiveSelectionBackgroundColor();
+}
+
+static FontWeight toFontWeight(NSInteger appKitFontWeight)
+{
+    ASSERT(appKitFontWeight > 0 && appKitFontWeight < 15);
+    if (appKitFontWeight > 14)
+        appKitFontWeight = 14;
+    else if (appKitFontWeight < 1)
+        appKitFontWeight = 1;
+
+    static FontWeight fontWeights[] = {
+        FontWeight100,
+        FontWeight100,
+        FontWeight200,
+        FontWeight300,
+        FontWeight400,
+        FontWeight500,
+        FontWeight600,
+        FontWeight600,
+        FontWeight700,
+        FontWeight800,
+        FontWeight800,
+        FontWeight900,
+        FontWeight900,
+        FontWeight900
+    };
+    return fontWeights[appKitFontWeight - 1];
+}
+
+void RenderThemeMac::systemFont(int cssValueId, FontDescription& fontDescription) const
+{
+    DEFINE_STATIC_LOCAL(FontDescription, systemFont, ());
+    DEFINE_STATIC_LOCAL(FontDescription, smallSystemFont, ());
+    DEFINE_STATIC_LOCAL(FontDescription, menuFont, ());
+    DEFINE_STATIC_LOCAL(FontDescription, labelFont, ());
+    DEFINE_STATIC_LOCAL(FontDescription, miniControlFont, ());
+    DEFINE_STATIC_LOCAL(FontDescription, smallControlFont, ());
+    DEFINE_STATIC_LOCAL(FontDescription, controlFont, ());
+
+    FontDescription* cachedDesc;
+    NSFont* font = nil;
+    switch (cssValueId) {
+        case CSSValueSmallCaption:
+            cachedDesc = &smallSystemFont;
+            if (!smallSystemFont.isAbsoluteSize())
+                font = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
+            break;
+        case CSSValueMenu:
+            cachedDesc = &menuFont;
+            if (!menuFont.isAbsoluteSize())
+                font = [NSFont menuFontOfSize:[NSFont systemFontSize]];
+            break;
+        case CSSValueStatusBar:
+            cachedDesc = &labelFont;
+            if (!labelFont.isAbsoluteSize())
+                font = [NSFont labelFontOfSize:[NSFont labelFontSize]];
+            break;
+        case CSSValueWebkitMiniControl:
+            cachedDesc = &miniControlFont;
+            if (!miniControlFont.isAbsoluteSize())
+                font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSMiniControlSize]];
+            break;
+        case CSSValueWebkitSmallControl:
+            cachedDesc = &smallControlFont;
+            if (!smallControlFont.isAbsoluteSize())
+                font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSSmallControlSize]];
+            break;
+        case CSSValueWebkitControl:
+            cachedDesc = &controlFont;
+            if (!controlFont.isAbsoluteSize())
+                font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSRegularControlSize]];
+            break;
+        default:
+            cachedDesc = &systemFont;
+            if (!systemFont.isAbsoluteSize())
+                font = [NSFont systemFontOfSize:[NSFont systemFontSize]];
+    }
+
+    if (font) {
+        NSFontManager *fontManager = [NSFontManager sharedFontManager];
+        cachedDesc->setIsAbsoluteSize(true);
+        cachedDesc->setGenericFamily(FontDescription::NoFamily);
+        cachedDesc->firstFamily().setFamily([font familyName]);
+        cachedDesc->setSpecifiedSize([font pointSize]);
+        cachedDesc->setWeight(toFontWeight([fontManager weightOfFont:font]));
+        cachedDesc->setItalic([fontManager traitsOfFont:font] & NSItalicFontMask);
+    }
+    fontDescription = *cachedDesc;
+}
+
+static RGBA32 convertNSColorToColor(NSColor *color)
+{
+    NSColor *colorInColorSpace = [color colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+    if (colorInColorSpace) {
+        static const double scaleFactor = nextafter(256.0, 0.0);
+        return makeRGB(static_cast<int>(scaleFactor * [colorInColorSpace redComponent]),
+            static_cast<int>(scaleFactor * [colorInColorSpace greenComponent]),
+            static_cast<int>(scaleFactor * [colorInColorSpace blueComponent]));
+    }
+
+    // This conversion above can fail if the NSColor in question is an NSPatternColor 
+    // (as many system colors are). These colors are actually a repeating pattern
+    // not just a solid color. To work around this we simply draw a 1x1 image of
+    // the color and use that pixel's color. It might be better to use an average of
+    // the colors in the pattern instead.
+    NSBitmapImageRep *offscreenRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:nil
+                                                                             pixelsWide:1
+                                                                             pixelsHigh:1
+                                                                          bitsPerSample:8
+                                                                        samplesPerPixel:4
+                                                                               hasAlpha:YES
+                                                                               isPlanar:NO
+                                                                         colorSpaceName:NSDeviceRGBColorSpace
+                                                                            bytesPerRow:4
+                                                                           bitsPerPixel:32];
+
+    [NSGraphicsContext saveGraphicsState];
+    [NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithBitmapImageRep:offscreenRep]];
+    NSEraseRect(NSMakeRect(0, 0, 1, 1));
+    [color drawSwatchInRect:NSMakeRect(0, 0, 1, 1)];
+    [NSGraphicsContext restoreGraphicsState];
+
+    NSUInteger pixel[4];
+    [offscreenRep getPixel:pixel atX:0 y:0];
+
+    [offscreenRep release];
+
+    return makeRGB(pixel[0], pixel[1], pixel[2]);
+}
+
+static RGBA32 menuBackgroundColor()
+{
+    NSBitmapImageRep *offscreenRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:nil
+                                                                             pixelsWide:1
+                                                                             pixelsHigh:1
+                                                                          bitsPerSample:8
+                                                                        samplesPerPixel:4
+                                                                               hasAlpha:YES
+                                                                               isPlanar:NO
+                                                                         colorSpaceName:NSDeviceRGBColorSpace
+                                                                            bytesPerRow:4
+                                                                           bitsPerPixel:32];
+
+    CGContextRef context = static_cast<CGContextRef>([[NSGraphicsContext graphicsContextWithBitmapImageRep:offscreenRep] graphicsPort]);
+    CGRect rect = CGRectMake(0, 0, 1, 1);
+    HIThemeMenuDrawInfo drawInfo;
+    drawInfo.version =  0;
+    drawInfo.menuType = kThemeMenuTypePopUp;
+    HIThemeDrawMenuBackground(&rect, &drawInfo, context, kHIThemeOrientationInverted);
+
+    NSUInteger pixel[4];
+    [offscreenRep getPixel:pixel atX:0 y:0];
+
+    [offscreenRep release];
+
+    return makeRGB(pixel[0], pixel[1], pixel[2]);
+}
+
+void RenderThemeMac::platformColorsDidChange()
+{
+    m_systemColorCache.clear();
+    RenderTheme::platformColorsDidChange();
+}
+
+Color RenderThemeMac::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 CSSValueWebkitFocusRingColor:
+            color = convertNSColorToColor([NSColor keyboardFocusIndicatorColor]);
+            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 RenderThemeMac::usesTestModeFocusRingColor() const
+{
+    return WebCore::usesTestModeFocusRingColor();
+}
+
+NSView* RenderThemeMac::documentViewFor(RenderObject* o) const
+{
+#if PLATFORM(MAC)
+    return ThemeMac::ensuredView(o->view()->frameView());
+#else
+    ASSERT_NOT_REACHED();
+    return 0;
+#endif
+}
+
+bool RenderThemeMac::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);
+}
+
+void RenderThemeMac::adjustRepaintRect(const RenderObject* o, IntRect& r)
+{
+    ControlPart part = o->style()->appearance();
+    
+#if USE(NEW_THEME)
+    switch (part) {
+        case CheckboxPart:
+        case RadioPart:
+        case PushButtonPart:
+        case SquareButtonPart:
+        case ListButtonPart:
+        case DefaultButtonPart:
+        case ButtonPart:
+        case OuterSpinButtonPart:
+            return RenderTheme::adjustRepaintRect(o, r);
+        default:
+            break;
+    }
+#endif
+
+    float zoomLevel = o->style()->effectiveZoom();
+
+    if (part == MenulistPart) {
+        setPopupButtonCellState(o, r);
+        IntSize size = popupButtonSizes()[[popupButton() controlSize]];
+        size.setHeight(size.height() * zoomLevel);
+        size.setWidth(r.width());
+        r = inflateRect(r, size, popupButtonMargins(), zoomLevel);
+    }
+}
+
+IntRect RenderThemeMac::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;
+}
+
+FloatRect RenderThemeMac::convertToPaintingRect(const RenderObject* inputRenderer, const RenderObject* partRenderer, const FloatRect& inputRect, const IntRect& r) const
+{
+    FloatRect partRect(inputRect);
+    
+    // Compute an offset between the part renderer and the input renderer
+    FloatSize offsetFromInputRenderer;
+    const RenderObject* renderer = partRenderer;
+    while (renderer && renderer != inputRenderer) {
+        RenderObject* containingRenderer = renderer->container();
+        offsetFromInputRenderer -= renderer->offsetFromContainer(containingRenderer, IntPoint());
+        renderer = containingRenderer;
+    }
+    // If the input renderer was not a container, something went wrong
+    ASSERT(renderer == inputRenderer);
+    // Move the rect into partRenderer's coords
+    partRect.move(offsetFromInputRenderer);
+    // Account for the local drawing offset (tx, ty)
+    partRect.move(r.x(), r.y());
+
+    return partRect;
+}
+
+void RenderThemeMac::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 RenderThemeMac::updateEnabledState(NSCell* cell, const RenderObject* o)
+{
+    bool oldEnabled = [cell isEnabled];
+    bool enabled = isEnabled(o);
+    if (enabled != oldEnabled)
+        [cell setEnabled:enabled];
+}
+
+void RenderThemeMac::updateFocusedState(NSCell* cell, const RenderObject* o)
+{
+    bool oldFocused = [cell showsFirstResponder];
+    bool focused = isFocused(o) && o->style()->outlineStyleIsAuto();
+    if (focused != oldFocused)
+        [cell setShowsFirstResponder:focused];
+}
+
+void RenderThemeMac::updatePressedState(NSCell* cell, const RenderObject* o)
+{
+    bool oldPressed = [cell isHighlighted];
+    bool pressed = (o->node() && o->node()->active());
+    if (pressed != oldPressed)
+        [cell setHighlighted:pressed];
+}
+
+bool RenderThemeMac::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 RenderThemeMac::controlSizeForFont(RenderStyle* style) const
+{
+    int fontSize = style->fontSize();
+    if (fontSize >= 16)
+        return NSRegularControlSize;
+    if (fontSize >= 11)
+        return NSSmallControlSize;
+    return NSMiniControlSize;
+}
+
+void RenderThemeMac::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 RenderThemeMac::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 RenderThemeMac::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 RenderThemeMac::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);
+    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 RenderThemeMac::setFontFromControlSize(CSSStyleSelector*, 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 RenderThemeMac::controlSizeForSystemFont(RenderStyle* style) const
+{
+    int fontSize = style->fontSize();
+    if (fontSize >= [NSFont systemFontSizeForControlSize:NSRegularControlSize])
+        return NSRegularControlSize;
+    if (fontSize >= [NSFont systemFontSizeForControlSize:NSSmallControlSize])
+        return NSSmallControlSize;
+    return NSMiniControlSize;
+}
+
+bool RenderThemeMac::paintTextField(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawBezeledTextFieldCell(r, isEnabled(o) && !isReadOnlyControl(o));
+    return false;
+}
+
+void RenderThemeMac::adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const
+{
+}
+
+bool RenderThemeMac::paintCapsLockIndicator(RenderObject*, const PaintInfo& paintInfo, const IntRect& r)
+{
+    if (paintInfo.context->paintingDisabled())
+        return true;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawCapsLockIndicator(paintInfo.context->platformContext(), r);
+    
+    return false;
+}
+
+bool RenderThemeMac::paintTextArea(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawBezeledTextArea(r, isEnabled(o) && !isReadOnlyControl(o));
+    return false;
+}
+
+void RenderThemeMac::adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, Element*) const
+{
+}
+
+const int* RenderThemeMac::popupButtonMargins() const
+{
+    static const int margins[3][4] =
+    {
+        { 0, 3, 1, 3 },
+        { 0, 3, 2, 3 },
+        { 0, 1, 0, 1 }
+    };
+    return margins[[popupButton() controlSize]];
+}
+
+const IntSize* RenderThemeMac::popupButtonSizes() const
+{
+    static const IntSize sizes[3] = { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) };
+    return sizes;
+}
+
+const int* RenderThemeMac::popupButtonPadding(NSControlSize size) const
+{
+    static const int padding[3][4] =
+    {
+        { 2, 26, 3, 8 },
+        { 2, 23, 3, 8 },
+        { 2, 22, 3, 10 }
+    };
+    return padding[size];
+}
+
+bool RenderThemeMac::paintMenuList(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    setPopupButtonCellState(o, r);
+
+    NSPopUpButtonCell* popupButton = this->popupButton();
+
+    float zoomLevel = o->style()->effectiveZoom();
+    IntSize size = popupButtonSizes()[[popupButton controlSize]];
+    size.setHeight(size.height() * zoomLevel);
+    size.setWidth(r.width());
+
+    // Now inflate it to account for the shadow.
+    IntRect inflatedRect = r;
+    if (r.width() >= minimumMenuListSize(o->style()))
+        inflatedRect = inflateRect(inflatedRect, size, popupButtonMargins(), zoomLevel);
+
+    paintInfo.context->save();
+    
+#ifndef BUILDING_ON_TIGER
+    // On Leopard, the cell will draw outside of the given rect, so we have to clip to the rect
+    paintInfo.context->clip(inflatedRect);
+#endif
+
+    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());
+    }
+
+    [popupButton drawWithFrame:inflatedRect inView:documentViewFor(o)];
+    [popupButton setControlView:nil];
+
+    paintInfo.context->restore();
+
+    return false;
+}
+
+#if ENABLE(METER_TAG)
+
+IntSize RenderThemeMac::meterSizeForBounds(const RenderMeter* renderMeter, const IntRect& bounds) const
+{
+    if (NoControlPart == renderMeter->style()->appearance())
+        return bounds.size();
+
+    NSLevelIndicatorCell* cell = levelIndicatorFor(renderMeter);
+    // Makes enough room for cell's intrinsic size.
+    NSSize cellSize = [cell cellSizeForBounds:IntRect(IntPoint(), bounds.size())];
+    return IntSize(bounds.width() < cellSize.width ? cellSize.width : bounds.width(),
+                   bounds.height() < cellSize.height ? cellSize.height : bounds.height());
+}
+
+bool RenderThemeMac::paintMeter(RenderObject* renderObject, const PaintInfo& paintInfo, const IntRect& rect)
+{
+    if (!renderObject->isMeter())
+        return true;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+
+    // Becaue NSLevelIndicatorCell doesn't support vertical gauge, we use a portable version 
+    if (rect.width() < rect.height())
+        return RenderTheme::paintMeter(renderObject, paintInfo, rect);
+
+    NSLevelIndicatorCell* cell = levelIndicatorFor(toRenderMeter(renderObject));
+    paintInfo.context->save();
+    [cell drawWithFrame:rect inView:documentViewFor(renderObject)];
+    [cell setControlView:nil];
+    paintInfo.context->restore();
+
+    return false;
+}
+
+bool RenderThemeMac::supportsMeter(ControlPart part, bool isHorizontal) const
+{
+    switch (part) {
+    case RelevancyLevelIndicatorPart:
+    case DiscreteCapacityLevelIndicatorPart:
+    case RatingLevelIndicatorPart:
+    case MeterPart:
+    case ContinuousCapacityLevelIndicatorPart:
+        return isHorizontal;
+    default:
+        return false;
+    }
+}
+
+NSLevelIndicatorStyle RenderThemeMac::levelIndicatorStyleFor(ControlPart part) const
+{
+    switch (part) {
+    case RelevancyLevelIndicatorPart:
+        return NSRelevancyLevelIndicatorStyle;
+    case DiscreteCapacityLevelIndicatorPart:
+        return NSDiscreteCapacityLevelIndicatorStyle;
+    case RatingLevelIndicatorPart:
+        return NSRatingLevelIndicatorStyle;
+    case MeterPart:
+    case ContinuousCapacityLevelIndicatorPart:
+    default:
+        return NSContinuousCapacityLevelIndicatorStyle;
+    }
+    
+}
+
+NSLevelIndicatorCell* RenderThemeMac::levelIndicatorFor(const RenderMeter* renderMeter) const
+{
+    RenderStyle* style = renderMeter->style();
+    ASSERT(style->appearance() != NoControlPart);
+
+    if (!m_levelIndicator)
+        m_levelIndicator.adoptNS([[NSLevelIndicatorCell alloc] initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle]);
+    NSLevelIndicatorCell* cell = m_levelIndicator.get();
+
+    HTMLMeterElement* element = static_cast<HTMLMeterElement*>(renderMeter->node());
+    double value = element->value();
+
+    // Because NSLevelIndicatorCell does not support optimum-in-the-middle type coloring,
+    // we explicitly control the color instead giving low and high value to NSLevelIndicatorCell as is.
+    switch (element->gaugeRegion()) {
+    case HTMLMeterElement::GaugeRegionOptimum:
+        // Make meter the green
+        [cell setWarningValue:value + 1];
+        [cell setCriticalValue:value + 2];
+        break;
+    case HTMLMeterElement::GaugeRegionSuboptimal:
+        // Make the meter yellow
+        [cell setWarningValue:value - 1];
+        [cell setCriticalValue:value + 1];
+        break;
+    case HTMLMeterElement::GaugeRegionEvenLessGood:
+        // Make the meter red
+        [cell setWarningValue:value - 2];
+        [cell setCriticalValue:value - 1];
+        break;
+    }
+
+    [cell setLevelIndicatorStyle:levelIndicatorStyleFor(style->appearance())];
+    [cell setBaseWritingDirection:style->isLeftToRightDirection() ? NSWritingDirectionLeftToRight : NSWritingDirectionRightToLeft];
+    [cell setMinValue:element->min()];
+    [cell setMaxValue:element->max()];
+    RetainPtr<NSNumber> valueObject = [NSNumber numberWithDouble:value];
+    [cell setObjectValue:valueObject.get()];
+
+    return cell;
+}
+
+#endif
+
+#if ENABLE(PROGRESS_TAG)
+
+double RenderThemeMac::animationRepeatIntervalForProgressBar(RenderProgress*) const
+{
+    return progressAnimationFrameRate;
+}
+
+double RenderThemeMac::animationDurationForProgressBar(RenderProgress*) const
+{
+    return progressAnimationNumFrames * progressAnimationFrameRate;
+}
+
+void RenderThemeMac::adjustProgressBarStyle(CSSStyleSelector*, RenderStyle*, Element*) const
+{
+}
+
+bool RenderThemeMac::paintProgressBar(RenderObject* renderObject, const PaintInfo& paintInfo, const IntRect& rect)
+{
+    if (!renderObject->isProgress())
+        return true;
+
+    RenderProgress* renderProgress = toRenderProgress(renderObject);
+    HIThemeTrackDrawInfo trackInfo;
+    trackInfo.version = 0;
+    trackInfo.kind = renderProgress->position() < 0 ? kThemeLargeIndeterminateBar : kThemeLargeProgressBar;
+    trackInfo.bounds = IntRect(IntPoint(), rect.size());
+    trackInfo.min = 0;
+    trackInfo.max = numeric_limits<SInt32>::max();
+    trackInfo.value = lround(renderProgress->position() * nextafter(trackInfo.max, 0));
+    trackInfo.trackInfo.progress.phase = lround(renderProgress->animationProgress() * nextafter(progressAnimationNumFrames, 0));
+    trackInfo.attributes = kThemeTrackHorizontal;
+    trackInfo.enableState = isActive(renderObject) ? kThemeTrackActive : kThemeTrackInactive;
+    trackInfo.reserved = 0;
+    trackInfo.filler1 = 0;
+
+    OwnPtr<ImageBuffer> imageBuffer = ImageBuffer::create(rect.size());
+    if (!imageBuffer)
+        return true;
+
+    HIThemeDrawTrack(&trackInfo, 0, imageBuffer->context()->platformContext(), kHIThemeOrientationNormal);
+
+    paintInfo.context->save();
+
+    if (!renderProgress->style()->isLeftToRightDirection()) {
+        paintInfo.context->translate(2 * rect.x() + rect.width(), 0);
+        paintInfo.context->scale(FloatSize(-1, 1));
+    }
+    
+    paintInfo.context->drawImageBuffer(imageBuffer.get(), ColorSpaceDeviceRGB, rect.location());
+
+    paintInfo.context->restore();
+    return false;
+}    
+#endif
+
+const float baseFontSize = 11.0f;
+const float baseArrowHeight = 4.0f;
+const float baseArrowWidth = 5.0f;
+const float baseSpaceBetweenArrows = 2.0f;
+const int arrowPaddingLeft = 6;
+const int arrowPaddingRight = 6;
+const int paddingBeforeSeparator = 4;
+const int baseBorderRadius = 5;
+const int styledPopupPaddingLeft = 8;
+const int styledPopupPaddingTop = 1;
+const int styledPopupPaddingBottom = 2;
+
+static void TopGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
+{
+    static float dark[4] = { 1.0f, 1.0f, 1.0f, 0.4f };
+    static float light[4] = { 1.0f, 1.0f, 1.0f, 0.15f };
+    float a = inData[0];
+    int i = 0;
+    for (i = 0; i < 4; i++)
+        outData[i] = (1.0f - a) * dark[i] + a * light[i];
+}
+
+static void BottomGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
+{
+    static float dark[4] = { 1.0f, 1.0f, 1.0f, 0.0f };
+    static float light[4] = { 1.0f, 1.0f, 1.0f, 0.3f };
+    float a = inData[0];
+    int i = 0;
+    for (i = 0; i < 4; i++)
+        outData[i] = (1.0f - a) * dark[i] + a * light[i];
+}
+
+static void MainGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
+{
+    static float dark[4] = { 0.0f, 0.0f, 0.0f, 0.15f };
+    static float light[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
+    float a = inData[0];
+    int i = 0;
+    for (i = 0; i < 4; i++)
+        outData[i] = (1.0f - a) * dark[i] + a * light[i];
+}
+
+static void TrackGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
+{
+    static float dark[4] = { 0.0f, 0.0f, 0.0f, 0.678f };
+    static float light[4] = { 0.0f, 0.0f, 0.0f, 0.13f };
+    float a = inData[0];
+    int i = 0;
+    for (i = 0; i < 4; i++)
+        outData[i] = (1.0f - a) * dark[i] + a * light[i];
+}
+
+void RenderThemeMac::paintMenuListButtonGradients(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    if (r.isEmpty())
+        return;
+
+    CGContextRef context = paintInfo.context->platformContext();
+
+    paintInfo.context->save();
+
+    IntSize topLeftRadius;
+    IntSize topRightRadius;
+    IntSize bottomLeftRadius;
+    IntSize bottomRightRadius;
+
+    o->style()->getBorderRadiiForRect(r, topLeftRadius, topRightRadius, bottomLeftRadius, bottomRightRadius);
+
+    int radius = topLeftRadius.width();
+
+    CGColorSpaceRef cspace = deviceRGBColorSpaceRef();
+
+    FloatRect topGradient(r.x(), r.y(), r.width(), r.height() / 2.0f);
+    struct CGFunctionCallbacks topCallbacks = { 0, TopGradientInterpolate, NULL };
+    RetainPtr<CGFunctionRef> topFunction(AdoptCF, CGFunctionCreate(NULL, 1, NULL, 4, NULL, &topCallbacks));
+    RetainPtr<CGShadingRef> topShading(AdoptCF, CGShadingCreateAxial(cspace, CGPointMake(topGradient.x(), topGradient.y()), CGPointMake(topGradient.x(), topGradient.bottom()), topFunction.get(), false, false));
+
+    FloatRect bottomGradient(r.x() + radius, r.y() + r.height() / 2.0f, r.width() - 2.0f * radius, r.height() / 2.0f);
+    struct CGFunctionCallbacks bottomCallbacks = { 0, BottomGradientInterpolate, NULL };
+    RetainPtr<CGFunctionRef> bottomFunction(AdoptCF, CGFunctionCreate(NULL, 1, NULL, 4, NULL, &bottomCallbacks));
+    RetainPtr<CGShadingRef> bottomShading(AdoptCF, CGShadingCreateAxial(cspace, CGPointMake(bottomGradient.x(),  bottomGradient.y()), CGPointMake(bottomGradient.x(), bottomGradient.bottom()), bottomFunction.get(), false, false));
+
+    struct CGFunctionCallbacks mainCallbacks = { 0, MainGradientInterpolate, NULL };
+    RetainPtr<CGFunctionRef> mainFunction(AdoptCF, CGFunctionCreate(NULL, 1, NULL, 4, NULL, &mainCallbacks));
+    RetainPtr<CGShadingRef> mainShading(AdoptCF, CGShadingCreateAxial(cspace, CGPointMake(r.x(),  r.y()), CGPointMake(r.x(), r.bottom()), mainFunction.get(), false, false));
+
+    RetainPtr<CGShadingRef> leftShading(AdoptCF, CGShadingCreateAxial(cspace, CGPointMake(r.x(),  r.y()), CGPointMake(r.x() + radius, r.y()), mainFunction.get(), false, false));
+
+    RetainPtr<CGShadingRef> rightShading(AdoptCF, CGShadingCreateAxial(cspace, CGPointMake(r.right(),  r.y()), CGPointMake(r.right() - radius, r.y()), mainFunction.get(), false, false));
+    paintInfo.context->save();
+    CGContextClipToRect(context, r);
+    paintInfo.context->addRoundedRectClip(r, topLeftRadius, topRightRadius, bottomLeftRadius, bottomRightRadius);
+    CGContextDrawShading(context, mainShading.get());
+    paintInfo.context->restore();
+
+    paintInfo.context->save();
+    CGContextClipToRect(context, topGradient);
+    paintInfo.context->addRoundedRectClip(enclosingIntRect(topGradient), topLeftRadius, topRightRadius, IntSize(), IntSize());
+    CGContextDrawShading(context, topShading.get());
+    paintInfo.context->restore();
+
+    if (!bottomGradient.isEmpty()) {
+        paintInfo.context->save();
+        CGContextClipToRect(context, bottomGradient);
+        paintInfo.context->addRoundedRectClip(enclosingIntRect(bottomGradient), IntSize(), IntSize(), bottomLeftRadius, bottomRightRadius);
+        CGContextDrawShading(context, bottomShading.get());
+        paintInfo.context->restore();
+    }
+
+    paintInfo.context->save();
+    CGContextClipToRect(context, r);
+    paintInfo.context->addRoundedRectClip(r, topLeftRadius, topRightRadius, bottomLeftRadius, bottomRightRadius);
+    CGContextDrawShading(context, leftShading.get());
+    CGContextDrawShading(context, rightShading.get());
+    paintInfo.context->restore();
+
+    paintInfo.context->restore();
+}
+
+bool RenderThemeMac::paintMenuListButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    IntRect bounds = IntRect(r.x() + o->style()->borderLeftWidth(),
+                             r.y() + o->style()->borderTopWidth(),
+                             r.width() - o->style()->borderLeftWidth() - o->style()->borderRightWidth(),
+                             r.height() - o->style()->borderTopWidth() - o->style()->borderBottomWidth());
+    // Draw the gradients to give the styled popup menu a button appearance
+    paintMenuListButtonGradients(o, paintInfo, bounds);
+
+    // Since we actually know the size of the control here, we restrict the font scale to make sure the arrows will fit vertically in the bounds
+    float fontScale = min(o->style()->fontSize() / baseFontSize, bounds.height() / (baseArrowHeight * 2 + baseSpaceBetweenArrows));
+    float centerY = bounds.y() + bounds.height() / 2.0f;
+    float arrowHeight = baseArrowHeight * fontScale;
+    float arrowWidth = baseArrowWidth * fontScale;
+    float leftEdge = bounds.right() - arrowPaddingRight * o->style()->effectiveZoom() - arrowWidth;
+    float spaceBetweenArrows = baseSpaceBetweenArrows * fontScale;
+
+    if (bounds.width() < arrowWidth + arrowPaddingLeft * o->style()->effectiveZoom())
+        return false;
+    
+    paintInfo.context->save();
+
+    paintInfo.context->setFillColor(o->style()->visitedDependentColor(CSSPropertyColor), o->style()->colorSpace());
+    paintInfo.context->setStrokeStyle(NoStroke);
+
+    FloatPoint arrow1[3];
+    arrow1[0] = FloatPoint(leftEdge, centerY - spaceBetweenArrows / 2.0f);
+    arrow1[1] = FloatPoint(leftEdge + arrowWidth, centerY - spaceBetweenArrows / 2.0f);
+    arrow1[2] = FloatPoint(leftEdge + arrowWidth / 2.0f, centerY - spaceBetweenArrows / 2.0f - arrowHeight);
+
+    // Draw the top arrow
+    paintInfo.context->drawConvexPolygon(3, arrow1, true);
+
+    FloatPoint arrow2[3];
+    arrow2[0] = FloatPoint(leftEdge, centerY + spaceBetweenArrows / 2.0f);
+    arrow2[1] = FloatPoint(leftEdge + arrowWidth, centerY + spaceBetweenArrows / 2.0f);
+    arrow2[2] = FloatPoint(leftEdge + arrowWidth / 2.0f, centerY + spaceBetweenArrows / 2.0f + arrowHeight);
+
+    // Draw the bottom arrow
+    paintInfo.context->drawConvexPolygon(3, arrow2, true);
+
+    Color leftSeparatorColor(0, 0, 0, 40);
+    Color rightSeparatorColor(255, 255, 255, 40);
+
+    // FIXME: Should the separator thickness and space be scaled up by fontScale?
+    int separatorSpace = 2; // Deliberately ignores zoom since it looks nicer if it stays thin.
+    int leftEdgeOfSeparator = static_cast<int>(leftEdge - arrowPaddingLeft * o->style()->effectiveZoom()); // FIXME: Round?
+
+    // Draw the separator to the left of the arrows
+    paintInfo.context->setStrokeThickness(1.0f); // Deliberately ignores zoom since it looks nicer if it stays thin.
+    paintInfo.context->setStrokeStyle(SolidStroke);
+    paintInfo.context->setStrokeColor(leftSeparatorColor, ColorSpaceDeviceRGB);
+    paintInfo.context->drawLine(IntPoint(leftEdgeOfSeparator, bounds.y()),
+                                IntPoint(leftEdgeOfSeparator, bounds.bottom()));
+
+    paintInfo.context->setStrokeColor(rightSeparatorColor, ColorSpaceDeviceRGB);
+    paintInfo.context->drawLine(IntPoint(leftEdgeOfSeparator + separatorSpace, bounds.y()),
+                                IntPoint(leftEdgeOfSeparator + separatorSpace, bounds.bottom()));
+
+    paintInfo.context->restore();
+    return false;
+}
+
+static const IntSize* menuListButtonSizes()
+{
+    static const IntSize sizes[3] = { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) };
+    return sizes;
+}
+
+void RenderThemeMac::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.
+    style->setColor(e && e->isEnabledFormControl() ? 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 RenderThemeMac::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 RenderThemeMac::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 RenderThemeMac::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 RenderThemeMac::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 RenderThemeMac::adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle* style, Element*) 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 RenderThemeMac::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.
+    updateActiveState(popupButton, o);
+    updateCheckedState(popupButton, o);
+    updateEnabledState(popupButton, o);
+    updatePressedState(popupButton, o);
+    updateFocusedState(popupButton, o);
+}
+
+const IntSize* RenderThemeMac::menuListSizes() const
+{
+    static const IntSize sizes[3] = { IntSize(9, 0), IntSize(5, 0), IntSize(0, 0) };
+    return sizes;
+}
+
+int RenderThemeMac::minimumMenuListSize(RenderStyle* style) const
+{
+    return sizeForSystemFont(style, menuListSizes()).width();
+}
+
+const int trackWidth = 5;
+const int trackRadius = 2;
+
+void RenderThemeMac::adjustSliderTrackStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    style->setBoxShadow(0);
+}
+
+bool RenderThemeMac::paintSliderTrack(RenderObject* o, const 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();
+    CGColorSpaceRef cspace = deviceRGBColorSpaceRef();
+
+    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, CGPointMake(bounds.x(),  bounds.bottom()), CGPointMake(bounds.right(), bounds.bottom()), mainFunction.get(), false, false));
+    else
+        mainShading.adoptCF(CGShadingCreateAxial(cspace, 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 RenderThemeMac::adjustSliderThumbStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    style->setBoxShadow(0);
+}
+
+const float verticalSliderHeightPadding = 0.1f;
+
+bool RenderThemeMac::paintSliderThumb(RenderObject* o, const 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.
+    updateActiveState(sliderThumbCell, o->parent());
+    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 = toRenderSlider(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:unzoomedRect inView:documentViewFor(o)];
+    [sliderThumbCell setControlView:nil];
+
+    paintInfo.context->restore();
+
+    return false;
+}
+
+bool RenderThemeMac::paintSearchField(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    NSSearchFieldCell* search = this->search();
+
+    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(unzoomedRect) inView:documentViewFor(o)];
+#ifdef BUILDING_ON_TIGER
+    if ([search showsFirstResponder])
+        wkDrawTextFieldCellFocusRing(search, NSRect(unzoomedRect));
+#endif
+
+    [search setControlView:nil];
+    [search resetSearchButtonCell];
+
+    paintInfo.context->restore();
+
+    return false;
+}
+
+void RenderThemeMac::setSearchCellState(RenderObject* o, const IntRect&)
+{
+    NSSearchFieldCell* search = this->search();
+
+    [search setControlSize:controlSizeForFont(o->style())];
+
+    // Update the various states we respond to.
+    updateActiveState(search, o);
+    updateEnabledState(search, o);
+    updateFocusedState(search, o);
+}
+
+const IntSize* RenderThemeMac::searchFieldSizes() const
+{
+    static const IntSize sizes[3] = { IntSize(0, 22), IntSize(0, 19), IntSize(0, 17) };
+    return sizes;
+}
+
+void RenderThemeMac::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 RenderThemeMac::adjustSearchFieldStyle(CSSStyleSelector* selector, RenderStyle* style, Element*) 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->setBorderTopStyle(INSET);    
+    
+    // Override height.
+    style->setHeight(Length(Auto));
+    setSearchFieldSize(style);
+    
+    // Override padding size to match AppKit text positioning.
+    const int padding = 1 * style->effectiveZoom();
+    style->setPaddingLeft(Length(padding, Fixed));
+    style->setPaddingRight(Length(padding, Fixed));
+    style->setPaddingTop(Length(padding, Fixed));
+    style->setPaddingBottom(Length(padding, Fixed));
+    
+    NSControlSize controlSize = controlSizeForFont(style);
+    setFontFromControlSize(selector, style, controlSize);
+
+    style->setBoxShadow(0);
+}
+
+bool RenderThemeMac::paintSearchFieldCancelButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* input = o->node()->shadowAncestorNode();
+    if (!input->renderer()->isBox())
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    setSearchCellState(input->renderer(), r);
+
+    NSSearchFieldCell* search = this->search();
+
+    updateActiveState([search cancelButtonCell], o);
+    updatePressedState([search cancelButtonCell], o);
+
+    paintInfo.context->save();
+
+    float zoomLevel = o->style()->effectiveZoom();
+
+    FloatRect localBounds = [search cancelButtonRectForBounds:NSRect(input->renderBox()->borderBoxRect())];
+
+#if ENABLE(INPUT_SPEECH)
+    // Take care of cases where the cancel button was not aligned with the right border of the input element (for e.g.
+    // when speech input is enabled for the input element.
+    IntRect absBoundingBox = input->renderer()->absoluteBoundingBoxRect();
+    int absRight = absBoundingBox.x() + absBoundingBox.width() - input->renderBox()->paddingRight() - input->renderBox()->borderRight();
+    int spaceToRightOfCancelButton = absRight - (r.x() + r.width());
+    localBounds.setX(localBounds.x() - spaceToRightOfCancelButton);
+#endif
+
+    localBounds = convertToPaintingRect(input->renderer(), o, localBounds, r);
+
+    FloatRect unzoomedRect(localBounds);
+    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());
+    }
+
+    [[search cancelButtonCell] drawWithFrame:unzoomedRect inView:documentViewFor(o)];
+    [[search cancelButtonCell] setControlView:nil];
+
+    paintInfo.context->restore();
+    return false;
+}
+
+const IntSize* RenderThemeMac::cancelButtonSizes() const
+{
+    static const IntSize sizes[3] = { IntSize(16, 13), IntSize(13, 11), IntSize(13, 9) };
+    return sizes;
+}
+
+void RenderThemeMac::adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    IntSize size = sizeForSystemFont(style, cancelButtonSizes());
+    style->setWidth(Length(size.width(), Fixed));
+    style->setHeight(Length(size.height(), Fixed));
+    style->setBoxShadow(0);
+}
+
+const IntSize* RenderThemeMac::resultsButtonSizes() const
+{
+    static const IntSize sizes[3] = { IntSize(19, 13), IntSize(17, 11), IntSize(17, 9) };
+    return sizes;
+}
+
+const int emptyResultsOffset = 9;
+void RenderThemeMac::adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    IntSize size = sizeForSystemFont(style, resultsButtonSizes());
+    style->setWidth(Length(size.width() - emptyResultsOffset, Fixed));
+    style->setHeight(Length(size.height(), Fixed));
+    style->setBoxShadow(0);
+}
+
+bool RenderThemeMac::paintSearchFieldDecoration(RenderObject*, const PaintInfo&, const IntRect&)
+{
+    return false;
+}
+
+void RenderThemeMac::adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    IntSize size = sizeForSystemFont(style, resultsButtonSizes());
+    style->setWidth(Length(size.width(), Fixed));
+    style->setHeight(Length(size.height(), Fixed));
+    style->setBoxShadow(0);
+}
+
+bool RenderThemeMac::paintSearchFieldResultsDecoration(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* input = o->node()->shadowAncestorNode();
+    if (!input->renderer()->isBox())
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    setSearchCellState(input->renderer(), r);
+
+    NSSearchFieldCell* search = this->search();
+
+    if ([search searchMenuTemplate] != nil)
+        [search setSearchMenuTemplate:nil];
+
+    updateActiveState([search searchButtonCell], o);
+
+    FloatRect localBounds = [search searchButtonRectForBounds:NSRect(input->renderBox()->borderBoxRect())];
+    localBounds = convertToPaintingRect(input->renderer(), o, localBounds, r);
+
+    [[search searchButtonCell] drawWithFrame:localBounds inView:documentViewFor(o)];
+    [[search searchButtonCell] setControlView:nil];
+    return false;
+}
+
+const int resultsArrowWidth = 5;
+void RenderThemeMac::adjustSearchFieldResultsButtonStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
+{
+    IntSize size = sizeForSystemFont(style, resultsButtonSizes());
+    style->setWidth(Length(size.width() + resultsArrowWidth, Fixed));
+    style->setHeight(Length(size.height(), Fixed));
+    style->setBoxShadow(0);
+}
+
+bool RenderThemeMac::paintSearchFieldResultsButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* input = o->node()->shadowAncestorNode();
+    if (!input->renderer()->isBox())
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    setSearchCellState(input->renderer(), r);
+
+    NSSearchFieldCell* search = this->search();
+
+    updateActiveState([search searchButtonCell], o);
+
+    if (![search searchMenuTemplate])
+        [search setSearchMenuTemplate:searchMenuTemplate()];
+
+    paintInfo.context->save();
+
+    float zoomLevel = o->style()->effectiveZoom();
+
+    FloatRect localBounds = [search searchButtonRectForBounds:NSRect(input->renderBox()->borderBoxRect())];
+    localBounds = convertToPaintingRect(input->renderer(), o, localBounds, r);
+    
+    IntRect unzoomedRect(localBounds);
+    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());
+    }
+
+    [[search searchButtonCell] drawWithFrame:unzoomedRect inView:documentViewFor(o)];
+    [[search searchButtonCell] setControlView:nil];
+    
+    paintInfo.context->restore();
+
+    return false;
+}
+
+#if ENABLE(VIDEO)
+typedef enum {
+    MediaControllerThemeClassic   = 1,
+    MediaControllerThemeQuickTime = 2
+} MediaControllerThemeStyle;
+
+static int mediaControllerTheme()
+{
+    static int controllerTheme = -1;
+    
+    if (controllerTheme != -1)
+        return controllerTheme;
+
+    controllerTheme = MediaControllerThemeClassic;
+
+    Boolean validKey;
+    Boolean useQTMediaUIPref = CFPreferencesGetAppBooleanValue(CFSTR("UseQuickTimeMediaUI"), CFSTR("com.apple.WebCore"), &validKey);
+
+#if !defined(BUILDING_ON_TIGER)
+    if (validKey && !useQTMediaUIPref)
+        return controllerTheme;
+#else
+    if (!validKey || !useQTMediaUIPref)
+        return controllerTheme;
+#endif
+
+    controllerTheme = MediaControllerThemeQuickTime;
+    return controllerTheme;
+}
+#endif
+
+const int sliderThumbWidth = 15;
+const int sliderThumbHeight = 15;
+const int mediaSliderThumbWidth = 13;
+const int mediaSliderThumbHeight = 14;
+
+void RenderThemeMac::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));
+    } 
+
+#if ENABLE(VIDEO)
+    adjustMediaSliderThumbSize(o);
+#endif
+}
+
+#if ENABLE(VIDEO)
+
+void RenderThemeMac::adjustMediaSliderThumbSize(RenderObject* o) const
+{
+    ControlPart part = o->style()->appearance();
+
+    if (part == MediaSliderThumbPart || part == MediaVolumeSliderThumbPart) {
+        int width = mediaSliderThumbWidth;
+        int height = mediaSliderThumbHeight;
+        
+        if (mediaControllerTheme() == MediaControllerThemeQuickTime) {
+            CGSize  size;
+            
+            wkMeasureMediaUIPart(part == MediaSliderThumbPart ? MediaSliderThumb : MediaVolumeSliderThumb, MediaControllerThemeQuickTime, NULL, &size);
+            width = size.width;
+            height = size.height;
+        }
+
+        float zoomLevel = o->style()->effectiveZoom();
+        o->style()->setWidth(Length(static_cast<int>(width * zoomLevel), Fixed));
+        o->style()->setHeight(Length(static_cast<int>(height * zoomLevel), Fixed));
+    }
+}
+
+enum WKMediaControllerThemeState { 
+    MediaUIPartDisabledFlag = 1 << 0,
+    MediaUIPartPressedFlag = 1 << 1,
+    MediaUIPartDrawEndCapsFlag = 1 << 3,
+};
+
+static unsigned getMediaUIPartStateFlags(Node* node)
+{
+    unsigned flags = 0;
+
+    if (node->disabled())
+        flags |= MediaUIPartDisabledFlag;
+    else if (node->active())
+        flags |= MediaUIPartPressedFlag;
+    return flags;
+}
+
+// Utility to scale when the UI part are not scaled by wkDrawMediaUIPart
+static FloatRect getUnzoomedRectAndAdjustCurrentContext(RenderObject* o, const PaintInfo& paintInfo, const IntRect &originalRect)
+{
+    float zoomLevel = o->style()->effectiveZoom();
+    FloatRect unzoomedRect(originalRect);
+    if (zoomLevel != 1.0f && mediaControllerTheme() == MediaControllerThemeQuickTime) {
+        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());
+    }
+    return unzoomedRect;
+}
+
+
+bool RenderThemeMac::paintMediaFullscreenButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaFullscreenButton, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+
+bool RenderThemeMac::paintMediaMuteButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    Node* mediaNode = node ? node->shadowAncestorNode() : 0;
+    if (!mediaNode || (!mediaNode->hasTagName(videoTag) && !mediaNode->hasTagName(audioTag)))
+        return false;
+
+    if (MediaControlMuteButtonElement* btn = static_cast<MediaControlMuteButtonElement*>(node)) {
+        LocalCurrentGraphicsContext localContext(paintInfo.context);
+        wkDrawMediaUIPart(btn->displayType(), mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+
+    }
+    return false;
+}
+
+bool RenderThemeMac::paintMediaPlayButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    Node* mediaNode = node ? node->shadowAncestorNode() : 0;
+    if (!mediaNode || (!mediaNode->hasTagName(videoTag) && !mediaNode->hasTagName(audioTag)))
+        return false;
+
+    if (MediaControlPlayButtonElement* btn = static_cast<MediaControlPlayButtonElement*>(node)) {
+        LocalCurrentGraphicsContext localContext(paintInfo.context);
+        wkDrawMediaUIPart(btn->displayType(), mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    }
+    return false;
+}
+
+bool RenderThemeMac::paintMediaSeekBackButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaSeekBackButton, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+
+bool RenderThemeMac::paintMediaSeekForwardButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaSeekForwardButton, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+
+bool RenderThemeMac::paintMediaSliderTrack(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    Node* mediaNode = node ? node->shadowAncestorNode() : 0;
+    if (!mediaNode || (!mediaNode->hasTagName(videoTag) && !mediaNode->hasTagName(audioTag)))
+        return false;
+
+    HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(mediaNode);
+    if (!mediaElement)
+        return false;
+
+    RefPtr<TimeRanges> timeRanges = mediaElement->buffered();
+    ExceptionCode ignoredException;
+    float timeLoaded = timeRanges->length() ? timeRanges->end(0, ignoredException) : 0;
+    float currentTime = mediaElement->currentTime();
+    float duration = mediaElement->duration();
+    if (isnan(duration))
+        duration = 0;
+ 
+    paintInfo.context->save();
+    FloatRect unzoomedRect = getUnzoomedRectAndAdjustCurrentContext(o, paintInfo, r);
+    wkDrawMediaSliderTrack(mediaControllerTheme(), paintInfo.context->platformContext(), unzoomedRect, 
+        timeLoaded, currentTime, duration, getMediaUIPartStateFlags(node));
+    
+    paintInfo.context->restore();
+    return false;
+}
+
+bool RenderThemeMac::paintMediaSliderThumb(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaSliderThumb, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+    
+bool RenderThemeMac::paintMediaRewindButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+    
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaRewindButton, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+
+bool RenderThemeMac::paintMediaReturnToRealtimeButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+    
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaReturnToRealtimeButton, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+
+bool RenderThemeMac::paintMediaToggleClosedCaptionsButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    HTMLInputElement* node = static_cast<HTMLInputElement*>(o->node());
+    if (!node)
+        return false;
+    
+    MediaControlToggleClosedCaptionsButtonElement* btn = static_cast<MediaControlToggleClosedCaptionsButtonElement*>(node);
+    if (!btn)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(btn->displayType(), mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+
+    return false;
+}
+ 
+bool RenderThemeMac::paintMediaControlsBackground(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaTimelineContainer, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+
+bool RenderThemeMac::paintMediaCurrentTime(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    paintInfo.context->save();
+    FloatRect unzoomedRect = getUnzoomedRectAndAdjustCurrentContext(o, paintInfo, r);
+    wkDrawMediaUIPart(MediaCurrentTimeDisplay, mediaControllerTheme(), paintInfo.context->platformContext(), unzoomedRect, getMediaUIPartStateFlags(node));
+    paintInfo.context->restore();
+    return false;
+}
+
+bool RenderThemeMac::paintMediaTimeRemaining(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    paintInfo.context->save();
+    FloatRect unzoomedRect = getUnzoomedRectAndAdjustCurrentContext(o, paintInfo, r);
+    wkDrawMediaUIPart(MediaTimeRemainingDisplay, mediaControllerTheme(), paintInfo.context->platformContext(), unzoomedRect, getMediaUIPartStateFlags(node));
+    paintInfo.context->restore();
+    return false;
+}
+
+bool RenderThemeMac::paintMediaVolumeSliderContainer(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaVolumeSliderContainer, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+
+bool RenderThemeMac::paintMediaVolumeSliderTrack(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaVolumeSlider, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+    
+bool RenderThemeMac::paintMediaVolumeSliderThumb(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
+{
+    Node* node = o->node();
+    if (!node)
+        return false;
+
+    LocalCurrentGraphicsContext localContext(paintInfo.context);
+    wkDrawMediaUIPart(MediaVolumeSliderThumb, mediaControllerTheme(), paintInfo.context->platformContext(), r, getMediaUIPartStateFlags(node));
+    return false;
+}
+    
+String RenderThemeMac::extraMediaControlsStyleSheet()
+{
+#if PLATFORM(MAC)
+    if (mediaControllerTheme() == MediaControllerThemeQuickTime)
+        return String(mediaControlsQuickTimeUserAgentStyleSheet, sizeof(mediaControlsQuickTimeUserAgentStyleSheet));
+
+    return String();
+#else
+    ASSERT_NOT_REACHED();
+    return String();
+#endif
+}
+
+bool RenderThemeMac::shouldRenderMediaControlPart(ControlPart part, Element* element)
+{
+    switch (part) {
+    case MediaVolumeSliderContainerPart:
+    case MediaVolumeSliderPart:
+    case MediaVolumeSliderMuteButtonPart:
+    case MediaVolumeSliderThumbPart: {
+        HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(element);
+        return mediaControllerTheme() == MediaControllerThemeQuickTime && mediaElement->hasAudio();
+    }
+    case MediaToggleClosedCaptionsButtonPart:
+        // We rely on QTKit to render captions so don't enable the button unless it will be able to do so.
+        if (!element->hasTagName(videoTag))
+            return false;
+    default:
+        break;
+    }
+
+    return RenderTheme::shouldRenderMediaControlPart(part, element);
+}
+
+IntPoint RenderThemeMac::volumeSliderOffsetFromMuteButton(Node* muteButton, const IntSize& size) const
+{
+    static const int xOffset = -4;
+    static const int yOffset = 5;
+
+    float zoomLevel = muteButton->renderer()->style()->effectiveZoom();
+    int y = yOffset * zoomLevel + muteButton->renderBox()->offsetHeight() - size.height();
+    FloatPoint absPoint = muteButton->renderer()->localToAbsolute(FloatPoint(muteButton->renderBox()->offsetLeft(), y), true, true);
+    if (absPoint.y() < 0)
+        y = muteButton->renderBox()->height();
+    return IntPoint(xOffset * zoomLevel, y);
+}
+
+#endif // ENABLE(VIDEO)
+
+NSPopUpButtonCell* RenderThemeMac::popupButton() const
+{
+    if (!m_popupButton) {
+        m_popupButton.adoptNS([[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO]);
+        [m_popupButton.get() setUsesItemFromMenu:NO];
+        [m_popupButton.get() setFocusRingType:NSFocusRingTypeExterior];
+    }
+    
+    return m_popupButton.get();
+}
+
+NSSearchFieldCell* RenderThemeMac::search() const
+{
+    if (!m_search) {
+        m_search.adoptNS([[NSSearchFieldCell alloc] initTextCell:@""]);
+        [m_search.get() setBezelStyle:NSTextFieldRoundedBezel];
+        [m_search.get() setBezeled:YES];
+        [m_search.get() setEditable:YES];
+        [m_search.get() setFocusRingType:NSFocusRingTypeExterior];
+    }
+
+    return m_search.get();
+}
+
+NSMenu* RenderThemeMac::searchMenuTemplate() const
+{
+    if (!m_searchMenuTemplate)
+        m_searchMenuTemplate.adoptNS([[NSMenu alloc] initWithTitle:@""]);
+
+    return m_searchMenuTemplate.get();
+}
+
+NSSliderCell* RenderThemeMac::sliderThumbHorizontal() const
+{
+    if (!m_sliderThumbHorizontal) {
+        m_sliderThumbHorizontal.adoptNS([[NSSliderCell alloc] init]);
+        [m_sliderThumbHorizontal.get() setTitle:nil];
+        [m_sliderThumbHorizontal.get() setSliderType:NSLinearSlider];
+        [m_sliderThumbHorizontal.get() setControlSize:NSSmallControlSize];
+        [m_sliderThumbHorizontal.get() setFocusRingType:NSFocusRingTypeExterior];
+    }
+    
+    return m_sliderThumbHorizontal.get();
+}
+
+NSSliderCell* RenderThemeMac::sliderThumbVertical() const
+{
+    if (!m_sliderThumbVertical) {
+        m_sliderThumbVertical.adoptNS([[NSSliderCell alloc] init]);
+        [m_sliderThumbVertical.get() setTitle:nil];
+        [m_sliderThumbVertical.get() setSliderType:NSLinearSlider];
+        [m_sliderThumbVertical.get() setControlSize:NSSmallControlSize];
+        [m_sliderThumbVertical.get() setFocusRingType:NSFocusRingTypeExterior];
+    }
+    
+    return m_sliderThumbVertical.get();
+}
+
+} // namespace WebCore