Source/WebCore/rendering/RenderThemeMac.mm

   1 /*
   2  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public License
  15  * along with this library; see the file COPYING.LIB.  If not, write to
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  */
  19 #if !PLATFORM(IOS)
  20
  21 #import "config.h"
  22 #import "RenderThemeMac.h"
  23
  24 #import "BitmapImage.h"
  25 #import "CSSValueKeywords.h"
  26 #import "CSSValueList.h"
  27 #import "ColorMac.h"
  28 #import "Document.h"
  29 #import "Element.h"
  30 #import "ExceptionCodePlaceholder.h"
  31 #import "FileList.h"
  32 #import "FloatRoundedRect.h"
  33 #import "FocusController.h"
  34 #import "Frame.h"
  35 #import "FrameView.h"
  36 #import "GraphicsContextCG.h"
  37 #import "HTMLAudioElement.h"
  38 #import "HTMLInputElement.h"
  39 #import "HTMLMediaElement.h"
  40 #import "HTMLNames.h"
  41 #import "HTMLPlugInImageElement.h"
  42 #import "Image.h"
  43 #import "ImageBuffer.h"
  44 #import "LocalCurrentGraphicsContext.h"
  45 #import "LocalizedStrings.h"
  46 #import "MediaControlElements.h"
  47 #import "Page.h"
  48 #import "PaintInfo.h"
  49 #import "RenderLayer.h"
  50 #import "RenderMedia.h"
  51 #import "RenderMediaControlElements.h"
  52 #import "RenderMediaControls.h"
  53 #import "RenderProgress.h"
  54 #import "RenderSlider.h"
  55 #import "RenderSnapshottedPlugIn.h"
  56 #import "RenderView.h"
  57 #import "SharedBuffer.h"
  58 #import "StringTruncator.h"
  59 #import "StyleResolver.h"
  60 #import "ThemeMac.h"
  61 #import "TimeRanges.h"
  62 #import "UserAgentScripts.h"
  63 #import "UserAgentStyleSheets.h"
  64 #import "WebCoreSystemInterface.h"
  65 #import <wtf/RetainPtr.h>
  66 #import <wtf/RetainPtr.h>
  67 #import <wtf/StdLibExtras.h>
  68 #import <wtf/text/StringBuilder.h>
  69 #import <Carbon/Carbon.h>
  70 #import <Cocoa/Cocoa.h>
  71 #import <math.h>
  72
  73 #if ENABLE(METER_ELEMENT)
  74 #import "RenderMeter.h"
  75 #import "HTMLMeterElement.h"
  76 #endif
  77
  78 #if defined(__LP64__) && __LP64__
  79 #define HAVE_APPKIT_SERVICE_CONTROLS_SUPPORT 1
  80 #else
  81 #define HAVE_APPKIT_SERVICE_CONTROLS_SUPPORT 0
  82 #endif
  83
  84 #if ENABLE(SERVICE_CONTROLS) && HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
  85
  86 #if __has_include(<AppKit/AppKitDefines_Private.h>)
  87 #import <AppKit/AppKitDefines_Private.h>
  88 #else
  89 #define APPKIT_PRIVATE_CLASS
  90 #endif
  91
  92 #if __has_include(<AppKit/NSSharingService_Private.h>)
  93 #import <AppKit/NSSharingService_Private.h>
  94 #else
  95 typedef enum {
  96     NSSharingServicePickerStyleRollover = 1
  97 } NSSharingServicePickerStyle;
  98 #endif
  99
 100 #if __has_include(<AppKit/NSServicesRolloverButtonCell.h>)
 101 #import <AppKit/NSServicesRolloverButtonCell.h>
 102 #else
 103 @interface NSServicesRolloverButtonCell : NSButtonCell
 104 @end
 105 #endif
 106
 107 @interface NSServicesRolloverButtonCell (Details)
 108 + (NSServicesRolloverButtonCell *)serviceRolloverButtonCellForStyle:(NSSharingServicePickerStyle)style;
 109 - (NSRect)rectForBounds:(NSRect)bounds preferredEdge:(NSRectEdge)preferredEdge;
 110 @end
 111
 112 #endif // ENABLE(SERVICE_CONTROLS)
 113
 114 // The methods in this file are specific to the Mac OS X platform.
 115
 116 // FIXME: The platform-independent code in this class should be factored out and merged with RenderThemeSafari.
 117
 118 // We estimate the animation rate of a Mac OS X progress bar is 33 fps.
 119 // Hard code the value here because we haven't found API for it.
 120 const double progressAnimationFrameRate = 0.033;
 121
 122 // Mac OS X progress bar animation seems to have 256 frames.
 123 const double progressAnimationNumFrames = 256;
 124
 125 @interface WebCoreRenderThemeNotificationObserver : NSObject
 126 {
 127     WebCore::RenderTheme *_theme;
 128 }
 129
 130 - (id)initWithTheme:(WebCore::RenderTheme *)theme;
 131 - (void)systemColorsDidChange:(NSNotification *)notification;
 132
 133 @end
 134
 135 @implementation WebCoreRenderThemeNotificationObserver
 136
 137 - (id)initWithTheme:(WebCore::RenderTheme *)theme
 138 {
 139     if (!(self = [super init]))
 140         return nil;
 141
 142     _theme = theme;
 143     return self;
 144 }
 145
 146 - (void)systemColorsDidChange:(NSNotification *)unusedNotification
 147 {
 148     ASSERT_UNUSED(unusedNotification, [[unusedNotification name] isEqualToString:NSSystemColorsDidChangeNotification]);
 149     _theme->platformColorsDidChange();
 150 }
 151
 152 @end
 153
 154 @interface NSTextFieldCell (WKDetails)
 155 - (CFDictionaryRef)_coreUIDrawOptionsWithFrame:(NSRect)cellFrame inView:(NSView *)controlView includeFocus:(BOOL)includeFocus;
 156 @end
 157
 158
 159 @interface WebCoreTextFieldCell : NSTextFieldCell
 160 - (CFDictionaryRef)_coreUIDrawOptionsWithFrame:(NSRect)cellFrame inView:(NSView *)controlView includeFocus:(BOOL)includeFocus;
 161 @end
 162
 163 @implementation WebCoreTextFieldCell
 164 - (CFDictionaryRef)_coreUIDrawOptionsWithFrame:(NSRect)cellFrame inView:(NSView *)controlView includeFocus:(BOOL)includeFocus
 165 {
 166     // FIXME: This is a post-Lion-only workaround for <rdar://problem/11385461>. When that bug is resolved, we should remove this code.
 167     CFMutableDictionaryRef coreUIDrawOptions = CFDictionaryCreateMutableCopy(NULL, 0, [super _coreUIDrawOptionsWithFrame:cellFrame inView:controlView includeFocus:includeFocus]);
 168     CFDictionarySetValue(coreUIDrawOptions, @"borders only", kCFBooleanTrue);
 169     return (CFDictionaryRef)[NSMakeCollectable(coreUIDrawOptions) autorelease];
 170 }
 171 @end
 172
 173 @interface WebCoreRenderThemeBundle : NSObject
 174 @end
 175
 176 @implementation WebCoreRenderThemeBundle
 177 @end
 178
 179 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
 180 @interface NSSearchFieldCell(Details)
 181 @property (getter=isCenteredLook) BOOL centeredLook;
 182 @end
 183 #endif
 184
 185 namespace WebCore {
 186
 187 using namespace HTMLNames;
 188
 189 enum {
 190     topMargin,
 191     rightMargin,
 192     bottomMargin,
 193     leftMargin
 194 };
 195
 196 enum {
 197     topPadding,
 198     rightPadding,
 199     bottomPadding,
 200     leftPadding
 201 };
 202
 203 PassRefPtr<RenderTheme> RenderTheme::themeForPage(Page*)
 204 {
 205     static RenderTheme* rt = RenderThemeMac::create().leakRef();
 206     return rt;
 207 }
 208
 209 PassRefPtr<RenderTheme> RenderThemeMac::create()
 210 {
 211     return adoptRef(new RenderThemeMac);
 212 }
 213
 214 RenderThemeMac::RenderThemeMac()
 215     : m_isSliderThumbHorizontalPressed(false)
 216     , m_isSliderThumbVerticalPressed(false)
 217     , m_notificationObserver(adoptNS([[WebCoreRenderThemeNotificationObserver alloc] initWithTheme:this]))
 218 {
 219     [[NSNotificationCenter defaultCenter] addObserver:m_notificationObserver.get()
 220                                                         selector:@selector(systemColorsDidChange:)
 221                                                             name:NSSystemColorsDidChangeNotification
 222                                                           object:nil];
 223 }
 224
 225 RenderThemeMac::~RenderThemeMac()
 226 {
 227     [[NSNotificationCenter defaultCenter] removeObserver:m_notificationObserver.get()];
 228 }
 229
 230 NSView* RenderThemeMac::documentViewFor(const RenderObject& o) const
 231 {
 232     ControlStates states(extractControlStatesForRenderer(o));
 233     return ThemeMac::ensuredView(&o.view().frameView(), &states);
 234 }
 235
 236 #if ENABLE(VIDEO)
 237 String RenderThemeMac::mediaControlsStyleSheet()
 238 {
 239 #if ENABLE(MEDIA_CONTROLS_SCRIPT)
 240     if (m_mediaControlsStyleSheet.isEmpty())
 241         m_mediaControlsStyleSheet = [NSString stringWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreRenderThemeBundle class]] pathForResource:@"mediaControlsApple" ofType:@"css"] encoding:NSUTF8StringEncoding error:nil];
 242     return m_mediaControlsStyleSheet;
 243 #else
 244     return emptyString();
 245 #endif
 246 }
 247
 248 String RenderThemeMac::mediaControlsScript()
 249 {
 250 #if ENABLE(MEDIA_CONTROLS_SCRIPT)
 251     if (m_mediaControlsScript.isEmpty()) {
 252         StringBuilder scriptBuilder;
 253         scriptBuilder.append([NSString stringWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreRenderThemeBundle class]] pathForResource:@"mediaControlsLocalizedStrings" ofType:@"js"] encoding:NSUTF8StringEncoding error:nil]);
 254         scriptBuilder.append([NSString stringWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreRenderThemeBundle class]] pathForResource:@"mediaControlsApple" ofType:@"js"] encoding:NSUTF8StringEncoding error:nil]);
 255         m_mediaControlsScript = scriptBuilder.toString();
 256     }
 257     return m_mediaControlsScript;
 258 #else
 259     return emptyString();
 260 #endif
 261 }
 262
 263 #endif // ENABLE(VIDEO)
 264
 265
 266 #if ENABLE(SERVICE_CONTROLS)
 267 String RenderThemeMac::imageControlsStyleSheet() const
 268 {
 269     return String(imageControlsMacUserAgentStyleSheet, sizeof(imageControlsMacUserAgentStyleSheet));
 270 }
 271 #endif
 272
 273 Color RenderThemeMac::platformActiveSelectionBackgroundColor() const
 274 {
 275     NSColor* color = [[NSColor selectedTextBackgroundColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace];
 276     return Color(static_cast<int>(255.0 * [color redComponent]), static_cast<int>(255.0 * [color greenComponent]), static_cast<int>(255.0 * [color blueComponent]));
 277 }
 278
 279 Color RenderThemeMac::platformInactiveSelectionBackgroundColor() const
 280 {
 281     NSColor* color = [[NSColor secondarySelectedControlColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace];
 282     return Color(static_cast<int>(255.0 * [color redComponent]), static_cast<int>(255.0 * [color greenComponent]), static_cast<int>(255.0 * [color blueComponent]));
 283 }
 284
 285 Color RenderThemeMac::platformActiveListBoxSelectionBackgroundColor() const
 286 {
 287     NSColor* color = [[NSColor alternateSelectedControlColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace];
 288     return Color(static_cast<int>(255.0 * [color redComponent]), static_cast<int>(255.0 * [color greenComponent]), static_cast<int>(255.0 * [color blueComponent]));
 289 }
 290
 291 Color RenderThemeMac::platformActiveListBoxSelectionForegroundColor() const
 292 {
 293     return Color::white;
 294 }
 295
 296 Color RenderThemeMac::platformInactiveListBoxSelectionForegroundColor() const
 297 {
 298     return Color::black;
 299 }
 300
 301 Color RenderThemeMac::platformFocusRingColor() const
 302 {
 303     if (usesTestModeFocusRingColor())
 304         return oldAquaFocusRingColor();
 305
 306     return systemColor(CSSValueWebkitFocusRingColor);
 307 }
 308
 309 int RenderThemeMac::platformFocusRingMaxWidth() const
 310 {
 311     // FIXME: Shouldn't this function be named platformFocusRingMinWidth? But also, I'm not sure if this function is needed - looks like
 312     // all platforms just used 0 for this before <http://trac.webkit.org/changeset/168397>.
 313     return 0;
 314 }
 315
 316 Color RenderThemeMac::platformInactiveListBoxSelectionBackgroundColor() const
 317 {
 318     return platformInactiveSelectionBackgroundColor();
 319 }
 320
 321 static FontWeight toFontWeight(NSInteger appKitFontWeight)
 322 {
 323     ASSERT(appKitFontWeight > 0 && appKitFontWeight < 15);
 324     if (appKitFontWeight > 14)
 325         appKitFontWeight = 14;
 326     else if (appKitFontWeight < 1)
 327         appKitFontWeight = 1;
 328
 329     static FontWeight fontWeights[] = {
 330         FontWeight100,
 331         FontWeight100,
 332         FontWeight200,
 333         FontWeight300,
 334         FontWeight400,
 335         FontWeight500,
 336         FontWeight600,
 337         FontWeight600,
 338         FontWeight700,
 339         FontWeight800,
 340         FontWeight800,
 341         FontWeight900,
 342         FontWeight900,
 343         FontWeight900
 344     };
 345     return fontWeights[appKitFontWeight - 1];
 346 }
 347
 348 void RenderThemeMac::systemFont(CSSValueID cssValueId, FontDescription& fontDescription) const
 349 {
 350     DEPRECATED_DEFINE_STATIC_LOCAL(FontDescription, systemFont, ());
 351     DEPRECATED_DEFINE_STATIC_LOCAL(FontDescription, smallSystemFont, ());
 352     DEPRECATED_DEFINE_STATIC_LOCAL(FontDescription, menuFont, ());
 353     DEPRECATED_DEFINE_STATIC_LOCAL(FontDescription, labelFont, ());
 354     DEPRECATED_DEFINE_STATIC_LOCAL(FontDescription, miniControlFont, ());
 355     DEPRECATED_DEFINE_STATIC_LOCAL(FontDescription, smallControlFont, ());
 356     DEPRECATED_DEFINE_STATIC_LOCAL(FontDescription, controlFont, ());
 357
 358     FontDescription* cachedDesc;
 359     NSFont* font = nil;
 360     switch (cssValueId) {
 361         case CSSValueSmallCaption:
 362             cachedDesc = &smallSystemFont;
 363             if (!smallSystemFont.isAbsoluteSize())
 364                 font = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
 365             break;
 366         case CSSValueMenu:
 367             cachedDesc = &menuFont;
 368             if (!menuFont.isAbsoluteSize())
 369                 font = [NSFont menuFontOfSize:[NSFont systemFontSize]];
 370             break;
 371         case CSSValueStatusBar:
 372             cachedDesc = &labelFont;
 373             if (!labelFont.isAbsoluteSize())
 374                 font = [NSFont labelFontOfSize:[NSFont labelFontSize]];
 375             break;
 376         case CSSValueWebkitMiniControl:
 377             cachedDesc = &miniControlFont;
 378             if (!miniControlFont.isAbsoluteSize())
 379                 font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSMiniControlSize]];
 380             break;
 381         case CSSValueWebkitSmallControl:
 382             cachedDesc = &smallControlFont;
 383             if (!smallControlFont.isAbsoluteSize())
 384                 font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSSmallControlSize]];
 385             break;
 386         case CSSValueWebkitControl:
 387             cachedDesc = &controlFont;
 388             if (!controlFont.isAbsoluteSize())
 389                 font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSRegularControlSize]];
 390             break;
 391         default:
 392             cachedDesc = &systemFont;
 393             if (!systemFont.isAbsoluteSize())
 394                 font = [NSFont systemFontOfSize:[NSFont systemFontSize]];
 395     }
 396
 397     if (font) {
 398         NSFontManager *fontManager = [NSFontManager sharedFontManager];
 399         cachedDesc->setIsAbsoluteSize(true);
 400         cachedDesc->setGenericFamily(FontDescription::NoFamily);
 401         cachedDesc->setOneFamily([font webCoreFamilyName]);
 402         cachedDesc->setSpecifiedSize([font pointSize]);
 403         cachedDesc->setWeight(toFontWeight([fontManager weightOfFont:font]));
 404         cachedDesc->setItalic([fontManager traitsOfFont:font] & NSItalicFontMask);
 405     }
 406     fontDescription = *cachedDesc;
 407 }
 408
 409 static RGBA32 convertNSColorToColor(NSColor *color)
 410 {
 411     NSColor *colorInColorSpace = [color colorUsingColorSpaceName:NSDeviceRGBColorSpace];
 412     if (colorInColorSpace) {
 413         static const double scaleFactor = nextafter(256.0, 0.0);
 414         return makeRGB(static_cast<int>(scaleFactor * [colorInColorSpace redComponent]),
 415             static_cast<int>(scaleFactor * [colorInColorSpace greenComponent]),
 416             static_cast<int>(scaleFactor * [colorInColorSpace blueComponent]));
 417     }
 418
 419     // This conversion above can fail if the NSColor in question is an NSPatternColor
 420     // (as many system colors are). These colors are actually a repeating pattern
 421     // not just a solid color. To work around this we simply draw a 1x1 image of
 422     // the color and use that pixel's color. It might be better to use an average of
 423     // the colors in the pattern instead.
 424     NSBitmapImageRep *offscreenRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:nil
 425                                                                              pixelsWide:1
 426                                                                              pixelsHigh:1
 427                                                                           bitsPerSample:8
 428                                                                         samplesPerPixel:4
 429                                                                                hasAlpha:YES
 430                                                                                isPlanar:NO
 431                                                                          colorSpaceName:NSDeviceRGBColorSpace
 432                                                                             bytesPerRow:4
 433                                                                            bitsPerPixel:32];
 434
 435     [NSGraphicsContext saveGraphicsState];
 436     [NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithBitmapImageRep:offscreenRep]];
 437     NSEraseRect(NSMakeRect(0, 0, 1, 1));
 438     [color drawSwatchInRect:NSMakeRect(0, 0, 1, 1)];
 439     [NSGraphicsContext restoreGraphicsState];
 440
 441     NSUInteger pixel[4];
 442     [offscreenRep getPixel:pixel atX:0 y:0];
 443
 444     [offscreenRep release];
 445
 446     return makeRGB(pixel[0], pixel[1], pixel[2]);
 447 }
 448
 449 static RGBA32 menuBackgroundColor()
 450 {
 451     NSBitmapImageRep *offscreenRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:nil
 452                                                                              pixelsWide:1
 453                                                                              pixelsHigh:1
 454                                                                           bitsPerSample:8
 455                                                                         samplesPerPixel:4
 456                                                                                hasAlpha:YES
 457                                                                                isPlanar:NO
 458                                                                          colorSpaceName:NSDeviceRGBColorSpace
 459                                                                             bytesPerRow:4
 460                                                                            bitsPerPixel:32];
 461
 462     CGContextRef context = static_cast<CGContextRef>([[NSGraphicsContext graphicsContextWithBitmapImageRep:offscreenRep] graphicsPort]);
 463     CGRect rect = CGRectMake(0, 0, 1, 1);
 464     HIThemeMenuDrawInfo drawInfo;
 465     drawInfo.version =  0;
 466     drawInfo.menuType = kThemeMenuTypePopUp;
 467     HIThemeDrawMenuBackground(&rect, &drawInfo, context, kHIThemeOrientationInverted);
 468
 469     NSUInteger pixel[4];
 470     [offscreenRep getPixel:pixel atX:0 y:0];
 471
 472     [offscreenRep release];
 473
 474     return makeRGB(pixel[0], pixel[1], pixel[2]);
 475 }
 476
 477 void RenderThemeMac::platformColorsDidChange()
 478 {
 479     m_systemColorCache.clear();
 480     RenderTheme::platformColorsDidChange();
 481 }
 482
 483 Color RenderThemeMac::systemColor(CSSValueID cssValueId) const
 484 {
 485     {
 486         HashMap<int, RGBA32>::iterator it = m_systemColorCache.find(cssValueId);
 487         if (it != m_systemColorCache.end())
 488             return it->value;
 489     }
 490
 491     Color color;
 492     switch (cssValueId) {
 493     case CSSValueActiveborder:
 494         color = convertNSColorToColor([NSColor keyboardFocusIndicatorColor]);
 495         break;
 496     case CSSValueActivecaption:
 497         color = convertNSColorToColor([NSColor windowFrameTextColor]);
 498         break;
 499     case CSSValueAppworkspace:
 500         color = convertNSColorToColor([NSColor headerColor]);
 501         break;
 502     case CSSValueBackground:
 503         // Use theme independent default
 504         break;
 505     case CSSValueButtonface:
 506         // We use this value instead of NSColor's controlColor to avoid website incompatibilities.
 507         // We may want to change this to use the NSColor in future.
 508         color = 0xFFC0C0C0;
 509         break;
 510     case CSSValueButtonhighlight:
 511         color = convertNSColorToColor([NSColor controlHighlightColor]);
 512         break;
 513     case CSSValueButtonshadow:
 514         color = convertNSColorToColor([NSColor controlShadowColor]);
 515         break;
 516     case CSSValueButtontext:
 517         color = convertNSColorToColor([NSColor controlTextColor]);
 518         break;
 519     case CSSValueActivebuttontext:
 520 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
 521         color = 0xC0FFFFFF;
 522 #endif
 523         break;
 524     case CSSValueCaptiontext:
 525         color = convertNSColorToColor([NSColor textColor]);
 526         break;
 527     case CSSValueGraytext:
 528         color = convertNSColorToColor([NSColor disabledControlTextColor]);
 529         break;
 530     case CSSValueHighlight:
 531         color = convertNSColorToColor([NSColor selectedTextBackgroundColor]);
 532         break;
 533     case CSSValueHighlighttext:
 534         color = convertNSColorToColor([NSColor selectedTextColor]);
 535         break;
 536     case CSSValueInactiveborder:
 537         color = convertNSColorToColor([NSColor controlBackgroundColor]);
 538         break;
 539     case CSSValueInactivecaption:
 540         color = convertNSColorToColor([NSColor controlBackgroundColor]);
 541         break;
 542     case CSSValueInactivecaptiontext:
 543         color = convertNSColorToColor([NSColor textColor]);
 544         break;
 545     case CSSValueInfobackground:
 546         // There is no corresponding NSColor for this so we use a hard coded value.
 547         color = 0xFFFBFCC5;
 548         break;
 549     case CSSValueInfotext:
 550         color = convertNSColorToColor([NSColor textColor]);
 551         break;
 552     case CSSValueMenu:
 553         color = menuBackgroundColor();
 554         break;
 555     case CSSValueMenutext:
 556         color = convertNSColorToColor([NSColor selectedMenuItemTextColor]);
 557         break;
 558     case CSSValueScrollbar:
 559         color = convertNSColorToColor([NSColor scrollBarColor]);
 560         break;
 561     case CSSValueText:
 562         color = convertNSColorToColor([NSColor textColor]);
 563         break;
 564     case CSSValueThreeddarkshadow:
 565         color = convertNSColorToColor([NSColor controlDarkShadowColor]);
 566         break;
 567     case CSSValueThreedshadow:
 568         color = convertNSColorToColor([NSColor shadowColor]);
 569         break;
 570     case CSSValueThreedface:
 571         // We use this value instead of NSColor's controlColor to avoid website incompatibilities.
 572         // We may want to change this to use the NSColor in future.
 573         color = 0xFFC0C0C0;
 574         break;
 575     case CSSValueThreedhighlight:
 576         color = convertNSColorToColor([NSColor highlightColor]);
 577         break;
 578     case CSSValueThreedlightshadow:
 579         color = convertNSColorToColor([NSColor controlLightHighlightColor]);
 580         break;
 581     case CSSValueWebkitFocusRingColor:
 582         color = convertNSColorToColor([NSColor keyboardFocusIndicatorColor]);
 583         break;
 584     case CSSValueWindow:
 585         color = convertNSColorToColor([NSColor windowBackgroundColor]);
 586         break;
 587     case CSSValueWindowframe:
 588         color = convertNSColorToColor([NSColor windowFrameColor]);
 589         break;
 590     case CSSValueWindowtext:
 591         color = convertNSColorToColor([NSColor windowFrameTextColor]);
 592         break;
 593     default:
 594         break;
 595     }
 596
 597     if (!color.isValid())
 598         color = RenderTheme::systemColor(cssValueId);
 599
 600     if (color.isValid())
 601         m_systemColorCache.set(cssValueId, color.rgb());
 602
 603     return color;
 604 }
 605
 606 bool RenderThemeMac::usesTestModeFocusRingColor() const
 607 {
 608     return WebCore::usesTestModeFocusRingColor();
 609 }
 610
 611 bool RenderThemeMac::isControlStyled(const RenderStyle& style, const BorderData& border,
 612                                      const FillLayer& background, const Color& backgroundColor) const
 613 {
 614     if (style.appearance() == TextFieldPart || style.appearance() == TextAreaPart || style.appearance() == ListboxPart)
 615         return style.border() != border;
 616
 617     // FIXME: This is horrible, but there is not much else that can be done.  Menu lists cannot draw properly when
 618     // scaled.  They can't really draw properly when transformed either.  We can't detect the transform case at style
 619     // adjustment time so that will just have to stay broken.  We can however detect that we're zooming.  If zooming
 620     // is in effect we treat it like the control is styled.
 621     if (style.appearance() == MenulistPart && style.effectiveZoom() != 1.0f)
 622         return true;
 623
 624     return RenderTheme::isControlStyled(style, border, background, backgroundColor);
 625 }
 626
 627 static FloatRect inflateRect(const FloatRect& rect, const IntSize& size, const int* margins, float zoomLevel)
 628 {
 629     // Only do the inflation if the available width/height are too small. Otherwise try to
 630     // fit the glow/check space into the available box's width/height.
 631     int widthDelta = rect.width() - (size.width() + margins[leftMargin] * zoomLevel + margins[rightMargin] * zoomLevel);
 632     int heightDelta = rect.height() - (size.height() + margins[topMargin] * zoomLevel + margins[bottomMargin] * zoomLevel);
 633     FloatRect result(rect);
 634     if (widthDelta < 0) {
 635         result.setX(result.x() - margins[leftMargin] * zoomLevel);
 636         result.setWidth(result.width() - widthDelta);
 637     }
 638     if (heightDelta < 0) {
 639         result.setY(result.y() - margins[topMargin] * zoomLevel);
 640         result.setHeight(result.height() - heightDelta);
 641     }
 642     return result;
 643 }
 644
 645 void RenderThemeMac::adjustRepaintRect(const RenderObject& renderer, FloatRect& rect)
 646 {
 647     ControlPart part = renderer.style().appearance();
 648
 649 #if USE(NEW_THEME)
 650     switch (part) {
 651         case CheckboxPart:
 652         case RadioPart:
 653         case PushButtonPart:
 654         case SquareButtonPart:
 655         case DefaultButtonPart:
 656         case ButtonPart:
 657         case InnerSpinButtonPart:
 658             return RenderTheme::adjustRepaintRect(renderer, rect);
 659         default:
 660             break;
 661     }
 662 #endif
 663
 664     float zoomLevel = renderer.style().effectiveZoom();
 665
 666     if (part == MenulistPart) {
 667         setPopupButtonCellState(renderer, IntSize(rect.size()));
 668         IntSize size = popupButtonSizes()[[popupButton() controlSize]];
 669         size.setHeight(size.height() * zoomLevel);
 670         size.setWidth(rect.width());
 671         rect = inflateRect(rect, size, popupButtonMargins(), zoomLevel);
 672     }
 673 }
 674
 675 FloatRect RenderThemeMac::convertToPaintingRect(const RenderObject& inputRenderer, const RenderObject& partRenderer, const FloatRect& inputRect, const IntRect& r) const
 676 {
 677     FloatRect partRect(inputRect);
 678
 679     // Compute an offset between the part renderer and the input renderer
 680     FloatSize offsetFromInputRenderer;
 681     const RenderObject* renderer = &partRenderer;
 682     while (renderer && renderer != &inputRenderer) {
 683         RenderElement* containingRenderer = renderer->container();
 684         offsetFromInputRenderer -= roundedIntSize(renderer->offsetFromContainer(containingRenderer, LayoutPoint()));
 685         renderer = containingRenderer;
 686     }
 687     // If the input renderer was not a container, something went wrong
 688     ASSERT(renderer == &inputRenderer);
 689     // Move the rect into partRenderer's coords
 690     partRect.move(offsetFromInputRenderer);
 691     // Account for the local drawing offset (tx, ty)
 692     partRect.move(r.x(), r.y());
 693
 694     return partRect;
 695 }
 696
 697 void RenderThemeMac::updateCheckedState(NSCell* cell, const RenderObject& o)
 698 {
 699     bool oldIndeterminate = [cell state] == NSMixedState;
 700     bool indeterminate = isIndeterminate(o);
 701     bool checked = isChecked(o);
 702
 703     if (oldIndeterminate != indeterminate) {
 704         [cell setState:indeterminate ? NSMixedState : (checked ? NSOnState : NSOffState)];
 705         return;
 706     }
 707
 708     bool oldChecked = [cell state] == NSOnState;
 709     if (checked != oldChecked)
 710         [cell setState:checked ? NSOnState : NSOffState];
 711 }
 712
 713 void RenderThemeMac::updateEnabledState(NSCell* cell, const RenderObject& o)
 714 {
 715     bool oldEnabled = [cell isEnabled];
 716     bool enabled = isEnabled(o);
 717     if (enabled != oldEnabled)
 718         [cell setEnabled:enabled];
 719 }
 720
 721 void RenderThemeMac::updateFocusedState(NSCell* cell, const RenderObject& o)
 722 {
 723     bool oldFocused = [cell showsFirstResponder];
 724     bool focused = isFocused(o) && o.style().outlineStyleIsAuto();
 725     if (focused != oldFocused)
 726         [cell setShowsFirstResponder:focused];
 727 }
 728
 729 void RenderThemeMac::updatePressedState(NSCell* cell, const RenderObject& o)
 730 {
 731     bool oldPressed = [cell isHighlighted];
 732     bool pressed = o.node() && o.node()->isElementNode() && toElement(o.node())->active();
 733     if (pressed != oldPressed)
 734         [cell setHighlighted:pressed];
 735 }
 736
 737 bool RenderThemeMac::controlSupportsTints(const RenderObject& o) const
 738 {
 739     // An alternate way to implement this would be to get the appropriate cell object
 740     // and call the private _needRedrawOnWindowChangedKeyState method. An advantage of
 741     // that would be that we would match AppKit behavior more closely, but a disadvantage
 742     // would be that we would rely on an AppKit SPI method.
 743
 744     if (!isEnabled(o))
 745         return false;
 746
 747     // Checkboxes only have tint when checked.
 748     if (o.style().appearance() == CheckboxPart)
 749         return isChecked(o);
 750
 751     // For now assume other controls have tint if enabled.
 752     return true;
 753 }
 754
 755 NSControlSize RenderThemeMac::controlSizeForFont(RenderStyle& style) const
 756 {
 757     int fontSize = style.fontSize();
 758     if (fontSize >= 16)
 759         return NSRegularControlSize;
 760     if (fontSize >= 11)
 761         return NSSmallControlSize;
 762     return NSMiniControlSize;
 763 }
 764
 765 NSControlSize RenderThemeMac::controlSizeForCell(NSCell*, const IntSize* sizes, const IntSize& minSize, float zoomLevel) const
 766 {
 767     if (minSize.width() >= static_cast<int>(sizes[NSRegularControlSize].width() * zoomLevel)
 768         && minSize.height() >= static_cast<int>(sizes[NSRegularControlSize].height() * zoomLevel))
 769         return NSRegularControlSize;
 770
 771     if (minSize.width() >= static_cast<int>(sizes[NSSmallControlSize].width() * zoomLevel)
 772         && minSize.height() >= static_cast<int>(sizes[NSSmallControlSize].height() * zoomLevel))
 773         return NSSmallControlSize;
 774
 775     return NSMiniControlSize;
 776 }
 777
 778 void RenderThemeMac::setControlSize(NSCell* cell, const IntSize* sizes, const IntSize& minSize, float zoomLevel)
 779 {
 780     NSControlSize size = controlSizeForCell(cell, sizes, minSize, zoomLevel);
 781     if (size != [cell controlSize]) // Only update if we have to, since AppKit does work even if the size is the same.
 782         [cell setControlSize:size];
 783 }
 784
 785 IntSize RenderThemeMac::sizeForFont(RenderStyle& style, const IntSize* sizes) const
 786 {
 787     if (style.effectiveZoom() != 1.0f) {
 788         IntSize result = sizes[controlSizeForFont(style)];
 789         return IntSize(result.width() * style.effectiveZoom(), result.height() * style.effectiveZoom());
 790     }
 791     return sizes[controlSizeForFont(style)];
 792 }
 793
 794 IntSize RenderThemeMac::sizeForSystemFont(RenderStyle& style, const IntSize* sizes) const
 795 {
 796     if (style.effectiveZoom() != 1.0f) {
 797         IntSize result = sizes[controlSizeForSystemFont(style)];
 798         return IntSize(result.width() * style.effectiveZoom(), result.height() * style.effectiveZoom());
 799     }
 800     return sizes[controlSizeForSystemFont(style)];
 801 }
 802
 803 void RenderThemeMac::setSizeFromFont(RenderStyle& style, const IntSize* sizes) const
 804 {
 805     // FIXME: Check is flawed, since it doesn't take min-width/max-width into account.
 806     IntSize size = sizeForFont(style, sizes);
 807     if (style.width().isIntrinsicOrAuto() && size.width() > 0)
 808         style.setWidth(Length(size.width(), Fixed));
 809     if (style.height().isAuto() && size.height() > 0)
 810         style.setHeight(Length(size.height(), Fixed));
 811 }
 812
 813 void RenderThemeMac::setFontFromControlSize(StyleResolver&, RenderStyle& style, NSControlSize controlSize) const
 814 {
 815     FontDescription fontDescription;
 816     fontDescription.setIsAbsoluteSize(true);
 817     fontDescription.setGenericFamily(FontDescription::SerifFamily);
 818
 819     NSFont* font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:controlSize]];
 820     fontDescription.setOneFamily([font webCoreFamilyName]);
 821     fontDescription.setComputedSize([font pointSize] * style.effectiveZoom());
 822     fontDescription.setSpecifiedSize([font pointSize] * style.effectiveZoom());
 823
 824     // Reset line height
 825     style.setLineHeight(RenderStyle::initialLineHeight());
 826
 827     if (style.setFontDescription(fontDescription))
 828         style.font().update(0);
 829 }
 830
 831 NSControlSize RenderThemeMac::controlSizeForSystemFont(RenderStyle& style) const
 832 {
 833     int fontSize = style.fontSize();
 834     if (fontSize >= [NSFont systemFontSizeForControlSize:NSRegularControlSize])
 835         return NSRegularControlSize;
 836     if (fontSize >= [NSFont systemFontSizeForControlSize:NSSmallControlSize])
 837         return NSSmallControlSize;
 838     return NSMiniControlSize;
 839 }
 840
 841 bool RenderThemeMac::paintTextField(const RenderObject& o, const PaintInfo& paintInfo, const FloatRect& r)
 842 {
 843     LocalCurrentGraphicsContext localContext(paintInfo.context);
 844
 845     NSTextFieldCell *textField = this->textField();
 846
 847     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 848
 849     [textField setEnabled:(isEnabled(o) && !isReadOnlyControl(o))];
 850     [textField drawWithFrame:NSRect(r) inView:documentViewFor(o)];
 851
 852     [textField setControlView:nil];
 853
 854     return false;
 855 }
 856
 857 void RenderThemeMac::adjustTextFieldStyle(StyleResolver&, RenderStyle&, Element*) const
 858 {
 859 }
 860
 861 bool RenderThemeMac::paintCapsLockIndicator(const RenderObject&, const PaintInfo& paintInfo, const IntRect& r)
 862 {
 863     if (paintInfo.context->paintingDisabled())
 864         return true;
 865
 866     LocalCurrentGraphicsContext localContext(paintInfo.context);
 867     wkDrawCapsLockIndicator(localContext.cgContext(), r);
 868
 869     return false;
 870 }
 871
 872 bool RenderThemeMac::paintTextArea(const RenderObject& o, const PaintInfo& paintInfo, const FloatRect& r)
 873 {
 874     LocalCurrentGraphicsContext localContext(paintInfo.context);
 875     wkDrawBezeledTextArea(r, isEnabled(o) && !isReadOnlyControl(o));
 876     return false;
 877 }
 878
 879 void RenderThemeMac::adjustTextAreaStyle(StyleResolver&, RenderStyle&, Element*) const
 880 {
 881 }
 882
 883 const int* RenderThemeMac::popupButtonMargins() const
 884 {
 885     static const int margins[3][4] =
 886     {
 887         { 0, 3, 1, 3 },
 888         { 0, 3, 2, 3 },
 889         { 0, 1, 0, 1 }
 890     };
 891     return margins[[popupButton() controlSize]];
 892 }
 893
 894 const IntSize* RenderThemeMac::popupButtonSizes() const
 895 {
 896     static const IntSize sizes[3] = { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) };
 897     return sizes;
 898 }
 899
 900 const int* RenderThemeMac::popupButtonPadding(NSControlSize size) const
 901 {
 902     static const int padding[3][4] =
 903     {
 904         { 2, 26, 3, 8 },
 905         { 2, 23, 3, 8 },
 906         { 2, 22, 3, 10 }
 907     };
 908     return padding[size];
 909 }
 910
 911 bool RenderThemeMac::paintMenuList(const RenderObject& renderer, const PaintInfo& paintInfo, const FloatRect& rect)
 912 {
 913     LocalCurrentGraphicsContext localContext(paintInfo.context);
 914     setPopupButtonCellState(renderer, IntSize(rect.size()));
 915
 916     NSPopUpButtonCell* popupButton = this->popupButton();
 917
 918     float zoomLevel = renderer.style().effectiveZoom();
 919     IntSize size = popupButtonSizes()[[popupButton controlSize]];
 920     size.setHeight(size.height() * zoomLevel);
 921     size.setWidth(rect.width());
 922
 923     // Now inflate it to account for the shadow.
 924     FloatRect inflatedRect = rect;
 925     if (rect.width() >= minimumMenuListSize(renderer.style()))
 926         inflatedRect = inflateRect(rect, size, popupButtonMargins(), zoomLevel);
 927
 928     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 929
 930     // On Leopard, the cell will draw outside of the given rect, so we have to clip to the rect
 931     paintInfo.context->clip(inflatedRect);
 932
 933     if (zoomLevel != 1.0f) {
 934         inflatedRect.setWidth(inflatedRect.width() / zoomLevel);
 935         inflatedRect.setHeight(inflatedRect.height() / zoomLevel);
 936         paintInfo.context->translate(inflatedRect.x(), inflatedRect.y());
 937         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
 938         paintInfo.context->translate(-inflatedRect.x(), -inflatedRect.y());
 939     }
 940
 941     NSView *view = documentViewFor(renderer);
 942     [popupButton drawWithFrame:inflatedRect inView:view];
 943     if (isFocused(renderer) && renderer.style().outlineStyleIsAuto()) {
 944         if (wkDrawCellFocusRingWithFrameAtTime(popupButton, inflatedRect, view, std::numeric_limits<double>::max()))
 945             renderer.document().page()->focusController().setFocusedElementNeedsRepaint();
 946     }
 947
 948     [popupButton setControlView:nil];
 949
 950     return false;
 951 }
 952
 953 #if ENABLE(METER_ELEMENT)
 954
 955 IntSize RenderThemeMac::meterSizeForBounds(const RenderMeter& renderMeter, const IntRect& bounds) const
 956 {
 957     if (NoControlPart == renderMeter.style().appearance())
 958         return bounds.size();
 959
 960     NSLevelIndicatorCell* cell = levelIndicatorFor(renderMeter);
 961     // Makes enough room for cell's intrinsic size.
 962     NSSize cellSize = [cell cellSizeForBounds:IntRect(IntPoint(), bounds.size())];
 963     return IntSize(bounds.width() < cellSize.width ? cellSize.width : bounds.width(),
 964                    bounds.height() < cellSize.height ? cellSize.height : bounds.height());
 965 }
 966
 967 bool RenderThemeMac::paintMeter(const RenderObject& renderObject, const PaintInfo& paintInfo, const IntRect& rect)
 968 {
 969     if (!renderObject.isMeter())
 970         return true;
 971
 972     LocalCurrentGraphicsContext localContext(paintInfo.context);
 973
 974     NSLevelIndicatorCell* cell = levelIndicatorFor(toRenderMeter(renderObject));
 975     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 976
 977     [cell drawWithFrame:rect inView:documentViewFor(renderObject)];
 978     [cell setControlView:nil];
 979     return false;
 980 }
 981
 982 bool RenderThemeMac::supportsMeter(ControlPart part) const
 983 {
 984     switch (part) {
 985     case RelevancyLevelIndicatorPart:
 986     case DiscreteCapacityLevelIndicatorPart:
 987     case RatingLevelIndicatorPart:
 988     case MeterPart:
 989     case ContinuousCapacityLevelIndicatorPart:
 990         return true;
 991     default:
 992         return false;
 993     }
 994 }
 995
 996 NSLevelIndicatorStyle RenderThemeMac::levelIndicatorStyleFor(ControlPart part) const
 997 {
 998     switch (part) {
 999     case RelevancyLevelIndicatorPart:
1000         return NSRelevancyLevelIndicatorStyle;
1001     case DiscreteCapacityLevelIndicatorPart:
1002         return NSDiscreteCapacityLevelIndicatorStyle;
1003     case RatingLevelIndicatorPart:
1004         return NSRatingLevelIndicatorStyle;
1005     case MeterPart:
1006     case ContinuousCapacityLevelIndicatorPart:
1007     default:
1008         return NSContinuousCapacityLevelIndicatorStyle;
1009     }
1010
1011 }
1012
1013 NSLevelIndicatorCell* RenderThemeMac::levelIndicatorFor(const RenderMeter& renderMeter) const
1014 {
1015     const RenderStyle& style = renderMeter.style();
1016     ASSERT(style.appearance() != NoControlPart);
1017
1018     if (!m_levelIndicator)
1019         m_levelIndicator = adoptNS([[NSLevelIndicatorCell alloc] initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle]);
1020     NSLevelIndicatorCell* cell = m_levelIndicator.get();
1021
1022     HTMLMeterElement* element = renderMeter.meterElement();
1023     double value = element->value();
1024
1025     // Because NSLevelIndicatorCell does not support optimum-in-the-middle type coloring,
1026     // we explicitly control the color instead giving low and high value to NSLevelIndicatorCell as is.
1027     switch (element->gaugeRegion()) {
1028     case HTMLMeterElement::GaugeRegionOptimum:
1029         // Make meter the green
1030         [cell setWarningValue:value + 1];
1031         [cell setCriticalValue:value + 2];
1032         break;
1033     case HTMLMeterElement::GaugeRegionSuboptimal:
1034         // Make the meter yellow
1035         [cell setWarningValue:value - 1];
1036         [cell setCriticalValue:value + 1];
1037         break;
1038     case HTMLMeterElement::GaugeRegionEvenLessGood:
1039         // Make the meter red
1040         [cell setWarningValue:value - 2];
1041         [cell setCriticalValue:value - 1];
1042         break;
1043     }
1044
1045     [cell setLevelIndicatorStyle:levelIndicatorStyleFor(style.appearance())];
1046     [cell setBaseWritingDirection:style.isLeftToRightDirection() ? NSWritingDirectionLeftToRight : NSWritingDirectionRightToLeft];
1047     [cell setMinValue:element->min()];
1048     [cell setMaxValue:element->max()];
1049     RetainPtr<NSNumber> valueObject = [NSNumber numberWithDouble:value];
1050     [cell setObjectValue:valueObject.get()];
1051
1052     return cell;
1053 }
1054
1055 #endif
1056
1057 const IntSize* RenderThemeMac::progressBarSizes() const
1058 {
1059     static const IntSize sizes[3] = { IntSize(0, 20), IntSize(0, 12), IntSize(0, 12) };
1060     return sizes;
1061 }
1062
1063 const int* RenderThemeMac::progressBarMargins(NSControlSize controlSize) const
1064 {
1065     static const int margins[3][4] =
1066     {
1067         { 0, 0, 1, 0 },
1068         { 0, 0, 1, 0 },
1069         { 0, 0, 1, 0 },
1070     };
1071     return margins[controlSize];
1072 }
1073
1074 IntRect RenderThemeMac::progressBarRectForBounds(const RenderObject& renderObject, const IntRect& bounds) const
1075 {
1076     // Workaround until <rdar://problem/15855086> is fixed.
1077     int maxDimension = static_cast<int>(std::numeric_limits<ushort>::max());
1078     IntRect progressBarBounds(bounds.x(), bounds.y(), std::min(bounds.width(), maxDimension), std::min(bounds.height(), maxDimension));
1079     if (NoControlPart == renderObject.style().appearance())
1080         return progressBarBounds;
1081
1082     float zoomLevel = renderObject.style().effectiveZoom();
1083     NSControlSize controlSize = controlSizeForFont(renderObject.style());
1084     IntSize size = progressBarSizes()[controlSize];
1085     size.setHeight(size.height() * zoomLevel);
1086     size.setWidth(progressBarBounds.width());
1087
1088     // Now inflate it to account for the shadow.
1089     IntRect inflatedRect = progressBarBounds;
1090     if (progressBarBounds.height() <= minimumProgressBarHeight(renderObject.style()))
1091         inflatedRect = IntRect(inflateRect(inflatedRect, size, progressBarMargins(controlSize), zoomLevel));
1092
1093     return inflatedRect;
1094 }
1095
1096 int RenderThemeMac::minimumProgressBarHeight(RenderStyle& style) const
1097 {
1098     return sizeForSystemFont(style, progressBarSizes()).height();
1099 }
1100
1101 double RenderThemeMac::animationRepeatIntervalForProgressBar(RenderProgress&) const
1102 {
1103     return progressAnimationFrameRate;
1104 }
1105
1106 double RenderThemeMac::animationDurationForProgressBar(RenderProgress&) const
1107 {
1108     return progressAnimationNumFrames * progressAnimationFrameRate;
1109 }
1110
1111 void RenderThemeMac::adjustProgressBarStyle(StyleResolver&, RenderStyle&, Element*) const
1112 {
1113 }
1114
1115 bool RenderThemeMac::paintProgressBar(const RenderObject& renderObject, const PaintInfo& paintInfo, const IntRect& rect)
1116 {
1117     if (!renderObject.isProgress())
1118         return true;
1119
1120     IntRect inflatedRect = progressBarRectForBounds(renderObject, rect);
1121     NSControlSize controlSize = controlSizeForFont(renderObject.style());
1122
1123     const RenderProgress& renderProgress = *toRenderProgress(&renderObject);
1124     HIThemeTrackDrawInfo trackInfo;
1125     trackInfo.version = 0;
1126     if (controlSize == NSRegularControlSize)
1127         trackInfo.kind = renderProgress.position() < 0 ? kThemeLargeIndeterminateBar : kThemeLargeProgressBar;
1128     else
1129         trackInfo.kind = renderProgress.position() < 0 ? kThemeMediumIndeterminateBar : kThemeMediumProgressBar;
1130
1131     float deviceScaleFactor = renderObject.document().deviceScaleFactor();
1132     trackInfo.bounds = IntRect(IntPoint(), inflatedRect.size());
1133     trackInfo.min = 0;
1134     trackInfo.max = std::numeric_limits<SInt32>::max();
1135     trackInfo.value = lround(renderProgress.position() * nextafter(trackInfo.max, 0));
1136     trackInfo.trackInfo.progress.phase = lround(renderProgress.animationProgress() * nextafter(progressAnimationNumFrames, 0) * deviceScaleFactor);
1137     trackInfo.attributes = kThemeTrackHorizontal;
1138     trackInfo.enableState = isActive(renderObject) ? kThemeTrackActive : kThemeTrackInactive;
1139     trackInfo.reserved = 0;
1140     trackInfo.filler1 = 0;
1141
1142     std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::createCompatibleBuffer(inflatedRect.size(), deviceScaleFactor, ColorSpaceDeviceRGB, paintInfo.context, true);
1143     if (!imageBuffer)
1144         return true;
1145
1146     ContextContainer cgContextContainer(imageBuffer->context());
1147     CGContextRef cgContext = cgContextContainer.context();
1148     HIThemeDrawTrack(&trackInfo, 0, cgContext, kHIThemeOrientationNormal);
1149
1150     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1151
1152     if (!renderProgress.style().isLeftToRightDirection()) {
1153         paintInfo.context->translate(2 * inflatedRect.x() + inflatedRect.width(), 0);
1154         paintInfo.context->scale(FloatSize(-1, 1));
1155     }
1156
1157     paintInfo.context->drawImageBuffer(imageBuffer.get(), ColorSpaceDeviceRGB, inflatedRect.location());
1158     return false;
1159 }
1160
1161 const float baseFontSize = 11.0f;
1162 const float baseArrowHeight = 4.0f;
1163 const float baseArrowWidth = 5.0f;
1164 const float baseSpaceBetweenArrows = 2.0f;
1165 const int arrowPaddingLeft = 6;
1166 const int arrowPaddingRight = 6;
1167 const int paddingBeforeSeparator = 4;
1168 const int baseBorderRadius = 5;
1169 const int styledPopupPaddingLeft = 8;
1170 const int styledPopupPaddingTop = 1;
1171 const int styledPopupPaddingBottom = 2;
1172
1173 static void TopGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1174 {
1175     static float dark[4] = { 1.0f, 1.0f, 1.0f, 0.4f };
1176     static float light[4] = { 1.0f, 1.0f, 1.0f, 0.15f };
1177     float a = inData[0];
1178     int i = 0;
1179     for (i = 0; i < 4; i++)
1180         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1181 }
1182
1183 static void BottomGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1184 {
1185     static float dark[4] = { 1.0f, 1.0f, 1.0f, 0.0f };
1186     static float light[4] = { 1.0f, 1.0f, 1.0f, 0.3f };
1187     float a = inData[0];
1188     int i = 0;
1189     for (i = 0; i < 4; i++)
1190         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1191 }
1192
1193 static void MainGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1194 {
1195     static float dark[4] = { 0.0f, 0.0f, 0.0f, 0.15f };
1196     static float light[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
1197     float a = inData[0];
1198     int i = 0;
1199     for (i = 0; i < 4; i++)
1200         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1201 }
1202
1203 static void TrackGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1204 {
1205     static float dark[4] = { 0.0f, 0.0f, 0.0f, 0.678f };
1206     static float light[4] = { 0.0f, 0.0f, 0.0f, 0.13f };
1207     float a = inData[0];
1208     int i = 0;
1209     for (i = 0; i < 4; i++)
1210         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1211 }
1212
1213 void RenderThemeMac::paintMenuListButtonGradients(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1214 {
1215     if (r.isEmpty())
1216         return;
1217
1218     ContextContainer cgContextContainer(paintInfo.context);
1219     CGContextRef context = cgContextContainer.context();
1220
1221     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1222
1223     FloatRoundedRect border = FloatRoundedRect(o.style().getRoundedBorderFor(r));
1224     int radius = border.radii().topLeft().width();
1225
1226     CGColorSpaceRef cspace = deviceRGBColorSpaceRef();
1227
1228     FloatRect topGradient(r.x(), r.y(), r.width(), r.height() / 2.0f);
1229     struct CGFunctionCallbacks topCallbacks = { 0, TopGradientInterpolate, NULL };
1230     RetainPtr<CGFunctionRef> topFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &topCallbacks));
1231     RetainPtr<CGShadingRef> topShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(topGradient.x(), topGradient.y()), CGPointMake(topGradient.x(), topGradient.maxY()), topFunction.get(), false, false));
1232
1233     FloatRect bottomGradient(r.x() + radius, r.y() + r.height() / 2.0f, r.width() - 2.0f * radius, r.height() / 2.0f);
1234     struct CGFunctionCallbacks bottomCallbacks = { 0, BottomGradientInterpolate, NULL };
1235     RetainPtr<CGFunctionRef> bottomFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &bottomCallbacks));
1236     RetainPtr<CGShadingRef> bottomShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(bottomGradient.x(),  bottomGradient.y()), CGPointMake(bottomGradient.x(), bottomGradient.maxY()), bottomFunction.get(), false, false));
1237
1238     struct CGFunctionCallbacks mainCallbacks = { 0, MainGradientInterpolate, NULL };
1239     RetainPtr<CGFunctionRef> mainFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &mainCallbacks));
1240     RetainPtr<CGShadingRef> mainShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(r.x(),  r.y()), CGPointMake(r.x(), r.maxY()), mainFunction.get(), false, false));
1241
1242     RetainPtr<CGShadingRef> leftShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(r.x(),  r.y()), CGPointMake(r.x() + radius, r.y()), mainFunction.get(), false, false));
1243
1244     RetainPtr<CGShadingRef> rightShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(r.maxX(),  r.y()), CGPointMake(r.maxX() - radius, r.y()), mainFunction.get(), false, false));
1245
1246     {
1247         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1248         CGContextClipToRect(context, r);
1249         paintInfo.context->clipRoundedRect(border);
1250         context = cgContextContainer.context();
1251         CGContextDrawShading(context, mainShading.get());
1252     }
1253
1254     {
1255         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1256         CGContextClipToRect(context, topGradient);
1257         paintInfo.context->clipRoundedRect(FloatRoundedRect(enclosingIntRect(topGradient), border.radii().topLeft(), border.radii().topRight(), IntSize(), IntSize()));
1258         context = cgContextContainer.context();
1259         CGContextDrawShading(context, topShading.get());
1260     }
1261
1262     if (!bottomGradient.isEmpty()) {
1263         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1264         CGContextClipToRect(context, bottomGradient);
1265         paintInfo.context->clipRoundedRect(FloatRoundedRect(enclosingIntRect(bottomGradient), IntSize(), IntSize(), border.radii().bottomLeft(), border.radii().bottomRight()));
1266         context = cgContextContainer.context();
1267         CGContextDrawShading(context, bottomShading.get());
1268     }
1269
1270     {
1271         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1272         CGContextClipToRect(context, r);
1273         paintInfo.context->clipRoundedRect(border);
1274         context = cgContextContainer.context();
1275         CGContextDrawShading(context, leftShading.get());
1276         CGContextDrawShading(context, rightShading.get());
1277     }
1278 }
1279
1280 bool RenderThemeMac::paintMenuListButtonDecorations(const RenderObject& renderer, const PaintInfo& paintInfo, const FloatRect& rect)
1281 {
1282     IntRect bounds = IntRect(rect.x() + renderer.style().borderLeftWidth(),
1283         rect.y() + renderer.style().borderTopWidth(),
1284         rect.width() - renderer.style().borderLeftWidth() - renderer.style().borderRightWidth(),
1285         rect.height() - renderer.style().borderTopWidth() - renderer.style().borderBottomWidth());
1286     // Draw the gradients to give the styled popup menu a button appearance
1287     paintMenuListButtonGradients(renderer, paintInfo, bounds);
1288
1289     // 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
1290     float fontScale = std::min(renderer.style().fontSize() / baseFontSize, bounds.height() / (baseArrowHeight * 2 + baseSpaceBetweenArrows));
1291     float centerY = bounds.y() + bounds.height() / 2.0f;
1292     float arrowHeight = baseArrowHeight * fontScale;
1293     float arrowWidth = baseArrowWidth * fontScale;
1294     float leftEdge = bounds.maxX() - arrowPaddingRight * renderer.style().effectiveZoom() - arrowWidth;
1295     float spaceBetweenArrows = baseSpaceBetweenArrows * fontScale;
1296
1297     if (bounds.width() < arrowWidth + arrowPaddingLeft * renderer.style().effectiveZoom())
1298         return false;
1299
1300     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1301
1302     paintInfo.context->setFillColor(renderer.style().visitedDependentColor(CSSPropertyColor), renderer.style().colorSpace());
1303     paintInfo.context->setStrokeStyle(NoStroke);
1304
1305     FloatPoint arrow1[3];
1306     arrow1[0] = FloatPoint(leftEdge, centerY - spaceBetweenArrows / 2.0f);
1307     arrow1[1] = FloatPoint(leftEdge + arrowWidth, centerY - spaceBetweenArrows / 2.0f);
1308     arrow1[2] = FloatPoint(leftEdge + arrowWidth / 2.0f, centerY - spaceBetweenArrows / 2.0f - arrowHeight);
1309
1310     // Draw the top arrow
1311     paintInfo.context->drawConvexPolygon(3, arrow1, true);
1312
1313     FloatPoint arrow2[3];
1314     arrow2[0] = FloatPoint(leftEdge, centerY + spaceBetweenArrows / 2.0f);
1315     arrow2[1] = FloatPoint(leftEdge + arrowWidth, centerY + spaceBetweenArrows / 2.0f);
1316     arrow2[2] = FloatPoint(leftEdge + arrowWidth / 2.0f, centerY + spaceBetweenArrows / 2.0f + arrowHeight);
1317
1318     // Draw the bottom arrow
1319     paintInfo.context->drawConvexPolygon(3, arrow2, true);
1320
1321     Color leftSeparatorColor(0, 0, 0, 40);
1322     Color rightSeparatorColor(255, 255, 255, 40);
1323
1324     // FIXME: Should the separator thickness and space be scaled up by fontScale?
1325     int separatorSpace = 2; // Deliberately ignores zoom since it looks nicer if it stays thin.
1326     int leftEdgeOfSeparator = static_cast<int>(leftEdge - arrowPaddingLeft * renderer.style().effectiveZoom()); // FIXME: Round?
1327
1328     // Draw the separator to the left of the arrows
1329     paintInfo.context->setStrokeThickness(1); // Deliberately ignores zoom since it looks nicer if it stays thin.
1330     paintInfo.context->setStrokeStyle(SolidStroke);
1331     paintInfo.context->setStrokeColor(leftSeparatorColor, ColorSpaceDeviceRGB);
1332     paintInfo.context->drawLine(IntPoint(leftEdgeOfSeparator, bounds.y()),
1333                                 IntPoint(leftEdgeOfSeparator, bounds.maxY()));
1334
1335     paintInfo.context->setStrokeColor(rightSeparatorColor, ColorSpaceDeviceRGB);
1336     paintInfo.context->drawLine(IntPoint(leftEdgeOfSeparator + separatorSpace, bounds.y()),
1337                                 IntPoint(leftEdgeOfSeparator + separatorSpace, bounds.maxY()));
1338     return false;
1339 }
1340
1341 static const IntSize* menuListButtonSizes()
1342 {
1343     static const IntSize sizes[3] = { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) };
1344     return sizes;
1345 }
1346
1347 void RenderThemeMac::adjustMenuListStyle(StyleResolver& styleResolver, RenderStyle& style, Element* e) const
1348 {
1349     NSControlSize controlSize = controlSizeForFont(style);
1350
1351     style.resetBorder();
1352     style.resetPadding();
1353
1354     // Height is locked to auto.
1355     style.setHeight(Length(Auto));
1356
1357     // White-space is locked to pre
1358     style.setWhiteSpace(PRE);
1359
1360     // Set the foreground color to black or gray when we have the aqua look.
1361     // Cast to RGB32 is to work around a compiler bug.
1362     style.setColor(e && !e->isDisabledFormControl() ? static_cast<RGBA32>(Color::black) : Color::darkGray);
1363
1364     // Set the button's vertical size.
1365     setSizeFromFont(style, menuListButtonSizes());
1366
1367     // 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
1368     // a reasonable control size, but once that control size is determined, we throw that font away and use the appropriate
1369     // system font for the control size instead.
1370     setFontFromControlSize(styleResolver, style, controlSize);
1371
1372     style.setBoxShadow(nullptr);
1373 }
1374
1375 int RenderThemeMac::popupInternalPaddingLeft(RenderStyle& style) const
1376 {
1377     if (style.appearance() == MenulistPart)
1378         return popupButtonPadding(controlSizeForFont(style))[leftPadding] * style.effectiveZoom();
1379     if (style.appearance() == MenulistButtonPart)
1380         return styledPopupPaddingLeft * style.effectiveZoom();
1381     return 0;
1382 }
1383
1384 int RenderThemeMac::popupInternalPaddingRight(RenderStyle& style) const
1385 {
1386     if (style.appearance() == MenulistPart)
1387         return popupButtonPadding(controlSizeForFont(style))[rightPadding] * style.effectiveZoom();
1388     if (style.appearance() == MenulistButtonPart) {
1389         float fontScale = style.fontSize() / baseFontSize;
1390         float arrowWidth = baseArrowWidth * fontScale;
1391         return static_cast<int>(ceilf(arrowWidth + (arrowPaddingLeft + arrowPaddingRight + paddingBeforeSeparator) * style.effectiveZoom()));
1392     }
1393     return 0;
1394 }
1395
1396 int RenderThemeMac::popupInternalPaddingTop(RenderStyle& style) const
1397 {
1398     if (style.appearance() == MenulistPart)
1399         return popupButtonPadding(controlSizeForFont(style))[topPadding] * style.effectiveZoom();
1400     if (style.appearance() == MenulistButtonPart)
1401         return styledPopupPaddingTop * style.effectiveZoom();
1402     return 0;
1403 }
1404
1405 int RenderThemeMac::popupInternalPaddingBottom(RenderStyle& style) const
1406 {
1407     if (style.appearance() == MenulistPart)
1408         return popupButtonPadding(controlSizeForFont(style))[bottomPadding] * style.effectiveZoom();
1409     if (style.appearance() == MenulistButtonPart)
1410         return styledPopupPaddingBottom * style.effectiveZoom();
1411     return 0;
1412 }
1413
1414 PopupMenuStyle::PopupMenuSize RenderThemeMac::popupMenuSize(const RenderStyle& style, IntRect& rect) const
1415 {
1416     NSPopUpButtonCell* popupButton = this->popupButton();
1417     NSControlSize size = controlSizeForCell(popupButton, popupButtonSizes(), rect.size(), style.effectiveZoom());
1418     switch (size) {
1419     case NSRegularControlSize:
1420         return PopupMenuStyle::PopupMenuSizeNormal;
1421     case NSSmallControlSize:
1422         return PopupMenuStyle::PopupMenuSizeSmall;
1423     case NSMiniControlSize:
1424         return PopupMenuStyle::PopupMenuSizeMini;
1425     default:
1426         return PopupMenuStyle::PopupMenuSizeNormal;
1427     }
1428 }
1429
1430 void RenderThemeMac::adjustMenuListButtonStyle(StyleResolver&, RenderStyle& style, Element*) const
1431 {
1432     float fontScale = style.fontSize() / baseFontSize;
1433
1434     style.resetPadding();
1435     style.setBorderRadius(IntSize(int(baseBorderRadius + fontScale - 1), int(baseBorderRadius + fontScale - 1))); // FIXME: Round up?
1436
1437     const int minHeight = 15;
1438     style.setMinHeight(Length(minHeight, Fixed));
1439
1440     style.setLineHeight(RenderStyle::initialLineHeight());
1441 }
1442
1443 void RenderThemeMac::setPopupButtonCellState(const RenderObject& o, const IntSize& buttonSize)
1444 {
1445     NSPopUpButtonCell* popupButton = this->popupButton();
1446
1447     // Set the control size based off the rectangle we're painting into.
1448     setControlSize(popupButton, popupButtonSizes(), buttonSize, o.style().effectiveZoom());
1449
1450     // Update the various states we respond to.
1451     updateCheckedState(popupButton, o);
1452     updateEnabledState(popupButton, o);
1453     updatePressedState(popupButton, o);
1454 }
1455
1456 const IntSize* RenderThemeMac::menuListSizes() const
1457 {
1458     static const IntSize sizes[3] = { IntSize(9, 0), IntSize(5, 0), IntSize(0, 0) };
1459     return sizes;
1460 }
1461
1462 int RenderThemeMac::minimumMenuListSize(RenderStyle& style) const
1463 {
1464     return sizeForSystemFont(style, menuListSizes()).width();
1465 }
1466
1467 const int trackWidth = 5;
1468 const int trackRadius = 2;
1469
1470 void RenderThemeMac::adjustSliderTrackStyle(StyleResolver&, RenderStyle& style, Element*) const
1471 {
1472     style.setBoxShadow(nullptr);
1473 }
1474
1475 bool RenderThemeMac::paintSliderTrack(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1476 {
1477     IntRect bounds = r;
1478     float zoomLevel = o.style().effectiveZoom();
1479     float zoomedTrackWidth = trackWidth * zoomLevel;
1480
1481     if (o.style().appearance() ==  SliderHorizontalPart || o.style().appearance() ==  MediaSliderPart) {
1482         bounds.setHeight(zoomedTrackWidth);
1483         bounds.setY(r.y() + r.height() / 2 - zoomedTrackWidth / 2);
1484     } else if (o.style().appearance() == SliderVerticalPart) {
1485         bounds.setWidth(zoomedTrackWidth);
1486         bounds.setX(r.x() + r.width() / 2 - zoomedTrackWidth / 2);
1487     }
1488
1489     LocalCurrentGraphicsContext localContext(paintInfo.context);
1490     CGContextRef context = localContext.cgContext();
1491     CGColorSpaceRef cspace = deviceRGBColorSpaceRef();
1492
1493 #if ENABLE(DATALIST_ELEMENT)
1494     paintSliderTicks(o, paintInfo, r);
1495 #endif
1496
1497     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1498     CGContextClipToRect(context, bounds);
1499
1500     struct CGFunctionCallbacks mainCallbacks = { 0, TrackGradientInterpolate, NULL };
1501     RetainPtr<CGFunctionRef> mainFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &mainCallbacks));
1502     RetainPtr<CGShadingRef> mainShading;
1503     if (o.style().appearance() == SliderVerticalPart)
1504         mainShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(bounds.x(),  bounds.maxY()), CGPointMake(bounds.maxX(), bounds.maxY()), mainFunction.get(), false, false));
1505     else
1506         mainShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(bounds.x(),  bounds.y()), CGPointMake(bounds.x(), bounds.maxY()), mainFunction.get(), false, false));
1507
1508     IntSize radius(trackRadius, trackRadius);
1509     paintInfo.context->clipRoundedRect(FloatRoundedRect(bounds, radius, radius, radius, radius));
1510     context = localContext.cgContext();
1511     CGContextDrawShading(context, mainShading.get());
1512
1513     return false;
1514 }
1515
1516 void RenderThemeMac::adjustSliderThumbStyle(StyleResolver& styleResolver, RenderStyle& style, Element* element) const
1517 {
1518     RenderTheme::adjustSliderThumbStyle(styleResolver, style, element);
1519     style.setBoxShadow(nullptr);
1520 }
1521
1522 const float verticalSliderHeightPadding = 0.1f;
1523
1524 bool RenderThemeMac::paintSliderThumb(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1525 {
1526     NSSliderCell* sliderThumbCell = o.style().appearance() == SliderThumbVerticalPart
1527         ? sliderThumbVertical()
1528         : sliderThumbHorizontal();
1529
1530     LocalCurrentGraphicsContext localContext(paintInfo.context);
1531
1532     // Update the various states we respond to.
1533     updateEnabledState(sliderThumbCell, o);
1534         Element* focusDelegate = (o.node() && o.node()->isElementNode()) ? toElement(o.node())->focusDelegate() : 0;
1535     if (focusDelegate)
1536         updateFocusedState(sliderThumbCell, *focusDelegate->renderer());
1537
1538     // Update the pressed state using the NSCell tracking methods, since that's how NSSliderCell keeps track of it.
1539     bool oldPressed;
1540     if (o.style().appearance() == SliderThumbVerticalPart)
1541         oldPressed = m_isSliderThumbVerticalPressed;
1542     else
1543         oldPressed = m_isSliderThumbHorizontalPressed;
1544
1545     bool pressed = isPressed(o);
1546
1547     if (o.style().appearance() == SliderThumbVerticalPart)
1548         m_isSliderThumbVerticalPressed = pressed;
1549     else
1550         m_isSliderThumbHorizontalPressed = pressed;
1551
1552     if (pressed != oldPressed) {
1553         if (pressed)
1554             [sliderThumbCell startTrackingAt:NSPoint() inView:nil];
1555         else
1556             [sliderThumbCell stopTracking:NSPoint() at:NSPoint() inView:nil mouseIsUp:YES];
1557     }
1558
1559     FloatRect bounds = r;
1560     // Make the height of the vertical slider slightly larger so NSSliderCell will draw a vertical slider.
1561     if (o.style().appearance() == SliderThumbVerticalPart)
1562         bounds.setHeight(bounds.height() + verticalSliderHeightPadding * o.style().effectiveZoom());
1563
1564     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1565     float zoomLevel = o.style().effectiveZoom();
1566
1567     FloatRect unzoomedRect = bounds;
1568     if (zoomLevel != 1.0f) {
1569         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1570         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1571         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1572         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1573         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1574     }
1575
1576     [sliderThumbCell drawInteriorWithFrame:unzoomedRect inView:documentViewFor(o)];
1577     [sliderThumbCell setControlView:nil];
1578
1579     return false;
1580 }
1581
1582 bool RenderThemeMac::paintSearchField(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1583 {
1584     LocalCurrentGraphicsContext localContext(paintInfo.context);
1585     NSSearchFieldCell* search = this->search();
1586
1587     setSearchCellState(o, r);
1588
1589     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1590
1591     float zoomLevel = o.style().effectiveZoom();
1592
1593     IntRect unzoomedRect = r;
1594
1595     if (zoomLevel != 1.0f) {
1596         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1597         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1598         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1599         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1600         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1601     }
1602
1603     // Set the search button to nil before drawing.  Then reset it so we can draw it later.
1604     [search setSearchButtonCell:nil];
1605
1606     [search drawWithFrame:NSRect(unzoomedRect) inView:documentViewFor(o)];
1607
1608     [search setControlView:nil];
1609     [search resetSearchButtonCell];
1610
1611     return false;
1612 }
1613
1614 void RenderThemeMac::setSearchCellState(const RenderObject& o, const IntRect&)
1615 {
1616     NSSearchFieldCell* search = this->search();
1617
1618     [search setControlSize:controlSizeForFont(o.style())];
1619
1620     // Update the various states we respond to.
1621     updateEnabledState(search, o);
1622     updateFocusedState(search, o);
1623 }
1624
1625 const IntSize* RenderThemeMac::searchFieldSizes() const
1626 {
1627     static const IntSize sizes[3] = { IntSize(0, 22), IntSize(0, 19), IntSize(0, 17) };
1628     return sizes;
1629 }
1630
1631 void RenderThemeMac::setSearchFieldSize(RenderStyle& style) const
1632 {
1633     // If the width and height are both specified, then we have nothing to do.
1634     if (!style.width().isIntrinsicOrAuto() && !style.height().isAuto())
1635         return;
1636
1637     // Use the font size to determine the intrinsic width of the control.
1638     setSizeFromFont(style, searchFieldSizes());
1639 }
1640
1641 void RenderThemeMac::adjustSearchFieldStyle(StyleResolver& styleResolver, RenderStyle& style, Element*) const
1642 {
1643     // Override border.
1644     style.resetBorder();
1645     const short borderWidth = 2 * style.effectiveZoom();
1646     style.setBorderLeftWidth(borderWidth);
1647     style.setBorderLeftStyle(INSET);
1648     style.setBorderRightWidth(borderWidth);
1649     style.setBorderRightStyle(INSET);
1650     style.setBorderBottomWidth(borderWidth);
1651     style.setBorderBottomStyle(INSET);
1652     style.setBorderTopWidth(borderWidth);
1653     style.setBorderTopStyle(INSET);
1654
1655     // Override height.
1656     style.setHeight(Length(Auto));
1657     setSearchFieldSize(style);
1658
1659     // Override padding size to match AppKit text positioning.
1660     const int padding = 1 * style.effectiveZoom();
1661     style.setPaddingLeft(Length(padding, Fixed));
1662     style.setPaddingRight(Length(padding, Fixed));
1663     style.setPaddingTop(Length(padding, Fixed));
1664     style.setPaddingBottom(Length(padding, Fixed));
1665
1666     NSControlSize controlSize = controlSizeForFont(style);
1667     setFontFromControlSize(styleResolver, style, controlSize);
1668
1669     style.setBoxShadow(nullptr);
1670 }
1671
1672 bool RenderThemeMac::paintSearchFieldCancelButton(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1673 {
1674     Element* input = o.node()->shadowHost();
1675     if (!input)
1676         input = toElement(o.node());
1677
1678     if (!input->renderer()->isBox())
1679         return false;
1680
1681     LocalCurrentGraphicsContext localContext(paintInfo.context);
1682     setSearchCellState(*input->renderer(), r);
1683
1684     NSSearchFieldCell* search = this->search();
1685
1686     if (!input->isDisabledFormControl() && (input->isTextFormControl() && !toHTMLTextFormControlElement(*input).isReadOnly()))
1687         updatePressedState([search cancelButtonCell], o);
1688     else if ([[search cancelButtonCell] isHighlighted])
1689         [[search cancelButtonCell] setHighlighted:NO];
1690
1691     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1692
1693     float zoomLevel = o.style().effectiveZoom();
1694
1695     FloatRect localBounds = [search cancelButtonRectForBounds:NSRect(input->renderBox()->pixelSnappedBorderBoxRect())];
1696     localBounds = convertToPaintingRect(*input->renderer(), o, localBounds, r);
1697
1698     FloatRect unzoomedRect(localBounds);
1699     if (zoomLevel != 1.0f) {
1700         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1701         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1702         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1703         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1704         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1705     }
1706
1707     [[search cancelButtonCell] drawWithFrame:unzoomedRect inView:documentViewFor(o)];
1708     [[search cancelButtonCell] setControlView:nil];
1709     return false;
1710 }
1711
1712 const IntSize* RenderThemeMac::cancelButtonSizes() const
1713 {
1714     static const IntSize sizes[3] = { IntSize(16, 13), IntSize(13, 11), IntSize(13, 9) };
1715     return sizes;
1716 }
1717
1718 void RenderThemeMac::adjustSearchFieldCancelButtonStyle(StyleResolver&, RenderStyle& style, Element*) const
1719 {
1720     IntSize size = sizeForSystemFont(style, cancelButtonSizes());
1721     style.setWidth(Length(size.width(), Fixed));
1722     style.setHeight(Length(size.height(), Fixed));
1723     style.setBoxShadow(nullptr);
1724 }
1725
1726 const IntSize* RenderThemeMac::resultsButtonSizes() const
1727 {
1728     static const IntSize sizes[3] = { IntSize(19, 13), IntSize(17, 11), IntSize(17, 9) };
1729     return sizes;
1730 }
1731
1732 const int emptyResultsOffset = 9;
1733 void RenderThemeMac::adjustSearchFieldDecorationPartStyle(StyleResolver&, RenderStyle& style, Element*) const
1734 {
1735     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
1736     style.setWidth(Length(size.width() - emptyResultsOffset, Fixed));
1737     style.setHeight(Length(size.height(), Fixed));
1738     style.setBoxShadow(nullptr);
1739 }
1740
1741 bool RenderThemeMac::paintSearchFieldDecorationPart(const RenderObject&, const PaintInfo&, const IntRect&)
1742 {
1743     return false;
1744 }
1745
1746 void RenderThemeMac::adjustSearchFieldResultsDecorationPartStyle(StyleResolver&, RenderStyle& style, Element*) const
1747 {
1748     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
1749     style.setWidth(Length(size.width(), Fixed));
1750     style.setHeight(Length(size.height(), Fixed));
1751     style.setBoxShadow(nullptr);
1752 }
1753
1754 bool RenderThemeMac::paintSearchFieldResultsDecorationPart(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1755 {
1756     Node* input = o.node()->shadowHost();
1757     if (!input)
1758         input = o.node();
1759     if (!input->renderer()->isBox())
1760         return false;
1761
1762     LocalCurrentGraphicsContext localContext(paintInfo.context);
1763     setSearchCellState(*input->renderer(), r);
1764
1765     NSSearchFieldCell* search = this->search();
1766
1767     if ([search searchMenuTemplate] != nil)
1768         [search setSearchMenuTemplate:nil];
1769
1770     FloatRect localBounds = [search searchButtonRectForBounds:NSRect(input->renderBox()->pixelSnappedBorderBoxRect())];
1771     localBounds = convertToPaintingRect(*input->renderer(), o, localBounds, r);
1772
1773     [[search searchButtonCell] drawWithFrame:localBounds inView:documentViewFor(o)];
1774     [[search searchButtonCell] setControlView:nil];
1775     return false;
1776 }
1777
1778 const int resultsArrowWidth = 5;
1779 void RenderThemeMac::adjustSearchFieldResultsButtonStyle(StyleResolver&, RenderStyle& style, Element*) const
1780 {
1781     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
1782     style.setWidth(Length(size.width() + resultsArrowWidth, Fixed));
1783     style.setHeight(Length(size.height(), Fixed));
1784     style.setBoxShadow(nullptr);
1785 }
1786
1787 bool RenderThemeMac::paintSearchFieldResultsButton(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1788 {
1789     Node* input = o.node()->shadowHost();
1790     if (!input)
1791         input = o.node();
1792     if (!input->renderer()->isBox())
1793         return false;
1794
1795     LocalCurrentGraphicsContext localContext(paintInfo.context);
1796     setSearchCellState(*input->renderer(), r);
1797
1798     NSSearchFieldCell* search = this->search();
1799
1800     if (![search searchMenuTemplate])
1801         [search setSearchMenuTemplate:searchMenuTemplate()];
1802
1803     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1804     float zoomLevel = o.style().effectiveZoom();
1805
1806     FloatRect localBounds = [search searchButtonRectForBounds:NSRect(input->renderBox()->pixelSnappedBorderBoxRect())];
1807     localBounds = convertToPaintingRect(*input->renderer(), o, localBounds, r);
1808
1809     IntRect unzoomedRect(localBounds);
1810     if (zoomLevel != 1.0f) {
1811         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1812         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1813         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1814         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1815         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1816     }
1817
1818     [[search searchButtonCell] drawWithFrame:unzoomedRect inView:documentViewFor(o)];
1819     [[search searchButtonCell] setControlView:nil];
1820
1821     return false;
1822 }
1823
1824 bool RenderThemeMac::paintSnapshottedPluginOverlay(const RenderObject& o, const PaintInfo& paintInfo, const IntRect&)
1825 {
1826     if (paintInfo.phase != PaintPhaseBlockBackground)
1827         return true;
1828
1829     if (!o.isRenderBlock())
1830         return true;
1831
1832     const RenderBlock& renderBlock = *toRenderBlock(&o);
1833
1834     LayoutUnit contentWidth = renderBlock.contentWidth();
1835     LayoutUnit contentHeight = renderBlock.contentHeight();
1836     if (!contentWidth || !contentHeight)
1837         return true;
1838
1839     GraphicsContext* context = paintInfo.context;
1840
1841     LayoutSize contentSize(contentWidth, contentHeight);
1842     LayoutPoint contentLocation = renderBlock.location();
1843     contentLocation.move(renderBlock.borderLeft() + renderBlock.paddingLeft(), renderBlock.borderTop() + renderBlock.paddingTop());
1844
1845     LayoutRect rect(contentLocation, contentSize);
1846     IntRect alignedRect = snappedIntRect(rect);
1847     if (alignedRect.width() <= 0 || alignedRect.height() <= 0)
1848         return true;
1849
1850     // We need to get the snapshot image from the plugin element, which should be available
1851     // from our node. Assuming this node is the plugin overlay element, we should get to the
1852     // plugin itself by asking for the shadow root parent, and then its parent.
1853
1854     if (!renderBlock.element()->isHTMLElement())
1855         return true;
1856
1857     HTMLElement* plugInOverlay = toHTMLElement(renderBlock.element());
1858     Element* parent = plugInOverlay->parentOrShadowHostElement();
1859     while (parent && !parent->isPluginElement())
1860         parent = parent->parentOrShadowHostElement();
1861
1862     if (!parent)
1863         return true;
1864
1865     HTMLPlugInElement* plugInElement = toHTMLPlugInElement(parent);
1866     if (!plugInElement->isPlugInImageElement())
1867         return true;
1868
1869     HTMLPlugInImageElement& plugInImageElement = toHTMLPlugInImageElement(*plugInElement);
1870
1871     Image* snapshot = plugInImageElement.snapshotImage();
1872     if (!snapshot)
1873         return true;
1874
1875     RenderSnapshottedPlugIn* plugInRenderer = toRenderSnapshottedPlugIn(plugInImageElement.renderer());
1876     FloatPoint snapshotAbsPos = plugInRenderer->localToAbsolute();
1877     snapshotAbsPos.move(plugInRenderer->borderLeft() + plugInRenderer->paddingLeft(), plugInRenderer->borderTop() + plugInRenderer->paddingTop());
1878
1879     // We could draw the snapshot with that coordinates, but we need to make sure there
1880     // isn't a composited layer between us and the plugInRenderer.
1881     const RenderBox* renderBox = toRenderBox(&o);
1882     while (renderBox != plugInRenderer) {
1883         if (renderBox->hasLayer() && renderBox->layer() && renderBox->layer()->isComposited()) {
1884             snapshotAbsPos = -renderBox->location();
1885             break;
1886         }
1887         renderBox = renderBox->parentBox();
1888     }
1889
1890     LayoutSize pluginSize(plugInRenderer->contentWidth(), plugInRenderer->contentHeight());
1891     LayoutRect pluginRect(snapshotAbsPos, pluginSize);
1892     IntRect alignedPluginRect = snappedIntRect(pluginRect);
1893
1894     if (alignedPluginRect.width() <= 0 || alignedPluginRect.height() <= 0)
1895         return true;
1896
1897     context->drawImage(snapshot, plugInRenderer->style().colorSpace(), alignedPluginRect, CompositeSourceOver);
1898     return false;
1899 }
1900
1901 #if ENABLE(DATALIST_ELEMENT)
1902 IntSize RenderThemeMac::sliderTickSize() const
1903 {
1904     return IntSize(1, 3);
1905 }
1906
1907 int RenderThemeMac::sliderTickOffsetFromTrackCenter() const
1908 {
1909     return -9;
1910 }
1911 #endif
1912
1913 const int sliderThumbWidth = 15;
1914 const int sliderThumbHeight = 15;
1915
1916 void RenderThemeMac::adjustSliderThumbSize(RenderStyle& style, Element*) const
1917 {
1918     float zoomLevel = style.effectiveZoom();
1919     if (style.appearance() == SliderThumbHorizontalPart || style.appearance() == SliderThumbVerticalPart) {
1920         style.setWidth(Length(static_cast<int>(sliderThumbWidth * zoomLevel), Fixed));
1921         style.setHeight(Length(static_cast<int>(sliderThumbHeight * zoomLevel), Fixed));
1922     }
1923 }
1924
1925 bool RenderThemeMac::shouldShowPlaceholderWhenFocused() const
1926 {
1927     return true;
1928 }
1929
1930 NSPopUpButtonCell* RenderThemeMac::popupButton() const
1931 {
1932     if (!m_popupButton) {
1933         m_popupButton = adoptNS([[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO]);
1934         [m_popupButton.get() setUsesItemFromMenu:NO];
1935         [m_popupButton.get() setFocusRingType:NSFocusRingTypeExterior];
1936         // We don't want the app's UI layout direction to affect the appearance of popup buttons in
1937         // web content, which has its own layout direction.
1938         // FIXME: Make this depend on the directionality of the select element, once the rest of the
1939         // rendering code can account for the popup arrows appearing on the other side.
1940         [m_popupButton setUserInterfaceLayoutDirection:NSUserInterfaceLayoutDirectionLeftToRight];
1941     }
1942
1943     return m_popupButton.get();
1944 }
1945
1946 NSSearchFieldCell* RenderThemeMac::search() const
1947 {
1948     if (!m_search) {
1949         m_search = adoptNS([[NSSearchFieldCell alloc] initTextCell:@""]);
1950         [m_search.get() setBezelStyle:NSTextFieldRoundedBezel];
1951         [m_search.get() setBezeled:YES];
1952         [m_search.get() setEditable:YES];
1953         [m_search.get() setFocusRingType:NSFocusRingTypeExterior];
1954 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
1955         [m_search.get() setCenteredLook:NO];
1956 #endif
1957     }
1958
1959     return m_search.get();
1960 }
1961
1962 NSMenu* RenderThemeMac::searchMenuTemplate() const
1963 {
1964     if (!m_searchMenuTemplate)
1965         m_searchMenuTemplate = adoptNS([[NSMenu alloc] initWithTitle:@""]);
1966
1967     return m_searchMenuTemplate.get();
1968 }
1969
1970 NSSliderCell* RenderThemeMac::sliderThumbHorizontal() const
1971 {
1972     if (!m_sliderThumbHorizontal) {
1973         m_sliderThumbHorizontal = adoptNS([[NSSliderCell alloc] init]);
1974         [m_sliderThumbHorizontal.get() setSliderType:NSLinearSlider];
1975         [m_sliderThumbHorizontal.get() setControlSize:NSSmallControlSize];
1976         [m_sliderThumbHorizontal.get() setFocusRingType:NSFocusRingTypeExterior];
1977     }
1978
1979     return m_sliderThumbHorizontal.get();
1980 }
1981
1982 NSSliderCell* RenderThemeMac::sliderThumbVertical() const
1983 {
1984     if (!m_sliderThumbVertical) {
1985         m_sliderThumbVertical = adoptNS([[NSSliderCell alloc] init]);
1986         [m_sliderThumbVertical.get() setSliderType:NSLinearSlider];
1987         [m_sliderThumbVertical.get() setControlSize:NSSmallControlSize];
1988         [m_sliderThumbVertical.get() setFocusRingType:NSFocusRingTypeExterior];
1989     }
1990
1991     return m_sliderThumbVertical.get();
1992 }
1993
1994 NSTextFieldCell* RenderThemeMac::textField() const
1995 {
1996     if (!m_textField) {
1997         m_textField = adoptNS([[WebCoreTextFieldCell alloc] initTextCell:@""]);
1998         [m_textField.get() setBezeled:YES];
1999         [m_textField.get() setEditable:YES];
2000         [m_textField.get() setFocusRingType:NSFocusRingTypeExterior];
2001         // Post-Lion, WebCore can be in charge of paintinng the background thanks to
2002         // the workaround in place for <rdar://problem/11385461>, which is implemented
2003         // above as _coreUIDrawOptionsWithFrame.
2004         [m_textField.get() setDrawsBackground:NO];
2005     }
2006
2007     return m_textField.get();
2008 }
2009
2010 String RenderThemeMac::fileListNameForWidth(const FileList* fileList, const Font& font, int width, bool multipleFilesAllowed) const
2011 {
2012     if (width <= 0)
2013         return String();
2014
2015     String strToTruncate;
2016     if (fileList->isEmpty())
2017         strToTruncate = fileListDefaultLabel(multipleFilesAllowed);
2018     else if (fileList->length() == 1)
2019         strToTruncate = [[NSFileManager defaultManager] displayNameAtPath:(fileList->item(0)->path())];
2020     else
2021         return StringTruncator::rightTruncate(multipleFileUploadText(fileList->length()), width, font, StringTruncator::EnableRoundingHacks);
2022
2023     return StringTruncator::centerTruncate(strToTruncate, width, font, StringTruncator::EnableRoundingHacks);
2024 }
2025
2026 bool RenderThemeMac::defaultButtonHasAnimation() const
2027 {
2028 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
2029     return false;
2030 #else
2031     return true;
2032 #endif
2033 }
2034
2035 #if ENABLE(SERVICE_CONTROLS)
2036 NSServicesRolloverButtonCell* RenderThemeMac::servicesRolloverButtonCell() const
2037 {
2038 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2039     if (!m_servicesRolloverButton) {
2040         m_servicesRolloverButton = [NSServicesRolloverButtonCell serviceRolloverButtonCellForStyle:NSSharingServicePickerStyleRollover];
2041         [m_servicesRolloverButton setBezelStyle:NSRoundedDisclosureBezelStyle];
2042         [m_servicesRolloverButton setButtonType:NSPushOnPushOffButton];
2043         [m_servicesRolloverButton setImagePosition:NSImageOnly];
2044         [m_servicesRolloverButton setState:NO];
2045     }
2046
2047     return m_servicesRolloverButton.get();
2048 #else
2049     return nil;
2050 #endif
2051 }
2052
2053 bool RenderThemeMac::paintImageControlsButton(const RenderObject& renderer, const PaintInfo& paintInfo, const IntRect& rect)
2054 {
2055     if (paintInfo.phase != PaintPhaseBlockBackground)
2056         return true;
2057
2058 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2059     NSServicesRolloverButtonCell *cell = servicesRolloverButtonCell();
2060
2061     LocalCurrentGraphicsContext localContext(paintInfo.context);
2062     GraphicsContextStateSaver stateSaver(*paintInfo.context);
2063
2064     paintInfo.context->translate(rect.x(), rect.y());
2065
2066     IntRect innerFrame(IntPoint(), rect.size());
2067     [cell drawWithFrame:innerFrame inView:documentViewFor(renderer)];
2068     [cell setControlView:nil];
2069 #else
2070     UNUSED_PARAM(renderer);
2071     UNUSED_PARAM(rect);
2072 #endif
2073
2074     return true;
2075 }
2076
2077 IntSize RenderThemeMac::imageControlsButtonSize(const RenderObject&) const
2078 {
2079 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2080     return IntSize(servicesRolloverButtonCell().cellSize);
2081 #else
2082     return IntSize();
2083 #endif
2084 }
2085
2086 IntSize RenderThemeMac::imageControlsButtonPositionOffset() const
2087 {
2088 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2089     // FIXME: Currently the offsets will always be the same no matter what image rect you try with.
2090     // This may not always be true in the future.
2091     static const int dummyDimension = 100;
2092     IntRect dummyImageRect(0, 0, dummyDimension, dummyDimension);
2093     NSRect bounds = [servicesRolloverButtonCell() rectForBounds:dummyImageRect preferredEdge:NSMinYEdge];
2094
2095     return IntSize(dummyDimension - bounds.origin.x, bounds.origin.y);
2096 #else
2097     return IntSize();
2098 #endif
2099 }
2100 #endif
2101
2102 } // namespace WebCore
2103
2104 #endif // !PLATFORM(IOS)