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 CSSValueCaptiontext:
 520         color = convertNSColorToColor([NSColor textColor]);
 521         break;
 522     case CSSValueGraytext:
 523         color = convertNSColorToColor([NSColor disabledControlTextColor]);
 524         break;
 525     case CSSValueHighlight:
 526         color = convertNSColorToColor([NSColor selectedTextBackgroundColor]);
 527         break;
 528     case CSSValueHighlighttext:
 529         color = convertNSColorToColor([NSColor selectedTextColor]);
 530         break;
 531     case CSSValueInactiveborder:
 532         color = convertNSColorToColor([NSColor controlBackgroundColor]);
 533         break;
 534     case CSSValueInactivecaption:
 535         color = convertNSColorToColor([NSColor controlBackgroundColor]);
 536         break;
 537     case CSSValueInactivecaptiontext:
 538         color = convertNSColorToColor([NSColor textColor]);
 539         break;
 540     case CSSValueInfobackground:
 541         // There is no corresponding NSColor for this so we use a hard coded value.
 542         color = 0xFFFBFCC5;
 543         break;
 544     case CSSValueInfotext:
 545         color = convertNSColorToColor([NSColor textColor]);
 546         break;
 547     case CSSValueMenu:
 548         color = menuBackgroundColor();
 549         break;
 550     case CSSValueMenutext:
 551         color = convertNSColorToColor([NSColor selectedMenuItemTextColor]);
 552         break;
 553     case CSSValueScrollbar:
 554         color = convertNSColorToColor([NSColor scrollBarColor]);
 555         break;
 556     case CSSValueText:
 557         color = convertNSColorToColor([NSColor textColor]);
 558         break;
 559     case CSSValueThreeddarkshadow:
 560         color = convertNSColorToColor([NSColor controlDarkShadowColor]);
 561         break;
 562     case CSSValueThreedshadow:
 563         color = convertNSColorToColor([NSColor shadowColor]);
 564         break;
 565     case CSSValueThreedface:
 566         // We use this value instead of NSColor's controlColor to avoid website incompatibilities.
 567         // We may want to change this to use the NSColor in future.
 568         color = 0xFFC0C0C0;
 569         break;
 570     case CSSValueThreedhighlight:
 571         color = convertNSColorToColor([NSColor highlightColor]);
 572         break;
 573     case CSSValueThreedlightshadow:
 574         color = convertNSColorToColor([NSColor controlLightHighlightColor]);
 575         break;
 576     case CSSValueWebkitFocusRingColor:
 577         color = convertNSColorToColor([NSColor keyboardFocusIndicatorColor]);
 578         break;
 579     case CSSValueWindow:
 580         color = convertNSColorToColor([NSColor windowBackgroundColor]);
 581         break;
 582     case CSSValueWindowframe:
 583         color = convertNSColorToColor([NSColor windowFrameColor]);
 584         break;
 585     case CSSValueWindowtext:
 586         color = convertNSColorToColor([NSColor windowFrameTextColor]);
 587         break;
 588     default:
 589         break;
 590     }
 591
 592     if (!color.isValid())
 593         color = RenderTheme::systemColor(cssValueId);
 594
 595     if (color.isValid())
 596         m_systemColorCache.set(cssValueId, color.rgb());
 597
 598     return color;
 599 }
 600
 601 bool RenderThemeMac::usesTestModeFocusRingColor() const
 602 {
 603     return WebCore::usesTestModeFocusRingColor();
 604 }
 605
 606 bool RenderThemeMac::isControlStyled(const RenderStyle& style, const BorderData& border,
 607                                      const FillLayer& background, const Color& backgroundColor) const
 608 {
 609     if (style.appearance() == TextFieldPart || style.appearance() == TextAreaPart || style.appearance() == ListboxPart)
 610         return style.border() != border;
 611
 612     // FIXME: This is horrible, but there is not much else that can be done.  Menu lists cannot draw properly when
 613     // scaled.  They can't really draw properly when transformed either.  We can't detect the transform case at style
 614     // adjustment time so that will just have to stay broken.  We can however detect that we're zooming.  If zooming
 615     // is in effect we treat it like the control is styled.
 616     if (style.appearance() == MenulistPart && style.effectiveZoom() != 1.0f)
 617         return true;
 618
 619     return RenderTheme::isControlStyled(style, border, background, backgroundColor);
 620 }
 621
 622 static FloatRect inflateRect(const FloatRect& rect, const IntSize& size, const int* margins, float zoomLevel)
 623 {
 624     // Only do the inflation if the available width/height are too small. Otherwise try to
 625     // fit the glow/check space into the available box's width/height.
 626     int widthDelta = rect.width() - (size.width() + margins[leftMargin] * zoomLevel + margins[rightMargin] * zoomLevel);
 627     int heightDelta = rect.height() - (size.height() + margins[topMargin] * zoomLevel + margins[bottomMargin] * zoomLevel);
 628     FloatRect result(rect);
 629     if (widthDelta < 0) {
 630         result.setX(result.x() - margins[leftMargin] * zoomLevel);
 631         result.setWidth(result.width() - widthDelta);
 632     }
 633     if (heightDelta < 0) {
 634         result.setY(result.y() - margins[topMargin] * zoomLevel);
 635         result.setHeight(result.height() - heightDelta);
 636     }
 637     return result;
 638 }
 639
 640 void RenderThemeMac::adjustRepaintRect(const RenderObject& renderer, FloatRect& rect)
 641 {
 642     ControlPart part = renderer.style().appearance();
 643
 644 #if USE(NEW_THEME)
 645     switch (part) {
 646         case CheckboxPart:
 647         case RadioPart:
 648         case PushButtonPart:
 649         case SquareButtonPart:
 650         case DefaultButtonPart:
 651         case ButtonPart:
 652         case InnerSpinButtonPart:
 653             return RenderTheme::adjustRepaintRect(renderer, rect);
 654         default:
 655             break;
 656     }
 657 #endif
 658
 659     float zoomLevel = renderer.style().effectiveZoom();
 660
 661     if (part == MenulistPart) {
 662         setPopupButtonCellState(renderer, IntSize(rect.size()));
 663         IntSize size = popupButtonSizes()[[popupButton() controlSize]];
 664         size.setHeight(size.height() * zoomLevel);
 665         size.setWidth(rect.width());
 666         rect = inflateRect(rect, size, popupButtonMargins(), zoomLevel);
 667     }
 668 }
 669
 670 FloatRect RenderThemeMac::convertToPaintingRect(const RenderObject& inputRenderer, const RenderObject& partRenderer, const FloatRect& inputRect, const IntRect& r) const
 671 {
 672     FloatRect partRect(inputRect);
 673
 674     // Compute an offset between the part renderer and the input renderer
 675     FloatSize offsetFromInputRenderer;
 676     const RenderObject* renderer = &partRenderer;
 677     while (renderer && renderer != &inputRenderer) {
 678         RenderElement* containingRenderer = renderer->container();
 679         offsetFromInputRenderer -= roundedIntSize(renderer->offsetFromContainer(containingRenderer, LayoutPoint()));
 680         renderer = containingRenderer;
 681     }
 682     // If the input renderer was not a container, something went wrong
 683     ASSERT(renderer == &inputRenderer);
 684     // Move the rect into partRenderer's coords
 685     partRect.move(offsetFromInputRenderer);
 686     // Account for the local drawing offset (tx, ty)
 687     partRect.move(r.x(), r.y());
 688
 689     return partRect;
 690 }
 691
 692 void RenderThemeMac::updateCheckedState(NSCell* cell, const RenderObject& o)
 693 {
 694     bool oldIndeterminate = [cell state] == NSMixedState;
 695     bool indeterminate = isIndeterminate(o);
 696     bool checked = isChecked(o);
 697
 698     if (oldIndeterminate != indeterminate) {
 699         [cell setState:indeterminate ? NSMixedState : (checked ? NSOnState : NSOffState)];
 700         return;
 701     }
 702
 703     bool oldChecked = [cell state] == NSOnState;
 704     if (checked != oldChecked)
 705         [cell setState:checked ? NSOnState : NSOffState];
 706 }
 707
 708 void RenderThemeMac::updateEnabledState(NSCell* cell, const RenderObject& o)
 709 {
 710     bool oldEnabled = [cell isEnabled];
 711     bool enabled = isEnabled(o);
 712     if (enabled != oldEnabled)
 713         [cell setEnabled:enabled];
 714 }
 715
 716 void RenderThemeMac::updateFocusedState(NSCell* cell, const RenderObject& o)
 717 {
 718     bool oldFocused = [cell showsFirstResponder];
 719     bool focused = isFocused(o) && o.style().outlineStyleIsAuto();
 720     if (focused != oldFocused)
 721         [cell setShowsFirstResponder:focused];
 722 }
 723
 724 void RenderThemeMac::updatePressedState(NSCell* cell, const RenderObject& o)
 725 {
 726     bool oldPressed = [cell isHighlighted];
 727     bool pressed = o.node() && o.node()->isElementNode() && toElement(o.node())->active();
 728     if (pressed != oldPressed)
 729         [cell setHighlighted:pressed];
 730 }
 731
 732 bool RenderThemeMac::controlSupportsTints(const RenderObject& o) const
 733 {
 734     // An alternate way to implement this would be to get the appropriate cell object
 735     // and call the private _needRedrawOnWindowChangedKeyState method. An advantage of
 736     // that would be that we would match AppKit behavior more closely, but a disadvantage
 737     // would be that we would rely on an AppKit SPI method.
 738
 739     if (!isEnabled(o))
 740         return false;
 741
 742     // Checkboxes only have tint when checked.
 743     if (o.style().appearance() == CheckboxPart)
 744         return isChecked(o);
 745
 746     // For now assume other controls have tint if enabled.
 747     return true;
 748 }
 749
 750 NSControlSize RenderThemeMac::controlSizeForFont(RenderStyle& style) const
 751 {
 752     int fontSize = style.fontSize();
 753     if (fontSize >= 16)
 754         return NSRegularControlSize;
 755     if (fontSize >= 11)
 756         return NSSmallControlSize;
 757     return NSMiniControlSize;
 758 }
 759
 760 NSControlSize RenderThemeMac::controlSizeForCell(NSCell*, const IntSize* sizes, const IntSize& minSize, float zoomLevel) const
 761 {
 762     if (minSize.width() >= static_cast<int>(sizes[NSRegularControlSize].width() * zoomLevel)
 763         && minSize.height() >= static_cast<int>(sizes[NSRegularControlSize].height() * zoomLevel))
 764         return NSRegularControlSize;
 765
 766     if (minSize.width() >= static_cast<int>(sizes[NSSmallControlSize].width() * zoomLevel)
 767         && minSize.height() >= static_cast<int>(sizes[NSSmallControlSize].height() * zoomLevel))
 768         return NSSmallControlSize;
 769
 770     return NSMiniControlSize;
 771 }
 772
 773 void RenderThemeMac::setControlSize(NSCell* cell, const IntSize* sizes, const IntSize& minSize, float zoomLevel)
 774 {
 775     NSControlSize size = controlSizeForCell(cell, sizes, minSize, zoomLevel);
 776     if (size != [cell controlSize]) // Only update if we have to, since AppKit does work even if the size is the same.
 777         [cell setControlSize:size];
 778 }
 779
 780 IntSize RenderThemeMac::sizeForFont(RenderStyle& style, const IntSize* sizes) const
 781 {
 782     if (style.effectiveZoom() != 1.0f) {
 783         IntSize result = sizes[controlSizeForFont(style)];
 784         return IntSize(result.width() * style.effectiveZoom(), result.height() * style.effectiveZoom());
 785     }
 786     return sizes[controlSizeForFont(style)];
 787 }
 788
 789 IntSize RenderThemeMac::sizeForSystemFont(RenderStyle& style, const IntSize* sizes) const
 790 {
 791     if (style.effectiveZoom() != 1.0f) {
 792         IntSize result = sizes[controlSizeForSystemFont(style)];
 793         return IntSize(result.width() * style.effectiveZoom(), result.height() * style.effectiveZoom());
 794     }
 795     return sizes[controlSizeForSystemFont(style)];
 796 }
 797
 798 void RenderThemeMac::setSizeFromFont(RenderStyle& style, const IntSize* sizes) const
 799 {
 800     // FIXME: Check is flawed, since it doesn't take min-width/max-width into account.
 801     IntSize size = sizeForFont(style, sizes);
 802     if (style.width().isIntrinsicOrAuto() && size.width() > 0)
 803         style.setWidth(Length(size.width(), Fixed));
 804     if (style.height().isAuto() && size.height() > 0)
 805         style.setHeight(Length(size.height(), Fixed));
 806 }
 807
 808 void RenderThemeMac::setFontFromControlSize(StyleResolver&, RenderStyle& style, NSControlSize controlSize) const
 809 {
 810     FontDescription fontDescription;
 811     fontDescription.setIsAbsoluteSize(true);
 812     fontDescription.setGenericFamily(FontDescription::SerifFamily);
 813
 814     NSFont* font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:controlSize]];
 815     fontDescription.setOneFamily([font webCoreFamilyName]);
 816     fontDescription.setComputedSize([font pointSize] * style.effectiveZoom());
 817     fontDescription.setSpecifiedSize([font pointSize] * style.effectiveZoom());
 818
 819     // Reset line height
 820     style.setLineHeight(RenderStyle::initialLineHeight());
 821
 822     if (style.setFontDescription(fontDescription))
 823         style.font().update(0);
 824 }
 825
 826 NSControlSize RenderThemeMac::controlSizeForSystemFont(RenderStyle& style) const
 827 {
 828     int fontSize = style.fontSize();
 829     if (fontSize >= [NSFont systemFontSizeForControlSize:NSRegularControlSize])
 830         return NSRegularControlSize;
 831     if (fontSize >= [NSFont systemFontSizeForControlSize:NSSmallControlSize])
 832         return NSSmallControlSize;
 833     return NSMiniControlSize;
 834 }
 835
 836 bool RenderThemeMac::paintTextField(const RenderObject& o, const PaintInfo& paintInfo, const FloatRect& r)
 837 {
 838     LocalCurrentGraphicsContext localContext(paintInfo.context);
 839
 840     NSTextFieldCell *textField = this->textField();
 841
 842     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 843
 844     [textField setEnabled:(isEnabled(o) && !isReadOnlyControl(o))];
 845     [textField drawWithFrame:NSRect(r) inView:documentViewFor(o)];
 846
 847     [textField setControlView:nil];
 848
 849     return false;
 850 }
 851
 852 void RenderThemeMac::adjustTextFieldStyle(StyleResolver&, RenderStyle&, Element&) const
 853 {
 854 }
 855
 856 bool RenderThemeMac::paintCapsLockIndicator(const RenderObject&, const PaintInfo& paintInfo, const IntRect& r)
 857 {
 858     if (paintInfo.context->paintingDisabled())
 859         return true;
 860
 861     LocalCurrentGraphicsContext localContext(paintInfo.context);
 862     wkDrawCapsLockIndicator(localContext.cgContext(), r);
 863
 864     return false;
 865 }
 866
 867 bool RenderThemeMac::paintTextArea(const RenderObject& o, const PaintInfo& paintInfo, const FloatRect& r)
 868 {
 869     LocalCurrentGraphicsContext localContext(paintInfo.context);
 870     wkDrawBezeledTextArea(r, isEnabled(o) && !isReadOnlyControl(o));
 871     return false;
 872 }
 873
 874 void RenderThemeMac::adjustTextAreaStyle(StyleResolver&, RenderStyle&, Element&) const
 875 {
 876 }
 877
 878 const int* RenderThemeMac::popupButtonMargins() const
 879 {
 880     static const int margins[3][4] =
 881     {
 882         { 0, 3, 1, 3 },
 883         { 0, 3, 2, 3 },
 884         { 0, 1, 0, 1 }
 885     };
 886     return margins[[popupButton() controlSize]];
 887 }
 888
 889 const IntSize* RenderThemeMac::popupButtonSizes() const
 890 {
 891     static const IntSize sizes[3] = { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) };
 892     return sizes;
 893 }
 894
 895 const int* RenderThemeMac::popupButtonPadding(NSControlSize size) const
 896 {
 897     static const int padding[3][4] =
 898     {
 899         { 2, 26, 3, 8 },
 900         { 2, 23, 3, 8 },
 901         { 2, 22, 3, 10 }
 902     };
 903     return padding[size];
 904 }
 905
 906 bool RenderThemeMac::paintMenuList(const RenderObject& renderer, const PaintInfo& paintInfo, const FloatRect& rect)
 907 {
 908     LocalCurrentGraphicsContext localContext(paintInfo.context);
 909     setPopupButtonCellState(renderer, IntSize(rect.size()));
 910
 911     NSPopUpButtonCell* popupButton = this->popupButton();
 912
 913     float zoomLevel = renderer.style().effectiveZoom();
 914     IntSize size = popupButtonSizes()[[popupButton controlSize]];
 915     size.setHeight(size.height() * zoomLevel);
 916     size.setWidth(rect.width());
 917
 918     // Now inflate it to account for the shadow.
 919     FloatRect inflatedRect = rect;
 920     if (rect.width() >= minimumMenuListSize(renderer.style()))
 921         inflatedRect = inflateRect(rect, size, popupButtonMargins(), zoomLevel);
 922
 923     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 924
 925     // On Leopard, the cell will draw outside of the given rect, so we have to clip to the rect
 926     paintInfo.context->clip(inflatedRect);
 927
 928     if (zoomLevel != 1.0f) {
 929         inflatedRect.setWidth(inflatedRect.width() / zoomLevel);
 930         inflatedRect.setHeight(inflatedRect.height() / zoomLevel);
 931         paintInfo.context->translate(inflatedRect.x(), inflatedRect.y());
 932         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
 933         paintInfo.context->translate(-inflatedRect.x(), -inflatedRect.y());
 934     }
 935
 936     NSView *view = documentViewFor(renderer);
 937     [popupButton drawWithFrame:inflatedRect inView:view];
 938     if (isFocused(renderer) && renderer.style().outlineStyleIsAuto()) {
 939         if (wkDrawCellFocusRingWithFrameAtTime(popupButton, inflatedRect, view, std::numeric_limits<double>::max()))
 940             renderer.document().page()->focusController().setFocusedElementNeedsRepaint();
 941     }
 942
 943     [popupButton setControlView:nil];
 944
 945     return false;
 946 }
 947
 948 #if ENABLE(METER_ELEMENT)
 949
 950 IntSize RenderThemeMac::meterSizeForBounds(const RenderMeter& renderMeter, const IntRect& bounds) const
 951 {
 952     if (NoControlPart == renderMeter.style().appearance())
 953         return bounds.size();
 954
 955     NSLevelIndicatorCell* cell = levelIndicatorFor(renderMeter);
 956     // Makes enough room for cell's intrinsic size.
 957     NSSize cellSize = [cell cellSizeForBounds:IntRect(IntPoint(), bounds.size())];
 958     return IntSize(bounds.width() < cellSize.width ? cellSize.width : bounds.width(),
 959                    bounds.height() < cellSize.height ? cellSize.height : bounds.height());
 960 }
 961
 962 bool RenderThemeMac::paintMeter(const RenderObject& renderObject, const PaintInfo& paintInfo, const IntRect& rect)
 963 {
 964     if (!renderObject.isMeter())
 965         return true;
 966
 967     LocalCurrentGraphicsContext localContext(paintInfo.context);
 968
 969     NSLevelIndicatorCell* cell = levelIndicatorFor(toRenderMeter(renderObject));
 970     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 971
 972     [cell drawWithFrame:rect inView:documentViewFor(renderObject)];
 973     [cell setControlView:nil];
 974     return false;
 975 }
 976
 977 bool RenderThemeMac::supportsMeter(ControlPart part) const
 978 {
 979     switch (part) {
 980     case RelevancyLevelIndicatorPart:
 981     case DiscreteCapacityLevelIndicatorPart:
 982     case RatingLevelIndicatorPart:
 983     case MeterPart:
 984     case ContinuousCapacityLevelIndicatorPart:
 985         return true;
 986     default:
 987         return false;
 988     }
 989 }
 990
 991 NSLevelIndicatorStyle RenderThemeMac::levelIndicatorStyleFor(ControlPart part) const
 992 {
 993     switch (part) {
 994     case RelevancyLevelIndicatorPart:
 995         return NSRelevancyLevelIndicatorStyle;
 996     case DiscreteCapacityLevelIndicatorPart:
 997         return NSDiscreteCapacityLevelIndicatorStyle;
 998     case RatingLevelIndicatorPart:
 999         return NSRatingLevelIndicatorStyle;
1000     case MeterPart:
1001     case ContinuousCapacityLevelIndicatorPart:
1002     default:
1003         return NSContinuousCapacityLevelIndicatorStyle;
1004     }
1005
1006 }
1007
1008 NSLevelIndicatorCell* RenderThemeMac::levelIndicatorFor(const RenderMeter& renderMeter) const
1009 {
1010     const RenderStyle& style = renderMeter.style();
1011     ASSERT(style.appearance() != NoControlPart);
1012
1013     if (!m_levelIndicator)
1014         m_levelIndicator = adoptNS([[NSLevelIndicatorCell alloc] initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle]);
1015     NSLevelIndicatorCell* cell = m_levelIndicator.get();
1016
1017     HTMLMeterElement* element = renderMeter.meterElement();
1018     double value = element->value();
1019
1020     // Because NSLevelIndicatorCell does not support optimum-in-the-middle type coloring,
1021     // we explicitly control the color instead giving low and high value to NSLevelIndicatorCell as is.
1022     switch (element->gaugeRegion()) {
1023     case HTMLMeterElement::GaugeRegionOptimum:
1024         // Make meter the green
1025         [cell setWarningValue:value + 1];
1026         [cell setCriticalValue:value + 2];
1027         break;
1028     case HTMLMeterElement::GaugeRegionSuboptimal:
1029         // Make the meter yellow
1030         [cell setWarningValue:value - 1];
1031         [cell setCriticalValue:value + 1];
1032         break;
1033     case HTMLMeterElement::GaugeRegionEvenLessGood:
1034         // Make the meter red
1035         [cell setWarningValue:value - 2];
1036         [cell setCriticalValue:value - 1];
1037         break;
1038     }
1039
1040     [cell setLevelIndicatorStyle:levelIndicatorStyleFor(style.appearance())];
1041     [cell setBaseWritingDirection:style.isLeftToRightDirection() ? NSWritingDirectionLeftToRight : NSWritingDirectionRightToLeft];
1042     [cell setMinValue:element->min()];
1043     [cell setMaxValue:element->max()];
1044     RetainPtr<NSNumber> valueObject = [NSNumber numberWithDouble:value];
1045     [cell setObjectValue:valueObject.get()];
1046
1047     return cell;
1048 }
1049
1050 #endif
1051
1052 const IntSize* RenderThemeMac::progressBarSizes() const
1053 {
1054     static const IntSize sizes[3] = { IntSize(0, 20), IntSize(0, 12), IntSize(0, 12) };
1055     return sizes;
1056 }
1057
1058 const int* RenderThemeMac::progressBarMargins(NSControlSize controlSize) const
1059 {
1060     static const int margins[3][4] =
1061     {
1062         { 0, 0, 1, 0 },
1063         { 0, 0, 1, 0 },
1064         { 0, 0, 1, 0 },
1065     };
1066     return margins[controlSize];
1067 }
1068
1069 IntRect RenderThemeMac::progressBarRectForBounds(const RenderObject& renderObject, const IntRect& bounds) const
1070 {
1071     // Workaround until <rdar://problem/15855086> is fixed.
1072     int maxDimension = static_cast<int>(std::numeric_limits<ushort>::max());
1073     IntRect progressBarBounds(bounds.x(), bounds.y(), std::min(bounds.width(), maxDimension), std::min(bounds.height(), maxDimension));
1074     if (NoControlPart == renderObject.style().appearance())
1075         return progressBarBounds;
1076
1077     float zoomLevel = renderObject.style().effectiveZoom();
1078     NSControlSize controlSize = controlSizeForFont(renderObject.style());
1079     IntSize size = progressBarSizes()[controlSize];
1080     size.setHeight(size.height() * zoomLevel);
1081     size.setWidth(progressBarBounds.width());
1082
1083     // Now inflate it to account for the shadow.
1084     IntRect inflatedRect = progressBarBounds;
1085     if (progressBarBounds.height() <= minimumProgressBarHeight(renderObject.style()))
1086         inflatedRect = IntRect(inflateRect(inflatedRect, size, progressBarMargins(controlSize), zoomLevel));
1087
1088     return inflatedRect;
1089 }
1090
1091 int RenderThemeMac::minimumProgressBarHeight(RenderStyle& style) const
1092 {
1093     return sizeForSystemFont(style, progressBarSizes()).height();
1094 }
1095
1096 double RenderThemeMac::animationRepeatIntervalForProgressBar(RenderProgress&) const
1097 {
1098     return progressAnimationFrameRate;
1099 }
1100
1101 double RenderThemeMac::animationDurationForProgressBar(RenderProgress&) const
1102 {
1103     return progressAnimationNumFrames * progressAnimationFrameRate;
1104 }
1105
1106 void RenderThemeMac::adjustProgressBarStyle(StyleResolver&, RenderStyle&, Element&) const
1107 {
1108 }
1109
1110 bool RenderThemeMac::paintProgressBar(const RenderObject& renderObject, const PaintInfo& paintInfo, const IntRect& rect)
1111 {
1112     if (!renderObject.isProgress())
1113         return true;
1114
1115     IntRect inflatedRect = progressBarRectForBounds(renderObject, rect);
1116     NSControlSize controlSize = controlSizeForFont(renderObject.style());
1117
1118     const RenderProgress& renderProgress = *toRenderProgress(&renderObject);
1119     HIThemeTrackDrawInfo trackInfo;
1120     trackInfo.version = 0;
1121     if (controlSize == NSRegularControlSize)
1122         trackInfo.kind = renderProgress.position() < 0 ? kThemeLargeIndeterminateBar : kThemeLargeProgressBar;
1123     else
1124         trackInfo.kind = renderProgress.position() < 0 ? kThemeMediumIndeterminateBar : kThemeMediumProgressBar;
1125
1126     float deviceScaleFactor = renderObject.document().deviceScaleFactor();
1127     trackInfo.bounds = IntRect(IntPoint(), inflatedRect.size());
1128     trackInfo.min = 0;
1129     trackInfo.max = std::numeric_limits<SInt32>::max();
1130     trackInfo.value = lround(renderProgress.position() * nextafter(trackInfo.max, 0));
1131     trackInfo.trackInfo.progress.phase = lround(renderProgress.animationProgress() * nextafter(progressAnimationNumFrames, 0) * deviceScaleFactor);
1132     trackInfo.attributes = kThemeTrackHorizontal;
1133     trackInfo.enableState = isActive(renderObject) ? kThemeTrackActive : kThemeTrackInactive;
1134     trackInfo.reserved = 0;
1135     trackInfo.filler1 = 0;
1136
1137     std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::createCompatibleBuffer(inflatedRect.size(), deviceScaleFactor, ColorSpaceDeviceRGB, paintInfo.context, true);
1138     if (!imageBuffer)
1139         return true;
1140
1141     ContextContainer cgContextContainer(imageBuffer->context());
1142     CGContextRef cgContext = cgContextContainer.context();
1143     HIThemeDrawTrack(&trackInfo, 0, cgContext, kHIThemeOrientationNormal);
1144
1145     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1146
1147     if (!renderProgress.style().isLeftToRightDirection()) {
1148         paintInfo.context->translate(2 * inflatedRect.x() + inflatedRect.width(), 0);
1149         paintInfo.context->scale(FloatSize(-1, 1));
1150     }
1151
1152     paintInfo.context->drawImageBuffer(imageBuffer.get(), ColorSpaceDeviceRGB, inflatedRect.location());
1153     return false;
1154 }
1155
1156 const float baseFontSize = 11.0f;
1157 const float baseArrowHeight = 4.0f;
1158 const float baseArrowWidth = 5.0f;
1159 const float baseSpaceBetweenArrows = 2.0f;
1160 const int arrowPaddingLeft = 6;
1161 const int arrowPaddingRight = 6;
1162 const int paddingBeforeSeparator = 4;
1163 const int baseBorderRadius = 5;
1164 const int styledPopupPaddingLeft = 8;
1165 const int styledPopupPaddingTop = 1;
1166 const int styledPopupPaddingBottom = 2;
1167
1168 static void TopGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1169 {
1170     static float dark[4] = { 1.0f, 1.0f, 1.0f, 0.4f };
1171     static float light[4] = { 1.0f, 1.0f, 1.0f, 0.15f };
1172     float a = inData[0];
1173     int i = 0;
1174     for (i = 0; i < 4; i++)
1175         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1176 }
1177
1178 static void BottomGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1179 {
1180     static float dark[4] = { 1.0f, 1.0f, 1.0f, 0.0f };
1181     static float light[4] = { 1.0f, 1.0f, 1.0f, 0.3f };
1182     float a = inData[0];
1183     int i = 0;
1184     for (i = 0; i < 4; i++)
1185         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1186 }
1187
1188 static void MainGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1189 {
1190     static float dark[4] = { 0.0f, 0.0f, 0.0f, 0.15f };
1191     static float light[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
1192     float a = inData[0];
1193     int i = 0;
1194     for (i = 0; i < 4; i++)
1195         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1196 }
1197
1198 static void TrackGradientInterpolate(void*, const CGFloat* inData, CGFloat* outData)
1199 {
1200     static float dark[4] = { 0.0f, 0.0f, 0.0f, 0.678f };
1201     static float light[4] = { 0.0f, 0.0f, 0.0f, 0.13f };
1202     float a = inData[0];
1203     int i = 0;
1204     for (i = 0; i < 4; i++)
1205         outData[i] = (1.0f - a) * dark[i] + a * light[i];
1206 }
1207
1208 void RenderThemeMac::paintMenuListButtonGradients(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1209 {
1210     if (r.isEmpty())
1211         return;
1212
1213     ContextContainer cgContextContainer(paintInfo.context);
1214     CGContextRef context = cgContextContainer.context();
1215
1216     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1217
1218     FloatRoundedRect border = FloatRoundedRect(o.style().getRoundedBorderFor(r));
1219     int radius = border.radii().topLeft().width();
1220
1221     CGColorSpaceRef cspace = deviceRGBColorSpaceRef();
1222
1223     FloatRect topGradient(r.x(), r.y(), r.width(), r.height() / 2.0f);
1224     struct CGFunctionCallbacks topCallbacks = { 0, TopGradientInterpolate, NULL };
1225     RetainPtr<CGFunctionRef> topFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &topCallbacks));
1226     RetainPtr<CGShadingRef> topShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(topGradient.x(), topGradient.y()), CGPointMake(topGradient.x(), topGradient.maxY()), topFunction.get(), false, false));
1227
1228     FloatRect bottomGradient(r.x() + radius, r.y() + r.height() / 2.0f, r.width() - 2.0f * radius, r.height() / 2.0f);
1229     struct CGFunctionCallbacks bottomCallbacks = { 0, BottomGradientInterpolate, NULL };
1230     RetainPtr<CGFunctionRef> bottomFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &bottomCallbacks));
1231     RetainPtr<CGShadingRef> bottomShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(bottomGradient.x(),  bottomGradient.y()), CGPointMake(bottomGradient.x(), bottomGradient.maxY()), bottomFunction.get(), false, false));
1232
1233     struct CGFunctionCallbacks mainCallbacks = { 0, MainGradientInterpolate, NULL };
1234     RetainPtr<CGFunctionRef> mainFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &mainCallbacks));
1235     RetainPtr<CGShadingRef> mainShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(r.x(),  r.y()), CGPointMake(r.x(), r.maxY()), mainFunction.get(), false, false));
1236
1237     RetainPtr<CGShadingRef> leftShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(r.x(),  r.y()), CGPointMake(r.x() + radius, r.y()), mainFunction.get(), false, false));
1238
1239     RetainPtr<CGShadingRef> rightShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(r.maxX(),  r.y()), CGPointMake(r.maxX() - radius, r.y()), mainFunction.get(), false, false));
1240
1241     {
1242         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1243         CGContextClipToRect(context, r);
1244         paintInfo.context->clipRoundedRect(border);
1245         context = cgContextContainer.context();
1246         CGContextDrawShading(context, mainShading.get());
1247     }
1248
1249     {
1250         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1251         CGContextClipToRect(context, topGradient);
1252         paintInfo.context->clipRoundedRect(FloatRoundedRect(enclosingIntRect(topGradient), border.radii().topLeft(), border.radii().topRight(), IntSize(), IntSize()));
1253         context = cgContextContainer.context();
1254         CGContextDrawShading(context, topShading.get());
1255     }
1256
1257     if (!bottomGradient.isEmpty()) {
1258         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1259         CGContextClipToRect(context, bottomGradient);
1260         paintInfo.context->clipRoundedRect(FloatRoundedRect(enclosingIntRect(bottomGradient), IntSize(), IntSize(), border.radii().bottomLeft(), border.radii().bottomRight()));
1261         context = cgContextContainer.context();
1262         CGContextDrawShading(context, bottomShading.get());
1263     }
1264
1265     {
1266         GraphicsContextStateSaver stateSaver(*paintInfo.context);
1267         CGContextClipToRect(context, r);
1268         paintInfo.context->clipRoundedRect(border);
1269         context = cgContextContainer.context();
1270         CGContextDrawShading(context, leftShading.get());
1271         CGContextDrawShading(context, rightShading.get());
1272     }
1273 }
1274
1275 bool RenderThemeMac::paintMenuListButtonDecorations(const RenderObject& renderer, const PaintInfo& paintInfo, const FloatRect& rect)
1276 {
1277     IntRect bounds = IntRect(rect.x() + renderer.style().borderLeftWidth(),
1278         rect.y() + renderer.style().borderTopWidth(),
1279         rect.width() - renderer.style().borderLeftWidth() - renderer.style().borderRightWidth(),
1280         rect.height() - renderer.style().borderTopWidth() - renderer.style().borderBottomWidth());
1281     // Draw the gradients to give the styled popup menu a button appearance
1282     paintMenuListButtonGradients(renderer, paintInfo, bounds);
1283
1284     // 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
1285     float fontScale = std::min(renderer.style().fontSize() / baseFontSize, bounds.height() / (baseArrowHeight * 2 + baseSpaceBetweenArrows));
1286     float centerY = bounds.y() + bounds.height() / 2.0f;
1287     float arrowHeight = baseArrowHeight * fontScale;
1288     float arrowWidth = baseArrowWidth * fontScale;
1289     float leftEdge = bounds.maxX() - arrowPaddingRight * renderer.style().effectiveZoom() - arrowWidth;
1290     float spaceBetweenArrows = baseSpaceBetweenArrows * fontScale;
1291
1292     if (bounds.width() < arrowWidth + arrowPaddingLeft * renderer.style().effectiveZoom())
1293         return false;
1294
1295     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1296
1297     paintInfo.context->setFillColor(renderer.style().visitedDependentColor(CSSPropertyColor), renderer.style().colorSpace());
1298     paintInfo.context->setStrokeStyle(NoStroke);
1299
1300     FloatPoint arrow1[3];
1301     arrow1[0] = FloatPoint(leftEdge, centerY - spaceBetweenArrows / 2.0f);
1302     arrow1[1] = FloatPoint(leftEdge + arrowWidth, centerY - spaceBetweenArrows / 2.0f);
1303     arrow1[2] = FloatPoint(leftEdge + arrowWidth / 2.0f, centerY - spaceBetweenArrows / 2.0f - arrowHeight);
1304
1305     // Draw the top arrow
1306     paintInfo.context->drawConvexPolygon(3, arrow1, true);
1307
1308     FloatPoint arrow2[3];
1309     arrow2[0] = FloatPoint(leftEdge, centerY + spaceBetweenArrows / 2.0f);
1310     arrow2[1] = FloatPoint(leftEdge + arrowWidth, centerY + spaceBetweenArrows / 2.0f);
1311     arrow2[2] = FloatPoint(leftEdge + arrowWidth / 2.0f, centerY + spaceBetweenArrows / 2.0f + arrowHeight);
1312
1313     // Draw the bottom arrow
1314     paintInfo.context->drawConvexPolygon(3, arrow2, true);
1315
1316     Color leftSeparatorColor(0, 0, 0, 40);
1317     Color rightSeparatorColor(255, 255, 255, 40);
1318
1319     // FIXME: Should the separator thickness and space be scaled up by fontScale?
1320     int separatorSpace = 2; // Deliberately ignores zoom since it looks nicer if it stays thin.
1321     int leftEdgeOfSeparator = static_cast<int>(leftEdge - arrowPaddingLeft * renderer.style().effectiveZoom()); // FIXME: Round?
1322
1323     // Draw the separator to the left of the arrows
1324     paintInfo.context->setStrokeThickness(1); // Deliberately ignores zoom since it looks nicer if it stays thin.
1325     paintInfo.context->setStrokeStyle(SolidStroke);
1326     paintInfo.context->setStrokeColor(leftSeparatorColor, ColorSpaceDeviceRGB);
1327     paintInfo.context->drawLine(IntPoint(leftEdgeOfSeparator, bounds.y()),
1328                                 IntPoint(leftEdgeOfSeparator, bounds.maxY()));
1329
1330     paintInfo.context->setStrokeColor(rightSeparatorColor, ColorSpaceDeviceRGB);
1331     paintInfo.context->drawLine(IntPoint(leftEdgeOfSeparator + separatorSpace, bounds.y()),
1332                                 IntPoint(leftEdgeOfSeparator + separatorSpace, bounds.maxY()));
1333     return false;
1334 }
1335
1336 static const IntSize* menuListButtonSizes()
1337 {
1338     static const IntSize sizes[3] = { IntSize(0, 21), IntSize(0, 18), IntSize(0, 15) };
1339     return sizes;
1340 }
1341
1342 void RenderThemeMac::adjustMenuListStyle(StyleResolver& styleResolver, RenderStyle& style, Element& e) const
1343 {
1344     NSControlSize controlSize = controlSizeForFont(style);
1345
1346     style.resetBorder();
1347     style.resetPadding();
1348
1349     // Height is locked to auto.
1350     style.setHeight(Length(Auto));
1351
1352     // White-space is locked to pre
1353     style.setWhiteSpace(PRE);
1354
1355     // Set the foreground color to black or gray when we have the aqua look.
1356     // Cast to RGB32 is to work around a compiler bug.
1357     style.setColor(!e.isDisabledFormControl() ? static_cast<RGBA32>(Color::black) : Color::darkGray);
1358
1359     // Set the button's vertical size.
1360     setSizeFromFont(style, menuListButtonSizes());
1361
1362     // 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
1363     // a reasonable control size, but once that control size is determined, we throw that font away and use the appropriate
1364     // system font for the control size instead.
1365     setFontFromControlSize(styleResolver, style, controlSize);
1366
1367     style.setBoxShadow(nullptr);
1368 }
1369
1370 int RenderThemeMac::popupInternalPaddingLeft(RenderStyle& style) const
1371 {
1372     if (style.appearance() == MenulistPart)
1373         return popupButtonPadding(controlSizeForFont(style))[leftPadding] * style.effectiveZoom();
1374     if (style.appearance() == MenulistButtonPart)
1375         return styledPopupPaddingLeft * style.effectiveZoom();
1376     return 0;
1377 }
1378
1379 int RenderThemeMac::popupInternalPaddingRight(RenderStyle& style) const
1380 {
1381     if (style.appearance() == MenulistPart)
1382         return popupButtonPadding(controlSizeForFont(style))[rightPadding] * style.effectiveZoom();
1383     if (style.appearance() == MenulistButtonPart) {
1384         float fontScale = style.fontSize() / baseFontSize;
1385         float arrowWidth = baseArrowWidth * fontScale;
1386         return static_cast<int>(ceilf(arrowWidth + (arrowPaddingLeft + arrowPaddingRight + paddingBeforeSeparator) * style.effectiveZoom()));
1387     }
1388     return 0;
1389 }
1390
1391 int RenderThemeMac::popupInternalPaddingTop(RenderStyle& style) const
1392 {
1393     if (style.appearance() == MenulistPart)
1394         return popupButtonPadding(controlSizeForFont(style))[topPadding] * style.effectiveZoom();
1395     if (style.appearance() == MenulistButtonPart)
1396         return styledPopupPaddingTop * style.effectiveZoom();
1397     return 0;
1398 }
1399
1400 int RenderThemeMac::popupInternalPaddingBottom(RenderStyle& style) const
1401 {
1402     if (style.appearance() == MenulistPart)
1403         return popupButtonPadding(controlSizeForFont(style))[bottomPadding] * style.effectiveZoom();
1404     if (style.appearance() == MenulistButtonPart)
1405         return styledPopupPaddingBottom * style.effectiveZoom();
1406     return 0;
1407 }
1408
1409 PopupMenuStyle::PopupMenuSize RenderThemeMac::popupMenuSize(const RenderStyle& style, IntRect& rect) const
1410 {
1411     NSPopUpButtonCell* popupButton = this->popupButton();
1412     NSControlSize size = controlSizeForCell(popupButton, popupButtonSizes(), rect.size(), style.effectiveZoom());
1413     switch (size) {
1414     case NSRegularControlSize:
1415         return PopupMenuStyle::PopupMenuSizeNormal;
1416     case NSSmallControlSize:
1417         return PopupMenuStyle::PopupMenuSizeSmall;
1418     case NSMiniControlSize:
1419         return PopupMenuStyle::PopupMenuSizeMini;
1420     default:
1421         return PopupMenuStyle::PopupMenuSizeNormal;
1422     }
1423 }
1424
1425 void RenderThemeMac::adjustMenuListButtonStyle(StyleResolver&, RenderStyle& style, Element&) const
1426 {
1427     float fontScale = style.fontSize() / baseFontSize;
1428
1429     style.resetPadding();
1430     style.setBorderRadius(IntSize(int(baseBorderRadius + fontScale - 1), int(baseBorderRadius + fontScale - 1))); // FIXME: Round up?
1431
1432     const int minHeight = 15;
1433     style.setMinHeight(Length(minHeight, Fixed));
1434
1435     style.setLineHeight(RenderStyle::initialLineHeight());
1436 }
1437
1438 void RenderThemeMac::setPopupButtonCellState(const RenderObject& o, const IntSize& buttonSize)
1439 {
1440     NSPopUpButtonCell* popupButton = this->popupButton();
1441
1442     // Set the control size based off the rectangle we're painting into.
1443     setControlSize(popupButton, popupButtonSizes(), buttonSize, o.style().effectiveZoom());
1444
1445     // Update the various states we respond to.
1446     updateCheckedState(popupButton, o);
1447     updateEnabledState(popupButton, o);
1448     updatePressedState(popupButton, o);
1449 }
1450
1451 const IntSize* RenderThemeMac::menuListSizes() const
1452 {
1453     static const IntSize sizes[3] = { IntSize(9, 0), IntSize(5, 0), IntSize(0, 0) };
1454     return sizes;
1455 }
1456
1457 int RenderThemeMac::minimumMenuListSize(RenderStyle& style) const
1458 {
1459     return sizeForSystemFont(style, menuListSizes()).width();
1460 }
1461
1462 const int trackWidth = 5;
1463 const int trackRadius = 2;
1464
1465 void RenderThemeMac::adjustSliderTrackStyle(StyleResolver&, RenderStyle& style, Element&) const
1466 {
1467     style.setBoxShadow(nullptr);
1468 }
1469
1470 bool RenderThemeMac::paintSliderTrack(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1471 {
1472     IntRect bounds = r;
1473     float zoomLevel = o.style().effectiveZoom();
1474     float zoomedTrackWidth = trackWidth * zoomLevel;
1475
1476     if (o.style().appearance() ==  SliderHorizontalPart || o.style().appearance() ==  MediaSliderPart) {
1477         bounds.setHeight(zoomedTrackWidth);
1478         bounds.setY(r.y() + r.height() / 2 - zoomedTrackWidth / 2);
1479     } else if (o.style().appearance() == SliderVerticalPart) {
1480         bounds.setWidth(zoomedTrackWidth);
1481         bounds.setX(r.x() + r.width() / 2 - zoomedTrackWidth / 2);
1482     }
1483
1484     LocalCurrentGraphicsContext localContext(paintInfo.context);
1485     CGContextRef context = localContext.cgContext();
1486     CGColorSpaceRef cspace = deviceRGBColorSpaceRef();
1487
1488 #if ENABLE(DATALIST_ELEMENT)
1489     paintSliderTicks(o, paintInfo, r);
1490 #endif
1491
1492     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1493     CGContextClipToRect(context, bounds);
1494
1495     struct CGFunctionCallbacks mainCallbacks = { 0, TrackGradientInterpolate, NULL };
1496     RetainPtr<CGFunctionRef> mainFunction = adoptCF(CGFunctionCreate(NULL, 1, NULL, 4, NULL, &mainCallbacks));
1497     RetainPtr<CGShadingRef> mainShading;
1498     if (o.style().appearance() == SliderVerticalPart)
1499         mainShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(bounds.x(),  bounds.maxY()), CGPointMake(bounds.maxX(), bounds.maxY()), mainFunction.get(), false, false));
1500     else
1501         mainShading = adoptCF(CGShadingCreateAxial(cspace, CGPointMake(bounds.x(),  bounds.y()), CGPointMake(bounds.x(), bounds.maxY()), mainFunction.get(), false, false));
1502
1503     IntSize radius(trackRadius, trackRadius);
1504     paintInfo.context->clipRoundedRect(FloatRoundedRect(bounds, radius, radius, radius, radius));
1505     context = localContext.cgContext();
1506     CGContextDrawShading(context, mainShading.get());
1507
1508     return false;
1509 }
1510
1511 void RenderThemeMac::adjustSliderThumbStyle(StyleResolver& styleResolver, RenderStyle& style, Element& element) const
1512 {
1513     RenderTheme::adjustSliderThumbStyle(styleResolver, style, element);
1514     style.setBoxShadow(nullptr);
1515 }
1516
1517 const float verticalSliderHeightPadding = 0.1f;
1518
1519 bool RenderThemeMac::paintSliderThumb(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1520 {
1521     NSSliderCell* sliderThumbCell = o.style().appearance() == SliderThumbVerticalPart
1522         ? sliderThumbVertical()
1523         : sliderThumbHorizontal();
1524
1525     LocalCurrentGraphicsContext localContext(paintInfo.context);
1526
1527     // Update the various states we respond to.
1528     updateEnabledState(sliderThumbCell, o);
1529         Element* focusDelegate = (o.node() && o.node()->isElementNode()) ? toElement(o.node())->focusDelegate() : 0;
1530     if (focusDelegate)
1531         updateFocusedState(sliderThumbCell, *focusDelegate->renderer());
1532
1533     // Update the pressed state using the NSCell tracking methods, since that's how NSSliderCell keeps track of it.
1534     bool oldPressed;
1535     if (o.style().appearance() == SliderThumbVerticalPart)
1536         oldPressed = m_isSliderThumbVerticalPressed;
1537     else
1538         oldPressed = m_isSliderThumbHorizontalPressed;
1539
1540     bool pressed = isPressed(o);
1541
1542     if (o.style().appearance() == SliderThumbVerticalPart)
1543         m_isSliderThumbVerticalPressed = pressed;
1544     else
1545         m_isSliderThumbHorizontalPressed = pressed;
1546
1547     if (pressed != oldPressed) {
1548         if (pressed)
1549             [sliderThumbCell startTrackingAt:NSPoint() inView:nil];
1550         else
1551             [sliderThumbCell stopTracking:NSPoint() at:NSPoint() inView:nil mouseIsUp:YES];
1552     }
1553
1554     FloatRect bounds = r;
1555     // Make the height of the vertical slider slightly larger so NSSliderCell will draw a vertical slider.
1556     if (o.style().appearance() == SliderThumbVerticalPart)
1557         bounds.setHeight(bounds.height() + verticalSliderHeightPadding * o.style().effectiveZoom());
1558
1559     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1560     float zoomLevel = o.style().effectiveZoom();
1561
1562     FloatRect unzoomedRect = bounds;
1563     if (zoomLevel != 1.0f) {
1564         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1565         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1566         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1567         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1568         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1569     }
1570
1571     [sliderThumbCell drawInteriorWithFrame:unzoomedRect inView:documentViewFor(o)];
1572     [sliderThumbCell setControlView:nil];
1573
1574     return false;
1575 }
1576
1577 bool RenderThemeMac::paintSearchField(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1578 {
1579     LocalCurrentGraphicsContext localContext(paintInfo.context);
1580     NSSearchFieldCell* search = this->search();
1581
1582     setSearchCellState(o, r);
1583
1584     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1585
1586     float zoomLevel = o.style().effectiveZoom();
1587
1588     IntRect unzoomedRect = r;
1589
1590     if (zoomLevel != 1.0f) {
1591         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1592         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1593         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1594         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1595         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1596     }
1597
1598     // Set the search button to nil before drawing.  Then reset it so we can draw it later.
1599     [search setSearchButtonCell:nil];
1600
1601     [search drawWithFrame:NSRect(unzoomedRect) inView:documentViewFor(o)];
1602
1603     [search setControlView:nil];
1604     [search resetSearchButtonCell];
1605
1606     return false;
1607 }
1608
1609 void RenderThemeMac::setSearchCellState(const RenderObject& o, const IntRect&)
1610 {
1611     NSSearchFieldCell* search = this->search();
1612
1613     [search setControlSize:controlSizeForFont(o.style())];
1614
1615     // Update the various states we respond to.
1616     updateEnabledState(search, o);
1617     updateFocusedState(search, o);
1618 }
1619
1620 const IntSize* RenderThemeMac::searchFieldSizes() const
1621 {
1622     static const IntSize sizes[3] = { IntSize(0, 22), IntSize(0, 19), IntSize(0, 17) };
1623     return sizes;
1624 }
1625
1626 void RenderThemeMac::setSearchFieldSize(RenderStyle& style) const
1627 {
1628     // If the width and height are both specified, then we have nothing to do.
1629     if (!style.width().isIntrinsicOrAuto() && !style.height().isAuto())
1630         return;
1631
1632     // Use the font size to determine the intrinsic width of the control.
1633     setSizeFromFont(style, searchFieldSizes());
1634 }
1635
1636 void RenderThemeMac::adjustSearchFieldStyle(StyleResolver& styleResolver, RenderStyle& style, Element&) const
1637 {
1638     // Override border.
1639     style.resetBorder();
1640     const short borderWidth = 2 * style.effectiveZoom();
1641     style.setBorderLeftWidth(borderWidth);
1642     style.setBorderLeftStyle(INSET);
1643     style.setBorderRightWidth(borderWidth);
1644     style.setBorderRightStyle(INSET);
1645     style.setBorderBottomWidth(borderWidth);
1646     style.setBorderBottomStyle(INSET);
1647     style.setBorderTopWidth(borderWidth);
1648     style.setBorderTopStyle(INSET);
1649
1650     // Override height.
1651     style.setHeight(Length(Auto));
1652     setSearchFieldSize(style);
1653
1654     // Override padding size to match AppKit text positioning.
1655     const int padding = 1 * style.effectiveZoom();
1656     style.setPaddingLeft(Length(padding, Fixed));
1657     style.setPaddingRight(Length(padding, Fixed));
1658     style.setPaddingTop(Length(padding, Fixed));
1659     style.setPaddingBottom(Length(padding, Fixed));
1660
1661     NSControlSize controlSize = controlSizeForFont(style);
1662     setFontFromControlSize(styleResolver, style, controlSize);
1663
1664     style.setBoxShadow(nullptr);
1665 }
1666
1667 bool RenderThemeMac::paintSearchFieldCancelButton(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1668 {
1669     Element* input = o.node()->shadowHost();
1670     if (!input)
1671         input = toElement(o.node());
1672
1673     if (!input->renderer()->isBox())
1674         return false;
1675
1676     LocalCurrentGraphicsContext localContext(paintInfo.context);
1677     setSearchCellState(*input->renderer(), r);
1678
1679     NSSearchFieldCell* search = this->search();
1680
1681     if (!input->isDisabledFormControl() && (input->isTextFormControl() && !toHTMLTextFormControlElement(input)->isReadOnly()))
1682         updatePressedState([search cancelButtonCell], o);
1683     else if ([[search cancelButtonCell] isHighlighted])
1684         [[search cancelButtonCell] setHighlighted:NO];
1685
1686     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1687
1688     float zoomLevel = o.style().effectiveZoom();
1689
1690     FloatRect localBounds = [search cancelButtonRectForBounds:NSRect(input->renderBox()->pixelSnappedBorderBoxRect())];
1691     localBounds = convertToPaintingRect(*input->renderer(), o, localBounds, r);
1692
1693     FloatRect unzoomedRect(localBounds);
1694     if (zoomLevel != 1.0f) {
1695         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1696         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1697         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1698         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1699         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1700     }
1701
1702     [[search cancelButtonCell] drawWithFrame:unzoomedRect inView:documentViewFor(o)];
1703     [[search cancelButtonCell] setControlView:nil];
1704     return false;
1705 }
1706
1707 const IntSize* RenderThemeMac::cancelButtonSizes() const
1708 {
1709     static const IntSize sizes[3] = { IntSize(16, 13), IntSize(13, 11), IntSize(13, 9) };
1710     return sizes;
1711 }
1712
1713 void RenderThemeMac::adjustSearchFieldCancelButtonStyle(StyleResolver&, RenderStyle& style, Element&) const
1714 {
1715     IntSize size = sizeForSystemFont(style, cancelButtonSizes());
1716     style.setWidth(Length(size.width(), Fixed));
1717     style.setHeight(Length(size.height(), Fixed));
1718     style.setBoxShadow(nullptr);
1719 }
1720
1721 const IntSize* RenderThemeMac::resultsButtonSizes() const
1722 {
1723     static const IntSize sizes[3] = { IntSize(19, 13), IntSize(17, 11), IntSize(17, 9) };
1724     return sizes;
1725 }
1726
1727 const int emptyResultsOffset = 9;
1728 void RenderThemeMac::adjustSearchFieldDecorationPartStyle(StyleResolver&, RenderStyle& style, Element&) const
1729 {
1730     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
1731     style.setWidth(Length(size.width() - emptyResultsOffset, Fixed));
1732     style.setHeight(Length(size.height(), Fixed));
1733     style.setBoxShadow(nullptr);
1734 }
1735
1736 bool RenderThemeMac::paintSearchFieldDecorationPart(const RenderObject&, const PaintInfo&, const IntRect&)
1737 {
1738     return false;
1739 }
1740
1741 void RenderThemeMac::adjustSearchFieldResultsDecorationPartStyle(StyleResolver&, RenderStyle& style, Element&) const
1742 {
1743     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
1744     style.setWidth(Length(size.width(), Fixed));
1745     style.setHeight(Length(size.height(), Fixed));
1746     style.setBoxShadow(nullptr);
1747 }
1748
1749 bool RenderThemeMac::paintSearchFieldResultsDecorationPart(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1750 {
1751     Node* input = o.node()->shadowHost();
1752     if (!input)
1753         input = o.node();
1754     if (!input->renderer()->isBox())
1755         return false;
1756
1757     LocalCurrentGraphicsContext localContext(paintInfo.context);
1758     setSearchCellState(*input->renderer(), r);
1759
1760     NSSearchFieldCell* search = this->search();
1761
1762     if ([search searchMenuTemplate] != nil)
1763         [search setSearchMenuTemplate:nil];
1764
1765     FloatRect localBounds = [search searchButtonRectForBounds:NSRect(input->renderBox()->pixelSnappedBorderBoxRect())];
1766     localBounds = convertToPaintingRect(*input->renderer(), o, localBounds, r);
1767
1768     [[search searchButtonCell] drawWithFrame:localBounds inView:documentViewFor(o)];
1769     [[search searchButtonCell] setControlView:nil];
1770     return false;
1771 }
1772
1773 const int resultsArrowWidth = 5;
1774 void RenderThemeMac::adjustSearchFieldResultsButtonStyle(StyleResolver&, RenderStyle& style, Element&) const
1775 {
1776     IntSize size = sizeForSystemFont(style, resultsButtonSizes());
1777     style.setWidth(Length(size.width() + resultsArrowWidth, Fixed));
1778     style.setHeight(Length(size.height(), Fixed));
1779     style.setBoxShadow(nullptr);
1780 }
1781
1782 bool RenderThemeMac::paintSearchFieldResultsButton(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& r)
1783 {
1784     Node* input = o.node()->shadowHost();
1785     if (!input)
1786         input = o.node();
1787     if (!input->renderer()->isBox())
1788         return false;
1789
1790     LocalCurrentGraphicsContext localContext(paintInfo.context);
1791     setSearchCellState(*input->renderer(), r);
1792
1793     NSSearchFieldCell* search = this->search();
1794
1795     if (![search searchMenuTemplate])
1796         [search setSearchMenuTemplate:searchMenuTemplate()];
1797
1798     GraphicsContextStateSaver stateSaver(*paintInfo.context);
1799     float zoomLevel = o.style().effectiveZoom();
1800
1801     FloatRect localBounds = [search searchButtonRectForBounds:NSRect(input->renderBox()->pixelSnappedBorderBoxRect())];
1802     localBounds = convertToPaintingRect(*input->renderer(), o, localBounds, r);
1803
1804     IntRect unzoomedRect(localBounds);
1805     if (zoomLevel != 1.0f) {
1806         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
1807         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
1808         paintInfo.context->translate(unzoomedRect.x(), unzoomedRect.y());
1809         paintInfo.context->scale(FloatSize(zoomLevel, zoomLevel));
1810         paintInfo.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
1811     }
1812
1813     [[search searchButtonCell] drawWithFrame:unzoomedRect inView:documentViewFor(o)];
1814     [[search searchButtonCell] setControlView:nil];
1815
1816     return false;
1817 }
1818
1819 bool RenderThemeMac::paintSnapshottedPluginOverlay(const RenderObject& o, const PaintInfo& paintInfo, const IntRect&)
1820 {
1821     if (paintInfo.phase != PaintPhaseBlockBackground)
1822         return true;
1823
1824     if (!o.isRenderBlock())
1825         return true;
1826
1827     const RenderBlock& renderBlock = *toRenderBlock(&o);
1828
1829     LayoutUnit contentWidth = renderBlock.contentWidth();
1830     LayoutUnit contentHeight = renderBlock.contentHeight();
1831     if (!contentWidth || !contentHeight)
1832         return true;
1833
1834     GraphicsContext* context = paintInfo.context;
1835
1836     LayoutSize contentSize(contentWidth, contentHeight);
1837     LayoutPoint contentLocation = renderBlock.location();
1838     contentLocation.move(renderBlock.borderLeft() + renderBlock.paddingLeft(), renderBlock.borderTop() + renderBlock.paddingTop());
1839
1840     LayoutRect rect(contentLocation, contentSize);
1841     IntRect alignedRect = snappedIntRect(rect);
1842     if (alignedRect.width() <= 0 || alignedRect.height() <= 0)
1843         return true;
1844
1845     // We need to get the snapshot image from the plugin element, which should be available
1846     // from our node. Assuming this node is the plugin overlay element, we should get to the
1847     // plugin itself by asking for the shadow root parent, and then its parent.
1848
1849     if (!renderBlock.element()->isHTMLElement())
1850         return true;
1851
1852     HTMLElement* plugInOverlay = toHTMLElement(renderBlock.element());
1853     Element* parent = plugInOverlay->parentOrShadowHostElement();
1854     while (parent && !parent->isPluginElement())
1855         parent = parent->parentOrShadowHostElement();
1856
1857     if (!parent)
1858         return true;
1859
1860     HTMLPlugInElement* plugInElement = toHTMLPlugInElement(parent);
1861     if (!plugInElement->isPlugInImageElement())
1862         return true;
1863
1864     HTMLPlugInImageElement* plugInImageElement = toHTMLPlugInImageElement(plugInElement);
1865
1866     Image* snapshot = plugInImageElement->snapshotImage();
1867     if (!snapshot)
1868         return true;
1869
1870     RenderSnapshottedPlugIn* plugInRenderer = toRenderSnapshottedPlugIn(plugInImageElement->renderer());
1871     FloatPoint snapshotAbsPos = plugInRenderer->localToAbsolute();
1872     snapshotAbsPos.move(plugInRenderer->borderLeft() + plugInRenderer->paddingLeft(), plugInRenderer->borderTop() + plugInRenderer->paddingTop());
1873
1874     // We could draw the snapshot with that coordinates, but we need to make sure there
1875     // isn't a composited layer between us and the plugInRenderer.
1876     const RenderBox* renderBox = toRenderBox(&o);
1877     while (renderBox != plugInRenderer) {
1878         if (renderBox->hasLayer() && renderBox->layer() && renderBox->layer()->isComposited()) {
1879             snapshotAbsPos = -renderBox->location();
1880             break;
1881         }
1882         renderBox = renderBox->parentBox();
1883     }
1884
1885     LayoutSize pluginSize(plugInRenderer->contentWidth(), plugInRenderer->contentHeight());
1886     LayoutRect pluginRect(snapshotAbsPos, pluginSize);
1887     IntRect alignedPluginRect = snappedIntRect(pluginRect);
1888
1889     if (alignedPluginRect.width() <= 0 || alignedPluginRect.height() <= 0)
1890         return true;
1891
1892     context->drawImage(snapshot, plugInRenderer->style().colorSpace(), alignedPluginRect, CompositeSourceOver);
1893     return false;
1894 }
1895
1896 #if ENABLE(DATALIST_ELEMENT)
1897 IntSize RenderThemeMac::sliderTickSize() const
1898 {
1899     return IntSize(1, 3);
1900 }
1901
1902 int RenderThemeMac::sliderTickOffsetFromTrackCenter() const
1903 {
1904     return -9;
1905 }
1906 #endif
1907
1908 const int sliderThumbWidth = 15;
1909 const int sliderThumbHeight = 15;
1910
1911 void RenderThemeMac::adjustSliderThumbSize(RenderStyle& style, Element&) const
1912 {
1913     float zoomLevel = style.effectiveZoom();
1914     if (style.appearance() == SliderThumbHorizontalPart || style.appearance() == SliderThumbVerticalPart) {
1915         style.setWidth(Length(static_cast<int>(sliderThumbWidth * zoomLevel), Fixed));
1916         style.setHeight(Length(static_cast<int>(sliderThumbHeight * zoomLevel), Fixed));
1917     }
1918 }
1919
1920 bool RenderThemeMac::shouldShowPlaceholderWhenFocused() const
1921 {
1922     return true;
1923 }
1924
1925 NSPopUpButtonCell* RenderThemeMac::popupButton() const
1926 {
1927     if (!m_popupButton) {
1928         m_popupButton = adoptNS([[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO]);
1929         [m_popupButton.get() setUsesItemFromMenu:NO];
1930         [m_popupButton.get() setFocusRingType:NSFocusRingTypeExterior];
1931         // We don't want the app's UI layout direction to affect the appearance of popup buttons in
1932         // web content, which has its own layout direction.
1933         // FIXME: Make this depend on the directionality of the select element, once the rest of the
1934         // rendering code can account for the popup arrows appearing on the other side.
1935         [m_popupButton setUserInterfaceLayoutDirection:NSUserInterfaceLayoutDirectionLeftToRight];
1936     }
1937
1938     return m_popupButton.get();
1939 }
1940
1941 NSSearchFieldCell* RenderThemeMac::search() const
1942 {
1943     if (!m_search) {
1944         m_search = adoptNS([[NSSearchFieldCell alloc] initTextCell:@""]);
1945         [m_search.get() setBezelStyle:NSTextFieldRoundedBezel];
1946         [m_search.get() setBezeled:YES];
1947         [m_search.get() setEditable:YES];
1948         [m_search.get() setFocusRingType:NSFocusRingTypeExterior];
1949 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
1950         [m_search.get() setCenteredLook:NO];
1951 #endif
1952     }
1953
1954     return m_search.get();
1955 }
1956
1957 NSMenu* RenderThemeMac::searchMenuTemplate() const
1958 {
1959     if (!m_searchMenuTemplate)
1960         m_searchMenuTemplate = adoptNS([[NSMenu alloc] initWithTitle:@""]);
1961
1962     return m_searchMenuTemplate.get();
1963 }
1964
1965 NSSliderCell* RenderThemeMac::sliderThumbHorizontal() const
1966 {
1967     if (!m_sliderThumbHorizontal) {
1968         m_sliderThumbHorizontal = adoptNS([[NSSliderCell alloc] init]);
1969         [m_sliderThumbHorizontal.get() setSliderType:NSLinearSlider];
1970         [m_sliderThumbHorizontal.get() setControlSize:NSSmallControlSize];
1971         [m_sliderThumbHorizontal.get() setFocusRingType:NSFocusRingTypeExterior];
1972     }
1973
1974     return m_sliderThumbHorizontal.get();
1975 }
1976
1977 NSSliderCell* RenderThemeMac::sliderThumbVertical() const
1978 {
1979     if (!m_sliderThumbVertical) {
1980         m_sliderThumbVertical = adoptNS([[NSSliderCell alloc] init]);
1981         [m_sliderThumbVertical.get() setSliderType:NSLinearSlider];
1982         [m_sliderThumbVertical.get() setControlSize:NSSmallControlSize];
1983         [m_sliderThumbVertical.get() setFocusRingType:NSFocusRingTypeExterior];
1984     }
1985
1986     return m_sliderThumbVertical.get();
1987 }
1988
1989 NSTextFieldCell* RenderThemeMac::textField() const
1990 {
1991     if (!m_textField) {
1992         m_textField = adoptNS([[WebCoreTextFieldCell alloc] initTextCell:@""]);
1993         [m_textField.get() setBezeled:YES];
1994         [m_textField.get() setEditable:YES];
1995         [m_textField.get() setFocusRingType:NSFocusRingTypeExterior];
1996         // Post-Lion, WebCore can be in charge of paintinng the background thanks to
1997         // the workaround in place for <rdar://problem/11385461>, which is implemented
1998         // above as _coreUIDrawOptionsWithFrame.
1999         [m_textField.get() setDrawsBackground:NO];
2000     }
2001
2002     return m_textField.get();
2003 }
2004
2005 String RenderThemeMac::fileListNameForWidth(const FileList* fileList, const Font& font, int width, bool multipleFilesAllowed) const
2006 {
2007     if (width <= 0)
2008         return String();
2009
2010     String strToTruncate;
2011     if (fileList->isEmpty())
2012         strToTruncate = fileListDefaultLabel(multipleFilesAllowed);
2013     else if (fileList->length() == 1)
2014         strToTruncate = [[NSFileManager defaultManager] displayNameAtPath:(fileList->item(0)->path())];
2015     else
2016         return StringTruncator::rightTruncate(multipleFileUploadText(fileList->length()), width, font, StringTruncator::EnableRoundingHacks);
2017
2018     return StringTruncator::centerTruncate(strToTruncate, width, font, StringTruncator::EnableRoundingHacks);
2019 }
2020
2021 bool RenderThemeMac::defaultButtonHasAnimation() const
2022 {
2023 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
2024     return false;
2025 #else
2026     return true;
2027 #endif
2028 }
2029
2030 #if ENABLE(SERVICE_CONTROLS)
2031 NSServicesRolloverButtonCell* RenderThemeMac::servicesRolloverButtonCell() const
2032 {
2033 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2034     if (!m_servicesRolloverButton) {
2035         m_servicesRolloverButton = [NSServicesRolloverButtonCell serviceRolloverButtonCellForStyle:NSSharingServicePickerStyleRollover];
2036         [m_servicesRolloverButton setBezelStyle:NSRoundedDisclosureBezelStyle];
2037         [m_servicesRolloverButton setButtonType:NSPushOnPushOffButton];
2038         [m_servicesRolloverButton setImagePosition:NSImageOnly];
2039         [m_servicesRolloverButton setState:NO];
2040     }
2041
2042     return m_servicesRolloverButton.get();
2043 #else
2044     return nil;
2045 #endif
2046 }
2047
2048 bool RenderThemeMac::paintImageControlsButton(const RenderObject& renderer, const PaintInfo& paintInfo, const IntRect& rect)
2049 {
2050     if (paintInfo.phase != PaintPhaseBlockBackground)
2051         return true;
2052
2053 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2054     NSServicesRolloverButtonCell *cell = servicesRolloverButtonCell();
2055
2056     LocalCurrentGraphicsContext localContext(paintInfo.context);
2057     GraphicsContextStateSaver stateSaver(*paintInfo.context);
2058
2059     paintInfo.context->translate(rect.x(), rect.y());
2060
2061     IntRect innerFrame(IntPoint(), rect.size());
2062     [cell drawWithFrame:innerFrame inView:documentViewFor(renderer)];
2063     [cell setControlView:nil];
2064 #else
2065     UNUSED_PARAM(renderer);
2066     UNUSED_PARAM(rect);
2067 #endif
2068
2069     return true;
2070 }
2071
2072 IntSize RenderThemeMac::imageControlsButtonSize(const RenderObject&) const
2073 {
2074 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2075     return IntSize(servicesRolloverButtonCell().cellSize);
2076 #else
2077     return IntSize();
2078 #endif
2079 }
2080
2081 IntSize RenderThemeMac::imageControlsButtonPositionOffset() const
2082 {
2083 #if HAVE(APPKIT_SERVICE_CONTROLS_SUPPORT)
2084     // FIXME: Currently the offsets will always be the same no matter what image rect you try with.
2085     // This may not always be true in the future.
2086     static const int dummyDimension = 100;
2087     IntRect dummyImageRect(0, 0, dummyDimension, dummyDimension);
2088     NSRect bounds = [servicesRolloverButtonCell() rectForBounds:dummyImageRect preferredEdge:NSMinYEdge];
2089
2090     return IntSize(dummyDimension - bounds.origin.x, bounds.origin.y);
2091 #else
2092     return IntSize();
2093 #endif
2094 }
2095 #endif
2096
2097 } // namespace WebCore
2098
2099 #endif // !PLATFORM(IOS)