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/platform/external/webkit/WebCore/bindings/objc/DOM.mm

https://github.com/aharish/totoro-gb-opensource-update2
Objective C++ | 563 lines | 431 code | 72 blank | 60 comment | 33 complexity | 5d00c6f97aa293793d7e57efd2701aba MD5 | raw file
  1/*
  2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  3 * Copyright (C) 2006 James G. Speth (speth@end.com)
  4 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  5 *
  6 * Redistribution and use in source and binary forms, with or without
  7 * modification, are permitted provided that the following conditions
  8 * are met:
  9 * 1. Redistributions of source code must retain the above copyright
 10 *    notice, this list of conditions and the following disclaimer.
 11 * 2. Redistributions in binary form must reproduce the above copyright
 12 *    notice, this list of conditions and the following disclaimer in the
 13 *    documentation and/or other materials provided with the distribution.
 14 *
 15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 18 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 26 */
 27
 28#import "config.h"
 29#import "DOMInternal.h" // import first to make the private/public trick work
 30#import "DOM.h"
 31
 32#import "DOMElementInternal.h"
 33#import "DOMHTMLCanvasElement.h"
 34#import "DOMNodeInternal.h"
 35#import "DOMPrivate.h"
 36#import "DOMRangeInternal.h"
 37#import "Frame.h"
 38#import "HTMLElement.h"
 39#import "HTMLNames.h"
 40#import "NodeFilter.h"
 41#import "RenderImage.h"
 42#import "WebScriptObjectPrivate.h"
 43#import <wtf/HashMap.h>
 44
 45#if ENABLE(SVG_DOM_OBJC_BINDINGS)
 46#import "DOMSVG.h"
 47#import "SVGElementInstance.h"
 48#import "SVGNames.h"
 49#endif
 50
 51using namespace JSC;
 52using namespace WebCore;
 53
 54// FIXME: Would be nice to break this up into separate files to match how other WebKit
 55// code is organized.
 56
 57//------------------------------------------------------------------------------------------
 58// DOMNode
 59
 60namespace WebCore {
 61
 62typedef HashMap<const QualifiedName::QualifiedNameImpl*, Class> ObjCClassMap;
 63static ObjCClassMap* elementClassMap;
 64
 65static void addElementClass(const QualifiedName& tag, Class objCClass)
 66{
 67    elementClassMap->set(tag.impl(), objCClass);
 68}
 69
 70static void createElementClassMap()
 71{
 72    // Create the table.
 73    elementClassMap = new ObjCClassMap;
 74
 75    // FIXME: Reflect marquee once the API has been determined.
 76
 77    // Populate it with HTML and SVG element classes.
 78    addElementClass(HTMLNames::aTag, [DOMHTMLAnchorElement class]);
 79    addElementClass(HTMLNames::appletTag, [DOMHTMLAppletElement class]);
 80    addElementClass(HTMLNames::areaTag, [DOMHTMLAreaElement class]);
 81    addElementClass(HTMLNames::baseTag, [DOMHTMLBaseElement class]);
 82    addElementClass(HTMLNames::basefontTag, [DOMHTMLBaseFontElement class]);
 83    addElementClass(HTMLNames::bodyTag, [DOMHTMLBodyElement class]);
 84    addElementClass(HTMLNames::brTag, [DOMHTMLBRElement class]);
 85    addElementClass(HTMLNames::buttonTag, [DOMHTMLButtonElement class]);
 86    addElementClass(HTMLNames::canvasTag, [DOMHTMLCanvasElement class]);
 87    addElementClass(HTMLNames::captionTag, [DOMHTMLTableCaptionElement class]);
 88    addElementClass(HTMLNames::colTag, [DOMHTMLTableColElement class]);
 89    addElementClass(HTMLNames::colgroupTag, [DOMHTMLTableColElement class]);
 90    addElementClass(HTMLNames::delTag, [DOMHTMLModElement class]);
 91    addElementClass(HTMLNames::dirTag, [DOMHTMLDirectoryElement class]);
 92    addElementClass(HTMLNames::divTag, [DOMHTMLDivElement class]);
 93    addElementClass(HTMLNames::dlTag, [DOMHTMLDListElement class]);
 94    addElementClass(HTMLNames::embedTag, [DOMHTMLEmbedElement class]);
 95    addElementClass(HTMLNames::fieldsetTag, [DOMHTMLFieldSetElement class]);
 96    addElementClass(HTMLNames::fontTag, [DOMHTMLFontElement class]);
 97    addElementClass(HTMLNames::formTag, [DOMHTMLFormElement class]);
 98    addElementClass(HTMLNames::frameTag, [DOMHTMLFrameElement class]);
 99    addElementClass(HTMLNames::framesetTag, [DOMHTMLFrameSetElement class]);
100    addElementClass(HTMLNames::h1Tag, [DOMHTMLHeadingElement class]);
101    addElementClass(HTMLNames::h2Tag, [DOMHTMLHeadingElement class]);
102    addElementClass(HTMLNames::h3Tag, [DOMHTMLHeadingElement class]);
103    addElementClass(HTMLNames::h4Tag, [DOMHTMLHeadingElement class]);
104    addElementClass(HTMLNames::h5Tag, [DOMHTMLHeadingElement class]);
105    addElementClass(HTMLNames::h6Tag, [DOMHTMLHeadingElement class]);
106    addElementClass(HTMLNames::headTag, [DOMHTMLHeadElement class]);
107    addElementClass(HTMLNames::hrTag, [DOMHTMLHRElement class]);
108    addElementClass(HTMLNames::htmlTag, [DOMHTMLHtmlElement class]);
109    addElementClass(HTMLNames::iframeTag, [DOMHTMLIFrameElement class]);
110    addElementClass(HTMLNames::imgTag, [DOMHTMLImageElement class]);
111    addElementClass(HTMLNames::inputTag, [DOMHTMLInputElement class]);
112    addElementClass(HTMLNames::insTag, [DOMHTMLModElement class]);
113    addElementClass(HTMLNames::isindexTag, [DOMHTMLIsIndexElement class]);
114    addElementClass(HTMLNames::labelTag, [DOMHTMLLabelElement class]);
115    addElementClass(HTMLNames::legendTag, [DOMHTMLLegendElement class]);
116    addElementClass(HTMLNames::liTag, [DOMHTMLLIElement class]);
117    addElementClass(HTMLNames::linkTag, [DOMHTMLLinkElement class]);
118    addElementClass(HTMLNames::listingTag, [DOMHTMLPreElement class]);
119    addElementClass(HTMLNames::mapTag, [DOMHTMLMapElement class]);
120    addElementClass(HTMLNames::marqueeTag, [DOMHTMLMarqueeElement class]);
121    addElementClass(HTMLNames::menuTag, [DOMHTMLMenuElement class]);
122    addElementClass(HTMLNames::metaTag, [DOMHTMLMetaElement class]);
123    addElementClass(HTMLNames::objectTag, [DOMHTMLObjectElement class]);
124    addElementClass(HTMLNames::olTag, [DOMHTMLOListElement class]);
125    addElementClass(HTMLNames::optgroupTag, [DOMHTMLOptGroupElement class]);
126    addElementClass(HTMLNames::optionTag, [DOMHTMLOptionElement class]);
127    addElementClass(HTMLNames::pTag, [DOMHTMLParagraphElement class]);
128    addElementClass(HTMLNames::paramTag, [DOMHTMLParamElement class]);
129    addElementClass(HTMLNames::preTag, [DOMHTMLPreElement class]);
130    addElementClass(HTMLNames::qTag, [DOMHTMLQuoteElement class]);
131    addElementClass(HTMLNames::scriptTag, [DOMHTMLScriptElement class]);
132    addElementClass(HTMLNames::keygenTag, [DOMHTMLSelectElement class]);
133    addElementClass(HTMLNames::selectTag, [DOMHTMLSelectElement class]);
134    addElementClass(HTMLNames::styleTag, [DOMHTMLStyleElement class]);
135    addElementClass(HTMLNames::tableTag, [DOMHTMLTableElement class]);
136    addElementClass(HTMLNames::tbodyTag, [DOMHTMLTableSectionElement class]);
137    addElementClass(HTMLNames::tdTag, [DOMHTMLTableCellElement class]);
138    addElementClass(HTMLNames::textareaTag, [DOMHTMLTextAreaElement class]);
139    addElementClass(HTMLNames::tfootTag, [DOMHTMLTableSectionElement class]);
140    addElementClass(HTMLNames::thTag, [DOMHTMLTableCellElement class]);
141    addElementClass(HTMLNames::theadTag, [DOMHTMLTableSectionElement class]);
142    addElementClass(HTMLNames::titleTag, [DOMHTMLTitleElement class]);
143    addElementClass(HTMLNames::trTag, [DOMHTMLTableRowElement class]);
144    addElementClass(HTMLNames::ulTag, [DOMHTMLUListElement class]);
145    addElementClass(HTMLNames::xmpTag, [DOMHTMLPreElement class]);
146
147#if ENABLE(SVG_DOM_OBJC_BINDINGS)
148    addElementClass(SVGNames::aTag, [DOMSVGAElement class]);
149    addElementClass(SVGNames::altGlyphTag, [DOMSVGAltGlyphElement class]);
150#if ENABLE(SVG_ANIMATION)
151    addElementClass(SVGNames::animateTag, [DOMSVGAnimateElement class]);
152    addElementClass(SVGNames::animateColorTag, [DOMSVGAnimateColorElement class]);
153    addElementClass(SVGNames::animateTransformTag, [DOMSVGAnimateTransformElement class]);
154    addElementClass(SVGNames::setTag, [DOMSVGSetElement class]);
155#endif
156    addElementClass(SVGNames::circleTag, [DOMSVGCircleElement class]);
157    addElementClass(SVGNames::clipPathTag, [DOMSVGClipPathElement class]);
158    addElementClass(SVGNames::cursorTag, [DOMSVGCursorElement class]);
159    addElementClass(SVGNames::defsTag, [DOMSVGDefsElement class]);
160    addElementClass(SVGNames::descTag, [DOMSVGDescElement class]);
161    addElementClass(SVGNames::ellipseTag, [DOMSVGEllipseElement class]);
162#if ENABLE(FILTERS)
163    addElementClass(SVGNames::feBlendTag, [DOMSVGFEBlendElement class]);
164    addElementClass(SVGNames::feColorMatrixTag, [DOMSVGFEColorMatrixElement class]);
165    addElementClass(SVGNames::feComponentTransferTag, [DOMSVGFEComponentTransferElement class]);
166    addElementClass(SVGNames::feCompositeTag, [DOMSVGFECompositeElement class]);
167    addElementClass(SVGNames::feDiffuseLightingTag, [DOMSVGFEDiffuseLightingElement class]);
168    addElementClass(SVGNames::feDisplacementMapTag, [DOMSVGFEDisplacementMapElement class]);
169    addElementClass(SVGNames::feDistantLightTag, [DOMSVGFEDistantLightElement class]);
170    addElementClass(SVGNames::feFloodTag, [DOMSVGFEFloodElement class]);
171    addElementClass(SVGNames::feFuncATag, [DOMSVGFEFuncAElement class]);
172    addElementClass(SVGNames::feFuncBTag, [DOMSVGFEFuncBElement class]);
173    addElementClass(SVGNames::feFuncGTag, [DOMSVGFEFuncGElement class]);
174    addElementClass(SVGNames::feFuncRTag, [DOMSVGFEFuncRElement class]);
175    addElementClass(SVGNames::feGaussianBlurTag, [DOMSVGFEGaussianBlurElement class]);
176    addElementClass(SVGNames::feImageTag, [DOMSVGFEImageElement class]);
177    addElementClass(SVGNames::feMergeTag, [DOMSVGFEMergeElement class]);
178    addElementClass(SVGNames::feMergeNodeTag, [DOMSVGFEMergeNodeElement class]);
179    addElementClass(SVGNames::feMorphologyTag, [DOMSVGFEMorphologyElement class]);
180    addElementClass(SVGNames::feOffsetTag, [DOMSVGFEOffsetElement class]);
181    addElementClass(SVGNames::fePointLightTag, [DOMSVGFEPointLightElement class]);
182    addElementClass(SVGNames::feSpecularLightingTag, [DOMSVGFESpecularLightingElement class]);
183    addElementClass(SVGNames::feSpotLightTag, [DOMSVGFESpotLightElement class]);
184    addElementClass(SVGNames::feTileTag, [DOMSVGFETileElement class]);
185    addElementClass(SVGNames::feTurbulenceTag, [DOMSVGFETurbulenceElement class]);
186    addElementClass(SVGNames::filterTag, [DOMSVGFilterElement class]);
187#endif
188#if ENABLE(SVG_FONTS)
189    addElementClass(SVGNames::fontTag, [DOMSVGFontElement class]);
190    addElementClass(SVGNames::font_faceTag, [DOMSVGFontFaceElement class]);
191    addElementClass(SVGNames::font_face_formatTag, [DOMSVGFontFaceFormatElement class]);
192    addElementClass(SVGNames::font_face_nameTag, [DOMSVGFontFaceNameElement class]);
193    addElementClass(SVGNames::font_face_srcTag, [DOMSVGFontFaceSrcElement class]);
194    addElementClass(SVGNames::font_face_uriTag, [DOMSVGFontFaceUriElement class]);
195    addElementClass(SVGNames::glyphTag, [DOMSVGGlyphElement class]);
196#endif
197    addElementClass(SVGNames::gTag, [DOMSVGGElement class]);
198    addElementClass(SVGNames::imageTag, [DOMSVGImageElement class]);
199    addElementClass(SVGNames::lineTag, [DOMSVGLineElement class]);
200    addElementClass(SVGNames::linearGradientTag, [DOMSVGLinearGradientElement class]);
201    addElementClass(SVGNames::markerTag, [DOMSVGMarkerElement class]);
202    addElementClass(SVGNames::maskTag, [DOMSVGMaskElement class]);
203    addElementClass(SVGNames::metadataTag, [DOMSVGMetadataElement class]);
204#if ENABLE(SVG_FONTS)
205    addElementClass(SVGNames::missing_glyphTag, [DOMSVGMissingGlyphElement class]);
206#endif
207    addElementClass(SVGNames::pathTag, [DOMSVGPathElement class]);
208    addElementClass(SVGNames::patternTag, [DOMSVGPatternElement class]);
209    addElementClass(SVGNames::polygonTag, [DOMSVGPolygonElement class]);
210    addElementClass(SVGNames::polylineTag, [DOMSVGPolylineElement class]);
211    addElementClass(SVGNames::radialGradientTag, [DOMSVGRadialGradientElement class]);
212    addElementClass(SVGNames::rectTag, [DOMSVGRectElement class]);
213    addElementClass(SVGNames::scriptTag, [DOMSVGScriptElement class]);
214    addElementClass(SVGNames::stopTag, [DOMSVGStopElement class]);
215    addElementClass(SVGNames::styleTag, [DOMSVGStyleElement class]);
216    addElementClass(SVGNames::svgTag, [DOMSVGSVGElement class]);
217    addElementClass(SVGNames::switchTag, [DOMSVGSwitchElement class]);
218    addElementClass(SVGNames::symbolTag, [DOMSVGSymbolElement class]);
219    addElementClass(SVGNames::textTag, [DOMSVGTextElement class]);
220    addElementClass(SVGNames::titleTag, [DOMSVGTitleElement class]);
221    addElementClass(SVGNames::trefTag, [DOMSVGTRefElement class]);
222    addElementClass(SVGNames::tspanTag, [DOMSVGTSpanElement class]);
223    addElementClass(SVGNames::textPathTag, [DOMSVGTextPathElement class]);
224    addElementClass(SVGNames::useTag, [DOMSVGUseElement class]);
225    addElementClass(SVGNames::viewTag, [DOMSVGViewElement class]);
226#endif
227}
228
229static Class lookupElementClass(const QualifiedName& tag)
230{
231    // Do a special lookup to ignore element prefixes
232    if (tag.hasPrefix())
233        return elementClassMap->get(QualifiedName(nullAtom, tag.localName(), tag.namespaceURI()).impl());
234    
235    return elementClassMap->get(tag.impl());
236}
237
238static Class elementClass(const QualifiedName& tag, Class defaultClass)
239{
240    if (!elementClassMap)
241        createElementClassMap();
242    Class objcClass = lookupElementClass(tag);
243    if (!objcClass)
244        objcClass = defaultClass;
245    return objcClass;
246}
247
248static NSArray *kit(const Vector<IntRect>& rects)
249{
250    size_t size = rects.size();
251    NSMutableArray *array = [NSMutableArray arrayWithCapacity:size];
252    for (size_t i = 0; i < size; ++i)
253        [array addObject:[NSValue valueWithRect:rects[i]]];
254    return array;
255}
256
257} // namespace WebCore
258
259@implementation DOMNode (WebCoreInternal)
260
261- (NSString *)description
262{
263    if (!_internal)
264        return [NSString stringWithFormat:@"<%@: null>", [[self class] description], self];
265
266    NSString *value = [self nodeValue];
267    if (value)
268        return [NSString stringWithFormat:@"<%@ [%@]: %p '%@'>",
269            [[self class] description], [self nodeName], _internal, value];
270
271    return [NSString stringWithFormat:@"<%@ [%@]: %p>", [[self class] description], [self nodeName], _internal];
272}
273
274- (JSC::Bindings::RootObject*)_rootObject
275{
276    WebCore::Frame* frame = core(self)->document()->frame();
277    if (!frame)
278        return 0;
279    return frame->script()->bindingRootObject();
280}
281
282@end
283
284Class kitClass(WebCore::Node* impl)
285{
286    switch (impl->nodeType()) {
287        case WebCore::Node::ELEMENT_NODE:
288            if (impl->isHTMLElement())
289                return WebCore::elementClass(static_cast<WebCore::HTMLElement*>(impl)->tagQName(), [DOMHTMLElement class]);
290#if ENABLE(SVG_DOM_OBJC_BINDINGS)
291            if (impl->isSVGElement())
292                return WebCore::elementClass(static_cast<WebCore::SVGElement*>(impl)->tagQName(), [DOMSVGElement class]);
293#endif
294            return [DOMElement class];
295        case WebCore::Node::ATTRIBUTE_NODE:
296            return [DOMAttr class];
297        case WebCore::Node::TEXT_NODE:
298            return [DOMText class];
299        case WebCore::Node::CDATA_SECTION_NODE:
300            return [DOMCDATASection class];
301        case WebCore::Node::ENTITY_REFERENCE_NODE:
302            return [DOMEntityReference class];
303        case WebCore::Node::ENTITY_NODE:
304            return [DOMEntity class];
305        case WebCore::Node::PROCESSING_INSTRUCTION_NODE:
306            return [DOMProcessingInstruction class];
307        case WebCore::Node::COMMENT_NODE:
308            return [DOMComment class];
309        case WebCore::Node::DOCUMENT_NODE:
310            if (static_cast<WebCore::Document*>(impl)->isHTMLDocument())
311                return [DOMHTMLDocument class];
312#if ENABLE(SVG_DOM_OBJC_BINDINGS)
313            if (static_cast<WebCore::Document*>(impl)->isSVGDocument())
314                return [DOMSVGDocument class];
315#endif
316            return [DOMDocument class];
317        case WebCore::Node::DOCUMENT_TYPE_NODE:
318            return [DOMDocumentType class];
319        case WebCore::Node::DOCUMENT_FRAGMENT_NODE:
320            return [DOMDocumentFragment class];
321        case WebCore::Node::NOTATION_NODE:
322            return [DOMNotation class];
323        case WebCore::Node::XPATH_NAMESPACE_NODE:
324            // FIXME: Create an XPath objective C wrapper
325            // See http://bugs.webkit.org/show_bug.cgi?id=8755
326            return nil;
327    }
328    ASSERT_NOT_REACHED();
329    return nil;
330}
331
332id <DOMEventTarget> kit(WebCore::EventTarget* eventTarget)
333{
334    if (!eventTarget)
335        return nil;
336
337    if (WebCore::Node* node = eventTarget->toNode())
338        return kit(node);
339
340#if ENABLE(SVG_DOM_OBJC_BINDINGS)
341    if (WebCore::SVGElementInstance* svgElementInstance = eventTarget->toSVGElementInstance())
342        return kit(svgElementInstance);
343#endif
344
345    // We don't have an ObjC binding for XMLHttpRequest.
346
347    return nil;
348}
349
350@implementation DOMNode (DOMNodeExtensions)
351
352- (NSRect)boundingBox
353{
354    // FIXME: Could we move this function to WebCore::Node and autogenerate?
355    core(self)->document()->updateLayoutIgnorePendingStylesheets();
356    WebCore::RenderObject* renderer = core(self)->renderer();
357    if (!renderer)
358        return NSZeroRect;
359    return renderer->absoluteBoundingBoxRect();
360}
361
362- (NSArray *)lineBoxRects
363{
364    return [self textRects];
365}
366
367@end
368
369@implementation DOMNode (DOMNodeExtensionsPendingPublic)
370
371- (NSImage *)renderedImage
372{
373    // FIXME: Could we move this function to WebCore::Node and autogenerate?
374    WebCore::Node* node = core(self);
375    WebCore::Frame* frame = node->document()->frame();
376    if (!frame)
377        return nil;
378    return frame->nodeImage(node);
379}
380
381- (NSArray *)textRects
382{
383    // FIXME: Could we move this function to WebCore::Node and autogenerate?
384    core(self)->document()->updateLayoutIgnorePendingStylesheets();
385    if (!core(self)->renderer())
386        return nil;
387    RefPtr<Range> range = Range::create(core(self)->document());
388    WebCore::ExceptionCode ec = 0;
389    range->selectNodeContents(core(self), ec);
390    Vector<WebCore::IntRect> rects;
391    range->textRects(rects);
392    return kit(rects);
393}
394@end
395
396@implementation DOMRange (DOMRangeExtensions)
397
398- (NSRect)boundingBox
399{
400    // FIXME: The call to updateLayoutIgnorePendingStylesheets should be moved into WebCore::Range.
401    core(self)->ownerDocument()->updateLayoutIgnorePendingStylesheets();
402    return core(self)->boundingBox();
403}
404
405- (NSArray *)textRects
406{
407    // FIXME: The call to updateLayoutIgnorePendingStylesheets should be moved into WebCore::Range.
408    Vector<WebCore::IntRect> rects;
409    core(self)->ownerDocument()->updateLayoutIgnorePendingStylesheets();
410    core(self)->textRects(rects);
411    return kit(rects);
412}
413
414- (NSArray *)lineBoxRects
415{
416    // FIXME: Remove this once all clients stop using it and we drop Leopard support.
417    return [self textRects];
418}
419
420@end
421
422//------------------------------------------------------------------------------------------
423// DOMElement
424
425@implementation DOMElement (DOMElementAppKitExtensions)
426
427- (NSImage*)image
428{
429    // FIXME: Could we move this function to WebCore::Node and autogenerate?
430    WebCore::RenderObject* renderer = core(self)->renderer();
431    if (!renderer || !renderer->isImage())
432        return nil;
433    WebCore::CachedImage* cachedImage = static_cast<WebCore::RenderImage*>(renderer)->cachedImage();
434    if (!cachedImage || cachedImage->errorOccurred())
435        return nil;
436    return cachedImage->image()->getNSImage();
437}
438
439@end
440
441@implementation DOMElement (WebPrivate)
442
443- (NSFont *)_font
444{
445    // FIXME: Could we move this function to WebCore::Element and autogenerate?
446    WebCore::RenderObject* renderer = core(self)->renderer();
447    if (!renderer)
448        return nil;
449    return renderer->style()->font().primaryFont()->getNSFont();
450}
451
452- (NSData *)_imageTIFFRepresentation
453{
454    // FIXME: Could we move this function to WebCore::Element and autogenerate?
455    WebCore::RenderObject* renderer = core(self)->renderer();
456    if (!renderer || !renderer->isImage())
457        return nil;
458    WebCore::CachedImage* cachedImage = static_cast<WebCore::RenderImage*>(renderer)->cachedImage();
459    if (!cachedImage || cachedImage->errorOccurred())
460        return nil;
461    return (NSData *)cachedImage->image()->getTIFFRepresentation();
462}
463
464- (NSURL *)_getURLAttribute:(NSString *)name
465{
466    // FIXME: Could we move this function to WebCore::Element and autogenerate?
467    ASSERT(name);
468    WebCore::Element* element = core(self);
469    ASSERT(element);
470    return element->document()->completeURL(deprecatedParseURL(element->getAttribute(name)));
471}
472
473- (BOOL)isFocused
474{
475    // FIXME: Could we move this function to WebCore::Element and autogenerate?
476    WebCore::Element* element = core(self);
477    return element->document()->focusedNode() == element;
478}
479
480@end
481
482//------------------------------------------------------------------------------------------
483// DOMRange
484
485@implementation DOMRange (WebPrivate)
486
487- (NSString *)description
488{
489    if (!_internal)
490        return @"<DOMRange: null>";
491    return [NSString stringWithFormat:@"<DOMRange: %@ %d %@ %d>",
492               [self startContainer], [self startOffset], [self endContainer], [self endOffset]];
493}
494
495// FIXME: This should be removed as soon as all internal Apple uses of it have been replaced with
496// calls to the public method - (NSString *)text.
497- (NSString *)_text
498{
499    return [self text];
500}
501
502@end
503
504//------------------------------------------------------------------------------------------
505// DOMRGBColor
506
507@implementation DOMRGBColor (WebPrivate)
508
509// FIXME: This should be removed as soon as all internal Apple uses of it have been replaced with
510// calls to the public method - (NSColor *)color.
511- (NSColor *)_color
512{
513    return [self color];
514}
515
516@end
517
518
519//------------------------------------------------------------------------------------------
520// DOMNodeFilter
521
522DOMNodeFilter *kit(WebCore::NodeFilter* impl)
523{
524    if (!impl)
525        return nil;
526    
527    if (DOMNodeFilter *wrapper = getDOMWrapper(impl))
528        return [[wrapper retain] autorelease];
529    
530    DOMNodeFilter *wrapper = [[DOMNodeFilter alloc] _init];
531    wrapper->_internal = reinterpret_cast<DOMObjectInternal*>(impl);
532    impl->ref();
533    addDOMWrapper(wrapper, impl);
534    return [wrapper autorelease];
535}
536
537WebCore::NodeFilter* core(DOMNodeFilter *wrapper)
538{
539    return wrapper ? reinterpret_cast<WebCore::NodeFilter*>(wrapper->_internal) : 0;
540}
541
542@implementation DOMNodeFilter
543
544- (void)dealloc
545{
546    if (_internal)
547        reinterpret_cast<WebCore::NodeFilter*>(_internal)->deref();
548    [super dealloc];
549}
550
551- (void)finalize
552{
553    if (_internal)
554        reinterpret_cast<WebCore::NodeFilter*>(_internal)->deref();
555    [super finalize];
556}
557
558- (short)acceptNode:(DOMNode *)node
559{
560    return core(self)->acceptNode(core(node));
561}
562
563@end