1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * (C) 2000 Simon Hausmann (hausmann@kde.org) 5 * (C) 2001 Dirk Mueller (mueller@kde.org) 6 * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24#include "config.h" 25#include "HTMLBodyElement.h" 26 27#include "Attribute.h" 28#include "CSSImageValue.h" 29#include "CSSParser.h" 30#include "CSSValueKeywords.h" 31#include "EventNames.h" 32#include "Frame.h" 33#include "FrameView.h" 34#include "HTMLFrameElementBase.h" 35#include "HTMLNames.h" 36#include "HTMLParserIdioms.h" 37#include "Page.h" 38#include "StyleProperties.h" 39 40namespace WebCore { 41 42using namespace HTMLNames; 43 44HTMLBodyElement::HTMLBodyElement(const QualifiedName& tagName, Document& document) 45 : HTMLElement(tagName, document) 46{ 47 ASSERT(hasTagName(bodyTag)); 48} 49 50PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(Document& document) 51{ 52 return adoptRef(new HTMLBodyElement(bodyTag, document)); 53} 54 55PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(const QualifiedName& tagName, Document& document) 56{ 57 return adoptRef(new HTMLBodyElement(tagName, document)); 58} 59 60HTMLBodyElement::~HTMLBodyElement() 61{ 62} 63 64bool HTMLBodyElement::isPresentationAttribute(const QualifiedName& name) const 65{ 66 if (name == backgroundAttr || name == marginwidthAttr || name == leftmarginAttr || name == marginheightAttr || name == topmarginAttr || name == bgcolorAttr || name == textAttr || name == bgpropertiesAttr) 67 return true; 68 return HTMLElement::isPresentationAttribute(name); 69} 70 71void HTMLBodyElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style) 72{ 73 if (name == backgroundAttr) { 74 String url = stripLeadingAndTrailingHTMLSpaces(value); 75 if (!url.isEmpty()) { 76 auto imageValue = CSSImageValue::create(document().completeURL(url).string()); 77 imageValue.get().setInitiator(localName()); 78 style.setProperty(CSSProperty(CSSPropertyBackgroundImage, WTF::move(imageValue))); 79 } 80 } else if (name == marginwidthAttr || name == leftmarginAttr) { 81 addHTMLLengthToStyle(style, CSSPropertyMarginRight, value); 82 addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value); 83 } else if (name == marginheightAttr || name == topmarginAttr) { 84 addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value); 85 addHTMLLengthToStyle(style, CSSPropertyMarginTop, value); 86 } else if (name == bgcolorAttr) { 87 addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value); 88 } else if (name == textAttr) { 89 addHTMLColorToStyle(style, CSSPropertyColor, value); 90 } else if (name == bgpropertiesAttr) { 91 if (equalIgnoringCase(value, "fixed")) 92 addPropertyToPresentationAttributeStyle(style, CSSPropertyBackgroundAttachment, CSSValueFixed); 93 } else 94 HTMLElement::collectStyleForPresentationAttribute(name, value, style); 95} 96 97void HTMLBodyElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 98{ 99 if (name == vlinkAttr || name == alinkAttr || name == linkAttr) { 100 if (value.isNull()) { 101 if (name == linkAttr) 102 document().resetLinkColor(); 103 else if (name == vlinkAttr) 104 document().resetVisitedLinkColor(); 105 else 106 document().resetActiveLinkColor(); 107 } else { 108 RGBA32 color; 109 if (CSSParser::parseColor(color, value, !document().inQuirksMode())) { 110 if (name == linkAttr) 111 document().setLinkColor(color); 112 else if (name == vlinkAttr) 113 document().setVisitedLinkColor(color); 114 else 115 document().setActiveLinkColor(color); 116 } 117 } 118 119 setNeedsStyleRecalc(); 120 } else if (name == onloadAttr) 121 document().setWindowAttributeEventListener(eventNames().loadEvent, name, value); 122 else if (name == onbeforeunloadAttr) 123 document().setWindowAttributeEventListener(eventNames().beforeunloadEvent, name, value); 124 else if (name == onunloadAttr) 125 document().setWindowAttributeEventListener(eventNames().unloadEvent, name, value); 126 else if (name == onpagehideAttr) 127 document().setWindowAttributeEventListener(eventNames().pagehideEvent, name, value); 128 else if (name == onpageshowAttr) 129 document().setWindowAttributeEventListener(eventNames().pageshowEvent, name, value); 130 else if (name == onpopstateAttr) 131 document().setWindowAttributeEventListener(eventNames().popstateEvent, name, value); 132 else if (name == onblurAttr) 133 document().setWindowAttributeEventListener(eventNames().blurEvent, name, value); 134 else if (name == onfocusAttr) 135 document().setWindowAttributeEventListener(eventNames().focusEvent, name, value); 136#if ENABLE(ORIENTATION_EVENTS) 137 else if (name == onorientationchangeAttr) 138 document().setWindowAttributeEventListener(eventNames().orientationchangeEvent, name, value); 139#endif 140 else if (name == onhashchangeAttr) 141 document().setWindowAttributeEventListener(eventNames().hashchangeEvent, name, value); 142 else if (name == onresizeAttr) 143 document().setWindowAttributeEventListener(eventNames().resizeEvent, name, value); 144 else if (name == onscrollAttr) 145 document().setWindowAttributeEventListener(eventNames().scrollEvent, name, value); 146 else if (name == onselectionchangeAttr) 147 document().setAttributeEventListener(eventNames().selectionchangeEvent, name, value); 148 else if (name == onstorageAttr) 149 document().setWindowAttributeEventListener(eventNames().storageEvent, name, value); 150 else if (name == ononlineAttr) 151 document().setWindowAttributeEventListener(eventNames().onlineEvent, name, value); 152 else if (name == onofflineAttr) 153 document().setWindowAttributeEventListener(eventNames().offlineEvent, name, value); 154#if ENABLE(WILL_REVEAL_EDGE_EVENTS) 155 else if (name == onwebkitwillrevealbottomAttr) 156 document().setWindowAttributeEventListener(eventNames().webkitwillrevealbottomEvent, name, value); 157 else if (name == onwebkitwillrevealleftAttr) 158 document().setWindowAttributeEventListener(eventNames().webkitwillrevealleftEvent, name, value); 159 else if (name == onwebkitwillrevealrightAttr) 160 document().setWindowAttributeEventListener(eventNames().webkitwillrevealrightEvent, name, value); 161 else if (name == onwebkitwillrevealtopAttr) 162 document().setWindowAttributeEventListener(eventNames().webkitwillrevealtopEvent, name, value); 163#endif 164 else 165 HTMLElement::parseAttribute(name, value); 166} 167 168Node::InsertionNotificationRequest HTMLBodyElement::insertedInto(ContainerNode& insertionPoint) 169{ 170 HTMLElement::insertedInto(insertionPoint); 171 if (!insertionPoint.inDocument()) 172 return InsertionDone; 173 174 // FIXME: It's surprising this is web compatible since it means a marginwidth and marginheight attribute can 175 // magically appear on the <body> of all documents embedded through <iframe> or <frame>. 176 // FIXME: Perhaps this code should be in attach() instead of here. 177 Element* ownerElement = document().ownerElement(); 178 if (ownerElement && isHTMLFrameElementBase(*ownerElement)) { 179 HTMLFrameElementBase& ownerFrameElement = toHTMLFrameElementBase(*ownerElement); 180 int marginWidth = ownerFrameElement.marginWidth(); 181 if (marginWidth != -1) 182 setIntegralAttribute(marginwidthAttr, marginWidth); 183 int marginHeight = ownerFrameElement.marginHeight(); 184 if (marginHeight != -1) 185 setIntegralAttribute(marginheightAttr, marginHeight); 186 } 187 188 return InsertionDone; 189} 190 191bool HTMLBodyElement::isURLAttribute(const Attribute& attribute) const 192{ 193 return attribute.name() == backgroundAttr || HTMLElement::isURLAttribute(attribute); 194} 195 196bool HTMLBodyElement::supportsFocus() const 197{ 198 return hasEditableStyle() || HTMLElement::supportsFocus(); 199} 200 201static int adjustForZoom(int value, const Frame& frame) 202{ 203 double zoomFactor = frame.pageZoomFactor() * frame.frameScaleFactor(); 204 if (zoomFactor == 1) 205 return value; 206 // Needed because of truncation (rather than rounding) when scaling up. 207 if (zoomFactor > 1) 208 value++; 209 return static_cast<int>(value / zoomFactor); 210} 211 212int HTMLBodyElement::scrollLeft() 213{ 214 document().updateLayoutIgnorePendingStylesheets(); 215 Frame* frame = document().frame(); 216 if (!frame) 217 return 0; 218 FrameView* view = frame->view(); 219 if (!view) 220 return 0; 221 return adjustForZoom(view->contentsScrollPosition().x(), *frame); 222} 223 224void HTMLBodyElement::setScrollLeft(int scrollLeft) 225{ 226 document().updateLayoutIgnorePendingStylesheets(); 227 Frame* frame = document().frame(); 228 if (!frame) 229 return; 230 FrameView* view = frame->view(); 231 if (!view) 232 return; 233 view->setScrollPosition(IntPoint(static_cast<int>(scrollLeft * frame->pageZoomFactor() * frame->frameScaleFactor()), view->scrollY())); 234} 235 236int HTMLBodyElement::scrollTop() 237{ 238 document().updateLayoutIgnorePendingStylesheets(); 239 Frame* frame = document().frame(); 240 if (!frame) 241 return 0; 242 FrameView* view = frame->view(); 243 if (!view) 244 return 0; 245 return adjustForZoom(view->contentsScrollPosition().y(), *frame); 246} 247 248void HTMLBodyElement::setScrollTop(int scrollTop) 249{ 250 document().updateLayoutIgnorePendingStylesheets(); 251 Frame* frame = document().frame(); 252 if (!frame) 253 return; 254 FrameView* view = frame->view(); 255 if (!view) 256 return; 257 view->setScrollPosition(IntPoint(view->scrollX(), static_cast<int>(scrollTop * frame->pageZoomFactor() * frame->frameScaleFactor()))); 258} 259 260int HTMLBodyElement::scrollHeight() 261{ 262 // Update the document's layout. 263 document().updateLayoutIgnorePendingStylesheets(); 264 Frame* frame = document().frame(); 265 if (!frame) 266 return 0; 267 FrameView* view = frame->view(); 268 if (!view) 269 return 0; 270 return adjustForZoom(view->contentsHeight(), *frame); 271} 272 273int HTMLBodyElement::scrollWidth() 274{ 275 // Update the document's layout. 276 document().updateLayoutIgnorePendingStylesheets(); 277 Frame* frame = document().frame(); 278 if (!frame) 279 return 0; 280 FrameView* view = frame->view(); 281 if (!view) 282 return 0; 283 return adjustForZoom(view->contentsWidth(), *frame); 284} 285 286void HTMLBodyElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const 287{ 288 HTMLElement::addSubresourceAttributeURLs(urls); 289 290 addSubresourceURL(urls, document().completeURL(getAttribute(backgroundAttr))); 291} 292 293} // namespace WebCore 294