blob: 5e6fd82f99435f6027fc97578074cc25e0c5c223 [file] [log] [blame]
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Simon Hausmann (hausmann@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "HTMLBodyElement.h"
#include "Attribute.h"
#include "CSSStyleSelector.h"
#include "CSSStyleSheet.h"
#include "CSSValueKeywords.h"
#include "EventNames.h"
#include "Frame.h"
#include "FrameView.h"
#include "HTMLFrameElementBase.h"
#include "HTMLNames.h"
#include "HTMLParserIdioms.h"
#include "ScriptEventListener.h"
namespace WebCore {
using namespace HTMLNames;
HTMLBodyElement::HTMLBodyElement(const QualifiedName& tagName, Document* document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(bodyTag));
}
PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(Document* document)
{
return adoptRef(new HTMLBodyElement(bodyTag, document));
}
PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new HTMLBodyElement(tagName, document));
}
HTMLBodyElement::~HTMLBodyElement()
{
if (m_linkDecl) {
m_linkDecl->setNode(0);
m_linkDecl->setParent(0);
}
}
void HTMLBodyElement::createLinkDecl()
{
m_linkDecl = CSSMutableStyleDeclaration::create();
m_linkDecl->setParent(document()->elementSheet());
m_linkDecl->setNode(this);
m_linkDecl->setStrictParsing(!document()->inQuirksMode());
}
bool HTMLBodyElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
{
if (attrName == backgroundAttr) {
result = (MappedAttributeEntry)(eLastEntry + document()->docID());
return false;
}
if (attrName == bgcolorAttr ||
attrName == textAttr ||
attrName == marginwidthAttr ||
attrName == leftmarginAttr ||
attrName == marginheightAttr ||
attrName == topmarginAttr ||
attrName == bgpropertiesAttr) {
result = eUniversal;
return false;
}
return HTMLElement::mapToEntry(attrName, result);
}
void HTMLBodyElement::parseMappedAttribute(Attribute* attr)
{
if (attr->name() == backgroundAttr) {
String url = stripLeadingAndTrailingHTMLSpaces(attr->value());
if (!url.isEmpty())
addCSSImageProperty(attr, CSSPropertyBackgroundImage, document()->completeURL(url).string());
} else if (attr->name() == marginwidthAttr || attr->name() == leftmarginAttr) {
addCSSLength(attr, CSSPropertyMarginRight, attr->value());
addCSSLength(attr, CSSPropertyMarginLeft, attr->value());
} else if (attr->name() == marginheightAttr || attr->name() == topmarginAttr) {
addCSSLength(attr, CSSPropertyMarginBottom, attr->value());
addCSSLength(attr, CSSPropertyMarginTop, attr->value());
} else if (attr->name() == bgcolorAttr) {
addCSSColor(attr, CSSPropertyBackgroundColor, attr->value());
} else if (attr->name() == textAttr) {
addCSSColor(attr, CSSPropertyColor, attr->value());
} else if (attr->name() == bgpropertiesAttr) {
if (equalIgnoringCase(attr->value(), "fixed"))
addCSSProperty(attr, CSSPropertyBackgroundAttachment, CSSValueFixed);
} else if (attr->name() == vlinkAttr ||
attr->name() == alinkAttr ||
attr->name() == linkAttr) {
if (attr->isNull()) {
if (attr->name() == linkAttr)
document()->resetLinkColor();
else if (attr->name() == vlinkAttr)
document()->resetVisitedLinkColor();
else
document()->resetActiveLinkColor();
} else {
if (!m_linkDecl)
createLinkDecl();
m_linkDecl->setProperty(CSSPropertyColor, attr->value(), false, false);
RefPtr<CSSValue> val = m_linkDecl->getPropertyCSSValue(CSSPropertyColor);
if (val && val->isPrimitiveValue()) {
Color col = document()->styleSelector()->getColorFromPrimitiveValue(static_cast<CSSPrimitiveValue*>(val.get()));
if (attr->name() == linkAttr)
document()->setLinkColor(col);
else if (attr->name() == vlinkAttr)
document()->setVisitedLinkColor(col);
else
document()->setActiveLinkColor(col);
}
}
if (attached())
document()->recalcStyle(Force);
} else if (attr->name() == onloadAttr)
document()->setWindowAttributeEventListener(eventNames().loadEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onbeforeunloadAttr)
document()->setWindowAttributeEventListener(eventNames().beforeunloadEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onunloadAttr)
document()->setWindowAttributeEventListener(eventNames().unloadEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onpagehideAttr)
document()->setWindowAttributeEventListener(eventNames().pagehideEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onpageshowAttr)
document()->setWindowAttributeEventListener(eventNames().pageshowEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onpopstateAttr)
document()->setWindowAttributeEventListener(eventNames().popstateEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onblurAttr)
document()->setWindowAttributeEventListener(eventNames().blurEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onfocusAttr)
document()->setWindowAttributeEventListener(eventNames().focusEvent, createAttributeEventListener(document()->frame(), attr));
#if ENABLE(ORIENTATION_EVENTS)
else if (attr->name() == onorientationchangeAttr)
document()->setWindowAttributeEventListener(eventNames().orientationchangeEvent, createAttributeEventListener(document()->frame(), attr));
#endif
else if (attr->name() == onhashchangeAttr)
document()->setWindowAttributeEventListener(eventNames().hashchangeEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onresizeAttr)
document()->setWindowAttributeEventListener(eventNames().resizeEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onscrollAttr)
document()->setWindowAttributeEventListener(eventNames().scrollEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onselectionchangeAttr)
document()->setAttributeEventListener(eventNames().selectionchangeEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onstorageAttr)
document()->setWindowAttributeEventListener(eventNames().storageEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == ononlineAttr)
document()->setWindowAttributeEventListener(eventNames().onlineEvent, createAttributeEventListener(document()->frame(), attr));
else if (attr->name() == onofflineAttr)
document()->setWindowAttributeEventListener(eventNames().offlineEvent, createAttributeEventListener(document()->frame(), attr));
else
HTMLElement::parseMappedAttribute(attr);
}
void HTMLBodyElement::insertedIntoDocument()
{
HTMLElement::insertedIntoDocument();
// FIXME: Perhaps this code should be in attach() instead of here.
Element* ownerElement = document()->ownerElement();
if (ownerElement && (ownerElement->hasTagName(frameTag) || ownerElement->hasTagName(iframeTag))) {
HTMLFrameElementBase* ownerFrameElement = static_cast<HTMLFrameElementBase*>(ownerElement);
int marginWidth = ownerFrameElement->marginWidth();
if (marginWidth != -1)
setAttribute(marginwidthAttr, String::number(marginWidth));
int marginHeight = ownerFrameElement->marginHeight();
if (marginHeight != -1)
setAttribute(marginheightAttr, String::number(marginHeight));
}
// FIXME: This call to scheduleRelayout should not be needed here.
// But without it we hang during WebKit tests; need to fix that and remove this.
if (FrameView* view = document()->view())
view->scheduleRelayout();
if (document() && document()->page())
document()->page()->updateViewportArguments();
}
bool HTMLBodyElement::isURLAttribute(Attribute *attr) const
{
return attr->name() == backgroundAttr;
}
bool HTMLBodyElement::supportsFocus() const
{
return rendererIsEditable() || HTMLElement::supportsFocus();
}
String HTMLBodyElement::aLink() const
{
return getAttribute(alinkAttr);
}
void HTMLBodyElement::setALink(const String& value)
{
setAttribute(alinkAttr, value);
}
String HTMLBodyElement::bgColor() const
{
return getAttribute(bgcolorAttr);
}
void HTMLBodyElement::setBgColor(const String& value)
{
setAttribute(bgcolorAttr, value);
}
String HTMLBodyElement::link() const
{
return getAttribute(linkAttr);
}
void HTMLBodyElement::setLink(const String& value)
{
setAttribute(linkAttr, value);
}
String HTMLBodyElement::text() const
{
return getAttribute(textAttr);
}
void HTMLBodyElement::setText(const String& value)
{
setAttribute(textAttr, value);
}
String HTMLBodyElement::vLink() const
{
return getAttribute(vlinkAttr);
}
void HTMLBodyElement::setVLink(const String& value)
{
setAttribute(vlinkAttr, value);
}
static int adjustForZoom(int value, Document* document)
{
Frame* frame = document->frame();
float zoomFactor = frame->pageZoomFactor() * frame->pageScaleFactor();
if (zoomFactor == 1)
return value;
// Needed because of truncation (rather than rounding) when scaling up.
if (zoomFactor > 1)
value++;
return static_cast<int>(value / zoomFactor);
}
int HTMLBodyElement::scrollLeft() const
{
// Update the document's layout.
Document* document = this->document();
document->updateLayoutIgnorePendingStylesheets();
FrameView* view = document->view();
return view ? adjustForZoom(view->scrollX(), document) : 0;
}
void HTMLBodyElement::setScrollLeft(int scrollLeft)
{
Document* document = this->document();
document->updateLayoutIgnorePendingStylesheets();
Frame* frame = document->frame();
if (!frame)
return;
FrameView* view = frame->view();
if (!view)
return;
view->setScrollPosition(IntPoint(static_cast<int>(scrollLeft * frame->pageZoomFactor() * frame->pageScaleFactor()), view->scrollY()));
}
int HTMLBodyElement::scrollTop() const
{
// Update the document's layout.
Document* document = this->document();
document->updateLayoutIgnorePendingStylesheets();
FrameView* view = document->view();
return view ? adjustForZoom(view->scrollY(), document) : 0;
}
void HTMLBodyElement::setScrollTop(int scrollTop)
{
Document* document = this->document();
document->updateLayoutIgnorePendingStylesheets();
Frame* frame = document->frame();
if (!frame)
return;
FrameView* view = frame->view();
if (!view)
return;
view->setScrollPosition(IntPoint(view->scrollX(), static_cast<int>(scrollTop * frame->pageZoomFactor() * frame->pageScaleFactor())));
}
int HTMLBodyElement::scrollHeight() const
{
// Update the document's layout.
Document* document = this->document();
document->updateLayoutIgnorePendingStylesheets();
FrameView* view = document->view();
return view ? adjustForZoom(view->contentsHeight(), document) : 0;
}
int HTMLBodyElement::scrollWidth() const
{
// Update the document's layout.
Document* document = this->document();
document->updateLayoutIgnorePendingStylesheets();
FrameView* view = document->view();
return view ? adjustForZoom(view->contentsWidth(), document) : 0;
}
void HTMLBodyElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
{
HTMLElement::addSubresourceAttributeURLs(urls);
addSubresourceURL(urls, document()->completeURL(getAttribute(backgroundAttr)));
}
void HTMLBodyElement::didMoveToNewOwnerDocument()
{
// When moving body elements between documents, we should have to reset the parent sheet for any
// link style declarations. If we don't we might crash later.
// In practice I can't reproduce this theoretical problem.
// webarchive/adopt-attribute-styled-body-webarchive.html tries to make sure this crash won't surface.
if (m_linkDecl)
m_linkDecl->setParent(document()->elementSheet());
HTMLElement::didMoveToNewOwnerDocument();
}
} // namespace WebCore