/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 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.
*
* Portions are Copyright (C) 2002 Netscape Communications Corporation.
* Other contributors: David Baron <dbaron@fas.harvard.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Alternatively, the document type parsing portions of this file may be used
* under the terms of either the Mozilla Public License Version 1.1, found at
* http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
* License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
* (the "GPL"), in which case the provisions of the MPL or the GPL are
* applicable instead of those above. If you wish to allow use of your
* version of this file only under the terms of one of those two
* licenses (the MPL or the GPL) and not to allow others to use your
* version of this file under the LGPL, indicate your decision by
* deleting the provisions above and replace them with the notice and
* other provisions required by the MPL or the GPL, as the case may be.
* If you do not delete the provisions above, a recipient may use your
* version of this file under any of the LGPL, the MPL or the GPL.
*/
#include "config.h"
#include "HTMLDocument.h"
#include "CSSPropertyNames.h"
#include "CSSStyleSelector.h"
#include "CString.h"
#include "CookieJar.h"
#include "DocumentLoader.h"
#include "DocumentType.h"
#include "ExceptionCode.h"
#include "FocusController.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameTree.h"
#include "FrameView.h"
#include "HTMLBodyElement.h"
#include "HTMLElementFactory.h"
#include "HTMLNames.h"
#include "HTMLTokenizer.h"
#include "InspectorController.h"
#include "KURL.h"
#include "Page.h"
#include "DocTypeStrings.cpp"
#ifdef ANDROID_META_SUPPORT
#include "FrameTree.h"
#include "Settings.h"
#endif
namespace WebCore {
using namespace HTMLNames;
HTMLDocument::HTMLDocument(Frame* frame)
: Document(frame, false)
{
clearXMLVersion();
setParseMode(Compat);
}
HTMLDocument::~HTMLDocument()
{
}
int HTMLDocument::width()
{
updateLayoutIgnorePendingStylesheets();
FrameView* frameView = view();
return frameView ? frameView->contentsWidth() : 0;
}
int HTMLDocument::height()
{
updateLayoutIgnorePendingStylesheets();
FrameView* frameView = view();
return frameView ? frameView->contentsHeight() : 0;
}
String HTMLDocument::dir()
{
HTMLElement* b = body();
if (!b)
return String();
return b->dir();
}
void HTMLDocument::setDir(const String& value)
{
HTMLElement* b = body();
if (b)
b->setDir(value);
}
String HTMLDocument::designMode() const
{
return inDesignMode() ? "on" : "off";
}
void HTMLDocument::setDesignMode(const String& value)
{
InheritedBool mode;
if (equalIgnoringCase(value, "on"))
mode = on;
else if (equalIgnoringCase(value, "off"))
mode = off;
else
mode = inherit;
Document::setDesignMode(mode);
}
String HTMLDocument::compatMode() const
{
return inCompatMode() ? "BackCompat" : "CSS1Compat";
}
Element* HTMLDocument::activeElement()
{
if (Node* node = focusedNode())
if (node->isElementNode())
return static_cast<Element*>(node);
return body();
}
bool HTMLDocument::hasFocus()
{
if (!page()->focusController()->isActive())
return false;
if (Frame* focusedFrame = page()->focusController()->focusedFrame()) {
if (focusedFrame->tree()->isDescendantOf(frame()))
return true;
}
return false;
}
String HTMLDocument::bgColor()
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (!bodyElement)
return String();
return bodyElement->bgColor();
}
void HTMLDocument::setBgColor(const String& value)
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (bodyElement)
bodyElement->setBgColor(value);
}
String HTMLDocument::fgColor()
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (!bodyElement)
return String();
return bodyElement->text();
}
void HTMLDocument::setFgColor(const String& value)
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (bodyElement)
bodyElement->setText(value);
}
String HTMLDocument::alinkColor()
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (!bodyElement)
return String();
return bodyElement->aLink();
}
void HTMLDocument::setAlinkColor(const String& value)
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (bodyElement) {
// This check is a bit silly, but some benchmarks like to set the
// document's link colors over and over to the same value and we
// don't want to incur a style update each time.
if (bodyElement->aLink() != value)
bodyElement->setALink(value);
}
}
String HTMLDocument::linkColor()
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (!bodyElement)
return String();
return bodyElement->link();
}
void HTMLDocument::setLinkColor(const String& value)
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (bodyElement) {
// This check is a bit silly, but some benchmarks like to set the
// document's link colors over and over to the same value and we
// don't want to incur a style update each time.
if (bodyElement->link() != value)
bodyElement->setLink(value);
}
}
String HTMLDocument::vlinkColor()
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (!bodyElement)
return String();
return bodyElement->vLink();
}
void HTMLDocument::setVlinkColor(const String& value)
{
HTMLElement* b = body();
HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
if (bodyElement) {
// This check is a bit silly, but some benchmarks like to set the
// document's link colors over and over to the same value and we
// don't want to incur a style update each time.
if (bodyElement->vLink() != value)
bodyElement->setVLink(value);
}
}
void HTMLDocument::captureEvents()
{
}
void HTMLDocument::releaseEvents()
{
}
Tokenizer *HTMLDocument::createTokenizer()
{
bool reportErrors = false;
if (frame())
if (Page* page = frame()->page())
reportErrors = page->inspectorController()->windowVisible();
return new HTMLTokenizer(this, reportErrors);
}
// --------------------------------------------------------------------------
// not part of the DOM
// --------------------------------------------------------------------------
bool HTMLDocument::childAllowed(Node *newChild)
{
return newChild->hasTagName(htmlTag) || newChild->isCommentNode() || (newChild->nodeType() == DOCUMENT_TYPE_NODE && !doctype());
}
PassRefPtr<Element> HTMLDocument::createElement(const AtomicString& name, ExceptionCode& ec)
{
if (!isValidName(name)) {
ec = INVALID_CHARACTER_ERR;
return 0;
}
AtomicString lowerName = name.string().impl()->isLower() ? name : AtomicString(name.string().lower());
return HTMLElementFactory::createHTMLElement(QualifiedName(nullAtom, lowerName, xhtmlNamespaceURI), this, 0, false);
}
static void addItemToMap(HTMLDocument::NameCountMap& map, const AtomicString& name)
{
if (name.isEmpty())
return;
HTMLDocument::NameCountMap::iterator it = map.find(name.impl());
if (it == map.end())
map.set(name.impl(), 1);
else
++(it->second);
}
static void removeItemFromMap(HTMLDocument::NameCountMap& map, const AtomicString& name)
{
if (name.isEmpty())
return;
HTMLDocument::NameCountMap::iterator it = map.find(name.impl());
if (it == map.end())
return;
int oldVal = it->second;
ASSERT(oldVal != 0);
int newVal = oldVal - 1;
if (newVal == 0)
map.remove(it);
else
it->second = newVal;
}
void HTMLDocument::addNamedItem(const AtomicString& name)
{
addItemToMap(m_namedItemCounts, name);
}
void HTMLDocument::removeNamedItem(const AtomicString &name)
{
removeItemFromMap(m_namedItemCounts, name);
}
void HTMLDocument::addExtraNamedItem(const AtomicString& name)
{
addItemToMap(m_extraNamedItemCounts, name);
}
void HTMLDocument::removeExtraNamedItem(const AtomicString& name)
{
removeItemFromMap(m_extraNamedItemCounts, name);
}
void HTMLDocument::determineParseMode()
{
// FIXME: It's terrible that this code runs separately and isn't just built in to the
// HTML tokenizer/parser.
// This code more or less mimics Mozilla's implementation (specifically the
// doctype parsing implemented by David Baron in Mozilla's nsParser.cpp).
//
// There are three possible parse modes:
// COMPAT - quirks mode emulates WinIE and NS4. CSS parsing is also relaxed in this mode, e.g., unit types can
// be omitted from numbers.
// ALMOST STRICT - This mode is identical to strict mode except for its treatment of line-height in the inline box model. For
// now (until the inline box model is re-written), this mode is identical to STANDARDS mode.
// STRICT - no quirks apply. Web pages will obey the specifications to the letter.
bool wasInCompatMode = inCompatMode();
DocumentType* docType = doctype();
if (!docType || !equalIgnoringCase(docType->name(), "html"))
// No doctype found at all or the doctype is not HTML. Default to quirks mode and Html4.
setParseMode(Compat);
else if (!doctype()->systemId().isEmpty() && equalIgnoringCase(docType->systemId(), "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd"))
// Assume quirks mode for this particular system ID. In the HTML5 spec, this is the only
// system identifier that is examined.
setParseMode(Compat);
else if (docType->publicId().isEmpty())
// A doctype without a public ID means use strict mode.
setParseMode(Strict);
else {
// We have to check a list of public IDs to see what we
// should do.
String lowerPubID = docType->publicId().lower();
CString pubIDStr = lowerPubID.latin1();
#ifdef ANDROID_META_SUPPORT
if ((!frame()->tree() || !frame()->tree()->parent()) &&
strstr(pubIDStr.data(), "-//wapforum//dtd xhtml mobile 1.") == pubIDStr.data()) {
// fit mobile sites directly in the screen
frame()->settings()->setMetadataSettings("width", "device-width");
}
#endif
// Look up the entry in our gperf-generated table.
const PubIDInfo* doctypeEntry = findDoctypeEntry(pubIDStr.data(), pubIDStr.length());
if (!doctypeEntry)
// The DOCTYPE is not in the list. Assume strict mode.
setParseMode(Strict);
else {
switch (docType->systemId().isEmpty() ?
doctypeEntry->mode_if_no_sysid :
doctypeEntry->mode_if_sysid) {
case PubIDInfo::eQuirks3:
case PubIDInfo::eQuirks:
setParseMode(Compat);
break;
case PubIDInfo::eAlmostStandards:
setParseMode(AlmostStrict);
break;
default:
ASSERT(false);
}
}
}
if (inCompatMode() != wasInCompatMode)
updateStyleSelector();
}
void HTMLDocument::clear()
{
// FIXME: This does nothing, and that seems unlikely to be correct.
// We've long had a comment saying that IE doesn't support this.
// But I do see it in the documentation for Mozilla.
}
}