root/Source/core/html/HTMLDocument.cpp

DEFINITIONS

1. dir
2. setDir
3. designMode
4. setDesignMode
5. htmlBodyElement
6. bodyAttributeValue
7. setBodyAttribute
8. bgColor
9. setBgColor
10. fgColor
11. setFgColor
12. alinkColor
13. setAlinkColor
14. linkColor
15. setLinkColor
16. vlinkColor
17. setVlinkColor
18. cloneDocumentWithoutChildren
19. addItemToMap
20. removeItemFromMap
21. addNamedItem
22. removeNamedItem
23. addExtraNamedItem
24. removeExtraNamedItem
25. addLocalNameToSet
26. createHtmlCaseInsensitiveAttributesSet
27. isCaseSensitiveAttribute
28. write
29. writeln

/*
 * 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 "core/html/HTMLDocument.h"

#include "HTMLNames.h"
#include "bindings/v8/ScriptController.h"
#include "core/frame/DOMWindow.h"
#include "core/frame/FrameView.h"
#include "core/frame/LocalFrame.h"
#include "core/html/HTMLBodyElement.h"
#include "core/page/FocusController.h"
#include "core/page/FrameTree.h"
#include "core/page/Page.h"
#include "wtf/text/StringBuilder.h"

namespace WebCore {

using namespace HTMLNames;

HTMLDocument::HTMLDocument(const DocumentInit& initializer, DocumentClassFlags extendedDocumentClasses)
    : Document(initializer, HTMLDocumentClass | extendedDocumentClasses)
{
    ScriptWrappable::init(this);
    clearXMLVersion();
}

HTMLDocument::~HTMLDocument()
{
}

const AtomicString& HTMLDocument::dir()
{
    HTMLElement* b = body();
    if (!b)
        return nullAtom;
    return b->getAttribute(dirAttr);
}

void HTMLDocument::setDir(const AtomicString& value)
{
    HTMLElement* b = body();
    if (b)
        b->setAttribute(dirAttr, 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);
}

HTMLBodyElement* HTMLDocument::htmlBodyElement() const
{
    HTMLElement* body = this->body();
    return isHTMLBodyElement(body) ? toHTMLBodyElement(body) : 0;
}

const AtomicString& HTMLDocument::bodyAttributeValue(const QualifiedName& name) const
{
    if (HTMLBodyElement* body = htmlBodyElement())
        return body->fastGetAttribute(name);
    return nullAtom;
}

void HTMLDocument::setBodyAttribute(const QualifiedName& name, const AtomicString& value)
{
    if (HTMLBodyElement* body = htmlBodyElement()) {
        // FIXME: This check is apparently for benchmarks that set the same value repeatedly.
        // It's not clear what benchmarks though, it's also not clear why we don't avoid
        // causing a style recalc when setting the same value to a presentational attribute
        // in the common case.
        if (body->fastGetAttribute(name) != value)
            body->setAttribute(name, value);
    }
}

const AtomicString& HTMLDocument::bgColor() const
{
    return bodyAttributeValue(bgcolorAttr);
}

void HTMLDocument::setBgColor(const AtomicString& value)
{
    setBodyAttribute(bgcolorAttr, value);
}

const AtomicString& HTMLDocument::fgColor() const
{
    return bodyAttributeValue(textAttr);
}

void HTMLDocument::setFgColor(const AtomicString& value)
{
    setBodyAttribute(textAttr, value);
}

const AtomicString& HTMLDocument::alinkColor() const
{
    return bodyAttributeValue(alinkAttr);
}

void HTMLDocument::setAlinkColor(const AtomicString& value)
{
    setBodyAttribute(alinkAttr, value);
}

const AtomicString& HTMLDocument::linkColor() const
{
    return bodyAttributeValue(linkAttr);
}

void HTMLDocument::setLinkColor(const AtomicString& value)
{
    setBodyAttribute(linkAttr, value);
}

const AtomicString& HTMLDocument::vlinkColor() const
{
    return bodyAttributeValue(vlinkAttr);
}

void HTMLDocument::setVlinkColor(const AtomicString& value)
{
    setBodyAttribute(vlinkAttr, value);
}

PassRefPtr<Document> HTMLDocument::cloneDocumentWithoutChildren()
{
    return create(DocumentInit(url()).withRegistrationContext(registrationContext()));
}

// --------------------------------------------------------------------------
// not part of the DOM
// --------------------------------------------------------------------------

void HTMLDocument::addItemToMap(HashCountedSet<AtomicString>& map, const AtomicString& name)
{
    if (name.isEmpty())
        return;
    map.add(name);
    if (LocalFrame* f = frame())
        f->script().namedItemAdded(this, name);
}

void HTMLDocument::removeItemFromMap(HashCountedSet<AtomicString>& map, const AtomicString& name)
{
    if (name.isEmpty())
        return;
    map.remove(name);
    if (LocalFrame* f = frame())
        f->script().namedItemRemoved(this, name);
}

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);
}

static void addLocalNameToSet(HashSet<StringImpl*>* set, const QualifiedName& qName)
{
    set->add(qName.localName().impl());
}

static HashSet<StringImpl*>* createHtmlCaseInsensitiveAttributesSet()
{
    // This is the list of attributes in HTML 4.01 with values marked as "[CI]" or case-insensitive
    // Mozilla treats all other values as case-sensitive, thus so do we.
    HashSet<StringImpl*>* attrSet = new HashSet<StringImpl*>;

    addLocalNameToSet(attrSet, accept_charsetAttr);
    addLocalNameToSet(attrSet, acceptAttr);
    addLocalNameToSet(attrSet, alignAttr);
    addLocalNameToSet(attrSet, alinkAttr);
    addLocalNameToSet(attrSet, axisAttr);
    addLocalNameToSet(attrSet, bgcolorAttr);
    addLocalNameToSet(attrSet, charsetAttr);
    addLocalNameToSet(attrSet, checkedAttr);
    addLocalNameToSet(attrSet, clearAttr);
    addLocalNameToSet(attrSet, codetypeAttr);
    addLocalNameToSet(attrSet, colorAttr);
    addLocalNameToSet(attrSet, compactAttr);
    addLocalNameToSet(attrSet, declareAttr);
    addLocalNameToSet(attrSet, deferAttr);
    addLocalNameToSet(attrSet, dirAttr);
    addLocalNameToSet(attrSet, disabledAttr);
    addLocalNameToSet(attrSet, enctypeAttr);
    addLocalNameToSet(attrSet, faceAttr);
    addLocalNameToSet(attrSet, frameAttr);
    addLocalNameToSet(attrSet, hreflangAttr);
    addLocalNameToSet(attrSet, http_equivAttr);
    addLocalNameToSet(attrSet, langAttr);
    addLocalNameToSet(attrSet, languageAttr);
    addLocalNameToSet(attrSet, linkAttr);
    addLocalNameToSet(attrSet, mediaAttr);
    addLocalNameToSet(attrSet, methodAttr);
    addLocalNameToSet(attrSet, multipleAttr);
    addLocalNameToSet(attrSet, nohrefAttr);
    addLocalNameToSet(attrSet, noresizeAttr);
    addLocalNameToSet(attrSet, noshadeAttr);
    addLocalNameToSet(attrSet, nowrapAttr);
    addLocalNameToSet(attrSet, readonlyAttr);
    addLocalNameToSet(attrSet, relAttr);
    addLocalNameToSet(attrSet, revAttr);
    addLocalNameToSet(attrSet, rulesAttr);
    addLocalNameToSet(attrSet, scopeAttr);
    addLocalNameToSet(attrSet, scrollingAttr);
    addLocalNameToSet(attrSet, selectedAttr);
    addLocalNameToSet(attrSet, shapeAttr);
    addLocalNameToSet(attrSet, targetAttr);
    addLocalNameToSet(attrSet, textAttr);
    addLocalNameToSet(attrSet, typeAttr);
    addLocalNameToSet(attrSet, valignAttr);
    addLocalNameToSet(attrSet, valuetypeAttr);
    addLocalNameToSet(attrSet, vlinkAttr);

    return attrSet;
}

bool HTMLDocument::isCaseSensitiveAttribute(const QualifiedName& attributeName)
{
    static HashSet<StringImpl*>* htmlCaseInsensitiveAttributesSet = createHtmlCaseInsensitiveAttributesSet();
    bool isPossibleHTMLAttr = !attributeName.hasPrefix() && (attributeName.namespaceURI() == nullAtom);
    return !isPossibleHTMLAttr || !htmlCaseInsensitiveAttributesSet->contains(attributeName.localName().impl());
}

void HTMLDocument::write(DOMWindow* callingWindow, const Vector<String>& text)
{
    ASSERT(callingWindow);
    StringBuilder builder;
    for (size_t i = 0; i < text.size(); ++i)
        builder.append(text[i]);
    write(builder.toString(), callingWindow->document());
}

void HTMLDocument::writeln(DOMWindow* callingWindow, const Vector<String>& text)
{
    ASSERT(callingWindow);
    StringBuilder builder;
    for (size_t i = 0; i < text.size(); ++i)
        builder.append(text[i]);
    writeln(builder.toString(), callingWindow->document());
}

}