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      1 /**
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2001 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2003 Apple Computer, Inc.
      6  *           (C) 2007 Rob Buis (buis (at) kde.org)
      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 "HTMLStyleElement.h"
     26 
     27 #include "Document.h"
     28 #include "HTMLNames.h"
     29 #include "MappedAttribute.h"
     30 
     31 namespace WebCore {
     32 
     33 using namespace HTMLNames;
     34 
     35 HTMLStyleElement::HTMLStyleElement(const QualifiedName& tagName, Document* doc, bool createdByParser)
     36     : HTMLElement(tagName, doc)
     37     , m_loading(false)
     38     , m_createdByParser(createdByParser)
     39 {
     40     ASSERT(hasTagName(styleTag));
     41 }
     42 
     43 // other stuff...
     44 void HTMLStyleElement::parseMappedAttribute(MappedAttribute *attr)
     45 {
     46     if (attr->name() == mediaAttr)
     47         m_media = attr->value().string().lower();
     48     else if (attr->name() == titleAttr && m_sheet)
     49         m_sheet->setTitle(attr->value());
     50      else
     51         HTMLElement::parseMappedAttribute(attr);
     52 }
     53 
     54 void HTMLStyleElement::finishParsingChildren()
     55 {
     56     StyleElement::process(this);
     57     StyleElement::sheet(this);
     58     m_createdByParser = false;
     59     HTMLElement::finishParsingChildren();
     60 }
     61 
     62 void HTMLStyleElement::insertedIntoDocument()
     63 {
     64     HTMLElement::insertedIntoDocument();
     65 
     66     document()->addStyleSheetCandidateNode(this, m_createdByParser);
     67     if (!m_createdByParser)
     68         StyleElement::insertedIntoDocument(document(), this);
     69 }
     70 
     71 void HTMLStyleElement::removedFromDocument()
     72 {
     73     HTMLElement::removedFromDocument();
     74     document()->removeStyleSheetCandidateNode(this);
     75     StyleElement::removedFromDocument(document());
     76 }
     77 
     78 void HTMLStyleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
     79 {
     80     if (!changedByParser)
     81         StyleElement::process(this);
     82     HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
     83 }
     84 
     85 StyleSheet* HTMLStyleElement::sheet()
     86 {
     87     return StyleElement::sheet(this);
     88 }
     89 
     90 bool HTMLStyleElement::isLoading() const
     91 {
     92     if (m_loading)
     93         return true;
     94     if (!m_sheet)
     95         return false;
     96     return static_cast<CSSStyleSheet *>(m_sheet.get())->isLoading();
     97 }
     98 
     99 bool HTMLStyleElement::sheetLoaded()
    100 {
    101     if (!isLoading()) {
    102         document()->removePendingSheet();
    103         return true;
    104     }
    105     return false;
    106 }
    107 
    108 bool HTMLStyleElement::disabled() const
    109 {
    110     return !getAttribute(disabledAttr).isNull();
    111 }
    112 
    113 void HTMLStyleElement::setDisabled(bool disabled)
    114 {
    115     setAttribute(disabledAttr, disabled ? "" : 0);
    116 }
    117 
    118 const AtomicString& HTMLStyleElement::media() const
    119 {
    120     return getAttribute(mediaAttr);
    121 }
    122 
    123 void HTMLStyleElement::setMedia(const AtomicString &value)
    124 {
    125     setAttribute(mediaAttr, value);
    126 }
    127 
    128 const AtomicString& HTMLStyleElement::type() const
    129 {
    130     return getAttribute(typeAttr);
    131 }
    132 
    133 void HTMLStyleElement::setType(const AtomicString &value)
    134 {
    135     setAttribute(typeAttr, value);
    136 }
    137 
    138 void HTMLStyleElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
    139 {
    140     HTMLElement::addSubresourceAttributeURLs(urls);
    141 
    142     if (StyleSheet* styleSheet = const_cast<HTMLStyleElement*>(this)->sheet())
    143         styleSheet->addSubresourceStyleURLs(urls);
    144 }
    145 
    146 }
    147