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      1 /*
      2  * (C) 1999-2003 Lars Knoll (knoll (at) kde.org)
      3  * (C) 2002-2003 Dirk Mueller (mueller (at) kde.org)
      4  * Copyright (C) 2002, 2005, 2006, 2008 Apple Inc. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  */
     21 
     22 #include "config.h"
     23 #include "CSSStyleRule.h"
     24 
     25 #include "CSSMutableStyleDeclaration.h"
     26 #include "CSSParser.h"
     27 #include "CSSSelector.h"
     28 #include "CSSStyleSheet.h"
     29 #include "Document.h"
     30 #include "StyleSheet.h"
     31 
     32 namespace WebCore {
     33 
     34 CSSStyleRule::CSSStyleRule(CSSStyleSheet* parent, int sourceLine)
     35     : CSSRule(parent)
     36     , m_sourceLine(sourceLine)
     37 {
     38 }
     39 
     40 CSSStyleRule::~CSSStyleRule()
     41 {
     42     if (m_style)
     43         m_style->setParent(0);
     44 }
     45 
     46 String CSSStyleRule::selectorText() const
     47 {
     48     String str;
     49     for (CSSSelector* s = selectorList().first(); s; s = CSSSelectorList::next(s)) {
     50         if (s != selectorList().first())
     51             str += ", ";
     52         str += s->selectorText();
     53     }
     54     return str;
     55 }
     56 
     57 void CSSStyleRule::setSelectorText(const String& selectorText)
     58 {
     59     Document* doc = 0;
     60     StyleSheet* ownerStyleSheet = m_style->stylesheet();
     61     if (ownerStyleSheet) {
     62         if (ownerStyleSheet->isCSSStyleSheet())
     63             doc = static_cast<CSSStyleSheet*>(ownerStyleSheet)->document();
     64         if (!doc)
     65             doc = ownerStyleSheet->ownerNode() ? ownerStyleSheet->ownerNode()->document() : 0;
     66     }
     67     if (!doc)
     68         doc = m_style->node() ? m_style->node()->document() : 0;
     69 
     70     if (!doc)
     71         return;
     72 
     73     CSSParser p;
     74     CSSSelectorList selectorList;
     75     p.parseSelector(selectorText, doc, selectorList);
     76     if (!selectorList.first())
     77         return;
     78 
     79     String oldSelectorText = this->selectorText();
     80     m_selectorList.adopt(selectorList);
     81     if (this->selectorText() == oldSelectorText)
     82         return;
     83 
     84     doc->styleSelectorChanged(DeferRecalcStyle);
     85 }
     86 
     87 String CSSStyleRule::cssText() const
     88 {
     89     String result = selectorText();
     90 
     91     result += " { ";
     92     result += m_style->cssText();
     93     result += "}";
     94 
     95     return result;
     96 }
     97 
     98 bool CSSStyleRule::parseString(const String& /*string*/, bool /*strict*/)
     99 {
    100     // FIXME
    101     return false;
    102 }
    103 
    104 void CSSStyleRule::setDeclaration(PassRefPtr<CSSMutableStyleDeclaration> style)
    105 {
    106     m_style = style;
    107 }
    108 
    109 void CSSStyleRule::addSubresourceStyleURLs(ListHashSet<KURL>& urls)
    110 {
    111     if (m_style)
    112         m_style->addSubresourceStyleURLs(urls);
    113 }
    114 
    115 } // namespace WebCore
    116