1/*
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * (C) 2002-2003 Dirk Mueller (mueller@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
32namespace WebCore {
33
34CSSStyleRule::CSSStyleRule(CSSStyleSheet* parent, int sourceLine)
35    : CSSRule(parent)
36    , m_sourceLine(sourceLine)
37{
38}
39
40CSSStyleRule::~CSSStyleRule()
41{
42    if (m_style)
43        m_style->setParent(0);
44}
45
46String 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
57void 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
87String CSSStyleRule::cssText() const
88{
89    String result = selectorText();
90
91    result += " { ";
92    result += m_style->cssText();
93    result += "}";
94
95    return result;
96}
97
98bool CSSStyleRule::parseString(const String& /*string*/, bool /*strict*/)
99{
100    // FIXME
101    return false;
102}
103
104void CSSStyleRule::setDeclaration(PassRefPtr<CSSMutableStyleDeclaration> style)
105{
106    m_style = style;
107}
108
109void CSSStyleRule::addSubresourceStyleURLs(ListHashSet<KURL>& urls)
110{
111    if (m_style)
112        m_style->addSubresourceStyleURLs(urls);
113}
114
115} // namespace WebCore
116