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, 2009, 2010, 2012, 2013 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 "CSSImportRule.h"
24
25#include "CSSStyleSheet.h"
26#include "CachedCSSStyleSheet.h"
27#include "CachedResourceLoader.h"
28#include "Document.h"
29#include "MediaList.h"
30#include "SecurityOrigin.h"
31#include "StyleRuleImport.h"
32#include "StyleSheetContents.h"
33#include <wtf/text/StringBuilder.h>
34
35namespace WebCore {
36
37CSSImportRule::CSSImportRule(StyleRuleImport* importRule, CSSStyleSheet* parent)
38    : CSSRule(parent)
39    , m_importRule(importRule)
40{
41}
42
43CSSImportRule::~CSSImportRule()
44{
45    if (m_styleSheetCSSOMWrapper)
46        m_styleSheetCSSOMWrapper->clearOwnerRule();
47    if (m_mediaCSSOMWrapper)
48        m_mediaCSSOMWrapper->clearParentRule();
49}
50
51String CSSImportRule::href() const
52{
53    return m_importRule->href();
54}
55
56MediaList* CSSImportRule::media() const
57{
58    if (!m_mediaCSSOMWrapper)
59        m_mediaCSSOMWrapper = MediaList::create(m_importRule->mediaQueries(), const_cast<CSSImportRule*>(this));
60    return m_mediaCSSOMWrapper.get();
61}
62
63String CSSImportRule::cssText() const
64{
65    StringBuilder result;
66    result.appendLiteral("@import url(\"");
67    result.append(m_importRule->href());
68    result.appendLiteral("\")");
69
70    if (m_importRule->mediaQueries()) {
71        String mediaText = m_importRule->mediaQueries()->mediaText();
72        if (!mediaText.isEmpty()) {
73            result.append(' ');
74            result.append(mediaText);
75        }
76    }
77    result.append(';');
78
79    return result.toString();
80}
81
82CSSStyleSheet* CSSImportRule::styleSheet() const
83{
84    if (!m_importRule->styleSheet())
85        return 0;
86
87    if (!m_styleSheetCSSOMWrapper)
88        m_styleSheetCSSOMWrapper = CSSStyleSheet::create(m_importRule->styleSheet(), const_cast<CSSImportRule*>(this));
89    return m_styleSheetCSSOMWrapper.get();
90}
91
92void CSSImportRule::reattach(StyleRuleBase*)
93{
94    // FIXME: Implement when enabling caching for stylesheets with import rules.
95    ASSERT_NOT_REACHED();
96}
97
98} // namespace WebCore
99