1/*
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#ifndef MediaList_h
22#define MediaList_h
23
24#include "StyleBase.h"
25#include <wtf/Forward.h>
26#include <wtf/PassRefPtr.h>
27#include <wtf/Vector.h>
28
29namespace WebCore {
30
31class CSSImportRule;
32class CSSStyleSheet;
33class MediaQuery;
34
35typedef int ExceptionCode;
36
37class MediaList : public StyleBase {
38public:
39    static PassRefPtr<MediaList> create()
40    {
41        return adoptRef(new MediaList(0, false));
42    }
43    static PassRefPtr<MediaList> create(CSSImportRule* parentRule, const String& media)
44    {
45        return adoptRef(new MediaList(parentRule, media));
46    }
47    static PassRefPtr<MediaList> create(CSSStyleSheet* parentSheet, const String& media)
48    {
49        return adoptRef(new MediaList(parentSheet, media, false));
50    }
51
52    static PassRefPtr<MediaList> createAllowingDescriptionSyntax(const String& mediaQueryOrDescription)
53    {
54        return adoptRef(new MediaList(0, mediaQueryOrDescription, true));
55    }
56    static PassRefPtr<MediaList> createAllowingDescriptionSyntax(CSSStyleSheet* parentSheet, const String& mediaQueryOrDescription)
57    {
58        return adoptRef(new MediaList(parentSheet, mediaQueryOrDescription, true));
59    }
60
61    static PassRefPtr<MediaList> create(const String& media, bool allowDescriptionSyntax)
62    {
63        return adoptRef(new MediaList(0, media, allowDescriptionSyntax));
64    }
65
66    virtual ~MediaList();
67
68    unsigned length() const { return m_queries.size(); }
69    String item(unsigned index) const;
70    void deleteMedium(const String& oldMedium, ExceptionCode&);
71    void appendMedium(const String& newMedium, ExceptionCode&);
72
73    String mediaText() const;
74    void setMediaText(const String&, ExceptionCode&xo);
75
76    void appendMediaQuery(PassOwnPtr<MediaQuery>);
77    const Vector<MediaQuery*>& mediaQueries() const { return m_queries; }
78
79private:
80    MediaList(CSSStyleSheet* parentSheet, bool fallbackToDescription);
81    MediaList(CSSStyleSheet* parentSheet, const String& media, bool fallbackToDescription);
82    MediaList(CSSImportRule* parentRule, const String& media);
83
84    void notifyChanged();
85
86    Vector<MediaQuery*> m_queries;
87    bool m_fallback; // true if failed media query parsing should fallback to media description parsing
88};
89
90} // namespace
91
92#endif
93