1/*
2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
3 *
4 *  This library is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU Library General Public
6 *  License as published by the Free Software Foundation; either
7 *  version 2 of the License, or (at your option) any later version.
8 *
9 *  This library is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 *  Library General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Library General Public License
15 *  along with this library; see the file COPYING.LIB.  If not, write to
16 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 *  Boston, MA 02110-1301, USA.
18 */
19
20#ifndef MediaQueryListListener_h
21#define MediaQueryListListener_h
22
23#include "ScriptState.h"
24#include "ScriptValue.h"
25#include <wtf/RefCounted.h>
26#include <wtf/text/WTFString.h>
27
28namespace WebCore {
29
30class MediaQueryList;
31
32// See http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface
33
34class MediaQueryListListener : public RefCounted<MediaQueryListListener> {
35public:
36    static PassRefPtr<MediaQueryListListener> create(const ScriptValue& value)
37    {
38        if (!value.isFunction())
39            return 0;
40        return adoptRef(new MediaQueryListListener(value));
41    }
42    void queryChanged(ScriptState*, MediaQueryList*);
43
44    bool operator==(const MediaQueryListListener& other) const { return m_value == other.m_value; }
45
46private:
47    MediaQueryListListener(const ScriptValue& value) : m_value(value) { }
48
49    ScriptValue m_value;
50};
51
52}
53
54#endif // MediaQueryListListener_h
55