1/*
2 * Copyright (C) 2008 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef CSSUnicodeRangeValue_h
27#define CSSUnicodeRangeValue_h
28
29#include "core/css/CSSValue.h"
30#include "wtf/PassRefPtr.h"
31
32namespace blink {
33
34class CSSUnicodeRangeValue : public CSSValue {
35public:
36    static PassRefPtrWillBeRawPtr<CSSUnicodeRangeValue> create(UChar32 from, UChar32 to)
37    {
38        return adoptRefWillBeNoop(new CSSUnicodeRangeValue(from, to));
39    }
40
41    UChar32 from() const { return m_from; }
42    UChar32 to() const { return m_to; }
43
44    String customCSSText() const;
45
46    bool equals(const CSSUnicodeRangeValue&) const;
47
48    void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); }
49
50private:
51    CSSUnicodeRangeValue(UChar32 from, UChar32 to)
52        : CSSValue(UnicodeRangeClass)
53        , m_from(from)
54        , m_to(to)
55    {
56    }
57
58    UChar32 m_from;
59    UChar32 m_to;
60};
61
62DEFINE_CSS_VALUE_TYPE_CASTS(CSSUnicodeRangeValue, isUnicodeRangeValue());
63
64} // namespace blink
65
66#endif // CSSUnicodeRangeValue_h
67