1/*
2 * Copyright (C) 2013 Google 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "core/css/CSSVariablesMap.h"
31
32#include "bindings/v8/ExceptionState.h"
33#include "core/css/CSSStyleDeclaration.h"
34
35namespace WebCore {
36
37unsigned CSSVariablesMap::size() const
38{
39    if (m_styleDeclaration)
40        return m_styleDeclaration->variableCount();
41    return 0;
42}
43
44String CSSVariablesMap::get(const AtomicString& name) const
45{
46    if (m_styleDeclaration)
47        return m_styleDeclaration->variableValue(name);
48    return String();
49}
50
51bool CSSVariablesMap::has(const AtomicString& name) const
52{
53    if (m_styleDeclaration)
54        return !get(name).isEmpty();
55    return false;
56}
57
58void CSSVariablesMap::set(const AtomicString& name, const String& value, ExceptionState& es) const
59{
60    if (m_styleDeclaration)
61        m_styleDeclaration->setVariableValue(name, value, es);
62}
63
64bool CSSVariablesMap::remove(const AtomicString& name) const
65{
66    if (m_styleDeclaration)
67        return m_styleDeclaration->removeVariable(name);
68    return false;
69}
70
71void CSSVariablesMap::clear(ExceptionState& es) const
72{
73    if (m_styleDeclaration)
74        return m_styleDeclaration->clearVariables(es);
75}
76
77} // namespace WebCore
78