1/*
2 * Copyright (C) 2011 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#include "config.h"
27#include "core/css/CSSFilterValue.h"
28
29#include "wtf/text/StringBuilder.h"
30
31namespace blink {
32
33CSSFilterValue::CSSFilterValue(FilterOperationType operationType)
34    : CSSValueList(CSSFilterClass, CommaSeparator)
35    , m_type(operationType)
36{
37}
38
39String CSSFilterValue::customCSSText() const
40{
41    StringBuilder result;
42    switch (m_type) {
43    case ReferenceFilterOperation:
44        result.appendLiteral("url(");
45        break;
46    case GrayscaleFilterOperation:
47        result.appendLiteral("grayscale(");
48        break;
49    case SepiaFilterOperation:
50        result.appendLiteral("sepia(");
51        break;
52    case SaturateFilterOperation:
53        result.appendLiteral("saturate(");
54        break;
55    case HueRotateFilterOperation:
56        result.appendLiteral("hue-rotate(");
57        break;
58    case InvertFilterOperation:
59        result.appendLiteral("invert(");
60        break;
61    case OpacityFilterOperation:
62        result.appendLiteral("opacity(");
63        break;
64    case BrightnessFilterOperation:
65        result.appendLiteral("brightness(");
66        break;
67    case ContrastFilterOperation:
68        result.appendLiteral("contrast(");
69        break;
70    case BlurFilterOperation:
71        result.appendLiteral("blur(");
72        break;
73    case DropShadowFilterOperation:
74        result.appendLiteral("drop-shadow(");
75        break;
76    default:
77        break;
78    }
79
80    result.append(CSSValueList::customCSSText());
81    result.append(')');
82    return result.toString();
83}
84
85CSSFilterValue::CSSFilterValue(const CSSFilterValue& cloneFrom)
86    : CSSValueList(cloneFrom)
87    , m_type(cloneFrom.m_type)
88{
89}
90
91PassRefPtrWillBeRawPtr<CSSFilterValue> CSSFilterValue::cloneForCSSOM() const
92{
93    return adoptRefWillBeNoop(new CSSFilterValue(*this));
94}
95
96bool CSSFilterValue::equals(const CSSFilterValue& other) const
97{
98    return m_type == other.m_type && CSSValueList::equals(other);
99}
100
101}
102
103