1/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB.  If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25#ifndef BorderData_h
26#define BorderData_h
27
28#include "core/rendering/style/BorderValue.h"
29#include "core/rendering/style/NinePieceImage.h"
30#include "platform/LengthSize.h"
31#include "platform/geometry/IntRect.h"
32
33namespace blink {
34
35class BorderData {
36friend class RenderStyle;
37public:
38    BorderData() : m_topLeft(Length(0, Fixed), Length(0, Fixed))
39                 , m_topRight(Length(0, Fixed), Length(0, Fixed))
40                 , m_bottomLeft(Length(0, Fixed), Length(0, Fixed))
41                 , m_bottomRight(Length(0, Fixed), Length(0, Fixed))
42    {
43    }
44    bool hasBorder() const
45    {
46        bool haveImage = m_image.hasImage();
47        return m_left.nonZero(!haveImage) || m_right.nonZero(!haveImage) || m_top.nonZero(!haveImage) || m_bottom.nonZero(!haveImage);
48    }
49
50    bool hasBorderRadius() const
51    {
52        if (!m_topLeft.width().isZero())
53            return true;
54        if (!m_topRight.width().isZero())
55            return true;
56        if (!m_bottomLeft.width().isZero())
57            return true;
58        if (!m_bottomRight.width().isZero())
59            return true;
60        return false;
61    }
62
63    unsigned borderLeftWidth() const
64    {
65        if (!m_image.hasImage() && (m_left.style() == BNONE || m_left.style() == BHIDDEN))
66            return 0;
67        return m_left.width();
68    }
69
70    unsigned borderRightWidth() const
71    {
72        if (!m_image.hasImage() && (m_right.style() == BNONE || m_right.style() == BHIDDEN))
73            return 0;
74        return m_right.width();
75    }
76
77    unsigned borderTopWidth() const
78    {
79        if (!m_image.hasImage() && (m_top.style() == BNONE || m_top.style() == BHIDDEN))
80            return 0;
81        return m_top.width();
82    }
83
84    unsigned borderBottomWidth() const
85    {
86        if (!m_image.hasImage() && (m_bottom.style() == BNONE || m_bottom.style() == BHIDDEN))
87            return 0;
88        return m_bottom.width();
89    }
90
91    bool operator==(const BorderData& o) const
92    {
93        return m_left == o.m_left && m_right == o.m_right && m_top == o.m_top && m_bottom == o.m_bottom && m_image == o.m_image
94               && m_topLeft == o.m_topLeft && m_topRight == o.m_topRight && m_bottomLeft == o.m_bottomLeft && m_bottomRight == o.m_bottomRight;
95    }
96
97    bool visuallyEqual(const BorderData& o) const
98    {
99        return m_left.visuallyEqual(o.m_left)
100            && m_right.visuallyEqual(o.m_right)
101            && m_top.visuallyEqual(o.m_top)
102            && m_bottom.visuallyEqual(o.m_bottom)
103            && m_image == o.m_image
104            && m_topLeft == o.m_topLeft
105            && m_topRight == o.m_topRight
106            && m_bottomLeft == o.m_bottomLeft
107            && m_bottomRight == o.m_bottomRight;
108    }
109
110    bool operator!=(const BorderData& o) const
111    {
112        return !(*this == o);
113    }
114
115    const BorderValue& left() const { return m_left; }
116    const BorderValue& right() const { return m_right; }
117    const BorderValue& top() const { return m_top; }
118    const BorderValue& bottom() const { return m_bottom; }
119
120    const NinePieceImage& image() const { return m_image; }
121
122    const LengthSize& topLeft() const { return m_topLeft; }
123    const LengthSize& topRight() const { return m_topRight; }
124    const LengthSize& bottomLeft() const { return m_bottomLeft; }
125    const LengthSize& bottomRight() const { return m_bottomRight; }
126
127private:
128    BorderValue m_left;
129    BorderValue m_right;
130    BorderValue m_top;
131    BorderValue m_bottom;
132
133    NinePieceImage m_image;
134
135    LengthSize m_topLeft;
136    LengthSize m_topRight;
137    LengthSize m_bottomLeft;
138    LengthSize m_bottomRight;
139};
140
141} // namespace blink
142
143#endif // BorderData_h
144