1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * Copyright (C) 2013, 2014 Igalia S.L.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include "config.h"
33#include "CSSGridTemplateAreasValue.h"
34
35#if ENABLE(CSS_GRID_LAYOUT)
36
37#include "GridCoordinate.h"
38#include <wtf/text/StringBuilder.h>
39
40namespace WebCore {
41
42CSSGridTemplateAreasValue::CSSGridTemplateAreasValue(const NamedGridAreaMap& gridAreaMap, size_t rowCount, size_t columnCount)
43    : CSSValue(GridTemplateAreasClass)
44    , m_gridAreaMap(gridAreaMap)
45    , m_rowCount(rowCount)
46    , m_columnCount(columnCount)
47{
48    ASSERT(m_rowCount);
49    ASSERT(m_columnCount);
50}
51
52static String stringForPosition(const NamedGridAreaMap& gridAreaMap, size_t row, size_t column)
53{
54    Vector<String> candidates;
55
56    for (const auto& it : gridAreaMap) {
57        const GridCoordinate& coordinate = it.value;
58        if (row >= coordinate.rows.resolvedInitialPosition.toInt() && row <= coordinate.rows.resolvedFinalPosition.toInt())
59            candidates.append(it.key);
60    }
61
62    for (const auto& it : gridAreaMap) {
63        const GridCoordinate& coordinate = it.value;
64        if (column >= coordinate.columns.resolvedInitialPosition.toInt() && column <= coordinate.columns.resolvedFinalPosition.toInt() && candidates.contains(it.key))
65            return it.key;
66    }
67
68    return ".";
69}
70
71String CSSGridTemplateAreasValue::customCSSText() const
72{
73    StringBuilder builder;
74    for (size_t row = 0; row < m_rowCount; ++row) {
75        builder.append('\"');
76        for (size_t column = 0; column < m_columnCount; ++column) {
77            builder.append(stringForPosition(m_gridAreaMap, row, column));
78            if (column != m_columnCount - 1)
79                builder.append(' ');
80        }
81        builder.append('\"');
82        if (row != m_rowCount - 1)
83            builder.append(' ');
84    }
85    return builder.toString();
86}
87
88} // namespace WebCore
89
90#endif /* ENABLE(CSS_GRID_LAYOUT) */
91