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