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      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 
     36 namespace blink {
     37 
     38 CSSGridTemplateAreasValue::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 
     48 static 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 
     69 String 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