1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
* Copyright (C) 2013 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GridCoordinate_h
#define GridCoordinate_h
#include <wtf/HashMap.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
// A span in a single direction (either rows or columns). Note that |initialPositionIndex|
// and |finalPositionIndex| are grid areas' indexes, NOT grid lines'. Iterating over the
// span should include both |initialPositionIndex| and |finalPositionIndex| to be correct.
class GridSpan {
public:
static PassOwnPtr<GridSpan> create(size_t initialPosition, size_t finalPosition)
{
return adoptPtr(new GridSpan(initialPosition, finalPosition));
}
GridSpan(size_t initialPosition, size_t finalPosition)
: initialPositionIndex(initialPosition)
, finalPositionIndex(finalPosition)
{
ASSERT(initialPositionIndex <= finalPositionIndex);
}
bool operator==(const GridSpan& o) const
{
return initialPositionIndex == o.initialPositionIndex && finalPositionIndex == o.finalPositionIndex;
}
size_t initialPositionIndex;
size_t finalPositionIndex;
};
// This represents a grid area that spans in both rows' and columns' direction.
class GridCoordinate {
public:
// HashMap requires a default constuctor.
GridCoordinate()
: columns(0, 0)
, rows(0, 0)
{
}
GridCoordinate(const GridSpan& r, const GridSpan& c)
: columns(c)
, rows(r)
{
}
bool operator==(const GridCoordinate& o) const
{
return columns == o.columns && rows == o.rows;
}
bool operator!=(const GridCoordinate& o) const
{
return !(*this == o);
}
GridSpan columns;
GridSpan rows;
};
typedef HashMap<String, GridCoordinate> NamedGridAreaMap;
} // namespace WebCore
#endif // GridCoordinate_h
|
