| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * 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. |
| struct GridSpan { |
| 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. |
| struct GridCoordinate { |
| // 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 |