| 1 | /* |
| 2 | * Copyright (C) 2014-2016 Igalia S.L. |
| 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 | #pragma once |
| 32 | |
| 33 | #include "GridPosition.h" |
| 34 | |
| 35 | namespace WebCore { |
| 36 | |
| 37 | class GridSpan; |
| 38 | class RenderBox; |
| 39 | class RenderStyle; |
| 40 | |
| 41 | enum GridTrackSizingDirection { |
| 42 | ForColumns, |
| 43 | ForRows |
| 44 | }; |
| 45 | |
| 46 | class NamedLineCollection { |
| 47 | WTF_MAKE_NONCOPYABLE(NamedLineCollection); |
| 48 | public: |
| 49 | NamedLineCollection(const RenderStyle&, const String& namedLine, GridTrackSizingDirection, unsigned lastLine, unsigned autoRepeatTracksCount); |
| 50 | |
| 51 | bool hasNamedLines() const; |
| 52 | unsigned firstPosition() const; |
| 53 | |
| 54 | bool contains(unsigned line) const; |
| 55 | |
| 56 | private: |
| 57 | size_t find(unsigned line) const; |
| 58 | |
| 59 | const Vector<unsigned>* m_namedLinesIndexes { nullptr }; |
| 60 | const Vector<unsigned>* m_autoRepeatNamedLinesIndexes { nullptr }; |
| 61 | |
| 62 | unsigned m_insertionPoint; |
| 63 | unsigned m_lastLine; |
| 64 | unsigned m_autoRepeatTotalTracks; |
| 65 | unsigned m_autoRepeatTrackListLength; |
| 66 | }; |
| 67 | |
| 68 | // Class with all the code related to grid items positions resolution. |
| 69 | class GridPositionsResolver { |
| 70 | public: |
| 71 | static GridPositionSide initialPositionSide(GridTrackSizingDirection); |
| 72 | static GridPositionSide finalPositionSide(GridTrackSizingDirection); |
| 73 | static unsigned spanSizeForAutoPlacedItem(const RenderBox&, GridTrackSizingDirection); |
| 74 | static GridSpan resolveGridPositionsFromStyle(const RenderStyle&, const RenderBox&, GridTrackSizingDirection, unsigned autoRepeatTracksCount); |
| 75 | static unsigned explicitGridColumnCount(const RenderStyle&, unsigned autoRepeatColumnsCount); |
| 76 | static unsigned explicitGridRowCount(const RenderStyle&, unsigned autoRepeatRowsCount); |
| 77 | }; |
| 78 | |
| 79 | } // namespace WebCore |
| 80 | |