| /* |
| * Copyright (C) 2011 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| * |
| */ |
| |
| #include "config.h" |
| #include "StyleGridData.h" |
| |
| #include "RenderStyle.h" |
| |
| namespace WebCore { |
| |
| StyleGridData::StyleGridData() |
| : implicitNamedGridColumnLines(RenderStyle::initialNamedGridColumnLines()) |
| , implicitNamedGridRowLines(RenderStyle::initialNamedGridRowLines()) |
| , gridAutoFlow(RenderStyle::initialGridAutoFlow()) |
| , gridAutoRows(RenderStyle::initialGridAutoRows()) |
| , gridAutoColumns(RenderStyle::initialGridAutoColumns()) |
| , namedGridArea(RenderStyle::initialNamedGridArea()) |
| , namedGridAreaRowCount(RenderStyle::initialNamedGridAreaCount()) |
| , namedGridAreaColumnCount(RenderStyle::initialNamedGridAreaCount()) |
| , m_gridColumns(RenderStyle::initialGridColumns()) |
| , m_gridRows(RenderStyle::initialGridRows()) |
| , m_namedGridColumnLines(RenderStyle::initialNamedGridColumnLines()) |
| , m_namedGridRowLines(RenderStyle::initialNamedGridRowLines()) |
| , m_orderedNamedGridColumnLines(RenderStyle::initialOrderedNamedGridColumnLines()) |
| , m_orderedNamedGridRowLines(RenderStyle::initialOrderedNamedGridRowLines()) |
| , m_autoRepeatNamedGridColumnLines(RenderStyle::initialNamedGridColumnLines()) |
| , m_autoRepeatNamedGridRowLines(RenderStyle::initialNamedGridRowLines()) |
| , m_autoRepeatOrderedNamedGridColumnLines(RenderStyle::initialOrderedNamedGridColumnLines()) |
| , m_autoRepeatOrderedNamedGridRowLines(RenderStyle::initialOrderedNamedGridRowLines()) |
| , m_gridAutoRepeatColumns(RenderStyle::initialGridAutoRepeatTracks()) |
| , m_gridAutoRepeatRows(RenderStyle::initialGridAutoRepeatTracks()) |
| , m_autoRepeatColumnsInsertionPoint(RenderStyle::initialGridAutoRepeatInsertionPoint()) |
| , m_autoRepeatRowsInsertionPoint(RenderStyle::initialGridAutoRepeatInsertionPoint()) |
| , m_autoRepeatColumnsType(RenderStyle::initialGridAutoRepeatType()) |
| , m_autoRepeatRowsType(RenderStyle::initialGridAutoRepeatType()) |
| , m_subgridRows(false) |
| , m_subgridColumns(false) |
| { |
| } |
| |
| inline StyleGridData::StyleGridData(const StyleGridData& o) |
| : RefCounted<StyleGridData>() |
| , implicitNamedGridColumnLines(o.implicitNamedGridColumnLines) |
| , implicitNamedGridRowLines(o.implicitNamedGridRowLines) |
| , gridAutoFlow(o.gridAutoFlow) |
| , gridAutoRows(o.gridAutoRows) |
| , gridAutoColumns(o.gridAutoColumns) |
| , namedGridArea(o.namedGridArea) |
| , namedGridAreaRowCount(o.namedGridAreaRowCount) |
| , namedGridAreaColumnCount(o.namedGridAreaColumnCount) |
| , m_columns(o.m_columns) |
| , m_rows(o.m_rows) |
| , m_gridColumns(o.m_gridColumns) |
| , m_gridRows(o.m_gridRows) |
| , m_namedGridColumnLines(o.m_namedGridColumnLines) |
| , m_namedGridRowLines(o.m_namedGridRowLines) |
| , m_orderedNamedGridColumnLines(o.m_orderedNamedGridColumnLines) |
| , m_orderedNamedGridRowLines(o.m_orderedNamedGridRowLines) |
| , m_autoRepeatNamedGridColumnLines(o.m_autoRepeatNamedGridColumnLines) |
| , m_autoRepeatNamedGridRowLines(o.m_autoRepeatNamedGridRowLines) |
| , m_autoRepeatOrderedNamedGridColumnLines(o.m_autoRepeatOrderedNamedGridColumnLines) |
| , m_autoRepeatOrderedNamedGridRowLines(o.m_autoRepeatOrderedNamedGridRowLines) |
| , m_gridAutoRepeatColumns(o.m_gridAutoRepeatColumns) |
| , m_gridAutoRepeatRows(o.m_gridAutoRepeatRows) |
| , m_autoRepeatColumnsInsertionPoint(o.m_autoRepeatColumnsInsertionPoint) |
| , m_autoRepeatRowsInsertionPoint(o.m_autoRepeatRowsInsertionPoint) |
| , m_autoRepeatColumnsType(o.m_autoRepeatColumnsType) |
| , m_autoRepeatRowsType(o.m_autoRepeatRowsType) |
| , m_subgridRows(o.m_subgridRows) |
| , m_subgridColumns(o.m_subgridColumns) |
| { |
| } |
| |
| void StyleGridData::setRows(const GridTrackList& list) |
| { |
| m_rows = list; |
| computeCachedTrackData(m_rows, m_gridRows, m_namedGridRowLines, m_orderedNamedGridRowLines, m_gridAutoRepeatRows, m_autoRepeatNamedGridRowLines, m_autoRepeatOrderedNamedGridRowLines, m_autoRepeatRowsInsertionPoint, m_autoRepeatRowsType, m_subgridRows); |
| } |
| |
| void StyleGridData::setColumns(const GridTrackList& list) |
| { |
| m_columns = list; |
| computeCachedTrackData(m_columns, m_gridColumns, m_namedGridColumnLines, m_orderedNamedGridColumnLines, m_gridAutoRepeatColumns, m_autoRepeatNamedGridColumnLines, m_autoRepeatOrderedNamedGridColumnLines, m_autoRepeatColumnsInsertionPoint, m_autoRepeatColumnsType, m_subgridColumns); |
| } |
| |
| static void createGridLineNamesList(const Vector<String>& names, unsigned currentNamedGridLine, NamedGridLinesMap& namedGridLines, OrderedNamedGridLinesMap& orderedNamedGridLines) |
| { |
| auto orderedResult = orderedNamedGridLines.add(currentNamedGridLine, Vector<String>()); |
| |
| for (auto& name : names) { |
| auto result = namedGridLines.add(name, Vector<unsigned>()); |
| result.iterator->value.append(currentNamedGridLine); |
| |
| orderedResult.iterator->value.append(name); |
| } |
| } |
| |
| void StyleGridData::computeCachedTrackData(const GridTrackList& list, Vector<GridTrackSize>& sizes, NamedGridLinesMap& namedLines, OrderedNamedGridLinesMap& orderedNamedLines, Vector<GridTrackSize>& autoRepeatSizes, NamedGridLinesMap& autoRepeatNamedLines, OrderedNamedGridLinesMap& autoRepeatOrderedNamedLines, unsigned& autoRepeatInsertionPoint, AutoRepeatType& autoRepeatType, bool& subgrid) |
| { |
| sizes.clear(); |
| namedLines.clear(); |
| orderedNamedLines.clear(); |
| autoRepeatSizes.clear(); |
| autoRepeatNamedLines.clear(); |
| autoRepeatOrderedNamedLines.clear(); |
| autoRepeatInsertionPoint = RenderStyle::initialGridAutoRepeatInsertionPoint(); |
| autoRepeatType = RenderStyle::initialGridAutoRepeatType(); |
| subgrid = false; |
| |
| if (list.isEmpty()) |
| return; |
| |
| unsigned currentNamedGridLine = 0; |
| unsigned autoRepeatIndex = 0; |
| auto visitor = WTF::makeVisitor([&](const GridTrackSize& size) { |
| ++currentNamedGridLine; |
| sizes.append(size); |
| }, [&](const Vector<String>& names) { |
| createGridLineNamesList(names, currentNamedGridLine, namedLines, orderedNamedLines); |
| // Subgrids only have line names defined, not track sizes, so we want our count |
| // to be the number of lines named rather than number of sized tracks. |
| if (subgrid) |
| currentNamedGridLine++; |
| }, [&](const GridTrackEntryRepeat& repeat) { |
| for (size_t i = 0; i < repeat.repeats; ++i) { |
| for (auto& repeatEntry : repeat.list) { |
| if (std::holds_alternative<Vector<String>>(repeatEntry)) { |
| createGridLineNamesList(std::get<Vector<String>>(repeatEntry), currentNamedGridLine, namedLines, orderedNamedLines); |
| // Subgrids only have line names defined, not track sizes, so we want our count |
| // to be the number of lines named rather than number of sized tracks. |
| if (subgrid) |
| currentNamedGridLine++; |
| } else { |
| ++currentNamedGridLine; |
| sizes.append(std::get<GridTrackSize>(repeatEntry)); |
| } |
| } |
| } |
| }, [&](const GridTrackEntryAutoRepeat& repeat) { |
| ASSERT(!autoRepeatIndex); |
| autoRepeatIndex = 0; |
| autoRepeatType = repeat.type; |
| for (auto& autoRepeatEntry : repeat.list) { |
| if (std::holds_alternative<Vector<String>>(autoRepeatEntry)) { |
| createGridLineNamesList(std::get<Vector<String>>(autoRepeatEntry), autoRepeatIndex, autoRepeatNamedLines, autoRepeatOrderedNamedLines); |
| if (subgrid) |
| ++autoRepeatIndex; |
| continue; |
| } |
| ++autoRepeatIndex; |
| autoRepeatSizes.append(std::get<GridTrackSize>(autoRepeatEntry)); |
| } |
| autoRepeatInsertionPoint = currentNamedGridLine; |
| if (!subgrid) |
| currentNamedGridLine++; |
| }, [&](const GridTrackEntrySubgrid&) { |
| subgrid = true; |
| }); |
| |
| for (const auto& entry : list) |
| std::visit(visitor, entry); |
| |
| // The parser should have rejected any <track-list> without any <track-size> as |
| // this is not conformant to the syntax. |
| ASSERT(!sizes.isEmpty() || !autoRepeatSizes.isEmpty() || subgrid); |
| } |
| |
| WTF::TextStream& operator<<(WTF::TextStream& ts, const RepeatEntry& entry) |
| { |
| auto visitor = WTF::makeVisitor([&](const GridTrackSize& size) { |
| ts << size; |
| }, [&](const Vector<String>& names) { |
| ts << names; |
| }); |
| |
| std::visit(visitor, entry); |
| return ts; |
| } |
| |
| WTF::TextStream& operator<<(WTF::TextStream& ts, const GridTrackEntry& entry) |
| { |
| auto visitor = WTF::makeVisitor([&](const GridTrackSize& size) { |
| ts << size; |
| }, [&](const Vector<String>& names) { |
| ts << names; |
| }, [&](const GridTrackEntryRepeat& repeat) { |
| ts << "repeat(" << repeat.repeats << ", " << repeat.list << ")"; |
| }, [&](const GridTrackEntryAutoRepeat& repeat) { |
| ts << "repeat(" << repeat.type << ", " << repeat.list << ")"; |
| }, [&](const GridTrackEntrySubgrid&) { |
| ts << "subgrid"; |
| }); |
| |
| std::visit(visitor, entry); |
| return ts; |
| } |
| |
| Ref<StyleGridData> StyleGridData::copy() const |
| { |
| return adoptRef(*new StyleGridData(*this)); |
| } |
| |
| } // namespace WebCore |
