PassOwnPtr<GridSpan> GridResolvedPosition::resolveGridPositionAgainstOppositePosition(const RenderStyle& gridContainerStyle, const GridResolvedPosition& resolvedOppositePosition, const GridPosition& position, GridPositionSide side)
{
if (position.isAuto())
return GridSpan::create(resolvedOppositePosition, resolvedOppositePosition);
ASSERT(position.isSpan());
ASSERT(position.spanPosition() > 0);
if (!position.namedGridLine().isNull()) {
// span 2 'c' -> we need to find the appropriate grid line before / after our opposite position.
return resolveNamedGridLinePositionAgainstOppositePosition(gridContainerStyle, resolvedOppositePosition, position, side);
}
return GridSpan::createWithSpanAgainstOpposite(resolvedOppositePosition, position, side);
}
GridSpan GridResolvedPosition::resolveGridPositionAgainstOppositePosition(const ComputedStyle& gridContainerStyle, const GridResolvedPosition& resolvedOppositePosition, const GridPosition& position, GridPositionSide side)
{
if (position.isAuto()) {
if ((side == ColumnStartSide || side == RowStartSide) && resolvedOppositePosition.toInt())
return GridSpan::definiteGridSpan(resolvedOppositePosition.prev(), resolvedOppositePosition);
return GridSpan::definiteGridSpan(resolvedOppositePosition, resolvedOppositePosition.next());
}
ASSERT(position.isSpan());
ASSERT(position.spanPosition() > 0);
if (!position.namedGridLine().isNull()) {
// span 2 'c' -> we need to find the appropriate grid line before / after our opposite position.
return resolveNamedGridLinePositionAgainstOppositePosition(gridContainerStyle, resolvedOppositePosition, position, side);
}
return GridSpan::definiteGridSpanWithSpanAgainstOpposite(resolvedOppositePosition, position, side);
}
std::unique_ptr<GridSpan> GridResolvedPosition::resolveGridPositionAgainstOppositePosition(const RenderStyle& gridContainerStyle, const GridResolvedPosition& resolvedOppositePosition, const GridPosition& position, GridPositionSide side)
{
if (position.isAuto())
return std::make_unique<GridSpan>(resolvedOppositePosition, resolvedOppositePosition);
ASSERT(position.isSpan());
ASSERT(position.spanPosition() > 0);
if (!position.namedGridLine().isNull()) {
// span 2 'c' -> we need to find the appropriate grid line before / after our opposite position.
return resolveNamedGridLinePositionAgainstOppositePosition(gridContainerStyle, resolvedOppositePosition, position, side);
}
// 'span 1' is contained inside a single grid track regardless of the direction.
// That's why the CSS span value is one more than the offset we apply.
size_t positionOffset = position.spanPosition() - 1;
if (isStartSide(side)) {
size_t initialResolvedPosition = std::max<int>(0, resolvedOppositePosition.toInt() - positionOffset);
return std::make_unique<GridSpan>(initialResolvedPosition, resolvedOppositePosition);
}
return std::make_unique<GridSpan>(resolvedOppositePosition, resolvedOppositePosition.toInt() + positionOffset);
}
static GridSpan resolveGridPositionAgainstOppositePosition(const RenderStyle& gridContainerStyle, int oppositeLine, const GridPosition& position, GridPositionSide side, unsigned autoRepeatTracksCount)
{
if (position.isAuto()) {
if (isStartSide(side))
return GridSpan::untranslatedDefiniteGridSpan(oppositeLine - 1, oppositeLine);
return GridSpan::untranslatedDefiniteGridSpan(oppositeLine, oppositeLine + 1);
}
ASSERT(position.isSpan());
ASSERT(position.spanPosition() > 0);
if (!position.namedGridLine().isNull()) {
// span 2 'c' -> we need to find the appropriate grid line before / after our opposite position.
return resolveNamedGridLinePositionAgainstOppositePosition(gridContainerStyle, oppositeLine, position, side, autoRepeatTracksCount);
}
// 'span 1' is contained inside a single grid track regardless of the direction.
// That's why the CSS span value is one more than the offset we apply.
unsigned positionOffset = position.spanPosition();
if (isStartSide(side))
return GridSpan::untranslatedDefiniteGridSpan(oppositeLine - positionOffset, oppositeLine);
return GridSpan::untranslatedDefiniteGridSpan(oppositeLine, oppositeLine + positionOffset);
}
