void RenderGrid::layoutGridItems()
{
Vector<GridTrack> columnTracks(maximumIndexInDirection(ForColumns));
Vector<GridTrack> rowTracks(maximumIndexInDirection(ForRows));
computedUsedBreadthOfGridTracks(ForColumns, columnTracks, rowTracks);
ASSERT(tracksAreWiderThanMinTrackBreadth(ForColumns, columnTracks));
computedUsedBreadthOfGridTracks(ForRows, columnTracks, rowTracks);
ASSERT(tracksAreWiderThanMinTrackBreadth(ForRows, rowTracks));
for (RenderBox* child = firstChildBox(); child; child = child->nextSiblingBox()) {
LayoutPoint childPosition = findChildLogicalPosition(child, columnTracks, rowTracks);
size_t columnTrack = resolveGridPosition(child->style()->gridItemColumn());
size_t rowTrack = resolveGridPosition(child->style()->gridItemRow());
// Because the grid area cannot be styled, we don't need to adjust
// the grid breadth to account for 'box-sizing'.
LayoutUnit oldOverrideContainingBlockContentLogicalWidth = child->hasOverrideContainingBlockLogicalWidth() ? child->overrideContainingBlockContentLogicalWidth() : LayoutUnit();
LayoutUnit oldOverrideContainingBlockContentLogicalHeight = child->hasOverrideContainingBlockLogicalHeight() ? child->overrideContainingBlockContentLogicalHeight() : LayoutUnit();
if (oldOverrideContainingBlockContentLogicalWidth != columnTracks[columnTrack].m_usedBreadth || oldOverrideContainingBlockContentLogicalHeight != rowTracks[rowTrack].m_usedBreadth)
child->setNeedsLayout(true, MarkOnlyThis);
child->setOverrideContainingBlockContentLogicalWidth(columnTracks[columnTrack].m_usedBreadth);
child->setOverrideContainingBlockContentLogicalHeight(rowTracks[rowTrack].m_usedBreadth);
// FIXME: Grid items should stretch to fill their cells. Once we
// implement grid-{column,row}-align, we can also shrink to fit. For
// now, just size as if we were a regular child.
child->layoutIfNeeded();
// FIXME: Handle border & padding on the grid element.
child->setLogicalLocation(childPosition);
}
for (size_t i = 0; i < rowTracks.size(); ++i)
setLogicalHeight(logicalHeight() + rowTracks[i].m_usedBreadth);
// FIXME: We should handle min / max logical height.
setLogicalHeight(logicalHeight() + borderAndPaddingLogicalHeight());
}
void RenderGrid::layoutGridItems()
{
Vector<GridTrack> columnTracks, rowTracks;
computedUsedBreadthOfGridTracks(ForColumns, columnTracks);
// FIXME: The logical width of Grid Columns from the prior step is used in
// the formatting of Grid items in content-sized Grid Rows to determine
// their required height. We will probably need to pass columns through.
computedUsedBreadthOfGridTracks(ForRows, rowTracks);
for (RenderBox* child = firstChildBox(); child; child = child->nextSiblingBox()) {
LayoutPoint childPosition = findChildLogicalPosition(child, columnTracks, rowTracks);
// FIXME: Grid items should stretch to fill their cells. Once we
// implement grid-{column,row}-align, we can also shrink to fit. For
// now, just size as if we were a regular child.
child->layoutIfNeeded();
// FIXME: Handle border & padding on the grid element.
child->setLogicalLocation(childPosition);
}
// FIXME: Handle border & padding on the grid element.
for (size_t i = 0; i < rowTracks.size(); ++i)
setLogicalHeight(logicalHeight() + rowTracks[i].m_usedBreadth);
}
