void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat)
{
LayoutUnit height = m_block.logicalHeight();
if (height < m_block.logicalTopForFloat(newFloat) || height >= m_block.logicalBottomForFloat(newFloat))
return;
#if ENABLE(CSS_SHAPES)
// When floats with shape outside are stacked, the floats are positioned based on the margin box of the float,
// not the shape's contour. Since we computed the width based on the shape contour when we added the float,
// when we add a subsequent float on the same line, we need to undo the shape delta in order to position
// based on the margin box. In order to do this, we need to walk back through the floating object list to find
// the first previous float that is on the same side as our newFloat.
ShapeOutsideInfo* previousShapeOutsideInfo = 0;
const FloatingObjectSet& floatingObjectSet = m_block.m_floatingObjects->set();
auto it = floatingObjectSet.end();
auto begin = floatingObjectSet.begin();
LayoutUnit lineHeight = m_block.lineHeight(m_isFirstLine, m_block.isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes);
for (--it; it != begin; --it) {
FloatingObject* previousFloat = it->get();
if (previousFloat != newFloat && previousFloat->type() == newFloat->type()) {
previousShapeOutsideInfo = previousFloat->renderer().shapeOutsideInfo();
if (previousShapeOutsideInfo)
previousShapeOutsideInfo->updateDeltasForContainingBlockLine(&m_block, previousFloat, m_block.logicalHeight(), lineHeight);
break;
}
}
ShapeOutsideInfo* shapeOutsideInfo = newFloat->renderer().shapeOutsideInfo();
if (shapeOutsideInfo)
shapeOutsideInfo->updateDeltasForContainingBlockLine(&m_block, newFloat, m_block.logicalHeight(), lineHeight);
#endif
if (newFloat->type() == FloatingObject::FloatLeft) {
float newLeft = m_block.logicalRightForFloat(newFloat);
#if ENABLE(CSS_SHAPES)
if (previousShapeOutsideInfo)
newLeft -= previousShapeOutsideInfo->rightMarginBoxDelta();
if (shapeOutsideInfo)
newLeft += shapeOutsideInfo->rightMarginBoxDelta();
#endif
if (shouldIndentText() && m_block.style()->isLeftToRightDirection())
newLeft += floorToInt(m_block.textIndentOffset());
m_left = std::max<float>(m_left, newLeft);
} else {
float newRight = m_block.logicalLeftForFloat(newFloat);
#if ENABLE(CSS_SHAPES)
if (previousShapeOutsideInfo)
newRight -= previousShapeOutsideInfo->leftMarginBoxDelta();
if (shapeOutsideInfo)
newRight += shapeOutsideInfo->leftMarginBoxDelta();
#endif
if (shouldIndentText() && !m_block.style()->isLeftToRightDirection())
newRight -= floorToInt(m_block.textIndentOffset());
m_right = std::min<float>(m_right, newRight);
}
computeAvailableWidthFromLeftAndRight();
}
void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat)
{
LayoutUnit height = m_block.logicalHeight();
if (height < m_block.logicalTopForFloat(newFloat) || height >= m_block.logicalBottomForFloat(newFloat))
return;
ShapeOutsideInfo* shapeOutsideInfo = newFloat->renderer()->shapeOutsideInfo();
if (shapeOutsideInfo) {
LayoutUnit lineHeight = m_block.lineHeight(m_isFirstLine, m_block.isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes);
shapeOutsideInfo->updateDeltasForContainingBlockLine(m_block, *newFloat, m_block.logicalHeight(), lineHeight);
}
if (newFloat->type() == FloatingObject::FloatLeft) {
float newLeft = m_block.logicalRightForFloat(newFloat).toFloat();
if (shapeOutsideInfo) {
if (shapeOutsideInfo->lineOverlapsShape())
newLeft += shapeOutsideInfo->rightMarginBoxDelta();
else // Per the CSS Shapes spec, If the line doesn't overlap the shape, then ignore this shape for this line.
newLeft = m_left;
}
if (shouldIndentText() && m_block.style()->isLeftToRightDirection())
newLeft += floorToInt(m_block.textIndentOffset());
m_left = std::max<float>(m_left, newLeft);
} else {
float newRight = m_block.logicalLeftForFloat(newFloat).toFloat();
if (shapeOutsideInfo) {
if (shapeOutsideInfo->lineOverlapsShape())
newRight += shapeOutsideInfo->leftMarginBoxDelta();
else // Per the CSS Shapes spec, If the line doesn't overlap the shape, then ignore this shape for this line.
newRight = m_right;
}
if (shouldIndentText() && !m_block.style()->isLeftToRightDirection())
newRight -= floorToInt(m_block.textIndentOffset());
m_right = std::min<float>(m_right, newRight);
}
computeAvailableWidthFromLeftAndRight();
}
