LineWidth::LineWidth(LineLayoutBlockFlow block,
bool isFirstLine,
IndentTextOrNot indentText)
: m_block(block),
m_uncommittedWidth(0),
m_committedWidth(0),
m_overhangWidth(0),
m_trailingWhitespaceWidth(0),
m_isFirstLine(isFirstLine),
m_indentText(indentText) {
updateAvailableWidth();
}
LineWidth::LineWidth(RenderParagraph& block, bool isFirstLine, IndentTextOrNot shouldIndentText)
: m_block(block)
, m_uncommittedWidth(0)
, m_committedWidth(0)
, m_trailingWhitespaceWidth(0)
, m_left(0)
, m_right(0)
, m_availableWidth(0)
, m_shouldIndentText(shouldIndentText)
{
updateAvailableWidth();
}
LineWidth::LineWidth(RenderBlockFlow& block, bool isFirstLine, IndentTextOrNot shouldIndentText)
: m_block(block)
, m_uncommittedWidth(0)
, m_committedWidth(0)
, m_overhangWidth(0)
, m_left(0)
, m_right(0)
, m_availableWidth(0)
, m_isFirstLine(isFirstLine)
, m_shouldIndentText(shouldIndentText)
{
updateAvailableWidth();
}
void LineWidth::fitBelowFloats()
{
ASSERT(!m_committedWidth);
ASSERT(!fitsOnLine());
LayoutUnit floatLogicalBottom;
LayoutUnit lastFloatLogicalBottom = m_block.logicalHeight();
float newLineWidth = m_availableWidth;
float newLineLeft = m_left;
float newLineRight = m_right;
while (true) {
floatLogicalBottom = m_block.nextFloatLogicalBottomBelow(lastFloatLogicalBottom, ShapeOutsideFloatShapeOffset);
if (floatLogicalBottom <= lastFloatLogicalBottom)
break;
newLineLeft = m_block.logicalLeftOffsetForLine(floatLogicalBottom, shouldIndentText());
newLineRight = m_block.logicalRightOffsetForLine(floatLogicalBottom, shouldIndentText());
newLineWidth = max(0.0f, newLineRight - newLineLeft);
lastFloatLogicalBottom = floatLogicalBottom;
#if ENABLE(CSS_SHAPES)
// FIXME: This code should be refactored to incorporate with the code above.
ShapeInsideInfo* shapeInsideInfo = m_block.layoutShapeInsideInfo();
if (shapeInsideInfo) {
LayoutUnit logicalOffsetFromShapeContainer = m_block.logicalOffsetFromShapeAncestorContainer(shapeInsideInfo->owner()).height();
LayoutUnit lineHeight = m_block.lineHeight(false, m_block.isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes);
shapeInsideInfo->updateSegmentsForLine(lastFloatLogicalBottom + logicalOffsetFromShapeContainer, lineHeight);
updateCurrentShapeSegment();
updateAvailableWidth();
}
#endif
if (newLineWidth >= m_uncommittedWidth)
break;
}
if (newLineWidth > m_availableWidth) {
m_block.setLogicalHeight(lastFloatLogicalBottom);
m_availableWidth = newLineWidth + m_overhangWidth;
m_left = newLineLeft;
m_right = newLineRight;
}
}
LineWidth::LineWidth(RenderBlockFlow& block, bool isFirstLine, IndentTextOrNot shouldIndentText)
: m_block(block)
, m_uncommittedWidth(0)
, m_committedWidth(0)
, m_overhangWidth(0)
, m_trailingWhitespaceWidth(0)
, m_trailingCollapsedWhitespaceWidth(0)
, m_left(0)
, m_right(0)
, m_availableWidth(0)
#if ENABLE(CSS_SHAPES)
, m_segment(0)
#endif
, m_isFirstLine(isFirstLine)
, m_shouldIndentText(shouldIndentText)
{
#if ENABLE(CSS_SHAPES)
updateCurrentShapeSegment();
#endif
updateAvailableWidth();
}