void RenderView::calcPrefWidths()
{
ASSERT(prefWidthsDirty());
RenderBlock::calcPrefWidths();
m_maxPrefWidth = m_minPrefWidth;
}
void RenderScrollbarPart::calcPrefWidths()
{
if (!prefWidthsDirty())
return;
m_minPrefWidth = m_maxPrefWidth = 0;
setPrefWidthsDirty(false);
}
void RenderReplaced::calcPrefWidths()
{
ASSERT(prefWidthsDirty());
int width = calcReplacedWidth() + paddingLeft() + paddingRight() + borderLeft() + borderRight();
if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent())) {
m_minPrefWidth = 0;
m_maxPrefWidth = width;
} else
m_minPrefWidth = m_maxPrefWidth = width;
setPrefWidthsDirty(false);
}
void RenderSVGRoot::calcPrefWidths()
{
ASSERT(prefWidthsDirty());
int paddingAndBorders = paddingLeft() + paddingRight() + borderLeft() + borderRight();
int width = calcReplacedWidth(false) + paddingAndBorders;
if (style()->maxWidth().isFixed() && style()->maxWidth().value() != undefinedLength)
width = min(width, style()->maxWidth().value() + (style()->boxSizing() == CONTENT_BOX ? paddingAndBorders : 0));
if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent())) {
m_minPrefWidth = 0;
m_maxPrefWidth = width;
} else
m_minPrefWidth = m_maxPrefWidth = width;
setPrefWidthsDirty(false);
}
void RenderReplaced::calcPrefWidths()
{
ASSERT(prefWidthsDirty());
int borderAndPadding = borderAndPaddingWidth();
int width = calcReplacedWidth(false) + borderAndPadding;
if (style()->maxWidth().isFixed() && style()->maxWidth().value() != undefinedLength)
width = min(width, style()->maxWidth().value() + (style()->boxSizing() == CONTENT_BOX ? borderAndPadding : 0));
if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent())) {
m_minPrefWidth = 0;
m_maxPrefWidth = width;
} else
m_minPrefWidth = m_maxPrefWidth = width;
setPrefWidthsDirty(false);
}
void RenderListMarker::layout()
{
ASSERT(needsLayout());
ASSERT(!prefWidthsDirty());
if (isImage()) {
m_width = m_image->image()->width();
m_height = m_image->image()->height();
} else {
m_width = minPrefWidth();
m_height = style()->font().height();
}
m_marginLeft = m_marginRight = 0;
Length leftMargin = style()->marginLeft();
Length rightMargin = style()->marginRight();
if (leftMargin.isFixed())
m_marginLeft = leftMargin.value();
if (rightMargin.isFixed())
m_marginRight = rightMargin.value();
setNeedsLayout(false);
}
void RenderListMarker::calcPrefWidths()
{
ASSERT(prefWidthsDirty());
m_text = "";
if (isImage()) {
m_minPrefWidth = m_maxPrefWidth = m_image->image()->width();
setPrefWidthsDirty(false);
updateMargins();
return;
}
const Font& font = style()->font();
int width = 0;
EListStyleType type = style()->listStyleType();
switch (type) {
case LNONE:
break;
case CIRCLE:
case DISC:
case SQUARE:
m_text = listMarkerText(type, 0); // value is ignored for these types
width = (font.ascent() * 2 / 3 + 1) / 2 + 2;
break;
case ARMENIAN:
case CJK_IDEOGRAPHIC:
case DECIMAL_LEADING_ZERO:
case GEORGIAN:
case HEBREW:
case HIRAGANA:
case HIRAGANA_IROHA:
case KATAKANA:
case KATAKANA_IROHA:
case LDECIMAL:
case LOWER_ALPHA:
case LOWER_GREEK:
case LOWER_LATIN:
case LOWER_ROMAN:
case UPPER_ALPHA:
case UPPER_LATIN:
case UPPER_ROMAN:
m_text = listMarkerText(type, m_listItem->value());
if (m_text.isEmpty())
width = 0;
else {
int itemWidth = font.width(m_text);
const UChar periodSpace[2] = { '.', ' ' };
int periodSpaceWidth = font.width(TextRun(periodSpace, 2));
width = itemWidth + periodSpaceWidth;
}
break;
}
m_minPrefWidth = width;
m_maxPrefWidth = width;
setPrefWidthsDirty(false);
updateMargins();
}
