void LayoutReplaced::computePreferredLogicalWidths()
{
ASSERT(preferredLogicalWidthsDirty());
// We cannot resolve some logical width here (i.e. percent, fill-available or fit-content)
// as the available logical width may not be set on our containing block.
const Length& logicalWidth = style()->logicalWidth();
if (logicalWidth.hasPercent() || logicalWidth.isFillAvailable() || logicalWidth.isFitContent())
computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
else
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = computeReplacedLogicalWidth(ComputePreferred);
const ComputedStyle& styleToUse = styleRef();
if (styleToUse.logicalWidth().hasPercent() || styleToUse.logicalMaxWidth().hasPercent())
m_minPreferredLogicalWidth = 0;
if (styleToUse.logicalMinWidth().isFixed() && styleToUse.logicalMinWidth().value() > 0) {
m_maxPreferredLogicalWidth = std::max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
m_minPreferredLogicalWidth = std::max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
}
if (styleToUse.logicalMaxWidth().isFixed()) {
m_maxPreferredLogicalWidth = std::min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
m_minPreferredLogicalWidth = std::min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
}
LayoutUnit borderAndPadding = borderAndPaddingLogicalWidth();
m_minPreferredLogicalWidth += borderAndPadding;
m_maxPreferredLogicalWidth += borderAndPadding;
clearPreferredLogicalWidthsDirty();
}
void RenderRegion::computePreferredLogicalWidths()
{
ASSERT(preferredLogicalWidthsDirty());
if (!isValid()) {
RenderBlockFlow::computePreferredLogicalWidths();
return;
}
// FIXME: Currently, the code handles only the <length> case for min-width/max-width.
// It should also support other values, like percentage, calc or viewport relative.
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = 0;
const RenderStyle& styleToUse = style();
if (styleToUse.logicalWidth().isFixed() && styleToUse.logicalWidth().value() > 0)
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalWidth().value());
else
computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
if (styleToUse.logicalMinWidth().isFixed() && styleToUse.logicalMinWidth().value() > 0) {
m_maxPreferredLogicalWidth = std::max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
m_minPreferredLogicalWidth = std::max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
}
if (styleToUse.logicalMaxWidth().isFixed()) {
m_maxPreferredLogicalWidth = std::min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
m_minPreferredLogicalWidth = std::min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
}
LayoutUnit borderAndPadding = borderAndPaddingLogicalWidth();
m_minPreferredLogicalWidth += borderAndPadding;
m_maxPreferredLogicalWidth += borderAndPadding;
setPreferredLogicalWidthsDirty(false);
}
void RenderReplaced::computePreferredLogicalWidths()
{
ASSERT(preferredLogicalWidthsDirty());
// We cannot resolve any percent logical width here as the available logical
// width may not be set on our containing block.
if (style()->logicalWidth().isPercent())
computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
else
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = computeReplacedLogicalWidth(ComputePreferred);
RenderStyle* styleToUse = style();
if (styleToUse->logicalWidth().isPercent() || styleToUse->logicalMaxWidth().isPercent() || hasRelativeIntrinsicLogicalWidth())
m_minPreferredLogicalWidth = 0;
if (styleToUse->logicalMinWidth().isFixed() && styleToUse->logicalMinWidth().value() > 0) {
m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value()));
m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value()));
}
if (styleToUse->logicalMaxWidth().isFixed()) {
m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value()));
m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value()));
}
LayoutUnit borderAndPadding = borderAndPaddingLogicalWidth();
m_minPreferredLogicalWidth += borderAndPadding;
m_maxPreferredLogicalWidth += borderAndPadding;
setPreferredLogicalWidthsDirty(false);
}
void LayoutTextControl::computePreferredLogicalWidths()
{
ASSERT(preferredLogicalWidthsDirty());
m_minPreferredLogicalWidth = 0;
m_maxPreferredLogicalWidth = 0;
const ComputedStyle& styleToUse = styleRef();
if (styleToUse.logicalWidth().isFixed() && styleToUse.logicalWidth().value() >= 0)
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalWidth().value());
else
computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
if (styleToUse.logicalMinWidth().isFixed() && styleToUse.logicalMinWidth().value() > 0) {
m_maxPreferredLogicalWidth = std::max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
m_minPreferredLogicalWidth = std::max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
}
if (styleToUse.logicalMaxWidth().isFixed()) {
m_maxPreferredLogicalWidth = std::min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
m_minPreferredLogicalWidth = std::min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
}
LayoutUnit toAdd = borderAndPaddingLogicalWidth();
m_minPreferredLogicalWidth += toAdd;
m_maxPreferredLogicalWidth += toAdd;
clearPreferredLogicalWidthsDirty();
}
void RenderSlider::computePreferredLogicalWidths()
{
m_minPreferredLogicalWidth = 0;
m_maxPreferredLogicalWidth = 0;
if (style()->width().isFixed() && style()->width().value() > 0)
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = adjustContentBoxLogicalWidthForBoxSizing(style()->width().value());
else
computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
if (style()->minWidth().isFixed() && style()->minWidth().value() > 0) {
m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->minWidth().value()));
m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->minWidth().value()));
}
if (style()->maxWidth().isFixed()) {
m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->maxWidth().value()));
m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->maxWidth().value()));
}
LayoutUnit toAdd = borderAndPaddingWidth();
m_minPreferredLogicalWidth += toAdd;
m_maxPreferredLogicalWidth += toAdd;
setPreferredLogicalWidthsDirty(false);
}
void RenderTextControl::computePreferredLogicalWidths()
{
ASSERT(preferredLogicalWidthsDirty());
m_minPreferredLogicalWidth = 0;
m_maxPreferredLogicalWidth = 0;
if (style()->width().isFixed() && style()->width().value() >= 0)
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = adjustContentBoxLogicalWidthForBoxSizing(style()->width().value());
else {
// Use average character width. Matches IE.
AtomicString family = style()->font().family().family();
m_maxPreferredLogicalWidth = preferredContentWidth(getAvgCharWidth(family));
if (RenderBox* innerTextRenderBox = innerTextElement()->renderBox())
m_maxPreferredLogicalWidth += innerTextRenderBox->paddingLeft() + innerTextRenderBox->paddingRight();
if (!style()->width().isPercent())
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth;
}
if (style()->minWidth().isFixed() && style()->minWidth().value() > 0) {
m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->minWidth().value()));
m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->minWidth().value()));
}
if (style()->maxWidth().isFixed()) {
m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->maxWidth().value()));
m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(style()->maxWidth().value()));
}
LayoutUnit toAdd = borderAndPaddingWidth();
m_minPreferredLogicalWidth += toAdd;
m_maxPreferredLogicalWidth += toAdd;
setPreferredLogicalWidthsDirty(false);
}