float FontDescription::effectiveFontSize() const {
// Ensure that the effective precision matches the font-cache precision.
// This guarantees that the same precision is used regardless of cache status.
float computedOrAdjustedSize =
hasSizeAdjust() ? adjustedSize() : computedSize();
return floorf(computedOrAdjustedSize * FontCacheKey::precisionMultiplier()) /
FontCacheKey::precisionMultiplier();
}
float FontDescription::effectiveFontSize() const
{
float size = (RuntimeEnabledFeatures::subpixelFontScalingEnabled())
? computedSize()
: computedPixelSize();
// Ensure that the effective precision matches the font-cache precision.
// This guarantees that the same precision is used regardless of cache status.
return floorf(size * FontCacheKey::precisionMultiplier()) / FontCacheKey::precisionMultiplier();
}
void
nsLeafBoxFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
// This is mostly a copy of nsBoxFrame::Reflow().
// We aren't able to share an implementation because of the frame
// class hierarchy. If you make changes here, please keep
// nsBoxFrame::Reflow in sync.
DO_GLOBAL_REFLOW_COUNT("nsLeafBoxFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
NS_ASSERTION(aReflowState.ComputedWidth() >=0 &&
aReflowState.ComputedHeight() >= 0, "Computed Size < 0");
#ifdef DO_NOISY_REFLOW
printf("\n-------------Starting LeafBoxFrame Reflow ----------------------------\n");
printf("%p ** nsLBF::Reflow %d R: ", this, myCounter++);
switch (aReflowState.reason) {
case eReflowReason_Initial:
printf("Ini");break;
case eReflowReason_Incremental:
printf("Inc");break;
case eReflowReason_Resize:
printf("Rsz");break;
case eReflowReason_StyleChange:
printf("Sty");break;
case eReflowReason_Dirty:
printf("Drt ");
break;
default:printf("<unknown>%d", aReflowState.reason);break;
}
printSize("AW", aReflowState.AvailableWidth());
printSize("AH", aReflowState.AvailableHeight());
printSize("CW", aReflowState.ComputedWidth());
printSize("CH", aReflowState.ComputedHeight());
printf(" *\n");
#endif
aStatus = NS_FRAME_COMPLETE;
// create the layout state
nsBoxLayoutState state(aPresContext, aReflowState.rendContext);
nsSize computedSize(aReflowState.ComputedWidth(),aReflowState.ComputedHeight());
nsMargin m;
m = aReflowState.ComputedPhysicalBorderPadding();
//GetBorderAndPadding(m);
// this happens sometimes. So lets handle it gracefully.
if (aReflowState.ComputedHeight() == 0) {
nsSize minSize = GetMinSize(state);
computedSize.height = minSize.height - m.top - m.bottom;
}
nsSize prefSize(0,0);
// if we are told to layout intrinic then get our preferred size.
if (computedSize.width == NS_INTRINSICSIZE || computedSize.height == NS_INTRINSICSIZE) {
prefSize = GetPrefSize(state);
nsSize minSize = GetMinSize(state);
nsSize maxSize = GetMaxSize(state);
prefSize = BoundsCheck(minSize, prefSize, maxSize);
}
// get our desiredSize
if (aReflowState.ComputedWidth() == NS_INTRINSICSIZE) {
computedSize.width = prefSize.width;
} else {
computedSize.width += m.left + m.right;
}
if (aReflowState.ComputedHeight() == NS_INTRINSICSIZE) {
computedSize.height = prefSize.height;
} else {
computedSize.height += m.top + m.bottom;
}
// handle reflow state min and max sizes
// XXXbz the width handling here seems to be wrong, since
// mComputedMin/MaxWidth is a content-box size, whole
// computedSize.width is a border-box size...
if (computedSize.width > aReflowState.ComputedMaxWidth())
computedSize.width = aReflowState.ComputedMaxWidth();
if (computedSize.width < aReflowState.ComputedMinWidth())
computedSize.width = aReflowState.ComputedMinWidth();
// Now adjust computedSize.height for our min and max computed
// height. The only problem is that those are content-box sizes,
// while computedSize.height is a border-box size. So subtract off
// m.TopBottom() before adjusting, then readd it.
computedSize.height = std::max(0, computedSize.height - m.TopBottom());
computedSize.height = NS_CSS_MINMAX(computedSize.height,
aReflowState.ComputedMinHeight(),
aReflowState.ComputedMaxHeight());
computedSize.height += m.TopBottom();
nsRect r(mRect.x, mRect.y, computedSize.width, computedSize.height);
SetBounds(state, r);
// layout our children
Layout(state);
// ok our child could have gotten bigger. So lets get its bounds
aDesiredSize.Width() = mRect.width;
aDesiredSize.Height() = mRect.height;
aDesiredSize.SetTopAscent(GetBoxAscent(state));
// the overflow rect is set in SetBounds() above
aDesiredSize.mOverflowAreas = GetOverflowAreas();
#ifdef DO_NOISY_REFLOW
{
printf("%p ** nsLBF(done) W:%d H:%d ", this, aDesiredSize.Width(), aDesiredSize.Height());
if (maxElementWidth) {
printf("MW:%d\n", *maxElementWidth);
} else {
printf("MW:?\n");
}
}
#endif
}
// Returns true if this function managed to successfully move a frame, and
// false if it could not process the position change, and a reflow should
// be performed instead.
bool
RecomputePosition(nsIFrame* aFrame)
{
// Don't process position changes on table frames, since we already handle
// the dynamic position change on the table wrapper frame, and the
// reflow-based fallback code path also ignores positions on inner table
// frames.
if (aFrame->GetType() == nsGkAtoms::tableFrame) {
return true;
}
const nsStyleDisplay* display = aFrame->StyleDisplay();
// Changes to the offsets of a non-positioned element can safely be ignored.
if (display->mPosition == NS_STYLE_POSITION_STATIC) {
return true;
}
// Don't process position changes on frames which have views or the ones which
// have a view somewhere in their descendants, because the corresponding view
// needs to be repositioned properly as well.
if (aFrame->HasView() ||
(aFrame->GetStateBits() & NS_FRAME_HAS_CHILD_WITH_VIEW)) {
StyleChangeReflow(aFrame, nsChangeHint_NeedReflow);
return false;
}
aFrame->SchedulePaint();
// For relative positioning, we can simply update the frame rect
if (display->IsRelativelyPositionedStyle()) {
// Move the frame
if (display->mPosition == NS_STYLE_POSITION_STICKY) {
if (display->IsInnerTableStyle()) {
// We don't currently support sticky positioning of inner table
// elements (bug 975644). Bail.
//
// When this is fixed, remove the null-check for the computed
// offsets in nsTableRowFrame::ReflowChildren.
return true;
}
// Update sticky positioning for an entire element at once, starting with
// the first continuation or ib-split sibling.
// It's rare that the frame we already have isn't already the first
// continuation or ib-split sibling, but it can happen when styles differ
// across continuations such as ::first-line or ::first-letter, and in
// those cases we will generally (but maybe not always) do the work twice.
nsIFrame* firstContinuation =
nsLayoutUtils::FirstContinuationOrIBSplitSibling(aFrame);
StickyScrollContainer::ComputeStickyOffsets(firstContinuation);
StickyScrollContainer* ssc =
StickyScrollContainer::GetStickyScrollContainerForFrame(
firstContinuation);
if (ssc) {
ssc->PositionContinuations(firstContinuation);
}
} else {
MOZ_ASSERT(NS_STYLE_POSITION_RELATIVE == display->mPosition,
"Unexpected type of positioning");
for (nsIFrame* cont = aFrame; cont;
cont = nsLayoutUtils::GetNextContinuationOrIBSplitSibling(cont)) {
nsIFrame* cb = cont->GetContainingBlock();
nsMargin newOffsets;
WritingMode wm = cb->GetWritingMode();
const LogicalSize size(wm, cb->GetContentRectRelativeToSelf().Size());
ReflowInput::ComputeRelativeOffsets(wm, cont, size, newOffsets);
NS_ASSERTION(newOffsets.left == -newOffsets.right &&
newOffsets.top == -newOffsets.bottom,
"ComputeRelativeOffsets should return valid results");
// ReflowInput::ApplyRelativePositioning would work here, but
// since we've already checked mPosition and aren't changing the frame's
// normal position, go ahead and add the offsets directly.
cont->SetPosition(cont->GetNormalPosition() +
nsPoint(newOffsets.left, newOffsets.top));
}
}
return true;
}
// For the absolute positioning case, set up a fake HTML reflow state for
// the frame, and then get the offsets and size from it. If the frame's size
// doesn't need to change, we can simply update the frame position. Otherwise
// we fall back to a reflow.
nsRenderingContext rc(
aFrame->PresContext()->PresShell()->CreateReferenceRenderingContext());
// Construct a bogus parent reflow state so that there's a usable
// containing block reflow state.
nsIFrame* parentFrame = aFrame->GetParent();
WritingMode parentWM = parentFrame->GetWritingMode();
WritingMode frameWM = aFrame->GetWritingMode();
LogicalSize parentSize = parentFrame->GetLogicalSize();
nsFrameState savedState = parentFrame->GetStateBits();
ReflowInput parentReflowInput(aFrame->PresContext(), parentFrame, &rc,
parentSize);
parentFrame->RemoveStateBits(~nsFrameState(0));
parentFrame->AddStateBits(savedState);
// The bogus parent state here was created with no parent state of its own,
// and therefore it won't have an mCBReflowInput set up.
// But we may need one (for InitCBReflowInput in a child state), so let's
// try to create one here for the cases where it will be needed.
Maybe<ReflowInput> cbReflowInput;
nsIFrame* cbFrame = parentFrame->GetContainingBlock();
if (cbFrame && (aFrame->GetContainingBlock() != parentFrame ||
parentFrame->GetType() == nsGkAtoms::tableFrame)) {
LogicalSize cbSize = cbFrame->GetLogicalSize();
cbReflowInput.emplace(cbFrame->PresContext(), cbFrame, &rc, cbSize);
cbReflowInput->ComputedPhysicalMargin() = cbFrame->GetUsedMargin();
cbReflowInput->ComputedPhysicalPadding() = cbFrame->GetUsedPadding();
cbReflowInput->ComputedPhysicalBorderPadding() =
cbFrame->GetUsedBorderAndPadding();
parentReflowInput.mCBReflowInput = cbReflowInput.ptr();
}
NS_WARN_IF_FALSE(parentSize.ISize(parentWM) != NS_INTRINSICSIZE &&
parentSize.BSize(parentWM) != NS_INTRINSICSIZE,
"parentSize should be valid");
parentReflowInput.SetComputedISize(std::max(parentSize.ISize(parentWM), 0));
parentReflowInput.SetComputedBSize(std::max(parentSize.BSize(parentWM), 0));
parentReflowInput.ComputedPhysicalMargin().SizeTo(0, 0, 0, 0);
parentReflowInput.ComputedPhysicalPadding() = parentFrame->GetUsedPadding();
parentReflowInput.ComputedPhysicalBorderPadding() =
parentFrame->GetUsedBorderAndPadding();
LogicalSize availSize = parentSize.ConvertTo(frameWM, parentWM);
availSize.BSize(frameWM) = NS_INTRINSICSIZE;
ViewportFrame* viewport = do_QueryFrame(parentFrame);
nsSize cbSize = viewport ?
viewport->AdjustReflowInputAsContainingBlock(&parentReflowInput).Size()
: aFrame->GetContainingBlock()->GetSize();
const nsMargin& parentBorder =
parentReflowInput.mStyleBorder->GetComputedBorder();
cbSize -= nsSize(parentBorder.LeftRight(), parentBorder.TopBottom());
LogicalSize lcbSize(frameWM, cbSize);
ReflowInput reflowInput(aFrame->PresContext(), parentReflowInput, aFrame,
availSize, &lcbSize);
nsSize computedSize(reflowInput.ComputedWidth(),
reflowInput.ComputedHeight());
computedSize.width += reflowInput.ComputedPhysicalBorderPadding().LeftRight();
if (computedSize.height != NS_INTRINSICSIZE) {
computedSize.height +=
reflowInput.ComputedPhysicalBorderPadding().TopBottom();
}
nsSize size = aFrame->GetSize();
// The RecomputePosition hint is not used if any offset changed between auto
// and non-auto. If computedSize.height == NS_INTRINSICSIZE then the new
// element height will be its intrinsic height, and since 'top' and 'bottom''s
// auto-ness hasn't changed, the old height must also be its intrinsic
// height, which we can assume hasn't changed (or reflow would have
// been triggered).
if (computedSize.width == size.width &&
(computedSize.height == NS_INTRINSICSIZE || computedSize.height == size.height)) {
// If we're solving for 'left' or 'top', then compute it here, in order to
// match the reflow code path.
if (NS_AUTOOFFSET == reflowInput.ComputedPhysicalOffsets().left) {
reflowInput.ComputedPhysicalOffsets().left = cbSize.width -
reflowInput.ComputedPhysicalOffsets().right -
reflowInput.ComputedPhysicalMargin().right -
size.width -
reflowInput.ComputedPhysicalMargin().left;
}
if (NS_AUTOOFFSET == reflowInput.ComputedPhysicalOffsets().top) {
reflowInput.ComputedPhysicalOffsets().top = cbSize.height -
reflowInput.ComputedPhysicalOffsets().bottom -
reflowInput.ComputedPhysicalMargin().bottom -
size.height -
reflowInput.ComputedPhysicalMargin().top;
}
// Move the frame
nsPoint pos(parentBorder.left + reflowInput.ComputedPhysicalOffsets().left +
reflowInput.ComputedPhysicalMargin().left,
parentBorder.top + reflowInput.ComputedPhysicalOffsets().top +
reflowInput.ComputedPhysicalMargin().top);
aFrame->SetPosition(pos);
return true;
}
// Fall back to a reflow
StyleChangeReflow(aFrame, nsChangeHint_NeedReflow);
return false;
}
void RenderCombineText::combineText()
{
if (!m_needsFontUpdate)
return;
m_isCombined = false;
m_needsFontUpdate = false;
// CSS3 spec says text-combine works only in vertical writing mode.
if (style().isHorizontalWritingMode())
return;
auto description = originalFont().fontDescription();
float emWidth = description.computedSize() * textCombineMargin;
bool shouldUpdateFont = false;
description.setOrientation(Horizontal); // We are going to draw combined text horizontally.
GlyphOverflow glyphOverflow;
glyphOverflow.computeBounds = true;
float combinedTextWidth = width(0, textLength(), originalFont(), 0, nullptr, &glyphOverflow);
m_isCombined = combinedTextWidth <= emWidth;
FontSelector* fontSelector = style().fontCascade().fontSelector();
if (m_isCombined)
shouldUpdateFont = m_combineFontStyle->setFontDescription(description); // Need to change font orientation to horizontal.
else {
// Need to try compressed glyphs.
static const FontWidthVariant widthVariants[] = { HalfWidth, ThirdWidth, QuarterWidth };
for (size_t i = 0 ; i < WTF_ARRAY_LENGTH(widthVariants) ; ++i) {
description.setWidthVariant(widthVariants[i]); // When modifying this, make sure to keep it in sync with FontPlatformData::isForTextCombine()!
FontCascade compressedFont(description, style().fontCascade().letterSpacing(), style().fontCascade().wordSpacing());
compressedFont.update(fontSelector);
float runWidth = RenderText::width(0, textLength(), compressedFont, 0, nullptr, &glyphOverflow);
if (runWidth <= emWidth) {
combinedTextWidth = runWidth;
m_isCombined = true;
// Replace my font with the new one.
shouldUpdateFont = m_combineFontStyle->setFontDescription(description);
break;
}
}
}
if (!m_isCombined)
shouldUpdateFont = m_combineFontStyle->setFontDescription(originalFont().fontDescription());
if (shouldUpdateFont)
m_combineFontStyle->fontCascade().update(fontSelector);
if (m_isCombined) {
DEPRECATED_DEFINE_STATIC_LOCAL(String, objectReplacementCharacterString, (&objectReplacementCharacter, 1));
RenderText::setRenderedText(objectReplacementCharacterString.impl());
m_combinedTextSize = FloatSize(combinedTextWidth, glyphOverflow.bottom + glyphOverflow.top);
}
}
void RenderSVGInlineText::computeNewScaledFontForStyle(const RenderObject& renderer, const RenderStyle& style, float& scalingFactor, FontCascade& scaledFont)
{
// Alter font-size to the right on-screen value to avoid scaling the glyphs themselves, except when GeometricPrecision is specified
scalingFactor = SVGRenderingContext::calculateScreenFontSizeScalingFactor(renderer);
if (!scalingFactor || style.fontDescription().textRenderingMode() == GeometricPrecision) {
scalingFactor = 1;
scaledFont = style.fontCascade();
return;
}
auto fontDescription = style.fontDescription();
// FIXME: We need to better handle the case when we compute very small fonts below (below 1pt).
fontDescription.setComputedSize(Style::computedFontSizeFromSpecifiedSizeForSVGInlineText(fontDescription.computedSize(), fontDescription.isAbsoluteSize(), scalingFactor, renderer.document()));
// SVG controls its own glyph orientation, so don't allow writing-mode
// to affect it.
if (fontDescription.orientation() != FontOrientation::Horizontal)
fontDescription.setOrientation(FontOrientation::Horizontal);
scaledFont = FontCascade(fontDescription, 0, 0);
scaledFont.update(&renderer.document().fontSelector());
}
void RenderCombineText::combineText()
{
if (!m_needsFontUpdate)
return;
// An ancestor element may trigger us to lay out again, even when we're already combined.
if (m_isCombined)
RenderText::setRenderedText(originalText());
m_isCombined = false;
m_needsFontUpdate = false;
// CSS3 spec says text-combine works only in vertical writing mode.
if (style().isHorizontalWritingMode())
return;
auto description = originalFont().fontDescription();
float emWidth = description.computedSize() * textCombineMargin;
bool shouldUpdateFont = false;
description.setOrientation(Horizontal); // We are going to draw combined text horizontally.
GlyphOverflow glyphOverflow;
glyphOverflow.computeBounds = true;
float combinedTextWidth = width(0, textLength(), originalFont(), 0, nullptr, &glyphOverflow);
float bestFitDelta = combinedTextWidth - emWidth;
auto bestFitDescription = description;
m_isCombined = combinedTextWidth <= emWidth;
FontSelector* fontSelector = style().fontCascade().fontSelector();
if (m_isCombined)
shouldUpdateFont = m_combineFontStyle->setFontDescription(description); // Need to change font orientation to horizontal.
else {
// Need to try compressed glyphs.
static const FontWidthVariant widthVariants[] = { HalfWidth, ThirdWidth, QuarterWidth };
for (size_t i = 0 ; i < WTF_ARRAY_LENGTH(widthVariants) ; ++i) {
description.setWidthVariant(widthVariants[i]); // When modifying this, make sure to keep it in sync with FontPlatformData::isForTextCombine()!
FontCascade compressedFont(description, style().fontCascade().letterSpacing(), style().fontCascade().wordSpacing());
compressedFont.update(fontSelector);
glyphOverflow.left = glyphOverflow.top = glyphOverflow.right = glyphOverflow.bottom = 0;
float runWidth = RenderText::width(0, textLength(), compressedFont, 0, nullptr, &glyphOverflow);
if (runWidth <= emWidth) {
combinedTextWidth = runWidth;
m_isCombined = true;
// Replace my font with the new one.
shouldUpdateFont = m_combineFontStyle->setFontDescription(description);
break;
}
float widthDelta = runWidth - emWidth;
if (widthDelta < bestFitDelta) {
bestFitDelta = widthDelta;
bestFitDescription = description;
}
}
}
if (!m_isCombined) {
float scaleFactor = std::max(0.4f, emWidth / (emWidth + bestFitDelta));
float originalSize = bestFitDescription.computedSize();
do {
float computedSize = originalSize * scaleFactor;
bestFitDescription.setComputedSize(computedSize);
shouldUpdateFont = m_combineFontStyle->setFontDescription(bestFitDescription);
FontCascade compressedFont(bestFitDescription, style().fontCascade().letterSpacing(), style().fontCascade().wordSpacing());
compressedFont.update(fontSelector);
glyphOverflow.left = glyphOverflow.top = glyphOverflow.right = glyphOverflow.bottom = 0;
float runWidth = RenderText::width(0, textLength(), compressedFont, 0, nullptr, &glyphOverflow);
if (runWidth <= emWidth) {
combinedTextWidth = runWidth;
m_isCombined = true;
break;
}
scaleFactor -= 0.05f;
} while (scaleFactor >= 0.4f);
}
if (shouldUpdateFont)
m_combineFontStyle->fontCascade().update(fontSelector);
if (m_isCombined) {
static NeverDestroyed<String> objectReplacementCharacterString(&objectReplacementCharacter, 1);
RenderText::setRenderedText(objectReplacementCharacterString.get());
m_combinedTextWidth = combinedTextWidth;
m_combinedTextAscent = glyphOverflow.top;
m_combinedTextDescent = glyphOverflow.bottom;
}
}
NS_IMETHODIMP
nsLeafBoxFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
// This is mostly a copy of nsBoxFrame::Reflow().
// We aren't able to share an implementation because of the frame
// class hierarchy. If you make changes here, please keep
// nsBoxFrame::Reflow in sync.
DO_GLOBAL_REFLOW_COUNT("nsLeafBoxFrame", aReflowState.reason);
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
NS_ASSERTION(aReflowState.mComputedWidth >=0 && aReflowState.mComputedHeight >= 0, "Computed Size < 0");
#ifdef DO_NOISY_REFLOW
printf("\n-------------Starting LeafBoxFrame Reflow ----------------------------\n");
printf("%p ** nsLBF::Reflow %d R: ", this, myCounter++);
switch (aReflowState.reason) {
case eReflowReason_Initial:
printf("Ini");break;
case eReflowReason_Incremental:
printf("Inc");break;
case eReflowReason_Resize:
printf("Rsz");break;
case eReflowReason_StyleChange:
printf("Sty");break;
case eReflowReason_Dirty:
printf("Drt ");
break;
default:printf("<unknown>%d", aReflowState.reason);break;
}
printSize("AW", aReflowState.availableWidth);
printSize("AH", aReflowState.availableHeight);
printSize("CW", aReflowState.mComputedWidth);
printSize("CH", aReflowState.mComputedHeight);
printf(" *\n");
#endif
aStatus = NS_FRAME_COMPLETE;
// create the layout state
nsBoxLayoutState state(aPresContext, aReflowState, aDesiredSize);
// coelesce reflows if we are root.
state.HandleReflow(this);
nsSize computedSize(aReflowState.mComputedWidth,aReflowState.mComputedHeight);
nsMargin m;
m = aReflowState.mComputedBorderPadding;
//GetBorderAndPadding(m);
// this happens sometimes. So lets handle it gracefully.
if (aReflowState.mComputedHeight == 0) {
nsSize minSize(0,0);
GetMinSize(state, minSize);
computedSize.height = minSize.height - m.top - m.bottom;
}
nsSize prefSize(0,0);
// if we are told to layout intrinic then get our preferred size.
if (computedSize.width == NS_INTRINSICSIZE || computedSize.height == NS_INTRINSICSIZE) {
nsSize minSize(0,0);
nsSize maxSize(0,0);
GetPrefSize(state, prefSize);
GetMinSize(state, minSize);
GetMaxSize(state, maxSize);
BoundsCheck(minSize, prefSize, maxSize);
}
// get our desiredSize
if (aReflowState.mComputedWidth == NS_INTRINSICSIZE) {
computedSize.width = prefSize.width;
} else {
computedSize.width += m.left + m.right;
}
if (aReflowState.mComputedHeight == NS_INTRINSICSIZE) {
computedSize.height = prefSize.height;
} else {
computedSize.height += m.top + m.bottom;
}
// handle reflow state min and max sizes
if (computedSize.width > aReflowState.mComputedMaxWidth)
computedSize.width = aReflowState.mComputedMaxWidth;
if (computedSize.height > aReflowState.mComputedMaxHeight)
computedSize.height = aReflowState.mComputedMaxHeight;
if (computedSize.width < aReflowState.mComputedMinWidth)
computedSize.width = aReflowState.mComputedMinWidth;
if (computedSize.height < aReflowState.mComputedMinHeight)
computedSize.height = aReflowState.mComputedMinHeight;
nsRect r(mRect.x, mRect.y, computedSize.width, computedSize.height);
SetBounds(state, r);
// layout our children
Layout(state);
// ok our child could have gotten bigger. So lets get its bounds
// get the ascent
nscoord ascent = mRect.height;
// Only call GetAscent when not doing Initial reflow while in PP
// or when it is Initial reflow while in PP and a chrome doc
// If called again with initial reflow it crashes because the
// frames are fully constructed (I think).
PRBool isChrome;
PRBool isInitialPP = nsBoxFrame::IsInitialReflowForPrintPreview(state, isChrome);
if (!isInitialPP || (isInitialPP && isChrome)) {
GetAscent(state, ascent);
}
aDesiredSize.width = mRect.width;
aDesiredSize.height = mRect.height;
aDesiredSize.ascent = ascent;
aDesiredSize.descent = 0;
// NS_FRAME_OUTSIDE_CHILDREN is set in SetBounds() above
if (mState & NS_FRAME_OUTSIDE_CHILDREN) {
nsRect* overflowArea = GetOverflowAreaProperty();
NS_ASSERTION(overflowArea, "Failed to set overflow area property");
aDesiredSize.mOverflowArea = *overflowArea;
}
// max sure the max element size reflects
// our min width
nscoord* maxElementWidth = state.GetMaxElementWidth();
if (maxElementWidth)
{
nsSize minSize(0,0);
GetMinSize(state, minSize);
if (mRect.width > minSize.width) {
if (aReflowState.mComputedWidth == NS_INTRINSICSIZE) {
*maxElementWidth = minSize.width;
} else {
*maxElementWidth = mRect.width;
}
} else {
*maxElementWidth = mRect.width;
}
}
#ifdef DO_NOISY_REFLOW
{
printf("%p ** nsLBF(done) W:%d H:%d ", this, aDesiredSize.width, aDesiredSize.height);
if (maxElementWidth) {
printf("MW:%d\n", *maxElementWidth);
} else {
printf("MW:?\n");
}
}
#endif
return NS_OK;
}