void RenderReplaced::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
ASSERT(needsLayout());
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
setHeight(minimumReplacedHeight());
updateLogicalWidth();
updateLogicalHeight();
// Now that we've calculated our preferred layout, we check to see
// if we should further constrain sizing to the intrinsic aspect ratio.
if (style().aspectRatioType() == AspectRatioFromIntrinsic && !m_intrinsicSize.isEmpty()) {
float aspectRatio = m_intrinsicSize.aspectRatio();
LayoutSize frameSize = size();
float frameAspectRatio = frameSize.aspectRatio();
if (frameAspectRatio < aspectRatio)
setHeight(computeReplacedLogicalHeightRespectingMinMaxHeight(frameSize.height() * frameAspectRatio / aspectRatio));
else if (frameAspectRatio > aspectRatio)
setWidth(computeReplacedLogicalWidthRespectingMinMaxWidth(frameSize.width() * aspectRatio / frameAspectRatio, ComputePreferred));
}
clearOverflow();
addVisualEffectOverflow();
updateLayerTransform();
invalidateBackgroundObscurationStatus();
repainter.repaintAfterLayout();
clearNeedsLayout();
}
void RenderReplaced::layout()
{
ASSERT(needsLayout());
setHeight(minimumReplacedHeight());
updateLogicalWidth();
updateLogicalHeight();
m_overflow.clear();
addVisualEffectOverflow();
updateLayerTransformAfterLayout();
clearNeedsLayout();
}
void RenderSVGRoot::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
LayoutStateDisabler layoutStateDisabler(*this);
bool needsLayout = selfNeedsLayout();
LayoutRepainter repainter(*this, checkForRepaintDuringLayout() && needsLayout);
LayoutSize oldSize = size();
updateLogicalWidth();
updateLogicalHeight();
buildLocalToBorderBoxTransform();
SVGRenderSupport::layoutResourcesIfNeeded(this);
SVGSVGElement* svg = toSVGSVGElement(node());
ASSERT(svg);
m_isLayoutSizeChanged = needsLayout || (svg->hasRelativeLengths() && oldSize != size());
SVGRenderSupport::layoutChildren(this, needsLayout || SVGRenderSupport::filtersForceContainerLayout(this));
// At this point LayoutRepainter already grabbed the old bounds,
// recalculate them now so repaintAfterLayout() uses the new bounds.
if (m_needsBoundariesOrTransformUpdate) {
updateCachedBoundaries();
m_needsBoundariesOrTransformUpdate = false;
}
m_overflow.clear();
addVisualEffectOverflow();
if (!shouldApplyViewportClip()) {
FloatRect contentRepaintRect = repaintRectInLocalCoordinates();
contentRepaintRect = m_localToBorderBoxTransform.mapRect(contentRepaintRect);
addVisualOverflow(enclosingLayoutRect(contentRepaintRect));
}
updateLayerTransform();
m_hasBoxDecorations = isDocumentElement() ? calculateHasBoxDecorations() : hasBoxDecorations();
invalidateBackgroundObscurationStatus();
repainter.repaintAfterLayout();
clearNeedsLayout();
}
void RenderReplaced::layout()
{
ASSERT(needsLayout());
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
setHeight(minimumReplacedHeight());
computeLogicalWidth();
computeLogicalHeight();
m_overflow.clear();
addVisualEffectOverflow();
updateLayerTransform();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void RenderReplaced::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
ASSERT(needsLayout());
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
setHeight(minimumReplacedHeight());
updateLogicalWidth();
updateLogicalHeight();
clearOverflow();
addVisualEffectOverflow();
updateLayerTransform();
invalidateBackgroundObscurationStatus();
repainter.repaintAfterLayout();
clearNeedsLayout();
}
void RenderSVGRoot::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
ForceHorriblySlowRectMapping slowRectMapping(*this);
bool needsLayout = selfNeedsLayout();
LayoutSize oldSize = size();
updateLogicalWidth();
updateLogicalHeight();
buildLocalToBorderBoxTransform();
SVGRenderSupport::layoutResourcesIfNeeded(this);
SVGSVGElement* svg = toSVGSVGElement(node());
ASSERT(svg);
m_isLayoutSizeChanged = needsLayout || (svg->hasRelativeLengths() && oldSize != size());
SVGRenderSupport::layoutChildren(this, needsLayout || SVGRenderSupport::filtersForceContainerLayout(this));
if (m_needsBoundariesOrTransformUpdate) {
updateCachedBoundaries();
m_needsBoundariesOrTransformUpdate = false;
}
m_overflow.clear();
addVisualEffectOverflow();
if (!shouldApplyViewportClip()) {
FloatRect contentRepaintRect = paintInvalidationRectInLocalCoordinates();
contentRepaintRect = m_localToBorderBoxTransform.mapRect(contentRepaintRect);
addVisualOverflow(enclosingLayoutRect(contentRepaintRect));
}
updateLayerTransformAfterLayout();
m_hasBoxDecorationBackground = isDocumentElement() ? calculateHasBoxDecorations() : hasBoxDecorationBackground();
invalidateBackgroundObscurationStatus();
clearNeedsLayout();
}
void RenderReplaced::layout()
{
ASSERT(needsLayout());
LayoutRect oldContentRect = replacedContentRect();
setHeight(minimumReplacedHeight());
updateLogicalWidth();
updateLogicalHeight();
m_overflow.clear();
addVisualEffectOverflow();
updateLayerTransformAfterLayout();
invalidateBackgroundObscurationStatus();
clearNeedsLayout();
if (replacedContentRect() != oldContentRect)
setShouldDoFullPaintInvalidation();
}
void LayoutReplaced::layout()
{
ASSERT(needsLayout());
LayoutAnalyzer::Scope analyzer(*this);
LayoutRect oldContentRect = replacedContentRect();
setHeight(minimumReplacedHeight());
updateLogicalWidth();
updateLogicalHeight();
m_overflow.clear();
addVisualEffectOverflow();
updateLayerTransformAfterLayout();
invalidateBackgroundObscurationStatus();
clearNeedsLayout();
if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled() && replacedContentRect() != oldContentRect)
setShouldDoFullPaintInvalidation();
}
void LayoutSVGText::layout()
{
ASSERT(needsLayout());
LayoutAnalyzer::Scope analyzer(*this);
subtreeStyleDidChange();
bool updateCachedBoundariesInParents = false;
if (m_needsTransformUpdate) {
m_localTransform = toSVGTextElement(node())->calculateAnimatedLocalTransform();
m_needsTransformUpdate = false;
updateCachedBoundariesInParents = true;
}
if (!everHadLayout()) {
// When laying out initially, collect all layout attributes, build the character data map,
// and propogate resulting SVGLayoutAttributes to all LayoutSVGInlineText children in the subtree.
ASSERT(m_layoutAttributes.isEmpty());
collectLayoutAttributes(this, m_layoutAttributes);
updateFontInAllDescendants(this);
m_layoutAttributesBuilder.buildLayoutAttributesForForSubtree(*this);
m_needsReordering = true;
m_needsTextMetricsUpdate = false;
m_needsPositioningValuesUpdate = false;
updateCachedBoundariesInParents = true;
} else if (m_needsPositioningValuesUpdate) {
// When the x/y/dx/dy/rotate lists change, recompute the layout attributes, and eventually
// update the on-screen font objects as well in all descendants.
if (m_needsTextMetricsUpdate) {
updateFontInAllDescendants(this);
m_needsTextMetricsUpdate = false;
}
m_layoutAttributesBuilder.buildLayoutAttributesForForSubtree(*this);
m_needsReordering = true;
m_needsPositioningValuesUpdate = false;
updateCachedBoundariesInParents = true;
} else if (m_needsTextMetricsUpdate || SVGLayoutSupport::findTreeRootObject(this)->isLayoutSizeChanged()) {
// If the root layout size changed (eg. window size changes) or the transform to the root
// context has changed then recompute the on-screen font size.
updateFontInAllDescendants(this, &m_layoutAttributesBuilder);
ASSERT(!m_needsReordering);
ASSERT(!m_needsPositioningValuesUpdate);
m_needsTextMetricsUpdate = false;
updateCachedBoundariesInParents = true;
}
checkLayoutAttributesConsistency(this, m_layoutAttributes);
// Reduced version of LayoutBlock::layoutBlock(), which only takes care of SVG text.
// All if branches that could cause early exit in LayoutBlocks layoutBlock() method are turned into assertions.
ASSERT(!isInline());
ASSERT(!simplifiedLayout());
ASSERT(!scrollsOverflow());
ASSERT(!hasControlClip());
ASSERT(!positionedObjects());
ASSERT(!isAnonymousBlock());
if (!firstChild())
setChildrenInline(true);
// FIXME: We need to find a way to only layout the child boxes, if needed.
FloatRect oldBoundaries = objectBoundingBox();
ASSERT(childrenInline());
rebuildFloatsFromIntruding();
LayoutUnit beforeEdge = borderBefore() + paddingBefore();
LayoutUnit afterEdge = borderAfter() + paddingAfter() + scrollbarLogicalHeight();
setLogicalHeight(beforeEdge);
LayoutState state(*this, locationOffset());
LayoutUnit paintInvalidationLogicalTop = 0;
LayoutUnit paintInvalidationLogicalBottom = 0;
layoutInlineChildren(true, paintInvalidationLogicalTop, paintInvalidationLogicalBottom, afterEdge);
if (m_needsReordering)
m_needsReordering = false;
// If we don't have any line boxes, then make sure the frame rect is still cleared.
if (!firstLineBox())
setFrameRect(LayoutRect());
m_overflow.clear();
addVisualEffectOverflow();
if (!updateCachedBoundariesInParents)
updateCachedBoundariesInParents = oldBoundaries != objectBoundingBox();
// Invalidate all resources of this client if our layout changed.
if (everHadLayout() && selfNeedsLayout())
SVGResourcesCache::clientLayoutChanged(this);
// If our bounds changed, notify the parents.
if (updateCachedBoundariesInParents)
LayoutSVGBlock::setNeedsBoundariesUpdate();
clearNeedsLayout();
}