LayoutRect LayoutListMarker::selectionRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const
{
ASSERT(!needsLayout());
if (getSelectionState() == SelectionNone || !inlineBoxWrapper())
return LayoutRect();
RootInlineBox& root = inlineBoxWrapper()->root();
LayoutRect rect(LayoutUnit(), root.selectionTop() - location().y(), size().width(), root.selectionHeight());
mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, nullptr);
// FIXME: groupedMapping() leaks the squashing abstraction.
if (paintInvalidationContainer->layer()->groupedMapping())
PaintLayer::mapRectToPaintBackingCoordinates(paintInvalidationContainer, rect);
return rect;
}
bool InlineTextBox::hasWrappedSelectionNewline() const {
// TODO(wkorman): We shouldn't need layout at this point and it should be
// enforced by DocumentLifecycle. http://crbug.com/537821
// Bail out as currently looking up selection state can cause the editing code
// can force a re-layout while scrutinizing the editing position, and
// InlineTextBox instances are not guaranteed to survive a re-layout.
if (getLineLayoutItem().needsLayout())
return false;
SelectionState state = getSelectionState();
return (state == SelectionStart || state == SelectionInside)
// Checking last leaf child can be slow, so we make sure to do this
// only after the other simple conditionals.
&& (root().lastLeafChild() == this)
// It's possible to have mixed LTR/RTL on a single line, and we only
// want to paint a newline when we're the last leaf child and we make
// sure there isn't a differently-directioned box following us.
&& ((!isLeftToRightDirection() && root().firstSelectedBox() == this) ||
(isLeftToRightDirection() && root().lastSelectedBox() == this));
}
LayoutRect LayoutReplaced::localSelectionRect() const {
if (getSelectionState() == SelectionNone)
return LayoutRect();
if (!inlineBoxWrapper()) {
// We're a block-level replaced element. Just return our own dimensions.
return LayoutRect(LayoutPoint(), size());
}
RootInlineBox& root = inlineBoxWrapper()->root();
LayoutUnit newLogicalTop =
root.block().style()->isFlippedBlocksWritingMode()
? inlineBoxWrapper()->logicalBottom() - root.selectionBottom()
: root.selectionTop() - inlineBoxWrapper()->logicalTop();
if (root.block().style()->isHorizontalWritingMode())
return LayoutRect(LayoutUnit(), newLogicalTop, size().width(),
root.selectionHeight());
return LayoutRect(newLogicalTop, LayoutUnit(), root.selectionHeight(),
size().height());
}
