static bool isSelectionInDocument(const VisibleSelectionTemplate<Strategy>& visibleSelection, const Document& document)
{
const PositionTemplate<Strategy> start = visibleSelection.start();
if (start.isNotNull() && (!start.inDocument() || start.document() != document))
return false;
const PositionTemplate<Strategy> end = visibleSelection.end();
if (end.isNotNull() && (!end.inDocument() || end.document() != document))
return false;
const PositionTemplate<Strategy> extent = visibleSelection.extent();
if (extent.isNotNull() && (!extent.inDocument() || extent.document() != document))
return false;
return true;
}
String CreateMarkupAlgorithm<Strategy>::createMarkup(
const PositionTemplate<Strategy>& startPosition,
const PositionTemplate<Strategy>& endPosition,
EAnnotateForInterchange shouldAnnotate,
ConvertBlocksToInlines convertBlocksToInlines,
EAbsoluteURLs shouldResolveURLs,
Node* constrainingAncestor) {
if (startPosition.isNull() || endPosition.isNull())
return emptyString();
RELEASE_ASSERT(startPosition.compareTo(endPosition) <= 0);
bool collapsed = startPosition == endPosition;
if (collapsed)
return emptyString();
Node* commonAncestor =
Strategy::commonAncestor(*startPosition.computeContainerNode(),
*endPosition.computeContainerNode());
if (!commonAncestor)
return emptyString();
Document* document = startPosition.document();
DCHECK(!document->needsLayoutTreeUpdate());
DocumentLifecycle::DisallowTransitionScope disallowTransition(
document->lifecycle());
HTMLElement* specialCommonAncestor = highestAncestorToWrapMarkup<Strategy>(
startPosition, endPosition, shouldAnnotate, constrainingAncestor);
StyledMarkupSerializer<Strategy> serializer(
shouldResolveURLs, shouldAnnotate, startPosition, endPosition,
specialCommonAncestor, convertBlocksToInlines);
return serializer.createMarkup();
}
