void DocumentMarkerController::removeMarkersFromList(MarkerMap::iterator iterator, DocumentMarker::MarkerTypes markerTypes)
{
bool needsRepainting = false;
bool listCanBeRemoved;
if (markerTypes == DocumentMarker::AllMarkers()) {
needsRepainting = true;
listCanBeRemoved = true;
} else {
MarkerList* list = iterator->value.get();
for (size_t i = 0; i != list->size(); ) {
DocumentMarker marker = list->at(i);
// skip nodes that are not of the specified type
if (!markerTypes.contains(marker.type())) {
++i;
continue;
}
// pitch the old marker
list->remove(i);
needsRepainting = true;
// i now is the index of the next marker
}
listCanBeRemoved = list->isEmpty();
}
if (needsRepainting) {
if (auto renderer = iterator->key->renderer())
renderer->repaint();
}
if (listCanBeRemoved) {
m_markers.remove(iterator);
if (m_markers.isEmpty())
m_possiblyExistingMarkerTypes = 0;
}
}
void DocumentMarkerController::removeMarkers(Node* node, unsigned startOffset, int length, DocumentMarker::MarkerTypes markerTypes, RemovePartiallyOverlappingMarkerOrNot shouldRemovePartiallyOverlappingMarker)
{
if (length <= 0)
return;
if (!possiblyHasMarkers(markerTypes))
return;
ASSERT(!(m_markers.isEmpty()));
MarkerList* list = m_markers.get(node);
if (!list)
return;
bool docDirty = false;
unsigned endOffset = startOffset + length;
for (size_t i = 0; i < list->size();) {
DocumentMarker marker = list->at(i);
// markers are returned in order, so stop if we are now past the specified range
if (marker.startOffset() >= endOffset)
break;
// skip marker that is wrong type or before target
if (marker.endOffset() <= startOffset || !markerTypes.contains(marker.type())) {
i++;
continue;
}
// at this point we know that marker and target intersect in some way
docDirty = true;
// pitch the old marker
list->remove(i);
if (shouldRemovePartiallyOverlappingMarker)
// Stop here. Don't add resulting slices back.
continue;
// add either of the resulting slices that are left after removing target
if (startOffset > marker.startOffset()) {
DocumentMarker newLeft = marker;
newLeft.setEndOffset(startOffset);
list->insert(i, RenderedDocumentMarker(newLeft));
// i now points to the newly-inserted node, but we want to skip that one
i++;
}
if (marker.endOffset() > endOffset) {
DocumentMarker newRight = marker;
newRight.setStartOffset(endOffset);
list->insert(i, RenderedDocumentMarker(newRight));
// i now points to the newly-inserted node, but we want to skip that one
i++;
}
}
if (list->isEmpty()) {
m_markers.remove(node);
if (m_markers.isEmpty())
m_possiblyExistingMarkerTypes = 0;
}
// repaint the affected node
if (docDirty && node->renderer())
node->renderer()->repaint();
}