// Execute a query in "spatial" order starting at |queryRoot|. This means
// walking the lines boxes in the order they would get painted.
static void spatialQuery(LayoutObject* queryRoot, QueryData* queryData, ProcessTextFragmentCallback fragmentCallback)
{
Vector<SVGInlineTextBox*> textBoxes;
collectTextBoxesInFlowBox(flowBoxForLayoutObject(queryRoot), textBoxes);
// Loop over all text boxes
for (const SVGInlineTextBox* textBox : textBoxes) {
if (queryTextBox(queryData, textBox, fragmentCallback))
return;
}
}
void SVGTextQuery::collectTextBoxesInFlowBox(InlineFlowBox* flowBox)
{
if (!flowBox)
return;
for (InlineBox* child = flowBox->firstChild(); child; child = child->nextOnLine()) {
if (child->isInlineFlowBox()) {
// Skip generated content.
if (!child->renderer()->node())
continue;
collectTextBoxesInFlowBox(toInlineFlowBox(child));
continue;
}
if (child->isSVGInlineTextBox())
m_textBoxes.append(toSVGInlineTextBox(child));
}
}
static void collectTextBoxesInFlowBox(InlineFlowBox* flowBox, Vector<SVGInlineTextBox*>& textBoxes)
{
if (!flowBox)
return;
for (InlineBox* child = flowBox->firstChild(); child; child = child->nextOnLine()) {
if (child->isInlineFlowBox()) {
// Skip generated content.
if (!child->layoutObject().node())
continue;
collectTextBoxesInFlowBox(toInlineFlowBox(child), textBoxes);
continue;
}
if (child->isSVGInlineTextBox())
textBoxes.append(toSVGInlineTextBox(child));
}
}
SVGTextQuery::SVGTextQuery(RenderObject* renderer)
{
collectTextBoxesInFlowBox(flowBoxForRenderer(renderer));
}