@Override
public Set<Rect> getRectsForNodeHighlight() {
Set<Rect> rects = new HashSet<>();
for (OptionScanNode child : mChildren) {
rects.addAll(child.getRectsForNodeHighlight());
}
return Collections.unmodifiableSet(rects);
}
/**
* Print a tree to a specified stream. This method is intended for debugging.
*
* @param tree The tree to print
* @param printStream The stream to which to print
* @param prefix Any prefix that should be prepended to each line.
*/
@SuppressWarnings("unused")
public static void printTree(OptionScanNode tree, PrintStream printStream, String prefix) {
String treeClassName = tree.getClass().getSimpleName();
if (tree instanceof AccessibilityNodeActionNode) {
Iterator<Rect> rects = tree.getRectsForNodeHighlight().iterator();
if (rects.hasNext()) {
Rect rect = rects.next();
printStream.println(prefix + treeClassName + " with rect: " + rect.toString());
}
return;
}
printStream.println(prefix + treeClassName);
if (tree instanceof OptionScanSelectionNode) {
OptionScanSelectionNode selectionNode = (OptionScanSelectionNode) tree;
for (int i = 0; i < selectionNode.getChildCount(); ++i) {
printTree(selectionNode.getChild(i), printStream, prefix + "-");
}
}
}