@Override
public Set<Rect> getRectsForNodeHighlight() {
Set<Rect> rects = new HashSet<>();
for (OptionScanNode child : mChildren) {
rects.addAll(child.getRectsForNodeHighlight());
}
return Collections.unmodifiableSet(rects);
}
/**
* Selection nodes must be constructed with at least two things to select between
*
* @param child0 The first item to select
* @param child1 The second item to select
* @param otherChildren Any other items to select
*/
public OptionScanSelectionNode(
OptionScanNode child0, OptionScanNode child1, OptionScanNode... otherChildren) {
mChildren = new OptionScanNode[otherChildren.length + 2];
mChildren[0] = child0;
mChildren[1] = child1;
System.arraycopy(otherChildren, 0, mChildren, 2, otherChildren.length);
for (OptionScanNode child : mChildren) {
child.setParent(this);
}
}
@Override
public boolean equals(Object other) {
if (!(other instanceof OptionScanSelectionNode)) {
return false;
}
OptionScanSelectionNode otherNode = (OptionScanSelectionNode) other;
if (otherNode.getChildCount() != getChildCount()) {
return false;
}
for (int i = 0; i < mChildren.length; i++) {
OptionScanNode child = mChildren[i];
if (!child.equals(otherNode.getChild(i))) {
return false;
}
}
return true;
}
/**
* 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 + "-");
}
}
}
@Override
public void recycle() {
for (OptionScanNode child : mChildren) {
child.recycle();
}
}