// Note this comparator is not consistent with equals in Label, we should just implement
// compareTo there, but will wait for BrailleBack to be merged with TalkBack
@Override
public int compare(Label first, Label second) {
if (first == null) {
if (second == null) {
return 0;
} else {
return -1;
}
}
if (second == null) return 1;
int ret = first.getPackageName().compareTo(second.getPackageName());
if (ret != 0) return ret;
return first.getViewName().compareTo(second.getViewName());
}
/**
* Retrieves a {@link Label} from the label cache given a fully-qualified resource identifier
* name.
*
* @param resourceName The fully-qualified resource identifier, such as
* "com.android.deskclock:id/analog_appwidget", as provided by {@link
* AccessibilityNodeInfo#getViewIdResourceName()}
* @return The {@link Label} matching the provided identifier, or {@code null} if no such label
* exists or has not yet been fetched from storage
*/
public Label getLabelForViewIdFromCache(String resourceName) {
if (!isInitialized()) {
return null;
}
Pair<String, String> parsedId = splitResourceName(resourceName);
if (parsedId == null) {
return null;
}
Label search = new Label(parsedId.first, null, parsedId.second, null, null, 0, null, 0);
Label result = mLabelCache.ceiling(search);
// TODO: This can be done much simplier with modifying equals in Label but want to wait
// until BrailleBack is integrate to ensure compatibility
if (result != null
&& search.getViewName() != null
&& search.getViewName().equals(result.getViewName())
&& search.getPackageName() != null
&& search.getPackageName().equals(result.getPackageName())) {
return result;
}
return null;
}