@Override
protected void onStartLoading() {
if (DEBUG) {
Log.i(LOG_TAG, "onStartLoading()");
}
// If we already have a result, deliver it immediately.
if (!mPrintJobs.isEmpty()) {
deliverResult(new ArrayList<PrintJobInfo>(mPrintJobs));
}
// Start watching for changes.
if (mPrintJobStateChangeListener == null) {
mPrintJobStateChangeListener =
new PrintJobStateChangeListener() {
@Override
public void onPrintJobStateChanged(PrintJobId printJobId) {
onForceLoad();
}
};
mPrintManager.addPrintJobStateChangeListener(mPrintJobStateChangeListener);
}
// If the data changed or we have no data - load it now.
if (mPrintJobs.isEmpty()) {
onForceLoad();
}
}
@Override
public void setListening(boolean isListening) {
if (mPrintManager != null) {
if (isListening) {
mPrintManager.addPrintJobStateChangeListener(this);
onPrintJobStateChanged(null);
} else {
mPrintManager.removePrintJobStateChangeListener(this);
}
}
}