private void refreshList() {
if (Utils.isOnline(getActivity())) {
getActivity().getContentResolver().delete(Contract.Nodes.CONTENT_URI, null, null);
currentBatch = 1;
updateManager.startUpdating(UpdateManager.UpdateType.NODES, LOAD_LIMIT, 0);
setRefreshIndicationState(true);
// TODO: Load only unacknowledged alarms here.
updateManager.startUpdating(UpdateManager.UpdateType.ALARMS, 0, 0);
} else {
Toast.makeText(getActivity(), getString(R.string.refresh_failed_offline), Toast.LENGTH_LONG)
.show();
}
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
if (updateManager.isUpdating(UpdateManager.UpdateType.NODES)) {
return;
}
if (scrollState == SCROLL_STATE_IDLE) {
if (getListView().getLastVisiblePosition() >= getListView().getCount() - SCROLL_THRESHOLD) {
// TODO: Add search support
updateManager.startUpdating(
UpdateManager.UpdateType.NODES, LOAD_LIMIT, LOAD_LIMIT * currentBatch);
currentBatch++;
setRefreshIndicationState(true);
}
}
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
adapter.swapCursor(cursor);
if (isDualPane) {
if (cursor.moveToFirst()) {
/** If list is not empty, trying to restore previously displayed details. */
restoreHandler.sendEmptyMessage(0);
} else {
/** If list became empty, removing previously displayed details */
removeDetailsHandler.sendEmptyMessage(0);
}
}
/** If there is no sync going and list is empty, refreshing list. */
Account account = AccountService.getAccount();
if (account != null) {
boolean syncActive = ContentResolver.isSyncActive(account, Contract.CONTENT_AUTHORITY);
boolean syncPending = ContentResolver.isSyncPending(account, Contract.CONTENT_AUTHORITY);
if (!cursor.moveToFirst() && firstLoad && !(syncActive || syncPending)) {
refreshList();
}
}
firstLoad = false;
setRefreshIndicationState(updateManager.isUpdating(UpdateManager.UpdateType.ALARMS));
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
boolean isDrawerOpen = ((BaseActivity) getActivity()).isDrawerOpen();
MenuItem refreshItem = menu.findItem(R.id.menu_refresh);
refreshItem.setVisible(!isDrawerOpen);
setRefreshIndicationState(updateManager.isUpdating(UpdateManager.UpdateType.ALARMS));
}
private void refreshList() {
if (Utils.isOnline(getActivity())) {
getActivity().getContentResolver().delete(Contract.Alarms.CONTENT_URI, null, null);
updateManager.startUpdating(UpdateManager.UpdateType.ALARMS, LOAD_LIMIT, 0);
setRefreshIndicationState(true);
} else {
Toast.makeText(getActivity(), getString(R.string.refresh_failed_offline), Toast.LENGTH_LONG)
.show();
}
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
adapter.swapCursor(cursor);
if (cursor.moveToFirst()) {
if (isDualPane) {
/** If list is not empty, trying to restore previously displayed details. */
restoreHandler.sendEmptyMessage(0);
}
} else {
/** If list is empty, refreshing it. */
if (firstLoad) {
refreshList();
}
}
firstLoad = false;
setRefreshIndicationState(updateManager.isUpdating(UpdateManager.UpdateType.NODES));
currentBatch = getListView().getCount() / LOAD_LIMIT;
}
@Override
public void onResume() {
super.onResume();
setRefreshIndicationState(updateManager.isUpdating(UpdateManager.UpdateType.ALARMS));
}
@Override
public void onResume() {
super.onResume();
getActivity().getSupportLoaderManager().restartLoader(LOADER_ID, null, this);
setRefreshIndicationState(updateManager.isUpdating(UpdateManager.UpdateType.NODES));
}