Files
i2p.i2p-bote.android/src/i2p/bote/android/addressbook/AddressBookFragment.java
2014-05-15 02:54:32 +00:00

143 lines
4.1 KiB
Java

package i2p.bote.android.addressbook;
import i2p.bote.I2PBote;
import i2p.bote.android.R;
import i2p.bote.android.util.BetterAsyncTaskLoader;
import i2p.bote.fileencryption.PasswordException;
import i2p.bote.packet.dht.Contact;
import java.util.SortedSet;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
public class AddressBookFragment extends ListFragment implements
LoaderManager.LoaderCallbacks<SortedSet<Contact>> {
OnContactSelectedListener mCallback;
private ContactAdapter mAdapter;
// Container Activity must implement this interface
public interface OnContactSelectedListener {
public void onContactSelected(Contact contact);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
// This makes sure that the container activity has implemented
// the callback interface. If not, it throws an exception
try {
mCallback = (OnContactSelectedListener) activity;
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString()
+ " must implement OnContactSelectedListener");
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mAdapter = new ContactAdapter(getActivity());
setListAdapter(mAdapter);
setListShown(false);
setEmptyText(getResources().getString(
R.string.address_book_empty));
getLoaderManager().initLoader(0, null, this);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.address_book_list, menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_new_contact:
Intent nci = new Intent(getActivity(), EditContactActivity.class);
startActivity(nci);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void onListItemClick(ListView parent, View view, int pos, long id) {
mCallback.onContactSelected(mAdapter.getItem(pos));
}
// LoaderManager.LoaderCallbacks<SortedSet<Contact>>
public Loader<SortedSet<Contact>> onCreateLoader(int id, Bundle args) {
return new AddressBookLoader(getActivity());
}
private static class AddressBookLoader extends BetterAsyncTaskLoader<SortedSet<Contact>> {
public AddressBookLoader(Context context) {
super(context);
}
@Override
public SortedSet<Contact> loadInBackground() {
SortedSet<Contact> contacts = null;
try {
contacts = I2PBote.getInstance().getAddressBook().getAll();
} catch (PasswordException e) {
// TODO handle, but should not get here
e.printStackTrace();
}
return contacts;
}
@Override
protected void onStartMonitoring() {
}
@Override
protected void onStopMonitoring() {
}
@Override
protected void releaseResources(SortedSet<Contact> data) {
}
}
@Override
public void onLoadFinished(Loader<SortedSet<Contact>> loader,
SortedSet<Contact> data) {
mAdapter.setData(data);
if (isResumed()) {
setListShown(true);
} else {
setListShownNoAnimation(true);
}
}
@Override
public void onLoaderReset(Loader<SortedSet<Contact>> loader) {
mAdapter.setData(null);
}
}