org.klnusbaum.udj.ArtistsDisplayFragment.java Source code

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Here is the source code for org.klnusbaum.udj.ArtistsDisplayFragment.java

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/**
 * Copyright 2011 Kurtis L. Nusbaum
 * 
 * This file is part of UDJ.
 * 
 * UDJ is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 * 
 * UDJ is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with UDJ.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.klnusbaum.udj;

import android.accounts.Account;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.view.View;
import android.view.ViewGroup;
import android.view.LayoutInflater;
import android.content.Intent;
import android.app.SearchManager;
import android.widget.ListView;
import android.util.Log;
import android.app.Activity;
import android.accounts.Account;

import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.support.v4.app.ListFragment;

import java.util.List;

public class ArtistsDisplayFragment extends ListFragment
        implements LoaderManager.LoaderCallbacks<ArtistsLoader.ArtistsResult> {
    private static final int ARTISTS_LOADER_TAG = 0;

    private static final String TAG = "ArtistsDisplayFragment";

    private int previousVisiblePosition;
    private int previousVisibleIndex;
    private List<String> currentArtistsList;

    //private ArtistsAdapter artistsAdapter;
    private ArrayAdapter<String> artistsAdapter;

    private Account getAccount() {
        return (Account) getArguments().getParcelable(Constants.ACCOUNT_EXTRA);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        Log.d(TAG, "Attaching artist view");
        artistsAdapter = new ArrayAdapter<String>(getActivity(), R.layout.artist_list_item, R.id.artist_name);
        getLoaderManager().initLoader(ARTISTS_LOADER_TAG, null, this);
        setListAdapter(artistsAdapter);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        setEmptyText(getActivity().getString(R.string.no_artists));

        setListShown(false);
        getListView().setTextFilterEnabled(true);
    }

    public Loader<ArtistsLoader.ArtistsResult> onCreateLoader(int id, Bundle args) {
        Log.d(TAG, "In creation of loader");
        if (id == ARTISTS_LOADER_TAG) {
            return new ArtistsLoader(getActivity(), getAccount());
        }
        return null;
    }

    public void onLoadFinished(Loader<ArtistsLoader.ArtistsResult> loader, ArtistsLoader.ArtistsResult data) {
        Log.d(TAG, "In loader finshed");
        if (data.error == ArtistsLoader.ArtistsError.NO_ERROR) {
            if (currentArtistsList == null || !currentArtistsList.equals(data.res)) {
                Log.d(TAG, "Changing artist list");
                currentArtistsList = data.res;
                artistsAdapter.clear();
                //Add all not available until API 11, oh well
                //artistsAdapter.addAll(data.res);
                for (String artist : data.res) {
                    artistsAdapter.add(artist);
                }
            }
        } else if (data.error == ArtistsLoader.ArtistsError.PLAYER_INACTIVE_ERROR) {
            Utils.handleInactivePlayer(getActivity(), getAccount());
        } else if (data.error == ArtistsLoader.ArtistsError.NO_LONGER_IN_PLAYER_ERROR) {
            Utils.handleNoLongerInPlayer(getActivity(), getAccount());
        } else if (data.error == ArtistsLoader.ArtistsError.KICKED_ERROR) {
            Utils.handleKickedFromPlayer(getActivity(), getAccount());
        }

        if (isResumed()) {
            setListShown(true);
        } else if (isVisible()) {
            setListShownNoAnimation(true);
        }
    }

    public void onLoaderReset(Loader<ArtistsLoader.ArtistsResult> loader) {
        Log.d(TAG, "Loader Was reset");
        setListAdapter(null);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        Log.d(TAG, "In on list item clicked");
        final String artist = (String) artistsAdapter.getItem(position);
        Intent artistIntent = new Intent(Intent.ACTION_SEARCH);
        artistIntent.setClass(getActivity(), ArtistSearchActivity.class);
        artistIntent.putExtra(SearchManager.QUERY, artist);
        startActivityForResult(artistIntent, 0);
    }

}