net.peterkuterna.android.apps.devoxxfrsched.ui.TracksFragment.java Source code

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Here is the source code for net.peterkuterna.android.apps.devoxxfrsched.ui.TracksFragment.java

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/*
 * Copyright 2011 Google Inc.
 * Copyright 2011 Peter Kuterna
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.peterkuterna.android.apps.devoxxfrsched.ui;

import com.actionbarsherlock.app.SherlockListFragment;

import net.peterkuterna.android.apps.devoxxfrsched.R;
import net.peterkuterna.android.apps.devoxxfrsched.provider.CfpContract;
import net.peterkuterna.android.apps.devoxxfrsched.util.ActivityHelper;
import net.peterkuterna.android.apps.devoxxfrsched.util.AnalyticsUtils;
import net.peterkuterna.android.apps.devoxxfrsched.util.UIUtils;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.View;
import android.widget.ListView;

public class TracksFragment extends SherlockListFragment implements LoaderManager.LoaderCallbacks<Cursor> {

    private TracksAdapter mAdapter;
    private Uri mTracksUri;

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

        AnalyticsUtils.getInstance(getActivity()).trackPageView("/Tracks");

        final Intent intent = ActivityHelper.fragmentArgumentsToIntent(getArguments());
        mTracksUri = intent.getData();
    }

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

        setEmptyText(getString(R.string.empty_tracks));

        mAdapter = new TracksAdapter(getActivity(), null);
        mAdapter.setHasAllItem(true);
        setListAdapter(mAdapter);

        setListShown(false);

        getLoaderManager().initLoader(TracksAdapter.TracksQuery._TOKEN, null, this);
    }

    @Override
    public void onResume() {
        super.onResume();

        getLoaderManager().restartLoader(TracksAdapter.TracksQuery._TOKEN, null, this);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        final Cursor cursor = (Cursor) mAdapter.getItem(position);
        final String trackId;
        final String trackName;
        final int trackColor;

        if (cursor != null) {
            trackId = cursor.getString(TracksAdapter.TracksQuery.TRACK_ID);
            trackName = cursor.getString(TracksAdapter.TracksQuery.TRACK_NAME);
            trackColor = cursor.getInt(TracksAdapter.TracksQuery.TRACK_COLOR);
        } else {
            trackId = CfpContract.Tracks.ALL_TRACK_ID;
            trackName = null;
            trackColor = -1;
        }

        AnalyticsUtils.getInstance(getActivity()).trackEvent("Tracks", "Click",
                trackName != null ? trackName : "All Sessions", 0);

        final Intent intent = new Intent(Intent.ACTION_VIEW);
        final Uri trackUri = CfpContract.Tracks.buildTrackUri(trackId);
        intent.putExtra(SessionsFragment.EXTRA_TRACK, trackUri);
        intent.putExtra(Intent.EXTRA_TITLE, trackName);
        intent.putExtra(SessionsFragment.EXTRA_TRACK_COLOR, trackColor);

        if (cursor == null) {
            intent.setData(CfpContract.Sessions.CONTENT_URI);
        } else {
            intent.setData(CfpContract.Tracks.buildSessionsUri(trackId));
        }

        ((BaseActivity) getActivity()).openActivityOrFragment(intent);

        if (UIUtils.isHoneycombTablet(getActivity())) {
            getListView().setItemChecked(position, true);
        }
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        final String[] projection = TracksAdapter.TracksQuery.PROJECTION_WITH_SESSIONS_COUNT;
        return new CursorLoader(getActivity(), mTracksUri, projection, null, null, CfpContract.Tracks.DEFAULT_SORT);
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        mAdapter.swapCursor(data);

        if (getView() != null) {
            if (isResumed()) {
                setListShown(true);
            } else {
                setListShownNoAnimation(true);
            }
        }
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        mAdapter.swapCursor(null);
    }

}