ReviewSleepActivity.java

package com.androsz.electricsleepbeta.app;

import android.app.AlertDialog;
import android.content.ContentUris;
import android.content.DialogInterface;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;

import com.actionbarsherlock.view.MenuItem;
import com.androsz.electricsleepbeta.R;
import com.androsz.electricsleepbeta.db.SleepSession;

public class ReviewSleepActivity extends HostActivity implements
        LoaderManager.LoaderCallbacks<Cursor> {

    private static final String TAG = ReviewSleepActivity.class.getSimpleName();

    private static final int LOADER_SLEEP = 0;

    private ReviewSleepFragment mSleepFragment;
    private SleepSession mSleepRecord;

    private DeleteSleepTask mDeleteSleepTask;

    @Override
    protected int getContentAreaLayoutId() {
        return R.layout.activity_review_sleep;
    }

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

        mDeleteSleepTask = new DeleteSleepTask(this);

        Log.d(TAG, "Creating sleep fragment.");
        mSleepFragment = new ReviewSleepFragment();
        getSupportFragmentManager().beginTransaction()
                .replace(R.id.fragment_review_sleep, mSleepFragment).commit();
        getSupportLoaderManager().initLoader(LOADER_SLEEP, null, this);
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        final Uri uri = getIntent().getData();
        Log.d(TAG, "Creating loader: " + uri);
        return new CursorLoader(this, uri, null, null, null, null);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        Log.d(TAG, "Loader reset.");
        loader.stopLoading();
        finish();
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        Log.d(TAG, "Load finished.");
        if (data.moveToLast()) {
            // WARNING - there is assumption here that the cursor's first column
            // is its primary key.
            getIntent().setData(
                    ContentUris.withAppendedId(SleepSession.CONTENT_URI,
                            data.getLong(0)));
            mSleepRecord = new SleepSession(data);
            mSleepFragment.setSleepRecord(mSleepRecord);
        } else {
            finish();
            /*Toast.makeText(
                    this,
                    "Could not display the correct Sleep record. This error has been reported.",
                    Toast.LENGTH_LONG).show();
            trackEvent("ReviewSleepActivity couldn't data.moveToFirst()", 0);*/
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.menu_item_delete_sleep_record:
            final AlertDialog.Builder dialog = new AlertDialog.Builder(
                    ReviewSleepActivity.this)
                    .setMessage(getString(R.string.delete_sleep_record))
                    .setPositiveButton(getString(R.string.ok),
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(
                                        final DialogInterface dialog,
                                        final int id) {
                                    mDeleteSleepTask.execute(ContentUris.parseId(getIntent().getData()),
                                            null, null);
                                }
                            })
                    .setNegativeButton(getString(R.string.cancel),
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(
                                        final DialogInterface dialog,
                                        final int id) {
                                    dialog.cancel();
                                }
                            });
            dialog.show();
            break;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        mDeleteSleepTask.cancel(true);
    }
}