ListQuotesActivity.java :  » UnTagged » software-quotes » com » hazam » softwarequotes » ui » Android Open Source

package com.hazam.softwarequotes.ui;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.Handler;
import android.os.ResultReceiver;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import com.hazam.softwarequotes.R;
import com.hazam.softwarequotes.model.ListQuotesAdapter;
import com.hazam.softwarequotes.model.Quote;
import com.hazam.softwarequotes.model.QuotesDAO;
import com.hazam.softwarequotes.sync.QuotesLoader;
import com.hazam.softwarequotes.sync.QuotesSyncService;
import com.hazam.ui.LifeCycleLoggingListActivity;
import com.hazam.util.L;

import java.util.List;

public class ListQuotesActivity extends LifeCycleLoggingListActivity implements QuotesDAO.QuotesDAOListener {

  private final static int DIALOG_SYNCING = 0xA;
  private final static int DIALOG_SYNC_ERROR = 0xB;
  private ListQuotesAdapter adapter;
  
  private final BroadcastReceiver receiverForSync = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
      dao.getAllQuotes();
      dismissDialog(DIALOG_SYNCING);
    }
  };

  private QuotesDAO dao;
  private Handler handler;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    dao = new QuotesDAO(getContentResolver(), this);
    handler = new Handler();
    setContentView(R.layout.list_quotes);
    Object last = getLastNonConfigurationInstance();
    if (last != null) {
      adapter = (ListQuotesAdapter) last;
    } else {
      adapter = new ListQuotesAdapter();
      dao.getAllQuotes();
    }
    setListAdapter(adapter);
    IntentFilter filter = new IntentFilter();
    filter.addAction(QuotesLoader.INTENT_QUOTES_SYNC_DONE);
    registerReceiver(receiverForSync, filter);
  }
  
  @Override
  public Object onRetainNonConfigurationInstance() {
    return adapter;
  }
  
  @Override
  protected void onDestroy() {
    unregisterReceiver(receiverForSync);
    super.onDestroy();
  }

  @Override
  protected void onListItemClick(ListView l, View v, int position, long id) {
    Object clicked = adapter.getItem(position);
    Intent tolaunch = new Intent(this, ShowQuoteActivity.class);
    tolaunch.putExtra(ShowQuoteActivity.EXTRA_QUOTE_ID, ((Quote) clicked).getId());
    startActivity(tolaunch);
  }

  public void onQuotesLoaded(List<Quote> target) {
    adapter.addAll(target);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    super.onCreateOptionsMenu(menu);
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.quotes_menu, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.sync:
      showDialog(DIALOG_SYNCING);
      Intent syncLauncher = new Intent(this, QuotesSyncService.class);
      syncLauncher.putExtra(QuotesSyncService.EXTRA_RETURN_CHANNEL, new ResultReceiver(handler) {
        @Override
        protected void onReceiveResult(int resultCode, Bundle resultData) {
          L.D(this, "received mex on return channel " + resultCode);
          if (resultCode == QuotesSyncService.RESULT_ERROR) {
            dismissDialog(DIALOG_SYNCING);
            showDialog(DIALOG_SYNC_ERROR);
          }
          // we could add a lot more error codes
        }
      });
      startService(syncLauncher);
      return true;
    default:
      return super.onContextItemSelected(item);
    }
  }

  @Override
  protected Dialog onCreateDialog(int id) {
    switch (id) {
    case DIALOG_SYNCING:
      ProgressDialog pd = new ProgressDialog(this);
      pd.setMessage(getText(R.string.sync_quotes));
      pd.setIndeterminate(true);
      return pd;
    case DIALOG_SYNC_ERROR:
      AlertDialog.Builder build = new AlertDialog.Builder(this);
      build.setTitle(R.string.sync_error);
      //build.setMessage(b.getString(QuotesSyncService.EXTRA_ERROR_CAUSE));
      return build.create();
    default:
      return super.onCreateDialog(id);
    }
  }
}