RecentWidgetProvider.java :  » Contact » android-recent-widget » org » recentwidget » android » Android Open Source

/**
 * 
 */
package org.recentwidget.android;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

import org.recentwidget.R;
import org.recentwidget.RecentWidgetUtils;
import org.recentwidget.dao.CalendarDao;
import org.recentwidget.dao.CallLogDao;
import org.recentwidget.dao.EventObserver;
import org.recentwidget.dao.GmailDao;
import org.recentwidget.dao.SmsDao;

import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

public class RecentWidgetProvider extends AppWidgetProvider {

  private static final int RESET_PAGE_AFTER_MINUTES = 15;

  private static final String TAG = "RW:RecentWidgetProvider";

  public static final String BUTTON_PRESSED = "org.recentwidget.BUTTON_PRESSED";

  public static final int defaultContactImage = R.drawable.ic_contacts_details;

  /**
   * Default observers. GMail observer can be added as a preference.
   */
  static final EventObserver[] eventObservers;

  static {
    if (RecentWidgetUtils.HAS_ACCOUNT_MANAGER) {
      eventObservers = new EventObserver[] { new SmsDao(),
          new CallLogDao(), new GmailDao(), new CalendarDao() };
    } else {
      // Check preference
      eventObservers = new EventObserver[] { new SmsDao(),
          new CallLogDao() };
    }
  }

  /**
   * The buttons available on the widget.
   */
  static int[] buttonMap = new int[] { R.id.contactButton01,
      R.id.contactButton02, R.id.contactButton03, R.id.contactButton04,
      R.id.contactButton05, R.id.contactButton06 };

  /**
   * The contact images available on the widget.
   */
  static int[] imageMap = buttonMap;

  /**
   * The text views holding the contact name labels.
   */
  static int[] labelMap = new int[] { R.id.contactLabel01,
      R.id.contactLabel02, R.id.contactLabel03, R.id.contactLabel04,
      R.id.contactLabel05, R.id.contactLabel06 };

  static Date lastUpdated = new Date(0);

  @Override
  // Note: not called when using a ConfigurationActivity
  public void onUpdate(Context context, AppWidgetManager appWidgetManager,
      int[] appWidgetIds) {

    Log.d(TAG, "Called onUpdate");

    // Still, check that process was not killed and update everything...
    // (use AlarmManager instead? maybe less resources used than widget
    // timer?)

    if (!RecentWidgetHolder.isAlive()) {
      Log.d(TAG, "Holder was empty. Rebuild the list.");

      startService(context, appWidgetManager, appWidgetIds,
          RecentWidgetUtils.ACTION_UPDATE_ALL);

    } else {
      Log.d(TAG, "Holder still filled.");

      // Nothing to do. If everything is correct, the widget always
      // displays the right information; i.e. the events are always pushed
      // to the widget.

      // BUT maybe it's the first time we display the widget, so update
      // the graphics, or inactivity resets the page num to 0.

      Calendar calendar = GregorianCalendar.getInstance();
      calendar.add(Calendar.MINUTE, -RESET_PAGE_AFTER_MINUTES);

      if (lastUpdated.getTime() == 0
          || lastUpdated.before(calendar.getTime())) {
        RecentWidgetHolder.currentPage = 0;
      }

      startService(context, appWidgetManager, appWidgetIds,
          RecentWidgetUtils.ACTION_REFRESH_DISPLAY);

    }

  }

  private void startService(Context context,
      AppWidgetManager appWidgetManager, int[] appWidgetIds,
      String serviceAction) {

    Intent serviceIntent = new Intent(context,
        RecentWidgetUpdateService.class);

    serviceIntent.putExtra(RecentWidgetUpdateService.ORIGINAL_ACTION,
        serviceAction);

    serviceIntent.putExtra(RecentWidgetUpdateService.UPDATED_WIDGETS_IDS,
        appWidgetIds);

    context.startService(serviceIntent);
  }

  private void startService(Context context, Intent originalIntent) {

    Intent serviceIntent = new Intent(context,
        RecentWidgetUpdateService.class);

    serviceIntent.putExtra(RecentWidgetUpdateService.ORIGINAL_INTENT,
        originalIntent);

    context.startService(serviceIntent);
  }

  @Override
  public void onReceive(Context context, Intent intent) {

    String action = intent.getAction();

    // Proxy: Recent Event list should be rebuilt/refreshed
    // To prevent any ANR timeouts, we perform the update in a service

    for (String acceptedAction : RecentWidgetUtils.ACTION_UPDATE_TYPES) {

      lastUpdated = new Date();

      if (acceptedAction.equals(action)) {

        Intent serviceIntent = new Intent(context,
            RecentWidgetUpdateService.class);

        startService(context, serviceIntent);

        return;

      }
    }

    // TODO: workaround for onDelete in 1.5
    // http://groups.google.com/group/android-developers/msg/e405ca19df2170e2?pli=1

    super.onReceive(context, intent);
  }

  @Override
  public void onDeleted(Context context, int[] appWidgetIds) {
    RecentWidgetHolder.clean();
    super.onDeleted(context, appWidgetIds);
  }

  @Override
  public void onDisabled(Context context) {
    RecentWidgetHolder.clean();
    super.onDisabled(context);
  }

  public static int getButtonPosition(int buttonId) {
    for (int index = 0; index < RecentWidgetHolder.numPerPage; index++) {
      if (buttonMap[index] == buttonId) {
        return index;
      }
    }
    return -1;
  }
}