StatusHandler.java :  » Calendar » kolab-android » at » dasz » KolabDroid » Android Open Source

/*
 * Copyright 2010 Arthur Zaczek <arthur@dasz.at>, dasz.at OG; All rights reserved.
 * Copyright 2010 David Schmitt <david@dasz.at>, dasz.at OG; All rights reserved.
 *
 *  This file is part of Kolab Sync for Android.

 *  Kolab Sync for Android 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 3 of
 *  the License, or (at your option) any later version.

 *  Kolab Sync for Android 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 Kolab Sync for Android.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

package at.dasz.KolabDroid;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

public class StatusHandler extends Handler
{
  private final static String      MESSAGE    = "message";
  private final static String      RESOURCE  = "resource";
  private final static String      SYNC_FINISHED  = "sync_finished";
  private final static String      SYNC_ROOT    = "SYNC";
  private MainActivity        activity;
  private static StatusHandler  current;

  private StatusHandler(MainActivity a)
  {
    activity = a;    
  }
  
  public static void load(MainActivity a) {
    synchronized (SYNC_ROOT)
    {
      current = new StatusHandler(a);
    }
  }
  
  public static void unload() {
    synchronized (SYNC_ROOT)
    {
      current = null;
    }
  }

  @Override
  public void handleMessage(android.os.Message msg)
  {
    synchronized (SYNC_ROOT)
    {
      Bundle data = msg.getData();
      if (data.containsKey(MESSAGE))
      {
        activity.setStatusText(data.getString(MESSAGE));
      }
      else if (data.containsKey(RESOURCE))
      {
        activity.setStatusText(data.getInt(RESOURCE));
      }
      else if (data.containsKey(SYNC_FINISHED))
      {
        activity.bindStatus();
      }
    }
  };

  public static void writeStatus(String text)
  {
    synchronized (SYNC_ROOT)
    {
      if (current == null) return;
      Message msg = new Message();
      Bundle data = new Bundle();
      data.putString(MESSAGE, text);
      msg.setData(data);
      current.sendMessage(msg);
    }
  }

  public static void writeStatus(int resource)
  {
    synchronized (SYNC_ROOT)
    {
      if (current == null) return;
      Message msg = new Message();
      Bundle data = new Bundle();
      data.putInt(RESOURCE, resource);
      msg.setData(data);
      current.sendMessage(msg);
    }
  }

  public static void notifySyncFinished()
  {
    synchronized (SYNC_ROOT)
    {
      if (current == null) return;
      Message msg = new Message();
      Bundle data = new Bundle();
      data.putBoolean(SYNC_FINISHED, true);
      msg.setData(data);
      current.sendMessage(msg);
    }
  }
}