Android Open Source - DroidUPnP Upnp Device List Fragment

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License

The source code is released under:
GNU General Public License
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Java Source Code

/**
 * Copyright (C) 2013 Aurlien Chabot <aurelien@chabot.fr>
 * //from w  w w  .  j ava2  s.  com
 * This file is part of DroidUPNP.
 * 
 * DroidUPNP 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.
 *
 * DroidUPNP 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 DroidUPNP.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.droidupnp.view;

import org.droidupnp.R;
import org.droidupnp.model.upnp.IDeviceDiscoveryObserver;
import org.droidupnp.model.upnp.IUpnpDevice;

import android.app.DialogFragment;
import android.app.FragmentTransaction;
import android.app.ListFragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

public abstract class UpnpDeviceListFragment extends ListFragment implements IDeviceDiscoveryObserver {

  protected static final String TAG = "UpnpDeviceListFragment";

  protected ArrayAdapter<DeviceDisplay> list;

  private final boolean extendedInformation;

  public UpnpDeviceListFragment()
  {
    this(false);
  }

  public UpnpDeviceListFragment(boolean extendedInformation)
  {
    this.extendedInformation = extendedInformation;
  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState)
  {
    super.onActivityCreated(savedInstanceState);
    list = new ArrayAdapter<>(this.getView().getContext(), R.layout.device_list_item);
    setListAdapter(list);

    Log.d(TAG, "Activity created");
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
  {
    // Inflate the layout for this fragment
    return inflater.inflate(R.layout.sub_device_fragment, container, false);
  }

  @Override
  public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    Log.d(TAG, "onCreated");
  }

  @Override
  public void onViewCreated(View view, Bundle savedInstanceState)
  {
    this.getListView().setOnItemLongClickListener(new OnItemLongClickListener() {

      @Override
      public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id)
      {
        showInfoDialog(position);
        return true;
      }
    });
  }

  private void showInfoDialog(int position)
  {
    FragmentTransaction ft = getFragmentManager().beginTransaction();
    DialogFragment newFragment = DeviceInfoDialog.newInstance(list.getItem(position));
    newFragment.show(ft, "dialog");
  }

  @Override
  public void onDestroy()
  {
    super.onDestroy();
    Log.d(TAG, "onDestroy");
  }

  @Override
  public void onListItemClick(ListView l, View v, int position, long id)
  {
    super.onListItemClick(l, v, position, id);
  }

  @Override
  public void addedDevice(IUpnpDevice device)
  {
    Log.v(TAG, "New device detected : " + device.getDisplayString());

    final DeviceDisplay d = new DeviceDisplay(device, extendedInformation);

    if (getActivity() != null) // Visible
      getActivity().runOnUiThread(new Runnable() {
        @Override
        public void run()
        {
          try {
            int position = list.getPosition(d);
            if (position >= 0)
            {
              // Device already in the list, re-set new value at same position
              list.remove(d);
              list.insert(d, position);
            }
            else
            {
              list.add(d);
            }
            if (isSelected(d.getDevice()))
            {
              position = list.getPosition(d);
              getListView().setItemChecked(position, true);

              Log.i(TAG, d.toString() + " is selected at position " + position);
            }
          } catch (Exception e) {
            e.printStackTrace();
          }
        }
      });
  }

  @Override
  public void removedDevice(IUpnpDevice device)
  {
    Log.v(TAG, "Device removed : " + device.getFriendlyName());

    final DeviceDisplay d = new DeviceDisplay(device, extendedInformation);

    if (getActivity() != null) // Visible
      getActivity().runOnUiThread(new Runnable() {
        @Override
        public void run()
        {
          try {
            // Remove device from list
            list.remove(d);
          } catch (Exception e) {
            e.printStackTrace();
          }
        }
      });
  }

  /**
   * Filter to know if device is selected
   * 
   * @param d
   * @return
   */
  protected abstract boolean isSelected(IUpnpDevice d);

  /**
   * Select a device
   * 
   * @param device
   */
  protected abstract void select(IUpnpDevice device);

  /**
   * Select a device
   * 
   * @param device
   * @param force
   */
  protected abstract void select(IUpnpDevice device, boolean force);
}
Java Source Code List
