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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.libreoffice.impressremote;
import java.util.ArrayList;
import java.util.List;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;
import android.view.View;
import android.widget.ListView;
import com.actionbarsherlock.app.SherlockListFragment;
import org.libreoffice.impressremote.communication.CommunicationService;
import org.libreoffice.impressremote.communication.Server;
public class ComputersFragment extends SherlockListFragment implements ServiceConnection {
public static enum Type {
WIFI, BLUETOOTH
}
private Type mType;
private CommunicationService mCommunicationService;
private BroadcastReceiver mIntentsReceiver;
public static ComputersFragment newInstance(Type aType) {
ComputersFragment aFragment = new ComputersFragment();
aFragment.setArguments(buildArguments(aType));
return aFragment;
}
private static Bundle buildArguments(Type aType) {
Bundle aArguments = new Bundle();
aArguments.putSerializable("TYPE", aType);
return aArguments;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mType = (Type) getArguments().getSerializable("TYPE");
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
bindService();
}
private void bindService() {
Intent aServiceIntent = new Intent(getActivity(), CommunicationService.class);
getActivity().bindService(aServiceIntent, this, Context.BIND_AUTO_CREATE);
}
@Override
public void onServiceConnected(ComponentName aComponentName, IBinder aBinder) {
CommunicationService.CBinder aServiceBinder = (CommunicationService.CBinder) aBinder;
mCommunicationService = aServiceBinder.getService();
mCommunicationService.startSearch();
}
@Override
public void onDestroy() {
super.onDestroy();
unbindService();
}
private void unbindService() {
if (!isServiceBound()) {
return;
}
getActivity().unbindService(this);
}
private boolean isServiceBound() {
return mCommunicationService != null;
}
@Override
public void onServiceDisconnected(ComponentName aComponentName) {
mCommunicationService = null;
}
@Override
public void onResume() {
super.onResume();
loadComputers();
registerIntentsReceiver();
}
private void registerIntentsReceiver() {
mIntentsReceiver = new IntentsReceiver(this);
IntentFilter aIntentFilter = buildIntentsReceiverFilter();
getBroadcastManager().registerReceiver(mIntentsReceiver, aIntentFilter);
}
private static final class IntentsReceiver extends BroadcastReceiver {
private final ComputersFragment mComputersFragment;
public IntentsReceiver(ComputersFragment aComputersFragment) {
mComputersFragment = aComputersFragment;
}
@Override
public void onReceive(Context aContext, Intent aIntent) {
if (Intents.Actions.SERVERS_LIST_CHANGED.equals(aIntent.getAction())) {
mComputersFragment.loadComputers();
}
}
}
private IntentFilter buildIntentsReceiverFilter() {
IntentFilter aIntentFilter = new IntentFilter();
aIntentFilter.addAction(Intents.Actions.SERVERS_LIST_CHANGED);
return aIntentFilter;
}
private LocalBroadcastManager getBroadcastManager() {
Context aContext = getActivity().getApplicationContext();
return LocalBroadcastManager.getInstance(aContext);
}
public void loadComputers() {
if (!isServiceBound()) {
return;
}
if (getComputers().isEmpty()) {
return;
}
if (!isComputersAdapterExist()) {
setUpComputersAdapter();
}
getComputersAdapter().clear();
getComputersAdapter().add(getComputers());
}
private boolean isComputersAdapterExist() {
return getComputersAdapter() != null;
}
private ComputersAdapter getComputersAdapter() {
return (ComputersAdapter) getListAdapter();
}
private void setUpComputersAdapter() {
setListAdapter(new ComputersAdapter(getActivity()));
}
private List<Server> getComputers() {
List<Server> aComputers = new ArrayList<Server>();
for (Server aServer : mCommunicationService.getServers()) {
if (isComputerSupportsRequiredType(aServer)) {
aComputers.add(aServer);
}
}
return aComputers;
}
private boolean isComputerSupportsRequiredType(Server aServer) {
switch (mType) {
case WIFI:
return aServer.getProtocol() == Server.Protocol.TCP;
case BLUETOOTH:
return aServer.getProtocol() == Server.Protocol.BLUETOOTH;
default:
return false;
}
}
@Override
public void onPause() {
super.onPause();
unregisterIntentsReceiver();
}
private void unregisterIntentsReceiver() {
try {
getBroadcastManager().unregisterReceiver(mIntentsReceiver);
} catch (IllegalArgumentException e) {
// Receiver not registered.
// Fixed in Honeycomb: Android’s issue #6191.
}
}
@Override
public void onListItemClick(ListView aListView, View aView, int aPosition, long aId) {
Server aComputer = getComputersAdapter().getItem(aPosition);
Intent aIntent = Intents.buildComputerConnectionIntent(getActivity(), aComputer);
startActivity(aIntent);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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