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/**
* Copyright 2012 Kjetil Ørbekk <kjetil.orbekk@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.orbekk.same.android;
import java.io.IOException;
import java.net.UnknownHostException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.google.protobuf.RpcCallback;
import com.orbekk.protobuf.Rpc;
import com.orbekk.protobuf.RpcChannel;
import com.orbekk.same.Services;
import com.orbekk.same.android.net.Networking;
import com.orbekk.same.android.widget.NetworkListAdapter;
public class SameControllerActivity extends Activity {
private Logger logger = LoggerFactory.getLogger(getClass());
private Messenger sameService = null;
private volatile Services.NetworkDirectory networks = null;
private ServiceConnection sameConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
sameService = new Messenger(service);
}
@Override
public void onServiceDisconnected(ComponentName name) {
sameService = null;
}
};
private AdapterView.OnItemClickListener networkListClickListener =
new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Services.MasterState network = networks.getNetwork(position);
joinNetwork(network.getMasterLocation());
}
};
private void updateNetworkList() {
Services.NetworkDirectory currentNetworks = networks;
if (currentNetworks == null) {
return;
}
ListView list = (ListView)findViewById(R.id.network_list);
list.setAdapter(new NetworkListAdapter(
SameControllerActivity.this,
R.layout.list_text_item, currentNetworks));
}
public void createNetwork(View unused) {
Message message = Message.obtain(null, SameService.CREATE_NETWORK);
try {
sameService.send(message);
} catch (RemoteException e) {
logger.error("Failed to create network", e);
throw new RuntimeException(e);
}
}
public void killMaster(View unused) {
Message message = Message.obtain(null, SameService.KILL_MASTER);
try {
sameService.send(message);
} catch (RemoteException e) {
logger.error("Failed to kill master", e);
throw new RuntimeException(e);
}
}
public void joinNetworkUrl(View unused) {
Intent intent = new Intent(this, SameService.class);
intent.setAction("join");
EditText t = (EditText)findViewById(R.id.master_service_url);
String masterUrl = t.getText().toString();
joinNetwork(masterUrl);
}
private void joinNetwork(String masterUrl) {
logger.info("joinNetwork({})", masterUrl);
Message message = Message.obtain(null, SameService.JOIN_NETWORK);
message.getData().putString("masterLocation", masterUrl);
try {
sameService.send(message);
} catch (RemoteException e) {
logger.error("Failed to send message", e);
throw new RuntimeException(e);
}
}
private void showIpAddress() {
TextView t = (TextView)findViewById(R.id.ipAddress);
t.setText("My IP: ");
t.append(new Networking(this).getWlanAddress().getHostAddress());
}
public void doneClicked(View unused) {
finish();
}
public void searchNetworks(View unused) {
logger.info("Looking up networks.");
final Toast failedToast = Toast.makeText(this, "No networks found!", Toast.LENGTH_SHORT);
RpcChannel channel = null;
try {
channel = RpcChannel.create(
SameService.DIRECTORY_HOST, SameService.DIRECTORY_PORT);
} catch (UnknownHostException e) {
throw new RuntimeException(e);
} catch (IOException e) {
failedToast.show();
e.printStackTrace();
return;
}
Services.Directory directory = Services.Directory.newStub(channel);
if (directory == null) {
logger.warn("No discovery service configured.");
return;
}
final Rpc rpc = new Rpc();
rpc.setTimeout(10000);
RpcCallback<Services.NetworkDirectory> done =
new RpcCallback<Services.NetworkDirectory>() {
@Override public void run(Services.NetworkDirectory networks) {
if (!rpc.isOk()) {
failedToast.show();
logger.warn("Unable to find networks: {}", rpc.errorText());
return;
}
setAvailableNetworks(networks);
}
};
directory.getNetworks(rpc, Services.Empty.getDefaultInstance(), done);
}
private void setAvailableNetworks(final Services.NetworkDirectory networks) {
runOnUiThread(new Runnable() {
@Override public void run() {
SameControllerActivity.this.networks = networks;
updateNetworkList();
}
});
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
System.setProperty("java.net.preferIPv4Stack", "true");
System.setProperty("java.net.preferIPv6Addresses", "false");
setContentView(R.layout.controller);
showIpAddress();
ListView networkList = (ListView)findViewById(R.id.network_list);
networkList.setOnItemClickListener(networkListClickListener);
}
@Override public void onResume() {
super.onResume();
Intent intent = new Intent(this, SameService.class);
bindService(intent, sameConnection, Context.BIND_AUTO_CREATE);
searchNetworks(null);
}
@Override public void onStop() {
super.onStop();
if (sameService != null) {
unbindService(sameConnection);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
}
}
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