/*
* Copyright (C) 2010 ZXing authors
*
* 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 ntu.com.google.zxing.client.android.wifi;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.SupplicantState;
import android.net.wifi.WifiManager;
import android.util.Log;
import android.widget.TextView;
import ntu.com.google.zxing.client.android.R;
/**
* Get a broadcast when the network is connected, and kill the activity.
*/
final class WifiReceiver extends BroadcastReceiver {
private static final String TAG = WifiReceiver.class.getSimpleName();
private final WifiManager mWifiManager;
private final WifiActivity parent;
private final TextView statusView;
// FIXME: Why is ssid ignored here?
WifiReceiver(WifiManager wifiManager, WifiActivity wifiActivity, TextView statusView,
String ssid) {
this.parent = wifiActivity;
this.statusView = statusView;
this.mWifiManager = wifiManager;
}
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION)) {
handleChange(
(SupplicantState) intent.getParcelableExtra(WifiManager.EXTRA_NEW_STATE),
intent.hasExtra(WifiManager.EXTRA_SUPPLICANT_ERROR));
} else if (intent.getAction().equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)){
handleNetworkStateChanged((NetworkInfo) intent.getParcelableExtra(
WifiManager.EXTRA_NETWORK_INFO));
} else if (intent.getAction().equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
ConnectivityManager con = (ConnectivityManager) parent.getSystemService(
Context.CONNECTIVITY_SERVICE);
NetworkInfo[] s = con.getAllNetworkInfo();
for (NetworkInfo i : s){
if (i.getTypeName().contentEquals("WIFI")){
NetworkInfo.State state = i.getState();
String ssid = mWifiManager.getConnectionInfo().getSSID();
if (state == NetworkInfo.State.CONNECTED && ssid != null){
mWifiManager.saveConfiguration();
String label = parent.getString(R.string.wifi_connected);
statusView.setText(label + '\n' + ssid);
Runnable delayKill = new Killer(parent);
delayKill.run();
}
if (state == NetworkInfo.State.DISCONNECTED){
Log.d(TAG, "Got state Disconnected for ssid: " + ssid);
parent.gotError();
}
}
}
}
}
private void handleNetworkStateChanged(NetworkInfo networkInfo) {
NetworkInfo.DetailedState state = networkInfo.getDetailedState();
if (state == NetworkInfo.DetailedState.FAILED){
Log.d(TAG, "Detailed Network state failed");
parent.gotError();
}
}
private void handleChange(SupplicantState state, boolean hasError) {
if (hasError || state == SupplicantState.INACTIVE){
Log.d(TAG, "Found an error");
parent.gotError();
}
}
}