/* * Copyright (C) 2012 The Android Open Source Project * * 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.android.settings.wifi; import android.app.AlertDialog; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.NetworkInfo; import android.net.NetworkInfo.DetailedState; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.net.wifi.WpsInfo; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.widget.Button; import android.widget.ProgressBar; import android.widget.TextView; import java.util.Timer; import java.util.TimerTask; import com.android.settings.R; /** * Dialog to show WPS progress. */ public class WpsDialog extends AlertDialog { private final static String TAG = "WpsDialog"; private static final String DIALOG_STATE = "android:dialogState"; private static final String DIALOG_MSG_STRING = "android:dialogMsg"; private View mView; private TextView mTextView; private ProgressBar mTimeoutBar; private ProgressBar mProgressBar; private Button mButton; private Timer mTimer; private static final int WPS_TIMEOUT_S = 120; private WifiManager mWifiManager; private WifiManager.WpsCallback mWpsListener; private int mWpsSetup; private final IntentFilter mFilter; private BroadcastReceiver mReceiver; private Context mContext; private Handler mHandler = new Handler(); private String mMsgString = ""; private enum DialogState { WPS_INIT, WPS_START, WPS_COMPLETE, CONNECTED, //WPS + IP config is done WPS_FAILED } DialogState mDialogState = DialogState.WPS_INIT; public WpsDialog(Context context, int wpsSetup) { super(context); mContext = context; mWpsSetup = wpsSetup; class WpsListener extends WifiManager.WpsCallback { public void onStarted(String pin) { if (pin != null) { updateDialog(DialogState.WPS_START, String.format( mContext.getString(R.string.wifi_wps_onstart_pin), pin)); } else { updateDialog(DialogState.WPS_START, mContext.getString( R.string.wifi_wps_onstart_pbc)); } } public void onSucceeded() { updateDialog(DialogState.WPS_COMPLETE, mContext.getString(R.string.wifi_wps_complete)); } public void onFailed(int reason) { String msg; switch (reason) { case WifiManager.WPS_OVERLAP_ERROR: msg = mContext.getString(R.string.wifi_wps_failed_overlap); break; case WifiManager.WPS_WEP_PROHIBITED: msg = mContext.getString(R.string.wifi_wps_failed_wep); break; case WifiManager.WPS_TKIP_ONLY_PROHIBITED: msg = mContext.getString(R.string.wifi_wps_failed_tkip); break; case WifiManager.IN_PROGRESS: msg = mContext.getString(R.string.wifi_wps_in_progress); break; default: msg = mContext.getString(R.string.wifi_wps_failed_generic); break; } updateDialog(DialogState.WPS_FAILED, msg); } } mWpsListener = new WpsListener(); mFilter = new IntentFilter(); mFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); mReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { handleEvent(context, intent); } }; setCanceledOnTouchOutside(false); } @Override public Bundle onSaveInstanceState () { Bundle bundle = super.onSaveInstanceState(); bundle.putString(DIALOG_STATE, mDialogState.toString()); bundle.putString(DIALOG_MSG_STRING, mMsgString.toString()); return bundle; } @Override public void onRestoreInstanceState(Bundle savedInstanceState) { if (savedInstanceState != null) { super.onRestoreInstanceState(savedInstanceState); DialogState dialogState = mDialogState.valueOf(savedInstanceState.getString(DIALOG_STATE)); String msg = savedInstanceState.getString(DIALOG_MSG_STRING); updateDialog(dialogState, msg); } } @Override protected void onCreate(Bundle savedInstanceState) { mView = getLayoutInflater().inflate(R.layout.wifi_wps_dialog, null); mTextView = (TextView) mView.findViewById(R.id.wps_dialog_txt); mTextView.setText(R.string.wifi_wps_setup_msg); mTimeoutBar = ((ProgressBar) mView.findViewById(R.id.wps_timeout_bar)); mTimeoutBar.setMax(WPS_TIMEOUT_S); mTimeoutBar.setProgress(0); mProgressBar = ((ProgressBar) mView.findViewById(R.id.wps_progress_bar)); mProgressBar.setVisibility(View.GONE); mButton = ((Button) mView.findViewById(R.id.wps_dialog_btn)); mButton.setText(R.string.wifi_cancel); mButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { dismiss(); } }); mWifiManager = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE); setView(mView); super.onCreate(savedInstanceState); } @Override protected void onStart() { /* * increment timeout bar per second. */ mTimer = new Timer(false); mTimer.schedule(new TimerTask() { @Override public void run() { mHandler.post(new Runnable() { @Override public void run() { mTimeoutBar.incrementProgressBy(1); } }); } }, 1000, 1000); mContext.registerReceiver(mReceiver, mFilter); WpsInfo wpsConfig = new WpsInfo(); wpsConfig.setup = mWpsSetup; mWifiManager.startWps(wpsConfig, mWpsListener); } @Override protected void onStop() { if (mDialogState != DialogState.WPS_COMPLETE) { mWifiManager.cancelWps(null); } if (mReceiver != null) { mContext.unregisterReceiver(mReceiver); mReceiver = null; } if (mTimer != null) { mTimer.cancel(); } } private void updateDialog(final DialogState state, final String msg) { if (mDialogState.ordinal() >= state.ordinal()) { //ignore. return; } mDialogState = state; mMsgString = msg; mHandler.post(new Runnable() { @Override public void run() { switch(state) { case WPS_COMPLETE: mTimeoutBar.setVisibility(View.GONE); mProgressBar.setVisibility(View.VISIBLE); break; case CONNECTED: case WPS_FAILED: mButton.setText(mContext.getString(R.string.dlg_ok)); mTimeoutBar.setVisibility(View.GONE); mProgressBar.setVisibility(View.GONE); if (mReceiver != null) { mContext.unregisterReceiver(mReceiver); mReceiver = null; } break; } mTextView.setText(msg); } }); } private void handleEvent(Context context, Intent intent) { String action = intent.getAction(); if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(action)) { NetworkInfo info = (NetworkInfo) intent.getParcelableExtra( WifiManager.EXTRA_NETWORK_INFO); final NetworkInfo.DetailedState state = info.getDetailedState(); if (state == DetailedState.CONNECTED && mDialogState == DialogState.WPS_COMPLETE) { WifiInfo wifiInfo = mWifiManager.getConnectionInfo(); if (wifiInfo != null) { String msg = String.format(mContext.getString( R.string.wifi_wps_connected), wifiInfo.getSSID()); updateDialog(DialogState.CONNECTED, msg); } } } } }