/*
|
* Copyright (C) 2017 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.server.wifi;
|
|
import android.app.Notification;
|
import android.app.NotificationManager;
|
import android.app.PendingIntent;
|
import android.content.Context;
|
import android.content.Intent;
|
import android.provider.Settings;
|
|
import com.android.internal.annotations.VisibleForTesting;
|
import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
|
import com.android.internal.notification.SystemNotificationChannels;
|
import com.android.server.wifi.util.NativeUtil;
|
|
/**
|
* Responsible for notifying user for wrong password errors.
|
*/
|
public class WrongPasswordNotifier {
|
// Number of milliseconds to wait before automatically dismiss the notification.
|
private static final long CANCEL_TIMEOUT_MILLISECONDS = 5 * 60 * 1000;
|
|
// Unique ID associated with the notification.
|
@VisibleForTesting
|
public static final int NOTIFICATION_ID = SystemMessage.NOTE_WIFI_WRONG_PASSWORD;
|
|
// Flag indicating if a wrong password error is detected for the current connection.
|
private boolean mWrongPasswordDetected;
|
|
private final Context mContext;
|
private final NotificationManager mNotificationManager;
|
private final FrameworkFacade mFrameworkFacade;
|
|
public WrongPasswordNotifier(Context context, FrameworkFacade frameworkFacade) {
|
mContext = context;
|
mFrameworkFacade = frameworkFacade;
|
mNotificationManager =
|
(NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
|
}
|
|
/**
|
* Invoked when a wrong password error for a Wi-Fi network is detected.
|
*
|
* @param ssid The SSID of the Wi-Fi network
|
*/
|
public void onWrongPasswordError(String ssid) {
|
showNotification(ssid);
|
mWrongPasswordDetected = true;
|
}
|
|
/**
|
* Invoked when attempting a new Wi-Fi network connection.
|
*/
|
public void onNewConnectionAttempt() {
|
if (mWrongPasswordDetected) {
|
dismissNotification();
|
mWrongPasswordDetected = false;
|
}
|
}
|
|
/**
|
* Display wrong password notification for a given Wi-Fi network (specified by its SSID).
|
*
|
* @param ssid SSID of the Wi-FI network
|
*/
|
private void showNotification(String ssid) {
|
Intent intent = new Intent(Settings.ACTION_WIFI_SETTINGS);
|
intent.putExtra("wifi_start_connect_ssid", NativeUtil.removeEnclosingQuotes(ssid));
|
Notification.Builder builder = mFrameworkFacade.makeNotificationBuilder(mContext,
|
SystemNotificationChannels.NETWORK_ALERTS)
|
.setAutoCancel(true)
|
.setTimeoutAfter(CANCEL_TIMEOUT_MILLISECONDS)
|
// TODO(zqiu): consider creating a new icon.
|
.setSmallIcon(com.android.internal.R.drawable.stat_notify_wifi_in_range)
|
.setContentTitle(mContext.getString(
|
com.android.internal.R.string.wifi_available_title_failed_to_connect))
|
.setContentText(ssid)
|
.setContentIntent(mFrameworkFacade.getActivity(
|
mContext, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT))
|
.setColor(mContext.getResources().getColor(
|
com.android.internal.R.color.system_notification_accent_color));
|
mNotificationManager.notify(NOTIFICATION_ID, builder.build());
|
}
|
|
/**
|
* Dismiss the notification that was generated by {@link #showNotification}. The notification
|
* might have already been dismissed, either by user or timeout. We'll attempt to dismiss it
|
* regardless if it is been dismissed or not, to reduce code complexity.
|
*/
|
private void dismissNotification() {
|
// Notification might have already been dismissed, either by user or timeout. It is
|
// still okay to cancel it if already dismissed.
|
mNotificationManager.cancel(null, NOTIFICATION_ID);
|
}
|
}
|