1cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna/* 2cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Copyright (C) 2013 The Android Open Source Project 3cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * 4cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Licensed under the Apache License, Version 2.0 (the "License"); 5cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * you may not use this file except in compliance with the License. 6cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * You may obtain a copy of the License at 7cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * 8cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * http://www.apache.org/licenses/LICENSE-2.0 9cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * 10cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Unless required by applicable law or agreed to in writing, software 11cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * distributed under the License is distributed on an "AS IS" BASIS, 12cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * See the License for the specific language governing permissions and 14cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * limitations under the License. 15cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 16cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 17cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennapackage com.android.server.wifi; 18cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 19cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.app.Notification; 20cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.app.NotificationManager; 21cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.app.TaskStackBuilder; 22cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.content.BroadcastReceiver; 23cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.content.Context; 24cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.content.Intent; 25cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.content.IntentFilter; 26cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.database.ContentObserver; 27cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.net.NetworkInfo; 28cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.net.wifi.ScanResult; 29cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.net.wifi.WifiManager; 30cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.net.wifi.WifiScanner; 31cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.os.Handler; 32cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.os.Looper; 33cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.os.Message; 34cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.os.UserHandle; 35f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikhimport android.os.UserManager; 36cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport android.provider.Settings; 37cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 38f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikhimport com.android.internal.notification.SystemNotificationChannels; 39f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh 40cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport java.io.FileDescriptor; 41cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport java.io.PrintWriter; 42cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennaimport java.util.List; 43cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 44cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna/** 45cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Takes care of handling the "open wi-fi network available" notification 46cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * @hide 47cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 48cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPennapublic class WifiNotificationController { 49cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 50cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * The icon to show in the 'available networks' notification. This will also 51cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * be the ID of the Notification given to the NotificationManager. 52cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 53cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private static final int ICON_NETWORKS_AVAILABLE = 54cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna com.android.internal.R.drawable.stat_notify_wifi_in_range; 55cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 56cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * When a notification is shown, we wait this amount before possibly showing it again. 57cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 58cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private final long NOTIFICATION_REPEAT_DELAY_MS; 59f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh 60cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 61cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Whether the user has set the setting to show the 'available networks' notification. 62cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 63cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private boolean mNotificationEnabled; 64cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 65cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Observes the user setting to keep {@link #mNotificationEnabled} in sync. 66cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 67cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private NotificationEnabledSettingObserver mNotificationEnabledSettingObserver; 68f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh 69cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 70cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * The {@link System#currentTimeMillis()} must be at least this value for us 71cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * to show the notification again. 72cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 73cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private long mNotificationRepeatTime; 74cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 75cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * The Notification object given to the NotificationManager. 76cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 77cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private Notification.Builder mNotificationBuilder; 78cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 79cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Whether the notification is being shown, as set by us. That is, if the 80cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * user cancels the notification, we will not receive the callback so this 81cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * will still be true. We only guarantee if this is false, then the 82cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * notification is not showing. 83cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 84cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private boolean mNotificationShown; 85cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 86cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * The number of continuous scans that must occur before consider the 87cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * supplicant in a scanning state. This allows supplicant to associate with 88cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * remembered networks that are in the scan results. 89cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 90cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private static final int NUM_SCANS_BEFORE_ACTUALLY_SCANNING = 3; 91cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 92cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * The number of scans since the last network state change. When this 93cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * exceeds {@link #NUM_SCANS_BEFORE_ACTUALLY_SCANNING}, we consider the 94cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * supplicant to actually be scanning. When the network state changes to 95cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * something other than scanning, we reset this to 0. 96cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 97cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private int mNumScansSinceNetworkStateChange; 98cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 99cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private final Context mContext; 100cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private NetworkInfo mNetworkInfo; 101cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private NetworkInfo.DetailedState mDetailedState; 102cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private volatile int mWifiState; 103cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private FrameworkFacade mFrameworkFacade; 104cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private WifiInjector mWifiInjector; 105cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private WifiScanner mWifiScanner; 106cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 107cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna WifiNotificationController(Context context, 108cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna Looper looper, 109cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna FrameworkFacade framework, 110cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna Notification.Builder builder, 111cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna WifiInjector wifiInjector) { 112cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mContext = context; 113cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mFrameworkFacade = framework; 114cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationBuilder = builder; 115cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mWifiInjector = wifiInjector; 116cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mWifiState = WifiManager.WIFI_STATE_UNKNOWN; 117cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mDetailedState = NetworkInfo.DetailedState.IDLE; 118cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 119cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna IntentFilter filter = new IntentFilter(); 120cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); 121cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); 122cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna filter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION); 123cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 124cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mContext.registerReceiver( 125cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna new BroadcastReceiver() { 126cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna @Override 127cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna public void onReceive(Context context, Intent intent) { 128f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh if (intent.getAction() 129f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh .equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) { 130cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mWifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 131cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna WifiManager.WIFI_STATE_UNKNOWN); 132cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna resetNotification(); 133cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } else if (intent.getAction().equals( 134cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna WifiManager.NETWORK_STATE_CHANGED_ACTION)) { 135cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNetworkInfo = (NetworkInfo) intent.getParcelableExtra( 136cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna WifiManager.EXTRA_NETWORK_INFO); 137cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna NetworkInfo.DetailedState detailedState = 138cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNetworkInfo.getDetailedState(); 139cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (detailedState != NetworkInfo.DetailedState.SCANNING 140cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna && detailedState != mDetailedState) { 141cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mDetailedState = detailedState; 142cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // reset & clear notification on a network connect & disconnect 143cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna switch(mDetailedState) { 144cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case CONNECTED: 145cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case DISCONNECTED: 146cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case CAPTIVE_PORTAL_CHECK: 147cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna resetNotification(); 148cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna break; 149cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 150cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case IDLE: 151cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case SCANNING: 152cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case CONNECTING: 153cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case AUTHENTICATING: 154cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case OBTAINING_IPADDR: 155cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case SUSPENDED: 156cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case FAILED: 157cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case BLOCKED: 158cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna case VERIFYING_POOR_LINK: 159cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna break; 160cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 161cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 162cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } else if (intent.getAction().equals( 163cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)) { 164cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (mWifiScanner == null) { 165cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mWifiScanner = mWifiInjector.getWifiScanner(); 166cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 167cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna checkAndSetNotification(mNetworkInfo, 168cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mWifiScanner.getSingleScanResults()); 169cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 170cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 171cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna }, filter); 172cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 173cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // Setting is in seconds 174cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna NOTIFICATION_REPEAT_DELAY_MS = mFrameworkFacade.getIntegerSetting(context, 175f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY, 900) * 1000L; 176cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationEnabledSettingObserver = new NotificationEnabledSettingObserver( 177cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna new Handler(looper)); 178cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationEnabledSettingObserver.register(); 179cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 180cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 181cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private synchronized void checkAndSetNotification(NetworkInfo networkInfo, 182cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna List<ScanResult> scanResults) { 183cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 184cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // TODO: unregister broadcast so we do not have to check here 185cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // If we shouldn't place a notification on available networks, then 186cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // don't bother doing any of the following 187cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (!mNotificationEnabled) return; 188cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (mWifiState != WifiManager.WIFI_STATE_ENABLED) return; 189f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh if (UserManager.get(mContext) 190f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh .hasUserRestriction(UserManager.DISALLOW_CONFIG_WIFI, UserHandle.CURRENT)) { 191f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh return; 192f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh } 193cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 194cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna NetworkInfo.State state = NetworkInfo.State.DISCONNECTED; 195cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (networkInfo != null) 196cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna state = networkInfo.getState(); 197cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 198cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if ((state == NetworkInfo.State.DISCONNECTED) 199cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna || (state == NetworkInfo.State.UNKNOWN)) { 200cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (scanResults != null) { 201cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna int numOpenNetworks = 0; 202cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna for (int i = scanResults.size() - 1; i >= 0; i--) { 203cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna ScanResult scanResult = scanResults.get(i); 204cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 205cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna //A capability of [ESS] represents an open access point 206cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna //that is available for an STA to connect 207cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (scanResult.capabilities != null && 208cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna scanResult.capabilities.equals("[ESS]")) { 209cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna numOpenNetworks++; 210cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 211cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 212cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 213cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (numOpenNetworks > 0) { 214cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (++mNumScansSinceNetworkStateChange >= NUM_SCANS_BEFORE_ACTUALLY_SCANNING) { 215cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /* 216cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * We've scanned continuously at least 217cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * NUM_SCANS_BEFORE_NOTIFICATION times. The user 218cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * probably does not have a remembered network in range, 219cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * since otherwise supplicant would have tried to 220cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * associate and thus resetting this counter. 221cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 222cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna setNotificationVisible(true, numOpenNetworks, false, 0); 223cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 224cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna return; 225cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 226cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 227cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 228cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 229cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // No open networks in range, remove the notification 230cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna setNotificationVisible(false, 0, false, 0); 231cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 232cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 233cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 234cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Clears variables related to tracking whether a notification has been 235cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * shown recently and clears the current notification. 236cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 237cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private synchronized void resetNotification() { 238cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationRepeatTime = 0; 239cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNumScansSinceNetworkStateChange = 0; 240cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna setNotificationVisible(false, 0, false, 0); 241cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 242cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 243cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna /** 244cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * Display or don't display a notification that there are open Wi-Fi networks. 245cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * @param visible {@code true} if notification should be visible, {@code false} otherwise 246cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * @param numNetworks the number networks seen 247cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * @param force {@code true} to force notification to be shown/not-shown, 248cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * even if it is already shown/not-shown. 249cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * @param delay time in milliseconds after which the notification should be made 250cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna * visible or invisible. 251cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna */ 252cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private void setNotificationVisible(boolean visible, int numNetworks, boolean force, 253cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna int delay) { 254cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 255cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // Since we use auto cancel on the notification, when the 256cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // mNetworksAvailableNotificationShown is true, the notification may 257cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // have actually been canceled. However, when it is false we know 258cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // for sure that it is not being shown (it will not be shown any other 259cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // place than here) 260cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 261cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // If it should be hidden and it is already hidden, then noop 262cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (!visible && !mNotificationShown && !force) { 263cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna return; 264cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 265cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 266cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna NotificationManager notificationManager = (NotificationManager) mContext 267cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .getSystemService(Context.NOTIFICATION_SERVICE); 268cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 269cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna Message message; 270cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (visible) { 271cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 272cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // Not enough time has passed to show the notification again 273cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (System.currentTimeMillis() < mNotificationRepeatTime) { 274cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna return; 275cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 276cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 277cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna if (mNotificationBuilder == null) { 278cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna // Cache the Notification builder object. 279f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh mNotificationBuilder = new Notification.Builder(mContext, 280f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh SystemNotificationChannels.NETWORK_AVAILABLE) 281cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .setWhen(0) 282cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .setSmallIcon(ICON_NETWORKS_AVAILABLE) 283cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .setAutoCancel(true) 284cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .setContentIntent(TaskStackBuilder.create(mContext) 285cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .addNextIntentWithParentStack( 286cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna new Intent(WifiManager.ACTION_PICK_WIFI_NETWORK)) 287cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .getPendingIntent(0, 0, null, UserHandle.CURRENT)) 288cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna .setColor(mContext.getResources().getColor( 289cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna com.android.internal.R.color.system_notification_accent_color)); 290cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 291cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 292cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna CharSequence title = mContext.getResources().getQuantityText( 293cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna com.android.internal.R.plurals.wifi_available, numNetworks); 294cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna CharSequence details = mContext.getResources().getQuantityText( 295cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna com.android.internal.R.plurals.wifi_available_detailed, numNetworks); 296cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationBuilder.setTicker(title); 297cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationBuilder.setContentTitle(title); 298cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationBuilder.setContentText(details); 299cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 300cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationRepeatTime = System.currentTimeMillis() + NOTIFICATION_REPEAT_DELAY_MS; 301cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 302cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna notificationManager.notifyAsUser(null, ICON_NETWORKS_AVAILABLE, 303cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationBuilder.build(), UserHandle.ALL); 304cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } else { 305cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna notificationManager.cancelAsUser(null, ICON_NETWORKS_AVAILABLE, UserHandle.ALL); 306cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 307cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 308cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationShown = visible; 309cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 310cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 311cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 312cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna pw.println("mNotificationEnabled " + mNotificationEnabled); 313cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna pw.println("mNotificationRepeatTime " + mNotificationRepeatTime); 314cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna pw.println("mNotificationShown " + mNotificationShown); 315cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna pw.println("mNumScansSinceNetworkStateChange " + mNumScansSinceNetworkStateChange); 316cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 317cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 318cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private class NotificationEnabledSettingObserver extends ContentObserver { 319cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna public NotificationEnabledSettingObserver(Handler handler) { 320cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna super(handler); 321cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 322cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 323cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna public void register() { 324f4efccec8a7f8c871dbf0b7360f44d28e0a6db6dAmin Shaikh mFrameworkFacade.registerContentObserver(mContext, Settings.Global.getUriFor( 325cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON), true, this); 326cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna synchronized (WifiNotificationController.this) { 327cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationEnabled = getValue(); 328cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 329cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 330cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 331cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna @Override 332cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna public void onChange(boolean selfChange) { 333cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna super.onChange(selfChange); 334cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 335cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna synchronized (WifiNotificationController.this) { 336cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna mNotificationEnabled = getValue(); 337cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna resetNotification(); 338cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 339cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 340cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna 341cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna private boolean getValue() { 342cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna return mFrameworkFacade.getIntegerSetting(mContext, 343cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 1) == 1; 344cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 345cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna } 346cee93a796f42939b2d4f2e3e5491c3d951694662Joe LaPenna} 347