1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.tv.settings.connectivity; 18 19 import android.content.Context; 20 import android.net.wifi.WifiConfiguration; 21 import android.os.Bundle; 22 import android.os.Handler; 23 import android.os.SystemClock; 24 import android.provider.Settings; 25 import android.support.v7.preference.Preference; 26 import android.support.v7.preference.PreferenceCategory; 27 import android.support.v7.preference.PreferenceManager; 28 import android.support.v7.preference.TwoStatePreference; 29 30 import com.android.internal.logging.nano.MetricsProto; 31 import com.android.settingslib.wifi.AccessPoint; 32 import com.android.settingslib.wifi.AccessPointPreference; 33 import com.android.tv.settings.R; 34 import com.android.tv.settings.SettingsPreferenceFragment; 35 36 import java.util.Collection; 37 import java.util.HashSet; 38 import java.util.Set; 39 40 /** 41 * Fragment for controlling network connectivity 42 */ 43 public class NetworkFragment extends SettingsPreferenceFragment implements 44 ConnectivityListener.Listener, ConnectivityListener.WifiNetworkListener, 45 AccessPoint.AccessPointListener { 46 47 private static final String KEY_WIFI_ENABLE = "wifi_enable"; 48 private static final String KEY_WIFI_LIST = "wifi_list"; 49 private static final String KEY_WIFI_COLLAPSE = "wifi_collapse"; 50 private static final String KEY_WIFI_OTHER = "wifi_other"; 51 private static final String KEY_WIFI_ADD = "wifi_add"; 52 private static final String KEY_WIFI_ALWAYS_SCAN = "wifi_always_scan"; 53 private static final String KEY_ETHERNET = "ethernet"; 54 private static final String KEY_ETHERNET_STATUS = "ethernet_status"; 55 private static final String KEY_ETHERNET_PROXY = "ethernet_proxy"; 56 private static final String KEY_ETHERNET_DHCP = "ethernet_dhcp"; 57 58 private static final int INITIAL_UPDATE_DELAY = 500; 59 60 private ConnectivityListener mConnectivityListener; 61 private AccessPointPreference.UserBadgeCache mUserBadgeCache; 62 63 private TwoStatePreference mEnableWifiPref; 64 private CollapsibleCategory mWifiNetworksCategory; 65 private Preference mCollapsePref; 66 private Preference mAddPref; 67 private TwoStatePreference mAlwaysScan; 68 private PreferenceCategory mEthernetCategory; 69 private Preference mEthernetStatusPref; 70 private Preference mEthernetProxyPref; 71 private Preference mEthernetDhcpPref; 72 73 private final Handler mHandler = new Handler(); 74 private long mNoWifiUpdateBeforeMillis; 75 private Runnable mInitialUpdateWifiListRunnable = new Runnable() { 76 @Override 77 public void run() { 78 mNoWifiUpdateBeforeMillis = 0; 79 updateWifiList(); 80 } 81 }; 82 83 public static NetworkFragment newInstance() { 84 return new NetworkFragment(); 85 } 86 87 @Override 88 public void onCreate(Bundle savedInstanceState) { 89 mConnectivityListener = new ConnectivityListener(getContext(), this, getLifecycle()); 90 mUserBadgeCache = 91 new AccessPointPreference.UserBadgeCache(getContext().getPackageManager()); 92 super.onCreate(savedInstanceState); 93 } 94 95 @Override 96 public void onStart() { 97 super.onStart(); 98 mConnectivityListener.setWifiListener(this); 99 mNoWifiUpdateBeforeMillis = SystemClock.elapsedRealtime() + INITIAL_UPDATE_DELAY; 100 updateWifiList(); 101 } 102 103 @Override 104 public void onResume() { 105 super.onResume(); 106 // There doesn't seem to be an API to listen to everything this could cover, so 107 // tickle it here and hope for the best. 108 updateConnectivity(); 109 } 110 111 @Override 112 public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { 113 getPreferenceManager().setPreferenceComparisonCallback( 114 new PreferenceManager.SimplePreferenceComparisonCallback()); 115 setPreferencesFromResource(R.xml.network, null); 116 117 mEnableWifiPref = (TwoStatePreference) findPreference(KEY_WIFI_ENABLE); 118 mWifiNetworksCategory = (CollapsibleCategory) findPreference(KEY_WIFI_LIST); 119 mCollapsePref = findPreference(KEY_WIFI_COLLAPSE); 120 mAddPref = findPreference(KEY_WIFI_ADD); 121 mAlwaysScan = (TwoStatePreference) findPreference(KEY_WIFI_ALWAYS_SCAN); 122 123 mEthernetCategory = (PreferenceCategory) findPreference(KEY_ETHERNET); 124 mEthernetStatusPref = findPreference(KEY_ETHERNET_STATUS); 125 mEthernetProxyPref = findPreference(KEY_ETHERNET_PROXY); 126 mEthernetProxyPref.setIntent(EditProxySettingsActivity.createIntent(getContext(), 127 WifiConfiguration.INVALID_NETWORK_ID)); 128 mEthernetDhcpPref = findPreference(KEY_ETHERNET_DHCP); 129 mEthernetDhcpPref.setIntent(EditIpSettingsActivity.createIntent(getContext(), 130 WifiConfiguration.INVALID_NETWORK_ID)); 131 } 132 133 @Override 134 public boolean onPreferenceTreeClick(Preference preference) { 135 if (preference.getKey() == null) { 136 return super.onPreferenceTreeClick(preference); 137 } 138 switch (preference.getKey()) { 139 case KEY_WIFI_ENABLE: 140 mConnectivityListener.setWifiEnabled(mEnableWifiPref.isChecked()); 141 if (mMetricsFeatureProvider != null) { 142 if (mEnableWifiPref.isChecked()) { 143 mMetricsFeatureProvider.action(getContext(), 144 MetricsProto.MetricsEvent.ACTION_WIFI_ON); 145 } else { 146 // Log if user was connected at the time of switching off. 147 mMetricsFeatureProvider.action(getContext(), 148 MetricsProto.MetricsEvent.ACTION_WIFI_OFF, 149 mConnectivityListener.isWifiConnected()); 150 } 151 } 152 return true; 153 case KEY_WIFI_COLLAPSE: 154 final boolean collapse = !mWifiNetworksCategory.isCollapsed(); 155 mCollapsePref.setTitle(collapse 156 ? R.string.wifi_setting_see_all : R.string.wifi_setting_see_fewer); 157 mWifiNetworksCategory.setCollapsed(collapse); 158 return true; 159 case KEY_WIFI_ALWAYS_SCAN: 160 Settings.Global.putInt(getActivity().getContentResolver(), 161 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 162 mAlwaysScan.isChecked() ? 1 : 0); 163 return true; 164 case KEY_ETHERNET_STATUS: 165 return true; 166 case KEY_WIFI_ADD: 167 mMetricsFeatureProvider.action(getActivity(), 168 MetricsProto.MetricsEvent.ACTION_WIFI_ADD_NETWORK); 169 break; 170 } 171 return super.onPreferenceTreeClick(preference); 172 } 173 174 private void updateConnectivity() { 175 if (!isAdded()) { 176 return; 177 } 178 179 final boolean wifiEnabled = mConnectivityListener.isWifiEnabledOrEnabling(); 180 mEnableWifiPref.setChecked(wifiEnabled); 181 182 mWifiNetworksCategory.setVisible(wifiEnabled); 183 mCollapsePref.setVisible(wifiEnabled && mWifiNetworksCategory.shouldShowCollapsePref()); 184 mAddPref.setVisible(wifiEnabled); 185 186 if (!wifiEnabled) { 187 updateWifiList(); 188 } 189 190 int scanAlwaysAvailable = 0; 191 try { 192 scanAlwaysAvailable = Settings.Global.getInt(getContext().getContentResolver(), 193 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE); 194 } catch (Settings.SettingNotFoundException e) { 195 // Ignore 196 } 197 mAlwaysScan.setChecked(scanAlwaysAvailable == 1); 198 199 final boolean ethernetAvailable = mConnectivityListener.isEthernetAvailable(); 200 mEthernetCategory.setVisible(ethernetAvailable); 201 mEthernetStatusPref.setVisible(ethernetAvailable); 202 mEthernetProxyPref.setVisible(ethernetAvailable); 203 mEthernetDhcpPref.setVisible(ethernetAvailable); 204 205 if (ethernetAvailable) { 206 final boolean ethernetConnected = 207 mConnectivityListener.isEthernetConnected(); 208 mEthernetStatusPref.setTitle(ethernetConnected 209 ? R.string.connected : R.string.not_connected); 210 mEthernetStatusPref.setSummary(mConnectivityListener.getEthernetIpAddress()); 211 } 212 } 213 214 private void updateWifiList() { 215 if (!isAdded()) { 216 return; 217 } 218 219 if (!mConnectivityListener.isWifiEnabledOrEnabling()) { 220 mWifiNetworksCategory.removeAll(); 221 mNoWifiUpdateBeforeMillis = 0; 222 return; 223 } 224 225 final long now = SystemClock.elapsedRealtime(); 226 if (mNoWifiUpdateBeforeMillis > now) { 227 mHandler.removeCallbacks(mInitialUpdateWifiListRunnable); 228 mHandler.postDelayed(mInitialUpdateWifiListRunnable, 229 mNoWifiUpdateBeforeMillis - now); 230 return; 231 } 232 233 final int existingCount = mWifiNetworksCategory.getRealPreferenceCount(); 234 final Set<Preference> toRemove = new HashSet<>(existingCount); 235 for (int i = 0; i < existingCount; i++) { 236 toRemove.add(mWifiNetworksCategory.getPreference(i)); 237 } 238 239 final Context themedContext = getPreferenceManager().getContext(); 240 final Collection<AccessPoint> accessPoints = mConnectivityListener.getAvailableNetworks(); 241 int index = 0; 242 for (final AccessPoint accessPoint : accessPoints) { 243 accessPoint.setListener(this); 244 AccessPointPreference pref = (AccessPointPreference) accessPoint.getTag(); 245 if (pref == null) { 246 pref = new AccessPointPreference(accessPoint, themedContext, mUserBadgeCache, 247 false); 248 accessPoint.setTag(pref); 249 } else { 250 toRemove.remove(pref); 251 } 252 if (accessPoint.isActive()) { 253 pref.setFragment(WifiDetailsFragment.class.getName()); 254 WifiDetailsFragment.prepareArgs(pref.getExtras(), accessPoint); 255 pref.setIntent(null); 256 } else { 257 pref.setFragment(null); 258 pref.setIntent(WifiConnectionActivity.createIntent(getContext(), accessPoint)); 259 } 260 pref.setOrder(index++); 261 // Double-adding is harmless 262 mWifiNetworksCategory.addPreference(pref); 263 } 264 265 for (final Preference preference : toRemove) { 266 mWifiNetworksCategory.removePreference(preference); 267 } 268 269 mCollapsePref.setVisible(mWifiNetworksCategory.shouldShowCollapsePref()); 270 } 271 272 @Override 273 public void onConnectivityChange() { 274 updateConnectivity(); 275 } 276 277 @Override 278 public void onWifiListChanged() { 279 updateWifiList(); 280 } 281 282 @Override 283 public void onAccessPointChanged(AccessPoint accessPoint) { 284 ((AccessPointPreference) accessPoint.getTag()).refresh(); 285 } 286 287 @Override 288 public void onLevelChanged(AccessPoint accessPoint) { 289 ((AccessPointPreference) accessPoint.getTag()).onLevelChanged(); 290 } 291 292 @Override 293 public int getMetricsCategory() { 294 return MetricsProto.MetricsEvent.SETTINGS_NETWORK_CATEGORY; 295 } 296 } 297
