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.v17.preference.LeanbackPreferenceFragment; 26 import android.support.v7.preference.Preference; 27 import android.support.v7.preference.PreferenceCategory; 28 import android.support.v7.preference.TwoStatePreference; 29 30 import com.android.settingslib.wifi.AccessPoint; 31 import com.android.settingslib.wifi.AccessPointPreference; 32 import com.android.tv.settings.R; 33 34 import java.util.Collection; 35 import java.util.HashSet; 36 import java.util.Set; 37 38 public class NetworkFragment extends LeanbackPreferenceFragment implements 39 ConnectivityListener.Listener, ConnectivityListener.WifiNetworkListener, 40 AccessPoint.AccessPointListener { 41 42 private static final String KEY_WIFI_ENABLE = "wifi_enable"; 43 private static final String KEY_WIFI_LIST = "wifi_list"; 44 private static final String KEY_WIFI_COLLAPSE = "wifi_collapse"; 45 private static final String KEY_WIFI_OTHER = "wifi_other"; 46 private static final String KEY_WIFI_WPS = "wifi_wps"; 47 private static final String KEY_WIFI_ADD = "wifi_add"; 48 private static final String KEY_WIFI_ALWAYS_SCAN = "wifi_always_scan"; 49 private static final String KEY_ETHERNET = "ethernet"; 50 private static final String KEY_ETHERNET_STATUS = "ethernet_status"; 51 private static final String KEY_ETHERNET_PROXY = "ethernet_proxy"; 52 private static final String KEY_ETHERNET_DHCP = "ethernet_dhcp"; 53 54 private static final int INITIAL_UPDATE_DELAY = 500; 55 56 private ConnectivityListener mConnectivityListener; 57 private AccessPointPreference.UserBadgeCache mUserBadgeCache; 58 59 private TwoStatePreference mEnableWifiPref; 60 private CollapsibleCategory mWifiNetworksCategory; 61 private Preference mCollapsePref; 62 private Preference mWpsPref; 63 private Preference mAddPref; 64 private TwoStatePreference mAlwaysScan; 65 private PreferenceCategory mEthernetCategory; 66 private Preference mEthernetStatusPref; 67 private Preference mEthernetProxyPref; 68 private Preference mEthernetDhcpPref; 69 70 private final Handler mHandler = new Handler(); 71 private long mNoWifiUpdateBeforeMillis; 72 private Runnable mInitialUpdateWifiListRunnable = new Runnable() { 73 @Override 74 public void run() { 75 mNoWifiUpdateBeforeMillis = 0; 76 updateWifiList(); 77 } 78 }; 79 newInstance()80 public static NetworkFragment newInstance() { 81 return new NetworkFragment(); 82 } 83 84 @Override onCreate(Bundle savedInstanceState)85 public void onCreate(Bundle savedInstanceState) { 86 mConnectivityListener = new ConnectivityListener(getContext(), this); 87 mUserBadgeCache = 88 new AccessPointPreference.UserBadgeCache(getContext().getPackageManager()); 89 super.onCreate(savedInstanceState); 90 } 91 92 @Override onStart()93 public void onStart() { 94 super.onStart(); 95 mConnectivityListener.start(); 96 mConnectivityListener.setWifiListener(this); 97 mNoWifiUpdateBeforeMillis = SystemClock.elapsedRealtime() + INITIAL_UPDATE_DELAY; 98 updateWifiList(); 99 } 100 101 @Override onResume()102 public void onResume() { 103 super.onResume(); 104 // There doesn't seem to be an API to listen to everything this could cover, so 105 // tickle it here and hope for the best. 106 updateConnectivity(); 107 } 108 109 @Override onStop()110 public void onStop() { 111 super.onStop(); 112 mConnectivityListener.stop(); 113 } 114 115 @Override onCreatePreferences(Bundle savedInstanceState, String rootKey)116 public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { 117 setPreferencesFromResource(R.xml.network, null); 118 119 mEnableWifiPref = (TwoStatePreference) findPreference(KEY_WIFI_ENABLE); 120 mWifiNetworksCategory = (CollapsibleCategory) findPreference(KEY_WIFI_LIST); 121 mCollapsePref = findPreference(KEY_WIFI_COLLAPSE); 122 mWpsPref = findPreference(KEY_WIFI_WPS); 123 mAddPref = findPreference(KEY_WIFI_ADD); 124 mAlwaysScan = (TwoStatePreference) findPreference(KEY_WIFI_ALWAYS_SCAN); 125 126 mEthernetCategory = (PreferenceCategory) findPreference(KEY_ETHERNET); 127 mEthernetStatusPref = findPreference(KEY_ETHERNET_STATUS); 128 mEthernetProxyPref = findPreference(KEY_ETHERNET_PROXY); 129 mEthernetProxyPref.setIntent(EditProxySettingsActivity.createIntent(getContext(), 130 WifiConfiguration.INVALID_NETWORK_ID)); 131 mEthernetDhcpPref = findPreference(KEY_ETHERNET_DHCP); 132 mEthernetDhcpPref.setIntent(EditIpSettingsActivity.createIntent(getContext(), 133 WifiConfiguration.INVALID_NETWORK_ID)); 134 } 135 136 @Override onPreferenceTreeClick(Preference preference)137 public boolean onPreferenceTreeClick(Preference preference) { 138 if (preference.getKey() == null) { 139 return super.onPreferenceTreeClick(preference); 140 } 141 switch (preference.getKey()) { 142 case KEY_WIFI_ENABLE: 143 mConnectivityListener.setWifiEnabled(mEnableWifiPref.isChecked()); 144 return true; 145 case KEY_WIFI_COLLAPSE: 146 final boolean collapse = !mWifiNetworksCategory.isCollapsed(); 147 mCollapsePref.setTitle(collapse 148 ? R.string.wifi_setting_see_all : R.string.wifi_setting_see_fewer); 149 mWifiNetworksCategory.setCollapsed(collapse); 150 return true; 151 case KEY_WIFI_ALWAYS_SCAN: 152 Settings.Global.putInt(getActivity().getContentResolver(), 153 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 154 mAlwaysScan.isChecked() ? 1 : 0); 155 return true; 156 case KEY_ETHERNET_STATUS: 157 return true; 158 } 159 return super.onPreferenceTreeClick(preference); 160 } 161 updateConnectivity()162 private void updateConnectivity() { 163 if (!isAdded()) { 164 return; 165 } 166 167 final boolean wifiEnabled = mConnectivityListener.isWifiEnabled(); 168 mEnableWifiPref.setChecked(wifiEnabled); 169 170 mWifiNetworksCategory.setVisible(wifiEnabled); 171 mCollapsePref.setVisible(wifiEnabled && mWifiNetworksCategory.shouldShowCollapsePref()); 172 mWpsPref.setVisible(wifiEnabled); 173 mAddPref.setVisible(wifiEnabled); 174 175 if (!wifiEnabled) { 176 updateWifiList(); 177 } 178 179 int scanAlwaysAvailable = 0; 180 try { 181 scanAlwaysAvailable = Settings.Global.getInt(getContext().getContentResolver(), 182 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE); 183 } catch (Settings.SettingNotFoundException e) { 184 // Ignore 185 } 186 mAlwaysScan.setChecked(scanAlwaysAvailable == 1); 187 188 final boolean ethernetAvailable = mConnectivityListener.isEthernetAvailable(); 189 mEthernetCategory.setVisible(ethernetAvailable); 190 mEthernetStatusPref.setVisible(ethernetAvailable); 191 mEthernetProxyPref.setVisible(ethernetAvailable); 192 mEthernetDhcpPref.setVisible(ethernetAvailable); 193 194 if (ethernetAvailable) { 195 final boolean ethernetConnected = 196 mConnectivityListener.getConnectivityStatus().isEthernetConnected(); 197 mEthernetStatusPref.setTitle(ethernetConnected 198 ? R.string.connected : R.string.not_connected); 199 mEthernetStatusPref.setSummary(mConnectivityListener.getEthernetIpAddress()); 200 } 201 } 202 updateWifiList()203 private void updateWifiList() { 204 if (!isAdded()) { 205 return; 206 } 207 208 if (!mConnectivityListener.isWifiEnabled()) { 209 mWifiNetworksCategory.removeAll(); 210 mNoWifiUpdateBeforeMillis = 0; 211 return; 212 } 213 214 final long now = SystemClock.elapsedRealtime(); 215 if (mNoWifiUpdateBeforeMillis > now) { 216 mHandler.removeCallbacks(mInitialUpdateWifiListRunnable); 217 mHandler.postDelayed(mInitialUpdateWifiListRunnable, 218 mNoWifiUpdateBeforeMillis - now); 219 return; 220 } 221 222 final int existingCount = mWifiNetworksCategory.getRealPreferenceCount(); 223 final Set<Preference> toRemove = new HashSet<>(existingCount); 224 for (int i = 0; i < existingCount; i++) { 225 toRemove.add(mWifiNetworksCategory.getPreference(i)); 226 } 227 228 final Context themedContext = getPreferenceManager().getContext(); 229 final Collection<AccessPoint> accessPoints = mConnectivityListener.getAvailableNetworks(); 230 int index = 0; 231 for (final AccessPoint accessPoint : accessPoints) { 232 accessPoint.setListener(this); 233 AccessPointPreference pref = (AccessPointPreference) accessPoint.getTag(); 234 if (pref == null) { 235 pref = new AccessPointPreference(accessPoint, themedContext, mUserBadgeCache, 236 false); 237 accessPoint.setTag(pref); 238 } else { 239 toRemove.remove(pref); 240 } 241 if (accessPoint.isActive()) { 242 pref.setFragment(WifiDetailsFragment.class.getName()); 243 WifiDetailsFragment.prepareArgs(pref.getExtras(), accessPoint); 244 pref.setIntent(null); 245 } else { 246 pref.setFragment(null); 247 pref.setIntent(WifiConnectionActivity.createIntent(getContext(), accessPoint)); 248 } 249 pref.setOrder(index++); 250 // Double-adding is harmless 251 mWifiNetworksCategory.addPreference(pref); 252 } 253 254 for (final Preference preference : toRemove) { 255 mWifiNetworksCategory.removePreference(preference); 256 } 257 258 mCollapsePref.setVisible(mWifiNetworksCategory.shouldShowCollapsePref()); 259 } 260 261 @Override onConnectivityChange()262 public void onConnectivityChange() { 263 updateConnectivity(); 264 } 265 266 @Override onWifiListChanged()267 public void onWifiListChanged() { 268 updateWifiList(); 269 } 270 271 @Override onAccessPointChanged(AccessPoint accessPoint)272 public void onAccessPointChanged(AccessPoint accessPoint) { 273 ((AccessPointPreference) accessPoint.getTag()).refresh(); 274 } 275 276 @Override onLevelChanged(AccessPoint accessPoint)277 public void onLevelChanged(AccessPoint accessPoint) { 278 ((AccessPointPreference) accessPoint.getTag()).onLevelChanged(); 279 } 280 281 } 282