Implement 'Available via Passpoint' feature

This also fixes the issues related to explicit connection
to passpoint AP, and fixes occassional mention of
'connected via Wi-Fi Assistent'

Change-Id: Ib4de956f2ea29709d0212fbcb392815644800e78

res/values/strings.xml

@@ -1335,6 +1335,8 @@
     <string name="connected_via_wfa">Connected via Wi\u2011Fi assistant</string>
     <!-- Status message of Wi-Fi when it is connected by Passpoint configuration. [CHAR LIMIT=NONE] -->
     <string name="connected_via_passpoint">Connected via %1$s</string>
+    <!-- Status message of Wi-Fi when network has matching passpoint credentials. [CHAR LIMIT=NONE] -->
+    <string name="available_via_passpoint">Available via %1$s</string>
 
     <!-- Wifi Display settings. The title of the screen. [CHAR LIMIT=40] -->
     <string name="wifi_display_settings_title">Cast screen</string>

src/com/android/settings/wifi/AccessPoint.java

@@ -401,6 +401,7 @@ class AccessPoint extends Preference {
 
     void update(WifiConfiguration config) {
         mConfig = config;
+        networkId = config.networkId;
         refresh();
     }
 
@@ -631,8 +632,10 @@ class AccessPoint extends Preference {
                     mConfig.providerFriendlyName : null;
             summary.append(Summary.get(context, getState(),
                     networkId == WifiConfiguration.INVALID_NETWORK_ID, passpointProvider));
-        } else if (mConfig != null
+        } else if (mConfig != null && mConfig.isPasspoint()) {
-                && mConfig.hasNoInternetAccess()) {
+            String format = context.getString(R.string.available_via_passpoint);
+            summary.append(String.format(format, mConfig.providerFriendlyName));
+        } else if (mConfig != null && mConfig.hasNoInternetAccess()) {
             summary.append(context.getString(R.string.wifi_no_internet));
         } else if (mConfig != null && ((mConfig.status == WifiConfiguration.Status.DISABLED &&
                 mConfig.disableReason != WifiConfiguration.DISABLED_UNKNOWN_REASON)

src/com/android/settings/wifi/WifiConfigController.java

@@ -269,10 +269,16 @@ public class WifiConfigController implements TextWatcher,
                     mConfigUi.setSubmitButton(res.getString(R.string.wifi_connect));
                 } else {
                     if (state != null) {
+                        WifiConfiguration config = mAccessPoint.getConfig();
+                        if (config != null && config.isPasspoint()) {
+                            addRow(group, R.string.wifi_status, Summary.get(mConfigUi.getContext(),
+                                    state, false, config.providerFriendlyName));
+                        } else {
                             addRow(group, R.string.wifi_status, Summary.get(mConfigUi.getContext(),
                                     state, mAccessPoint.networkId ==
                                             WifiConfiguration.INVALID_NETWORK_ID));
                         }
+                    }
 
                     if (signalLevel != null) {
                         addRow(group, R.string.wifi_signal, signalLevel);

src/com/android/settings/wifi/WifiSettings.java

@@ -778,6 +778,13 @@ public class WifiSettings extends RestrictedSettingsFragment
                         accessPoint.update(lastInfo, lastNetworkInfo);
                     }
 
+                    if (result.passpointNetwork) {
+                        WifiConfiguration config = wifiManager.getMatchingWifiConfig(result);
+                        if (config != null) {
+                            accessPoint.update(config);
+                        }
+                    }
+
                     if (lastInfo != null && lastInfo.getBSSID() != null
                             && lastInfo.getBSSID().equals(result.BSSID)
                             && connectionConfig != null && connectionConfig.isPasspoint()) {