Merge "Check subscription's validness for network selection's APIs"
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 7773af6..de14389 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1074,8 +1074,8 @@
     <!-- Label for the "No service" notification item, when expanded. -->
     <string name="notification_network_selection_title">No service</string>
     <!-- Label for the expanded "No service" notification item, including the
-         operator name set by user -->
-    <string name="notification_network_selection_text">Selected network (<xliff:g id="operator_name">%s</xliff:g>) unavailable</string>
+         operator name set by user. No space after "network", appended in nonempty value. -->
+    <string name="notification_network_selection_text">Selected network<xliff:g id="operator_name">%s</xliff:g> unavailable</string>
 
     <!-- In-call screen: call failure message displayed in an error dialog. [CHAR_LIMIT=NONE] -->
     <string name="incall_error_power_off" product="watch">Turn on mobile network, turn off airplane mode or turn off battery saver mode to make a call.</string>
diff --git a/src/com/android/phone/CdmaOptions.java b/src/com/android/phone/CdmaOptions.java
index 70744e5..9c713ef 100644
--- a/src/com/android/phone/CdmaOptions.java
+++ b/src/com/android/phone/CdmaOptions.java
@@ -39,6 +39,7 @@
 public class CdmaOptions {
     private static final String LOG_TAG = "CdmaOptions";
 
+    private CarrierConfigManager mCarrierConfigManager;
     private CdmaSystemSelectListPreference mButtonCdmaSystemSelect;
     private CdmaSubscriptionListPreference mButtonCdmaSubscription;
     private RestrictedPreference mButtonAPNExpand;
@@ -59,6 +60,7 @@
         mPrefFragment = prefFragment;
         mPrefScreen = prefScreen;
         mPrefFragment.addPreferencesFromResource(R.xml.cdma_options);
+        mCarrierConfigManager = new CarrierConfigManager(prefFragment.getContext());
 
         // Initialize preferences.
         mButtonCdmaSystemSelect = (CdmaSystemSelectListPreference) mPrefScreen
@@ -77,8 +79,7 @@
         int phoneType = TelephonyManager.from(mPrefFragment.getContext())
                 .createForSubscriptionId(mSubId).getPhoneType();
 
-        PersistableBundle carrierConfig =
-                PhoneGlobals.getInstance().getCarrierConfigForSubId(mSubId);
+        PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
         // Some CDMA carriers want the APN settings.
         boolean addAPNExpand = shouldAddApnExpandPreference(phoneType, carrierConfig);
         boolean addCdmaSubscription =
diff --git a/src/com/android/phone/GsmUmtsOptions.java b/src/com/android/phone/GsmUmtsOptions.java
index 19cd3ef..a3f5cfb 100644
--- a/src/com/android/phone/GsmUmtsOptions.java
+++ b/src/com/android/phone/GsmUmtsOptions.java
@@ -16,6 +16,7 @@
 
 package com.android.phone;
 
+import android.content.Context;
 import android.content.Intent;
 import android.os.PersistableBundle;
 import android.preference.Preference;
@@ -23,6 +24,7 @@
 import android.preference.PreferenceScreen;
 import android.provider.Settings;
 import android.telephony.CarrierConfigManager;
+import android.telephony.TelephonyManager;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
@@ -36,6 +38,7 @@
 public class GsmUmtsOptions {
     private static final String LOG_TAG = "GsmUmtsOptions";
 
+    private CarrierConfigManager mCarrierConfigManager;
     private RestrictedPreference mButtonAPNExpand;
     private Preference mCategoryAPNExpand;
     Preference mCarrierSettingPref;
@@ -52,8 +55,10 @@
 
     public GsmUmtsOptions(PreferenceFragment prefFragment, PreferenceScreen prefScreen,
             final int subId, INetworkQueryService queryService) {
+        final Context context = prefFragment.getContext();
         mPrefFragment = prefFragment;
         mPrefScreen = prefScreen;
+        mCarrierConfigManager = new CarrierConfigManager(context);
         mPrefFragment.addPreferencesFromResource(R.xml.gsm_umts_options);
         mButtonAPNExpand = (RestrictedPreference) mPrefScreen.findPreference(BUTTON_APN_EXPAND_KEY);
         mCategoryAPNExpand = mPrefScreen.findPreference(CATEGORY_APN_EXPAND_KEY);
@@ -72,16 +77,17 @@
         boolean addAPNExpand = true;
         boolean addNetworkOperatorsCategory = true;
         boolean addCarrierSettings = true;
+        final TelephonyManager telephonyManager = TelephonyManager.from(mPrefFragment.getContext())
+                .createForSubscriptionId(subId);
         Phone phone = PhoneGlobals.getPhone(subId);
         if (phone == null) return;
-        if (phone.getPhoneType() != PhoneConstants.PHONE_TYPE_GSM) {
+        if (telephonyManager.getPhoneType() != PhoneConstants.PHONE_TYPE_GSM) {
             log("Not a GSM phone");
             addAPNExpand = false;
             mNetworkOperator.setEnabled(false);
         } else {
             log("Not a CDMA phone");
-            PersistableBundle carrierConfig =
-                    PhoneGlobals.getInstance().getCarrierConfigForSubId(subId);
+            PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(subId);
 
             // Determine which options to display. For GSM these are defaulted to true in
             // CarrierConfigManager, but they maybe overriden by DefaultCarrierConfigService or a
diff --git a/src/com/android/phone/MobileNetworkSettings.java b/src/com/android/phone/MobileNetworkSettings.java
index 7a795ed..c4f91ca 100644
--- a/src/com/android/phone/MobileNetworkSettings.java
+++ b/src/com/android/phone/MobileNetworkSettings.java
@@ -239,15 +239,16 @@
      * doesn't set {@link CarrierConfigManager#KEY_HIDE_ENHANCED_4G_LTE_BOOL} to false.
      */
     public static boolean hideEnhanced4gLteSettings(Context context) {
-        List<SubscriptionInfo> sil =
+        final CarrierConfigManager carrierConfigManager = new CarrierConfigManager(context);
+        final List<SubscriptionInfo> sil =
                 SubscriptionManager.from(context).getActiveSubscriptionInfoList();
         // Check all active subscriptions. We only hide the button if it's disabled for all
         // active subscriptions.
         if (sil != null) {
             for (SubscriptionInfo subInfo : sil) {
                 ImsManager imsManager = ImsManager.getInstance(context, subInfo.getSimSlotIndex());
-                PersistableBundle carrierConfig = PhoneGlobals.getInstance()
-                        .getCarrierConfigForSubId(subInfo.getSubscriptionId());
+                PersistableBundle carrierConfig = carrierConfigManager.getConfigForSubId(
+                        subInfo.getSubscriptionId());
                 if ((imsManager.isVolteEnabledByPlatform()
                         && imsManager.isVolteProvisionedOnDevice())
                         || carrierConfig.getBoolean(
@@ -347,6 +348,7 @@
 
         private SubscriptionManager mSubscriptionManager;
         private TelephonyManager mTelephonyManager;
+        private CarrierConfigManager mCarrierConfigManager;
         private int mSubId;
 
         //UI objects
@@ -788,6 +790,7 @@
             mSubscriptionManager = SubscriptionManager.from(activity);
             mTelephonyManager = (TelephonyManager) activity.getSystemService(
                             Context.TELEPHONY_SERVICE);
+            mCarrierConfigManager = new CarrierConfigManager(getContext());
 
             if (icicle != null) {
                 mExpandAdvancedFields = icicle.getBoolean(EXPAND_ADVANCED_FIELDS, false);
@@ -1052,8 +1055,7 @@
                     android.provider.Settings.Global.PREFERRED_NETWORK_MODE + phoneSubId,
                     preferredNetworkMode);
 
-            PersistableBundle carrierConfig =
-                    PhoneGlobals.getInstance().getCarrierConfigForSubId(mSubId);
+            PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
             mIsGlobalCdma = isLteOnCdma
                     && carrierConfig.getBoolean(CarrierConfigManager.KEY_SHOW_CDMA_CHOICES_BOOL);
             if (carrierConfig.getBoolean(
@@ -1200,8 +1202,7 @@
         // Requires that mSubId is up to date
         void updateEnabledNetworksEntries() {
             final int phoneType = mTelephonyManager.getPhoneType();
-            final PersistableBundle carrierConfig =
-                    PhoneGlobals.getInstance().getCarrierConfigForSubId(mSubId);
+            final PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
             if (phoneType == PhoneConstants.PHONE_TYPE_CDMA) {
                 final int lteForced = android.provider.Settings.Global.getInt(
                         getContext().getContentResolver(),
@@ -1444,8 +1445,8 @@
 
                 //normally called on the toggle click
                 if (!mButtonDataRoam.isChecked()) {
-                    PersistableBundle carrierConfig =
-                            PhoneGlobals.getInstance().getCarrierConfigForSubId(mSubId);
+                    PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(
+                            mSubId);
                     if (carrierConfig != null && carrierConfig.getBoolean(
                             CarrierConfigManager.KEY_DISABLE_CHARGE_INDICATION_BOOL)) {
                         mTelephonyManager.setDataRoamingEnabled(true);
@@ -1885,8 +1886,7 @@
                 return;
             }
 
-            PersistableBundle carrierConfig = PhoneGlobals.getInstance()
-                    .getCarrierConfigForSubId(mSubId);
+            PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
 
             if ((mImsMgr == null
                     || !mImsMgr.isVolteEnabledByPlatform()
@@ -1909,8 +1909,7 @@
                 return;
             }
 
-            PersistableBundle carrierConfig = PhoneGlobals.getInstance()
-                    .getCarrierConfigForSubId(mSubId);
+            PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
 
             if (mImsMgr != null
                     && mImsMgr.isVtEnabledByPlatform()
diff --git a/src/com/android/phone/NetworkOperators.java b/src/com/android/phone/NetworkOperators.java
index 6d8b30f..7e54a1b 100644
--- a/src/com/android/phone/NetworkOperators.java
+++ b/src/com/android/phone/NetworkOperators.java
@@ -29,6 +29,7 @@
 import android.telephony.TelephonyManager;
 import android.util.AttributeSet;
 import android.util.Log;
+import android.widget.Toast;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
@@ -193,12 +194,9 @@
 
     // Used by both mAutoSelect and mNetworkSelect buttons.
     protected void displayNetworkSelectionFailed() {
-        String status = getContext().getResources().getString(R.string.connect_later);
+        Toast.makeText(getContext(), R.string.connect_later, Toast.LENGTH_LONG).show();
 
         final PhoneGlobals app = PhoneGlobals.getInstance();
-        app.notificationMgr.postTransientNotification(
-                NotificationMgr.NETWORK_SELECTION_NOTIFICATION, status);
-
         ServiceState ss = mTelephonyManager.getServiceStateForSubscriber(mSubId);
         if (ss != null) {
             app.notificationMgr.updateNetworkSelection(ss.getState(), mSubId);
@@ -207,11 +205,7 @@
 
     // Used by both mAutoSelect and mNetworkSelect buttons.
     protected void displayNetworkSelectionSucceeded() {
-        String status = getContext().getResources().getString(R.string.registration_done);
-
-        final PhoneGlobals app = PhoneGlobals.getInstance();
-        app.notificationMgr.postTransientNotification(
-                NotificationMgr.NETWORK_SELECTION_NOTIFICATION, status);
+        Toast.makeText(getContext(), R.string.registration_done, Toast.LENGTH_LONG).show();
     }
 
     private void selectNetworkAutomatic(boolean autoSelect) {
diff --git a/src/com/android/phone/NotificationMgr.java b/src/com/android/phone/NotificationMgr.java
index 1b2d49e..5aa87d0 100644
--- a/src/com/android/phone/NotificationMgr.java
+++ b/src/com/android/phone/NotificationMgr.java
@@ -569,6 +569,9 @@
     private void showNetworkSelection(String operator, int subId) {
         if (DBG) log("showNetworkSelection(" + operator + ")...");
 
+        if (!TextUtils.isEmpty(operator)) {
+            operator = String.format(" (%s)", operator);
+        }
         Notification.Builder builder = new Notification.Builder(mContext)
                 .setSmallIcon(android.R.drawable.stat_sys_warning)
                 .setContentTitle(mContext.getString(R.string.notification_network_selection_title))
diff --git a/src/com/android/phone/PhoneGlobals.java b/src/com/android/phone/PhoneGlobals.java
index b1e061f..d0b236f 100644
--- a/src/com/android/phone/PhoneGlobals.java
+++ b/src/com/android/phone/PhoneGlobals.java
@@ -41,6 +41,7 @@
 import android.os.UserManager;
 import android.preference.PreferenceManager;
 import android.provider.Settings;
+import android.telecom.TelecomManager;
 import android.telephony.CarrierConfigManager;
 import android.telephony.ServiceState;
 import android.telephony.SubscriptionManager;
@@ -665,7 +666,9 @@
         if (isAirplaneNewlyOn) {
             // If we are trying to turn off the radio, make sure there are no active
             // emergency calls.  If there are, switch airplane mode back to off.
-            if (PhoneUtils.isInEmergencyCall(mCM)) {
+            TelecomManager tm = (TelecomManager) context.getSystemService(TELECOM_SERVICE);
+
+            if (tm != null && tm.isInEmergencyCall()) {
                 // Switch airplane mode back to off.
                 ConnectivityManager.from(this).setAirplaneMode(false);
                 Toast.makeText(this, R.string.radio_off_during_emergency_call, Toast.LENGTH_LONG)
diff --git a/src/com/android/phone/PhoneUtils.java b/src/com/android/phone/PhoneUtils.java
index c5625e9..9ede914 100644
--- a/src/com/android/phone/PhoneUtils.java
+++ b/src/com/android/phone/PhoneUtils.java
@@ -1330,20 +1330,6 @@
         return audioManager.isSpeakerphoneOn();
     }
 
-    static boolean isInEmergencyCall(CallManager cm) {
-        Call fgCall = cm.getActiveFgCall();
-        // isIdle includes checks for the DISCONNECTING/DISCONNECTED state.
-        if(!fgCall.isIdle()) {
-            for (Connection cn : fgCall.getConnections()) {
-                if (PhoneNumberUtils.isLocalEmergencyNumber(PhoneGlobals.getInstance(),
-                        cn.getAddress())) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-
     /**
      * Get the mute state of foreground phone, which has the current
      * foreground call
diff --git a/src/com/android/phone/RoamingDialogFragment.java b/src/com/android/phone/RoamingDialogFragment.java
index d24967b..384a120 100644
--- a/src/com/android/phone/RoamingDialogFragment.java
+++ b/src/com/android/phone/RoamingDialogFragment.java
@@ -35,6 +35,7 @@
 
     public static final String SUB_ID_KEY = "sub_id_key";
 
+    private CarrierConfigManager mCarrierConfigManager;
     private int mSubId;
 
     /**
@@ -52,6 +53,7 @@
         super.onAttach(context);
         Bundle args = getArguments();
         mSubId = args.getInt(SUB_ID_KEY);
+        mCarrierConfigManager = new CarrierConfigManager(context);
 
         // Verify host activity implemented callback interface
         FragmentManager fragmentManager = getFragmentManager();
@@ -68,8 +70,7 @@
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
         int title = R.string.roaming_alert_title;
-        PersistableBundle carrierConfig =
-                PhoneGlobals.getInstance().getCarrierConfigForSubId(mSubId);
+        PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
         if (carrierConfig != null && carrierConfig.getBoolean(
                 CarrierConfigManager.KEY_CHECK_PRICING_WITH_CARRIER_FOR_DATA_ROAMING_BOOL)) {
             title = R.string.roaming_check_price_warning;
diff --git a/src/com/android/services/telephony/TelephonyConnection.java b/src/com/android/services/telephony/TelephonyConnection.java
index 7d25767..440a504 100644
--- a/src/com/android/services/telephony/TelephonyConnection.java
+++ b/src/com/android/services/telephony/TelephonyConnection.java
@@ -602,6 +602,11 @@
                 com.android.internal.telephony.Connection newConnection) {
             setOriginalConnection(newConnection);
         }
+
+        @Override
+        public void onIsNetworkEmergencyCallChanged(boolean isEmergencyCall) {
+            setIsNetworkIdentifiedEmergencyCall(isEmergencyCall);
+        }
     };
 
     protected com.android.internal.telephony.Connection mOriginalConnection;
@@ -640,6 +645,15 @@
     private boolean mTreatAsEmergencyCall;
 
     /**
+     * Indicates whether the network has identified this call as an emergency call.  Where
+     * {@link #mTreatAsEmergencyCall} is based on comparing dialed numbers to a list of known
+     * emergency numbers, this property is based on whether the network itself has identified the
+     * call as an emergency call (which can be the case for an incoming call from emergency
+     * services).
+     */
+    private boolean mIsNetworkIdentifiedEmergencyCall;
+
+    /**
      * For video calls, indicates whether the outgoing video for the call can be paused using
      * the {@link android.telecom.VideoProfile#STATE_PAUSED} VideoState.
      */
@@ -1058,6 +1072,8 @@
         newProperties = changeBitmask(newProperties, PROPERTY_ASSISTED_DIALING_USED,
                 mIsUsingAssistedDialing);
         newProperties = changeBitmask(newProperties, PROPERTY_IS_RTT, isRtt());
+        newProperties = changeBitmask(newProperties, PROPERTY_NETWORK_IDENTIFIED_EMERGENCY_CALL,
+                isNetworkIdentifiedEmergencyCall());
 
         if (getConnectionProperties() != newProperties) {
             setConnectionProperties(newProperties);
@@ -1137,6 +1153,7 @@
         // Set video state and capabilities
         setVideoState(mOriginalConnection.getVideoState());
         setOriginalConnectionCapabilities(mOriginalConnection.getConnectionCapabilities());
+        setIsNetworkIdentifiedEmergencyCall(mOriginalConnection.isNetworkIdentifiedEmergencyCall());
         setAudioModeIsVoip(mOriginalConnection.getAudioModeIsVoip());
         setVideoProvider(mOriginalConnection.getVideoProvider());
         setAudioQuality(mOriginalConnection.getAudioQuality());
@@ -1859,6 +1876,27 @@
     }
 
     /**
+     * Sets whether this call has been identified by the network as an emergency call.
+     * @param isNetworkIdentifiedEmergencyCall {@code true} if the network has identified this call
+     * as an emergency call, {@code false} otherwise.
+     */
+    public void setIsNetworkIdentifiedEmergencyCall(boolean isNetworkIdentifiedEmergencyCall) {
+        Log.d(this, "setIsNetworkIdentifiedEmergencyCall; callId=%s, "
+                + "isNetworkIdentifiedEmergencyCall=%b", getTelecomCallId(),
+                isNetworkIdentifiedEmergencyCall);
+        mIsNetworkIdentifiedEmergencyCall = isNetworkIdentifiedEmergencyCall;
+        updateConnectionProperties();
+    }
+
+    /**
+     * @return {@code true} if the network has identified this call as an emergency call,
+     * {@code false} otherwise.
+     */
+    public boolean isNetworkIdentifiedEmergencyCall() {
+        return mIsNetworkIdentifiedEmergencyCall;
+    }
+
+    /**
      * @return {@code true} if this is an outgoing call, {@code false} otherwise.
      */
     boolean isOutgoingCall() {