Lock screen text: consider possible WFC service in APM

Bug: 22302226
Change-Id: Icd885b45ced2b57665fbed54ec6caac36839db6c

2 files changed, 74 insertions, 3 deletions

diff --git a/packages/Keyguard/src/com/android/keyguard/CarrierText.java b/packages/Keyguard/src/com/android/keyguard/CarrierText.java
index e083c9c..e89caf7 100644
--- a/packages/Keyguard/src/com/android/keyguard/CarrierText.java
+++ b/packages/Keyguard/src/com/android/keyguard/CarrierText.java
@@ -23,8 +23,11 @@ import java.util.Objects;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.net.ConnectivityManager;
+import android.net.wifi.WifiManager;
+import android.telephony.ServiceState;
 import android.telephony.SubscriptionInfo;
 import android.text.TextUtils;
 import android.text.method.SingleLineTransformationMethod;
@@ -48,6 +51,8 @@ public class CarrierText extends TextView {
 
     private KeyguardUpdateMonitor mKeyguardUpdateMonitor;
 
+    private WifiManager mWifiManager;
+
     private KeyguardUpdateMonitorCallback mCallback = new KeyguardUpdateMonitorCallback() {
         @Override
         public void onRefreshCarrierInfo() {
@@ -93,24 +98,46 @@ public class CarrierText extends TextView {
             a.recycle();
         }
         setTransformationMethod(new CarrierTextTransformationMethod(mContext, useAllCaps));
+
+        mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
     }
 
     protected void updateCarrierText() {
         boolean allSimsMissing = true;
+        boolean anySimReadyAndInService = false;
         CharSequence displayText = null;
 
         List<SubscriptionInfo> subs = mKeyguardUpdateMonitor.getSubscriptionInfo(false);
         final int N = subs.size();
         if (DEBUG) Log.d(TAG, "updateCarrierText(): " + N);
         for (int i = 0; i < N; i++) {
-            State simState = mKeyguardUpdateMonitor.getSimState(subs.get(i).getSubscriptionId());
+            int subId = subs.get(i).getSubscriptionId();
+            State simState = mKeyguardUpdateMonitor.getSimState(subId);
             CharSequence carrierName = subs.get(i).getCarrierName();
             CharSequence carrierTextForSimState = getCarrierTextForSimState(simState, carrierName);
-            if (DEBUG) Log.d(TAG, "Handling " + simState + " " + carrierName);
+            if (DEBUG) {
+                Log.d(TAG, "Handling (subId=" + subId + "): " + simState + " " + carrierName);
+            }
             if (carrierTextForSimState != null) {
                 allSimsMissing = false;
                 displayText = concatenate(displayText, carrierTextForSimState);
             }
+            if (simState == IccCardConstants.State.READY) {
+                ServiceState ss = mKeyguardUpdateMonitor.mServiceStates.get(subId);
+                if (ss != null && ss.getDataRegState() == ServiceState.STATE_IN_SERVICE) {
+                    // hack for WFC (IWLAN) not turning off immediately once
+                    // Wi-Fi is disassociated or disabled
+                    if (ss.getRilDataRadioTechnology() != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN
+                            || (mWifiManager.isWifiEnabled()
+                                    && mWifiManager.getConnectionInfo() != null
+                                    && mWifiManager.getConnectionInfo().getBSSID() != null)) {
+                        if (DEBUG) {
+                            Log.d(TAG, "SIM ready and in service: subId=" + subId + ", ss=" + ss);
+                        }
+                        anySimReadyAndInService = true;
+                    }
+                }
+            }
         }
         if (allSimsMissing) {
             if (N != 0) {
@@ -152,7 +179,10 @@ public class CarrierText extends TextView {
                         getContext().getText(R.string.keyguard_missing_sim_message_short), text);
             }
         }
-        if (WirelessUtils.isAirplaneModeOn(mContext)) {
+
+        // APM (airplane mode) != no carrier state. There are carrier services
+        // (e.g. WFC = Wi-Fi calling) which may operate in APM.
+        if (!anySimReadyAndInService && WirelessUtils.isAirplaneModeOn(mContext)) {
             displayText = getContext().getString(R.string.airplane_mode);
         }
         setText(displayText);
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
index a0174a7..581c15b 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -56,6 +56,7 @@ import com.android.internal.telephony.TelephonyIntents;
 import android.hardware.fingerprint.FingerprintManager;
 import android.hardware.fingerprint.FingerprintManager.AuthenticationCallback;
 import android.hardware.fingerprint.FingerprintManager.AuthenticationResult;
+import android.telephony.ServiceState;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
@@ -118,11 +119,13 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
     private static final int MSG_FACE_UNLOCK_STATE_CHANGED = 327;
     private static final int MSG_SIM_SUBSCRIPTION_INFO_CHANGED = 328;
     private static final int MSG_AIRPLANE_MODE_CHANGED = 329;
+    private static final int MSG_SERVICE_STATE_CHANGE = 330;
 
     private static KeyguardUpdateMonitor sInstance;
 
     private final Context mContext;
     HashMap<Integer, SimData> mSimDatas = new HashMap<Integer, SimData>();
+    HashMap<Integer, ServiceState> mServiceStates = new HashMap<Integer, ServiceState>();
 
     private int mRingMode;
     private int mPhoneState;
@@ -226,6 +229,9 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
                 case MSG_AIRPLANE_MODE_CHANGED:
                     handleAirplaneModeChanged();
                     break;
+                case MSG_SERVICE_STATE_CHANGE:
+                    handleServiceStateChange(msg.arg1, (ServiceState) msg.obj);
+                    break;
             }
         }
     };
@@ -503,6 +509,16 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
                 mHandler.sendEmptyMessage(MSG_AIRPLANE_MODE_CHANGED);
             } else if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {
                 dispatchBootCompleted();
+            } else if (TelephonyIntents.ACTION_SERVICE_STATE_CHANGED.equals(action)) {
+                ServiceState serviceState = ServiceState.newFromBundle(intent.getExtras());
+                int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY,
+                        SubscriptionManager.INVALID_SUBSCRIPTION_ID);
+                if (DEBUG) {
+                    Log.v(TAG, "action " + action + " serviceState=" + serviceState + " subId="
+                            + subId);
+                }
+                mHandler.sendMessage(
+                        mHandler.obtainMessage(MSG_SERVICE_STATE_CHANGE, subId, 0, serviceState));
             }
         }
     };
@@ -738,6 +754,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
         filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
         filter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED);
         filter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
+        filter.addAction(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED);
         filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
         filter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION);
         context.registerReceiver(mBroadcastReceiver, filter);
@@ -1058,6 +1075,30 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
     }
 
     /**
+     * Handle {@link #MSG_SERVICE_STATE_CHANGE}
+     */
+    private void handleServiceStateChange(int subId, ServiceState serviceState) {
+        if (DEBUG) {
+            Log.d(TAG,
+                    "handleServiceStateChange(subId=" + subId + ", serviceState=" + serviceState);
+        }
+
+        if (!SubscriptionManager.isValidSubscriptionId(subId)) {
+            Log.w(TAG, "invalid subId in handleServiceStateChange()");
+            return;
+        }
+
+        mServiceStates.put(subId, serviceState);
+
+        for (int j = 0; j < mCallbacks.size(); j++) {
+            KeyguardUpdateMonitorCallback cb = mCallbacks.get(j).get();
+            if (cb != null) {
+                cb.onRefreshCarrierInfo();
+            }
+        }
+    }
+
+    /**
      * Handle {@link #MSG_KEYGUARD_VISIBILITY_CHANGED}
      */
     private void handleKeyguardVisibilityChanged(int showing) {