Add emergencyOnly indicator in ServiceState.

For bug 2536842 to show signal strength in Emergency mode.

The STATE_EMERGENCY_ONLY of ServiceState is not in-use.

So add a hide interface to indicate Emergency mode.

Change-Id: I19398ac5e73a722dcaaf744347f961d1fa7513ac

2 files changed, 37 insertions, 16 deletions

diff --git a/telephony/java/android/telephony/ServiceState.java b/telephony/java/android/telephony/ServiceState.java
index 48a40fa..6c66559 100644
--- a/telephony/java/android/telephony/ServiceState.java
+++ b/telephony/java/android/telephony/ServiceState.java
@@ -113,6 +113,8 @@ public class ServiceState implements Parcelable {
     private String mOperatorNumeric;
     private boolean mIsManualNetworkSelection;
 
+    private boolean mIsEmergencyOnly;
+
     //***** CDMA
     private int mRadioTechnology;
     private boolean mCssIndicator;
@@ -170,6 +172,7 @@ public class ServiceState implements Parcelable {
         mCdmaDefaultRoamingIndicator = s.mCdmaDefaultRoamingIndicator;
         mCdmaEriIconIndex = s.mCdmaEriIconIndex;
         mCdmaEriIconMode = s.mCdmaEriIconMode;
+        mIsEmergencyOnly = s.mIsEmergencyOnly;
     }
 
     /**
@@ -190,6 +193,7 @@ public class ServiceState implements Parcelable {
         mCdmaDefaultRoamingIndicator = in.readInt();
         mCdmaEriIconIndex = in.readInt();
         mCdmaEriIconMode = in.readInt();
+        mIsEmergencyOnly = in.readInt() != 0;
     }
 
     public void writeToParcel(Parcel out, int flags) {
@@ -207,6 +211,7 @@ public class ServiceState implements Parcelable {
         out.writeInt(mCdmaDefaultRoamingIndicator);
         out.writeInt(mCdmaEriIconIndex);
         out.writeInt(mCdmaEriIconMode);
+        out.writeInt(mIsEmergencyOnly ? 1 : 0);
     }
 
     public int describeContents() {
@@ -250,6 +255,13 @@ public class ServiceState implements Parcelable {
     /**
      * @hide
      */
+    public boolean isEmergencyOnly() {
+        return mIsEmergencyOnly;
+    }
+
+    /**
+     * @hide
+     */
     public int getCdmaRoamingIndicator(){
         return this.mCdmaRoamingIndicator;
     }
@@ -330,7 +342,8 @@ public class ServiceState implements Parcelable {
                 + ((null == mOperatorAlphaShort) ? 0 : mOperatorAlphaShort.hashCode())
                 + ((null == mOperatorNumeric) ? 0 : mOperatorNumeric.hashCode())
                 + mCdmaRoamingIndicator
-                + mCdmaDefaultRoamingIndicator);
+                + mCdmaDefaultRoamingIndicator
+                + (mIsEmergencyOnly ? 1 : 0));
     }
 
     @Override
@@ -359,7 +372,8 @@ public class ServiceState implements Parcelable {
                 && equalsHandlesNulls(mSystemId, s.mSystemId)
                 && equalsHandlesNulls(mCdmaRoamingIndicator, s.mCdmaRoamingIndicator)
                 && equalsHandlesNulls(mCdmaDefaultRoamingIndicator,
-                        s.mCdmaDefaultRoamingIndicator));
+                        s.mCdmaDefaultRoamingIndicator)
+                && mIsEmergencyOnly == s.mIsEmergencyOnly);
     }
 
     @Override
@@ -418,7 +432,8 @@ public class ServiceState implements Parcelable {
                 + " " + mNetworkId
                 + " " + mSystemId
                 + "RoamInd: " + mCdmaRoamingIndicator
-                + "DefRoamInd: " + mCdmaDefaultRoamingIndicator);
+                + "DefRoamInd: " + mCdmaDefaultRoamingIndicator
+                + "EmergOnly: " + mIsEmergencyOnly);
     }
 
     public void setStateOutOfService() {
@@ -436,6 +451,7 @@ public class ServiceState implements Parcelable {
         mCdmaDefaultRoamingIndicator = -1;
         mCdmaEriIconIndex = -1;
         mCdmaEriIconMode = -1;
+        mIsEmergencyOnly = false;
     }
 
     // TODO - can't this be combined with the above func..
@@ -454,6 +470,7 @@ public class ServiceState implements Parcelable {
         mCdmaDefaultRoamingIndicator = -1;
         mCdmaEriIconIndex = -1;
         mCdmaEriIconMode = -1;
+        mIsEmergencyOnly = false;
     }
 
     public void setState(int state) {
@@ -464,6 +481,14 @@ public class ServiceState implements Parcelable {
         mRoaming = roaming;
     }
 
+
+    /**
+     * @hide
+     */
+    public void setEmergencyOnly(boolean emergencyOnly) {
+        mIsEmergencyOnly = emergencyOnly;
+    }
+
     /**
      * @hide
      */
@@ -542,6 +567,7 @@ public class ServiceState implements Parcelable {
         mSystemId = m.getInt("systemId");
         mCdmaRoamingIndicator = m.getInt("cdmaRoamingIndicator");
         mCdmaDefaultRoamingIndicator = m.getInt("cdmaDefaultRoamingIndicator");
+        mIsEmergencyOnly = m.getBoolean("emergencyOnly");
     }
 
     /**
@@ -563,6 +589,7 @@ public class ServiceState implements Parcelable {
         m.putInt("systemId", mSystemId);
         m.putInt("cdmaRoamingIndicator", mCdmaRoamingIndicator);
         m.putInt("cdmaDefaultRoamingIndicator", mCdmaDefaultRoamingIndicator);
+        m.putBoolean("emergencyOnly", Boolean.valueOf(mIsEmergencyOnly));
     }
 
     //***** CDMA
diff --git a/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java b/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java
index e4fcf6c..50b8eba 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GsmServiceStateTracker.java
@@ -102,7 +102,6 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
      * Mark when service state is in emergency call only mode
      */
     private boolean mEmergencyOnly = false;
-    private boolean mNewEmergencyOnly = false;
 
     private RegistrantList gprsAttachedRegistrants = new RegistrantList();
     private RegistrantList gprsDetachedRegistrants = new RegistrantList();
@@ -591,8 +590,8 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
         if (rule != curSpnRule
                 || !TextUtils.equals(spn, curSpn)
                 || !TextUtils.equals(plmn, curPlmn)) {
-            boolean showSpn = mEmergencyOnly
-                || (rule & SIMRecords.SPN_RULE_SHOW_SPN) == SIMRecords.SPN_RULE_SHOW_SPN;
+            boolean showSpn = !mEmergencyOnly
+                && (rule & SIMRecords.SPN_RULE_SHOW_SPN) == SIMRecords.SPN_RULE_SHOW_SPN;
             boolean showPlmn =
                 (rule & SIMRecords.SPN_RULE_SHOW_PLMN) == SIMRecords.SPN_RULE_SHOW_PLMN;
 
@@ -672,9 +671,9 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
                     newSS.setState (regCodeToServiceState(regState));
 
                     if (regState == 10 || regState == 12 || regState == 13 || regState == 14) {
-                        mNewEmergencyOnly = true;
+                        mEmergencyOnly = true;
                     } else {
-                        mNewEmergencyOnly = false;
+                        mEmergencyOnly = false;
                     }
 
                     // LAC and CID are -1 if not avail
@@ -741,6 +740,7 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
                 roaming = false;
             }
             newSS.setRoaming(roaming);
+            newSS.setEmergencyOnly(mEmergencyOnly);
             pollStateDone();
         }
     }
@@ -886,8 +886,6 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
 
         boolean hasLocationChanged = !newCellLoc.equals(cellLoc);
 
-        boolean hasEmergencyOnlyChanged = mNewEmergencyOnly != mEmergencyOnly;
-
         // Add an event log when connection state changes
         if (ss.getState() != newSS.getState() || gprsState != newGPRSState) {
             EventLog.writeEvent(EventLogTags.GSM_SERVICE_STATE_CHANGE,
@@ -905,8 +903,6 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
         cellLoc = newCellLoc;
         newCellLoc = tcl;
 
-        mEmergencyOnly = mNewEmergencyOnly;
-
         // Add an event log when network type switched
         // TODO: we may add filtering to reduce the event logged,
         // i.e. check preferred network setting, only switch to 2G, etc
@@ -937,6 +933,8 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
         if (hasChanged) {
             String operatorNumeric;
 
+            updateSpnDisplay();
+
             phone.setSystemProperty(TelephonyProperties.PROPERTY_OPERATOR_ALPHA,
                 ss.getOperatorAlphaLong());
 
@@ -1005,10 +1003,6 @@ final class GsmServiceStateTracker extends ServiceStateTracker {
             phone.notifyServiceStateChanged(ss);
         }
 
-        if (hasChanged || hasEmergencyOnlyChanged) {
-            updateSpnDisplay();
-        }
-
         if (hasGprsAttached) {
             gprsAttachedRegistrants.notifyRegistrants();
         }