DO NOT MERGE Display no-caller ID reason in InCallUI

Changes to fetch the no-caller ID reason from callsubject extra in the
call object to display in the InCall UI. The callsubject extra would be
populated by the RIL to hold the non-caller ID reason in case of number
presentation that is set to RESTRICTED/UNKOWN and hence we need to
differentiate the contents of this extra in InCallUI.
PS: We should ideally be creating a different extra for the no-caller ID
reason at telephony layer even if RIL sends it in the same exta as call
subject, but that would require API changes.

BUG: 22683773
Change-Id: I4ae51754d7660e4b8c1082d142e2c1860d3f1604

3 files changed, 24 insertions, 9 deletions

diff --git a/InCallUI/src/com/android/incallui/CallerInfo.java b/InCallUI/src/com/android/incallui/CallerInfo.java
index f11ea850b..4ea4970a3 100644
--- a/InCallUI/src/com/android/incallui/CallerInfo.java
+++ b/InCallUI/src/com/android/incallui/CallerInfo.java
@@ -148,6 +148,12 @@ public class CallerInfo {
      */
     public boolean isCachedPhotoCurrent;
 
+    /**
+     * String which holds the call subject sent as extra from the lower layers for this call. This
+     * is used to display the no-caller ID reason for restricted/unknown number presentation.
+     */
+    public String callSubject;
+
     private boolean mIsEmergency;
     private boolean mIsVoiceMail;
 
diff --git a/InCallUI/src/com/android/incallui/CallerInfoUtils.java b/InCallUI/src/com/android/incallui/CallerInfoUtils.java
index 26542c384..31fc9f1e6 100644
--- a/InCallUI/src/com/android/incallui/CallerInfoUtils.java
+++ b/InCallUI/src/com/android/incallui/CallerInfoUtils.java
@@ -62,6 +62,7 @@ public class CallerInfoUtils {
         info.name = info.cnapName;
         info.numberPresentation = call.getNumberPresentation();
         info.namePresentation = call.getCnapNamePresentation();
+        info.callSubject = call.getCallSubject();
 
         String number = call.getNumber();
         if (!TextUtils.isEmpty(number)) {
diff --git a/InCallUI/src/com/android/incallui/ContactInfoCache.java b/InCallUI/src/com/android/incallui/ContactInfoCache.java
index 6bbe52f46..9894f5532 100644
--- a/InCallUI/src/com/android/incallui/ContactInfoCache.java
+++ b/InCallUI/src/com/android/incallui/ContactInfoCache.java
@@ -490,13 +490,13 @@ public class ContactInfoCache implements ContactsAsyncHelper.OnImageLoadComplete
                 if (TextUtils.isEmpty(number)) {
                     // No name *or* number! Display a generic "unknown" string
                     // (or potentially some other default based on the presentation.)
-                    displayName = getPresentationString(context, presentation);
+                    displayName = getPresentationString(context, presentation, info.callSubject);
                     Log.d(TAG, "  ==> no name *or* number! displayName = " + displayName);
                 } else if (presentation != TelecomManager.PRESENTATION_ALLOWED) {
                     // This case should never happen since the network should never send a phone #
                     // AND a restricted presentation. However we leave it here in case of weird
                     // network behavior
-                    displayName = getPresentationString(context, presentation);
+                    displayName = getPresentationString(context, presentation, info.callSubject);
                     Log.d(TAG, "  ==> presentation not allowed! displayName = " + displayName);
                 } else if (!TextUtils.isEmpty(info.cnapName)) {
                     // No name, but we do have a valid CNAP name, so use that.
@@ -533,7 +533,7 @@ public class ContactInfoCache implements ContactsAsyncHelper.OnImageLoadComplete
                     // This case should never happen since the network should never send a name
                     // AND a restricted presentation. However we leave it here in case of weird
                     // network behavior
-                    displayName = getPresentationString(context, presentation);
+                    displayName = getPresentationString(context, presentation, info.callSubject);
                     Log.d(TAG, "  ==> valid name, but presentation not allowed!" +
                             " displayName = " + displayName);
                 } else {
@@ -594,14 +594,22 @@ public class ContactInfoCache implements ContactsAsyncHelper.OnImageLoadComplete
     }
 
     /**
-     * Gets name strings based on some special presentation modes.
+     * Gets name strings based on some special presentation modes and the associated custom label.
      */
-    private static String getPresentationString(Context context, int presentation) {
+    private static String getPresentationString(Context context, int presentation,
+             String customLabel) {
         String name = context.getString(R.string.unknown);
-        if (presentation == TelecomManager.PRESENTATION_RESTRICTED) {
-            name = context.getString(R.string.private_num);
-        } else if (presentation == TelecomManager.PRESENTATION_PAYPHONE) {
-            name = context.getString(R.string.payphone);
+        if (!TextUtils.isEmpty(customLabel) &&
+                ((presentation == TelecomManager.PRESENTATION_UNKNOWN) ||
+                 (presentation == TelecomManager.PRESENTATION_RESTRICTED))) {
+            name = customLabel;
+            return name;
+        } else {
+            if (presentation == TelecomManager.PRESENTATION_RESTRICTED) {
+                name = context.getString(R.string.private_num);
+            } else if (presentation == TelecomManager.PRESENTATION_PAYPHONE) {
+                name = context.getString(R.string.payphone);
+            }
         }
         return name;
     }