From a35059abbec801b20d8f75199d8b30cba981e4ce Mon Sep 17 00:00:00 2001
From: Christine Chen <christinech@google.com>
Date: Mon, 30 Sep 2013 14:43:03 -0700
Subject: Filters out legacy unknown numbers.

- Adds "-1", "-2", "-3" as unknown number placeholders for legacy
  reasons.
- Disable calling feature for these numbers.
- Show caller info as "Unknown" for these numbers.

Bug: 10966248
Change-Id: Ibb7904685decbc602db33a56c7709279728e503d
---
 src/com/android/dialer/calllog/PhoneNumberHelper.java     |  3 +++
 .../android/dialer/calllog/PhoneNumberUtilsWrapper.java   | 15 ++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/com/android/dialer/calllog/PhoneNumberHelper.java b/src/com/android/dialer/calllog/PhoneNumberHelper.java
index 9e1d816b2..5a882e8a8 100644
--- a/src/com/android/dialer/calllog/PhoneNumberHelper.java
+++ b/src/com/android/dialer/calllog/PhoneNumberHelper.java
@@ -56,6 +56,9 @@ public class PhoneNumberHelper {
         if (new PhoneNumberUtilsWrapper().isVoicemailNumber(number)) {
             return mResources.getString(R.string.voicemail);
         }
+        if (PhoneNumberUtilsWrapper.isLegacyUnknownNumbers(number)) {
+            return mResources.getString(R.string.unknown);
+        }
         if (TextUtils.isEmpty(formattedNumber)) {
             return number;
         } else {
diff --git a/src/com/android/dialer/calllog/PhoneNumberUtilsWrapper.java b/src/com/android/dialer/calllog/PhoneNumberUtilsWrapper.java
index c397f0a31..9913c20c6 100644
--- a/src/com/android/dialer/calllog/PhoneNumberUtilsWrapper.java
+++ b/src/com/android/dialer/calllog/PhoneNumberUtilsWrapper.java
@@ -20,15 +20,21 @@ import android.provider.CallLog;
 import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 
+import com.google.android.collect.Sets;
+
+import java.util.Set;
+
 /**
  *
  */
 public class PhoneNumberUtilsWrapper {
 
+    private static final Set<String> LEGACY_UNKNOWN_NUMBERS = Sets.newHashSet("-1", "-2", "-3");
+
     /** Returns true if it is possible to place a call to the given number. */
     public static boolean canPlaceCallsTo(CharSequence number, int presentation) {
         return presentation == CallLog.Calls.PRESENTATION_ALLOWED
-            && !TextUtils.isEmpty(number);
+            && !TextUtils.isEmpty(number) && !isLegacyUnknownNumbers(number);
     }
 
     /**
@@ -71,6 +77,13 @@ public class PhoneNumberUtilsWrapper {
         if (new PhoneNumberUtilsWrapper().isVoicemailNumber(number)) {
             return false;
         }
+        if (isLegacyUnknownNumbers(number.toString())) {
+            return false;
+        }
         return true;
     }
+
+    public static boolean isLegacyUnknownNumbers(CharSequence number) {
+        return LEGACY_UNKNOWN_NUMBERS.contains(number.toString());
+    }
 }
-- 
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