From bb1dec3b16fd8b1c8ebab6457d33933d134e6151 Mon Sep 17 00:00:00 2001
From: Pawit Pornkitprasan <p.pawit@gmail.com>
Date: Sat, 31 May 2014 12:34:56 +0700
Subject: [PATCH] telephony: support for RIL that does not send UNSOL_CALL_RING

Samsung Broadcom RIL does not send UNSOL_CALL_RING at all, so it
needs to be faked or non loop (e.g. Digital Phone) ringtones
won't work.

Change-Id: Ib7373d32777f6c42ee488972a7aa63ae8e1cd09b
---
 .../com/android/internal/telephony/PhoneBase.java     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/java/com/android/internal/telephony/PhoneBase.java b/src/java/com/android/internal/telephony/PhoneBase.java
index 22c0f43..c450325 100644
--- a/src/java/com/android/internal/telephony/PhoneBase.java
+++ b/src/java/com/android/internal/telephony/PhoneBase.java
@@ -150,6 +150,7 @@ public abstract class PhoneBase extends Handler implements Phone {
     boolean mDnsCheckDisabled;
     public DcTrackerBase mDcTracker;
     boolean mDoesRilSendMultipleCallRing;
+    boolean mDoesRilSendCallRing;
     int mCallRingContinueToken;
     int mCallRingDelay;
     public boolean mIsTheCurrentActivePhone = true;
@@ -326,6 +327,11 @@ public abstract class PhoneBase extends Handler implements Phone {
                 TelephonyProperties.PROPERTY_RIL_SENDS_MULTIPLE_CALL_RING, true);
         Rlog.d(LOG_TAG, "mDoesRilSendMultipleCallRing=" + mDoesRilSendMultipleCallRing);

+        // Some RIL do not even send a single RIL_UNSOL_CALL_RING
+        mDoesRilSendCallRing = SystemProperties.getBoolean(
+                "ro.telephony.call_ring", true);
+        Rlog.d(LOG_TAG, "mDoesRilSendCallRing=" + mDoesRilSendCallRing);
+
         mCallRingDelay = SystemProperties.getInt(
                 TelephonyProperties.PROPERTY_CALL_RING_DELAY, 3000);
         Rlog.d(LOG_TAG, "mCallRingDelay=" + mCallRingDelay);
@@ -1343,6 +1349,18 @@ public abstract class PhoneBase extends Handler implements Phone {
     protected void notifyNewRingingConnectionP(Connection cn) {
         if (!mIsVoiceCapable)
             return;
+
+        // Fake RIL_UNSOL_CALL_RING if the RIL doesn't send it.
+        // Note that we need the delay to prevent the request from
+        // being sent after CallTracker detects "RINGING" state, but
+        // before the correct contact-specific ringtone is queried.
+        // Otherwise, the incorrect ringtone will be used
+        if (!mDoesRilSendCallRing) {
+            int token = ++mCallRingContinueToken;
+            sendMessageDelayed(
+                    obtainMessage(EVENT_CALL_RING_CONTINUE, token, 0), mCallRingDelay);
+        }
+
         AsyncResult ar = new AsyncResult(null, cn, null);
         mNewRingingConnectionRegistrants.notifyRegistrants(ar);
     }
@@ -1484,6 +1502,7 @@ public abstract class PhoneBase extends Handler implements Phone {
         pw.println(" mDnsCheckDisabled=" + mDnsCheckDisabled);
         pw.println(" mDcTracker=" + mDcTracker);
         pw.println(" mDoesRilSendMultipleCallRing=" + mDoesRilSendMultipleCallRing);
+        pw.println(" mDoesRilSendCallRing=" + mDoesRilSendCallRing);
         pw.println(" mCallRingContinueToken=" + mCallRingContinueToken);
         pw.println(" mCallRingDelay=" + mCallRingDelay);
         pw.println(" mIsTheCurrentActivePhone=" + mIsTheCurrentActivePhone);
--
1.8.5.2 (Apple Git-48)