From ee57508851800b757e1d2f1b92da50ae6630d541 Mon Sep 17 00:00:00 2001
From: Hall Liu <hallliu@google.com>
Date: Mon, 29 Jan 2018 17:22:02 -0800
Subject: [PATCH] Add setting and logging for RTT

Add a system setting to store preferred RTT mode for calls. Add logging
for RTT in Telecom base classes.

Bug: 63934808
Test: manual
Change-Id: Ie26fac800931604379bbe7b8abfed7caa8c0236d
Merged-In: Ie26fac800931604379bbe7b8abfed7caa8c0236d
---
 core/java/android/provider/Settings.java      | 16 ++++++++++++++++
 telecomm/java/android/telecom/Connection.java |  5 +++++
 2 files changed, 21 insertions(+)

diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 5dd4681112f98..86f48214db005 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -3664,6 +3664,20 @@ public final class Settings {
         /** @hide */
         public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
 
+        /**
+         * User-selected RTT mode
+         * 0 = OFF
+         * 1 = FULL
+         * 2 = VCO
+         * 3 = HCO
+         * Uses the same constants as TTY (e.g. {@link android.telecom.TelecomManager#TTY_MODE_OFF})
+         * @hide
+         */
+        public static final String RTT_CALLING_MODE = "rtt_calling_mode";
+
+        /** @hide */
+        public static final Validator RTT_CALLING_MODE_VALIDATOR = TTY_MODE_VALIDATOR;
+
         /**
          * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
          * boolean (1 or 0).
@@ -3984,6 +3998,7 @@ public final class Settings {
             DTMF_TONE_WHEN_DIALING,
             DTMF_TONE_TYPE_WHEN_DIALING,
             HEARING_AID,
+            RTT_CALLING_MODE,
             TTY_MODE,
             MASTER_MONO,
             SOUND_EFFECTS_ENABLED,
@@ -4167,6 +4182,7 @@ public final class Settings {
             VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
             VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
             VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
+            VALIDATORS.put(RTT_CALLING_MODE, RTT_CALLING_MODE_VALIDATOR);
             VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
             VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
             VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 69cc3dedf256d..32035f618c8a3 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -796,6 +796,10 @@ public abstract class Connection extends Conferenceable {
             builder.append(isLong ? " PROPERTY_HAS_CDMA_VOICE_PRIVACY" : " priv");
         }
 
+        if (can(properties, PROPERTY_IS_RTT)) {
+            builder.append(isLong ? " PROPERTY_IS_RTT" : " rtt");
+        }
+
         builder.append("]");
         return builder.toString();
     }
@@ -2649,6 +2653,7 @@ public abstract class Connection extends Conferenceable {
      */
     @TestApi
     public final void sendRttSessionRemotelyTerminated() {
+        unsetRttProperty();
         mListeners.forEach((l) -> l.onRttSessionRemotelyTerminated(Connection.this));
     }