From 15514ef56ad1fa949dedab13bd1db0ade4b6fba9 Mon Sep 17 00:00:00 2001
From: wangqi <wangqi@google.com>
Date: Wed, 4 Apr 2018 10:50:13 -0700
Subject: Disable RTT request button when the call is not active yet.

Bug: 70177426
Test: unit
PiperOrigin-RevId: 191612825
Change-Id: I1a72ca86fe9c74fb6420dcfa14f417a8aa6bd5d7
---
 java/com/android/incallui/CallButtonPresenter.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/java/com/android/incallui/CallButtonPresenter.java b/java/com/android/incallui/CallButtonPresenter.java
index 833460398..7e05badfe 100644
--- a/java/com/android/incallui/CallButtonPresenter.java
+++ b/java/com/android/incallui/CallButtonPresenter.java
@@ -42,6 +42,7 @@ import com.android.incallui.audiomode.AudioModeProvider.AudioModeListener;
 import com.android.incallui.call.CallList;
 import com.android.incallui.call.DialerCall;
 import com.android.incallui.call.DialerCall.CameraDirection;
+import com.android.incallui.call.DialerCall.State;
 import com.android.incallui.call.TelecomAdapter;
 import com.android.incallui.incall.protocol.InCallButtonIds;
 import com.android.incallui.incall.protocol.InCallButtonUi;
@@ -480,6 +481,7 @@ public class CallButtonPresenter
             && InCallPresenter.getInstance().getCallList().getAllCalls().size() == 1;
 
     boolean showUpgradeToRtt = call.canUpgradeToRttCall();
+    boolean enableUpgradeToRtt = showUpgradeToRtt && call.getState() == State.ACTIVE;
 
     inCallButtonUi.showButton(InCallButtonIds.BUTTON_AUDIO, true);
     inCallButtonUi.showButton(InCallButtonIds.BUTTON_SWAP, showSwap);
@@ -491,6 +493,7 @@ public class CallButtonPresenter
     inCallButtonUi.enableButton(InCallButtonIds.BUTTON_ADD_CALL, showAddCall);
     inCallButtonUi.showButton(InCallButtonIds.BUTTON_UPGRADE_TO_VIDEO, showUpgradeToVideo);
     inCallButtonUi.showButton(InCallButtonIds.BUTTON_UPGRADE_TO_RTT, showUpgradeToRtt);
+    inCallButtonUi.enableButton(InCallButtonIds.BUTTON_UPGRADE_TO_RTT, enableUpgradeToRtt);
     inCallButtonUi.showButton(InCallButtonIds.BUTTON_DOWNGRADE_TO_AUDIO, showDowngradeToAudio);
     inCallButtonUi.showButton(
         InCallButtonIds.BUTTON_SWITCH_CAMERA,
-- 
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