Add upgrade to RTT call button.

This button has higher priority over add call button if RTT is enabled.

Bug: 67596257
Test: ButtonChooserIntegrationTest
PiperOrigin-RevId: 191129313
Change-Id: I5a3302a0970e77a933439749e0e559a691235523

7 files changed, 36 insertions, 2 deletions

diff --git a/java/com/android/incallui/incall/impl/ButtonChooserFactory.java b/java/com/android/incallui/incall/impl/ButtonChooserFactory.java
index 2a0894047..757d81352 100644
--- a/java/com/android/incallui/incall/impl/ButtonChooserFactory.java
+++ b/java/com/android/incallui/incall/impl/ButtonChooserFactory.java
@@ -57,6 +57,9 @@ class ButtonChooserFactory {
     mapping.put(
         InCallButtonIds.BUTTON_MANAGE_VOICE_CONFERENCE,
         MappingInfo.builder(4).setSlotOrder(0).build());
+    // RTT call is only supported on IMS and WiFi.
+    mapping.put(
+        InCallButtonIds.BUTTON_UPGRADE_TO_RTT, MappingInfo.builder(3).setSlotOrder(0).build());
     mapping.put(
         InCallButtonIds.BUTTON_UPGRADE_TO_VIDEO, MappingInfo.builder(4).setSlotOrder(10).build());
     mapping.put(
@@ -114,7 +117,7 @@ class ButtonChooserFactory {
     mapping.put(InCallButtonIds.BUTTON_MUTE, MappingInfo.builder(0).build());
     mapping.put(InCallButtonIds.BUTTON_DIALPAD, MappingInfo.builder(1).build());
     mapping.put(InCallButtonIds.BUTTON_AUDIO, MappingInfo.builder(2).build());
-    mapping.put(InCallButtonIds.BUTTON_MERGE, MappingInfo.builder(3).setSlotOrder(0).build());
+    mapping.put(InCallButtonIds.BUTTON_MERGE, MappingInfo.builder(3).setSlotOrder(5).build());
     mapping.put(InCallButtonIds.BUTTON_ADD_CALL, MappingInfo.builder(3).build());
     mapping.put(InCallButtonIds.BUTTON_SWAP_SIM, MappingInfo.builder(4).build());
     return mapping;
diff --git a/java/com/android/incallui/incall/impl/ButtonController.java b/java/com/android/incallui/incall/impl/ButtonController.java
index 98460c704..9106dab9d 100644
--- a/java/com/android/incallui/incall/impl/ButtonController.java
+++ b/java/com/android/incallui/incall/impl/ButtonController.java
@@ -519,6 +519,24 @@ interface ButtonController {
     }
   }
 
+  class UpgradeToRttButtonController extends SimpleNonCheckableButtonController {
+
+    public UpgradeToRttButtonController(@NonNull InCallButtonUiDelegate delegate) {
+      super(
+          delegate,
+          InCallButtonIds.BUTTON_UPGRADE_TO_RTT,
+          0,
+          R.string.incall_label_rttcall,
+          R.drawable.quantum_ic_rtt_vd_theme_24);
+      Assert.isNotNull(delegate);
+    }
+
+    @Override
+    public void onClick(View view) {
+      delegate.changeToRttClicked();
+    }
+  }
+
   class ManageConferenceButtonController extends SimpleNonCheckableButtonController {
 
     private final InCallScreenDelegate inCallScreenDelegate;
diff --git a/java/com/android/incallui/incall/impl/InCallFragment.java b/java/com/android/incallui/incall/impl/InCallFragment.java
index fb8c2c403..6f0ba60b8 100644
--- a/java/com/android/incallui/incall/impl/InCallFragment.java
+++ b/java/com/android/incallui/incall/impl/InCallFragment.java
@@ -54,6 +54,7 @@ import com.android.incallui.audioroute.AudioRouteSelectorDialogFragment.AudioRou
 import com.android.incallui.contactgrid.ContactGridManager;
 import com.android.incallui.hold.OnHoldFragment;
 import com.android.incallui.incall.impl.ButtonController.SpeakerButtonController;
+import com.android.incallui.incall.impl.ButtonController.UpgradeToRttButtonController;
 import com.android.incallui.incall.impl.InCallButtonGridFragment.OnButtonGridCreatedListener;
 import com.android.incallui.incall.protocol.InCallButtonIds;
 import com.android.incallui.incall.protocol.InCallButtonIdsExtension;
@@ -114,7 +115,8 @@ public class InCallFragment extends Fragment
         || id == InCallButtonIds.BUTTON_ADD_CALL
         || id == InCallButtonIds.BUTTON_MERGE
         || id == InCallButtonIds.BUTTON_MANAGE_VOICE_CONFERENCE
-        || id == InCallButtonIds.BUTTON_SWAP_SIM;
+        || id == InCallButtonIds.BUTTON_SWAP_SIM
+        || id == InCallButtonIds.BUTTON_UPGRADE_TO_RTT;
   }
 
   @Override
@@ -226,6 +228,7 @@ public class InCallFragment extends Fragment
     buttonControllers.add(new ButtonController.SwapSimButtonController(inCallButtonUiDelegate));
     buttonControllers.add(
         new ButtonController.UpgradeToVideoButtonController(inCallButtonUiDelegate));
+    buttonControllers.add(new UpgradeToRttButtonController(inCallButtonUiDelegate));
     buttonControllers.add(
         new ButtonController.ManageConferenceButtonController(inCallScreenDelegate));
     buttonControllers.add(
diff --git a/java/com/android/incallui/incall/impl/res/values/strings.xml b/java/com/android/incallui/incall/impl/res/values/strings.xml
index d0217566a..c4c40a15d 100644
--- a/java/com/android/incallui/incall/impl/res/values/strings.xml
+++ b/java/com/android/incallui/incall/impl/res/values/strings.xml
@@ -20,6 +20,10 @@
      [CHAR LIMIT=12] -->
   <string name="incall_label_videocall">Video call</string>
 
+  <!-- Button shown during a phone call to upgrade to Real-time Text.
+     [CHAR LIMIT=12] -->
+  <string name="incall_label_rttcall">RTT</string>
+
   <!-- Button shown during a phone call to put the call on hold.
      [CHAR LIMIT=12] -->
   <string name="incall_label_hold">Hold</string>
diff --git a/java/com/android/incallui/incall/protocol/InCallButtonIds.java b/java/com/android/incallui/incall/protocol/InCallButtonIds.java
index 3de533519..80ea75e99 100644
--- a/java/com/android/incallui/incall/protocol/InCallButtonIds.java
+++ b/java/com/android/incallui/incall/protocol/InCallButtonIds.java
@@ -39,6 +39,7 @@ import java.lang.annotation.RetentionPolicy;
   InCallButtonIds.BUTTON_SWITCH_TO_SECONDARY,
   InCallButtonIds.BUTTON_SWAP_SIM,
   InCallButtonIds.BUTTON_COUNT,
+  InCallButtonIds.BUTTON_UPGRADE_TO_RTT
 })
 public @interface InCallButtonIds {
 
@@ -58,4 +59,5 @@ public @interface InCallButtonIds {
   int BUTTON_SWITCH_TO_SECONDARY = 13;
   int BUTTON_SWAP_SIM = 14;
   int BUTTON_COUNT = 15;
+  int BUTTON_UPGRADE_TO_RTT = 16;
 }
diff --git a/java/com/android/incallui/incall/protocol/InCallButtonIdsExtension.java b/java/com/android/incallui/incall/protocol/InCallButtonIdsExtension.java
index db6e9009c..5239d9d34 100644
--- a/java/com/android/incallui/incall/protocol/InCallButtonIdsExtension.java
+++ b/java/com/android/incallui/incall/protocol/InCallButtonIdsExtension.java
@@ -56,6 +56,8 @@ public class InCallButtonIdsExtension {
       return "SWITCH_TO_SECONDARY";
     } else if (id == InCallButtonIds.BUTTON_SWAP_SIM) {
       return "SWAP_SIM";
+    } else if (id == InCallButtonIds.BUTTON_UPGRADE_TO_RTT) {
+      return "UPGRADE_TO_RTT";
     } else {
       return "INVALID_BUTTON: " + id;
     }
diff --git a/java/com/android/incallui/incall/protocol/InCallButtonUiDelegate.java b/java/com/android/incallui/incall/protocol/InCallButtonUiDelegate.java
index 9f9c5fb03..b0e23efcd 100644
--- a/java/com/android/incallui/incall/protocol/InCallButtonUiDelegate.java
+++ b/java/com/android/incallui/incall/protocol/InCallButtonUiDelegate.java
@@ -47,6 +47,8 @@ public interface InCallButtonUiDelegate {
 
   void changeToVideoClicked();
 
+  void changeToRttClicked();
+
   void switchCameraClicked(boolean useFrontFacingCamera);
 
   void toggleCameraClicked();