From ab45a32feaea289eb59a7a5150ddb2a7e08159f9 Mon Sep 17 00:00:00 2001
From: Alezia Kurdis <60075796+AleziaKurdis@users.noreply.github.com>
Date: Sat, 26 Sep 2020 00:46:32 -0400
Subject: [PATCH] Add new button in HMD

Add new button in HMD:
- add undo and redo support
- add HMD detection
---
 scripts/system/create/entityList/entityList.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/scripts/system/create/entityList/entityList.js b/scripts/system/create/entityList/entityList.js
index b68dcf80ba..644e68bec8 100644
--- a/scripts/system/create/entityList/entityList.js
+++ b/scripts/system/create/entityList/entityList.js
@@ -3,6 +3,7 @@
 //  entityList.js
 //
 //  Copyright 2014 High Fidelity, Inc.
+//  Copyright 2020 Vircadia contributors.
 //
 //  Distributed under the Apache License, Version 2.0.
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
@@ -73,7 +74,7 @@ EntityListTool = function(shouldUseEditTabletApp) {
     that.setVisible = function(newVisible) {
         visible = newVisible;
         webView.setVisible(shouldUseEditTabletApp() && visible);
-        entityListWindow.setVisible(!shouldUseEditTabletApp() && visible);
+        entityListWindow.setVisible(!shouldUseEditTabletApp() && visible);        
     };
 
     that.isVisible = function() {
@@ -163,6 +164,12 @@ EntityListTool = function(shouldUseEditTabletApp) {
     }
 
     that.sendUpdate = function() {
+
+        emitJSONScriptEvent({
+            "type": "confirmHMDstate",
+            "isHmd": HMD.active
+        });
+        
         PROFILE('Script-sendUpdate', function() {
             var entities = [];
 
@@ -302,6 +309,10 @@ EntityListTool = function(shouldUseEditTabletApp) {
             SelectionDisplay.toggleSpaceMode();
         } else if (data.type === 'keyUpEvent') {
             keyUpEventFromUIWindow(data.keyUpEvent);
+        } else if (data.type === 'undo') {
+            undoHistory.undo();
+        } else if (data.type === 'redo') {
+            undoHistory.redo();
         }
     };