From 9a7aea3d94db29fa20a41f617ced30d5aec11461 Mon Sep 17 00:00:00 2001
From: Jesse <jesse.greenberg@colorado.edu>
Date: Mon, 28 Oct 2019 18:23:04 -0400
Subject: [PATCH] touch interaction cue on alert, see #452

---
 js/balloons-and-static-electricity/BASEA11yStrings.js      | 7 +++++--
 .../view/describers/BalloonLocationDescriber.js            | 5 +++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/js/balloons-and-static-electricity/BASEA11yStrings.js b/js/balloons-and-static-electricity/BASEA11yStrings.js
index f2916740..b1d588cd 100644
--- a/js/balloons-and-static-electricity/BASEA11yStrings.js
+++ b/js/balloons-and-static-electricity/BASEA11yStrings.js
@@ -118,7 +118,7 @@ define( require => {
 
     //--------------------------------------------------------------------------
     // Play Area landmark strings, 'near' or  'at' added  through string patterns
-    //--------------------------------------------------------------------------  
+    //--------------------------------------------------------------------------
     landmarkNearSweater: {
       value: 'sweater'
     },
@@ -717,9 +717,12 @@ define( require => {
     combinedChargePattern: {
       value: '{{grabbedBalloon}}. {{otherBalloon}}'
     },
-    interactionCue: {
+    keyboardInteractionCue: {
       value: 'Press W, A, S, or D key to move balloon. Space to release.'
     },
+    touchInteractionCue: {
+      value: 'Drag finger to move balloon. Lift finger to release.'
+    },
 
     //--------------------------------------------------------------------------
     // Balloon sweater rubbing strings
diff --git a/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js b/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js
index 7001dfe8..23c0936f 100644
--- a/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js
+++ b/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js
@@ -72,7 +72,8 @@ define( require => {
   const balloonNearString = BASEA11yStrings.balloonNear.value;
   const locationAndInducedChargePatternString = BASEA11yStrings.locationAndInducedChargePattern.value;
   const singleStatementPatternString = BASEA11yStrings.singleStatementPattern.value;
-  const interactionCueString = BASEA11yStrings.interactionCue.value;
+  const keyboardInteractionCueString = BASEA11yStrings.keyboardInteractionCue.value;
+  const touchInteractionCueString = BASEA11yStrings.touchInteractionCue.value;
   const balloonLabelWithAttractiveStatePatternString = BASEA11yStrings.balloonLabelWithAttractiveStatePattern.value;
   const balloonVeryCloseToString = BASEA11yStrings.balloonVeryCloseTo.value;
   const continuousMovementPatternString = BASEA11yStrings.continuousMovementPattern.value;
@@ -903,7 +904,7 @@ define( require => {
       if ( !this.balloonModel.successfulPickUp ) {
         description = StringUtils.fillIn( grabbedWithHelpPatternString, {
           grabbedAlert: description,
-          help: interactionCueString
+          help: phet.joist.sim.supportsTouchA11y ? touchInteractionCueString : keyboardInteractionCueString
         } );
       }