From 7deebd7fdb68fa5789a2abb24937c510c194f2ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lionel=20Lask=C3=A9?= <llaske@c2s.fr>
Date: Sun, 20 Oct 2024 17:08:08 +0200
Subject: [PATCH] Fix accelerometer call: support both webapi and cordova

---
 .../js/components/SugarDevice.js              | 43 +++++++------------
 activities/PhysicsJS.activity/js/activity.js  | 17 +++++---
 2 files changed, 26 insertions(+), 34 deletions(-)

diff --git a/activities/FractionBounce.activity/js/components/SugarDevice.js b/activities/FractionBounce.activity/js/components/SugarDevice.js
index 6783fe2fd..3a3b39a19 100644
--- a/activities/FractionBounce.activity/js/components/SugarDevice.js
+++ b/activities/FractionBounce.activity/js/components/SugarDevice.js
@@ -3,8 +3,7 @@ Vue.component('sugar-device', {
 	template: `<div style="display: none">{{ watchId }}</div>`,
 	data: function () {
 		return {
-			readyToWatch: false,
-			frequency: null
+			watchId: null
 		}
 	},
 	created: function () {
@@ -13,24 +12,6 @@ Vue.component('sugar-device', {
 		cordovaScript.setAttribute('src', '../../cordova.js');
 		document.head.appendChild(cordovaScript);
 	},
-	mounted: function () {
-		var vm = this;
-		//Accelerometer
-		if (this.isMobile()) {
-			document.addEventListener('deviceready', function () {
-				vm.readyToWatch = true;
-			}, false);
-		}
-
-	},
-	computed: {
-		watchId: function () {
-			if (this.readyToWatch && this.frequency) {
-				return navigator.accelerometer.watchAcceleration(this.accelerationCallback, null, { frequency: this.frequency });
-			}
-			return null;
-		}
-	},
 	methods: {
 		isMobile() {
 			var userAgent = navigator.userAgent;
@@ -95,14 +76,18 @@ Vue.component('sugar-device', {
 
 		watchAcceleration: function (frequency) {
 			var vm = this;
-			var accelerometer = new Accelerometer({ frequency: frequency });
-			if (accelerometer) {
-				accelerometer.addEventListener('reading', function () {
+			if (window.Accelerometer) {
+				var accelerometer = new Accelerometer({ frequency: frequency });
+				if (accelerometer) {
+					accelerometer.addEventListener('reading', function () {
+						vm.accelerationCallback(accelerometer);
+					});
+					accelerometer.start();
+				}
+			} else if (navigator.accelerometer) {
+				watchId = navigator.accelerometer.watchAcceleration(function () {
 					vm.accelerationCallback(accelerometer);
-				});
-				accelerometer.start();
-			} else {
-				this.frequency = frequency;
+				}, null, { frequency: frequency });
 			}
 		},
 
@@ -129,6 +114,8 @@ Vue.component('sugar-device', {
 		}
 	},
 	beforeDestroy: function () {
-		navigator.accelerometer.clearWatch(this.watchId);
+		if (navigator.accelerometer && this.watchId) {
+			navigator.accelerometer.clearWatch(this.watchId);
+		}
 	}
 });
\ No newline at end of file
diff --git a/activities/PhysicsJS.activity/js/activity.js b/activities/PhysicsJS.activity/js/activity.js
index 33d43398c..a05f2ec68 100644
--- a/activities/PhysicsJS.activity/js/activity.js
+++ b/activities/PhysicsJS.activity/js/activity.js
@@ -72,12 +72,17 @@ define(["sugar-web/activity/activity","tutorial","l10n","sugar-web/env"], functi
 						zoom();
 					}
 					if (readyToWatch) {
-						var accelerometer = new Accelerometer({ frequency: 500 });
-						if (accelerometer) {
-							accelerometer.addEventListener('reading', accelerationChanged);
-							accelerometer.start();
+						if (window.Accelerometer) {
+							var accelerometer = new Accelerometer({ frequency: 500 });
+							if (accelerometer) {
+								accelerometer.addEventListener('reading', accelerationChanged);
+								accelerometer.start();
+							}
+							readyToWatch = false;
+						} else if (navigator.accelerometer) {	
+							navigator.accelerometer.watchAcceleration(accelerationChanged, null, { frequency: 500 });
+							readyToWatch = false;
 						}
-						readyToWatch = false;
 					}
 				});
 				// add the interaction
@@ -189,7 +194,7 @@ define(["sugar-web/activity/activity","tutorial","l10n","sugar-web/env"], functi
 
 			function accelerationChanged(accelerationEvent) {
 				if (!sensorMode) return;
-				var acceleration = accelerationEvent.target;
+				var acceleration = window.Accelerometer ? accelerationEvent.target : accelerationEvent;
 				if (acceleration.x < -4.5) {
 					if (acceleration.y > 4.75)
 						setGravity(3);