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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=402089
+-->
+<head>
+ <title>Test for Bug 742376</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script src="/tests/SimpleTest/EventUtils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=742376">Mozilla Bug 742376</a>
+<script class="testbody" type="text/javascript">
+
+/** Test for Bug 742376 **/
+let Cc = SpecialPowers.Cc;
+let Ci = SpecialPowers.Ci;
+let dss = Cc["@mozilla.org/devicesensors;1"].getService(Ci.nsIDeviceSensors);
+
+function hasLightListeners() {
+ return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_LIGHT, window);
+}
+
+function hasOrientationListeners() {
+ return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_ORIENTATION, window) ||
+ dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_ROTATION_VECTOR, window) ||
+ dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_GAME_ROTATION_VECTOR, window);
+}
+
+function hasProximityListeners() {
+ return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_PROXIMITY, window);
+}
+
+function hasMotionListeners() {
+ return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_ACCELERATION, window) ||
+ dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_LINEAR_ACCELERATION, window) ||
+ dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_GYROSCOPE, window);
+}
+
+async function test_event_presence(prefName, eventCheck, eventName) {
+ function dumbListener(event) {}
+ function dumbListener2(event) {}
+ function dumbListener3(event) {}
+
+ await SpecialPowers.pushPrefEnv({"set": [
+ [prefName, true]
+ ]});
+
+ is(eventCheck(), false, "Must not have listeners before tests start");
+
+ window.addEventListener(eventName, dumbListener);
+ window.addEventListener("random_event_name", function() {});
+ window.addEventListener(eventName, dumbListener2);
+
+ is(eventCheck(), true, `Should have listeners when ${eventName} sensor is enabled`);
+
+ window.removeEventListener(eventName, dumbListener);
+ window.removeEventListener(eventName, dumbListener2);
+
+ is(eventCheck(), false, "Must not have listeners when removed");
+
+ await SpecialPowers.pushPrefEnv({"set": [
+ [prefName, false]
+ ]});
+
+ window.addEventListener(eventName, dumbListener);
+ window.addEventListener("random_event_name", function() {});
+ window.addEventListener(eventName, dumbListener2);
+
+ is(eventCheck(), false, "Must not have listeners when sensor is disabled");
+}
+
+async function start() {
+ await SpecialPowers.pushPrefEnv({"set": [
+ ["device.sensors.enabled", true],
+ ["device.sensors.orientation.enabled", true]
+ ]});
+
+ is(hasOrientationListeners(), false, "Must not have listeners before tests start");
+
+ function dumbListener(event) {}
+ function dumbListener2(event) {}
+ function dumbListener3(event) {}
+
+ window.addEventListener("deviceorientation", dumbListener);
+ window.addEventListener("random_event_name", function() {});
+ window.addEventListener("deviceorientation", dumbListener2);
+
+ is(hasOrientationListeners(), true, "Listeners should have been added");
+
+ await new Promise(resolve => {
+ window.setTimeout(function() {
+ window.removeEventListener("deviceorientation", dumbListener);
+ is(hasOrientationListeners(), true, "Only some listeners should have been removed");
+ window.setTimeout(function() {
+ window.removeEventListener("deviceorientation", dumbListener2);
+ window.setTimeout(function() {
+ is(hasOrientationListeners(), false, "Listeners should have been removed");
+ resolve();
+ }, 0);
+ }, 0);
+ }, 0);
+ });
+
+ await new Promise(resolve => {
+ window.ondeviceorientation = function() {}
+ window.setTimeout(function() {
+ is(hasOrientationListeners(), true, "Handler should have been added");
+ window.ondeviceorientation = null;
+ window.setTimeout(function() {
+ is(hasOrientationListeners(), false, "Handler should have been removed");
+ resolve();
+ }, 0);
+ }, 0);
+ });
+
+ await test_event_presence("device.sensors.ambientLight.enabled", hasLightListeners, "devicelight");
+ await test_event_presence("device.sensors.proximity.enabled", hasProximityListeners, "userproximity");
+ await test_event_presence("device.sensors.motion.enabled", hasMotionListeners, "devicemotion");
+ await test_event_presence("device.sensors.orientation.enabled", hasOrientationListeners, "deviceorientation");
+
+ SimpleTest.finish();
+
+}
+
+SimpleTest.waitForExplicitFinish();
+
+start();
+
+</script>
+</pre>
+</body>
+</html>
+