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<!DOCTYPE html>
<script src="/common/get-host-info.sub.js"></script>
<script src="test-helpers.sub.js"></script>
<script>
var host_info = get_host_info();
var SCOPE = 'blank.html?clients-get';
var SCRIPT = 'clients-get-worker.js';
var registration;
var worker;
var wait_for_worker_promise = navigator.serviceWorker.getRegistration(SCOPE)
.then(function(reg) {
if (reg)
return reg.unregister();
})
.then(function() {
return navigator.serviceWorker.register(SCRIPT, {scope: SCOPE});
})
.then(function(reg) {
registration = reg;
worker = reg.installing;
return new Promise(function(resolve) {
worker.addEventListener('statechange', function() {
if (worker.state == 'activated')
resolve();
});
});
});
function send_result(result) {
window.parent.postMessage(
{result: result},
host_info['HTTPS_ORIGIN']);
}
window.addEventListener("message", on_message, false);
function on_message(e) {
if (e.origin != host_info['HTTPS_ORIGIN']) {
console.error('invalid origin: ' + e.origin);
return;
}
if (e.data.message == 'get_client_id') {
var otherOriginClientId = e.data.clientId;
wait_for_worker_promise
.then(function() {
return with_iframe(SCOPE);
})
.then(function(iframe) {
var channel = new MessageChannel();
channel.port1.onmessage = function(e) {
navigator.serviceWorker.getRegistration(SCOPE)
.then(function(reg) {
reg.unregister();
send_result(e.data);
});
};
iframe.contentWindow.navigator.serviceWorker.controller.postMessage(
{port:channel.port2, clientId: otherOriginClientId,
message: 'get_other_client_id'}, [channel.port2]);
})
}
}
</script>