| <!DOCTYPE html> |
| <script src="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> |
