| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>wake lock state should be global</title> |
| <link rel="help" href="https://w3c.github.io/wake-lock/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <body> |
| <script id="iframe" type="text/plain"> |
| let iframeWakeLock; |
| const controller = new AbortController(); |
| const signal = controller.signal; |
| window.onmessage = async message => { |
| switch(message.data) { |
| case "ACQUIRED": |
| iframeWakeLock = new WakeLock("screen"); |
| await iframeWakeLock.request({ signal }); |
| parent.postMessage(iframeWakeLock.active, "*"); |
| break; |
| case "RELEASED": |
| controller.abort(); |
| parent.postMessage(iframeWakeLock.active, "*"); |
| break; |
| default: |
| parent.postMessage("unknown operation", "*"); |
| } |
| } |
| </script> |
| |
| <script> |
| function load_iframe() { |
| return new Promise(resolve => { |
| const iframe = document.createElement("iframe"); |
| iframe.onload = () => { resolve(iframe); }; |
| iframe.srcdoc = "<script>" + |
| document.getElementById('iframe').textContent + |
| "<\/script>"; |
| document.body.appendChild(iframe); |
| }); |
| } |
| |
| function wait_for_message(iframe) { |
| return new Promise(resolve => { |
| self.addEventListener("message", function listener(e) { |
| if (e.source === iframe.contentWindow) { |
| resolve(e.data); |
| self.removeEventListener("message", listener); |
| } |
| }); |
| }); |
| } |
| |
| promise_test(async t => { |
| const wakeLock = await new WakeLock("screen"); |
| const iframe = await load_iframe(); |
| const eventWatcher = new EventWatcher(t, wakeLock, "activechange"); |
| |
| assert_false(wakeLock.active, "wakeLock is initially false"); |
| |
| //when iframe wake lock is acquired, parent wake lock should be actived |
| iframe.contentWindow.postMessage("ACQUIRED", "*"); |
| const isActive1 = await wait_for_message(iframe); |
| await eventWatcher.wait_for("activechange"); |
| assert_true(isActive1, "the iframe wake lock state is actived when iframe wake lock is acquired"); |
| assert_true(wakeLock.active, "the wake lock state is actived when iframe wake lock is acquired"); |
| |
| //when iframe wake lock is released, parent wake lock should be inactived |
| iframe.contentWindow.postMessage("RELEASED", "*"); |
| const isActive2 = await wait_for_message(iframe); |
| eventWatcher.wait_for("activechange"); |
| assert_false(isActive2, "the iframe wake lock state is inactived when iframe wake lock is released"); |
| assert_false(wakeLock.active, "the wake lock state is inactived when iframe wake lock is released"); |
| }, "Test that wake lock state should be global"); |
| </script> |
| </body> |
