| <!DOCTYPE html> |
| <meta charset="utf-8" /> |
| <title>Permissions API in Worker</title> |
| <link rel="help" href="https://www.w3.org/TR/permissions/" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| |
| <script> |
| const workerScript = ` |
| async function setup() { |
| const status = await self.navigator.permissions.query({ |
| name: "geolocation", |
| }); |
| status.addEventListener("change", () => { |
| postMessage({ event: "change", state: status.state }); |
| }); |
| self.postMessage({ event: "ready", state: status.state }); |
| } |
| |
| setup(); |
| `; |
| |
| function messageFrom(worker, message) { |
| const abortController = new AbortController(); |
| return new Promise((resolve) => { |
| worker.addEventListener( |
| "message", |
| (event) => { |
| if (event.data.event == message) { |
| abortController.abort(); |
| resolve(event.data); |
| } |
| }, |
| { signal: abortController.signal } |
| ); |
| }); |
| } |
| |
| promise_test(async (t) => { |
| await test_driver.set_permission({ name: "geolocation" }, "prompt"); |
| const blobUrl = URL.createObjectURL( |
| new Blob([workerScript], { type: "text/javascript" }) |
| ); |
| const worker = new Worker(blobUrl); |
| const { state:initialState } = await messageFrom(worker, "ready"); |
| assert_equals(initialState, "prompt", "Worker sees the initial permission state as 'prompt'"); |
| |
| const setPermissionPromise = test_driver.set_permission({ name: "geolocation" }, "granted"); |
| const changePromise = messageFrom(worker, "change"); |
| const [{state:changedState}] = await Promise.all([messagePromise, setPermissionPromise]); |
| assert_equals( |
| changedState, |
| "granted", |
| "Worker detects the permission state change to 'granted'" |
| ); |
| }, "Worker can query the 'geolocation' permission and detect a transition to 'granted'"); |
| </script> |
