| <!DOCTYPE html> |
| <title>MediaMetadata Mojo Test</title> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script type="module"> |
| import {MediaSessionServiceMock} from './resources/mediasessionservice-mock.js'; |
| import {assert_metadata_equals} from './resources/utils.js'; |
| |
| async_test(t => { |
| // The following are expected results. |
| var results = [ |
| new MediaMetadata({}), |
| new MediaMetadata({ |
| title: 'new title', |
| album: 'new album', |
| artist: 'new artist', |
| artwork: [ |
| { src: 'http://example.com/', type: 'image/png', sizes: '40x40' } |
| ] |
| }), |
| new MediaMetadata({ |
| title: 'first timeout', |
| album: 'new album', |
| artist: 'new artist', |
| artwork: [ |
| { src: 'http://example.com/', type: 'image/png', sizes: '40x40' } |
| ] |
| }), |
| new MediaMetadata({ |
| title: 'second timeout', |
| album: 'new album', |
| artist: 'new artist', |
| artwork: [ |
| { src: 'http://example.com/', type: 'image/png', sizes: '40x40' } |
| ] |
| }), |
| ]; |
| var resultId = 0; |
| |
| const m = new MediaSessionServiceMock(); |
| m.setMetadataCallback(t.step_func(receivedMetadata => { |
| assert_metadata_equals(receivedMetadata, results[resultId]); |
| ++resultId; |
| |
| if (results.length == resultId) |
| t.done(); |
| })); |
| |
| // Setting the metadata property will update the mojo service. |
| window.navigator.mediaSession.metadata = new MediaMetadata({}); |
| |
| // All the next lines will produce only one call. |
| window.navigator.mediaSession.metadata.title = 'new title'; |
| window.navigator.mediaSession.metadata.album = 'new album'; |
| window.navigator.mediaSession.metadata.artist = 'new artist'; |
| window.navigator.mediaSession.metadata.artwork = [ |
| { src: 'http://example.com/', sizes: '40x40', type: 'image/png' } |
| ]; |
| |
| // This two last changes are made asynchronously and will go in different |
| // mojo calls. |
| setTimeout(_ => { |
| window.navigator.mediaSession.metadata.title = 'first timeout'; |
| setTimeout(_ => { |
| window.navigator.mediaSession.metadata.title = 'second timeout'; |
| }); |
| }); |
| }, "test that MediaMetadata is correctly propagated twice"); |
| |
| </script> |
