| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>NFCWriter.scan with an focused iframe</title> |
| <link rel="help" href="https://w3c.github.io/web-nfc/"/> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/nfc-helpers.js"></script> |
| <body> |
| <script> |
| |
| nfc_test(async (t, mockNFC) => { |
| const reader = new NFCReader(); |
| const controller = new AbortController(); |
| const readerWatcher = new EventWatcher(t, reader, ["reading", "error"]); |
| |
| const promise = readerWatcher.wait_for("reading").then(event => { |
| assert_true(event instanceof NFCReadingEvent); |
| controller.abort(); |
| }); |
| reader.scan({ signal: controller.signal }); |
| |
| const iframe = document.createElement('iframe'); |
| iframe.src = 'resources/support-iframe.html'; |
| |
| const iframeLoadWatcher = new EventWatcher(t, iframe, 'load'); |
| document.body.appendChild(iframe); |
| await iframeLoadWatcher.wait_for('load'); |
| // Focus on iframe. |
| iframe.contentWindow.document.getElementById('foo').focus(); |
| assert_true(iframe.contentDocument.hasFocus(), 'iframe gains the focus'); |
| // Suspend NFC operations is async in blink, use setTimeout as a workaround. |
| // TODO(wanming.lin@intel.com): find a good way to eliminate this race |
| // condition. |
| await new Promise(resolve => t.step_timeout(resolve, 0)); |
| mockNFC.setReadingMessage(createMessage([createTextRecord(test_text_data)])); |
| await promise; |
| |
| // Remove iframe from main document. |
| iframe.parentNode.removeChild(iframe); |
| }, 'Test that NFCWriter.scan is not suspended if iframe gains focus.'); |
| |
| </script> |
| </body> |
