| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Receiving a message through PresentationConnection</title> |
| <link rel="author" title="Tomoyuki Shimizu" href="https://github.com/tomoyukilabs/"> |
| <link rel="help" href="http://w3c.github.io/presentation-api/#receiving-a-message-through-presentationconnection"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../common.js"></script> |
| <script src="stash.js"></script> |
| |
| <script> |
| setup({explicit_timeout: true}); |
| |
| const message1 = '1st'; |
| const message2 = '2nd'; |
| const message3 = new Uint8Array([51, 114, 100]); // "3rd" |
| const message4 = new Uint8Array([52, 116, 104]); // "4th" |
| const message5 = new Uint8Array([108, 97, 115, 116]); // "last" |
| |
| const toUint8Array = buf => { |
| return buf instanceof ArrayBuffer ? new Uint8Array(buf) : buf; |
| } |
| |
| // compare two ArrayBuffer or Uint8Array |
| const compare = (a, b) => { |
| const p = toUint8Array(a); |
| const q = toUint8Array(b); |
| return !!p && !!q && p.every((item, index) => { return item === q[index]; }); |
| }; |
| |
| const stash = new Stash(stashIds.toReceiver, stashIds.toController); |
| |
| add_completion_callback((tests, status) => { |
| const log = document.getElementById('log'); |
| stash.send(JSON.stringify({ type: 'result', tests: tests, status: status, log: log.innerHTML })); |
| }); |
| |
| navigator.presentation.receiver.connectionList.then(list => { |
| const checkEvent = event => { |
| assert_true(event.isTrusted, 'a trusted event is fired'); |
| assert_true(event instanceof MessageEvent, 'The event uses the MessageEvent interface'); |
| assert_false(event.bubbles, 'the event does not bubble'); |
| assert_false(event.cancelable, 'the event is not cancelable'); |
| }; |
| |
| const watchEvent = (obj, watcher, type) => { |
| const watchHandler = new Promise(resolve => { |
| obj['on' + type] = evt => { resolve(evt); }; |
| }); |
| return Promise.all([ watchHandler, watcher.wait_for(type) ]).then(results => { |
| assert_equals(results[0], results[1], 'Both on' + type + ' and addEventListener pass the same event object.'); |
| return results[0]; |
| }); |
| }; |
| |
| const connection = list.connections[0]; |
| |
| promise_test(t => { |
| t.step_timeout(() => { |
| t.force_timeout(); |
| t.done(); |
| }, 3000); |
| |
| assert_equals(connection.binaryType, 'arraybuffer', 'the default value of binaryType is "arraybuffer"'); |
| const eventWatcher = new EventWatcher(t, connection, 'message'); |
| return eventWatcher.wait_for('message').then(event => { |
| checkEvent(event); |
| assert_equals(event.data, message1, 'receive a string correctly'); |
| return watchEvent(connection, eventWatcher, 'message'); |
| }).then(event => { |
| checkEvent(event); |
| assert_equals(event.data, message2, 'receive a string correctly'); |
| return watchEvent(connection, eventWatcher, 'message'); |
| }).then(event => { |
| checkEvent(event); |
| assert_true(event.data instanceof ArrayBuffer, 'receive binary data as ArrayBuffer'); |
| assert_true(compare(event.data, message3), 'receive an ArrayBuffer correctly (originally a Blob at a controlling user agent)'); |
| return watchEvent(connection, eventWatcher, 'message'); |
| }).then(event => { |
| checkEvent(event); |
| assert_true(event.data instanceof ArrayBuffer, 'receive binary data as ArrayBuffer'); |
| assert_true(compare(event.data, message4), 'receive an ArrayBuffer correctly (originally an ArrayBuffer at a controlling user agent)'); |
| return watchEvent(connection, eventWatcher, 'message'); |
| }).then(event => { |
| checkEvent(event); |
| assert_true(event.data instanceof ArrayBuffer, 'receive binary data as ArrayBuffer'); |
| assert_true(compare(event.data, message5), 'receive an ArrayBuffer correctly (originally an ArrayBufferView at a controlling user agent)'); |
| |
| connection.binaryType = 'blob'; |
| return Promise.all([ |
| stash.send(JSON.stringify({ type: 'blob' })), |
| watchEvent(connection, eventWatcher, 'message') |
| ]).then(results => results[1]); |
| }).then(event => { |
| assert_true(event.data instanceof Blob, 'receive binary data as Blob'); |
| return new Promise((resolve, reject) => { |
| const reader = new FileReader(); |
| reader.onload = resolve; |
| reader.onerror = reject; |
| reader.readAsArrayBuffer(event.data); |
| }); |
| }).then(event => { |
| assert_true(compare(event.target.result, message5), 'receive a Blob correctly'); |
| connection.terminate(); |
| }); |
| }); |
| }); |
| </script> |
