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<!DOCTYPE html>
<meta charset="utf-8">
<title>Firing a connectionavailable event at a controlling user agent</title>
<link rel="author" title="Tomoyuki Shimizu" href="https://github.com/tomoyukilabs">
<link rel="help" href="https://w3c.github.io/presentation-api/#starting-a-presentation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="common.js"></script>
<p>Click the button below and select the available presentation display, to start the manual test.</p>
<button id="presentBtn">Start Presentation Test</button>
<script>
// disable the timeout function for the tests
setup({explicit_timeout: true});
// ----------
// DOM Object
// ----------
const presentBtn = document.getElementById('presentBtn');
// --------------------------------------------------------------------------
// Start New PresentationRequest.onconnectionavailable Test (success) - begin
// --------------------------------------------------------------------------
promise_test(t => {
const clickWatcher = new EventWatcher(t, presentBtn, 'click');
const request = new PresentationRequest(presentationUrls);
let connection;
t.add_cleanup(() => {
if (connection) {
connection.onconnect = () => { connection.terminate(); };
if (connection.state === 'closed')
request.reconnect(connection.id);
else
connection.terminate();
}
});
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];
});
};
return clickWatcher.wait_for('click').then(() => {
presentBtn.disabled = true;
// Note: During starting a presentation, the connectionavailable event is fired (step 9)
// after the promise P is resolved (step 8).
return request.start();
}).then(c => {
connection = c;
assert_equals(connection.state, 'connecting', 'The initial state of the presentation connection is "connecting".');
assert_true(!!connection.id, 'The connection ID is set.');
assert_equals(typeof connection.id, 'string', 'The connection ID is a string.');
assert_true(connection instanceof PresentationConnection, 'The connection is an instance of PresentationConnection.');
const eventWatcher = new EventWatcher(t, request, 'connectionavailable');
const timeout = new Promise((_, reject) => {
// This test fails if request.onconnectionavailable is not invoked although the presentation is started successfully
// or the presentation fails to be started.
t.step_timeout(() => { reject('The connectionavailable event was not fired (timeout).'); }, 5000);}
);
return Promise.race([ watchEvent(request, eventWatcher, 'connectionavailable'), timeout ]);
}).then(evt => {
assert_true(evt instanceof PresentationConnectionAvailableEvent, 'An event using PresentationConnectionAvailableEvent is fired.');
assert_true(evt.isTrusted, 'The event is a trusted event.');
assert_false(evt.bubbles, 'The event does not bubbles.');
assert_false(evt.cancelable, 'The event is not cancelable.');
assert_equals(evt.type, 'connectionavailable', 'The event name is "connectionavailable".');
assert_equals(evt.target, request, 'event.target is the presentation request.');
assert_true(evt.connection instanceof PresentationConnection, 'event.connection is a presentation connection.');
assert_equals(evt.connection, connection, 'event.connection is set to the presentation which the promise is resolved with.');
});
});
// ------------------------------------------------------------------------
// Start New PresentationRequest.onconnectionavailable Test (success) - end
// ------------------------------------------------------------------------
</script>
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