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<!DOCTYPE html>
<meta charset="utf-8">
<title>Monitoring incoming presentation connections</title>
<link rel="author" title="Tomoyuki Shimizu" href="https://github.com/tomoyukilabs">
<link rel="help" href="https://w3c.github.io/presentation-api/#monitoring-incoming-presentation-connections">
<script src="common.js"></script>
<script src="support/stash.js"></script>
<style>
iframe { display: none; }
</style>
<p>Click the button below and select the available presentation display, to start the manual test.</p>
<button id="presentBtn" disabled>Start Presentation Test</button>
<iframe id="childFrame" sandbox="allow-scripts allow-presentation" src="support/iframe.html"></iframe>
<script>
let connection;
const presentBtn = document.getElementById('presentBtn');
const child = document.getElementById('childFrame');
child.onload = () => { presentBtn.disabled = false; };
presentBtn.onclick = () => {
presentBtn.disabled = true;
const stash = new Stash(stashIds.toController, stashIds.toReceiver);
const request = new PresentationRequest('support/PresentationConnectionList_onconnectionavailable_receiving-ua.html');
return request.start().then(c => {
connection = c;
return stash.init();
}).then(() => {
return stash.receive();
}).then(data => {
const result = JSON.parse(data);
if (result.type === 'ok') {
connection.close();
return stash.receive();
}
else
return data;
}).then(data => {
const result = JSON.parse(data);
if (result.type === 'ok') {
request.reconnect(connection.id);
return stash.receive();
}
else
return data;
}).then(data => {
const result = JSON.parse(data);
if (result.type === 'ok') {
child.contentWindow.postMessage({ type: 'connect', id: connection.id, url: connection.url }, '*');
return stash.receive();
}
else
return data;
}).then(result => {
const json = JSON.parse(result);
// notify receiver's results of a parent window (e.g. test runner)
if (window.opener && 'completion_callback' in window.opener) {
window.opener.completion_callback(json.tests, json.status);
}
// display receiver's results as HTML
const log = document.createElement('div');
log.id = 'log';
log.innerHTML = json.log;
document.body.appendChild(log);
connection.onconnect = () => { connection.terminate(); };
if (connection.state === 'closed')
request.reconnect(connection.id);
else
connection.terminate();
});
};
</script>
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