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screensharing-test.html
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screensharing-test.html
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<html>
<body>
<button onclick="javascript:screenshare();" disabled id="shareBtn">Share your screen</button>
<div id="camera-publisher"></div>
<div id="screen-publisher"></div>
<div id="camera-subscriber"></div>
<div id="screen-subscriber"></div>
<script src="https://static.opentok.com/v2/js/opentok.js"></script>
<script type="text/javascript">
// Go to https://dashboard.tokbox.com/ to get your OpenTok API Key and to generate
// a test session ID and token:
var apiKey = '46136322',
sessionId = '1_MX40NjEzNjMyMn5-MTUzMTUxOTcyNjQwM35Xc2QvaVpQbzhidTR6YjlZbUFKdXdLaHF-UH4',
token = 'T1==cGFydG5lcl9pZD00NjEzNjMyMiZzaWc9MzMwZTFhNDNmZDlhZGIzM2FhNzc2N2VhN2Y1NjhkOGMwNmE2MzMwMTpzZXNzaW9uX2lkPTFfTVg0ME5qRXpOak15TW41LU1UVXpNVFV4T1RjeU5qUXdNMzVYYzJRdmFWcFFiemhpZFRSNllqbFpiVUZLZFhkTGFIRi1VSDQmY3JlYXRlX3RpbWU9MTUzMTUxOTcyNiZub25jZT0wLjE0NTEyMzEyNzI5NTc2MTYmcm9sZT1wdWJsaXNoZXImZXhwaXJlX3RpbWU9MTUzMTYwNjEyNiZpbml0aWFsX2xheW91dF9jbGFzc19saXN0PQ==';
// Replace this with the ID for your Chrome screen-sharing extension, which you can
// get at chrome://extensions/:
var extensionId = 'dcikmjmfbolmaddfaadofoaheamlcmmf';
// If you register your domain with the the Firefox screen-sharing whitelist, instead of using
// a Firefox screen-sharing extension, set this to the Firefox version number, such as 36, in which
// your domain was added to the whitelist:
var ffWhitelistVersion; // = '36';
var session = OT.initSession(apiKey, sessionId);
session.connect(token, function(error) {
if (error) {
alert('Error connecting to session: ' + error.message);
return;
}
// publish a stream using the camera and microphone:
var publisher = OT.initPublisher('camera-publisher');
session.publish(publisher);
document.getElementById('shareBtn').disabled = false;
});
session.on('streamCreated', function(event) {
if (event.stream.videoType === 'screen') {
// This is a screen-sharing stream published by another client
var subOptions = {
width: event.stream.videoDimensions.width / 2,
height: event.stream.videoDimensions.height / 2
};
session.subscribe(event.stream, 'screen-subscriber', subOptions);
} else {
// This is a stream published by another client using the camera and microphone
session.subscribe(event.stream, 'camera-subscriber');
}
});
// For Google Chrome only, register your extension by ID,
// You can find it at chrome://extensions once the extension is installed
OT.registerScreenSharingExtension('chrome', extensionId, 2);
function screenshare() {
OT.checkScreenSharingCapability(function(response) {
console.info(response);
if (!response.supported || response.extensionRegistered === false) {
alert('This browser does not support screen sharing.');
} else if (response.extensionInstalled === false
&& (response.extensionRequired || !ffWhitelistVersion)) {
alert('Please install the screen-sharing extension and load this page over HTTPS.');
} else if (ffWhitelistVersion && navigator.userAgent.match(/Firefox/)
&& navigator.userAgent.match(/Firefox\/(\d+)/)[1] < ffWhitelistVersion) {
alert('For screen sharing, please update your version of Firefox to '
+ ffWhitelistVersion + '.');
} else {
// Screen sharing is available. Publish the screen.
// Create an element, but do not display it in the HTML DOM:
var screenSharingPublisher = OT.initPublisher(
'screen-publisher',
{ videoSource : 'screen' },
function(error) {
if (error) {
alert('Something went wrong: ' + error.message);
} else {
session.publish(
screenSharingPublisher,
function(error) {
if (error) {
alert('Something went wrong: ' + error.message);
}
});
}
});
}
});
}
</script>
</body>
</html>