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@ebidel
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<!DOCTYPE html>
<!--
Copyright 2012 Eric Bidelman
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Author: Eric Bidelman (ebidel@gmail.com)
-->
<html>
<head>
<title>Binary WebSocket Tab Sharing</title>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Orbitron|Kameron|Muli|Open+Sans:regular,semibold,italic,italicsemibold|Droid+Sans+Mono&v2">
<style>
body {
font-family: 'Open Sans';
}
iframe, #screenshot0, #screenshot1 {
width: 100%;
height: 500px;
border: 1px solid black;
}
</style>
</head>
<body>
<h3>Screenshot from host:</h3>
<iframe id="screenshot0" hidden></iframe>
<iframe id="screenshot1" hidden></iframe>
<div id="frames-container"></div>
<script src="screencapture.js"></script>
<script src="app.js"></script>
<script>
var framesContainer = document.querySelector('#frames-container');
var currentFrameIdx = 0;
var playbackIntervalId = null;
var ws = connect();
ws.onmessage = function(e) {
// Shouldn't have to create a new blob, but e.data isn't preserving type.
var blob = new Blob([e.data], {type: 'text/html'});
var iframe = document.createElement('iframe');
iframe.src = window.URL.createObjectURL(blob);
iframe.hidden = true;
iframe.onload = renderFrame;
// Force the iframe content to load by appending to the DOM.
framesContainer.appendChild(iframe);
};
function renderFrame() {
if (framesContainer.children.length) {
var frame = framesContainer.children[currentFrameIdx];
if(!frame) {
return;
}
if (currentFrameIdx > 0) {
var prevFrame = frame.previousElementSibling;
prevFrame.hidden = true;
window.URL.revokeObjectURL(prevFrame.src);
}
frame.hidden = false;
currentFrameIdx++;
}
}
function playback(interval) {
clearInterval(playbackIntervalId);
if (!framesContainer.children.length) {
return;
}
var i = 0;
playbackIntervalId = setInterval(function() {
var iframe = framesContainer.children[i];
if (i > 0) {
framesContainer.children[i - 1].hidden = true;
} else if (i == 0) {
framesContainer.children[framesContainer.children.length - 1].hidden = true;
}
iframe.hidden = false;
i++;
i %= framesContainer.children.length;
}, interval);
}
//setInterval(renderFrame, 1000);
</script>
<!--[if IE]>
<script src="http://ajax.googleapis.com/ajax/libs/chrome-frame/1/CFInstall.min.js"></script>
<script>CFInstall.check({mode: 'overlay'});</script>
<![endif]-->
</body>
</html>
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