55 lines
2.0 KiB
HTML
55 lines
2.0 KiB
HTML
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<html>
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<head>
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<script src="/_ah/channel/jsapi"></script>
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</head>
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<!--
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Helper HTML that redirects Google AppEngine's Channel API to a JS object named
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|androidMessageHandler|, which is expected to be injected into the WebView
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rendering this page by an Android app's class such as AppRTCClient
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-->
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<body onbeforeunload="closeSocket()" onload="openSocket()">
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<script type="text/javascript">
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// QueryString is copy/pasta from
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// chromium's chrome/test/data/media/html/utils.js.
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var QueryString = function () {
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// Allows access to query parameters on the URL; e.g., given a URL like:
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// http://<url>/my.html?test=123&bob=123
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// parameters can now be accessed via QueryString.test or QueryString.bob.
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var params = {};
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// RegEx to split out values by &.
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var r = /([^&=]+)=?([^&]*)/g;
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// Lambda function for decoding extracted match values. Replaces '+' with
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// space so decodeURIComponent functions properly.
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function d(s) { return decodeURIComponent(s.replace(/\+/g, ' ')); }
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var match;
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while (match = r.exec(window.location.search.substring(1)))
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params[d(match[1])] = d(match[2]);
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return params;
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} ();
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var channel = null;
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var socket = null;
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function openSocket() {
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if (!QueryString.token || !QueryString.token.match(/^[A-z0-9_-]+$/))
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throw "Missing/malformed token parameter: " + QueryString.token;
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channel = new goog.appengine.Channel(QueryString.token);
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socket = channel.open({
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'onopen': function() { androidMessageHandler.onOpen(); },
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'onmessage': function(msg) { androidMessageHandler.onMessage(msg.data); },
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'onclose': function() { androidMessageHandler.onClose(); },
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'onerror': function(err) { androidMessageHandler.onError(err.code, err.description); }
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});
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}
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function closeSocket() {
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socket.close();
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}
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</script>
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</body>
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</html>
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