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