Created
September 13, 2012 19:26
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Detect Browser Custom Protocols
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| <html> | |
| <head> | |
| <title>Detect Custome Protocol</title> | |
| <script type="text/javascript" src="/public/unittest/jasmine/jquery.js"></script> | |
| </head> | |
| <body> | |
| <input id="protocol" value="" placeholder="custom protocol"/> | |
| <button id="launch">Launch</button> | |
| <!-- Mozilla Only --> | |
| <iframe id="hiddenIframe" src="about:blank"></iframe> | |
| <!-- IE Case 1 --> | |
| <a id="hiddenLink" style="display:none;" href="#">custom protocol</a> | |
| <script> | |
| var isSupported = false; | |
| function getProtocol(){ | |
| return $('#protocol').val(); | |
| } | |
| function getUrl(){ | |
| return getProtocol()+"://"+"rajeshsegu.com"; | |
| } | |
| function result(){ | |
| alert(getProtocol() + " supported => " + isSupported); | |
| } | |
| $('#launch').click(function(){ | |
| if($.browser.mozilla){ | |
| launchMozilla(); | |
| }else if($.browser.chrome){ | |
| launchChrome(); | |
| }else if($.browser.msie){ | |
| launchIE(); | |
| } | |
| }); | |
| function launchIE(){ | |
| var url = getUrl(), | |
| aLink = $('#hiddenLink')[0]; | |
| isSupported = false; | |
| aLink.href = url; | |
| //Case 1: protcolLong | |
| if(navigator.appName=="Microsoft Internet Explorer" | |
| && aLink.protocolLong=="Unknown Protocol"){ | |
| isSupported = false; | |
| result(); | |
| return; | |
| } | |
| //Case2: Open New Window | |
| var myWindow = window.open('','','width=0,height=0'); | |
| myWindow.document.write("<iframe src='"+ url + "></iframe>"); | |
| setTimeout(function(){ | |
| try{ | |
| myWindow.location.href; | |
| isSupported = true; | |
| }catch(e){ | |
| console.log(e); | |
| } | |
| if(isSupported){ | |
| myWindow.setTimeout('window.close()', 100); | |
| }else{ | |
| myWindow.close(); | |
| } | |
| result(); | |
| }, 100) | |
| }; | |
| function launchMozilla(){ | |
| var url = getUrl(), | |
| iFrame = $('#hiddenIframe')[0]; | |
| isSupported = false; | |
| try{ | |
| iFrame.contentWindow.location.href = url; | |
| isSupported = true; | |
| result(); | |
| }catch(e){ | |
| //FireFox | |
| if (e.name == "NS_ERROR_UNKNOWN_PROTOCOL"){ | |
| isSupported = false; | |
| result(); | |
| } | |
| } | |
| } | |
| function launchChrome(){ | |
| var url = getUrl(), | |
| protcolEl = $('#protocol')[0]; | |
| isSupported = false; | |
| protcolEl.focus(); | |
| protcolEl.onblur = function(){ | |
| isSupported = true; | |
| }; | |
| location.href = url; | |
| setTimeout(function(){ | |
| protcolEl.onblur = null; | |
| result() | |
| }, 300); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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IE9 launchIE can not work. launchChrome and Firefox work well