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michaelcox/xdr.js

Created May 10, 2012 18:56
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  1. michaelcox created this gist May 10, 2012.
    55 changes: 55 additions & 0 deletions xdr.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,55 @@
    // Based on https://github.com/jaubourg/ajaxHooks/blob/master/src/ajax/xdr.js

    (function( jQuery ) {

    if ( window.XDomainRequest && !jQuery.support.cors ) {
    jQuery.ajaxTransport(function( s ) {
    if ( s.crossDomain && s.async ) {
    if ( s.timeout ) {
    s.xdrTimeout = s.timeout;
    delete s.timeout;
    }
    var xdr;
    return {
    send: function( _, complete ) {
    function callback( status, statusText, responses, responseHeaders ) {
    xdr.onload = xdr.onerror = xdr.ontimeout = xdr.onprogress = jQuery.noop;
    xdr = undefined;
    jQuery.event.trigger( "ajaxStop" );
    complete( status, statusText, responses, responseHeaders );
    }
    xdr = new XDomainRequest();
    xdr.open( s.type, s.url );
    xdr.onload = function() {
    var status = 200;
    var message = xdr.responseText;
    var r = JSON.parse(xdr.responseText);
    if (r.StatusCode && r.Message) {
    status = r.StatusCode;
    message = r.Message;
    }
    callback( status , message, { text: message }, "Content-Type: " + xdr.contentType );
    };
    xdr.onerror = function() {
    callback( 500, "Unable to Process Data" );
    };
    xdr.onprogress = function() {};
    if ( s.xdrTimeout ) {
    xdr.ontimeout = function() {
    callback( 0, "timeout" );
    };
    xdr.timeout = s.xdrTimeout;
    }
    xdr.send( ( s.hasContent && s.data ) || null );
    },
    abort: function() {
    if ( xdr ) {
    xdr.onerror = jQuery.noop();
    xdr.abort();
    }
    }
    };
    }
    });
    }
    })( jQuery );