X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fajax.js;h=9173d8a89a7610b1429f850a2606877a4a9c17cb;hb=3ea366401f461cd670c5472ddbb3ad7f3260d13c;hp=871481d01ab832b319a2ea4ce8e54f84f6b86213;hpb=914aa3d66b0d34fc44377a2facc00a77c65d0891;p=jquery.git

diff --git a/src/ajax.js b/src/ajax.js
index 871481d..9173d8a 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -182,9 +182,6 @@ jQuery.extend({
 		headers: {},
 		crossDomain: null,
 		*/
-		xhr: function() {
-			return new window.XMLHttpRequest();
-		},
 
 		accepts: {
 			xml: "application/xml, text/xml",
@@ -236,8 +233,7 @@ jQuery.extend({
 	},
 
 	// Main method
-	// (s is used internally)
-	ajax: function( url , options , s ) {
+	ajax: function( url , options ) {
 
 		// Handle varargs
 		if ( arguments.length === 1 ) {
@@ -251,19 +247,14 @@ jQuery.extend({
 		// Get the url if provided separately
 		options.url = url || options.url;
 
-		// Create the final options object
-		s = jQuery.extend( true , {} , jQuery.ajaxSettings , options );
-
-		// We force the original context
-		// (plain objects used as context get extended)
-		s.context = options.context;
-
-		var // jQuery lists
+		var // Create the final options object
+			s = jQuery.extend( true , {} , jQuery.ajaxSettings , options ),
+			// jQuery lists
 			jQuery_lastModified = jQuery.lastModified,
 			jQuery_etag = jQuery.etag,
 			// Callbacks contexts
-			callbackContext = s.context || s,
-			globalEventContext = s.context ? jQuery( s.context ) : jQuery.event,
+			callbackContext = options.context || s.context || s,
+			globalEventContext = callbackContext === s ? jQuery.event : jQuery( callbackContext ),
 			// Deferreds
 			deferred = jQuery.Deferred(),
 			completeDeferred = jQuery._Deferred(),
@@ -304,30 +295,25 @@ jQuery.extend({
 				},
 
 				// Builds headers hashtable if needed
-				// (match is used internally)
-				getResponseHeader: function( key , match ) {
+				getResponseHeader: function( key ) {
+
+					var match;
 
 					if ( state === 2 ) {
 
-						if ( responseHeaders === undefined ) {
+						if ( !responseHeaders ) {
 
 							responseHeaders = {};
 
-							if ( typeof responseHeadersString === "string" ) {
-
-								while( ( match = rheaders.exec( responseHeadersString ) ) ) {
-									responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
-								}
+							while( ( match = rheaders.exec( responseHeadersString ) ) ) {
+								responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
 							}
 						}
 						match = responseHeaders[ key.toLowerCase() ];
 
-					} else {
-
-						match = null;
 					}
 
-					return match;
+					return match || null;
 				},
 
 				// Cancel the request
@@ -340,6 +326,10 @@ jQuery.extend({
 				}
 			};
 
+		// We force the original context
+		// (plain objects used as context get extended)
+		s.context = options.context;
+
 		// Callback for when everything is done
 		// It is defined here because jslint complains if it is declared
 		// at the end of the function (which would be more logical and readable)
@@ -355,7 +345,7 @@ jQuery.extend({
 
 			// Dereference transport for early garbage collection
 			// (no matter how long the jXHR transport will be used
-			transport = 0;
+			transport = undefined;
 
 			// Set readyState
 			jXHR.readyState = status ? 4 : 0;
@@ -378,7 +368,12 @@ jQuery.extend({
 				// Stored success
 				success,
 				// Stored error
-				error;
+				error,
+
+				// Keep track of statusCode callbacks
+				oldStatusCode = statusCode;
+
+			statusCode = undefined;
 
 			// If successful, handle type chaining
 			if ( status >= 200 && status < 300 || status === 304 ) {
@@ -420,6 +415,8 @@ jQuery.extend({
 							current,
 							// Previous dataType
 							prev,
+							// Conversion expression
+							conversion,
 							// Conversion function
 							conv,
 							// Conversion functions (when text is used in-between)
@@ -458,8 +455,8 @@ jQuery.extend({
 								if ( prev !== "*" && current !== "*" && prev !== current ) {
 
 									// Get the converter
-									conv = converters[ prev + " " + current ] ||
-										converters[ "* " + current ];
+									conversion = prev + " " + current;
+									conv = converters[ conversion ] || converters[ "* " + current ];
 
 									conv1 = conv2 = 0;
 
@@ -534,7 +531,7 @@ jQuery.extend({
 			}
 
 			// Status-dependent callbacks
-			jXHR.statusCode( statusCode );
+			jXHR.statusCode( oldStatusCode );
 
 			if ( s.global ) {
 				globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ) ,
@@ -562,20 +559,14 @@ jQuery.extend({
 		// Status-dependent callbacks
 		jXHR.statusCode = function( map ) {
 			if ( map ) {
-				var resolved = jXHR.isResolved(),
-					tmp;
-				if ( resolved || jXHR.isRejected() ) {
-					tmp = map[ jXHR.status ];
-					if ( tmp ) {
-						if ( map === statusCode ) {
-							delete statusCode[ jXHR.status ];
-						}
-						jXHR[ resolved ? "done" : "fail" ]( tmp );
-					}
-				} else {
+				var tmp;
+				if ( statusCode ) {
 					for( tmp in map ) {
 						statusCode[ tmp ] = [ statusCode[ tmp ] , map[ tmp ] ];
 					}
+				} else {
+					tmp = map[ jXHR.status ];
+					jXHR.done( tmp ).fail( tmp );
 				}
 			}
 			return this;
@@ -977,33 +968,4 @@ function determineDataType( s , ct , text , xml ) {
 	return response;
 }
 
-/*
- * Create the request object; Microsoft failed to properly
- * implement the XMLHttpRequest in IE7 (can't request local files),
- * so we use the ActiveXObject when it is available
- * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
- * we need a fallback.
- */
-if ( window.ActiveXObject ) {
-	jQuery.ajaxSettings.xhr = function() {
-	if ( window.location.protocol !== "file:" ) {
-		try {
-			return new window.XMLHttpRequest();
-		} catch( xhrError ) {}
-	}
-
-	try {
-		return new window.ActiveXObject("Microsoft.XMLHTTP");
-	} catch( activeError ) {}
-	};
-}
-
-var testXHR = jQuery.ajaxSettings.xhr();
-
-// Does this browser support XHR requests?
-jQuery.support.ajax = !!testXHR;
-
-// Does this browser support crossDomain XHR requests
-jQuery.support.cors = testXHR && "withCredentials" in testXHR;
-
 })( jQuery );