X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fajax.js;h=e6c9ac8a5aeed664d4fd8223e7e9ce69a3d790b5;hb=081562cebc63617d2c99adbcefa107dbea5c9bee;hp=2c61cf27607551e552a767c56b4587f928879d42;hpb=ee22a59129e082a2bb9f5bc0b085191ab6faafc8;p=jquery.git

diff --git a/src/ajax.js b/src/ajax.js
index 2c61cf2..e6c9ac8 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -7,7 +7,7 @@ var r20 = /%20/g,
 	rheaders = /^(.*?):\s*(.*?)\r?$/mg, // IE leaves an \r character at EOL
 	rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
 	// #7653, #8125, #8152: local protocol detection
-	rlocalProtocol = /(?:^file|\-extension):$/,
+	rlocalProtocol = /(?:^file|^widget|\-extension):$/,
 	rnoContent = /^(?:GET|HEAD)$/,
 	rprotocol = /^\/\//,
 	rquery = /\?/,
@@ -15,7 +15,11 @@ var r20 = /%20/g,
 	rselectTextarea = /^(?:select|textarea)/i,
 	rspacesAjax = /\s+/,
 	rts = /([?&])_=[^&]*/,
-	rurl = /^(\w+:)\/\/([^\/?#:]*)(?::(\d+))?/,
+	rucHeaders = /(^|\-)([a-z])/g,
+	rucHeadersFunc = function( _, $1, $2 ) {
+		return $1 + $2.toUpperCase();
+	},
+	rurl = /^([\w\+\.\-]+:)\/\/([^\/?#:]*)(?::(\d+))?/,
 
 	// Keep a copy of the old load method
 	_load = jQuery.fn.load,
@@ -113,9 +117,9 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jqX
 	for(; i < length && ( executeOnly || !selection ); i++ ) {
 		selection = list[ i ]( options, originalOptions, jqXHR );
 		// If we got redirected to another dataType
-		// we try there if not done already
+		// we try there if executing only and not done already
 		if ( typeof selection === "string" ) {
-			if ( inspected[ selection ] ) {
+			if ( !executeOnly || inspected[ selection ] ) {
 				selection = undefined;
 			} else {
 				options.dataTypes.unshift( selection );
@@ -365,9 +369,10 @@ jQuery.extend({
 				( s.context = ( "context" in options ? options : jQuery.ajaxSettings ).context ) || s,
 			// Context for global events
 			// It's the callbackContext if one was provided in the options
-			// and if it's a DOM node
-			globalEventContext = callbackContext !== s && callbackContext.nodeType ?
-				jQuery( callbackContext ) : jQuery.event,
+			// and if it's a DOM node or a jQuery collection
+			globalEventContext = callbackContext !== s &&
+				( callbackContext.nodeType || callbackContext instanceof jQuery ) ?
+						jQuery( callbackContext ) : jQuery.event,
 			// Deferreds
 			deferred = jQuery.Deferred(),
 			completeDeferred = jQuery._Deferred(),
@@ -388,6 +393,8 @@ jQuery.extend({
 			parts,
 			// The jqXHR state
 			state = 0,
+			// To know if global events are to be dispatched
+			fireGlobals,
 			// Loop variable
 			i,
 			// Fake xhr
@@ -397,8 +404,8 @@ jQuery.extend({
 
 				// Caches the header
 				setRequestHeader: function( name, value ) {
-					if ( state === 0 ) {
-						requestHeaders[ name.toLowerCase() ] = value;
+					if ( !state ) {
+						requestHeaders[ name.toLowerCase().replace( rucHeaders, rucHeadersFunc ) ] = value;
 					}
 					return this;
 				},
@@ -423,6 +430,14 @@ jQuery.extend({
 					return match || null;
 				},
 
+				// Overrides response content-type header
+				overrideMimeType: function( type ) {
+					if ( !state ) {
+						s.mimeType = type;
+					}
+					return this;
+				},
+
 				// Cancel the request
 				abort: function( statusText ) {
 					statusText = statusText || "abort";
@@ -437,7 +452,7 @@ jQuery.extend({
 		// 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)
-		function done( status, statusText, responses, headers) {
+		function done( status, statusText, responses, headers ) {
 
 			// Called once
 			if ( state === 2 ) {
@@ -506,7 +521,7 @@ jQuery.extend({
 				// We extract error from statusText
 				// then normalize statusText and status for non-aborts
 				error = statusText;
-				if( status ) {
+				if( !statusText || status ) {
 					statusText = "error";
 					if ( status < 0 ) {
 						status = 0;
@@ -529,7 +544,7 @@ jQuery.extend({
 			jqXHR.statusCode( statusCode );
 			statusCode = undefined;
 
-			if ( s.global ) {
+			if ( fireGlobals ) {
 				globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ),
 						[ jqXHR, s, isSuccess ? success : error ] );
 			}
@@ -537,7 +552,7 @@ jQuery.extend({
 			// Complete
 			completeDeferred.resolveWith( callbackContext, [ jqXHR, statusText ] );
 
-			if ( s.global ) {
+			if ( fireGlobals ) {
 				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s] );
 				// Handle the global AJAX counter
 				if ( !( --jQuery.active ) ) {
@@ -594,6 +609,14 @@ jQuery.extend({
 		// Apply prefilters
 		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
 
+		// If request was aborted inside a prefiler, stop there
+		if ( state === 2 ) {
+			return false;
+		}
+
+		// We can fire global events as of now if asked to
+		fireGlobals = s.global;
+
 		// Uppercase the type
 		s.type = s.type.toUpperCase();
 
@@ -601,7 +624,7 @@ jQuery.extend({
 		s.hasContent = !rnoContent.test( s.type );
 
 		// Watch for a new set of requests
-		if ( s.global && jQuery.active++ === 0 ) {
+		if ( fireGlobals && jQuery.active++ === 0 ) {
 			jQuery.event.trigger( "ajaxStart" );
 		}
 
@@ -630,77 +653,76 @@ jQuery.extend({
 
 		// Set the correct header, if data is being sent
 		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
-			requestHeaders[ "content-type" ] = s.contentType;
+			requestHeaders[ "Content-Type" ] = s.contentType;
 		}
 
 		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
 		if ( s.ifModified ) {
 			ifModifiedKey = ifModifiedKey || s.url;
 			if ( jQuery.lastModified[ ifModifiedKey ] ) {
-				requestHeaders[ "if-modified-since" ] = jQuery.lastModified[ ifModifiedKey ];
+				requestHeaders[ "If-Modified-Since" ] = jQuery.lastModified[ ifModifiedKey ];
 			}
 			if ( jQuery.etag[ ifModifiedKey ] ) {
-				requestHeaders[ "if-none-match" ] = jQuery.etag[ ifModifiedKey ];
+				requestHeaders[ "If-None-Match" ] = jQuery.etag[ ifModifiedKey ];
 			}
 		}
 
 		// Set the Accepts header for the server, depending on the dataType
-		requestHeaders.accept = s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
+		requestHeaders.Accept = s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
 			s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", */*; q=0.01" : "" ) :
 			s.accepts[ "*" ];
 
 		// Check for headers option
 		for ( i in s.headers ) {
-			requestHeaders[ i.toLowerCase() ] = s.headers[ i ];
+			jqXHR.setRequestHeader( i, s.headers[ i ] );
 		}
 
 		// Allow custom headers/mimetypes and early abort
 		if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
 				// Abort if not done already
-				done( 0, "abort" );
-				// Return false
-				jqXHR = false;
+				jqXHR.abort();
+				return false;
 
-		} else {
+		}
 
-			// Install callbacks on deferreds
-			for ( i in { success: 1, error: 1, complete: 1 } ) {
-				jqXHR[ i ]( s[ i ] );
-			}
+		// Install callbacks on deferreds
+		for ( i in { success: 1, error: 1, complete: 1 } ) {
+			jqXHR[ i ]( s[ i ] );
+		}
 
-			// Get transport
-			transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
+		// Get transport
+		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
 
-			// If no transport, we auto-abort
-			if ( !transport ) {
-				done( -1, "No Transport" );
-			} else {
-				// Set state as sending
-				state = jqXHR.readyState = 1;
-				// Send global event
-				if ( s.global ) {
-					globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
-				}
-				// Timeout
-				if ( s.async && s.timeout > 0 ) {
-					timeoutTimer = setTimeout( function(){
-						jqXHR.abort( "timeout" );
-					}, s.timeout );
-				}
+		// If no transport, we auto-abort
+		if ( !transport ) {
+			done( -1, "No Transport" );
+		} else {
+			jqXHR.readyState = 1;
+			// Send global event
+			if ( fireGlobals ) {
+				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
+			}
+			// Timeout
+			if ( s.async && s.timeout > 0 ) {
+				timeoutTimer = setTimeout( function(){
+					jqXHR.abort( "timeout" );
+				}, s.timeout );
+			}
 
-				try {
-					transport.send( requestHeaders, done );
-				} catch (e) {
-					// Propagate exception as error if not done
-					if ( status < 2 ) {
-						done( -1, e );
-					// Simply rethrow otherwise
-					} else {
-						jQuery.error( e );
-					}
+			try {
+				state = 1;
+				transport.send( requestHeaders, done );
+			} catch (e) {
+				// Propagate exception as error if not done
+				if ( status < 2 ) {
+					done( -1, e );
+				// Simply rethrow otherwise
+				} else {
+					jQuery.error( e );
 				}
 			}
 		}
+
 		return jqXHR;
 	},
 
@@ -817,7 +839,7 @@ function ajaxHandleResponses( s, jqXHR, responses ) {
 	while( dataTypes[ 0 ] === "*" ) {
 		dataTypes.shift();
 		if ( ct === undefined ) {
-			ct = jqXHR.getResponseHeader( "content-type" );
+			ct = s.mimeType || jqXHR.getResponseHeader( "content-type" );
 		}
 	}