X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=d77c818e63131af78aa55460714a19eadedcaa08;hb=3663836b0180f3a73d96ec234d5d7010e5652a4b;hp=586e372de5edf029e392975a41d2e5eee30aceff;hpb=6b08d88d04f4a41849753999e6e18126895086d0;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 586e372..d77c818 100644
--- a/src/core.js
+++ b/src/core.js
@@ -56,16 +56,8 @@ var jQuery = function( selector, context ) {
 	// The deferred used on DOM ready
 	readyList,
 
-	// Promise methods (with equivalent for invert)
-	promiseMethods = {
-		then: 0, // will be overwritten for invert
-		done: "fail",
-		fail: "done",
-		isResolved: "isRejected",
-		isRejected: "isResolved",
-		promise: "invert",
-		invert: "promise"
-	},
+	// Promise methods
+	promiseMethods = "then done fail isResolved isRejected promise".split( " " ),
 
 	// The ready event handler
 	DOMContentLoaded,
@@ -851,6 +843,12 @@ jQuery.extend({
 								callbacks.shift().apply( context, args );
 							}
 						}
+						// We have to add a catch block for
+						// IE prior to 8 or else the finally
+						// block will never get executed
+						catch (e) {
+							throw e;
+						}
 						finally {
 							fired = [ context, args ];
 							firing = 0;
@@ -885,9 +883,8 @@ jQuery.extend({
 	Deferred: function( func ) {
 		var deferred = jQuery._Deferred(),
 			failDeferred = jQuery._Deferred(),
-			promise,
-			invert;
-		// Add errorDeferred methods, then, promise and invert
+			promise;
+		// Add errorDeferred methods, then and promise
 		jQuery.extend( deferred, {
 			then: function( doneCallbacks, failCallbacks ) {
 				deferred.done( doneCallbacks ).fail( failCallbacks );
@@ -906,32 +903,15 @@ jQuery.extend({
 					}
 					promise = obj = {};
 				}
-				for( var methodName in promiseMethods ) {
-					obj[ methodName ] = deferred[ methodName ];
+				var i = promiseMethods.length;
+				while( i-- ) {
+					obj[ promiseMethods[i] ] = deferred[ promiseMethods[i] ];
 				}
 				return obj;
-			},
-			// Get the invert promise for this deferred
-			// If obj is provided, the invert promise aspect is added to the object
-			invert: function( obj ) {
-				if ( obj == null ) {
-					if ( invert ) {
-						return invert;
-					}
-					invert = obj = {};
-				}
-				for( var methodName in promiseMethods ) {
-					obj[ methodName ] = promiseMethods[ methodName ] && deferred[ promiseMethods[methodName] ];
-				}
-				obj.then = invert.then || function( doneCallbacks, failCallbacks ) {
-					deferred.done( failCallbacks ).fail( doneCallbacks );
-					return this;
-				};
-				return obj;
 			}
 		} );
 		// Make sure only one callback list will be used
-		deferred.then( failDeferred.cancel, deferred.cancel );
+		deferred.done( failDeferred.cancel ).fail( deferred.cancel );
 		// Unexpose cancel
 		delete deferred.cancel;
 		// Call given func if any
@@ -943,24 +923,34 @@ jQuery.extend({
 
 	// Deferred helper
 	when: function( object ) {
-		var args = arguments,
-			length = args.length,
-			deferred = length <= 1 && object && jQuery.isFunction( object.promise ) ?
+		var lastIndex = arguments.length,
+			deferred = lastIndex <= 1 && object && jQuery.isFunction( object.promise ) ?
 				object :
 				jQuery.Deferred(),
-			promise = deferred.promise(),
-			resolveArray;
-
-		if ( length > 1 ) {
-			resolveArray = new Array( length );
-			jQuery.each( args, function( index, element ) {
-				jQuery.when( element ).then( function( value ) {
-					resolveArray[ index ] = arguments.length > 1 ? slice.call( arguments, 0 ) : value;
-					if( ! --length ) {
-						deferred.resolveWith( promise, resolveArray );
-					}
-				}, deferred.reject );
-			} );
+			promise = deferred.promise();
+
+		if ( lastIndex > 1 ) {
+			var array = slice.call( arguments, 0 ),
+				count = lastIndex,
+				iCallback = function( index ) {
+					return function( value ) {
+						array[ index ] = arguments.length > 1 ? slice.call( arguments, 0 ) : value;
+						if ( !( --count ) ) {
+							deferred.resolveWith( promise, array );
+						}
+					};
+				};
+			while( ( lastIndex-- ) ) {
+				object = array[ lastIndex ];
+				if ( object && jQuery.isFunction( object.promise ) ) {
+					object.promise().then( iCallback(lastIndex), deferred.reject );
+				} else {
+					--count;
+				}
+			}
+			if ( !count ) {
+				deferred.resolveWith( promise, array );
+			}
 		} else if ( deferred !== object ) {
 			deferred.resolve( object );
 		}