X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=eb0c1c8a7aae7f73d0c17c5f1de5d421ddc9e783;hb=97b32d78307273f8bd2e5147bf5c0f0a45607a95;hp=8853e81cc11467ff0ba528dc91dbc04f615de501;hpb=11642ba20c10ced6363d81d6e3a0239ac10dab27;p=jquery.git diff --git a/src/core.js b/src/core.js index 8853e81..eb0c1c8 100644 --- a/src/core.js +++ b/src/core.js @@ -805,10 +805,7 @@ jQuery.extend({ }, // Create a simple deferred (one callbacks list) - _deferred: function( cancellable ) { - - // cancellable by default - cancellable = cancellable !== false; + _Deferred: function() { var // callbacks list callbacks = [], @@ -825,7 +822,7 @@ jQuery.extend({ then: function () { if ( ! cancelled ) { - + var args = arguments, i, length, @@ -852,24 +849,23 @@ jQuery.extend({ deferred.fire( _fired[ 0 ] , _fired[ 1 ] ); } } + return this; }, // resolve with given context and args - // (i is used internally) - fire: function( context , args , i ) { + fire: function( context , args ) { if ( ! cancelled && ! fired && ! firing ) { + firing = 1; + try { - for( i = 0 ; ! cancelled && callbacks[ i ] ; i++ ) { - cancelled = ( callbacks[ i ].apply( context , args ) === false ) && cancellable; + while( callbacks[ 0 ] ) { + callbacks.shift().apply( context , args ); } - } catch( e ) { - cancelled = cancellable; - jQuery.error( e ); - } finally { + } + finally { fired = [ context , args ]; - callbacks = cancelled ? [] : callbacks.slice( i + 1 ); firing = 0; } } @@ -882,15 +878,22 @@ jQuery.extend({ return this; }, - // cancelling further callbacks + // Has this deferred been resolved? + isResolved: function() { + return !!( firing || fired ); + }, + + // Cancel cancel: function() { - if ( cancellable ) { - callbacks = []; - cancelled = 1; - } + cancelled = 1; + callbacks = []; return this; - } + }, + // Has this deferred been cancelled? + isCancelled: function() { + return !!cancelled; + } }; // Add the deferred marker @@ -901,21 +904,11 @@ jQuery.extend({ // Full fledged deferred (two callbacks list) // Typical success/error system - deferred: function( func , cancellable ) { - - // Handle varargs - if ( arguments.length === 1 ) { - - if ( typeof func === "boolean" ) { - cancellable = func; - func = 0; - } - } + Deferred: function( func ) { - var errorDeferred = jQuery._deferred( cancellable ), - deferred = jQuery._deferred( cancellable ), - // Keep reference of the cancel method since we'll redefine it - cancelThen = deferred.cancel; + var errorDeferred = jQuery._Deferred(), + deferred = jQuery._Deferred(), + successCancel = deferred.cancel; // Add errorDeferred methods and redefine cancel jQuery.extend( deferred , { @@ -923,16 +916,16 @@ jQuery.extend({ fail: errorDeferred.then, fireReject: errorDeferred.fire, reject: errorDeferred.resolve, - cancel: function() { - cancelThen(); - errorDeferred.cancel(); - return this; - } + isRejected: errorDeferred.isResolved } ); + // Remove cancel related + delete deferred.cancel; + delete deferred.isCancelled; + // Make sure only one callback list will be used - deferred.then( errorDeferred.cancel ).fail( cancelThen ); + deferred.then( errorDeferred.cancel ).fail( successCancel ); // Call given func if any if ( func ) { @@ -943,20 +936,15 @@ jQuery.extend({ }, // Check if an object is a deferred - isDeferred: function( object , method ) { - method = method || "then"; - return !!( object && object[ method ] && object[ method ]._ === deferredMarker ); + isDeferred: function( object ) { + return !!( object && object.then && object.then._ === deferredMarker ); }, // Deferred helper - when: function( object , method ) { - method = method || "then"; - object = jQuery.isDeferred( object , method ) ? + when: function( object ) { + object = jQuery.isDeferred( object ) ? object : - jQuery.deferred().resolve( object ); - object.fail = object.fail || function() { return this; }; - object[ method ] = object[ method ] || object.then; - object.then = object.then || object[ method ]; + jQuery.Deferred().resolve( object ); return object; }, @@ -979,7 +967,7 @@ jQuery.extend({ // Create readyList deferred // also force $.fn.ready to be recognized as a defer -readyList = jQuery._deferred( false ); +readyList = jQuery._Deferred(); jQuery.fn.ready._ = deferredMarker; // Populate the class2type map @@ -1050,6 +1038,11 @@ function doScrollCheck() { jQuery.ready(); } +// Expose jQuery as an Asynchronous Module +if ( typeof define !== "undefined" ) { + define( "jquery", [], function () { return jQuery; } ); +} + // Expose jQuery to the global object return (window.jQuery = window.$ = jQuery);