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(function(){ | |
var set = function(obj, prop, val){ | |
Object.defineProperty(obj,prop,{ | |
value : val | |
}) | |
return val; | |
}; | |
var special = { | |
pageX : function(original){ | |
var eventDoc = this.target.ownerDocument || document; | |
doc = eventDoc.documentElement; | |
body = eventDoc.body; | |
return original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ) ; | |
}, | |
pageY : function(original){ | |
var eventDoc = this.target.ownerDocument || document; | |
doc = eventDoc.documentElement; | |
body = eventDoc.body; | |
return original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ) ; | |
}, | |
relatedTarget : function(original){ | |
return original.fromElement === this.target ? original.toElement : original.fromElement; | |
}, | |
which : function(original){ | |
var button = original.button; | |
return ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); | |
}, | |
metaKey : function(originalEvent){ | |
return originalEvent.ctrlKey; | |
}, | |
which : function(original){ | |
return original.charCode != null ? original.charCode : original.keyCode; | |
} | |
}; | |
$.each($.event.keyHooks.props.concat($.event.mouseHooks.props).concat($.event.props), function(i, prop){ | |
if(prop !== "target"){ | |
Object.defineProperty(jQuery.Event.prototype,prop,{ | |
get : function(){ | |
// get the original value | |
var originalValue = this.originalEvent[prop] | |
// overwrite getter lookup | |
return set(this,prop, | |
// if we have a special function and no value | |
special[prop] && originalValue == null ? | |
// call the special function | |
special[prop].call(this, this.originalEvent) : | |
// use the original value | |
originalValue ) | |
} | |
}) | |
} | |
}) | |
$.event.fix = function(event){ | |
if ( event[ jQuery.expando ] ) { | |
return event; | |
} | |
// Create a jQuery event with at minimum a target and type set | |
var originalEvent = event, | |
event = jQuery.Event( originalEvent ); | |
event.target = originalEvent.target; | |
// Fix target property, if necessary (#1925, IE 6/7/8 & Safari2) | |
if ( !event.target ) { | |
event.target = originalEvent.srcElement || document; | |
} | |
// Target should not be a text node (#504, Safari) | |
if ( event.target.nodeType === 3 ) { | |
event.target = event.target.parentNode; | |
} | |
return event; | |
} | |
})(); |
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