memory,
// Flag to know if list is currently firing
firing,
// First callback to fire (used internally by add and fireWith)
firingStart,
// End of the loop when firing
firingLength,
// Index of currently firing callback (modified by remove if needed)
firingIndex,
// Add one or several callbacks to the list
add = function( args ) {
var i,
length,
elem,
type,
actual;
for ( i = 0, length = args.length; i < length; i++ ) {
elem = args[ i ];
type = jQuery.type( elem );
if ( type === “array” ) {
// Inspect recursively
add( elem );
} else if ( type === “function” ) {
// Add if not in unique mode and callback is not in
if ( !flags.unique || !self.has( elem ) ) {
list.push( elem );
}
}
}
},
// Fire callbacks
fire = function( context, args ) {
args = args || [];
memory = !flags.memory || [ context, args ];
firing = true;
firingIndex = firingStart || 0;
firingStart = 0;
firingLength = list.length;
for ( ; list && firingIndex < firingLength; firingIndex++ ) {
if ( list[ firingIndex ].apply( context, args ) === false && flags.stopOnFalse ) {
memory = true; // Mark as halted
break;
}
}
firing = false;
if ( list ) {
if ( !flags.once ) {
if ( stack && stack.length ) {
memory = stack.shift();
self.fireWith( memory[ 0 ], memory[ 1 ] );
}
} else if ( memory === true ) {
self.disable();
} else {
list = [];
}
}
},
// Actual Callbacks object
self = {
// Add a callback or a collection of callbacks to the list
add: function() {
if ( list ) {
var length = list.length;
add( arguments );
// Do we need to add the callbacks to the
// current firing batch?
if ( firing ) {
firingLength = list.length;
// With memory, if we’re not firing then
// we should call right away, unless previous
// firing was halted (stopOnFalse)
} else if ( memory && memory !== true ) {
firingStart = length;
fire( memory[ 0 ], memory[ 1 ] );
}
}
return this;
},
// Remove a callback from the list
remove: function() {
if ( list ) {
var args = arguments,
argIndex = 0,
argLength = args.length;
for ( ; argIndex < argLength ; argIndex++ ) {
for ( var i = 0; i < list.length; i++ ) {
if ( args[ argIndex ] === list[ i ] ) {
// Handle firingIndex and firingLength
if ( firing ) {
if ( i <= firingLength ) {
firingLength–;
if ( i <= firingIndex ) {
firingIndex–;
}
}
}
// Remove the element
list.splice( i–, 1 );
// If we have some unicity property then
// we only need to do this once
if ( flags.unique ) {
break;
}
}
}
}
}
return this;
},
// Control if a given callback is in the list
has: function( fn ) {
if ( list ) {
var i = 0,
length = list.length;
