Created
March 2, 2011 14:48
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Hoverintent-like events using special events pattern so they can be used via bind and live
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/* | |
* jQuery special events for delayedEnter, delayedLeave, and delayedHover | |
* Author: Scott Jehl, scott@filamentgroup.com | |
* Copyright (c) 2011 Filament Group | |
* licensed under MIT | |
* note: Each event can be used with bind or live event handling as you would use mouseenter,mouseleave, and hover | |
* events fire after 200ms timeout | |
*/ | |
(function($){ | |
//delayedEnter event | |
$.event.special.delayedEnter = { | |
enabled: true, | |
setup: function() { | |
var thisObject = this, | |
$this = $( thisObject ), | |
timeout = 200, | |
hovering, | |
timer; | |
function trigger( event ) { | |
var originalType = event.type; | |
event.type = "delayedEnter"; | |
$.event.handle.call( thisObject, event ); | |
event.type = originalType; | |
} | |
$this.bind({ | |
"mouseenter": function( event ) { | |
if ( !$.event.special.delayedEnter.enabled ) { | |
return; | |
} | |
hovering = true; | |
clearTimeout( timer ); | |
timer = setTimeout(function() { | |
if ( hovering ) { | |
trigger( event ); | |
} | |
}, timeout ); | |
}, | |
"mouseleave": function(){ | |
hovering = false; | |
} | |
}); | |
} | |
}; | |
//make available as method | |
$.fn.delayedEnter = function( fn ) { | |
return fn ? this.bind( "delayedEnter", fn ) : this.trigger( "delayedEnter" ); | |
}; | |
$.attrFn.delayedEnter = true; | |
//delayedLeave event | |
$.event.special.delayedLeave = { | |
enabled: true, | |
setup: function() { | |
var thisObject = this, | |
$this = $( thisObject ), | |
timeout = 300, | |
hovering, | |
timer; | |
function trigger( event ) { | |
var originalType = event.type; | |
event.type = "delayedLeave"; | |
$.event.handle.call( thisObject, event ); | |
event.type = originalType; | |
} | |
$this.bind({ | |
"mouseleave": function( event ) { | |
if ( !$.event.special.delayedLeave.enabled ) { | |
return; | |
} | |
hovering = false; | |
clearTimeout( timer ); | |
timer = setTimeout(function() { | |
if ( !hovering ) { | |
trigger( event ); | |
} | |
}, timeout ); | |
}, | |
"mouseenter": function(){ | |
hovering = true; | |
} | |
}); | |
} | |
}; | |
//make available as method | |
$.fn.delayedLeave = function( fn ) { | |
return fn ? this.bind( "delayedLeave", fn ) : this.trigger( "delayedLeave" ); | |
}; | |
$.attrFn.delayedLeave = true; | |
//proxy similar to jQuery's hover | |
//if leaveCallback isn't defined, enterCallback will apply to both | |
$.fn.delayedHover = function( enterCallback, leaveCallback ){ | |
return this.delayedEnter(enterCallback).delayedLeave( leaveCallback || enterCallback ); | |
}; | |
})(jQuery); |
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did some changes to get it running with v1.9.0 and later
https://gist.github.com/5098447