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git.immae.eu Git - github/shaarli/Shaarli.git/blob - inc/jquery.lazyload.min.js
2 * Lazy Load - jQuery plugin for lazy loading images
4 * Copyright (c) 2007-2012 Mika Tuupola
6 * Licensed under the MIT license:
7 * http://www.opensource.org/licenses/mit-license.php
10 * http://www.appelsiini.net/projects/lazyload
15 (function(a
,b
){$window
=a(b
),a
.fn
.lazyload=function(c
){var d
={threshold:0,failure_limit:0,event:"scroll",effect:"show",container:b
,data_attribute:"original",skip_invisible:!0,appear:null,load:null};c
&&(undefined!==c
.failurelimit
&&(c
.failure_limit
=c
.failurelimit
,delete c
.failurelimit
),undefined!==c
.effectspeed
&&(c
.effect_speed
=c
.effectspeed
,delete c
.effectspeed
),a
.extend(d
,c
));var e
=this;return 0==d
.event
.indexOf("scroll")&&a(d
.container
).bind(d
.event
,function(b
){var c
=0;e
.each(function(){$this=a(this);if(d
.skip_invisible
&&!$this.is(":visible"))return;if(!a
.abovethetop(this,d
)&&!a
.leftofbegin(this,d
))if(!a
.belowthefold(this,d
)&&!a
.rightoffold(this,d
))$this.trigger("appear");else if(++c
>d
.failure_limit
)return!1})}),this.each(function(){var b
=this,c
=a(b
);b
.loaded
=!1,c
.one("appear",function(){if(!this.loaded
){if(d
.appear
){var f
=e
.length
;d
.appear
.call(b
,f
,d
)}a("<img />").bind("load",function(){c
.hide().attr("src",c
.data(d
.data_attribute
))[d
.effect
](d
.effect_speed
),b
.loaded
=!0;var f
=a
.grep(e
,function(a
){return!a
.loaded
});e
=a(f
);if(d
.load
){var g
=e
.length
;d
.load
.call(b
,g
,d
)}}).attr("src",c
.data(d
.data_attribute
))}}),0!=d
.event
.indexOf("scroll")&&c
.bind(d
.event
,function(a
){b
.loaded
||c
.trigger("appear")})}),$window
.bind("resize",function(b
){a(d
.container
).trigger(d
.event
)}),a(d
.container
).trigger(d
.event
),this},a
.belowthefold=function(c
,d
){if(d
.container
===undefined||d
.container
===b
)var e
=$window
.height()+$window
.scrollTop();else var e
=a(d
.container
).offset().top
+a(d
.container
).height();return e
<=a(c
).offset().top
-d
.threshold
},a
.rightoffold=function(c
,d
){if(d
.container
===undefined||d
.container
===b
)var e
=$window
.width()+$window
.scrollLeft();else var e
=a(d
.container
).offset().left
+a(d
.container
).width();return e
<=a(c
).offset().left
-d
.threshold
},a
.abovethetop=function(c
,d
){if(d
.container
===undefined||d
.container
===b
)var e
=$window
.scrollTop();else var e
=a(d
.container
).offset().top
;return e
>=a(c
).offset().top
+d
.threshold
+a(c
).height()},a
.leftofbegin=function(c
,d
){if(d
.container
===undefined||d
.container
===b
)var e
=$window
.scrollLeft();else var e
=a(d
.container
).offset().left
;return e
>=a(c
).offset().left
+d
.threshold
+a(c
).width()},a
.inviewport=function(b
,c
){return!a
.rightofscreen(b
,c
)&&!a
.leftofscreen(b
,c
)&&!a
.belowthefold(b
,c
)&&!a
.abovethetop(b
,c
)},a
.extend(a
.expr
[":"],{"below-the-fold":function(c
){return a
.belowthefold(c
,{threshold:0,container:b
})},"above-the-top":function(c
){return!a
.belowthefold(c
,{threshold:0,container:b
})},"right-of-screen":function(c
){return a
.rightoffold(c
,{threshold:0,container:b
})},"left-of-screen":function(c
){return!a
.rightoffold(c
,{threshold:0,container:b
})},"in-viewport":function(c
){return!a
.inviewport(c
,{threshold:0,container:b
})},"above-the-fold":function(c
){return!a
.belowthefold(c
,{threshold:0,container:b
})},"right-of-fold":function(c
){return a
.rightoffold(c
,{threshold:0,container:b
})},"left-of-fold":function(c
){return!a
.rightoffold(c
,{threshold:0,container:b
})}})})(jQuery
,window
)
projects / github / shaarli / Shaarli.git / blob