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Add additional check for horizontal scroll compatability #2

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Add additional check for horizontal scroll compatability #2

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50 changes: 34 additions & 16 deletions jquery.onscreen.js
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Original file line number Diff line number Diff line change
@@ -1,22 +1,40 @@
// onScreen jQuery plugin v0.2.1
// onScreen jQuery plugin v0.2.2
// (c) 2011 Ben Pickles
//
// http://benpickles.github.com/onScreen
//
// Released under MIT license.
;(function($) {
$.expr[":"].onScreen = function(elem) {
var $window = $(window)
var viewport_top = $window.scrollTop()
var viewport_height = $window.height()
var viewport_bottom = viewport_top + viewport_height
var $elem = $(elem)
var top = $elem.offset().top
var height = $elem.height()
var bottom = top + height
(function($) {
$.expr[":"].onScreen = function(elem) {
var $window = $(window);
var viewport_top = $window.scrollTop();
var viewport_left = $window.scrollLeft();
var viewport_width = $window.width();
var viewport_height = $window.height();
var viewport_right = viewport_left + viewport_width;
var viewport_bottom = viewport_top + viewport_height;
var $elem = $(elem);
var top = $elem.offset().top;
var left = $elem.offset().left;
var width = $elem.width();
var height = $elem.height();
var right = left + width;
var bottom = top + height;

return (top >= viewport_top && top < viewport_bottom) ||
(bottom > viewport_top && bottom <= viewport_bottom) ||
(height > viewport_height && top <= viewport_top && bottom >= viewport_bottom)
}
})(jQuery);
var onScreen = (
(
(left >= viewport_left && left < viewport_right) ||
(right > viewport_left && right <= viewport_right) ||
(width > viewport_width && left <= viewport_left && right >= viewport_right)
)
&&
(
(top >= viewport_top && top < viewport_bottom) ||
(bottom > viewport_top && bottom <= viewport_bottom) ||
(height > viewport_height && top <= viewport_top && bottom >= viewport_bottom)
)
);

return onScreen;
};
})(jQuery);
4 changes: 2 additions & 2 deletions jquery.onscreen.min.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// onScreen jQuery plugin v0.2.1
// onScreen jQuery plugin v0.2.2
// (c) 2011 Ben Pickles
//
// http://benpickles.github.com/onScreen
//
// Released under MIT license.
(function(a){a.expr[":"].onScreen=function(b){var c=a(window),d=c.scrollTop(),e=c.height(),f=d+e,g=a(b),h=g.offset().top,i=g.height(),j=h+i;return h>=d&&h<f||j>d&&j<=f||i>e&&h<=d&&j>=f}})(jQuery);
(function(e){e.expr[":"].onScreen=function(t){var n=e(window);var r=n.scrollTop();var i=n.scrollLeft();var s=n.width();var o=n.height();var u=i+s;var a=r+o;var f=e(t);var l=f.offset().top;var c=f.offset().left;var h=f.width();var p=f.height();var d=c+h;var v=l+p;var m=(c>=i&&c<u||d>i&&d<=u||h>s&&c<=i&&d>=u)&&(l>=r&&l<a||v>r&&v<=a||p>o&&l<=r&&v>=a);return m}})(jQuery)