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poteto/in-viewport-api.js

Last active August 29, 2015 14:10
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in-viewport-api.js
enteredViewport: Ember.computed('boundingClientRect', 'windowHeight', 'windowWidth', function() {
var rect, windowHeight, windowWidth;
rect = this.get('boundingClientRect');
windowHeight = this.get('windowHeight');
windowWidth = this.get('windowWidth');
return (
rect.top >= 0 &&
rect.left >= 0 &&
rect.bottom <= windowHeight &&
rect.right <= windowWidth
);
}),
exitedViewport: Ember.computed.not('enteredViewport'),
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