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/**
*
* @author Victor Häggqvist
* @since 2016-01-14
*/
export default class ActivityIndicator {
constructor() {
this.element = document.createElement('div');
this.element.id = 'imagelightbox-loading';
this.element.appendChild(document.createElement('div'))
}
/**
*
* @param {LightBox} lightbox
*/
register(lightbox) {
lightbox.addOnLoadStartListener(this.activityIndicatorOn.bind(this));
lightbox.addOnLoadEndListener(this.activityIndicatorOff.bind(this));
lightbox.addOnEndListener(this.activityIndicatorOff.bind(this));
}
activityIndicatorOn() {
document.body.appendChild(this.element);
}
activityIndicatorOff() {
try {
document.body.removeChild(this.element);
} catch (e) {}
}
}
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