25 lines
758 B
JavaScript
25 lines
758 B
JavaScript
import Ember from 'ember';
|
|
import Mixin from '@ember/object/mixin';
|
|
import { assert } from '@ember/debug';
|
|
import { on } from '@ember/object/evented';
|
|
|
|
// eslint-disable-next-line ember/no-new-mixins
|
|
export default Mixin.create({
|
|
visibilityHandler() {
|
|
assert('visibilityHandler needs to be overridden in the Component', false);
|
|
},
|
|
|
|
setupDocumentVisibility: on('init', function () {
|
|
if (!Ember.testing) {
|
|
this.set('_visibilityHandler', this.visibilityHandler.bind(this));
|
|
document.addEventListener('visibilitychange', this._visibilityHandler);
|
|
}
|
|
}),
|
|
|
|
removeDocumentVisibility: on('init', function () {
|
|
if (!Ember.testing) {
|
|
document.removeEventListener('visibilitychange', this._visibilityHandler);
|
|
}
|
|
}),
|
|
});
|