18 lines
593 B
JavaScript
18 lines
593 B
JavaScript
import Mixin from '@ember/object/mixin';
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import { assert } from '@ember/debug';
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export default Mixin.create({
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visibilityHandler() {
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assert('visibilityHandler needs to be overridden in the Component', false);
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},
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setupDocumentVisibility: function() {
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this.set('_visibilityHandler', this.get('visibilityHandler').bind(this));
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document.addEventListener('visibilitychange', this.get('_visibilityHandler'));
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}.on('init'),
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removeDocumentVisibility: function() {
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document.removeEventListener('visibilitychange', this.get('_visibilityHandler'));
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}.on('willDestroy'),
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});
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