45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
import Mixin from '@ember/object/mixin';
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import { computed } from '@ember/object';
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import { assert } from '@ember/debug';
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import WithVisibilityDetection from './with-route-visibility-detection';
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export default Mixin.create(WithVisibilityDetection, {
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watchers: computed(() => []),
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cancelAllWatchers() {
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this.watchers.forEach(watcher => {
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assert('Watchers must be Ember Concurrency Tasks.', !!watcher.cancelAll);
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watcher.cancelAll();
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});
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},
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startWatchers() {
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assert('startWatchers needs to be overridden in the Route', false);
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},
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setupController() {
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this.startWatchers(...arguments);
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return this._super(...arguments);
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},
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visibilityHandler() {
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if (document.hidden) {
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this.cancelAllWatchers();
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} else {
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this.startWatchers(this.controller, this.controller.get('model'));
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}
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},
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actions: {
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willTransition(transition) {
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// Don't cancel watchers if transitioning into a sub-route
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if (!transition.intent.name || !transition.intent.name.startsWith(this.routeName)) {
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this.cancelAllWatchers();
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}
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// Bubble the action up to the application route
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return true;
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},
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},
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});
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