21 lines
675 B
JavaScript
21 lines
675 B
JavaScript
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// @flow
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import { toState } from '../base/redux';
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/**
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* Returns true if the filmstrip on mobile is visible, false otherwise.
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*
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* NOTE: Filmstrip on mobile behaves differently to web, and is only visible
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* when there are at least 2 participants.
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*
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* @param {Object | Function} stateful - The Object or Function that can be
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* resolved to a Redux state object with the toState function.
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* @returns {boolean}
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*/
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export function isFilmstripVisible(stateful: Object | Function) {
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const state = toState(stateful);
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const { length: participantCount } = state['features/base/participants'];
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return state['features/filmstrip'].visible && participantCount > 1;
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}
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