123 lines
3.9 KiB
JavaScript
123 lines
3.9 KiB
JavaScript
// @flow
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import { getFeatureFlag, FILMSTRIP_ENABLED } from '../base/flags';
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import { getParticipantCountWithFake, getPinnedParticipant } from '../base/participants';
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import { toState } from '../base/redux';
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import { ASPECT_RATIO_NARROW } from '../base/responsive-ui/constants';
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export * from './functions.any';
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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 enabled = getFeatureFlag(state, FILMSTRIP_ENABLED, true);
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if (!enabled) {
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return false;
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}
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return getParticipantCountWithFake(state) > 1;
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}
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/**
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* Determines whether the remote video thumbnails should be displayed/visible in
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* the filmstrip.
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*
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* @param {Object} state - The full redux state.
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* @returns {boolean} - If remote video thumbnails should be displayed/visible
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* in the filmstrip, then {@code true}; otherwise, {@code false}.
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*/
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export function shouldRemoteVideosBeVisible(state: Object) {
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if (state['features/invite'].calleeInfoVisible) {
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return false;
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}
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// Include fake participants to derive how many thumbnails are dispalyed,
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// as it is assumed all participants, including fake, will be displayed
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// in the filmstrip.
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const participantCount = getParticipantCountWithFake(state);
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const pinnedParticipant = getPinnedParticipant(state);
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const { disable1On1Mode } = state['features/base/config'];
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return Boolean(
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participantCount > 2
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// Always show the filmstrip when there is another participant to
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// show and the local video is pinned. Note we are not taking the
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// toolbar visibility into account here (unlike web) because
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// showing / hiding views in quick succession on mobile is taxing.
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|| (participantCount > 1 && pinnedParticipant?.local)
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|| disable1On1Mode);
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}
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/**
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* Returns how many columns should be displayed for tile view.
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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 {number} - The number of columns to be rendered in tile view.
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* @private
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*/
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export function getColumnCount(stateful: Object | Function) {
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const state = toState(stateful);
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const participantCount = getParticipantCountWithFake(state);
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const { aspectRatio } = state['features/base/responsive-ui'];
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// For narrow view, tiles should stack on top of each other for a lonely
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// call and a 1:1 call. Otherwise tiles should be grouped into rows of
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// two.
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if (aspectRatio === ASPECT_RATIO_NARROW) {
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return participantCount >= 3 ? 2 : 1;
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}
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if (participantCount === 4) {
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// In wide view, a four person call should display as a 2x2 grid.
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return 2;
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}
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return Math.min(3, participantCount);
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}
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/**
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* Returns true if thumbnail reordering is enabled and false otherwise.
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*
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* @param {Object} state - The redux state.
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* @returns {boolean} - True if thumbnail reordering is enabled and false otherwise.
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*/
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export function isReorderingEnabled(state) {
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const { testing = {} } = state['features/base/config'];
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const enableThumbnailReordering = testing.enableThumbnailReordering ?? true;
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return enableThumbnailReordering;
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}
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/**
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* Whether the stage filmstrip is available or not.
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*
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* @param {Object} state - Redux state.
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* @returns {boolean}
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*/
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export function isStageFilmstripAvailable() {
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return false;
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}
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/**
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* Whether the stage filmstrip is enabled.
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*
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* @returns {boolean}
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*/
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export function isStageFilmstripEnabled() {
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return false;
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}
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