59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
// @flow
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import { StateListenerRegistry, equals } from '../base/redux';
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import Filmstrip from '../../../modules/UI/videolayout/Filmstrip';
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import { getCurrentLayout, getTileViewGridDimensions, shouldDisplayTileView, LAYOUTS } from '../video-layout';
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import { setHorizontalViewDimensions, setTileViewDimensions } from './actions';
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/**
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* Listens for changes in the number of participants to calculate the dimensions of the tile view grid and the tiles.
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*/
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StateListenerRegistry.register(
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/* selector */ state => state['features/base/participants'].length,
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/* listener */ (numberOfParticipants, store) => {
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const state = store.getState();
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if (shouldDisplayTileView(state)) {
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const gridDimensions = getTileViewGridDimensions(state);
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const oldGridDimensions = state['features/filmstrip'].tileViewDimensions.gridDimensions;
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const { clientHeight, clientWidth } = state['features/base/responsive-ui'];
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if (!equals(gridDimensions, oldGridDimensions)) {
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store.dispatch(setTileViewDimensions(gridDimensions, {
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clientHeight,
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clientWidth
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}));
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}
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}
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});
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/**
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* Listens for changes in the selected layout to calculate the dimensions of the tile view grid and horizontal view.
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*/
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StateListenerRegistry.register(
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/* selector */ state => getCurrentLayout(state),
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/* listener */ (layout, store) => {
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const state = store.getState();
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switch (layout) {
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case LAYOUTS.TILE_VIEW: {
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const { clientHeight, clientWidth } = state['features/base/responsive-ui'];
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store.dispatch(setTileViewDimensions(
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getTileViewGridDimensions(state), {
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clientHeight,
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clientWidth
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}));
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break;
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}
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case LAYOUTS.HORIZONTAL_FILMSTRIP_VIEW:
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store.dispatch(setHorizontalViewDimensions(state['features/base/responsive-ui'].clientHeight));
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break;
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case LAYOUTS.VERTICAL_FILMSTRIP_VIEW:
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// Once the thumbnails are reactified this should be moved there too.
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Filmstrip.resizeThumbnailsForVerticalView();
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break;
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}
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});
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