jiti-meet/react/features/filmstrip/subscriber.web.js

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// @flow
import { isMobileBrowser } from '../base/environment/utils';
import { getParticipantCountWithFake, pinParticipant } from '../base/participants';
import { StateListenerRegistry } from '../base/redux';
import { clientResized } from '../base/responsive-ui';
import { shouldHideSelfView } from '../base/settings';
import { setFilmstripVisible } from '../filmstrip/actions';
import { selectParticipantInLargeVideo } from '../large-video/actions.any';
import { getParticipantsPaneOpen } from '../participants-pane/functions';
import { setOverflowDrawer } from '../toolbox/actions.web';
import { getCurrentLayout, shouldDisplayTileView, LAYOUTS } from '../video-layout';
import {
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clearStageParticipants,
setHorizontalViewDimensions,
setStageFilmstripViewDimensions,
setTileViewDimensions,
setVerticalViewDimensions
} from './actions';
import {
ASPECT_RATIO_BREAKPOINT,
DISPLAY_DRAWER_THRESHOLD
} from './constants';
import {
isFilmstripResizable,
isFilmstripScrollVisible,
updateRemoteParticipants
} from './functions';
import './subscriber.any';
/**
* Listens for changes in the number of participants to calculate the dimensions of the tile view grid and the tiles.
*/
StateListenerRegistry.register(
/* selector */ state => {
return {
numberOfParticipants: getParticipantCountWithFake(state),
disableSelfView: shouldHideSelfView(state),
localScreenShare: state['features/base/participants'].localScreenShare
};
},
/* listener */ (currentState, store) => {
const state = store.getState();
const resizableFilmstrip = isFilmstripResizable(state);
if (shouldDisplayTileView(state)) {
store.dispatch(setTileViewDimensions());
}
if (resizableFilmstrip) {
store.dispatch(setVerticalViewDimensions());
}
}, {
deepEquals: true
});
/**
* Listens for changes in the selected layout to calculate the dimensions of the tile view grid and horizontal view.
*/
StateListenerRegistry.register(
/* selector */ state => {
const { clientHeight, clientWidth } = state['features/base/responsive-ui'];
return {
layout: getCurrentLayout(state),
height: clientHeight,
width: clientWidth
};
},
/* listener */ ({ layout }, store) => {
switch (layout) {
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case LAYOUTS.TILE_VIEW:
store.dispatch(setTileViewDimensions());
break;
case LAYOUTS.HORIZONTAL_FILMSTRIP_VIEW:
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store.dispatch(setHorizontalViewDimensions());
break;
case LAYOUTS.VERTICAL_FILMSTRIP_VIEW:
store.dispatch(setVerticalViewDimensions());
if (store.getState()['features/filmstrip'].activeParticipants.length > 1) {
store.dispatch(clearStageParticipants());
}
break;
case LAYOUTS.STAGE_FILMSTRIP_VIEW:
store.dispatch(pinParticipant(null));
break;
}
}, {
deepEquals: true
});
/**
* Listens for changes in the chat state to recompute available width.
*/
StateListenerRegistry.register(
/* selector */ state => state['features/chat'].isOpen,
/* listener */ (isChatOpen, store) => {
const { innerWidth, innerHeight } = window;
if (isChatOpen) {
// $FlowFixMe
document.body.classList.add('shift-right');
} else {
// $FlowFixMe
document.body.classList.remove('shift-right');
}
store.dispatch(clientResized(innerWidth, innerHeight));
});
/**
* Listens for changes in the participant pane state to calculate the
* dimensions of the tile view grid and the tiles.
*/
StateListenerRegistry.register(
/* selector */ getParticipantsPaneOpen,
/* listener */ (isOpen, store) => {
const { innerWidth, innerHeight } = window;
store.dispatch(clientResized(innerWidth, innerHeight));
});
/**
* Listens for changes in the client width to determine whether the overflow menu(s) should be displayed as drawers.
*/
StateListenerRegistry.register(
/* selector */ state => state['features/base/responsive-ui'].clientWidth < DISPLAY_DRAWER_THRESHOLD,
/* listener */ (widthBelowThreshold, store) => {
if (isMobileBrowser()) {
store.dispatch(setOverflowDrawer(widthBelowThreshold));
}
});
/**
* Gracefully hide/show the filmstrip when going past threshold.
*/
StateListenerRegistry.register(
/* selector */ state => state['features/base/responsive-ui'].clientWidth < ASPECT_RATIO_BREAKPOINT,
/* listener */ (widthBelowThreshold, store) => {
const state = store.getState();
const { disableFilmstripAutohiding } = state['features/base/config'];
if (!disableFilmstripAutohiding) {
store.dispatch(setFilmstripVisible(!widthBelowThreshold));
}
});
/**
* Listens for changes in the filmstrip width to determine the size of the tiles.
*/
StateListenerRegistry.register(
/* selector */ state => state['features/filmstrip'].width?.current,
/* listener */(_, store) => {
store.dispatch(setVerticalViewDimensions());
});
/**
* Listens for changes in the filmstrip config to determine the size of the tiles.
*/
StateListenerRegistry.register(
/* selector */ state => state['features/base/config'].filmstrip?.disableResizable,
/* listener */(_, store) => {
store.dispatch(setVerticalViewDimensions());
});
/**
* Listens for changes in the filmstrip scroll visibility.
*/
StateListenerRegistry.register(
/* selector */ state => isFilmstripScrollVisible(state),
/* listener */ (_, store) => updateRemoteParticipants(store));
/**
* Listens for changes to determine the size of the stage filmstrip tiles.
*/
StateListenerRegistry.register(
/* selector */ state => {
return {
remoteScreenShares: state['features/video-layout'].remoteScreenShares.length,
length: state['features/filmstrip'].activeParticipants.length,
width: state['features/filmstrip'].width?.current,
visible: state['features/filmstrip'].visible,
clientWidth: state['features/base/responsive-ui'].clientWidth,
tileView: state['features/video-layout'].tileViewEnabled
};
},
/* listener */(_, store) => {
if (getCurrentLayout(store.getState()) === LAYOUTS.STAGE_FILMSTRIP_VIEW) {
store.dispatch(setStageFilmstripViewDimensions());
}
}, {
deepEquals: true
});
/**
* Listens for changes in the active participants count determine the stage participant (when
* there's just one).
*/
StateListenerRegistry.register(
/* selector */ state => state['features/filmstrip'].activeParticipants.length,
/* listener */(length, store) => {
if (length <= 1) {
store.dispatch(selectParticipantInLargeVideo());
}
});