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

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// @flow
import { JitsiParticipantConnectionStatus } from '../base/lib-jitsi-meet';
import { MEDIA_TYPE } from '../base/media';
import {
getLocalParticipant,
getParticipantById,
getParticipantCountWithFake,
getPinnedParticipant
} from '../base/participants';
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import { toState } from '../base/redux';
import {
getLocalVideoTrack,
getTrackByMediaTypeAndParticipant,
isLocalTrackMuted,
isRemoteTrackMuted
} from '../base/tracks/functions';
import {
ASPECT_RATIO_BREAKPOINT,
DISPLAY_AVATAR,
DISPLAY_AVATAR_WITH_NAME,
DISPLAY_BLACKNESS_WITH_NAME,
DISPLAY_VIDEO,
DISPLAY_VIDEO_WITH_NAME,
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SCROLL_SIZE,
SQUARE_TILE_ASPECT_RATIO,
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STAGE_VIEW_THUMBNAIL_HORIZONTAL_BORDER,
TILE_ASPECT_RATIO,
TILE_HORIZONTAL_MARGIN,
TILE_VERTICAL_MARGIN,
VERTICAL_FILMSTRIP_MIN_HORIZONTAL_MARGIN
} from './constants';
export * from './functions.any';
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declare var interfaceConfig: Object;
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/**
* Returns true if the filmstrip on mobile is visible, false otherwise.
*
* NOTE: Filmstrip on web behaves differently to mobile, much simpler, but so
* function lies here only for the sake of consistency and to avoid flow errors
* on import.
*
* @param {Object | Function} stateful - The Object or Function that can be
* resolved to a Redux state object with the toState function.
* @returns {boolean}
*/
export function isFilmstripVisible(stateful: Object | Function) {
return toState(stateful)['features/filmstrip'].visible;
}
/**
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* Determines whether the remote video thumbnails should be displayed/visible in
* the filmstrip.
*
* @param {Object} state - The full redux state.
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* @returns {boolean} - If remote video thumbnails should be displayed/visible
* in the filmstrip, then {@code true}; otherwise, {@code false}.
*/
export function shouldRemoteVideosBeVisible(state: Object) {
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if (state['features/invite'].calleeInfoVisible) {
return false;
}
// Include fake participants to derive how many thumbnails are dispalyed,
// as it is assumed all participants, including fake, will be displayed
// in the filmstrip.
const participantCount = getParticipantCountWithFake(state);
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let pinnedParticipant;
const { disable1On1Mode } = state['features/base/config'];
const { contextMenuOpened } = state['features/base/responsive-ui'];
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return Boolean(
contextMenuOpened
|| participantCount > 2
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// Always show the filmstrip when there is another participant to
// show and the local video is pinned, or the toolbar is displayed.
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|| (participantCount > 1
&& disable1On1Mode !== null
&& (state['features/toolbox'].visible
|| ((pinnedParticipant = getPinnedParticipant(state))
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&& pinnedParticipant.local)))
|| disable1On1Mode);
}
/**
* Checks whether there is a playable video stream available for the user associated with the passed ID.
*
* @param {Object | Function} stateful - The Object or Function that can be
* resolved to a Redux state object with the toState function.
* @param {string} id - The id of the participant.
* @returns {boolean} <tt>true</tt> if there is a playable video stream available
* or <tt>false</tt> otherwise.
*/
export function isVideoPlayable(stateful: Object | Function, id: String) {
const state = toState(stateful);
const tracks = state['features/base/tracks'];
const participant = id ? getParticipantById(state, id) : getLocalParticipant(state);
const isLocal = participant?.local ?? true;
const { connectionStatus } = participant || {};
const videoTrack
= isLocal ? getLocalVideoTrack(tracks) : getTrackByMediaTypeAndParticipant(tracks, MEDIA_TYPE.VIDEO, id);
const isAudioOnly = Boolean(state['features/base/audio-only'].enabled);
let isPlayable = false;
if (isLocal) {
const isVideoMuted = isLocalTrackMuted(tracks, MEDIA_TYPE.VIDEO);
isPlayable = Boolean(videoTrack) && !isVideoMuted && !isAudioOnly;
} else if (!participant?.isFakeParticipant) { // remote participants excluding shared video
const isVideoMuted = isRemoteTrackMuted(tracks, MEDIA_TYPE.VIDEO, id);
isPlayable = Boolean(videoTrack) && !isVideoMuted && !isAudioOnly
&& connectionStatus === JitsiParticipantConnectionStatus.ACTIVE;
}
return isPlayable;
}
/**
* Calculates the size for thumbnails when in horizontal view layout.
*
* @param {number} clientHeight - The height of the app window.
* @returns {{local: {height, width}, remote: {height, width}}}
*/
export function calculateThumbnailSizeForHorizontalView(clientHeight: number = 0) {
const topBottomMargin = 15;
const availableHeight = Math.min(clientHeight, (interfaceConfig.FILM_STRIP_MAX_HEIGHT || 120) + topBottomMargin);
const height = availableHeight - topBottomMargin;
return {
local: {
height,
width: Math.floor(interfaceConfig.LOCAL_THUMBNAIL_RATIO * height)
},
remote: {
height,
width: Math.floor(interfaceConfig.REMOTE_THUMBNAIL_RATIO * height)
}
};
}
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/**
* Calculates the size for thumbnails when in vertical view layout.
*
* @param {number} clientWidth - The height of the app window.
* @returns {{local: {height, width}, remote: {height, width}}}
*/
export function calculateThumbnailSizeForVerticalView(clientWidth: number = 0) {
const horizontalMargin
= VERTICAL_FILMSTRIP_MIN_HORIZONTAL_MARGIN + SCROLL_SIZE
+ TILE_HORIZONTAL_MARGIN + STAGE_VIEW_THUMBNAIL_HORIZONTAL_BORDER;
const availableWidth = Math.min(
Math.max(clientWidth - horizontalMargin, 0),
interfaceConfig.FILM_STRIP_MAX_HEIGHT || 120);
return {
local: {
height: Math.floor(availableWidth / interfaceConfig.LOCAL_THUMBNAIL_RATIO),
width: availableWidth
},
remote: {
height: Math.floor(availableWidth / interfaceConfig.REMOTE_THUMBNAIL_RATIO),
width: availableWidth
}
};
}
/**
* Calculates the size for thumbnails when in tile view layout.
*
* @param {Object} dimensions - The desired dimensions of the tile view grid.
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* @returns {{hasScroll, height, width}}
*/
export function calculateThumbnailSizeForTileView({
columns,
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minVisibleRows,
rows,
clientWidth,
clientHeight,
disableResponsiveTiles
}: Object) {
let aspectRatio = TILE_ASPECT_RATIO;
if (!disableResponsiveTiles && clientWidth < ASPECT_RATIO_BREAKPOINT) {
aspectRatio = SQUARE_TILE_ASPECT_RATIO;
}
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const viewWidth = clientWidth - (columns * TILE_HORIZONTAL_MARGIN);
const viewHeight = clientHeight - (minVisibleRows * TILE_VERTICAL_MARGIN);
const initialWidth = viewWidth / columns;
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const initialHeight = viewHeight / minVisibleRows;
const aspectRatioHeight = initialWidth / aspectRatio;
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const noScrollHeight = (clientHeight / rows) - TILE_VERTICAL_MARGIN;
const scrollInitialWidth = (viewWidth - SCROLL_SIZE) / columns;
let height = Math.floor(Math.min(aspectRatioHeight, initialHeight));
let width = Math.floor(aspectRatio * height);
if (height > noScrollHeight && width > scrollInitialWidth) { // we will have scroll and we need more space for it.
const scrollAspectRatioHeight = scrollInitialWidth / aspectRatio;
// Recalculating width/height to fit the available space when a scroll is displayed.
// NOTE: Math.min(scrollAspectRatioHeight, initialHeight) would be enough to recalculate but since the new
// height value can theoretically be dramatically smaller and the scroll may not be neccessary anymore we need
// to compare it with noScrollHeight( the optimal height to fit all thumbnails without scroll) and get the
// bigger one. This way we ensure that we always strech the thumbnails as close as we can to the edges of the
// window.
height = Math.floor(Math.max(Math.min(scrollAspectRatioHeight, initialHeight), noScrollHeight));
width = Math.floor(aspectRatio * height);
}
return {
height,
width
};
}
/**
* Returns the width of the visible area (doesn't include the left margin/padding) of the the vertical filmstrip.
*
* @returns {number} - The width of the vertical filmstrip.
*/
export function getVerticalFilmstripVisibleAreaWidth() {
// Adding 11px for the 2px right margin, 2px borders on the left and right and 5px right padding.
// Also adding 7px for the scrollbar. Note that we are not counting the left margins and paddings because this
// function is used for calculating the available space and they are invisible.
// TODO: Check if we can remove the left margins and paddings from the CSS.
// FIXME: This function is used to calculate the size of the large video, etherpad or shared video. Once everything
// is reactified this calculation will need to move to the corresponding components.
const filmstripMaxWidth = (interfaceConfig.FILM_STRIP_MAX_HEIGHT || 120) + 18;
return Math.min(filmstripMaxWidth, window.innerWidth);
}
/**
* Computes information that determine the display mode.
*
* @param {Object} input - Obejct containing all necessary information for determining the display mode for
* the thumbnail.
* @returns {number} - One of <tt>DISPLAY_VIDEO</tt>, <tt>DISPLAY_AVATAR</tt> or <tt>DISPLAY_BLACKNESS_WITH_NAME</tt>.
*/
export function computeDisplayMode(input: Object) {
const {
isAudioOnly,
isCurrentlyOnLargeVideo,
isScreenSharing,
canPlayEventReceived,
isHovered,
isRemoteParticipant,
tileViewActive
} = input;
const adjustedIsVideoPlayable = input.isVideoPlayable && (!isRemoteParticipant || canPlayEventReceived);
if (!tileViewActive && isScreenSharing && isRemoteParticipant) {
return isHovered ? DISPLAY_AVATAR_WITH_NAME : DISPLAY_AVATAR;
} else if (isCurrentlyOnLargeVideo && !tileViewActive) {
// Display name is always and only displayed when user is on the stage
return adjustedIsVideoPlayable && !isAudioOnly ? DISPLAY_BLACKNESS_WITH_NAME : DISPLAY_AVATAR_WITH_NAME;
} else if (adjustedIsVideoPlayable && !isAudioOnly) {
// check hovering and change state to video with name
return isHovered ? DISPLAY_VIDEO_WITH_NAME : DISPLAY_VIDEO;
}
// check hovering and change state to avatar with name
return isHovered ? DISPLAY_AVATAR_WITH_NAME : DISPLAY_AVATAR;
}