jiti-meet/react/features/filmstrip/reducer.js

287 lines
7.0 KiB
JavaScript

// @flow
import { PARTICIPANT_LEFT } from '../base/participants';
import { ReducerRegistry } from '../base/redux';
import {
REMOVE_STAGE_PARTICIPANT,
SET_STAGE_PARTICIPANTS,
SET_FILMSTRIP_ENABLED,
SET_FILMSTRIP_VISIBLE,
SET_FILMSTRIP_WIDTH,
SET_HORIZONTAL_VIEW_DIMENSIONS,
SET_REMOTE_PARTICIPANTS,
SET_STAGE_FILMSTRIP_DIMENSIONS,
SET_TILE_VIEW_DIMENSIONS,
SET_USER_FILMSTRIP_WIDTH,
SET_USER_IS_RESIZING,
SET_VERTICAL_VIEW_DIMENSIONS,
SET_VISIBLE_REMOTE_PARTICIPANTS,
SET_VOLUME,
SET_MAX_STAGE_PARTICIPANTS,
CLEAR_STAGE_PARTICIPANTS
} from './actionTypes';
const DEFAULT_STATE = {
/**
* The list of participants to be displayed on the stage filmstrip.
*/
activeParticipants: [],
/**
* The indicator which determines whether the {@link Filmstrip} is enabled.
*
* @public
* @type {boolean}
*/
enabled: true,
/**
* The horizontal view dimensions.
*
* @public
* @type {Object}
*/
horizontalViewDimensions: {},
/**
* Whether or not the user is actively resizing the filmstrip.
*
* @public
* @type {boolean}
*/
isResizing: false,
/**
* The current max number of participants to be displayed on the stage filmstrip.
*
* @public
* @type {Number}
*/
maxStageParticipants: 4,
/**
* The custom audio volume levels per participant.
*
* @type {Object}
*/
participantsVolume: {},
/**
* The ordered IDs of the remote participants displayed in the filmstrip.
*
* @public
* @type {Array<string>}
*/
remoteParticipants: [],
/**
* The stage filmstrip view dimensions.
*
* @public
* @type {Object}
*/
stageFilmstripDimensions: {},
/**
* The tile view dimensions.
*
* @public
* @type {Object}
*/
tileViewDimensions: {},
/**
* The vertical view dimensions.
*
* @public
* @type {Object}
*/
verticalViewDimensions: {},
/**
* The indicator which determines whether the {@link Filmstrip} is visible.
*
* @public
* @type {boolean}
*/
visible: true,
/**
* The end index in the remote participants array that is visible in the filmstrip.
*
* @public
* @type {number}
*/
visibleParticipantsEndIndex: 0,
/**
* The start index in the remote participants array that is visible in the filmstrip.
*
* @public
* @type {number}
*/
visibleParticipantsStartIndex: 0,
/**
* The visible remote participants in the filmstrip.
*
* @public
* @type {Set<string>}
*/
visibleRemoteParticipants: new Set(),
/**
* The width of the resizable filmstrip.
*
* @public
* @type {Object}
*/
width: {
/**
* Current width. Affected by: user filmstrip resize,
* window resize, panels open/ close.
*/
current: null,
/**
* Width set by user resize. Used as the preferred width.
*/
userSet: null
}
};
ReducerRegistry.register(
'features/filmstrip',
(state = DEFAULT_STATE, action) => {
switch (action.type) {
case SET_FILMSTRIP_ENABLED:
return {
...state,
enabled: action.enabled
};
case SET_FILMSTRIP_VISIBLE:
return {
...state,
visible: action.visible
};
case SET_HORIZONTAL_VIEW_DIMENSIONS:
return {
...state,
horizontalViewDimensions: action.dimensions
};
case SET_REMOTE_PARTICIPANTS: {
state.remoteParticipants = action.participants;
const { visibleParticipantsStartIndex: startIndex, visibleParticipantsEndIndex: endIndex } = state;
state.visibleRemoteParticipants = new Set(state.remoteParticipants.slice(startIndex, endIndex + 1));
return { ...state };
}
case SET_TILE_VIEW_DIMENSIONS:
return {
...state,
tileViewDimensions: action.dimensions
};
case SET_VERTICAL_VIEW_DIMENSIONS:
return {
...state,
verticalViewDimensions: action.dimensions
};
case SET_VOLUME:
return {
...state,
participantsVolume: {
...state.participantsVolume,
// NOTE: This would fit better in the features/base/participants. But currently we store
// the participants as an array which will make it expensive to search for the volume for
// every participant separately.
[action.participantId]: action.volume
}
};
case SET_VISIBLE_REMOTE_PARTICIPANTS: {
return {
...state,
visibleParticipantsStartIndex: action.startIndex,
visibleParticipantsEndIndex: action.endIndex,
visibleRemoteParticipants:
new Set(state.remoteParticipants.slice(action.startIndex, action.endIndex + 1))
};
}
case PARTICIPANT_LEFT: {
const { id, local } = action.participant;
if (local) {
return state;
}
delete state.participantsVolume[id];
return {
...state
};
}
case SET_FILMSTRIP_WIDTH: {
return {
...state,
width: {
...state.width,
current: action.width
}
};
}
case SET_USER_FILMSTRIP_WIDTH: {
const { width } = action;
return {
...state,
width: {
current: width,
userSet: width
}
};
}
case SET_USER_IS_RESIZING: {
return {
...state,
isResizing: action.resizing
};
}
case SET_STAGE_FILMSTRIP_DIMENSIONS: {
return {
...state,
stageFilmstripDimensions: action.dimensions
};
}
case SET_STAGE_PARTICIPANTS: {
return {
...state,
activeParticipants: action.queue
};
}
case REMOVE_STAGE_PARTICIPANT: {
return {
...state,
activeParticipants: state.activeParticipants.filter(p => p.participantId !== action.participantId)
};
}
case SET_MAX_STAGE_PARTICIPANTS: {
return {
...state,
maxStageParticipants: action.maxParticipants
};
}
case CLEAR_STAGE_PARTICIPANTS: {
return {
...state,
activeParticipants: []
};
}
}
return state;
});