import { combineReducers } from 'redux'; import { ReducerRegistry } from '../redux'; import { SET_AUDIO_AVAILABLE, SET_AUDIO_MUTED, SET_CAMERA_FACING_MODE, SET_VIDEO_AVAILABLE, SET_VIDEO_MUTED, TOGGLE_CAMERA_FACING_MODE } from './actionTypes'; import { CAMERA_FACING_MODE } from './constants'; /** * Media state object for local audio. * * @typedef {Object} AudioMediaState * @property {boolean} muted=false - Audio muted state. */ /** * Initial state for local audio. * * @type {AudioMediaState} */ const AUDIO_INITIAL_MEDIA_STATE = { available: true, muted: false }; /** * Reducer for audio media state. * * @param {AudioMediaState} state - Media state of local audio. * @param {Object} action - Action object. * @param {string} action.type - Type of action. * @private * @returns {AudioMediaState} */ function _audio(state = AUDIO_INITIAL_MEDIA_STATE, action) { switch (action.type) { case SET_AUDIO_AVAILABLE: return { ...state, available: action.available }; case SET_AUDIO_MUTED: return { ...state, muted: action.muted }; default: return state; } } /** * Media state object for local video. * * @typedef {Object} VideoMediaState * @property {CAMERA_FACING_MODE} facingMode='user' - Camera facing mode. * @property {boolean} muted=false - Video muted state. */ /** * Initial state for video. * * @type {VideoMediaState} */ const VIDEO_INITIAL_MEDIA_STATE = { available: true, facingMode: CAMERA_FACING_MODE.USER, muted: 0 }; /** * Reducer for camera media state. * * @param {VideoMediaState} state - Media state of local video. * @param {Object} action - Action object. * @param {string} action.type - Type of action. * @private * @returns {VideoMediaState} */ function _video(state = VIDEO_INITIAL_MEDIA_STATE, action) { switch (action.type) { case SET_CAMERA_FACING_MODE: return { ...state, facingMode: action.cameraFacingMode }; case SET_VIDEO_AVAILABLE: return { ...state, available: action.available }; case SET_VIDEO_MUTED: return { ...state, muted: action.muted }; case TOGGLE_CAMERA_FACING_MODE: { let cameraFacingMode = state.facingMode; cameraFacingMode = cameraFacingMode === CAMERA_FACING_MODE.USER ? CAMERA_FACING_MODE.ENVIRONMENT : CAMERA_FACING_MODE.USER; return { ...state, facingMode: cameraFacingMode }; } default: return state; } } /** * Listen for various actions related to media devices. * * @param {Object} state - State of media devices. * @param {Object} action - Action object. * @param {string} action.type - Type of action. * @param {Object} action.media - Information about media devices to be * modified. * @returns {Object} */ ReducerRegistry.register('features/base/media', combineReducers({ audio: _audio, video: _video }));