63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
import {
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SET_AUDIO_INPUT_DEVICE,
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SET_VIDEO_INPUT_DEVICE,
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UPDATE_DEVICE_LIST
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} from './actionTypes';
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import { ReducerRegistry } from '../redux';
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const DEFAULT_STATE = {
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audioInput: [],
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audioOutput: [],
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videoInput: []
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};
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/**
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* Listen for actions which changes the state of known and used devices.
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*
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* @param {Object} state - The Redux state of the feature features/base/devices.
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* @param {Object} action - Action object.
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* @param {string} action.type - Type of action.
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* @param {Array<MediaDeviceInfo>} action.devices - All available audio and
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* video devices.
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* @returns {Object}
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*/
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ReducerRegistry.register(
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'features/base/devices',
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(state = DEFAULT_STATE, action) => {
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switch (action.type) {
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case UPDATE_DEVICE_LIST: {
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const deviceList = _groupDevicesByKind(action.devices);
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return {
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...deviceList
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};
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}
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// TODO: Changing of current audio and video device id is currently
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// handled outside of react/redux. Fall through to default logic for
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// now.
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case SET_AUDIO_INPUT_DEVICE:
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case SET_VIDEO_INPUT_DEVICE:
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default:
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return state;
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}
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});
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/**
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* Converts an array of media devices into an object organized by device kind.
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*
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* @param {Array<MediaDeviceInfo>} devices - Available media devices.
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* @private
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* @returns {Object} An object with the media devices split by type. The keys
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* are device type and the values are arrays with devices matching the device
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* type.
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*/
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function _groupDevicesByKind(devices) {
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return {
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audioInput: devices.filter(device => device.kind === 'audioinput'),
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audioOutput: devices.filter(device => device.kind === 'audiooutput'),
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videoInput: devices.filter(device => device.kind === 'videoinput')
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};
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}
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