jiti-meet/react/features/device-selection/functions.js

230 lines
8.5 KiB
JavaScript

// @flow
import type { Dispatch } from 'redux';
import {
addPendingDeviceRequest,
areDeviceLabelsInitialized,
getAudioOutputDeviceId,
getAvailableDevices,
getDeviceIdByLabel,
groupDevicesByKind,
setAudioInputDeviceAndUpdateSettings,
setAudioOutputDevice,
setVideoInputDeviceAndUpdateSettings
} from '../base/devices';
import { isIosMobileBrowser } from '../base/environment/utils';
import JitsiMeetJS from '../base/lib-jitsi-meet';
import { toState } from '../base/redux';
import {
getUserSelectedCameraDeviceId,
getUserSelectedMicDeviceId,
getUserSelectedOutputDeviceId
} from '../base/settings';
/**
* Returns the properties for the device selection dialog from Redux state.
*
* @param {(Function|Object)} stateful -The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state.
* @param {boolean} isDisplayedOnWelcomePage - Indicates whether the device selection dialog is displayed on the
* welcome page or not.
* @returns {Object} - The properties for the device selection dialog.
*/
export function getDeviceSelectionDialogProps(stateful: Object | Function, isDisplayedOnWelcomePage) {
// On mobile Safari because of https://bugs.webkit.org/show_bug.cgi?id=179363#c30, the old track is stopped
// by the browser when a new track is created for preview. That's why we are disabling all previews.
const disablePreviews = isIosMobileBrowser();
const state = toState(stateful);
const settings = state['features/base/settings'];
const { permissions } = state['features/base/devices'];
const inputDeviceChangeSupported = JitsiMeetJS.mediaDevices.isDeviceChangeAvailable('input');
const speakerChangeSupported = JitsiMeetJS.mediaDevices.isDeviceChangeAvailable('output');
const userSelectedCamera = getUserSelectedCameraDeviceId(state);
const userSelectedMic = getUserSelectedMicDeviceId(state);
// When the previews are disabled we don't need multiple audio input support in order to chage the mic. This is the
// case for Safari on iOS.
let disableAudioInputChange
= !JitsiMeetJS.mediaDevices.isMultipleAudioInputSupported() && !(disablePreviews && inputDeviceChangeSupported);
let disableVideoInputSelect = !inputDeviceChangeSupported;
let selectedAudioInputId = settings.micDeviceId;
let selectedAudioOutputId = getAudioOutputDeviceId();
let selectedVideoInputId = settings.cameraDeviceId;
// audio input change will be a problem only when we are in a
// conference and this is not supported, when we open device selection on
// welcome page changing input devices will not be a problem
// on welcome page we also show only what we have saved as user selected devices
if (isDisplayedOnWelcomePage) {
disableAudioInputChange = false;
disableVideoInputSelect = false;
selectedAudioInputId = userSelectedMic;
selectedAudioOutputId = getUserSelectedOutputDeviceId(state);
selectedVideoInputId = userSelectedCamera;
}
// we fill the device selection dialog with the devices that are currently
// used or if none are currently used with what we have in settings(user selected)
return {
availableDevices: state['features/base/devices'].availableDevices,
disableAudioInputChange,
disableDeviceChange: !JitsiMeetJS.mediaDevices.isDeviceChangeAvailable(),
disableVideoInputSelect,
hasAudioPermission: permissions.audio,
hasVideoPermission: permissions.video,
hideAudioInputPreview: disableAudioInputChange || !JitsiMeetJS.isCollectingLocalStats() || disablePreviews,
hideAudioOutputPreview: !speakerChangeSupported || disablePreviews,
hideAudioOutputSelect: !speakerChangeSupported,
hideVideoInputPreview: !inputDeviceChangeSupported || disablePreviews,
selectedAudioInputId,
selectedAudioOutputId,
selectedVideoInputId
};
}
/**
* Processes device requests from external applications.
*
* @param {Dispatch} dispatch - The redux {@code dispatch} function.
* @param {Function} getState - The redux function that gets/retrieves the redux
* state.
* @param {Object} request - The request to be processed.
* @param {Function} responseCallback - The callback that will send the
* response.
* @returns {boolean} - True if the request has been processed and false otherwise.
*/
export function processExternalDeviceRequest( // eslint-disable-line max-params
dispatch: Dispatch<any>,
getState: Function,
request: Object,
responseCallback: Function) {
if (request.type !== 'devices') {
return false;
}
const state = getState();
const settings = state['features/base/settings'];
let result = true;
switch (request.name) {
case 'isDeviceListAvailable':
responseCallback(JitsiMeetJS.mediaDevices.isDeviceListAvailable());
break;
case 'isDeviceChangeAvailable':
responseCallback(
JitsiMeetJS.mediaDevices.isDeviceChangeAvailable(
request.deviceType));
break;
case 'isMultipleAudioInputSupported':
responseCallback(JitsiMeetJS.isMultipleAudioInputSupported());
break;
case 'getCurrentDevices':
dispatch(getAvailableDevices()).then(devices => {
if (areDeviceLabelsInitialized(state)) {
const deviceDescriptions = {
audioInput: undefined,
audioOutput: undefined,
videoInput: undefined
};
const currentlyUsedDeviceIds = new Set([
getAudioOutputDeviceId(),
settings.micDeviceId,
settings.cameraDeviceId
]);
devices.forEach(device => {
const { deviceId, kind } = device;
if (currentlyUsedDeviceIds.has(deviceId)) {
switch (kind) {
case 'audioinput':
deviceDescriptions.audioInput = device;
break;
case 'audiooutput':
deviceDescriptions.audioOutput = device;
break;
case 'videoinput':
deviceDescriptions.videoInput = device;
break;
}
}
});
responseCallback(deviceDescriptions);
} else {
// The labels are not available if the A/V permissions are
// not yet granted.
dispatch(addPendingDeviceRequest({
type: 'devices',
name: 'getCurrentDevices',
responseCallback
}));
}
});
break;
case 'getAvailableDevices':
dispatch(getAvailableDevices()).then(devices => {
if (areDeviceLabelsInitialized(state)) {
responseCallback(groupDevicesByKind(devices));
} else {
// The labels are not available if the A/V permissions are
// not yet granted.
dispatch(addPendingDeviceRequest({
type: 'devices',
name: 'getAvailableDevices',
responseCallback
}));
}
});
break;
case 'setDevice': {
const { device } = request;
if (!areDeviceLabelsInitialized(state)) {
dispatch(addPendingDeviceRequest({
type: 'devices',
name: 'setDevice',
device,
responseCallback
}));
return true;
}
const { label, id } = device;
const deviceId = label
? getDeviceIdByLabel(state, device.label, device.kind)
: id;
if (deviceId) {
switch (device.kind) {
case 'audioinput':
dispatch(setAudioInputDeviceAndUpdateSettings(deviceId));
break;
case 'audiooutput':
dispatch(setAudioOutputDevice(deviceId));
break;
case 'videoinput':
dispatch(setVideoInputDeviceAndUpdateSettings(deviceId));
break;
default:
result = false;
}
} else {
result = false;
}
responseCallback(result);
break;
}
default:
return false;
}
return true;
}