jiti-meet/react/features/device-selection/components/DeviceSelectionDialogBase.js

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import React, { Component } from 'react';
import { StatelessDialog } from '../../base/dialog';
import { translate } from '../../base/i18n';
import { createLocalTrack } from '../../base/lib-jitsi-meet';
import AudioInputPreview from './AudioInputPreview';
import AudioOutputPreview from './AudioOutputPreview';
import DeviceSelector from './DeviceSelector';
import VideoInputPreview from './VideoInputPreview';
/**
* React component for previewing and selecting new audio and video sources.
*
* @extends Component
*/
class DeviceSelectionDialogBase extends Component {
/**
* DeviceSelectionDialogBase component's property types.
*
* @static
*/
static propTypes = {
/**
* All known audio and video devices split by type. This prop comes from
* the app state.
*/
availableDevices: React.PropTypes.object,
/**
* Closes the dialog.
*/
closeModal: React.PropTypes.func,
/**
* Device id for the current audio input device. This device will be set
* as the default audio input device to preview.
*/
currentAudioInputId: React.PropTypes.string,
/**
* Device id for the current audio output device. This device will be
* set as the default audio output device to preview.
*/
currentAudioOutputId: React.PropTypes.string,
/**
* Device id for the current video input device. This device will be set
* as the default video input device to preview.
*/
currentVideoInputId: React.PropTypes.string,
/**
* Whether or not the audio selector can be interacted with. If true,
* the audio input selector will be rendered as disabled. This is
* specifically used to prevent audio device changing in Firefox, which
* currently does not work due to a browser-side regression.
*/
disableAudioInputChange: React.PropTypes.bool,
/**
* Disables dismissing the dialog when the blanket is clicked. Enabled
* by default.
*/
disableBlanketClickDismiss: React.PropTypes.bool,
/**
* True if device changing is configured to be disallowed. Selectors
* will display as disabled.
*/
disableDeviceChange: React.PropTypes.bool,
/**
* Whether or not a new audio input source can be selected.
*/
hasAudioPermission: React.PropTypes.bool,
/**
* Whether or not a new video input sources can be selected.
*/
hasVideoPermission: React.PropTypes.bool,
/**
* If true, the audio meter will not display. Necessary for browsers or
* configurations that do not support local stats to prevent a
* non-responsive mic preview from displaying.
*/
hideAudioInputPreview: React.PropTypes.bool,
/**
* Whether or not the audio output source selector should display. If
* true, the audio output selector and test audio link will not be
* rendered. This is specifically used for hiding audio output on
* temasys browsers which do not support such change.
*/
hideAudioOutputSelect: React.PropTypes.bool,
/**
* Function that sets the audio input device.
*/
setAudioInputDevice: React.PropTypes.func,
/**
* Function that sets the audio output device.
*/
setAudioOutputDevice: React.PropTypes.func,
/**
* Function that sets the video input device.
*/
setVideoInputDevice: React.PropTypes.func,
/**
* Invoked to obtain translated strings.
*/
t: React.PropTypes.func
};
/**
* Initializes a new DeviceSelectionDialogBase instance.
*
* @param {Object} props - The read-only React Component props with which
* the new instance is to be initialized.
*/
constructor(props) {
super(props);
const { availableDevices } = this.props;
this.state = {
// JitsiLocalTrack to use for live previewing of audio input.
previewAudioTrack: null,
// JitsiLocalTrack to use for live previewing of video input.
previewVideoTrack: null,
// An message describing a problem with obtaining a video preview.
previewVideoTrackError: null,
// The audio input device id to show as selected by default.
selectedAudioInputId: this.props.currentAudioInputId || '',
// The audio output device id to show as selected by default.
selectedAudioOutputId: this.props.currentAudioOutputId || '',
// The video input device id to show as selected by default.
// FIXME: On temasys, without a device selected and put into local
// storage as the default device to use, the current video device id
// is a blank string. This is because the library gets a local video
// track and then maps the track's device id by matching the track's
// label to the MediaDeviceInfos returned from enumerateDevices. In
// WebRTC, the track label is expected to return the camera device
// label. However, temasys video track labels refer to track id, not
// device label, so the library cannot match the track to a device.
// The workaround of defaulting to the first videoInput available
// is re-used from the previous device settings implementation.
selectedVideoInputId: this.props.currentVideoInputId
|| (availableDevices.videoInput
&& availableDevices.videoInput[0]
&& availableDevices.videoInput[0].deviceId)
|| ''
};
// Preventing closing while cleaning up previews is important for
// supporting temasys video cleanup. Temasys requires its video object
// to be in the dom and visible for proper detaching of tracks. Delaying
// closure until cleanup is complete ensures no errors in the process.
this._isClosing = false;
this._setDevicesAndClose = this._setDevicesAndClose.bind(this);
this._onCancel = this._onCancel.bind(this);
this._onSubmit = this._onSubmit.bind(this);
this._updateAudioOutput = this._updateAudioOutput.bind(this);
this._updateAudioInput = this._updateAudioInput.bind(this);
this._updateVideoInput = this._updateVideoInput.bind(this);
}
/**
* Sets default device choices so a choice is pre-selected in the dropdowns
* and live previews are created.
*
* @inheritdoc
*/
componentDidMount() {
this._updateAudioOutput(this.state.selectedAudioOutputId);
this._updateAudioInput(this.state.selectedAudioInputId);
this._updateVideoInput(this.state.selectedVideoInputId);
}
/**
* Disposes preview tracks that might not already be disposed.
*
* @inheritdoc
*/
componentWillUnmount() {
// This handles the case where neither submit nor cancel were triggered,
// such as on modal switch. In that case, make a dying attempt to clean
// up previews.
if (!this._isClosing) {
this._attemptPreviewTrackCleanup();
}
}
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
*/
render() {
return (
<StatelessDialog
cancelTitleKey = { 'dialog.Cancel' }
disableBlanketClickDismiss
= { this.props.disableBlanketClickDismiss }
okTitleKey = { 'dialog.Save' }
onCancel = { this._onCancel }
onSubmit = { this._onSubmit }
titleKey = 'deviceSelection.deviceSettings'>
<div className = 'device-selection'>
<div className = 'device-selection-column column-video'>
<div className = 'device-selection-video-container'>
<VideoInputPreview
error = { this.state.previewVideoTrackError }
track = { this.state.previewVideoTrack } />
</div>
{ this._renderAudioInputPreview() }
</div>
<div className = 'device-selection-column column-selectors'>
<div className = 'device-selectors'>
{ this._renderSelectors() }
</div>
{ this._renderAudioOutputPreview() }
</div>
</div>
</StatelessDialog>
);
}
/**
* Cleans up preview tracks if they are not active tracks.
*
* @private
* @returns {Array<Promise>} Zero to two promises will be returned. One
* promise can be for video cleanup and another for audio cleanup.
*/
_attemptPreviewTrackCleanup() {
return Promise.all([
this._disposeVideoPreview(),
this._disposeAudioPreview()
]);
}
/**
* Utility function for disposing the current audio preview.
*
* @private
* @returns {Promise}
*/
_disposeAudioPreview() {
return this.state.previewAudioTrack
? this.state.previewAudioTrack.dispose() : Promise.resolve();
}
/**
* Utility function for disposing the current video preview.
*
* @private
* @returns {Promise}
*/
_disposeVideoPreview() {
return this.state.previewVideoTrack
? this.state.previewVideoTrack.dispose() : Promise.resolve();
}
/**
* Disposes preview tracks and signals to
* close DeviceSelectionDialogBase.
*
* @private
* @returns {boolean} Returns false to prevent closure until cleanup is
* complete.
*/
_onCancel() {
if (this._isClosing) {
return false;
}
this._isClosing = true;
const cleanupPromises = this._attemptPreviewTrackCleanup();
Promise.all(cleanupPromises)
.then(this.props.closeModal)
.catch(this.props.closeModal);
return false;
}
/**
* Identifies changes to the preferred input/output devices and perform
* necessary cleanup and requests to use those devices. Closes the modal
* after cleanup and device change requests complete.
*
* @private
* @returns {boolean} Returns false to prevent closure until cleanup is
* complete.
*/
_onSubmit() {
if (this._isClosing) {
return false;
}
this._isClosing = true;
this._attemptPreviewTrackCleanup()
.then(this._setDevicesAndClose, this._setDevicesAndClose);
return false;
}
/**
* Creates an AudioInputPreview for previewing if audio is being received.
* Null will be returned if local stats for tracking audio input levels
* cannot be obtained.
*
* @private
* @returns {ReactComponent|null}
*/
_renderAudioInputPreview() {
if (this.props.hideAudioInputPreview) {
return null;
}
return (
<AudioInputPreview
track = { this.state.previewAudioTrack } />
);
}
/**
* Creates an AudioOutputPreview instance for playing a test sound with the
* passed in device id. Null will be returned if hideAudioOutput is truthy.
*
* @private
* @returns {ReactComponent|null}
*/
_renderAudioOutputPreview() {
if (this.props.hideAudioOutputSelect) {
return null;
}
return (
<AudioOutputPreview
deviceId = { this.state.selectedAudioOutputId } />
);
}
/**
* Creates a DeviceSelector instance based on the passed in configuration.
*
* @private
* @param {Object} props - The props for the DeviceSelector.
* @returns {ReactElement}
*/
_renderSelector(props) {
return (
<DeviceSelector { ...props } />
);
}
/**
* Creates DeviceSelector instances for video output, audio input, and audio
* output.
*
* @private
* @returns {Array<ReactElement>} DeviceSelector instances.
*/
_renderSelectors() {
const { availableDevices } = this.props;
const configurations = [
{
devices: availableDevices.videoInput,
hasPermission: this.props.hasVideoPermission,
icon: 'icon-camera',
isDisabled: this.props.disableDeviceChange,
key: 'videoInput',
label: 'settings.selectCamera',
onSelect: this._updateVideoInput,
selectedDeviceId: this.state.selectedVideoInputId
},
{
devices: availableDevices.audioInput,
hasPermission: this.props.hasAudioPermission,
icon: 'icon-microphone',
isDisabled: this.props.disableAudioInputChange
|| this.props.disableDeviceChange,
key: 'audioInput',
label: 'settings.selectMic',
onSelect: this._updateAudioInput,
selectedDeviceId: this.state.selectedAudioInputId
}
];
if (!this.props.hideAudioOutputSelect) {
configurations.push({
devices: availableDevices.audioOutput,
hasPermission: this.props.hasAudioPermission
|| this.props.hasVideoPermission,
icon: 'icon-volume',
isDisabled: this.props.disableDeviceChange,
key: 'audioOutput',
label: 'settings.selectAudioOutput',
onSelect: this._updateAudioOutput,
selectedDeviceId: this.state.selectedAudioOutputId
});
}
return configurations.map(this._renderSelector);
}
/**
* Sets the selected devices and closes the dialog.
*
* @returns {void}
*/
_setDevicesAndClose() {
const {
setVideoInputDevice,
setAudioInputDevice,
setAudioOutputDevice,
closeModal
} = this.props;
const promises = [];
if (this.state.selectedVideoInputId
!== this.props.currentVideoInputId) {
promises.push(setVideoInputDevice(this.state.selectedVideoInputId));
}
if (this.state.selectedAudioInputId
!== this.props.currentAudioInputId) {
promises.push(setAudioInputDevice(this.state.selectedAudioInputId));
}
if (this.state.selectedAudioOutputId
!== this.props.currentAudioOutputId) {
promises.push(
setAudioOutputDevice(this.state.selectedAudioOutputId));
}
Promise.all(promises).then(closeModal, closeModal);
}
/**
* Callback invoked when a new audio input device has been selected. Updates
* the internal state of the user's selection as well as the audio track
* that should display in the preview.
*
* @param {string} deviceId - The id of the chosen audio input device.
* @private
* @returns {void}
*/
_updateAudioInput(deviceId) {
this.setState({
selectedAudioInputId: deviceId
}, () => {
this._disposeAudioPreview()
.then(() => createLocalTrack('audio', deviceId))
.then(jitsiLocalTrack => {
this.setState({
previewAudioTrack: jitsiLocalTrack
});
})
.catch(() => {
this.setState({
previewAudioTrack: null
});
});
});
}
/**
* Callback invoked when a new audio output device has been selected.
* Updates the internal state of the user's selection.
*
* @param {string} deviceId - The id of the chosen audio output device.
* @private
* @returns {void}
*/
_updateAudioOutput(deviceId) {
this.setState({
selectedAudioOutputId: deviceId
});
}
/**
* Callback invoked when a new video input device has been selected. Updates
* the internal state of the user's selection as well as the video track
* that should display in the preview.
*
* @param {string} deviceId - The id of the chosen video input device.
* @private
* @returns {void}
*/
_updateVideoInput(deviceId) {
this.setState({
selectedVideoInputId: deviceId
}, () => {
this._disposeVideoPreview()
.then(() => createLocalTrack('video', deviceId))
.then(jitsiLocalTrack => {
this.setState({
previewVideoTrack: jitsiLocalTrack,
previewVideoTrackError: null
});
})
.catch(() => {
this.setState({
previewVideoTrack: null,
previewVideoTrackError:
this.props.t('deviceSelection.previewUnavailable')
});
});
});
}
}
export default translate(DeviceSelectionDialogBase);