fix: AlwaysOnTop avatar

react/features/always-on-top/AlwaysOnTop.js

@@ -2,6 +2,11 @@
 
 import React, { Component } from 'react';
 
+// We need to reference these files directly to avoid loading things that are not available
+// in this environment (e.g. JitsiMeetJS or interfaceConfig)
+import StatelessAvatar from '../base/avatar/components/web/StatelessAvatar';
+import { getInitials } from '../base/avatar/functions';
+
 import Toolbar from './Toolbar';
 
 const { api } = window.alwaysOnTop;
@@ -17,6 +22,7 @@ const TOOLBAR_TIMEOUT = 4000;
 type State = {
     avatarURL: string,
     displayName: string,
+    formattedDisplayName: string,
     isVideoDisplayed: boolean,
     visible: boolean
 };
@@ -42,6 +48,7 @@ export default class AlwaysOnTop extends Component<*, State> {
         this.state = {
             avatarURL: '',
             displayName: '',
+            formattedDisplayName: '',
             isVideoDisplayed: true,
             visible: true
         };
@@ -78,10 +85,15 @@ export default class AlwaysOnTop extends Component<*, State> {
      *
      * @returns {void}
      */
-    _displayNameChangedListener({ formattedDisplayName, id }) {
+    _displayNameChangedListener({ displayname, formattedDisplayName, id }) {
         if (api._getOnStageParticipant() === id
-                && formattedDisplayName !== this.state.displayName) {
-            this.setState({ displayName: formattedDisplayName });
+                && (formattedDisplayName !== this.state.formattedDisplayName
+                    || displayname !== this.state.displayName)) {
+            // I think the API has a typo using lowercase n for the displayname
+            this.setState({
+                displayName: displayname,
+                formattedDisplayName
+            });
         }
     }
 
@@ -112,12 +124,14 @@ export default class AlwaysOnTop extends Component<*, State> {
     _largeVideoChangedListener() {
         const userID = api._getOnStageParticipant();
         const avatarURL = api.getAvatarURL(userID);
-        const displayName = api._getFormattedDisplayName(userID);
+        const displayName = api.getDisplayName(userID);
+        const formattedDisplayName = api._getFormattedDisplayName(userID);
         const isVideoDisplayed = Boolean(api._getLargeVideo());
 
         this.setState({
             avatarURL,
             displayName,
+            formattedDisplayName,
             isVideoDisplayed
         });
     }
@@ -161,7 +175,7 @@ export default class AlwaysOnTop extends Component<*, State> {
      * @returns {ReactElement}
      */
     _renderVideoNotAvailableScreen() {
-        const { avatarURL, displayName, isVideoDisplayed } = this.state;
+        const { avatarURL, displayName, formattedDisplayName, isVideoDisplayed } = this.state;
 
         if (isVideoDisplayed) {
             return null;
@@ -169,19 +183,16 @@ export default class AlwaysOnTop extends Component<*, State> {
 
         return (
             <div id = 'videoNotAvailableScreen'>
-                {
-                    avatarURL
-                        ? <div id = 'avatarContainer'>
-                            <img
-                                id = 'avatar'
-                                src = { avatarURL } />
-                        </div>
-                        : null
-                }
+                <div id = 'avatarContainer'>
+                    <StatelessAvatar
+                        id = 'avatar'
+                        initials = { getInitials(displayName) }
+                        url = { avatarURL } />)
+                </div>
                 <div
                     className = 'displayname'
                     id = 'displayname'>
-                    { displayName }
+                    { formattedDisplayName }
                 </div>
             </div>
         );

react/features/base/avatar/components/AbstractStatelessAvatar.js

@@ -0,0 +1,37 @@
+// @flow
+
+import { PureComponent } from 'react';
+
+export type Props = {
+
+    /**
+     * Color of the (initials based) avatar, if needed.
+     */
+    color?: string,
+
+    /**
+     * Initials to be used to render the initials based avatars.
+     */
+    initials?: string,
+
+    /**
+     * Callback to signal the failure of the loading of the URL.
+     */
+    onAvatarLoadError?: Function,
+
+    /**
+     * Expected size of the avatar.
+     */
+    size?: number;
+
+    /**
+     * The URL of the avatar to render.
+     */
+    url?: ?string
+};
+
+/**
+ * Implements an abstract stateless avatar component that renders an avatar purely from what gets passed through
+ * props.
+ */
+export default class AbstractStatelessAvatar<P: Props> extends PureComponent<P> {}

react/features/base/avatar/components/AbstractAvatar.js → react/features/base/avatar/components/Avatar.js

@@ -1,11 +1,14 @@
 // @flow
 
-import { PureComponent } from 'react';
+import React, { PureComponent } from 'react';
 
 import { getParticipantById } from '../../participants';
+import { connect } from '../../redux';
 
 import { getAvatarColor, getInitials } from '../functions';
 
+import { StatelessAvatar } from '.';
+
 export type Props = {
 
     /**
@@ -18,6 +21,11 @@ export type Props = {
      */
     _loadableAvatarUrl: ?string,
 
+    /**
+     * A prop to maintain compatibility with web.
+     */
+    className?: string,
+
     /**
      * A string to override the initials to generate a color of. This is handy if you don't want to make
      * the background color match the string that the initials are generated from.
@@ -30,6 +38,11 @@ export type Props = {
      */
     displayName?: string,
 
+    /**
+     * ID of the element, if any.
+     */
+    id?: string,
+
     /**
      * The ID of the participant to render an avatar for (if it's a participant avatar).
      */
@@ -41,9 +54,9 @@ export type Props = {
     size: number,
 
     /**
-     * URI of the avatar, if any.
+     * URL of the avatar, if any.
      */
-    uri: ?string,
+    url: ?string,
 }
 
 type State = {
@@ -53,9 +66,9 @@ type State = {
 export const DEFAULT_SIZE = 65;
 
 /**
- * Implements an abstract class to render avatars in the app.
+ * Implements a class to render avatars in the app.
  */
-export default class AbstractAvatar<P: Props> extends PureComponent<P, State> {
+class Avatar<P: Props> extends PureComponent<P, State> {
     /**
      * Instantiates a new {@code Component}.
      *
@@ -77,7 +90,7 @@ export default class AbstractAvatar<P: Props> extends PureComponent<P, State> {
      * @inheritdoc
      */
     componentDidUpdate(prevProps: P) {
-        if (prevProps.uri !== this.props.uri) {
+        if (prevProps.url !== this.props.url) {
 
             // URI changed, so we need to try to fetch it again.
             // Eslint doesn't like this statement, but based on the React doc, it's safe if it's
@@ -99,25 +112,45 @@ export default class AbstractAvatar<P: Props> extends PureComponent<P, State> {
         const {
             _initialsBase,
             _loadableAvatarUrl,
+            className,
             colorBase,
-            uri
+            id,
+            size,
+            url
         } = this.props;
         const { avatarFailed } = this.state;
 
+        const avatarProps = {
+            className,
+            color: undefined,
+            id,
+            initials: undefined,
+            onAvatarLoadError: undefined,
+            size,
+            url: undefined
+        };
+
         // _loadableAvatarUrl is validated that it can be loaded, but uri (if present) is not, so
         // we still need to do a check for that. And an explicitly provided URI is higher priority than
         // an avatar URL anyhow.
-        if ((uri && !avatarFailed) || _loadableAvatarUrl) {
-            return this._renderURLAvatar((!avatarFailed && uri) || _loadableAvatarUrl);
-        }
-
-        const _initials = getInitials(_initialsBase);
-
-        if (_initials) {
-            return this._renderInitialsAvatar(_initials, getAvatarColor(colorBase || _initialsBase));
+        const effectiveURL = (!avatarFailed && url) || _loadableAvatarUrl;
+
+        if (effectiveURL) {
+            avatarProps.onAvatarLoadError = this._onAvatarLoadError;
+            avatarProps.url = effectiveURL;
+        } else {
+            const initials = getInitials(_initialsBase);
+
+            if (initials) {
+                avatarProps.color = getAvatarColor(colorBase || _initialsBase);
+                avatarProps.initials = initials;
+            }
         }
 
-        return this._renderDefaultAvatar();
+        return (
+            <StatelessAvatar
+                { ...avatarProps } />
+        );
     }
 
     _onAvatarLoadError: () => void;
@@ -132,30 +165,6 @@ export default class AbstractAvatar<P: Props> extends PureComponent<P, State> {
             avatarFailed: true
         });
     }
-
-    /**
-     * Function to render the actual, platform specific default avatar component.
-     *
-     * @returns {React$Element<*>}
-     */
-    _renderDefaultAvatar: () => React$Element<*>
-
-    /**
-     * Function to render the actual, platform specific initials-based avatar component.
-     *
-     * @param {string} initials - The initials to use.
-     * @param {string} color - The color to use.
-     * @returns {React$Element<*>}
-     */
-    _renderInitialsAvatar: (string, string) => React$Element<*>
-
-    /**
-     * Function to render the actual, platform specific URL-based avatar component.
-     *
-     * @param {string} uri - The URI of the avatar.
-     * @returns {React$Element<*>}
-     */
-    _renderURLAvatar: ?string => React$Element<*>
 }
 
 /**
@@ -168,10 +177,12 @@ export default class AbstractAvatar<P: Props> extends PureComponent<P, State> {
 export function _mapStateToProps(state: Object, ownProps: Props) {
     const { displayName, participantId } = ownProps;
     const _participant = participantId && getParticipantById(state, participantId);
-    const _initialsBase = (_participant && (_participant.name || _participant.email)) || displayName;
+    const _initialsBase = (_participant && _participant.name) || displayName;
 
     return {
         _initialsBase,
         _loadableAvatarUrl: _participant && _participant.loadableAvatarUrl
     };
 }
+
+export default connect(_mapStateToProps)(Avatar);

react/features/base/avatar/components/index.native.js

@@ -1,3 +1,4 @@
 // @flow
 
 export * from './native';
+export { default as Avatar } from './Avatar';

react/features/base/avatar/components/index.web.js

@@ -1,3 +1,4 @@
 // @flow
 
 export * from './web';
+export { default as Avatar } from './Avatar';

react/features/base/avatar/components/native/Avatar.js

@@ -1,106 +0,0 @@
-// @flow
-
-import React from 'react';
-import { Image, Text, View } from 'react-native';
-
-import { connect } from '../../../redux';
-import { type StyleType } from '../../../styles';
-
-import AbstractAvatar, {
-    _mapStateToProps,
-    type Props as AbstractProps,
-    DEFAULT_SIZE
-} from '../AbstractAvatar';
-
-import RemoteAvatar, { DEFAULT_AVATAR } from './RemoteAvatar';
-import styles from './styles';
-
-type Props = AbstractProps & {
-
-    /**
-     * External style of the component.
-     */
-    style?: StyleType
-}
-
-/**
- * Implements an avatar component that has 4 ways to render an avatar:
- *
- * - Based on an explicit avatar URI, if provided
- * - Gravatar, if there is any
- * - Based on initials generated from name or email
- * - Default avatar icon, if any of the above fails
- */
-class Avatar extends AbstractAvatar<Props> {
-
-    _onAvatarLoadError: () => void;
-
-    /**
-     * Implements {@code AbstractAvatar#_renderDefaultAvatar}.
-     *
-     * @inheritdoc
-     */
-    _renderDefaultAvatar() {
-        return this._wrapAvatar(
-            <Image
-                source = { DEFAULT_AVATAR }
-                style = { [
-                    styles.avatarContent(this.props.size || DEFAULT_SIZE),
-                    styles.staticAvatar
-                ] } />
-        );
-    }
-
-    /**
-     * Implements {@code AbstractAvatar#_renderGravatar}.
-     *
-     * @inheritdoc
-     */
-    _renderInitialsAvatar(initials, color) {
-        return this._wrapAvatar(
-            <View
-                style = { [
-                    styles.initialsContainer,
-                    {
-                        backgroundColor: color
-                    }
-                ] }>
-                <Text style = { styles.initialsText(this.props.size || DEFAULT_SIZE) }> { initials } </Text>
-            </View>
-        );
-    }
-
-    /**
-     * Implements {@code AbstractAvatar#_renderGravatar}.
-     *
-     * @inheritdoc
-     */
-    _renderURLAvatar(uri) {
-        return this._wrapAvatar(
-            <RemoteAvatar
-                onError = { this._onAvatarLoadError }
-                size = { this.props.size || DEFAULT_SIZE }
-                uri = { uri } />
-        );
-    }
-
-    /**
-     * Wraps an avatar into a common wrapper.
-     *
-     * @param {React#Component} avatar - The avatar component.
-     * @returns {React#Component}
-     */
-    _wrapAvatar(avatar) {
-        return (
-            <View
-                style = { [
-                    styles.avatarContainer(this.props.size || DEFAULT_SIZE),
-                    this.props.style
-                ] }>
-                { avatar }
-            </View>
-        );
-    }
-}
-
-export default connect(_mapStateToProps)(Avatar);

react/features/base/avatar/components/native/RemoteAvatar.js

@@ -1,50 +0,0 @@
-// @flow
-
-import React, { PureComponent } from 'react';
-import { Image } from 'react-native';
-
-import styles from './styles';
-
-export const DEFAULT_AVATAR = require('../../../../../../images/avatar.png');
-
-type Props = {
-
-    /**
-     * Callback for load errors.
-     */
-    onError: Function,
-
-    /**
-     * Size of the avatar.
-     */
-    size: number,
-
-    /**
-     * URI of the avatar to load.
-     */
-    uri: string
-};
-
-/**
- * Implements a private class that is used to fetch and render remote avatars based on an URI.
- */
-export default class RemoteAvatar extends PureComponent<Props> {
-
-    /**
-     * Implements {@code Component#render}.
-     *
-     * @inheritdoc
-     */
-    render() {
-        const { onError, size, uri } = this.props;
-
-        return (
-            <Image
-                defaultSource = { DEFAULT_AVATAR }
-                onError = { onError }
-                resizeMode = 'cover'
-                source = {{ uri }}
-                style = { styles.avatarContent(size) } />
-        );
-    }
-}

react/features/base/avatar/components/native/StatelessAvatar.js

@@ -0,0 +1,112 @@
+// @flow
+
+import React from 'react';
+import { Image, Text, View } from 'react-native';
+
+import { type StyleType } from '../../../styles';
+
+import AbstractStatelessAvatar, { type Props as AbstractProps } from '../AbstractStatelessAvatar';
+
+import styles from './styles';
+
+type Props = AbstractProps & {
+
+    /**
+     * External style passed to the componant.
+     */
+    style?: StyleType
+};
+
+const DEFAULT_AVATAR = require('../../../../../../images/avatar.png');
+
+/**
+ * Implements a stateless avatar component that renders an avatar purely from what gets passed through
+ * props.
+ */
+export default class StatelessAvatar extends AbstractStatelessAvatar<Props> {
+    /**
+     * Implements {@code Component#render}.
+     *
+     * @inheritdoc
+     */
+    render() {
+        const { initials, size, style, url } = this.props;
+
+        let avatar;
+
+        if (url) {
+            avatar = this._renderURLAvatar();
+        } else if (initials) {
+            avatar = this._renderInitialsAvatar();
+        } else {
+            avatar = this._renderDefaultAvatar();
+        }
+
+        return (
+            <View
+                style = { [
+                    styles.avatarContainer(size),
+                    style
+                ] }>
+                { avatar }
+            </View>
+        );
+    }
+
+    /**
+     * Renders the default avatar.
+     *
+     * @returns {React$Element<*>}
+     */
+    _renderDefaultAvatar() {
+        const { size } = this.props;
+
+        return (
+            <Image
+                source = { DEFAULT_AVATAR }
+                style = { [
+                    styles.avatarContent(size),
+                    styles.staticAvatar
+                ] } />
+        );
+    }
+
+    /**
+     * Renders the initials-based avatar.
+     *
+     * @returns {React$Element<*>}
+     */
+    _renderInitialsAvatar() {
+        const { color, initials, size } = this.props;
+
+        return (
+            <View
+                style = { [
+                    styles.initialsContainer,
+                    {
+                        backgroundColor: color
+                    }
+                ] }>
+                <Text style = { styles.initialsText(size) }> { initials } </Text>
+            </View>
+        );
+    }
+
+    /**
+     * Renders the url-based avatar.
+     *
+     * @returns {React$Element<*>}
+     */
+    _renderURLAvatar() {
+        const { onAvatarLoadError, size, url } = this.props;
+
+        return (
+            <Image
+                defaultSource = { DEFAULT_AVATAR }
+                onError = { onAvatarLoadError }
+                resizeMode = 'cover'
+                source = {{ uri: url }}
+                style = { styles.avatarContent(size) } />
+        );
+    }
+}

react/features/base/avatar/components/native/index.js

@@ -1,3 +1,3 @@
 // @flow
 
-export { default as Avatar } from './Avatar';
+export { default as StatelessAvatar } from './StatelessAvatar';

react/features/base/avatar/components/native/styles.js

@@ -2,12 +2,14 @@
 
 import { ColorPalette } from '../../../styles';
 
+const DEFAULT_SIZE = 65;
+
 /**
  * The styles of the feature base/participants.
  */
 export default {
 
-    avatarContainer: (size: number) => {
+    avatarContainer: (size: number = DEFAULT_SIZE) => {
         return {
             alignItems: 'center',
             borderRadius: size / 2,
@@ -18,7 +20,7 @@ export default {
         };
     },
 
-    avatarContent: (size: number) => {
+    avatarContent: (size: number = DEFAULT_SIZE) => {
         return {
             height: size,
             width: size
@@ -32,7 +34,7 @@ export default {
         justifyContent: 'center'
     },
 
-    initialsText: (size: number) => {
+    initialsText: (size: number = DEFAULT_SIZE) => {
         return {
             color: 'rgba(255, 255, 255, 0.6)',
             fontSize: size * 0.5,

react/features/base/avatar/components/web/Avatar.js

@@ -1,98 +0,0 @@
-// @flow
-
-import React from 'react';
-
-import { connect } from '../../../redux';
-
-import AbstractAvatar, {
-    _mapStateToProps,
-    type Props as AbstractProps
-} from '../AbstractAvatar';
-
-type Props = AbstractProps & {
-    className?: string,
-    id: string
-};
-
-/**
- * Implements an avatar as a React/Web {@link Component}.
- */
-class Avatar extends AbstractAvatar<Props> {
-    /**
-     * Constructs a style object to be used on the avatars.
-     *
-     * @param {string?} color - The desired background color.
-     * @returns {Object}
-     */
-    _getAvatarStyle(color) {
-        const { size } = this.props;
-
-        return {
-            backgroundColor: color || undefined,
-            fontSize: size ? size * 0.5 : '180%',
-            height: size || '100%',
-            width: size || '100%'
-        };
-    }
-
-    /**
-     * Constructs a list of class names required for the avatar component.
-     *
-     * @param {string} additional - Any additional class to add.
-     * @returns {string}
-     */
-    _getAvatarClassName(additional) {
-        return `avatar ${additional || ''} ${this.props.className || ''}`;
-    }
-
-    _onAvatarLoadError: () => void;
-
-    /**
-     * Implements {@code AbstractAvatar#_renderDefaultAvatar}.
-     *
-     * @inheritdoc
-     */
-    _renderDefaultAvatar() {
-        return (
-            <img
-                className = { this._getAvatarClassName('defaultAvatar') }
-                id = { this.props.id }
-                src = 'images/avatar.png'
-                style = { this._getAvatarStyle() } />
-        );
-    }
-
-    /**
-     * Implements {@code AbstractAvatar#_renderGravatar}.
-     *
-     * @inheritdoc
-     */
-    _renderInitialsAvatar(initials, color) {
-        return (
-            <div
-                className = { this._getAvatarClassName() }
-                id = { this.props.id }
-                style = { this._getAvatarStyle(color) }>
-                { initials }
-            </div>
-        );
-    }
-
-    /**
-     * Implements {@code AbstractAvatar#_renderGravatar}.
-     *
-     * @inheritdoc
-     */
-    _renderURLAvatar(uri) {
-        return (
-            <img
-                className = { this._getAvatarClassName() }
-                id = { this.props.id }
-                onError = { this._onAvatarLoadError }
-                src = { uri }
-                style = { this._getAvatarStyle() } />
-        );
-    }
-}
-
-export default connect(_mapStateToProps)(Avatar);

react/features/base/avatar/components/web/StatelessAvatar.js

@@ -0,0 +1,96 @@
+// @flow
+
+import React from 'react';
+
+import AbstractStatelessAvatar, { type Props as AbstractProps } from '../AbstractStatelessAvatar';
+
+type Props = AbstractProps & {
+
+    /**
+     * External class name passed through props.
+     */
+    className?: string,
+
+    /**
+     * The default avatar URL if we want to override the app bundled one (e.g. AlwaysOnTop)
+     */
+    defaultAvatar?: string,
+
+    /**
+     * ID of the component to be rendered.
+     */
+    id?: string
+};
+
+/**
+ * Implements a stateless avatar component that renders an avatar purely from what gets passed through
+ * props.
+ */
+export default class StatelessAvatar extends AbstractStatelessAvatar<Props> {
+    /**
+     * Implements {@code Component#render}.
+     *
+     * @inheritdoc
+     */
+    render() {
+        const { initials, url } = this.props;
+
+        if (url) {
+            return (
+                <img
+                    className = { this._getAvatarClassName() }
+                    id = { this.props.id }
+                    onError = { this.props.onAvatarLoadError }
+                    src = { url }
+                    style = { this._getAvatarStyle() } />
+            );
+        }
+
+        if (initials) {
+            return (
+                <div
+                    className = { this._getAvatarClassName() }
+                    id = { this.props.id }
+                    style = { this._getAvatarStyle(this.props.color) }>
+                    { initials }
+                </div>
+            );
+        }
+
+        // default avatar
+        return (
+            <img
+                className = { this._getAvatarClassName('defaultAvatar') }
+                id = { this.props.id }
+                src = { this.props.defaultAvatar || 'images/avatar.png' }
+                style = { this._getAvatarStyle() } />
+        );
+    }
+
+    /**
+     * Constructs a style object to be used on the avatars.
+     *
+     * @param {string?} color - The desired background color.
+     * @returns {Object}
+     */
+    _getAvatarStyle(color) {
+        const { size } = this.props;
+
+        return {
+            backgroundColor: color || undefined,
+            fontSize: size ? size * 0.5 : '180%',
+            height: size || '100%',
+            width: size || '100%'
+        };
+    }
+
+    /**
+     * Constructs a list of class names required for the avatar component.
+     *
+     * @param {string} additional - Any additional class to add.
+     * @returns {string}
+     */
+    _getAvatarClassName(additional) {
+        return `avatar ${additional || ''} ${this.props.className || ''}`;
+    }
+}

react/features/base/avatar/components/web/index.js

@@ -1,3 +1,3 @@
 // @flow
 
-export { default as Avatar } from './Avatar';
+export { default as StatelessAvatar } from './StatelessAvatar';

react/features/base/avatar/index.js

@@ -1,3 +1,4 @@
 // @flow
 
 export * from './components';
+export * from './functions';

react/features/base/react/components/native/AvatarListItem.js

@@ -91,7 +91,7 @@ export default class AvatarListItem extends Component<Props> {
                     displayName = { title }
                     size = { avatarSize }
                     style = { avatarStyle }
-                    uri = { avatar } />
+                    url = { avatar } />
                 <Container style = { styles.listItemDetails }>
                     <Text
                         numberOfLines = { 1 }

react/features/base/util/helpers.js

@@ -18,6 +18,25 @@ export function createDeferred(): Object {
     return deferred;
 }
 
+/**
+ * Returns the base URL of the app.
+ *
+ * @param {Object} w - Window object to use instead of the built in one.
+ * @returns {string}
+ */
+export function getBaseUrl(w: Object = window) {
+    const doc = w.document;
+    const base = doc.querySelector('base');
+
+    if (base && base.href) {
+        return base.href;
+    }
+
+    const { protocol, host } = w.location;
+
+    return `${protocol}//${host}`;
+}
+
 /**
  * Returns the namespace for all global variables, functions, etc that we need.
  *

react/features/external-api/middleware.js

@@ -10,11 +10,11 @@ import { JitsiConferenceErrors } from '../base/lib-jitsi-meet';
 import {
     PARTICIPANT_KICKED,
     SET_LOADABLE_AVATAR_URL,
-    getAvatarURLByParticipantId,
     getLocalParticipant,
     getParticipantById
 } from '../base/participants';
 import { MiddlewareRegistry } from '../base/redux';
+import { getBaseUrl } from '../base/util';
 import { appendSuffix } from '../display-name';
 import { SUBMIT_FEEDBACK } from '../feedback';
 import { SET_FILMSTRIP_VISIBLE } from '../filmstrip';
@@ -39,11 +39,26 @@ MiddlewareRegistry.register(store => next => action => {
 
         const result = next(action);
 
-        if (participant && (participant.loadableAvatarUrl !== loadableAvatarUrl)) {
-            APP.API.notifyAvatarChanged(
-                id,
-                loadableAvatarUrl
-            );
+        if (participant) {
+            if (loadableAvatarUrl) {
+                participant.loadableAvatarUrl !== loadableAvatarUrl && APP.API.notifyAvatarChanged(
+                    id,
+                    loadableAvatarUrl
+                );
+            } else {
+                // There is no loadable explicit URL. In this case the Avatar component would
+                // decide to render initials or the default avatar, but the external API needs
+                // a URL when it needs to be rendered, so if there is no initials, we return the default
+                // Avatar URL as if it was a usual avatar URL. If there are (or may be) initials
+                // we send undefined to signal the api user that it's not an URL that needs to be rendered.
+                //
+                // NOTE: we may implement a special URL format later to signal that the avatar is based
+                // on initials, that API consumers can handle as they want, e.g. initials://jm
+                APP.API.notifyAvatarChanged(
+                    id,
+                    participant.name ? undefined : _getDefaultAvatarUrl()
+                );
+            }
         }
 
         return result;
@@ -65,7 +80,7 @@ MiddlewareRegistry.register(store => next => action => {
     case CONFERENCE_JOINED: {
         const state = store.getState();
         const { room } = state['features/base/conference'];
-        const { name, id } = getLocalParticipant(state);
+        const { loadableAvatarUrl, name, id } = getLocalParticipant(state);
 
         APP.API.notifyConferenceJoined(
             room,
@@ -76,7 +91,7 @@ MiddlewareRegistry.register(store => next => action => {
                     name,
                     interfaceConfig.DEFAULT_LOCAL_DISPLAY_NAME
                 ),
-                avatarURL: getAvatarURLByParticipantId(state, id)
+                avatarURL: loadableAvatarUrl
             }
         );
         break;
@@ -125,3 +140,12 @@ MiddlewareRegistry.register(store => next => action => {
 
     return result;
 });
+
+/**
+ * Returns the absolute URL of the default avatar.
+ *
+ * @returns {string}
+ */
+function _getDefaultAvatarUrl() {
+    return new URL('images/avatar.png', getBaseUrl()).href;
+}

react/features/mobile/incoming-call/components/IncomingCallPage.js

@@ -130,7 +130,7 @@ class IncomingCallPage extends Component<Props> {
                 <View style = { styles.avatar }>
                     <Avatar
                         size = { CALLER_AVATAR_SIZE }
-                        uri = { this.props._callerAvatarURL } />
+                        url = { this.props._callerAvatarURL } />
                 </View>
             </View>
         );