[RN] Add UI for raised hand feature

modules/UI/videolayout/SmallVideo.js

     }
 
     ReactDOM.render(
+        <Provider store = { APP.store }>
             <I18nextProvider i18n = { i18next }>
                 <div>
                     <AtlasKitThemeProvider mode = 'dark'>
                         { this._showRaisedHand
                             ? <RaisedHandIndicator
                                 iconSize = { iconSize }
+                                participantId = { this.id }
                                 tooltipPosition = { tooltipPosition } />
                             : null }
                         { this._showDominantSpeaker
                             : null }
                     </AtlasKitThemeProvider>
                 </div>
-            </I18nextProvider>,
+            </I18nextProvider>
+        </Provider>,
         indicatorToolbar
     );
 };

react/features/filmstrip/components/AbstractRaisedHandIndicator.js

+// @flow
+
+import { Component } from 'react';
+
+import { getParticipantById } from '../../base/participants';
+
+export type Props = {
+
+    /**
+     * The participant id who we want to render the raised hand indicator
+     * for.
+     */
+    participantId: string,
+
+    /**
+     * True if the hand is raised for this participant.
+     */
+    _raisedHand: boolean
+}
+
+/**
+ * Implements an abstract class for the RaisedHandIndicator component.
+ */
+export default class AbstractRaisedHandIndicator<P: Props>
+    extends Component<P> {
+
+}
+
+/**
+ * Maps part of the Redux state to the props of this component.
+ *
+ * @param {Object} state - The Redux state.
+ * @param {Props} ownProps - The own props of the component.
+ * @returns {Object}
+ */
+export function _mapStateToProps(state: Object, ownProps: Props): Object {
+    const participant = getParticipantById(state, ownProps.participantId);
+
+    return {
+        _raisedHand: participant && participant.raisedHand
+    };
+}

react/features/filmstrip/components/native/DominantSpeakerIndicator.js

+// @flow
+
 import React, { Component } from 'react';
 import { View } from 'react-native';
 
  * Thumbnail badge showing that the participant is the dominant speaker in
  * the conference.
  */
-export default class DominantSpeakerIndicator extends Component {
+export default class DominantSpeakerIndicator extends Component<{}> {
     /**
      * Implements React's {@link Component#render()}.
      *
      */
     render() {
         return (
-            <View style = { styles.dominantSpeakerIndicatorBackground }>
+            <View style = { styles.indicatorBackground }>
                 <Icon
                     name = 'dominant-speaker'
-                    style = { styles.dominantSpeakerIndicator } />
+                    style = { styles.indicator } />
             </View>
         );
     }

react/features/filmstrip/components/native/LocalThumbnail.js

 import { getLocalParticipant } from '../../../base/participants';
 import { connect } from '../../../base/redux';
 
-import styles from '../styles';
+import styles from './styles';
 import Thumbnail from './Thumbnail';
 
 type Props = {

react/features/filmstrip/components/native/RaisedHandIndicator.js

+/* @flow */
+
+import React from 'react';
+import { View } from 'react-native';
+
+import { Icon } from '../../../base/font-icons';
+import { connect } from '../../../base/redux';
+
+import AbstractRaisedHandIndicator, {
+    type Props,
+    _mapStateToProps
+} from '../AbstractRaisedHandIndicator';
+
+import styles from './styles';
+
+/**
+ * Thumbnail badge showing that the participant would like to speak.
+ *
+ * @extends Component
+ */
+class RaisedHandIndicator extends AbstractRaisedHandIndicator<Props> {
+    /**
+     * Implements React's {@link Component#render()}.
+     *
+     * @inheritdoc
+     */
+    render() {
+        if (!this.props._raisedHand) {
+            return null;
+        }
+
+        return (
+            <View style = { styles.indicatorBackground }>
+                <Icon
+                    name = 'raised-hand'
+                    style = { styles.indicator } />
+            </View>
+        );
+    }
+}
+
+export default connect(_mapStateToProps)(RaisedHandIndicator);

react/features/filmstrip/components/native/Thumbnail.js

 import AudioMutedIndicator from './AudioMutedIndicator';
 import DominantSpeakerIndicator from './DominantSpeakerIndicator';
 import ModeratorIndicator from './ModeratorIndicator';
-import { AVATAR_SIZE } from '../styles';
-import styles from './styles';
+import RaisedHandIndicator from './RaisedHandIndicator';
+import styles, { AVATAR_SIZE } from './styles';
 import VideoMutedIndicator from './VideoMutedIndicator';
 
 /**
                 { participant.dominantSpeaker
                     && <DominantSpeakerIndicator /> }
 
+                <RaisedHandIndicator participantId = { participant.id } />
+
                 <Container style = { styles.thumbnailIndicatorContainer }>
                     { audioMuted
                         && <AudioMutedIndicator /> }

react/features/filmstrip/components/native/styles.js

-import { ColorPalette, createStyleSheet } from '../../../base/styles';
+// @flow
 
-import { default as platformIndependentStyles } from '../styles';
+import { ColorSchemeRegistry, schemeColor } from '../../../base/color-scheme';
+import { ColorPalette } from '../../../base/styles';
+
+import { FILMSTRIP_SIZE } from '../../constants';
+
+/**
+ * Size for the Avatar.
+ */
+export const AVATAR_SIZE = 50;
 
 /**
  * The base/default style of indicators such as audioMutedIndicator,
 /**
  * The styles of the feature filmstrip.
  */
-export default createStyleSheet(platformIndependentStyles, {
-    dominantSpeakerIndicator: {
+export default {
+    /**
+     * Dominant speaker indicator style.
+     */
+    indicator: {
+        color: ColorPalette.white,
         fontSize: 12
     },
 
     /**
      * Dominant speaker indicator background style.
      */
-    dominantSpeakerIndicatorBackground: {
+    indicatorBackground: {
+        backgroundColor: ColorPalette.blue,
         borderRadius: 16,
-        padding: 4
+        left: 4,
+        padding: 4,
+        position: 'absolute',
+        top: 4
+    },
+
+    /**
+     * The style of the narrow {@link Filmstrip} version which displays
+     * thumbnails in a row at the bottom of the screen.
+     */
+    filmstripNarrow: {
+        flexDirection: 'row',
+        flexGrow: 0,
+        justifyContent: 'flex-end',
+        height: FILMSTRIP_SIZE
+    },
+
+    /**
+     * The style of the wide {@link Filmstrip} version which displays thumbnails
+     * in a column on the short size of the screen.
+     *
+     * NOTE: width is calculated based on the children, but it should also align
+     * to {@code FILMSTRIP_SIZE}.
+     */
+    filmstripWide: {
+        bottom: 0,
+        flexDirection: 'column',
+        flexGrow: 0,
+        position: 'absolute',
+        right: 0,
+        top: 0
+    },
+
+    /**
+     * Container of the {@link LocalThumbnail}.
+     */
+    localThumbnail: {
+        alignContent: 'stretch',
+        alignSelf: 'stretch',
+        aspectRatio: 1,
+        flexShrink: 0,
+        flexDirection: 'row'
     },
 
     /**
      * Moderator indicator style.
      */
-    moderatorIndicator: indicator,
+    moderatorIndicator: {
+        backgroundColor: 'transparent',
+        bottom: 4,
+        color: ColorPalette.white,
+        position: 'absolute',
+        right: 4,
+        ...indicator
+    },
+
+    /**
+     * The style of the scrollview containing the remote thumbnails.
+     */
+    scrollView: {
+        flexGrow: 0
+    },
 
     /**
-     * Video thumbnail style.
+     * The style of a participant's Thumbnail which renders either the video or
+     * the avatar of the associated participant.
      */
     thumbnail: {
+        alignItems: 'stretch',
+        backgroundColor: ColorPalette.appBackground,
+        borderColor: '#424242',
+        borderRadius: 3,
+        borderStyle: 'solid',
+        borderWidth: 1,
+        flex: 1,
         height: 80,
+        justifyContent: 'center',
+        margin: 2,
+        overflow: 'hidden',
+        position: 'relative',
         width: 80
     },
 
     /**
-     * Audio muted indicator style.
+     * The thumbnail audio and video muted indicator style.
+     */
+    thumbnailIndicator: {
+        backgroundColor: 'transparent',
+        color: ColorPalette.white,
+        paddingLeft: 1,
+        paddingRight: 1,
+        position: 'relative',
+        ...indicator
+    },
+
+    /**
+     * The thumbnails indicator container.
      */
-    thumbnailIndicator: indicator
+    thumbnailIndicatorContainer: {
+        alignSelf: 'stretch',
+        bottom: 4,
+        flex: 1,
+        flexDirection: 'row',
+        left: 4,
+        position: 'absolute'
+    },
+
+    tileView: {
+        alignSelf: 'center'
+    },
+
+    tileViewRows: {
+        justifyContent: 'center'
+    },
+
+    tileViewRow: {
+        flexDirection: 'row',
+        justifyContent: 'center'
+    }
+};
+
+/**
+ * Color schemed styles for the @{code Thumbnail} component.
+ */
+ColorSchemeRegistry.register('Thumbnail', {
+
+    /**
+     * Tinting style of the on-stage participant thumbnail.
+     */
+    activeThumbnailTint: {
+        backgroundColor: schemeColor('activeParticipantTint')
+    },
+
+    /**
+     * Coloring if the thumbnail background.
+     */
+    participantViewStyle: {
+        backgroundColor: schemeColor('background')
+    },
+
+    /**
+     * Pinned video thumbnail style.
+     */
+    thumbnailPinned: {
+        borderColor: schemeColor('activeParticipantHighlight'),
+        shadowColor: schemeColor('activeParticipantHighlight'),
+        shadowOffset: {
+            height: 5,
+            width: 5
+        },
+        shadowRadius: 5
+    }
 });

react/features/filmstrip/components/styles.js

-// @flow
-
-import { ColorSchemeRegistry, schemeColor } from '../../base/color-scheme';
-import { ColorPalette } from '../../base/styles';
-import { FILMSTRIP_SIZE } from '../constants';
-
-/**
- * Size for the Avatar.
- */
-export const AVATAR_SIZE = 50;
-
-/**
- * The base style of {@link Filmstrip} shared between narrow and wide versions.
- */
-const filmstrip = {
-    flexGrow: 0
-};
-
-/**
- * The styles of the feature filmstrip common to both Web and native.
- */
-export default {
-    /**
-     * Dominant speaker indicator style.
-     */
-    dominantSpeakerIndicator: {
-        color: ColorPalette.white,
-        fontSize: 15
-    },
-
-    /**
-     * Dominant speaker indicator background style.
-     */
-    dominantSpeakerIndicatorBackground: {
-        backgroundColor: ColorPalette.blue,
-        borderRadius: 15,
-        left: 4,
-        padding: 5,
-        position: 'absolute',
-        top: 4
-    },
-
-    /**
-     * The style of the narrow {@link Filmstrip} version which displays
-     * thumbnails in a row at the bottom of the screen.
-     */
-    filmstripNarrow: {
-        ...filmstrip,
-        flexDirection: 'row',
-        justifyContent: 'flex-end',
-        height: FILMSTRIP_SIZE
-    },
-
-    /**
-     * The style of the wide {@link Filmstrip} version which displays thumbnails
-     * in a column on the short size of the screen.
-     *
-     * NOTE: width is calculated based on the children, but it should also align
-     * to {@code FILMSTRIP_SIZE}.
-     */
-    filmstripWide: {
-        ...filmstrip,
-        bottom: 0,
-        flexDirection: 'column',
-        position: 'absolute',
-        right: 0,
-        top: 0
-    },
-
-    /**
-     * Container of the {@link LocalThumbnail}.
-     */
-    localThumbnail: {
-        alignContent: 'stretch',
-        alignSelf: 'stretch',
-        aspectRatio: 1,
-        flexShrink: 0,
-        flexDirection: 'row'
-    },
-
-    /**
-     * Moderator indicator style.
-     */
-    moderatorIndicator: {
-        backgroundColor: 'transparent',
-        bottom: 4,
-        color: ColorPalette.white,
-        position: 'absolute',
-        right: 4
-    },
-
-    /**
-     * The style of the scrollview containing the remote thumbnails.
-     */
-    scrollView: {
-        flexGrow: 0
-    },
-
-    /**
-     * The style of a participant's Thumbnail which renders either the video or
-     * the avatar of the associated participant.
-     */
-    thumbnail: {
-        alignItems: 'stretch',
-        backgroundColor: ColorPalette.appBackground,
-        borderColor: '#424242',
-        borderRadius: 3,
-        borderStyle: 'solid',
-        borderWidth: 1,
-        flex: 1,
-        justifyContent: 'center',
-        margin: 2,
-        overflow: 'hidden',
-        position: 'relative'
-    },
-
-    /**
-     * The thumbnail audio and video muted indicator style.
-     */
-    thumbnailIndicator: {
-        backgroundColor: 'transparent',
-        color: ColorPalette.white,
-        paddingLeft: 1,
-        paddingRight: 1,
-        position: 'relative'
-    },
-
-    /**
-     * The thumbnails indicator container.
-     */
-    thumbnailIndicatorContainer: {
-        alignSelf: 'stretch',
-        bottom: 4,
-        flex: 1,
-        flexDirection: 'row',
-        left: 4,
-        position: 'absolute'
-    },
-
-    tileView: {
-        alignSelf: 'center'
-    },
-
-    tileViewRows: {
-        justifyContent: 'center'
-    },
-
-    tileViewRow: {
-        flexDirection: 'row',
-        justifyContent: 'center'
-    }
-};
-
-/**
- * Color schemed styles for the @{code Thumbnail} component.
- */
-ColorSchemeRegistry.register('Thumbnail', {
-
-    /**
-     * Tinting style of the on-stage participant thumbnail.
-     */
-    activeThumbnailTint: {
-        backgroundColor: schemeColor('activeParticipantTint')
-    },
-
-    /**
-     * Coloring if the thumbnail background.
-     */
-    participantViewStyle: {
-        backgroundColor: schemeColor('background')
-    },
-
-    /**
-     * Pinned video thumbnail style.
-     */
-    thumbnailPinned: {
-        borderColor: schemeColor('activeParticipantHighlight'),
-        shadowColor: schemeColor('activeParticipantHighlight'),
-        shadowOffset: {
-            height: 5,
-            width: 5
-        },
-        shadowRadius: 5
-    }
-});

react/features/filmstrip/components/web/RaisedHandIndicator.js

 /* @flow */
 
-import React, { Component } from 'react';
+import React from 'react';
+
+import { connect } from '../../../base/redux';
+
+import AbstractRaisedHandIndicator, {
+    type Props as AbstractProps,
+    _mapStateToProps
+} from '../AbstractRaisedHandIndicator';
 
 import BaseIndicator from './BaseIndicator';
 
 /**
  * The type of the React {@code Component} props of {@link RaisedHandIndicator}.
  */
-type Props = {
+type Props = AbstractProps & {
 
     /**
      * The font-size for the icon.
  *
  * @extends Component
  */
-class RaisedHandIndicator extends Component<Props> {
+class RaisedHandIndicator extends AbstractRaisedHandIndicator<Props> {
     /**
      * Implements React's {@link Component#render()}.
      *
      * @inheritdoc
      */
     render() {
+        if (!this.props._raisedHand) {
+            return null;
+        }
+
         return (
             <BaseIndicator
                 className = 'raisehandindicator indicator show-inline'
     }
 }
 
-export default RaisedHandIndicator;
+export default connect(_mapStateToProps)(RaisedHandIndicator);