ref(Filmstrip): Optimize resizes. (#4992)

* ref(Filmstrip): Optimize resizes.

* fix(thumbnails): resize.

* fix(thumbnails): Issue with height 0, width 0.

* doc(Filmstrip): Improve JSDoc.

css/_utils.scss

@@ -31,13 +31,6 @@
     display: inline-block !important;
 }
 
-/**
-* Shows as a list item
-**/
-.show-list-item {
-    display: list-item !important;
-}
-
 /**
  * Shows a flex element.
  */

css/_videolayout_default.scss

@@ -173,7 +173,9 @@
     &__hoverOverlay {
         background: rgba(0,0,0,.6);
         border-radius: $borderRadius;
-        position: relative;
+        position: absolute;
+        top: 0px;
+        left: 0px;
         width: 100%;
         height: 100%;
         visibility: hidden;
@@ -526,13 +528,16 @@
     display: flex;
     justify-content: center;
     height: 50%;
-    overflow: hidden;
     width: auto;
+    overflow: hidden;
 
     .userAvatar {
         height: 100%;
         object-fit: cover;
         width: 100%;
+        top: 0px;
+        left: 0px;
+        position: absolute;
     }
 }
 
@@ -555,6 +560,9 @@
 }
 
 .sharedVideoAvatar {
+    position: absolute;
+    left: 0px;
+    top: 0px;
     height: 100%;
     width: 100%;
     object-fit: cover;

css/filmstrip/_horizontal_filmstrip.scss

@@ -55,6 +55,7 @@
         &#filmstripLocalVideo {
             align-self: flex-end;
             display: block;
+            margin-bottom: 8px;
         }
 
         &.hidden {
@@ -108,6 +109,7 @@
              */
             padding: 1px 0;
             overflow-y: hidden;
+            overflow-x: scroll;
         }
     }
 

css/filmstrip/_small_video.scss

@@ -1,5 +1,5 @@
 .filmstrip__videos .videocontainer {
-    display: none;
+    display: inline-block;
     position: relative;
     background-size: contain;
     border: $thumbnailVideoBorder solid transparent;

css/filmstrip/_vertical_filmstrip.scss

@@ -25,6 +25,7 @@
     display: flex;
     flex-direction: column-reverse;
     height: 100%;
+    width: 100%;
     padding: ($desktopAppDragBarHeight - 5px) 5px 10px;
     /**
      * fixed positioning is necessary for remote menus and tooltips to pop
@@ -48,7 +49,6 @@
     .filmstrip__videos {
         @extend %align-right;
         bottom: 0;
-        overflow: visible !important;
         padding: 0;
         position:relative;
         right: 0;
@@ -67,6 +67,7 @@
             border: $thumbnailsBorder solid transparent;
             padding-left: 0;
             transition: right 2s;
+            width: 100%;
         }
     }
 
@@ -80,6 +81,16 @@
         flex-direction: column-reverse;
         height: auto;
         justify-content: flex-start;
+
+        #filmstripLocalVideoThumbnail {
+            width: calc(100% - 15px);
+
+            .videocontainer {
+                height: 0px;
+                width: 100%;
+    }
+        }
+
     }
 
     /**
@@ -96,18 +107,21 @@
 
         display: flex;
         flex: 1;
-        flex-direction: column;
+        flex-direction: column-reverse;
         height: auto;
-        justify-content: flex-end;
+        overflow-x: hidden;
+        overflow-y: scroll;
 
         #filmstripRemoteVideosContainer {
+            @include minHWAutoFix();
             flex-direction: column-reverse;
-            /**
-             * Add padding as a hack for Firefox not to show scrollbars when
-             * unnecessary.
-             */
-            padding: 1px 0;
-            overflow-x: hidden;
+            overflow: visible;
+            width: calc(100% - 8px); // 8px for margin + border of the thumbnails
+
+            .videocontainer {
+                height: 0px;
+                width: 100%;
+            }
         }
     }
 
@@ -160,9 +174,24 @@
     }
 }
 
+/**
+ * FF does not include the scroll width when calculating the size of the content. That's why we need to include
+ * ourselves the width of the scroll so that the remote videos are aligned with the local one.
+ */
+@mixin filmstripSizeWithoutScroll {
+    .vertical-filmstrip {
+        #remoteVideos #filmstripRemoteVideos {
+            #filmstripRemoteVideosContainer {
+                width: calc(100% - 15px) // 8 px - margins + border of the thumbnails; 7px - for the scroll
+            }
+        }
+    }
+}
+
 /** Firefox detection hack **/
 @-moz-document url-prefix() {
     @include undoColumnReverseVideos();
+    @include filmstripSizeWithoutScroll();
 }
 
 /** Edge detection hack **/

css/filmstrip/_vertical_filmstrip_overrides.scss

@@ -56,6 +56,10 @@
         transform: translate3d(0, 0, 0);
     }
 
+    .indicator-icon-container {
+        display: inline-block;
+    }
+
     .indicator-container {
         float: none;
     }

modules/UI/UI.js

@@ -11,7 +11,6 @@ import EtherpadManager from './etherpad/Etherpad';
 import SharedVideoManager from './shared_video/SharedVideo';
 
 import VideoLayout from './videolayout/VideoLayout';
-import Filmstrip from './videolayout/Filmstrip';
 
 import { getLocalParticipant } from '../../react/features/base/participants';
 import { toggleChat } from '../../react/features/chat';
@@ -158,8 +157,6 @@ UI.start = function() {
     // Set the defaults for prompt dialogs.
     $.prompt.setDefaults({ persistent: false });
 
-    Filmstrip.init(eventEmitter);
-
     VideoLayout.init(eventEmitter);
     if (!interfaceConfig.filmStripOnly) {
         VideoLayout.initLargeVideo();
@@ -202,7 +199,7 @@ UI.bindEvents = () => {
      *
      */
     function onResize() {
-        VideoLayout.resizeVideoArea();
+        VideoLayout.onResize();
     }
 
     // Resize and reposition videos in full screen mode.
@@ -353,12 +350,6 @@ UI.toggleFilmstrip = function() {
     APP.store.dispatch(setFilmstripVisible(!visible));
 };
 
-/**
- * Checks if the filmstrip is currently visible or not.
- * @returns {true} if the filmstrip is currently visible, and false otherwise.
- */
-UI.isFilmstripVisible = () => Filmstrip.isFilmstripVisible();
-
 /**
  * Toggles the visibility of the chat panel.
  */

modules/UI/shared_video/SharedVideoThumb.js

@@ -17,17 +17,16 @@ export default class SharedVideoThumb extends SmallVideo {
     constructor(participant, videoType, VideoLayout) {
         super(VideoLayout);
         this.id = participant.id;
-
+        this.isLocal = false;
         this.url = participant.id;
         this.setVideoType(videoType);
         this.videoSpanId = 'sharedVideoContainer';
         this.container = this.createContainer(this.videoSpanId);
         this.$container = $(this.container);
-
+        this._setThumbnailSize();
         this.bindHoverHandler();
         this.isVideoMuted = true;
         this.updateDisplayName();
-
         this.container.onclick = this._onContainerClick;
     }
 

modules/UI/util/UIUtil.js

@@ -1,22 +1,4 @@
-/* global $, interfaceConfig */
-
-/**
- * Associates the default display type with corresponding CSS class
- */
-const SHOW_CLASSES = {
-    'block': 'show',
-    'inline': 'show-inline',
-    'list-item': 'show-list-item'
-};
-
-/**
- * Contains sizes of thumbnails
- * @type {{SMALL: number, MEDIUM: number}}
- */
-const ThumbnailSizes = {
-    SMALL: 60,
-    MEDIUM: 80
-};
+/* global $ */
 
 /**
  * Created by hristo on 12/22/14.
@@ -30,32 +12,6 @@ const UIUtil = {
         return window.innerWidth;
     },
 
-    /**
-     * Changes the style class of the element given by id.
-     */
-    buttonClick(id, classname) {
-        // add the class to the clicked element
-        $(`#${id}`).toggleClass(classname);
-    },
-
-    /**
-     * Returns the text width for the given element.
-     *
-     * @param el the element
-     */
-    getTextWidth(el) {
-        return el.clientWidth + 1;
-    },
-
-    /**
-     * Returns the text height for the given element.
-     *
-     * @param el the element
-     */
-    getTextHeight(el) {
-        return el.clientHeight + 1;
-    },
-
     /**
      * Escapes the given text.
      */
@@ -64,27 +20,6 @@ const UIUtil = {
             .html();
     },
 
-    imageToGrayScale(canvas) {
-        const context = canvas.getContext('2d');
-        const imgData = context.getImageData(0, 0, canvas.width, canvas.height);
-        const pixels = imgData.data;
-
-        for (let i = 0, n = pixels.length; i < n; i += 4) {
-            const grayscale
-                = (pixels[i] * 0.3)
-                    + (pixels[i + 1] * 0.59)
-                    + (pixels[i + 2] * 0.11);
-
-            pixels[i] = grayscale; // red
-            pixels[i + 1] = grayscale; // green
-            pixels[i + 2] = grayscale; // blue
-            // pixels[i+3]              is alpha
-        }
-
-        // redraw the image in black & white
-        context.putImageData(imgData, 0, 0);
-    },
-
     /**
      * Inserts given child element as the first one into the container.
      * @param container the container to which new child element will be added
@@ -100,81 +35,6 @@ const UIUtil = {
         }
     },
 
-    /**
-     * Indicates if Authentication Section should be shown
-     *
-     * @returns {boolean}
-     */
-    isAuthenticationEnabled() {
-        return interfaceConfig.AUTHENTICATION_ENABLE;
-    },
-
-    /**
-     * Shows / hides the element given by id.
-     *
-     * @param {string|HTMLElement} idOrElement the identifier or the element
-     *        to show/hide
-     * @param {boolean} show <tt>true</tt> to show or <tt>false</tt> to hide
-     */
-    setVisible(id, visible) {
-        let element;
-
-        if (id instanceof HTMLElement) {
-            element = id;
-        } else {
-            element = document.getElementById(id);
-        }
-
-        if (!element) {
-            return;
-        }
-
-        if (!visible) {
-            element.classList.add('hide');
-        } else if (element.classList.contains('hide')) {
-            element.classList.remove('hide');
-        }
-
-        const type = this._getElementDefaultDisplay(element.tagName);
-        const className = SHOW_CLASSES[type];
-
-        if (visible) {
-            element.classList.add(className);
-        } else if (element.classList.contains(className)) {
-            element.classList.remove(className);
-        }
-    },
-
-    /**
-     * Returns default display style for the tag
-     * @param tag
-     * @returns {*}
-     * @private
-     */
-    _getElementDefaultDisplay(tag) {
-        const tempElement = document.createElement(tag);
-
-        document.body.appendChild(tempElement);
-        const style = window.getComputedStyle(tempElement).display;
-
-        document.body.removeChild(tempElement);
-
-        return style;
-    },
-
-    /**
-     * Shows / hides the element with the given jQuery selector.
-     *
-     * @param {jQuery} jquerySelector the jQuery selector of the element to
-     * show / shide
-     * @param {boolean} isVisible
-     */
-    setVisibleBySelector(jquerySelector, isVisible) {
-        if (jquerySelector && jquerySelector.length > 0) {
-            jquerySelector.css('visibility', isVisible ? 'visible' : 'hidden');
-        }
-    },
-
     /**
      * Redirects to a given URL.
      *
@@ -200,17 +60,6 @@ const UIUtil = {
             || document.msFullscreenElement);
     },
 
-    /**
-      * Create html attributes string out of object properties.
-      * @param {Object} attrs object with properties
-      * @returns {String} string of html element attributes
-      */
-    attrsToString(attrs) {
-        return (
-            Object.keys(attrs).map(key => ` ${key}="${attrs[key]}"`)
-.join(' '));
-    },
-
     /**
      * Checks if the given DOM element is currently visible. The offsetParent
      * will be null if the "display" property of the element or any of its
@@ -220,100 +69,6 @@ const UIUtil = {
      */
     isVisible(el) {
         return el.offsetParent !== null;
-    },
-
-    /**
-     * Shows / hides the element given by {selector} and sets a timeout if the
-     * {hideDelay} is set to a value > 0.
-     * @param selector the jquery selector of the element to show/hide.
-     * @param show a {boolean} that indicates if the element should be shown or
-     * hidden
-     * @param hideDelay the value in milliseconds to wait before hiding the
-     * element
-     */
-    animateShowElement(selector, show, hideDelay) {
-        if (show) {
-            if (!selector.is(':visible')) {
-                selector.css('display', 'inline-block');
-            }
-
-            selector.fadeIn(300,
-                () => {
-                    selector.css({ opacity: 1 });
-                }
-            );
-
-            if (hideDelay && hideDelay > 0) {
-                setTimeout(
-                    () => {
-                        selector.fadeOut(
-                            300,
-                            () => {
-                                selector.css({ opacity: 0 });
-                            });
-                    },
-                    hideDelay);
-            }
-        } else {
-            selector.fadeOut(300,
-                () => {
-                    selector.css({ opacity: 0 });
-                }
-            );
-        }
-    },
-
-    /**
-     * Parses the given cssValue as an Integer. If the value is not a number
-     * we return 0 instead of NaN.
-     * @param cssValue the string value we obtain when querying css properties
-     */
-    parseCssInt(cssValue) {
-        return parseInt(cssValue, 10) || 0;
-    },
-
-    /**
-     * Adds href value to 'a' link jquery object. If link value is null,
-     * undefined or empty string, disables the link.
-     * @param {object} aLinkElement the jquery object
-     * @param {string} link the link value
-     */
-    setLinkHref(aLinkElement, link) {
-        if (link) {
-            aLinkElement.attr('href', link);
-        } else {
-            aLinkElement.css({
-                'pointer-events': 'none',
-                'cursor': 'default'
-            });
-        }
-    },
-
-    /**
-     * Returns font size for indicators according to current
-     * height of thumbnail
-     * @param {Number} [thumbnailHeight] - current height of thumbnail
-     * @returns {Number} - font size for current height
-     */
-    getIndicatorFontSize(thumbnailHeight) {
-        const height = typeof thumbnailHeight === 'undefined'
-            ? $('#localVideoContainer').height() : thumbnailHeight;
-
-        const { SMALL, MEDIUM } = ThumbnailSizes;
-        const IndicatorFontSizes = interfaceConfig.INDICATOR_FONT_SIZES || {
-            SMALL: 5,
-            MEDIUM: 6,
-            NORMAL: 8
-        };
-        let fontSize = IndicatorFontSizes.NORMAL;
-
-        if (height <= SMALL) {
-            fontSize = IndicatorFontSizes.SMALL;
-        } else if (height > SMALL && height <= MEDIUM) {
-            fontSize = IndicatorFontSizes.MEDIUM;
-        }
-
-        return fontSize;
     }
 };
 

modules/UI/videolayout/Filmstrip.js

@@ -1,33 +1,8 @@
 /* global $, APP, interfaceConfig */
 
-import {
-    LAYOUTS,
-    getCurrentLayout,
-    getMaxColumnCount,
-    getTileViewGridDimensions,
-    shouldDisplayTileView
-} from '../../../react/features/video-layout';
-
-import UIUtil from '../util/UIUtil';
+import { isFilmstripVisible } from '../../../react/features/filmstrip';
 
 const Filmstrip = {
-    /**
-     * Caches jquery lookups of the filmstrip for future use.
-     */
-    init() {
-        this.filmstripContainerClassName = 'filmstrip';
-        this.filmstrip = $('#remoteVideos');
-        this.filmstripRemoteVideos = $('#filmstripRemoteVideosContainer');
-    },
-
-    /**
-     * Shows if filmstrip is visible
-     * @returns {boolean}
-     */
-    isFilmstripVisible() {
-        return APP.store.getState()['features/filmstrip'].visible;
-    },
-
     /**
      * Returns the height of filmstrip
      * @returns {number} height
@@ -36,8 +11,8 @@ const Filmstrip = {
         // FIXME Make it more clear the getFilmstripHeight check is used in
         // horizontal film strip mode for calculating how tall large video
         // display should be.
-        if (this.isFilmstripVisible() && !interfaceConfig.VERTICAL_FILMSTRIP) {
-            return $(`.${this.filmstripContainerClassName}`).outerHeight();
+        if (isFilmstripVisible(APP.store) && !interfaceConfig.VERTICAL_FILMSTRIP) {
+            return $('.filmstrip').outerHeight();
         }
 
         return 0;
@@ -48,303 +23,135 @@ const Filmstrip = {
      * @returns {number} width
      */
     getFilmstripWidth() {
-        return this.isFilmstripVisible()
-            ? this.filmstrip.outerWidth()
-                - parseInt(this.filmstrip.css('paddingLeft'), 10)
-                - parseInt(this.filmstrip.css('paddingRight'), 10)
-            : 0;
-    },
+        const filmstrip = $('#remoteVideos');
 
-    /**
-     * Calculates the size for thumbnails: local and remote one
-     * @returns {*|{localVideo, remoteVideo}}
-     */
-    calculateThumbnailSize() {
-        if (shouldDisplayTileView(APP.store.getState())) {
-            return this._calculateThumbnailSizeForTileView();
-        }
-
-        const { availableWidth, availableHeight } = this.calculateAvailableSize();
-
-        return this.calculateThumbnailSizeFromAvailable(availableWidth, availableHeight);
+        return isFilmstripVisible(APP.store)
+            ? filmstrip.outerWidth()
+                - parseInt(filmstrip.css('paddingLeft'), 10)
+                - parseInt(filmstrip.css('paddingRight'), 10)
+            : 0;
     },
 
     /**
-     * Calculates available size for one thumbnail according to
-     * the current window size.
+     * Resizes thumbnails for tile view.
      *
-     * @returns {{availableWidth: number, availableHeight: number}}
+     * @param {number} width - The new width of the thumbnails.
+     * @param {number} height - The new height of the thumbnails.
+     * @param {boolean} forceUpdate
+     * @returns {void}
      */
-    calculateAvailableSize() {
-        /**
-         * If the videoAreaAvailableWidth is set we use this one to calculate
-         * the filmstrip width, because we're probably in a state where the
-         * filmstrip size hasn't been updated yet, but it will be.
-         */
-        const videoAreaAvailableWidth
-            = UIUtil.getAvailableVideoWidth()
-                - this._getFilmstripExtraPanelsWidth()
-                - UIUtil.parseCssInt(this.filmstrip.css('right'), 10)
-                - UIUtil.parseCssInt(this.filmstrip.css('paddingLeft'), 10)
-                - UIUtil.parseCssInt(this.filmstrip.css('paddingRight'), 10)
-                - UIUtil.parseCssInt(this.filmstrip.css('borderLeftWidth'), 10)
-                - UIUtil.parseCssInt(this.filmstrip.css('borderRightWidth'), 10)
-                - 5;
-
-        const availableHeight = Math.min(interfaceConfig.FILM_STRIP_MAX_HEIGHT || 120, window.innerHeight - 18);
-        let availableWidth = videoAreaAvailableWidth;
-        const localVideoContainer = $('#localVideoContainer');
+    resizeThumbnailsForTileView(width, height, forceUpdate = false) {
+        const thumbs = this._getThumbs(!forceUpdate);
+        const avatarSize = height / 2;
 
-        // If local thumb is not hidden
-        if (!localVideoContainer.has('hidden')) {
-            availableWidth = Math.floor(
-                videoAreaAvailableWidth - (
-                    UIUtil.parseCssInt(localVideoContainer.css('borderLeftWidth'), 10)
-                    + UIUtil.parseCssInt(localVideoContainer.css('borderRightWidth'), 10)
-                    + UIUtil.parseCssInt(localVideoContainer.css('paddingLeft'), 10)
-                    + UIUtil.parseCssInt(localVideoContainer.css('paddingRight'), 10)
-                    + UIUtil.parseCssInt(localVideoContainer.css('marginLeft'), 10)
-                    + UIUtil.parseCssInt(localVideoContainer.css('marginRight'), 10))
-            );
+        if (thumbs.localThumb) {
+            thumbs.localThumb.css({
+                'padding-top': '',
+                height: `${height}px`,
+                'min-height': `${height}px`,
+                'min-width': `${width}px`,
+                width: `${width}px`
+            });
         }
 
-        return {
-            availableHeight,
-            availableWidth
-        };
-    },
-
-    /**
-     * Traverse all elements inside the filmstrip
-     * and calculates the sum of all of them except
-     * remote videos element. Used for calculation of
-     * available width for video thumbnails.
-     *
-     * @returns {number} calculated width
-     * @private
-     */
-    _getFilmstripExtraPanelsWidth() {
-        const className = this.filmstripContainerClassName;
-        let width = 0;
-
-        $(`.${className}`)
-            .children()
-            .each(function() {
-                /* eslint-disable no-invalid-this */
-                if (this.id !== 'remoteVideos') {
-                    width += $(this).outerWidth();
-                }
-                /* eslint-enable no-invalid-this */
+        if (thumbs.remoteThumbs) {
+            thumbs.remoteThumbs.css({
+                'padding-top': '',
+                height: `${height}px`,
+                'min-height': `${height}px`,
+                'min-width': `${width}px`,
+                width: `${width}px`
             });
-
-        return width;
-    },
-
-    /**
-     Calculate the thumbnail size in order to fit all the thumnails in passed
-     * dimensions.
-     * NOTE: Here we assume that the remote and local thumbnails are with the
-     * same height.
-     * @param {int} availableWidth the maximum width for all thumbnails
-     * @param {int} availableHeight the maximum height for all thumbnails
-     * @returns {{localVideo, remoteVideo}}
-     */
-    calculateThumbnailSizeFromAvailable(availableWidth, availableHeight) {
-        /**
-         * Let:
-         * lW - width of the local thumbnail
-         * rW - width of the remote thumbnail
-         * h - the height of the thumbnails
-         * remoteRatio - width:height for the remote thumbnail
-         * localRatio - width:height for the local thumbnail
-         * remoteThumbsInRow - number of remote thumbnails in a row (we have
-         * only one local thumbnail) next to the local thumbnail. In vertical
-         * filmstrip mode, this will always be 0.
-         *
-         * Since the height for local thumbnail = height for remote thumbnail
-         * and we know the ratio (width:height) for the local and for the
-         * remote thumbnail we can find rW/lW:
-         * rW / remoteRatio = lW / localRatio then -
-         * remoteLocalWidthRatio = rW / lW = remoteRatio / localRatio
-         * and rW = lW * remoteRatio / localRatio = lW * remoteLocalWidthRatio
-         * And the total width for the thumbnails is:
-         * totalWidth = rW * remoteThumbsInRow + lW
-         * = lW * remoteLocalWidthRatio * remoteThumbsInRow + lW =
-         * lW * (remoteLocalWidthRatio * remoteThumbsInRow + 1)
-         * and the h = lW/localRatio
-         *
-         * In order to fit all the thumbails in the area defined by
-         * availableWidth * availableHeight we should check one of the
-         * following options:
-         * 1) if availableHeight == h - totalWidth should be less than
-         * availableWidth
-         * 2) if availableWidth ==  totalWidth - h should be less than
-         * availableHeight
-         *
-         * 1) or 2) will be true and we are going to use it to calculate all
-         * sizes.
-         *
-         * if 1) is true that means that
-         * availableHeight/h > availableWidth/totalWidth otherwise 2) is true
-         */
-
-        const remoteLocalWidthRatio = interfaceConfig.REMOTE_THUMBNAIL_RATIO / interfaceConfig.LOCAL_THUMBNAIL_RATIO;
-        const lW = Math.min(availableWidth, availableHeight * interfaceConfig.LOCAL_THUMBNAIL_RATIO);
-        const h = lW / interfaceConfig.LOCAL_THUMBNAIL_RATIO;
-
-        const remoteVideoWidth = lW * remoteLocalWidthRatio;
-
-        let localVideo;
-
-        if (interfaceConfig.VERTICAL_FILMSTRIP) {
-            localVideo = {
-                thumbWidth: remoteVideoWidth,
-                thumbHeight: h * remoteLocalWidthRatio
-            };
-        } else {
-            localVideo = {
-                thumbWidth: lW,
-                thumbHeight: h
-            };
         }
 
-        return {
-            localVideo,
-            remoteVideo: {
-                thumbWidth: remoteVideoWidth,
-                thumbHeight: h
-            }
-        };
+        $('.avatar-container').css({
+            height: `${avatarSize}px`,
+            width: `${avatarSize}px`
+        });
     },
 
     /**
-     * Calculates the size for thumbnails when in tile view layout.
+     * Resizes thumbnails for horizontal view.
      *
-     * @returns {{localVideo, remoteVideo}}
+     * @param {Object} dimensions - The new dimensions of the thumbnails.
+     * @param {boolean} forceUpdate
+     * @returns {void}
      */
-    _calculateThumbnailSizeForTileView() {
-        const tileAspectRatio = 16 / 9;
-
-        // The distance from the top and bottom of the screen, as set by CSS, to
-        // avoid overlapping UI elements.
-        const topBottomPadding = 200;
-
-        // Minimum space to keep between the sides of the tiles and the sides
-        // of the window.
-        const sideMargins = 30 * 2;
+    resizeThumbnailsForHorizontalView({ local = {}, remote = {} }, forceUpdate = false) {
+        const thumbs = this._getThumbs(!forceUpdate);
 
-        const state = APP.store.getState();
-
-        const viewWidth = document.body.clientWidth - sideMargins;
-        const viewHeight = document.body.clientHeight - topBottomPadding;
+        if (thumbs.localThumb) {
+            const { height, width } = local;
+            const avatarSize = height / 2;
 
-        const {
-            columns,
-            visibleRows
-        } = getTileViewGridDimensions(state, getMaxColumnCount());
-        const initialWidth = viewWidth / columns;
-        const aspectRatioHeight = initialWidth / tileAspectRatio;
+            thumbs.localThumb.css({
+                height: `${height}px`,
+                'min-height': `${height}px`,
+                'min-width': `${width}px`,
+                width: `${width}px`
+            });
+            $('#localVideoContainer > .avatar-container').css({
+                height: `${avatarSize}px`,
+                width: `${avatarSize}px`
+            });
+        }
 
-        const heightOfEach = Math.floor(Math.min(
-            aspectRatioHeight,
-            viewHeight / visibleRows
-        ));
-        const widthOfEach = Math.floor(tileAspectRatio * heightOfEach);
+        if (thumbs.remoteThumbs) {
+            const { height, width } = remote;
+            const avatarSize = height / 2;
 
-        return {
-            localVideo: {
-                thumbWidth: widthOfEach,
-                thumbHeight: heightOfEach
-            },
-            remoteVideo: {
-                thumbWidth: widthOfEach,
-                thumbHeight: heightOfEach
-            }
-        };
+            thumbs.remoteThumbs.css({
+                height: `${height}px`,
+                'min-height': `${height}px`,
+                'min-width': `${width}px`,
+                width: `${width}px`
+            });
+            $('#filmstripRemoteVideosContainer > span > .avatar-container').css({
+                height: `${avatarSize}px`,
+                width: `${avatarSize}px`
+            });
+        }
     },
 
     /**
-     * Resizes thumbnails
-     * @param local
-     * @param remote
-     * @param forceUpdate
-     * @returns {Promise}
+     * Resizes thumbnails for vertical view.
+     *
+     * @returns {void}
      */
-    // eslint-disable-next-line max-params
-    resizeThumbnails(local, remote, forceUpdate = false) {
-        const state = APP.store.getState();
-
-        if (shouldDisplayTileView(state)) {
-            // The size of the side margins for each tile as set in CSS.
-            const sideMargins = 10 * 2;
-            const { columns, rows } = getTileViewGridDimensions(state, getMaxColumnCount());
-            const hasOverflow = rows > columns;
-
-            // Width is set so that the flex layout can automatically wrap
-            // tiles onto new rows.
-            this.filmstripRemoteVideos.css({ width: (local.thumbWidth * columns) + (columns * sideMargins) });
-            this.filmstripRemoteVideos.toggleClass('has-overflow', hasOverflow);
-        } else {
-            this.filmstripRemoteVideos.css('width', '');
-        }
-
-        const thumbs = this.getThumbs(!forceUpdate);
+    resizeThumbnailsForVerticalView() {
+        const thumbs = this._getThumbs(true);
 
         if (thumbs.localThumb) {
-            // eslint-disable-next-line no-shadow
+            const heightToWidthPercent = 100 / interfaceConfig.LOCAL_THUMBNAIL_RATIO;
+
             thumbs.localThumb.css({
-                display: 'inline-block',
-                height: `${local.thumbHeight}px`,
-                'min-height': `${local.thumbHeight}px`,
-                'min-width': `${local.thumbWidth}px`,
-                width: `${local.thumbWidth}px`
+                'padding-top': `${heightToWidthPercent}%`,
+                width: '',
+                height: '',
+                'min-width': '',
+                'min-height': ''
             });
-
-            const avatarSize = local.thumbHeight / 2;
-
-            thumbs.localThumb.find('.avatar-container')
-                .height(avatarSize)
-                .width(avatarSize);
-        }
-
-        if (thumbs.remoteThumbs) {
-            thumbs.remoteThumbs.css({
-                display: 'inline-block',
-                height: `${remote.thumbHeight}px`,
-                'min-height': `${remote.thumbHeight}px`,
-                'min-width': `${remote.thumbWidth}px`,
-                width: `${remote.thumbWidth}px`
+            $('#localVideoContainer > .avatar-container').css({
+                height: '50%',
+                width: `${heightToWidthPercent / 2}%`
             });
-
-            const avatarSize = remote.thumbHeight / 2;
-
-            thumbs.remoteThumbs.find('.avatar-container')
-                .height(avatarSize)
-                .width(avatarSize);
         }
 
-        const currentLayout = getCurrentLayout(APP.store.getState());
+        if (thumbs.remoteThumbs) {
+            const heightToWidthPercent = 100 / interfaceConfig.REMOTE_THUMBNAIL_RATIO;
 
-        // Let CSS take care of height in vertical filmstrip mode.
-        if (currentLayout === LAYOUTS.VERTICAL_FILMSTRIP_VIEW) {
-            $('#filmstripLocalVideo').css({
-                // adds 4 px because of small video 2px border
-                width: `${local.thumbWidth + 4}px`
+            thumbs.remoteThumbs.css({
+                'padding-top': `${heightToWidthPercent}%`,
+                width: '',
+                height: '',
+                'min-width': '',
+                'min-height': ''
             });
-        } else if (currentLayout === LAYOUTS.HORIZONTAL_FILMSTRIP_VIEW) {
-            this.filmstrip.css({
-                // adds 4 px because of small video 2px border and 10px margin for the scroll
-                height: `${remote.thumbHeight + 14}px`
+            $('#filmstripRemoteVideosContainer > span > .avatar-container').css({
+                height: '50%',
+                width: `${heightToWidthPercent / 2}%`
             });
         }
-
-        const { localThumb } = this.getThumbs();
-        const height = localThumb ? localThumb.height() : 0;
-        const fontSize = UIUtil.getIndicatorFontSize(height);
-
-        this.filmstrip.find('.indicator').css({
-            'font-size': `${fontSize}px`
-        });
     },
 
     /**
@@ -352,7 +159,7 @@ const Filmstrip = {
      * @param onlyVisible
      * @returns {object} thumbnails
      */
-    getThumbs(onlyVisible = false) {
+    _getThumbs(onlyVisible = false) {
         let selector = 'span';
 
         if (onlyVisible) {
@@ -360,7 +167,7 @@ const Filmstrip = {
         }
 
         const localThumb = $('#localVideoContainer');
-        const remoteThumbs = this.filmstripRemoteVideos.children(selector);
+        const remoteThumbs = $('#filmstripRemoteVideosContainer').children(selector);
 
         // Exclude the local video container if it has been hidden.
         if (localThumb.hasClass('hidden')) {

modules/UI/videolayout/LargeVideoManager.js

@@ -490,9 +490,15 @@ export default class LargeVideoManager {
             show = APP.conference.isConnectionInterrupted();
         }
 
-        const id = 'localConnectionMessage';
+        const element = document.getElementById('localConnectionMessage');
 
-        UIUtil.setVisible(id, show);
+        if (element) {
+            if (show) {
+                element.classList.add('show');
+            } else {
+                element.classList.remove('show');
+            }
+        }
 
         if (show) {
             // Avatar message conflicts with 'videoConnectionMessage',

modules/UI/videolayout/LocalVideo.js

@@ -33,6 +33,8 @@ export default class LocalVideo extends SmallVideo {
         this.streamEndedCallback = streamEndedCallback;
         this.container = this.createContainer();
         this.$container = $(this.container);
+        this.isLocal = true;
+        this._setThumbnailSize();
         this.updateDOMLocation();
 
         this.localVideoId = null;
@@ -40,10 +42,8 @@ export default class LocalVideo extends SmallVideo {
         if (!config.disableLocalVideoFlip) {
             this._buildContextMenu();
         }
-        this.isLocal = true;
         this.emitter = emitter;
-        this.statsPopoverLocation = interfaceConfig.VERTICAL_FILMSTRIP
-            ? 'left top' : 'top center';
+        this.statsPopoverLocation = interfaceConfig.VERTICAL_FILMSTRIP ? 'left top' : 'top center';
 
         Object.defineProperty(this, 'id', {
             get() {

modules/UI/videolayout/RemoteVideo.js

@@ -20,10 +20,7 @@ import {
     REMOTE_CONTROL_MENU_STATES,
     RemoteVideoMenuTriggerButton
 } from '../../../react/features/remote-video-menu';
-import {
-    LAYOUTS,
-    getCurrentLayout
-} from '../../../react/features/video-layout';
+import { LAYOUTS, getCurrentLayout } from '../../../react/features/video-layout';
 /* eslint-enable no-unused-vars */
 
 const logger = require('jitsi-meet-logger').getLogger(__filename);
@@ -129,6 +126,7 @@ export default class RemoteVideo extends SmallVideo {
     addRemoteVideoContainer() {
         this.container = createContainer(this.videoSpanId);
         this.$container = $(this.container);
+        this._setThumbnailSize();
         this.initBrowserSpecificProperties();
         this.updateRemoteVideoMenu();
         this.addAudioLevelIndicator();

modules/UI/videolayout/SmallVideo.js

@@ -34,7 +34,6 @@ import {
 
 const logger = require('jitsi-meet-logger').getLogger(__filename);
 
-import UIUtil from '../util/UIUtil';
 import UIEvents from '../../../service/UI/UIEvents';
 
 /**
@@ -629,8 +628,7 @@ export default class SmallVideo {
                 <Provider store = { APP.store }>
                     <AvatarDisplay
                         className = 'userAvatar'
-                        participantId = { this.id }
-                        size = { this.$avatar().width() } />
+                        participantId = { this.id } />
                 </Provider>,
                 thumbnail
             );
@@ -801,7 +799,8 @@ export default class SmallVideo {
             return;
         }
 
-        const iconSize = UIUtil.getIndicatorFontSize();
+        const { NORMAL = 8 } = interfaceConfig.INDICATOR_FONT_SIZES || {};
+        const iconSize = NORMAL;
         const showConnectionIndicator = this.videoIsHovered || !interfaceConfig.CONNECTION_INDICATOR_AUTO_HIDE_ENABLED;
         const state = APP.store.getState();
         const currentLayout = getCurrentLayout(state);
@@ -830,11 +829,9 @@ export default class SmallVideo {
                                     connectionStatus = { this._connectionStatus }
                                     iconSize = { iconSize }
                                     isLocalVideo = { this.isLocal }
-                                    enableStatsDisplay
-                                        = { !interfaceConfig.filmStripOnly }
+                                    enableStatsDisplay = { !interfaceConfig.filmStripOnly }
                                     participantId = { this.id }
-                                    statsPopoverPosition
-                                        = { statsPopoverPosition } />
+                                    statsPopoverPosition = { statsPopoverPosition } />
                                 : null }
                             <RaisedHandIndicator
                                 iconSize = { iconSize }
@@ -936,4 +933,67 @@ export default class SmallVideo {
         this._popoverIsHovered = popoverIsHovered;
         this.updateView();
     }
+
+    /**
+     * Sets the size of the thumbnail.
+     */
+    _setThumbnailSize() {
+        const layout = getCurrentLayout(APP.store.getState());
+        const heightToWidthPercent = 100
+                / (this.isLocal ? interfaceConfig.LOCAL_THUMBNAIL_RATIO : interfaceConfig.REMOTE_THUMBNAIL_RATIO);
+
+        switch (layout) {
+        case LAYOUTS.VERTICAL_FILMSTRIP_VIEW: {
+            this.$container.css('padding-top', `${heightToWidthPercent}%`);
+            this.$avatar().css({
+                height: '50%',
+                width: `${heightToWidthPercent / 2}%`
+            });
+            break;
+        }
+        case LAYOUTS.HORIZONTAL_FILMSTRIP_VIEW: {
+            const state = APP.store.getState();
+            const { local, remote } = state['features/filmstrip'].horizontalViewDimensions;
+            const size = this.isLocal ? local : remote;
+
+            if (typeof size !== 'undefined') {
+                const { height, width } = size;
+                const avatarSize = height / 2;
+
+                this.$container.css({
+                    height: `${height}px`,
+                    'min-height': `${height}px`,
+                    'min-width': `${width}px`,
+                    width: `${width}px`
+                });
+                this.$avatar().css({
+                    height: `${avatarSize}px`,
+                    width: `${avatarSize}px`
+                });
+            }
+            break;
+        }
+        case LAYOUTS.TILE_VIEW: {
+            const state = APP.store.getState();
+            const { thumbnailSize } = state['features/filmstrip'].tileViewDimensions;
+
+            if (typeof thumbnailSize !== 'undefined') {
+                const { height, width } = thumbnailSize;
+                const avatarSize = height / 2;
+
+                this.$container.css({
+                    height: `${height}px`,
+                    'min-height': `${height}px`,
+                    'min-width': `${width}px`,
+                    width: `${width}px`
+                });
+                this.$avatar().css({
+                    height: `${avatarSize}px`,
+                    width: `${avatarSize}px`
+                });
+            }
+            break;
+        }
+        }
+    }
 }

modules/UI/videolayout/VideoLayout.js

@@ -1,10 +1,6 @@
 /* global APP, $, interfaceConfig  */
 const logger = require('jitsi-meet-logger').getLogger(__filename);
 
-import {
-    getNearestReceiverVideoQualityLevel,
-    setMaxReceiverVideoQuality
-} from '../../../react/features/base/conference';
 import {
     JitsiParticipantConnectionStatus
 } from '../../../react/features/base/lib-jitsi-meet';
@@ -14,13 +10,9 @@ import {
     getPinnedParticipant,
     pinParticipant
 } from '../../../react/features/base/participants';
-import {
-    shouldDisplayTileView
-} from '../../../react/features/video-layout';
 import { SHARED_VIDEO_CONTAINER_TYPE } from '../shared_video/SharedVideo';
 import SharedVideoThumb from '../shared_video/SharedVideoThumb';
 
-import Filmstrip from './Filmstrip';
 import UIEvents from '../../../service/UI/UIEvents';
 
 import RemoteVideo from './RemoteVideo';
@@ -87,11 +79,6 @@ const VideoLayout = {
         // sets default video type of local video
         // FIXME container type is totally different thing from the video type
         localVideoThumbnail.setVideoType(VIDEO_CONTAINER_TYPE);
-
-        // if we do not resize the thumbs here, if there is no video device
-        // the local video thumb maybe one pixel
-        this.resizeThumbnails(true);
-
         this.registerListeners();
     },
 
@@ -331,8 +318,6 @@ const VideoLayout = {
             remoteVideo.setVideoType(VIDEO_CONTAINER_TYPE);
         }
 
-        VideoLayout.resizeThumbnails(true);
-
         // Initialize the view
         remoteVideo.updateView();
     },
@@ -340,12 +325,9 @@ const VideoLayout = {
     // FIXME: what does this do???
     remoteVideoActive(videoElement, resourceJid) {
         logger.info(`${resourceJid} video is now active`, videoElement);
-        VideoLayout.resizeThumbnails(
-            false, () => {
-                if (videoElement) {
-                    $(videoElement).show();
-                }
-            });
+        if (videoElement) {
+            $(videoElement).show();
+        }
         this._updateLargeVideoIfDisplayed(resourceJid, true);
     },
 
@@ -378,37 +360,6 @@ const VideoLayout = {
         });
     },
 
-    /*
-     * Shows or hides the audio muted indicator over the local thumbnail video.
-     * @param {boolean} isMuted
-     */
-    showLocalAudioIndicator(isMuted) {
-        localVideoThumbnail.showAudioIndicator(isMuted);
-    },
-
-    /**
-     * Resizes thumbnails.
-     */
-    resizeThumbnails(forceUpdate = false, onComplete = null) {
-        const { localVideo, remoteVideo } = Filmstrip.calculateThumbnailSize();
-
-        Filmstrip.resizeThumbnails(localVideo, remoteVideo, forceUpdate);
-
-        if (shouldDisplayTileView(APP.store.getState())) {
-            const height = (localVideo && localVideo.thumbHeight) || (remoteVideo && remoteVideo.thumbnHeight) || 0;
-            const qualityLevel = getNearestReceiverVideoQualityLevel(height);
-
-            APP.store.dispatch(setMaxReceiverVideoQuality(qualityLevel));
-        }
-
-        localVideoThumbnail && localVideoThumbnail.rerender();
-        Object.values(remoteVideos).forEach(remoteVideoThumbnail => remoteVideoThumbnail.rerender());
-
-        if (onComplete && typeof onComplete === 'function') {
-            onComplete();
-        }
-    },
-
     /**
      * On audio muted event.
      */
@@ -543,18 +494,6 @@ const VideoLayout = {
         }
     },
 
-    /**
-     * Hides the connection indicator
-     * @param id
-     */
-    hideConnectionIndicator(id) {
-        const remoteVideo = remoteVideos[id];
-
-        if (remoteVideo) {
-            remoteVideo.removeConnectionIndicator();
-        }
-    },
-
     /**
      * Hides all the indicators
      */
@@ -586,8 +525,6 @@ const VideoLayout = {
         } else {
             logger.warn(`No remote video for ${id}`);
         }
-
-        VideoLayout.resizeThumbnails();
     },
 
     onVideoTypeChanged(id, newVideoType) {
@@ -623,12 +560,7 @@ const VideoLayout = {
      *
      * @param forceUpdate indicates that hidden thumbnails will be shown
      */
-    resizeVideoArea(
-            forceUpdate = false,
-            animate = false) {
-        // Resize the thumbnails first.
-        this.resizeThumbnails(forceUpdate);
-
+    resizeVideoArea(animate = false) {
         if (largeVideo) {
             largeVideo.updateContainerSize();
             largeVideo.resize(animate);
@@ -917,6 +849,10 @@ const VideoLayout = {
     refreshLayout() {
         localVideoThumbnail && localVideoThumbnail.updateDOMLocation();
         VideoLayout.resizeVideoArea();
+
+        // Rerender the thumbnails since they are dependant on the layout because of the tooltip positioning.
+        localVideoThumbnail && localVideoThumbnail.rerender();
+        Object.values(remoteVideos).forEach(remoteVideoThumbnail => remoteVideoThumbnail.rerender());
     },
 
     /**
@@ -967,6 +903,13 @@ const VideoLayout = {
         if (this.isCurrentlyOnLarge(participantId)) {
             this.updateLargeVideo(participantId, force);
         }
+    },
+
+    /**
+     * Handles window resizes.
+     */
+    onResize() {
+        VideoLayout.resizeVideoArea();
     }
 };
 

react/features/base/conference/middleware.js

@@ -116,16 +116,12 @@ StateListenerRegistry.register(
             maxReceiverVideoQuality,
             preferredReceiverVideoQuality
         } = currentState;
-        const changedPreferredVideoQuality = preferredReceiverVideoQuality
-            !== previousState.preferredReceiverVideoQuality;
-        const changedMaxVideoQuality = maxReceiverVideoQuality
-            !== previousState.maxReceiverVideoQuality;
+        const changedPreferredVideoQuality
+            = preferredReceiverVideoQuality !== previousState.preferredReceiverVideoQuality;
+        const changedMaxVideoQuality = maxReceiverVideoQuality !== previousState.maxReceiverVideoQuality;
 
         if (changedPreferredVideoQuality || changedMaxVideoQuality) {
-            _setReceiverVideoConstraint(
-                conference,
-                preferredReceiverVideoQuality,
-                maxReceiverVideoQuality);
+            _setReceiverVideoConstraint(conference, preferredReceiverVideoQuality, maxReceiverVideoQuality);
         }
     });
 

react/features/base/react/components/web/BaseIndicator.js

@@ -72,7 +72,6 @@ class BaseIndicator extends Component<Props> {
      */
     static defaultProps = {
         className: '',
-        iconSize: 13,
         id: '',
         tooltipPosition: 'top'
     };
@@ -95,8 +94,12 @@ class BaseIndicator extends Component<Props> {
             tooltipKey,
             tooltipPosition
         } = this.props;
-
         const iconContainerClassName = `indicator-icon-container ${className}`;
+        const style = {};
+
+        if (iconSize) {
+            style.fontSize = iconSize;
+        }
 
         return (
             <div className = 'indicator-container'>
@@ -110,7 +113,7 @@ class BaseIndicator extends Component<Props> {
                             className = { iconClassName }
                             id = { iconId }
                             src = { icon }
-                            style = {{ fontSize: iconSize }} />
+                            style = { style } />
                     </span>
                 </Tooltip>
             </div>

react/features/base/responsive-ui/actionTypes.js

@@ -1,3 +1,12 @@
+/**
+ * The type of (redux) action which indicates that the client window has been resized.
+ *
+ * {
+ *     type: CLIENT_RESIZED
+ * }
+ */
+export const CLIENT_RESIZED = 'CLIENT_RESIZED';
+
 /**
  * The type of (redux) action which sets the aspect ratio of the app's user
  * interface.

react/features/base/responsive-ui/actions.js

@@ -1,10 +1,10 @@
 // @flow
 
-import { SET_ASPECT_RATIO, SET_REDUCED_UI } from './actionTypes';
-import { ASPECT_RATIO_NARROW, ASPECT_RATIO_WIDE } from './constants';
-
 import type { Dispatch } from 'redux';
 
+import { CLIENT_RESIZED, SET_ASPECT_RATIO, SET_REDUCED_UI } from './actionTypes';
+import { ASPECT_RATIO_NARROW, ASPECT_RATIO_WIDE } from './constants';
+
 /**
  * Size threshold for determining if we are in reduced UI mode or not.
  *
@@ -16,6 +16,21 @@ import type { Dispatch } from 'redux';
  */
 const REDUCED_UI_THRESHOLD = 300;
 
+/**
+ * Indicates a resize of the window.
+ *
+ * @param {number} clientWidth - The width of the window.
+ * @param {number} clientHeight - The height of the window.
+ * @returns {Object}
+ */
+export function clientResized(clientWidth: number, clientHeight: number) {
+    return {
+        type: CLIENT_RESIZED,
+        clientHeight,
+        clientWidth
+    };
+}
+
 /**
  * Sets the aspect ratio of the app's user interface based on specific width and
  * height.

react/features/base/responsive-ui/middleware.web.js

@@ -0,0 +1,69 @@
+// @flow
+
+import { APP_WILL_MOUNT, APP_WILL_UNMOUNT } from '../../base/app';
+import { MiddlewareRegistry } from '../../base/redux';
+
+import { clientResized } from './actions';
+
+/**
+ * Dimensions change handler.
+ */
+let handler;
+
+/**
+ * Middleware that handles window dimension changes.
+ *
+ * @param {Store} store - The redux store.
+ * @returns {Function}
+ */
+MiddlewareRegistry.register(store => next => action => {
+    const result = next(action);
+
+    switch (action.type) {
+    case APP_WILL_UNMOUNT: {
+        _appWillUnmount();
+        break;
+    }
+    case APP_WILL_MOUNT:
+        _appWillMount(store);
+        break;
+
+    }
+
+    return result;
+});
+
+/**
+ * Notifies this feature that the action {@link APP_WILL_MOUNT} is being
+ * dispatched within a specific redux {@code store}.
+ *
+ * @param {Store} store - The redux store in which the specified {@code action}
+ * is being dispatched.
+ * @private
+ * @returns {void}
+ */
+function _appWillMount(store) {
+    handler = () => {
+        const {
+            innerHeight,
+            innerWidth
+        } = window;
+
+        store.dispatch(clientResized(innerWidth, innerHeight));
+    };
+
+    window.addEventListener('resize', handler);
+}
+
+/**
+ * Notifies this feature that the action {@link APP_WILL_UNMOUNT} is being
+ * dispatched within a specific redux {@code store}.
+ *
+ * @private
+ * @returns {void}
+ */
+function _appWillUnmount() {
+    window.removeEventListener('resize', handler);
+
+    handler = undefined;
+}

react/features/base/responsive-ui/reducer.js

@@ -2,19 +2,34 @@
 
 import { ReducerRegistry, set } from '../redux';
 
-import { SET_ASPECT_RATIO, SET_REDUCED_UI } from './actionTypes';
+import { CLIENT_RESIZED, SET_ASPECT_RATIO, SET_REDUCED_UI } from './actionTypes';
 import { ASPECT_RATIO_NARROW } from './constants';
 
+const {
+    innerHeight = 0,
+    innerWidth = 0
+} = window;
+
 /**
  * The default/initial redux state of the feature base/responsive-ui.
  */
 const DEFAULT_STATE = {
     aspectRatio: ASPECT_RATIO_NARROW,
+    clientHeight: innerHeight,
+    clientWidth: innerWidth,
     reducedUI: false
 };
 
 ReducerRegistry.register('features/base/responsive-ui', (state = DEFAULT_STATE, action) => {
     switch (action.type) {
+    case CLIENT_RESIZED: {
+
+        return {
+            ...state,
+            clientWidth: action.clientWidth,
+            clientHeight: action.clientHeight
+        };
+    }
     case SET_ASPECT_RATIO:
         return set(state, 'aspectRatio', action.aspectRatio);
 

react/features/filmstrip/actionTypes.js

@@ -28,3 +28,23 @@ export const SET_FILMSTRIP_HOVERED = 'SET_FILMSTRIP_HOVERED';
  * }
  */
 export const SET_FILMSTRIP_VISIBLE = 'SET_FILMSTRIP_VISIBLE';
+
+/**
+ * The type of (redux) action which sets the dimensions of the tile view grid.
+ *
+ * {
+ *     type: SET_TILE_VIEW_DIMENSIONS,
+ *     dimensions: Object
+ * }
+ */
+export const SET_TILE_VIEW_DIMENSIONS = 'SET_TILE_VIEW_DIMENSIONS';
+
+/**
+ * The type of (redux) action which sets the dimensions of the thumbnails in horizontal view.
+ *
+ * {
+ *     type: SET_HORIZONTAL_VIEW_DIMENSIONS,
+ *     dimensions: Object
+ * }
+ */
+export const SET_HORIZONTAL_VIEW_DIMENSIONS = 'SET_HORIZONTAL_VIEW_DIMENSIONS';

react/features/filmstrip/actions.web.js

@@ -0,0 +1,54 @@
+// @flow
+
+import { SET_HORIZONTAL_VIEW_DIMENSIONS, SET_TILE_VIEW_DIMENSIONS } from './actionTypes';
+import { calculateThumbnailSizeForHorizontalView, calculateThumbnailSizeForTileView } from './functions';
+
+/**
+ * The size of the side margins for each tile as set in CSS.
+ */
+const TILE_VIEW_SIDE_MARGINS = 10 * 2;
+
+/**
+ * Sets the dimensions of the tile view grid.
+ *
+ * @param {Object} dimensions - Whether the filmstrip is visible.
+ * @param {Object} windowSize - The size of the window.
+ * @returns {{
+ *     type: SET_TILE_VIEW_DIMENSIONS,
+ *     dimensions: Object
+ * }}
+ */
+export function setTileViewDimensions(dimensions: Object, windowSize: Object) {
+    const thumbnailSize = calculateThumbnailSizeForTileView({
+        ...dimensions,
+        ...windowSize
+    });
+    const filmstripWidth = dimensions.columns * (TILE_VIEW_SIDE_MARGINS + thumbnailSize.width);
+
+    return {
+        type: SET_TILE_VIEW_DIMENSIONS,
+        dimensions: {
+            gridDimensions: dimensions,
+            thumbnailSize,
+            filmstripWidth
+        }
+    };
+}
+
+/**
+ * Sets the dimensions of the thumbnails in horizontal view.
+ *
+ * @param {number} clientHeight - The height of the window.
+ * @returns {{
+ *     type: SET_HORIZONTAL_VIEW_DIMENSIONS,
+ *     dimensions: Object
+ * }}
+ */
+export function setHorizontalViewDimensions(clientHeight: number = 0) {
+    return {
+        type: SET_HORIZONTAL_VIEW_DIMENSIONS,
+        dimensions: calculateThumbnailSizeForHorizontalView(clientHeight)
+    };
+}
+
+export * from './actions.native';

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

@@ -34,6 +34,7 @@ class AudioMutedIndicator extends Component<Props> {
                 className = 'audioMuted toolbar-icon'
                 icon = { IconMicDisabled }
                 iconId = 'mic-disabled'
+                iconSize = { 13 }
                 tooltipKey = 'videothumbnail.mute'
                 tooltipPosition = { this.props.tooltipPosition } />
         );

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

@@ -16,6 +16,8 @@ import { dockToolbox } from '../../../toolbox';
 import { setFilmstripHovered, setFilmstripVisible } from '../../actions';
 import { shouldRemoteVideosBeVisible } from '../../functions';
 
+import { getCurrentLayout, LAYOUTS } from '../../../video-layout';
+
 import Toolbar from './Toolbar';
 
 declare var APP: Object;
@@ -31,17 +33,37 @@ type Props = {
      */
     _className: string,
 
+    /**
+     * The current layout of the filmstrip.
+     */
+    _currentLayout: string,
+
+    /**
+     * The number of columns in tile view.
+     */
+    _columns: number,
+
     /**
      * Whether the UI/UX is filmstrip-only.
      */
     _filmstripOnly: boolean,
 
+    /**
+     * The width of the filmstrip.
+     */
+    _filmstripWidth: number,
+
     /**
      * Whether or not remote videos are currently being hovered over. Hover
      * handling is currently being handled detected outside of react.
      */
     _hovered: boolean,
 
+    /**
+     * The number of rows in tile view.
+     */
+    _rows: number,
+
     /**
      * Additional CSS class names to add to the container of all the thumbnails.
      */
@@ -87,8 +109,7 @@ class Filmstrip extends Component <Props> {
         // also works around an issue where mouseout and then a mouseover event
         // is fired when hovering over remote thumbnails, which are not yet in
         // react.
-        this._notifyOfHoveredStateUpdate
-            = _.debounce(this._notifyOfHoveredStateUpdate, 100);
+        this._notifyOfHoveredStateUpdate = _.debounce(this._notifyOfHoveredStateUpdate, 100);
 
         // Cache the current hovered state for _updateHoveredState to always
         // send the last known hovered state.
@@ -97,10 +118,8 @@ class Filmstrip extends Component <Props> {
         // Bind event handlers so they are only bound once for every instance.
         this._onMouseOut = this._onMouseOut.bind(this);
         this._onMouseOver = this._onMouseOver.bind(this);
-        this._onShortcutToggleFilmstrip
-            = this._onShortcutToggleFilmstrip.bind(this);
-        this._onToolbarToggleFilmstrip
-            = this._onToolbarToggleFilmstrip.bind(this);
+        this._onShortcutToggleFilmstrip = this._onShortcutToggleFilmstrip.bind(this);
+        this._onToolbarToggleFilmstrip = this._onToolbarToggleFilmstrip.bind(this);
     }
 
     /**
@@ -142,13 +161,36 @@ class Filmstrip extends Component <Props> {
         // will get updated without replacing the DOM. If the known DOM gets
         // modified, then the views will get blown away.
 
+        const remoteVideosStyle = { };
+        const filmstripRemoteVideosContainerStyle = {};
+        let remoteVideoContainerClassName = 'remote-videos-container';
+
+        switch (this.props._currentLayout) {
+        case LAYOUTS.VERTICAL_FILMSTRIP_VIEW:
+            // Adding 8px for the 2px margins and 2px borders on the left and right. Also adding 7px for the scrollbar.
+            remoteVideosStyle.maxWidth = (interfaceConfig.FILM_STRIP_MAX_HEIGHT || 120) + 15;
+            break;
+        case LAYOUTS.TILE_VIEW: {
+            // The size of the side margins for each tile as set in CSS.
+            const { _columns, _rows, _filmstripWidth } = this.props;
+
+            if (_rows > _columns) {
+                remoteVideoContainerClassName += ' has-overflow';
+            }
+
+            filmstripRemoteVideosContainerStyle.width = _filmstripWidth;
+            break;
+        }
+        }
+
         return (
             <div className = { `filmstrip ${this.props._className}` }>
                 { this.props._filmstripOnly
                     ? <Toolbar /> : this._renderToggleButton() }
                 <div
                     className = { this.props._videosClassName }
-                    id = 'remoteVideos'>
+                    id = 'remoteVideos'
+                    style = { remoteVideosStyle }>
                     <div
                         className = 'filmstrip__videos'
                         id = 'filmstripLocalVideo'
@@ -165,10 +207,11 @@ class Filmstrip extends Component <Props> {
                           * thumbnails resize instead of causing overflow.
                           */}
                         <div
-                            className = 'remote-videos-container'
+                            className = { remoteVideoContainerClassName }
                             id = 'filmstripRemoteVideosContainer'
                             onMouseOut = { this._onMouseOut }
-                            onMouseOver = { this._onMouseOver }>
+                            onMouseOver = { this._onMouseOver }
+                            style = { filmstripRemoteVideosContainerStyle }>
                             <div id = 'localVideoTileViewContainer' />
                         </div>
                     </div>
@@ -301,20 +344,24 @@ class Filmstrip extends Component <Props> {
 function _mapStateToProps(state) {
     const { hovered, visible } = state['features/filmstrip'];
     const isFilmstripOnly = Boolean(interfaceConfig.filmStripOnly);
-    const reduceHeight = !isFilmstripOnly
-        && state['features/toolbox'].visible
-        && interfaceConfig.TOOLBAR_BUTTONS.length;
+    const reduceHeight
+        = !isFilmstripOnly && state['features/toolbox'].visible && interfaceConfig.TOOLBAR_BUTTONS.length;
     const remoteVideosVisible = shouldRemoteVideosBeVisible(state);
-    const className = `${remoteVideosVisible ? '' : 'hide-videos'} ${
-        reduceHeight ? 'reduce-height' : ''}`.trim();
+    const className = `${remoteVideosVisible ? '' : 'hide-videos'} ${reduceHeight ? 'reduce-height' : ''}`.trim();
     const videosClassName = `filmstrip__videos${
         isFilmstripOnly ? ' filmstrip__videos-filmstripOnly' : ''}${
         visible ? '' : ' hidden'}`;
+    const { gridDimensions = {}, filmstripWidth } = state['features/filmstrip'].tileViewDimensions;
+
 
     return {
         _className: className,
+        _columns: gridDimensions.columns,
+        _currentLayout: getCurrentLayout(state),
         _filmstripOnly: isFilmstripOnly,
+        _filmstripWidth: filmstripWidth,
         _hovered: hovered,
+        _rows: gridDimensions.rows,
         _videosClassName: videosClassName,
         _visible: visible
     };

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

@@ -34,6 +34,7 @@ class ModeratorIndicator extends Component<Props> {
                 <BaseIndicator
                     className = 'focusindicator toolbar-icon'
                     icon = { IconModerator }
+                    iconSize = { 13 }
                     tooltipKey = 'videothumbnail.moderator'
                     tooltipPosition = { this.props.tooltipPosition } />
             </div>

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

@@ -33,6 +33,7 @@ class VideoMutedIndicator extends Component<Props> {
                 className = 'videoMuted toolbar-icon'
                 icon = { IconCameraDisabled }
                 iconId = 'camera-disabled'
+                iconSize = { 13 }
                 tooltipKey = 'videothumbnail.videomute'
                 tooltipPosition = { this.props.tooltipPosition } />
         );

react/features/filmstrip/constants.js

@@ -4,3 +4,8 @@
  * The height of the filmstrip in narrow aspect ratio, or width in wide.
  */
 export const FILMSTRIP_SIZE = 90;
+
+/**
+ * The aspect ratio of a tile in tile view.
+ */
+export const TILE_ASPECT_RATIO = 16 / 9;

react/features/filmstrip/functions.web.js

@@ -6,6 +6,8 @@ import {
 } from '../base/participants';
 import { toState } from '../base/redux';
 
+import { TILE_ASPECT_RATIO } from './constants';
+
 declare var interfaceConfig: Object;
 
 /**
@@ -59,3 +61,58 @@ export function shouldRemoteVideosBeVisible(state: Object) {
 
             || state['features/base/config'].disable1On1Mode);
 }
+
+/**
+ * Calculates the size for thumbnails when in horizontal view layout.
+ *
+ * @param {number} clientHeight - The height of the app window.
+ * @returns {{local: {height, width}, remote: {height, width}}}
+ */
+export function calculateThumbnailSizeForHorizontalView(clientHeight: number = 0) {
+    const topBottomMargin = 15;
+    const availableHeight = Math.min(clientHeight, (interfaceConfig.FILM_STRIP_MAX_HEIGHT || 120) + topBottomMargin);
+    const height = availableHeight - topBottomMargin;
+
+    return {
+        local: {
+            height,
+            width: Math.floor(interfaceConfig.LOCAL_THUMBNAIL_RATIO * height)
+        },
+        remote: {
+            height,
+            width: Math.floor(interfaceConfig.REMOTE_THUMBNAIL_RATIO * height)
+        }
+    };
+}
+
+/**
+ * Calculates the size for thumbnails when in tile view layout.
+ *
+ * @param {Object} dimensions - The desired dimensions of the tile view grid.
+ * @returns {{height, width}}
+ */
+export function calculateThumbnailSizeForTileView({
+    columns,
+    visibleRows,
+    clientWidth,
+    clientHeight
+}: Object) {
+    // The distance from the top and bottom of the screen, as set by CSS, to
+    // avoid overlapping UI elements.
+    const topBottomPadding = 200;
+
+    // Minimum space to keep between the sides of the tiles and the sides
+    // of the window.
+    const sideMargins = 30 * 2;
+    const viewWidth = clientWidth - sideMargins;
+    const viewHeight = clientHeight - topBottomPadding;
+    const initialWidth = viewWidth / columns;
+    const aspectRatioHeight = initialWidth / TILE_ASPECT_RATIO;
+    const height = Math.floor(Math.min(aspectRatioHeight, viewHeight / visibleRows));
+    const width = Math.floor(TILE_ASPECT_RATIO * height);
+
+    return {
+        height,
+        width
+    };
+}

react/features/filmstrip/index.js

@@ -5,3 +5,5 @@ export * from './constants';
 export * from './functions';
 
 import './reducer';
+import './subscriber';
+import './middleware';

react/features/filmstrip/middleware.web.js

@@ -0,0 +1,74 @@
+// @flow
+
+import { getNearestReceiverVideoQualityLevel, setMaxReceiverVideoQuality } from '../base/conference';
+import { MiddlewareRegistry } from '../base/redux';
+import { CLIENT_RESIZED } from '../base/responsive-ui';
+import Filmstrip from '../../../modules/UI/videolayout/Filmstrip';
+import {
+    getCurrentLayout,
+    LAYOUTS,
+    shouldDisplayTileView
+} from '../video-layout';
+
+import { setHorizontalViewDimensions, setTileViewDimensions } from './actions';
+import { SET_HORIZONTAL_VIEW_DIMENSIONS, SET_TILE_VIEW_DIMENSIONS } from './actionTypes';
+
+/**
+ * The middleware of the feature Filmstrip.
+ */
+MiddlewareRegistry.register(store => next => action => {
+    const result = next(action);
+
+    switch (action.type) {
+    case CLIENT_RESIZED: {
+        const state = store.getState();
+        const layout = getCurrentLayout(state);
+
+        switch (layout) {
+        case LAYOUTS.TILE_VIEW: {
+            const { gridDimensions } = state['features/filmstrip'].tileViewDimensions;
+            const { clientHeight, clientWidth } = state['features/base/responsive-ui'];
+
+            store.dispatch(setTileViewDimensions(gridDimensions, {
+                clientHeight,
+                clientWidth
+            }));
+            break;
+        }
+        case LAYOUTS.HORIZONTAL_FILMSTRIP_VIEW:
+            store.dispatch(setHorizontalViewDimensions(state['features/base/responsive-ui'].clientHeight));
+            break;
+        }
+        break;
+    }
+    case SET_TILE_VIEW_DIMENSIONS: {
+        const state = store.getState();
+
+        if (shouldDisplayTileView(state)) {
+            const { width, height } = state['features/filmstrip'].tileViewDimensions.thumbnailSize;
+            const qualityLevel = getNearestReceiverVideoQualityLevel(height);
+
+            store.dispatch(setMaxReceiverVideoQuality(qualityLevel));
+
+            // Once the thumbnails are reactified this should be moved there too.
+            Filmstrip.resizeThumbnailsForTileView(width, height, true);
+        }
+        break;
+    }
+    case SET_HORIZONTAL_VIEW_DIMENSIONS: {
+        const state = store.getState();
+
+        if (getCurrentLayout(state) === LAYOUTS.HORIZONTAL_FILMSTRIP_VIEW) {
+            const { horizontalViewDimensions = {} } = state['features/filmstrip'];
+
+            // Once the thumbnails are reactified this should be moved there too.
+            Filmstrip.resizeThumbnailsForHorizontalView(horizontalViewDimensions, true);
+        }
+
+        break;
+    }
+    }
+
+    return result;
+});
+

react/features/filmstrip/reducer.js

@@ -5,7 +5,9 @@ import { ReducerRegistry } from '../base/redux';
 import {
     SET_FILMSTRIP_ENABLED,
     SET_FILMSTRIP_HOVERED,
-    SET_FILMSTRIP_VISIBLE
+    SET_FILMSTRIP_VISIBLE,
+    SET_HORIZONTAL_VIEW_DIMENSIONS,
+    SET_TILE_VIEW_DIMENSIONS
 } from './actionTypes';
 
 const DEFAULT_STATE = {
@@ -17,6 +19,22 @@ const DEFAULT_STATE = {
      */
     enabled: true,
 
+    /**
+     * The horizontal view dimensions.
+     *
+     * @public
+     * @type {Object}
+     */
+    horizontalViewDimensions: {},
+
+    /**
+     * The tile view dimensions.
+     *
+     * @public
+     * @type {Object}
+     */
+    tileViewDimensions: {},
+
     /**
      * The indicator which determines whether the {@link Filmstrip} is visible.
      *
@@ -55,6 +73,17 @@ ReducerRegistry.register(
                 ...state,
                 visible: action.visible
             };
+
+        case SET_HORIZONTAL_VIEW_DIMENSIONS:
+            return {
+                ...state,
+                horizontalViewDimensions: action.dimensions
+            };
+        case SET_TILE_VIEW_DIMENSIONS:
+            return {
+                ...state,
+                tileViewDimensions: action.dimensions
+            };
         }
 
         return state;

react/features/filmstrip/subscriber.web.js

@@ -0,0 +1,58 @@
+// @flow
+
+import { StateListenerRegistry, equals } from '../base/redux';
+import Filmstrip from '../../../modules/UI/videolayout/Filmstrip';
+import { getCurrentLayout, getTileViewGridDimensions, shouldDisplayTileView, LAYOUTS } from '../video-layout';
+
+import { setHorizontalViewDimensions, setTileViewDimensions } from './actions';
+
+/**
+ * Listens for changes in the number of participants to calculate the dimensions of the tile view grid and the tiles.
+ */
+StateListenerRegistry.register(
+    /* selector */ state => state['features/base/participants'].length,
+    /* listener */ (numberOfParticipants, store) => {
+        const state = store.getState();
+
+        if (shouldDisplayTileView(state)) {
+            const gridDimensions = getTileViewGridDimensions(state['features/base/participants'].length);
+            const oldGridDimensions = state['features/filmstrip'].tileViewDimensions.gridDimensions;
+            const { clientHeight, clientWidth } = state['features/base/responsive-ui'];
+
+            if (!equals(gridDimensions, oldGridDimensions)) {
+                store.dispatch(setTileViewDimensions(gridDimensions, {
+                    clientHeight,
+                    clientWidth
+                }));
+            }
+        }
+    });
+
+/**
+ * Listens for changes in the selected layout to calculate the dimensions of the tile view grid and horizontal view.
+ */
+StateListenerRegistry.register(
+    /* selector */ state => getCurrentLayout(state),
+    /* listener */ (layout, store) => {
+        const state = store.getState();
+
+        switch (layout) {
+        case LAYOUTS.TILE_VIEW: {
+            const { clientHeight, clientWidth } = state['features/base/responsive-ui'];
+
+            store.dispatch(setTileViewDimensions(
+                getTileViewGridDimensions(state['features/base/participants'].length), {
+                    clientHeight,
+                    clientWidth
+                }));
+            break;
+        }
+        case LAYOUTS.HORIZONTAL_FILMSTRIP_VIEW:
+            store.dispatch(setHorizontalViewDimensions(state['features/base/responsive-ui'].clientHeight));
+            break;
+        case LAYOUTS.VERTICAL_FILMSTRIP_VIEW:
+            // Once the thumbnails are reactified this should be moved there too.
+            Filmstrip.resizeThumbnailsForVerticalView();
+            break;
+        }
+    });

react/features/video-layout/functions.js

@@ -39,25 +39,20 @@ export function getMaxColumnCount() {
  * equal count of tiles for height and width, until maxColumn is reached in
  * which rows will be added but no more columns.
  *
- * @param {Object} state - The redux state.
+ * @param {number} numberOfParticipants - The number of participants including the fake participants.
  * @param {number} maxColumns - The maximum number of columns that can be
  * displayed.
  * @returns {Object} An object is return with the desired number of columns,
  * rows, and visible rows (the rest should overflow) for the tile view layout.
  */
-export function getTileViewGridDimensions(state: Object, maxColumns: number) {
-    // Purposefully include all participants, which includes fake participants
-    // that should show a thumbnail.
-    const potentialThumbnails = state['features/base/participants'].length;
-
-    const columnsToMaintainASquare = Math.ceil(Math.sqrt(potentialThumbnails));
+export function getTileViewGridDimensions(numberOfParticipants: number, maxColumns: number = getMaxColumnCount()) {
+    const columnsToMaintainASquare = Math.ceil(Math.sqrt(numberOfParticipants));
     const columns = Math.min(columnsToMaintainASquare, maxColumns);
-    const rows = Math.ceil(potentialThumbnails / columns);
+    const rows = Math.ceil(numberOfParticipants / columns);
     const visibleRows = Math.min(maxColumns, rows);
 
     return {
         columns,
-        rows,
         visibleRows
     };
 }