Implements custom context menu to flip the local video

Makefile

@@ -3,7 +3,7 @@ BROWSERIFY = ./node_modules/.bin/browserify
 UGLIFYJS = ./node_modules/.bin/uglifyjs
 EXORCIST = ./node_modules/.bin/exorcist
 CLEANCSS = ./node_modules/.bin/cleancss
-CSS_FILES = font.css toastr.css main.css videolayout_default.css font-awesome.css jquery-impromptu.css modaldialog.css notice.css popup_menu.css login_menu.css popover.css jitsi_popover.css contact_list.css chat.css welcome_page.css settingsmenu.css feedback.css
+CSS_FILES = font.css toastr.css main.css videolayout_default.css font-awesome.css jquery-impromptu.css modaldialog.css notice.css popup_menu.css login_menu.css popover.css jitsi_popover.css contact_list.css chat.css welcome_page.css settingsmenu.css feedback.css jquery.contextMenu.css
 DEPLOY_DIR = libs
 BROWSERIFY_FLAGS = -d
 OUTPUT_DIR = .

app.js

@@ -3,6 +3,7 @@
 
 import "babel-polyfill";
 import "jquery";
+import "jquery-contextmenu";
 import "jquery-ui";
 import "strophe";
 import "strophe-disco";

css/jquery.contextMenu.css

@@ -0,0 +1,206 @@
+@charset "UTF-8";
+/*!
+ * jQuery contextMenu - Plugin for simple contextMenu handling
+ *
+ * Version: v2.1.1
+ *
+ * Authors: Björn Brala (SWIS.nl), Rodney Rehm, Addy Osmani (patches for FF)
+ * Web: http://swisnl.github.io/jQuery-contextMenu/
+ *
+ * Copyright (c) 2011-2016 SWIS BV and contributors
+ *
+ * Licensed under
+ *   MIT License http://www.opensource.org/licenses/mit-license
+ *
+ * Date: 2016-02-28T09:53:18.890Z
+ */
+@font-face {
+  font-family: "context-menu-icons";
+  font-style: normal; 
+  font-weight: normal;
+
+  src: url("font/context-menu-icons.eot?2qmzf");
+  src: url("font/context-menu-icons.eot?2qmzf#iefix") format("embedded-opentype"), url("font/context-menu-icons.woff2?2qmzf") format("woff2"), url("font/context-menu-icons.woff?2qmzf") format("woff"), url("font/context-menu-icons.ttf?2qmzf") format("truetype");
+}
+
+.context-menu-icon:before {
+  position: absolute;
+  top: 50%;
+  left: 0;
+  width: 28px; 
+  font-family: "context-menu-icons";
+  font-size: 16px;
+  font-style: normal;
+  font-weight: normal;
+  line-height: 1;
+  color: #2980b9;
+  text-align: center;
+  -webkit-transform: translateY(-50%);
+      -ms-transform: translateY(-50%);
+       -o-transform: translateY(-50%);
+          transform: translateY(-50%);
+
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+.context-menu-icon-add:before {
+  content: "";
+}
+
+.context-menu-icon-copy:before {
+  content: "";
+}
+
+.context-menu-icon-cut:before {
+  content: "";
+}
+
+.context-menu-icon-delete:before {
+  content: "";
+}
+
+.context-menu-icon-edit:before {
+  content: "";
+}
+
+.context-menu-icon-paste:before {
+  content: "";
+}
+
+.context-menu-icon-quit:before {
+  content: "";
+}
+
+.context-menu-icon.context-menu-hover:before {
+  color: #fff;
+}
+
+.context-menu-list {
+  position: absolute; 
+  display: inline-block;
+  min-width: 180px;
+  max-width: 360px;
+  padding: 4px 0;
+  margin: 5px;
+  font-family: inherit;
+  font-size: inherit;
+  list-style-type: none;
+  background: #fff;
+  border: 1px solid #bebebe;
+  border-radius: 3px;
+  -webkit-box-shadow: 0 2px 5px rgba(0, 0, 0, .5);
+          box-shadow: 0 2px 5px rgba(0, 0, 0, .5);
+}
+
+.context-menu-item {
+  position: relative;
+  padding: 3px 28px;
+  color: #2f2f2f;
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none; 
+  background-color: #fff;
+}
+
+.context-menu-separator {
+  padding: 0; 
+  margin: 5px 0;
+  border-bottom: 1px solid #e6e6e6;
+}
+
+.context-menu-item > label > input,
+.context-menu-item > label > textarea {
+  -webkit-user-select: text;
+     -moz-user-select: text;
+      -ms-user-select: text;
+          user-select: text;
+}
+
+.context-menu-item.context-menu-hover {
+  color: #fff;
+  cursor: pointer; 
+  background-color: #2980b9;
+}
+
+.context-menu-item.context-menu-disabled {
+  color: #626262; 
+  background-color: #fff;
+}
+
+.context-menu-item.context-menu-disabled {
+  color: #626262;
+}
+
+.context-menu-input.context-menu-hover,
+.context-menu-item.context-menu-disabled.context-menu-hover {
+  cursor: default; 
+  background-color: #eee;
+}
+
+.context-menu-submenu:after {
+  position: absolute;
+  top: 50%;
+  right: 8px;
+  z-index: 1; 
+  width: 0;
+  height: 0;
+  content: '';
+  border-color: transparent transparent transparent #2f2f2f;
+  border-style: solid;
+  border-width: 4px 0 4px 4px;
+  -webkit-transform: translateY(-50%);
+      -ms-transform: translateY(-50%);
+       -o-transform: translateY(-50%);
+          transform: translateY(-50%);
+}
+
+/**
+ * Inputs
+ */
+.context-menu-item.context-menu-input {
+  padding: 5px 10px;
+}
+
+/* vertically align inside labels */
+.context-menu-input > label > * {
+  vertical-align: top;
+}
+
+/* position checkboxes and radios as icons */
+.context-menu-input > label > input[type="checkbox"],
+.context-menu-input > label > input[type="radio"] {
+  position: relative;
+  top: 3px;
+}
+
+.context-menu-input > label,
+.context-menu-input > label > input[type="text"],
+.context-menu-input > label > textarea,
+.context-menu-input > label > select {
+  display: block;
+  width: 100%; 
+  -webkit-box-sizing: border-box;
+     -moz-box-sizing: border-box;
+          box-sizing: border-box;
+}
+
+.context-menu-input > label > textarea {
+  height: 100px;
+}
+
+.context-menu-item > .context-menu-list {
+  top: 5px; 
+  /* re-positioned by js */
+  right: -5px;
+  display: none;
+}
+
+.context-menu-item.context-menu-visible > .context-menu-list {
+  display: block;
+}
+
+.context-menu-accesskey {
+  text-decoration: underline;
+}

lang/main.json

@@ -99,7 +99,8 @@
         "mute": "Participant is muted",
         "kick": "Kick out",
         "muted": "Muted",
-        "domute": "Mute"
+        "domute": "Mute",
+        "flip": "Flip"
 
     },
     "connectionindicator":

modules/UI/videolayout/LargeVideo.js

@@ -168,6 +168,7 @@ class VideoContainer extends LargeContainer {
         super();
         this.stream = null;
         this.videoType = null;
+        this.localFlipX = true;
 
         this.isVisible = false;
 
@@ -284,13 +285,25 @@ class VideoContainer extends LargeContainer {
         }
 
         stream.attach(this.$video[0]);
-
+        let flipX = stream.isLocal() && this.localFlipX;
-        let flipX = stream.isLocal() && !this.isScreenSharing();
         this.$video.css({
             transform: flipX ? 'scaleX(-1)' : 'none'
         });
     }
 
+    /**
+     * Changes the flipX state of the local video.
+     * @param val {boolean} true if flipped.
+     */
+    setLocalFlipX(val) {
+        this.localFlipX = val;
+        if(!this.$video || !this.stream || !this.stream.isLocal())
+            return;
+        this.$video.css({
+            transform: this.localFlipX ? 'scaleX(-1)' : 'none'
+        });
+    }
+
     /**
      * Check if current video stream is screen sharing.
      * @returns {boolean}
@@ -651,4 +664,12 @@ export default class LargeVideoManager {
             }
         });
     }
+
+    /**
+     * Changes the flipX state of the local video.
+     * @param val {boolean} true if flipped.
+     */
+    onLocalFlipXChange(val) {
+        this.videoContainer.setLocalFlipX(val);
+    }
 }

modules/UI/videolayout/LocalVideo.js

@@ -4,16 +4,15 @@ import UIUtil from "../util/UIUtil";
 import UIEvents from "../../../service/UI/UIEvents";
 import SmallVideo from "./SmallVideo";
 
-var LargeVideo = require("./LargeVideo");
-
 const RTCUIUtils = JitsiMeetJS.util.RTCUIHelper;
 const TrackEvents = JitsiMeetJS.events.track;
 
 function LocalVideo(VideoLayout, emitter) {
     this.videoSpanId = "localVideoContainer";
     this.container = $("#localVideoContainer").get(0);
+    this.localVideoId = null;
     this.bindHoverHandler();
-    this.flipX = true;
+    this._buildContextMenu();
     this.isLocal = true;
     this.emitter = emitter;
     Object.defineProperty(this, 'id', {
@@ -165,9 +164,8 @@ LocalVideo.prototype.changeVideo = function (stream) {
     localVideoContainerSelector.off('click');
     localVideoContainerSelector.on('click', localVideoClick);
 
-    this.flipX = stream.videoType != "desktop";
     let localVideo = document.createElement('video');
-    localVideo.id = 'localVideo_' + stream.getId();
+    localVideo.id = this.localVideoId = 'localVideo_' + stream.getId();
 
     RTCUIUtils.setAutoPlay(localVideo, true);
     RTCUIUtils.setVolume(localVideo, 0);
@@ -182,9 +180,9 @@ LocalVideo.prototype.changeVideo = function (stream) {
     // onclick has to be used with Temasys plugin
     localVideo.onclick = localVideoClick;
 
-    if (this.flipX) {
+    let isVideo = stream.videoType != "desktop";
-        $(localVideo).addClass("flipVideoX");
+    this._enableDisableContextMenu(isVideo);
-    }
+    this.setFlipX(isVideo? APP.settings.getLocalFlipX() : false);
 
     // Attach WebRTC stream
     localVideo = stream.attach(localVideo);
@@ -222,4 +220,54 @@ LocalVideo.prototype.setVisible = function(visible) {
     }
 };
 
+/**
+ * Sets the flipX state of the video.
+ * @param val {boolean} true for flipped otherwise false;
+ */
+LocalVideo.prototype.setFlipX = function (val) {
+    this.emitter.emit(UIEvents.LOCAL_FLIPX_CHANGED, val);
+    if(!this.localVideoId)
+        return;
+    if(val) {
+        this.selectVideoElement().addClass("flipVideoX");
+    } else {
+        this.selectVideoElement().removeClass("flipVideoX");
+    }
+};
+
+/**
+ * Builds the context menu for the local video.
+ */
+LocalVideo.prototype._buildContextMenu = function () {
+    $.contextMenu({
+        selector: '#' + this.videoSpanId,
+        zIndex: 10000,
+        items: {
+            flip: {
+                name: "Flip",
+                callback: () => {
+                    let val = !APP.settings.getLocalFlipX();
+                    this.setFlipX(val);
+                    APP.settings.setLocalFlipX(val);
+                }
+            }
+        },
+        events: {
+            show : function(options){
+                options.items.flip.name =
+                    APP.translation.translateString("videothumbnail.flip");
+            }
+        }
+    });
+};
+
+/**
+ * Enables or disables the context menu for the local video.
+ * @param enable {boolean} true for enable, false for disable
+ */
+LocalVideo.prototype._enableDisableContextMenu = function (enable) {
+    if($('#' + this.videoSpanId).contextMenu)
+        $('#' + this.videoSpanId).contextMenu(enable);
+};
+
 export default LocalVideo;

modules/UI/videolayout/SmallVideo.js

@@ -165,9 +165,6 @@ SmallVideo.createStreamElement = function (stream) {
         console.log("(TIME) Render " + type + ":\t",
                     now);
     };
-
-    element.oncontextmenu = function () { return false; };
-
     return element;
 };
 

modules/UI/videolayout/VideoLayout.js

@@ -33,6 +33,11 @@ var eventEmitter = null;
  */
 var pinnedId = null;
 
+/**
+ * flipX state of the localVideo
+ */
+let localFlipX = null;
+
 /**
  * On contact list item clicked.
  */
@@ -92,6 +97,11 @@ let largeVideo;
 var VideoLayout = {
     init (emitter) {
         eventEmitter = emitter;
+        eventEmitter.addListener(UIEvents.LOCAL_FLIPX_CHANGED, function (val) {
+                localFlipX = val;
+                if(largeVideo)
+                    largeVideo.onLocalFlipXChange(val);
+            });
         localVideoThumbnail = new LocalVideo(VideoLayout, emitter);
         // sets default video type of local video
         localVideoThumbnail.setVideoType(VIDEO_CONTAINER_TYPE);
@@ -105,6 +115,9 @@ var VideoLayout = {
 
     initLargeVideo (isSideBarVisible) {
         largeVideo = new LargeVideoManager();
+        if(localFlipX) {
+            largeVideo.onLocalFlipXChange(localFlipX);
+        }
         largeVideo.updateContainerSize(isSideBarVisible);
         AudioLevels.init();
     },
@@ -1084,6 +1097,15 @@ var VideoLayout = {
             videoResolutionLabel.css({display: "block"});
         else if (!isResolutionHD && videoResolutionLabel.is(":visible"))
             videoResolutionLabel.css({display: "none"});
+    },
+
+    /**
+     * Sets the flipX state of the local video.
+     * @param {boolean} true for flipped otherwise false;
+     */
+    setLocalFlipX: function (val) {
+        this.localFlipX = val;
+
     }
 };
 

modules/settings/Settings.js

@@ -6,6 +6,7 @@ let language = null;
 let cameraDeviceId = '';
 let micDeviceId = '';
 let welcomePageDisabled = false;
+let localFlipX = null;
 
 function supportsLocalStorage() {
     try {
@@ -31,6 +32,7 @@ if (supportsLocalStorage()) {
     }
 
     email = UIUtil.unescapeHtml(window.localStorage.email || '');
+    localFlipX = JSON.parse(window.localStorage.localFlipX || true);
     displayName = UIUtil.unescapeHtml(window.localStorage.displayname || '');
     language = window.localStorage.language;
     cameraDeviceId = window.localStorage.cameraDeviceId || '';
@@ -87,6 +89,23 @@ export default {
         window.localStorage.language = lang;
     },
 
+    /**
+     * Sets new flipX state of local video and saves it to the local storage.
+     * @param {string} val flipX state of local video
+     */
+    setLocalFlipX: function (val) {
+        localFlipX = val;
+        window.localStorage.localFlipX = val;
+    },
+
+    /**
+     * Returns flipX state of local video.
+     * @returns {string} flipX
+     */
+    getLocalFlipX: function () {
+        return localFlipX;
+    },
+
     /**
      * Get device id of the camera which is currently in use.
      * Empty string stands for default device.

package.json

@@ -24,6 +24,7 @@
     "jquery": "~2.1.1",
     "jQuery-Impromptu": "git+https://github.com/trentrichardson/jQuery-Impromptu.git#v6.0.0",
     "lib-jitsi-meet": "jitsi/lib-jitsi-meet",
+    "jquery-contextmenu": "*",
     "jquery-ui": "^1.10.5",
     "jssha": "1.5.0",
     "retry": "0.6.1",
@@ -98,6 +99,9 @@
     "jQuery-Impromptu": {
       "depends": "jquery:jQuery"
     },
+    "jquery-contextmenu": {
+        "depends": "jquery:jQuery"
+    },
     "autosize": {
       "depends": "jquery:jQuery"
     }

service/UI/UIEvents.js

@@ -71,5 +71,9 @@ export default {
      * Notifies interested listeners that the follow-me feature is enabled or
      * disabled.
      */
-    FOLLOW_ME_ENABLED: "UI.follow_me_enabled"
+    FOLLOW_ME_ENABLED: "UI.follow_me_enabled",
+    /**
+     * Notifies that flipX property of the local video is changed.
+     */
+    LOCAL_FLIPX_CHANGED: "UI.local_flipx_changed"
 };