From 53f01a39c9cf8218dbc9deb5161cf46e9a42e7cf Mon Sep 17 00:00:00 2001
From: Bettenbuk Zoltan <zoltan.bettenbuk@gmail.com>
Date: Fri, 8 Nov 2019 14:40:20 +0100
Subject: [PATCH] feat: private message interface config flag

---
 .../base/config/interfaceConfigWhitelist.js   |  1 +
 .../web/PrivateMessageMenuButton.js           | 38 ++++++++++++++++++-
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/react/features/base/config/interfaceConfigWhitelist.js b/react/features/base/config/interfaceConfigWhitelist.js
index fed523ea9..f37762a2c 100644
--- a/react/features/base/config/interfaceConfigWhitelist.js
+++ b/react/features/base/config/interfaceConfigWhitelist.js
@@ -22,6 +22,7 @@ export default [
     'DEFAULT_REMOTE_DISPLAY_NAME',
     'DISABLE_DOMINANT_SPEAKER_INDICATOR',
     'DISABLE_FOCUS_INDICATOR',
+    'DISABLE_PRIVATE_MESSAGES',
     'DISABLE_RINGING',
     'DISABLE_TRANSCRIPTION_SUBTITLES',
     'DISABLE_VIDEO_BACKGROUND',
diff --git a/react/features/remote-video-menu/components/web/PrivateMessageMenuButton.js b/react/features/remote-video-menu/components/web/PrivateMessageMenuButton.js
index 4819a2a62..c9f036b4e 100644
--- a/react/features/remote-video-menu/components/web/PrivateMessageMenuButton.js
+++ b/react/features/remote-video-menu/components/web/PrivateMessageMenuButton.js
@@ -5,10 +5,25 @@ import React, { Component } from 'react';
 import { translate } from '../../../base/i18n';
 import { IconMessage } from '../../../base/icons';
 import { connect } from '../../../base/redux';
-import { _mapDispatchToProps, _mapStateToProps, type Props } from '../../../chat/components/PrivateMessageButton';
+import {
+    _mapDispatchToProps,
+    _mapStateToProps as _abstractMapStateToProps,
+    type Props as AbstractProps
+} from '../../../chat/components/PrivateMessageButton';
+import { isButtonEnabled } from '../../../toolbox';
 
 import RemoteVideoMenuButton from './RemoteVideoMenuButton';
 
+declare var interfaceConfig: Object;
+
+type Props = AbstractProps & {
+
+    /**
+     * True if the private chat functionality is disabled, hence the button is not visible.
+     */
+    _hidden: boolean
+};
+
 /**
  * A custom implementation of the PrivateMessageButton specialized for
  * the web version of the remote video menu. When the web platform starts to use
@@ -34,7 +49,11 @@ class PrivateMessageMenuButton extends Component<Props> {
      * @returns {ReactElement}
      */
     render() {
-        const { participantID, t } = this.props;
+        const { participantID, t, _hidden } = this.props;
+
+        if (_hidden) {
+            return null;
+        }
 
         return (
             <RemoteVideoMenuButton
@@ -59,4 +78,19 @@ class PrivateMessageMenuButton extends Component<Props> {
     }
 }
 
+/**
+ * Maps part of the Redux store to the props of this component.
+ *
+ * @param {Object} state - The Redux state.
+ * @param {Props} ownProps - The own props of the component.
+ * @returns {Props}
+ */
+function _mapStateToProps(state: Object, ownProps: Props): $Shape<Props> {
+    return {
+        ..._abstractMapStateToProps(state, ownProps),
+        _hidden: typeof interfaceConfig !== 'undefined'
+            && (interfaceConfig.DISABLE_PRIVATE_MESSAGES || !isButtonEnabled('chat'))
+    };
+}
+
 export default translate(connect(_mapStateToProps, _mapDispatchToProps)(PrivateMessageMenuButton));