From cc0ecc1fddd8c5742b1bd37094581da44771fd1a Mon Sep 17 00:00:00 2001
From: "Tudor D. Pop" <tudor.dan.pop7@gmail.com>
Date: Fri, 26 Feb 2021 17:03:51 +0200
Subject: [PATCH] fix(blur) disable blur button if camera is off

---
 .../blur/components/VideoBlurButton.js        | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/react/features/blur/components/VideoBlurButton.js b/react/features/blur/components/VideoBlurButton.js
index db734d70b..c2793506d 100644
--- a/react/features/blur/components/VideoBlurButton.js
+++ b/react/features/blur/components/VideoBlurButton.js
@@ -6,6 +6,7 @@ import { IconBlurBackground } from '../../base/icons';
 import { connect } from '../../base/redux';
 import { AbstractButton } from '../../base/toolbox/components';
 import type { AbstractButtonProps } from '../../base/toolbox/components';
+import { isLocalCameraTrackMuted } from '../../base/tracks';
 import { toggleBlurEffect } from '../actions';
 
 /**
@@ -18,6 +19,11 @@ type Props = AbstractButtonProps & {
      */
     _isVideoBlurred: boolean,
 
+    /**
+     * Whether video is currently muted or not.
+     */
+    _videoMuted: boolean,
+
     /**
      * The redux {@code dispatch} function.
      */
@@ -60,6 +66,17 @@ class VideoBlurButton extends AbstractButton<Props, *> {
     _isToggled() {
         return this.props._isVideoBlurred;
     }
+
+    /**
+     * Returns {@code boolean} value indicating if disabled state is
+     * enabled or not.
+     *
+     * @protected
+     * @returns {boolean}
+     */
+    _isDisabled() {
+        return this.props._videoMuted;
+    }
 }
 
 /**
@@ -73,9 +90,13 @@ class VideoBlurButton extends AbstractButton<Props, *> {
  * }}
  */
 function _mapStateToProps(state): Object {
+    const tracks = state['features/base/tracks'];
+
     return {
-        _isVideoBlurred: Boolean(state['features/blur'].blurEnabled)
+        _isVideoBlurred: Boolean(state['features/blur'].blurEnabled),
+        _videoMuted: isLocalCameraTrackMuted(tracks)
     };
 }
 
 export default translate(connect(_mapStateToProps)(VideoBlurButton));
+