From 17f09d3b7a4eb800d0d2076cc906500aeb914cc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=A0imon=20Brandner?= <simon.bra.ag@gmail.com>
Date: Fri, 12 Feb 2021 15:16:07 +0100
Subject: [PATCH] Added onIsEmptyChanged prop
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
---
 src/components/views/rooms/SendMessageComposer.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/components/views/rooms/SendMessageComposer.js b/src/components/views/rooms/SendMessageComposer.js
index 553fb44c04..99761ec8ba 100644
--- a/src/components/views/rooms/SendMessageComposer.js
+++ b/src/components/views/rooms/SendMessageComposer.js
@@ -117,6 +117,7 @@ export default class SendMessageComposer extends React.Component {
         placeholder: PropTypes.string,
         permalinkCreator: PropTypes.object.isRequired,
         replyToEvent: PropTypes.object,
+        onIsEmptyChanged: PropTypes.func,
     };
 
     static contextType = MatrixClientContext;
@@ -534,10 +535,15 @@ export default class SendMessageComposer extends React.Component {
         }
     }
 
+    onChange = () => {
+        this.props.onIsEmptyChanged(this.model.isEmpty);
+    }
+
     render() {
         return (
             <div className="mx_SendMessageComposer" onClick={this.focusComposer} onKeyDown={this._onKeyDown}>
                 <BasicMessageComposer
+                    onChange={this.onChange}
                     ref={this._setEditorRef}
                     model={this.model}
                     room={this.props.room}