Fix disabled state for voice messages + send button tooltip

Fixes element-hq/element-web#18413

src/components/views/rooms/BasicMessageComposer.tsx

@@ -1,6 +1,5 @@
 /*
-Copyright 2019 New Vector Ltd
-Copyright 2019 The Matrix.org Foundation C.I.C.
+Copyright 2019 - 2021 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -725,7 +724,7 @@ export default class BasicMessageEditor extends React.Component<IProps, IState>
             <MessageComposerFormatBar ref={this.formatBarRef} onAction={this.onFormatAction} shortcuts={shortcuts} />
             <div
                 className={classes}
-                contentEditable="true"
+                contentEditable={this.props.disabled ? null : true}
                 tabIndex={0}
                 onBlur={this.onBlur}
                 onFocus={this.onFocus}

src/components/views/rooms/MessageComposer.tsx

@@ -58,14 +58,15 @@ function ComposerAvatar(props: IComposerAvatarProps) {
 
 interface ISendButtonProps {
     onClick: () => void;
+    title?: string; // defaults to something generic
 }
 
 function SendButton(props: ISendButtonProps) {
     return (
         <AccessibleTooltipButton
             className="mx_MessageComposer_sendMessage"
             onClick={props.onClick}
-            title={_t('Send message')}
+            title={props.title ?? _t('Send message')}
         />
     );
 }
@@ -401,7 +402,11 @@ export default class MessageComposer extends React.Component<IProps, IState> {
 
             if (!this.state.isComposerEmpty || this.state.haveRecording) {
                 controls.push(
-                    <SendButton key="controls_send" onClick={this.sendMessage} />,
+                    <SendButton
+                        key="controls_send"
+                        onClick={this.sendMessage}
+                        title={this.state.haveRecording ? _t("Send voice message") : undefined}
+                    />,
                 );
             }
         } else if (this.state.tombstone) {

src/i18n/strings/en_EN.json

@@ -1527,6 +1527,7 @@
     "Send a reply…": "Send a reply…",
     "Send an encrypted message…": "Send an encrypted message…",
     "Send a message…": "Send a message…",
+    "Send voice message": "Send voice message",
     "The conversation continues here.": "The conversation continues here.",
     "This room has been replaced and is no longer active.": "This room has been replaced and is no longer active.",
     "You do not have permission to post to this room": "You do not have permission to post to this room",
@@ -1701,7 +1702,6 @@
     "We were unable to access your microphone. Please check your browser settings and try again.": "We were unable to access your microphone. Please check your browser settings and try again.",
     "No microphone found": "No microphone found",
     "We didn't find a microphone on your device. Please check your settings and try again.": "We didn't find a microphone on your device. Please check your settings and try again.",
-    "Send voice message": "Send voice message",
     "Stop recording": "Stop recording",
     "Error updating main address": "Error updating main address",
     "There was an error updating the room's main address. It may not be allowed by the server or a temporary failure occurred.": "There was an error updating the room's main address. It may not be allowed by the server or a temporary failure occurred.",