send "recording" notifications when audio is being recorded

src/widgets/audio-recorder.jsx

@@ -10,7 +10,7 @@ import fixWebmDuration from 'webm-duration-fix';
 
 import { intArrayToBase64 } from '../lib/blob-helpers.js'
 import { secondsToTime } from '../lib/strformat';
-import { MAX_DURATION, MIN_DURATION } from '../config.js';
+import { KEYPRESS_DELAY, MAX_DURATION, MIN_DURATION } from '../config.js';
 
 // FFT resolution.
 const BUFFER_SIZE = 256;
@@ -86,6 +86,9 @@ class AudioRecorder extends React.PureComponent {
     this.startedOn = null;
     this.viewBuffer = [];
     this.canvasRef = React.createRef();
+
+    // Timestamp for sending "recording" notifications.
+    this.recordingTimestamp = 0;
   }
 
   componentDidMount() {
@@ -192,6 +195,13 @@ class AudioRecorder extends React.PureComponent {
       }
       // Actually draw the bars on canvas.
       this.canvasContext.stroke();
+
+      // Send notification, if needed.
+      const now = new Date().getTime();
+      if (now - this.recordingTimestamp > KEYPRESS_DELAY) {
+        this.props.onRecordingProgress();
+        this.recordingTimestamp = now;
+      }
     }
 
     drawFrame();
@@ -262,7 +272,7 @@ class AudioRecorder extends React.PureComponent {
 
     this.mediaRecorder.onstop = _ => {
       if (this.durationMillis > MIN_DURATION) {
-        this.getRecording(this.mediaRecorder.mimeType, this.durationMillis)
+        this.getRecording(this.mediaRecorder.mimeType)
           .then(result => this.props.onFinished(result.url, result.preview, this.durationMillis));
       } else {
         this.props.onDeleted();
@@ -289,11 +299,14 @@ class AudioRecorder extends React.PureComponent {
     this.startedOn = Date.now();
     this.mediaRecorder.start();
     this.visualize();
+
+    this.props.onRecordingProgress();
+    this.recordingTimestamp = this.startedOn;
   }
 
   // Obtain data in a form sutable for sending or playing back.
   // If duration is valid, apply fix for Chrome's WebM duration bug.
-  getRecording(mimeType, duration) {
+  getRecording(mimeType) {
     mimeType = mimeType || AUDIO_MIME_TYPE;
     let blob = new Blob(this.audioChunks, {type: mimeType});
     return fixWebmDuration(blob, mimeType)

src/widgets/send-message.jsx

@@ -68,10 +68,11 @@ class SendMessage extends React.PureComponent {
       message: '',
       audioRec: false,
       audioAvailable: !!(navigator.mediaDevices && navigator.mediaDevices.getUserMedia),
-      // Make initial keypress time as if it happened 5001 milliseconds in the past.
-      keypressTimestamp: new Date().getTime() - KEYPRESS_DELAY - 1
     };
 
+    // Timestamp when the previous key press was sent to the server.
+    this.keypressTimestamp = 0;
+
     this.handlePasteEvent = this.handlePasteEvent.bind(this);
     this.handleAttachImage = this.handleAttachImage.bind(this);
     this.handleAttachFile = this.handleAttachFile.bind(this);
@@ -194,15 +195,14 @@ class SendMessage extends React.PureComponent {
   }
 
   handleMessageTyping(e) {
-    const newState = {message: e.target.value};
+    this.setState({message: e.target.value});
     if (this.props.onKeyPress) {
       const now = new Date().getTime();
-      if (now - this.state.keypressTimestamp > KEYPRESS_DELAY) {
+      if (now - this.keypressTimestamp > KEYPRESS_DELAY) {
         this.props.onKeyPress();
-        newState.keypressTimestamp = now;
+        this.keypressTimestamp = now;
       }
     }
-    this.setState(newState);
   }
 
   handleQuoteClick(e) {
@@ -255,6 +255,7 @@ class SendMessage extends React.PureComponent {
                 (this.state.audioRec ?
                   (<Suspense fallback={<div>Loading...</div>}>
                     <AudioRecorder
+                      onRecordingProgress={_ => this.props.onKeyPress(true)}
                       onDeleted={_ => this.setState({audioRec: false})}
                       onFinished={this.handleAttachAudio}/>
                   </Suspense>) :
@@ -262,7 +263,7 @@ class SendMessage extends React.PureComponent {
                     value={this.state.message}
                     onChange={this.handleMessageTyping}
                     onKeyPress={this.handleKeyPress}
-                    ref={(ref) => {this.messageEditArea = ref;}}
+                    ref={ref => {this.messageEditArea = ref;}}
                     autoFocus />)}
               {this.state.message || !audioEnabled ?
                 <a href="#" onClick={this.handleSend} title={formatMessage(messages.icon_title_send)}>