#4094 - Redrawing waveforms on bound changes.

Riot/Modules/Room/VoiceMessages/VoiceMessageAttachmentCacheManager.swift

@@ -105,6 +105,7 @@ class VoiceMessageAttachmentCacheManager {
                     
                     if var existingSamples = self.samples[identifier] {
                         existingSamples[numberOfSamples] = samples
+                        self.samples[identifier] = existingSamples
                     } else {
                         self.samples[identifier] = [numberOfSamples: samples]
                     }

Riot/Modules/Room/VoiceMessages/VoiceMessagePlaybackController.swift

@@ -87,6 +87,10 @@ class VoiceMessagePlaybackController: VoiceMessageAudioPlayerDelegate, VoiceMess
         }
     }
     
+    func voiceMessagePlaybackViewDidChangeWidth() {
+        loadAttachmentData()
+    }
+    
     // MARK: - VoiceMessageAudioPlayerDelegate
     
     func audioPlayerDidFinishLoading(_ audioPlayer: VoiceMessageAudioPlayer) {

Riot/Modules/Room/VoiceMessages/VoiceMessagePlaybackView.swift

@@ -19,6 +19,7 @@ import Reusable
 
 protocol VoiceMessagePlaybackViewDelegate: AnyObject {
     func voiceMessagePlaybackViewDidRequestPlaybackToggle()
+    func voiceMessagePlaybackViewDidChangeWidth()
 }
 
 struct VoiceMessagePlaybackViewDetails {
@@ -54,6 +55,14 @@ class VoiceMessagePlaybackView: UIView, NibLoadable, Themable {
         return _waveformView
     }
     
+    override var bounds: CGRect {
+        didSet {
+            if oldValue.width != bounds.width {
+                delegate?.voiceMessagePlaybackViewDidChangeWidth()
+            }
+        }
+    }
+    
     override func awakeFromNib() {
         super.awakeFromNib()
         

Riot/Modules/Room/VoiceMessages/VoiceMessageToolbarView.swift

@@ -189,6 +189,10 @@ class VoiceMessageToolbarView: PassthroughView, NibLoadable, Themable, UIGesture
         delegate?.voiceMessageToolbarViewDidRequestPlaybackToggle(self)
     }
     
+    func voiceMessagePlaybackViewDidChangeWidth() {
+        
+    }
+    
     // MARK: - Private
     
     @objc private func handleLongPress(_ gestureRecognizer: UILongPressGestureRecognizer) {