refactor: voice_*-Prefs hinter VoicePrefs-Fassade in settings_prefs (M2 storage-Leitplanke, gleiche Keys/Semantik)

CHANGES.md

@@ -1392,3 +1392,21 @@
 2026-07-06 12:44 [Edit] C:\Users\nordm\pyramid - Kopie\docs\PC_TESTPLAN.md
 2026-07-06 12:44 [Edit] C:\Users\nordm\pyramid - Kopie\ROADMAP.md
 2026-07-06 12:45 [Edit] C:\Users\nordm\pyramid - Kopie\PROGRESS.md
+2026-07-06 16:58 [Edit] C:\Users\nordm\pyramid - Kopie\docs\PC_TESTPLAN.md
+2026-07-06 16:59 [Edit] C:\Users\nordm\pyramid - Kopie\PROGRESS.md
+2026-07-06 17:01 [Edit] C:\Users\nordm\pyramid - Kopie\lib\features\rooms\rooms_panel.dart
+2026-07-06 17:01 [Edit] C:\Users\nordm\pyramid - Kopie\lib\layout\app_shell.dart
+2026-07-06 17:05 [Edit] C:\Users\nordm\pyramid - Kopie\lib\core\settings_prefs.dart
+2026-07-06 17:05 [Edit] C:\Users\nordm\pyramid - Kopie\lib\features\call_signaling\voip_manager.dart
+2026-07-06 17:05 [Edit] C:\Users\nordm\pyramid - Kopie\lib\features\call_signaling\voip_manager.dart
+2026-07-06 17:05 [Edit] C:\Users\nordm\pyramid - Kopie\lib\features\voice_channel\livekit_call_manager.dart
+2026-07-06 17:05 [Edit] C:\Users\nordm\pyramid - Kopie\lib\features\call_signaling\voip_manager.dart
+2026-07-06 17:05 [Edit] C:\Users\nordm\pyramid - Kopie\lib\features\voice_channel\livekit_call_manager.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings\settings_voice.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings\settings_voice.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings\settings_voice.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings\settings_voice.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings\settings_voice.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings\settings_voice.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings\settings_voice.dart
+2026-07-06 17:06 [Edit] C:\Users\nordm\pyramid - Kopie\lib\widgets\settings_modal.dart

lib/core/settings_prefs.dart

@@ -90,6 +90,56 @@ final privacyReadReceiptsProvider =
 final privacyTypingProvider =
     StateNotifierProvider<BoolPref, bool>((ref) => BoolPref('privacy_typing', true));
 
+// ── Voice preferences ────────────────────────────────────────────────────────
+// Geschrieben von der Settings-Voice-Sektion, gelesen von den Call-Modulen
+// (call_signaling, voice_channel). Die historischen voice_*-Keys bleiben
+// unverändert, damit bestehende Nutzer-Einstellungen erhalten bleiben.
+
+class VoicePrefs {
+  VoicePrefs._();
+
+  static const _kMic = 'voice_mic_device';
+  static const _kSpeaker = 'voice_speaker_device';
+  static const _kCamera = 'voice_camera_device';
+  static const _kOutputVolume = 'voice_output_volume';
+
+  static Future<double> loadOutputVolume() async {
+    final p = await SharedPreferences.getInstance();
+    return p.getDouble(_kOutputVolume) ?? 1.0;
+  }
+
+  static Future<void> saveOutputVolume(double v) async {
+    final p = await SharedPreferences.getInstance();
+    await p.setDouble(_kOutputVolume, v);
+  }
+
+  /// Gewählte Geräte-IDs; null = kein Pref gesetzt (System-Standard nutzen).
+  static Future<({String? mic, String? speaker, String? camera})>
+      loadDevices() async {
+    final p = await SharedPreferences.getInstance();
+    return (
+      mic: p.getString(_kMic),
+      speaker: p.getString(_kSpeaker),
+      camera: p.getString(_kCamera),
+    );
+  }
+
+  static Future<void> saveMic(String? deviceId) => _saveDevice(_kMic, deviceId);
+  static Future<void> saveSpeaker(String? deviceId) =>
+      _saveDevice(_kSpeaker, deviceId);
+  static Future<void> saveCamera(String? deviceId) =>
+      _saveDevice(_kCamera, deviceId);
+
+  static Future<void> _saveDevice(String key, String? deviceId) async {
+    final p = await SharedPreferences.getInstance();
+    if (deviceId == null || deviceId.isEmpty) {
+      await p.remove(key);
+    } else {
+      await p.setString(key, deviceId);
+    }
+  }
+}
+
 // ── Theme persistence helpers ────────────────────────────────────────────────
 
 Future<void> saveThemePrefs({

lib/features/call_signaling/voip_manager.dart

@@ -3,9 +3,9 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 import 'package:matrix/matrix.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:webrtc_interface/webrtc_interface.dart';
 import 'package:pyramid/core/ice_servers.dart';
+import 'package:pyramid/core/settings_prefs.dart';
 import 'package:pyramid/features/call_signaling/call_signaling_service.dart';
 import 'package:pyramid/widgets/screen_share_picker.dart';
 
@@ -272,8 +272,7 @@ class PyramidVoipManager extends CallSignalingService
     var v = value;
     if (v == null) {
       try {
-        final prefs = await SharedPreferences.getInstance();
+        v = await VoicePrefs.loadOutputVolume();
-        v = prefs.getDouble('voice_output_volume') ?? 1.0;
       } catch (_) {
         v = 1.0;
       }
@@ -467,10 +466,10 @@ class MediaDevicesWrapper extends MediaDevices {
     // In den Einstellungen gewählte Geräte (voice_*_device Prefs) anwenden —
     // nur wenn kein Screenshare-Source gesetzt ist (sonst nicht anfassen).
     try {
-      final prefs = await SharedPreferences.getInstance();
+      final devicePrefs = await VoicePrefs.loadDevices();
-      final mic = prefs.getString('voice_mic_device');
+      final mic = devicePrefs.mic;
-      final cam = prefs.getString('voice_camera_device');
+      final cam = devicePrefs.camera;
-      final speaker = prefs.getString('voice_speaker_device');
+      final speaker = devicePrefs.speaker;
       if (mic != null &&
           improvedConstraints['audio'] != null &&
           improvedConstraints['audio'] != false) {

lib/features/voice_channel/livekit_call_manager.dart

@@ -6,8 +6,8 @@ import 'package:livekit_client/livekit_client.dart';
 import 'package:matrix/matrix.dart' hide Room;
 import 'package:pyramid/core/ice_servers.dart';
 import 'package:pyramid/core/livekit_token.dart';
+import 'package:pyramid/core/settings_prefs.dart';
 import 'package:pyramid/features/voice_channel/voice_channel_service.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 const _kVoicePresenceType = 'io.pyramid.voice.presence';
 
@@ -260,11 +260,11 @@ class LiveKitCallManager extends VoiceChannelService {
       String? prefMic, prefSpeaker, prefCam;
       var deviceIds = <String>{};
       try {
-        final prefs = await SharedPreferences.getInstance();
+        _outputVolume = await VoicePrefs.loadOutputVolume();
-        _outputVolume = prefs.getDouble('voice_output_volume') ?? 1.0;
+        final devicePrefs = await VoicePrefs.loadDevices();
-        prefMic = prefs.getString('voice_mic_device');
+        prefMic = devicePrefs.mic;
-        prefSpeaker = prefs.getString('voice_speaker_device');
+        prefSpeaker = devicePrefs.speaker;
-        prefCam = prefs.getString('voice_camera_device');
+        prefCam = devicePrefs.camera;
         final devices = await rtc.navigator.mediaDevices.enumerateDevices();
         deviceIds = devices.map((d) => d.deviceId).toSet();
       } catch (e) {

lib/widgets/settings/settings_voice.dart

@@ -19,11 +19,6 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
   bool _loading = true;
   String? _loadError;
 
-  static const _kMic = 'voice_mic_device';
-  static const _kSpeaker = 'voice_speaker_device';
-  static const _kCamera = 'voice_camera_device';
-  static const _kOutputVolume = 'voice_output_volume';
-
   @override
   void initState() {
     super.initState();
@@ -31,7 +26,8 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
   }
 
   Future<void> _init() async {
-    final prefs = await SharedPreferences.getInstance();
+    final devicePrefs = await VoicePrefs.loadDevices();
+    final outputVolume = await VoicePrefs.loadOutputVolume();
     List<MediaDeviceInfo> devices = [];
     String? loadError;
     try {
@@ -76,10 +72,10 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
       _audioInputs = devices.where((d) => d.kind?.toLowerCase() == 'audioinput').toList();
       _audioOutputs = devices.where((d) => d.kind?.toLowerCase() == 'audiooutput').toList();
       _videoInputs = devices.where((d) => d.kind?.toLowerCase() == 'videoinput').toList();
-      _selectedMic = prefs.getString(_kMic);
+      _selectedMic = devicePrefs.mic;
-      _selectedSpeaker = prefs.getString(_kSpeaker);
+      _selectedSpeaker = devicePrefs.speaker;
-      _selectedCamera = prefs.getString(_kCamera);
+      _selectedCamera = devicePrefs.camera;
-      _outputVolume = prefs.getDouble(_kOutputVolume) ?? 1.0;
+      _outputVolume = outputVolume;
       _loadError = loadError;
       _loading = false;
     });
@@ -87,8 +83,7 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
 
   Future<void> _setOutputVolume(double v) async {
     setState(() => _outputVolume = v);
-    final prefs = await SharedPreferences.getInstance();
+    await VoicePrefs.saveOutputVolume(v);
-    await prefs.setDouble(_kOutputVolume, v);
     // Live auf laufende Calls anwenden (über die Modul-Fassaden).
     ref.read(voiceChannelProvider).setOutputVolume(v).catchError((_) {});
     try {
@@ -96,15 +91,6 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
     } catch (_) {} // Instanz existiert evtl. noch nicht
   }
 
-  Future<void> _save(String key, String? value) async {
-    final prefs = await SharedPreferences.getInstance();
-    if (value == null || value.isEmpty) {
-      await prefs.remove(key);
-    } else {
-      await prefs.setString(key, value);
-    }
-  }
-
   Widget _deviceDropdown({
     required List<MediaDeviceInfo> devices,
     required String? selected,
@@ -227,7 +213,7 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
                   icon: Icons.mic_rounded,
                   onChanged: (v) {
                     setState(() => _selectedMic = v);
-                    _save(_kMic, v);
+                    VoicePrefs.saveMic(v);
                   },
                 ),
               ),
@@ -243,7 +229,7 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
                   icon: Icons.volume_up_rounded,
                   onChanged: (v) {
                     setState(() => _selectedSpeaker = v);
-                    _save(_kSpeaker, v);
+                    VoicePrefs.saveSpeaker(v);
                   },
                 ),
               ),
@@ -259,7 +245,7 @@ class _VoiceSectionState extends ConsumerState<_VoiceSection> {
                   icon: Icons.videocam_rounded,
                   onChanged: (v) {
                     setState(() => _selectedCamera = v);
-                    _save(_kCamera, v);
+                    VoicePrefs.saveCamera(v);
                   },
                 ),
               ),

lib/widgets/settings_modal.dart

@@ -36,7 +36,6 @@ import 'package:pyramid/widgets/banner_crop_dialog.dart';
 import 'package:pyramid/widgets/hover_region.dart';
 import 'package:pyramid/widgets/mxc_image.dart';
 import 'package:pyramid/widgets/pyramid_loader.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 part 'settings/settings_shared.dart';
 part 'settings/settings_profile.dart';