feat: enhance waveform animation, extraction flexibility and state management

example/lib/chat_bubble.dart

@@ -102,11 +102,18 @@ class _WaveBubbleState extends State<WaveBubble> {
     if (widget.index == null && widget.path == null && file?.path == null) {
       return;
     }
+    late final WaveformExtractionType waveformExtractionType;
+    if (widget.index != null) {
+      waveformExtractionType = widget.index!.isEven
+          ? WaveformExtractionType.extractAsync
+          : WaveformExtractionType.noExtraction;
+    } else {
+      waveformExtractionType = WaveformExtractionType.extractAsync;
+    }
     // Prepare player with extracting waveform if index is even.
     controller.preparePlayer(
-      path: widget.path ?? file!.path,
-      shouldExtractWaveform: widget.index?.isEven ?? true,
-    );
+        path: widget.path ?? file!.path,
+        waveformExtractionType: waveformExtractionType);
     // Extracting waveform separately if index is odd.
     if (widget.index?.isOdd ?? false) {
       controller.waveformExtraction

ios/Classes/WaveformExtractor.swift

@@ -110,7 +110,7 @@ public class WaveformExtractor {
                 )
             }
 
-            let progress = Float(i - startIndex + 1) / Float(endIndex - startIndex)
+            progress = Float(i - startIndex + 1) / Float(endIndex - startIndex)
             await sendWaveformDataToFlutter(
                 waveformStorage: waveformStorage,
                 progress: progress,

lib/audio_waveforms.dart

@@ -10,3 +10,4 @@ export 'src/controllers/recorder_controller.dart';
 export 'src/models/android_encoder_settings.dart';
 export 'src/models/ios_encoder_setting.dart';
 export 'src/models/recorder_settings.dart';
+export 'src/enums/waveform_extraction_type.dart';

lib/src/audio_file_waveforms.dart

@@ -46,7 +46,8 @@ class AudioFileWaveforms extends StatefulWidget {
   /// If decoration is used then use color in it.
   final Color? backgroundColor;
 
-  /// Duration for animation. Defaults to 500 milliseconds.
+  /// Duration for animation. If set to Duration.zero, no animation will occur.
+  /// Defaults to 500 milliseconds.
   final Duration animationDuration;
 
   /// Curve for animation. Defaults to Curves.easeIn
@@ -144,18 +145,26 @@ class _AudioFileWaveformsState extends State<AudioFileWaveforms>
   void initState() {
     super.initState();
     _initialiseVariables();
-    _growingWaveController = AnimationController(
-      vsync: this,
-      duration: widget.animationDuration,
-    );
-    _growAnimation = CurvedAnimation(
-      parent: _growingWaveController,
-      curve: widget.animationCurve,
-    );
 
-    _growingWaveController
-      ..forward()
-      ..addListener(_updateGrowAnimationProgress);
+    if (widget.animationDuration == Duration.zero) {
+      _growAnimationProgress = 1.0;
+    } else {
+      _growingWaveController = AnimationController(
+        vsync: this,
+        duration: widget.animationDuration,
+      );
+      _growAnimation = CurvedAnimation(
+        parent: _growingWaveController,
+        curve: widget.animationCurve,
+      );
+
+      _growingWaveController
+        ..forward()
+        ..addListener(_updateGrowAnimationProgress);
+    }
+
+    _initializeAudioProgress();
+
     onCurrentDurationSubscription =
         playerController.onCurrentDurationChanged.listen((event) {
       _seekProgress.value = event;
@@ -188,10 +197,50 @@ class _AudioFileWaveformsState extends State<AudioFileWaveforms>
     onCurrentExtractedWaveformData?.cancel();
     onCompletionSubscription.cancel();
     playerController.removeListener(_addWaveformDataFromController);
-    _growingWaveController.dispose();
+
+    if (widget.animationDuration != Duration.zero) {
+      _growingWaveController.dispose();
+    }
+
     super.dispose();
   }
 
+  @override
+  void didUpdateWidget(AudioFileWaveforms oldWidget) {
+    super.didUpdateWidget(oldWidget);
+
+    // Vérifier si les waveformData ont changé
+    if (widget.waveformData != oldWidget.waveformData) {
+      if (widget.waveformData.isNotEmpty) {
+        _addWaveformData(widget.waveformData);
+      }
+    }
+
+    // Vérifier si d'autres propriétés importantes ont changé
+    if (widget.playerWaveStyle != oldWidget.playerWaveStyle ||
+        widget.size != oldWidget.size ||
+        widget.waveformType != oldWidget.waveformType) {
+      if (mounted) setState(() {});
+    }
+
+    // Mettre à jour les variables si nécessaire
+    if (widget.margin != oldWidget.margin ||
+        widget.padding != oldWidget.padding ||
+        widget.decoration != oldWidget.decoration ||
+        widget.backgroundColor != oldWidget.backgroundColor ||
+        widget.animationDuration != oldWidget.animationDuration ||
+        widget.animationCurve != oldWidget.animationCurve ||
+        widget.clipBehavior != oldWidget.clipBehavior) {
+      margin = widget.margin;
+      padding = widget.padding;
+      decoration = widget.decoration;
+      backgroundColor = widget.backgroundColor;
+      animationDuration = widget.animationDuration;
+      animationCurve = widget.animationCurve;
+      clipBehavior = widget.clipBehavior;
+    }
+  }
+
   double _audioProgress = 0.0;
   double _cachedAudioProgress = 0.0;
 
@@ -406,4 +455,16 @@ class _AudioFileWaveformsState extends State<AudioFileWaveforms>
       }
     });
   }
+
+  Future<void> _initializeAudioProgress() async {
+    if (playerController.playerState == PlayerState.paused &&
+        playerController.maxDuration > 0) {
+      final currentPosition =
+          await playerController.getDuration(DurationType.current);
+      if (currentPosition > 0) {
+        _seekProgress.value = currentPosition;
+        _updatePlayerPercent();
+      }
+    }
+  }
 }

lib/src/controllers/player_controller.dart

@@ -127,7 +127,8 @@ class PlayerController extends ChangeNotifier {
   Future<void> preparePlayer({
     required String path,
     double? volume,
-    bool shouldExtractWaveform = true,
+    WaveformExtractionType waveformExtractionType =
+        WaveformExtractionType.noExtraction,
     int noOfSamples = 100,
   }) async {
     path = Uri.parse(path).path;
@@ -143,20 +144,18 @@ class PlayerController extends ChangeNotifier {
       _setPlayerState(PlayerState.initialized);
     }
 
-    if (shouldExtractWaveform) {
-      waveformExtraction
-          .extractWaveformData(
+    if (waveformExtractionType != WaveformExtractionType.noExtraction) {
+      var extraction = waveformExtraction.extractWaveformData(
         path: path,
         noOfSamples: noOfSamples,
-      )
-          .then(
-        (value) {
+      )..then((values) {
           waveformExtraction.waveformData
             ..clear()
-            ..addAll(value);
-          notifyListeners();
-        },
-      );
+            ..addAll(values);
+        });
+      if (waveformExtractionType == WaveformExtractionType.extractSync) {
+        await extraction;
+      }
     }
     notifyListeners();
   }

lib/src/controllers/waveform_extraction_controller.dart

@@ -29,7 +29,7 @@ class WaveformExtractionController {
 
   /// This returns waveform data which can be used by [AudioFileWaveforms]
   /// to display waveforms.
-  List<double> get waveformData => _waveformData.toList();
+  List<double> get waveformData => _waveformData;
 
   /// A stream to get current extracted waveform data. This stream will emit
   /// list of doubles which are waveform data point.

lib/src/enums/waveform_extraction_type.dart

@@ -0,0 +1,10 @@
+enum WaveformExtractionType {
+  /// No waveform extraction will be performed.
+  noExtraction,
+
+  /// Extract waveform data asynchronously without waiting for the result.
+  extractAsync,
+
+  /// Extract waveform data and wait until it's completed before continuing.
+  extractSync,
+}