Restore voice information grid

lib/screens/mapflow_shell.dart

@@ -733,6 +733,7 @@ class _AddExperienceFlowState extends ConsumerState<AddExperienceFlow> {
       noiseSuppress: true,
     ),
   );
+  final _voiceSamples = List<double>.filled(160, 0.0);
 
   Future<List<PlaceRecommendation>>? _nearbyPlacesFuture;
   StreamSubscription<Amplitude>? _amplitudeSub;
@@ -790,6 +791,7 @@ class _AddExperienceFlowState extends ConsumerState<AddExperienceFlow> {
       _recording = true;
       _liveLevel = 0;
       _informationUnits = 0;
+      _voiceSamples.fillRange(0, _voiceSamples.length, 0);
     });
   }
 
@@ -814,6 +816,9 @@ class _AddExperienceFlowState extends ConsumerState<AddExperienceFlow> {
     final informationDelta = _consumeInformationDelta(level, now);
 
     setState(() {
+      _voiceSamples
+        ..removeAt(0)
+        ..add(level);
       _liveLevel = _smoothLevel(_liveLevel, level);
       _informationUnits = math.min(
         _minimumInformationUnits,
@@ -870,7 +875,7 @@ class _AddExperienceFlowState extends ConsumerState<AddExperienceFlow> {
         isRecording: _recording,
         isSubmitting: _submitting,
         micAllowed: _micAllowed,
-        waveController: _waveController,
+        samples: _voiceSamples,
         liveLevel: _liveLevel,
         canContinue: widget.hasTelegramAuth && informationProgress >= 1,
         onToggleRecording: _toggleRecording,
@@ -1069,7 +1074,7 @@ class _VoiceStep extends StatelessWidget {
     required this.isRecording,
     required this.isSubmitting,
     required this.micAllowed,
-    required this.waveController,
+    required this.samples,
     required this.liveLevel,
     required this.canContinue,
     required this.onToggleRecording,
@@ -1082,7 +1087,7 @@ class _VoiceStep extends StatelessWidget {
   final bool isRecording;
   final bool isSubmitting;
   final bool micAllowed;
-  final WaveformRecorderController waveController;
+  final List<double> samples;
   final double liveLevel;
   final bool canContinue;
   final Future<void> Function() onToggleRecording;
@@ -1090,7 +1095,7 @@ class _VoiceStep extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final showNext = canContinue && !isRecording;
+    final canFinish = canContinue && !isRecording;
 
     return Column(
       children: [
@@ -1108,8 +1113,8 @@ class _VoiceStep extends StatelessWidget {
         ],
         Expanded(
           child: Center(
-            child: _LibraryWaveSurface(
+            child: _VoiceInformationField(
-              controller: waveController,
+              samples: samples,
               active: isRecording,
               progress: informationProgress,
               liveLevel: liveLevel,
@@ -1125,29 +1130,13 @@ class _VoiceStep extends StatelessWidget {
               size: 22,
             ),
           ),
-        AnimatedSwitcher(
-          duration: const Duration(milliseconds: 180),
-          child: showNext
-              ? Padding(
-                  key: const ValueKey('next'),
-                  padding: const EdgeInsets.only(bottom: 14),
-                  child: FilledButton(
-                    style: FilledButton.styleFrom(
-                      backgroundColor: Colors.white,
-                      foregroundColor: const Color(0xFF090613),
-                    ),
-                    onPressed: isSubmitting ? null : onNext,
-                    child: Text(isSubmitting ? 'Отправляем' : 'Далее'),
-                  ),
-                )
-              : const SizedBox.shrink(key: ValueKey('empty-next')),
-        ),
         _VoiceRecordButton(
           progress: informationProgress,
           liveLevel: liveLevel,
           isRecording: isRecording,
+          canFinish: canFinish,
           enabled: hasTelegramAuth && !isSubmitting,
-          onPressed: onToggleRecording,
+          onPressed: canFinish ? onNext : onToggleRecording,
         ),
       ],
     );
@@ -1159,6 +1148,7 @@ class _VoiceRecordButton extends StatefulWidget {
     required this.progress,
     required this.liveLevel,
     required this.isRecording,
+    required this.canFinish,
     required this.enabled,
     required this.onPressed,
   });
@@ -1166,8 +1156,9 @@ class _VoiceRecordButton extends StatefulWidget {
   final double progress;
   final double liveLevel;
   final bool isRecording;
+  final bool canFinish;
   final bool enabled;
-  final Future<void> Function() onPressed;
+  final VoidCallback onPressed;
 
   @override
   State<_VoiceRecordButton> createState() => _VoiceRecordButtonState();
@@ -1264,7 +1255,7 @@ class _VoiceRecordButtonState extends State<_VoiceRecordButton>
           width: 120,
           height: 120,
           child: FilledButton(
-            onPressed: widget.enabled ? () => widget.onPressed() : null,
+            onPressed: widget.enabled ? widget.onPressed : null,
             style: FilledButton.styleFrom(
               backgroundColor: Colors.white,
               foregroundColor: const Color(0xFF090613),
@@ -1275,7 +1266,11 @@ class _VoiceRecordButtonState extends State<_VoiceRecordButton>
               elevation: 0,
             ),
             child: Icon(
-              widget.isRecording ? Icons.pause_rounded : Icons.mic_rounded,
+              widget.canFinish
+                  ? Icons.check_rounded
+                  : widget.isRecording
+                  ? Icons.pause_rounded
+                  : Icons.mic_rounded,
               size: 48,
             ),
           ),
@@ -1285,15 +1280,15 @@ class _VoiceRecordButtonState extends State<_VoiceRecordButton>
   }
 }
 
-class _LibraryWaveSurface extends StatelessWidget {
+class _VoiceInformationField extends StatelessWidget {
-  const _LibraryWaveSurface({
+  const _VoiceInformationField({
-    required this.controller,
+    required this.samples,
     required this.active,
     required this.progress,
     required this.liveLevel,
   });
 
-  final WaveformRecorderController controller;
+  final List<double> samples;
   final bool active;
   final double progress;
   final double liveLevel;
@@ -1310,14 +1305,14 @@ class _LibraryWaveSurface extends StatelessWidget {
               BoxShadow(
                 color: const Color(
                   0xFFFF2D75,
-                ).withValues(alpha: active ? 0.20 + liveLevel * 0.18 : 0.06),
+                ).withValues(alpha: active ? 0.18 + liveLevel * 0.18 : 0.06),
                 blurRadius: 110,
                 spreadRadius: 24,
               ),
               BoxShadow(
                 color: const Color(
                   0xFF38F5D3,
-                ).withValues(alpha: active ? 0.10 + liveLevel * 0.12 : 0.04),
+                ).withValues(alpha: active ? 0.08 + liveLevel * 0.10 : 0.03),
                 blurRadius: 130,
                 spreadRadius: 14,
               ),
@@ -1325,122 +1320,141 @@ class _LibraryWaveSurface extends StatelessWidget {
           ),
           child: const SizedBox.square(dimension: 210),
         ),
-        Positioned.fill(
+        LayoutBuilder(
-          child: Padding(
+          builder: (context, constraints) {
-            padding: const EdgeInsets.symmetric(horizontal: 4),
+            return CustomPaint(
-            child: active
+              size: Size(
-                ? AnimatedWaveList(
+                constraints.maxWidth,
-                    key: ValueKey(controller.startTime),
+                constraints.maxHeight.clamp(300.0, 520.0),
-                    stream: controller.amplitudeStream,
+              ),
-                    barBuilder: (animation, amplitude) => _VoiceWaveBar(
+              painter: _VoiceInformationPainter(
-                      animation: animation,
+                samples: samples,
-                      amplitude: amplitude,
+                active: active,
                 progress: progress,
+                liveLevel: liveLevel,
               ),
-                  )
+            );
-                : _IdleWaveBars(progress: progress),
+          },
-          ),
         ),
       ],
     );
   }
 }
 
-class _VoiceWaveBar extends StatelessWidget {
+class _VoiceInformationPainter extends CustomPainter {
-  const _VoiceWaveBar({
+  const _VoiceInformationPainter({
-    required this.animation,
+    required this.samples,
-    required this.amplitude,
+    required this.active,
     required this.progress,
+    required this.liveLevel,
   });
 
-  final Animation<double> animation;
+  final List<double> samples;
-  final Amplitude amplitude;
+  final bool active;
   final double progress;
+  final double liveLevel;
 
   @override
-  Widget build(BuildContext context) {
+  void paint(Canvas canvas, Size size) {
-    final level = _amplitudeLevel(amplitude.current);
+    const columns = 18;
-    final height = 14 + level * 210;
+    const rows = 12;
-    final color = Color.lerp(
+    const gap = 6.0;
-      Colors.white.withValues(alpha: 0.28),
+    final cellSize = math
-      const Color(0xFFFF2D75),
+        .min(
-      progress.clamp(0.0, 1.0),
+          (size.width - gap * (columns - 1)) / columns,
-    )!;
+          (size.height - gap * (rows - 1)) / rows,
+        )
+        .clamp(8.0, 22.0);
+    final gridWidth = columns * cellSize + (columns - 1) * gap;
+    final gridHeight = rows * cellSize + (rows - 1) * gap;
+    final startX = (size.width - gridWidth) / 2;
+    final startY = (size.height - gridHeight) / 2;
+    final totalCells = columns * rows;
+    final activeCells = (progress * totalCells).round();
 
-    return SizeTransition(
+    final backgroundPaint = Paint()
-      sizeFactor: animation,
+      ..color = Colors.white.withValues(alpha: 0.10)
-      axis: Axis.horizontal,
+      ..style = PaintingStyle.fill;
-      child: Align(
+    final borderPaint = Paint()
-        alignment: Alignment.center,
+      ..color = Colors.white.withValues(alpha: 0.05)
-        child: Container(
+      ..style = PaintingStyle.stroke
-          width: 5,
+      ..strokeWidth = 1;
-          height: height,
+    final glowPaint = Paint()
-          margin: const EdgeInsets.symmetric(horizontal: 2.5),
+      ..color = const Color(0xFFFF2D75).withValues(alpha: active ? 0.18 : 0.08)
-          decoration: BoxDecoration(
+      ..maskFilter = const MaskFilter.blur(BlurStyle.normal, 18);
-            borderRadius: BorderRadius.circular(20),
+
-            gradient: LinearGradient(
+    for (var row = 0; row < rows; row++) {
-              begin: Alignment.bottomCenter,
+      for (var column = 0; column < columns; column++) {
-              end: Alignment.topCenter,
+        final cellIndex = row * columns + column;
+        final sampleIndex = samples.isEmpty
+            ? 0
+            : ((cellIndex / (totalCells - 1)) * (samples.length - 1)).round();
+        final signal = samples.isEmpty
+            ? 0.0
+            : samples[sampleIndex].clamp(0.0, 1.0);
+        final filled = _cellOrder(cellIndex, totalCells) < activeCells;
+        final x = startX + column * (cellSize + gap);
+        final y = startY + row * (cellSize + gap);
+        final rect = RRect.fromRectAndRadius(
+          Rect.fromLTWH(x, y, cellSize, cellSize),
+          const Radius.circular(4),
+        );
+
+        canvas.drawRRect(rect, backgroundPaint);
+        canvas.drawRRect(rect, borderPaint);
+
+        final centerDistance = (row - (rows - 1) / 2).abs();
+        final columnSignal = (signal * 0.80 + liveLevel * 0.20).clamp(0.0, 1.0);
+        final waveReach = 0.5 + columnSignal * rows * 0.42;
+        final inWave =
+            centerDistance <= waveReach + _hashUnit(cellIndex) * 0.55;
+        if (inWave) {
+          canvas.drawRRect(
+            rect,
+            Paint()
+              ..color = Colors.white.withValues(
+                alpha: active
+                    ? 0.09 + columnSignal * 0.18
+                    : 0.06 + columnSignal * 0.06,
+              ),
+          );
+        }
+
+        if (filled) {
+          final paint = Paint()
+            ..shader = LinearGradient(
+              begin: Alignment.bottomLeft,
+              end: Alignment.topRight,
               colors: [
-                color.withValues(alpha: 0.42),
+                const Color(
-                color,
+                  0xFFE11D48,
-                const Color(0xFFFF7A90),
+                ).withValues(alpha: 0.76 + columnSignal * 0.18),
+                const Color(
+                  0xFFFF6B8A,
+                ).withValues(alpha: 0.56 + columnSignal * 0.18),
               ],
-            ),
+            ).createShader(rect.outerRect)
-            boxShadow: [
+            ..style = PaintingStyle.fill;
-              BoxShadow(
+          canvas.drawRRect(rect.inflate(1.2 + columnSignal * 1.8), glowPaint);
-                color: color.withValues(alpha: 0.38),
+          canvas.drawRRect(rect, paint);
-                blurRadius: 18,
+        }
-                spreadRadius: 1,
-              ),
-            ],
-          ),
-        ),
-      ),
-    );
       }
-
-  double _amplitudeLevel(double db) {
-    final normalized = ((db.clamp(-76.0, -6.0) + 76.0) / 70.0).clamp(0.0, 1.0);
-    return math.pow(normalized, 0.62).toDouble();
     }
   }
 
-class _IdleWaveBars extends StatelessWidget {
+  int _cellOrder(int index, int total) => ((index + 11) * 73) % total;
-  const _IdleWaveBars({required this.progress});
 
-  final double progress;
+  double _hashUnit(int index) {
+    final value = math.sin(index * 12.9898 + 78.233) * 43758.5453;
+    return value - value.floorToDouble();
+  }
 
   @override
-  Widget build(BuildContext context) {
+  bool shouldRepaint(covariant _VoiceInformationPainter oldDelegate) {
-    final color = Color.lerp(
+    return oldDelegate.samples != samples ||
-      Colors.white.withValues(alpha: 0.18),
+        oldDelegate.active != active ||
-      const Color(0xFFFF2D75),
+        oldDelegate.progress != progress ||
-      progress.clamp(0.0, 1.0),
+        oldDelegate.liveLevel != liveLevel;
-    )!;
-
-    return Center(
-      child: SizedBox(
-        height: 220,
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.center,
-          crossAxisAlignment: CrossAxisAlignment.center,
-          children: List.generate(26, (index) {
-            final distance = (index - 12.5).abs();
-            final height = 18 + math.max(0.0, 1 - distance / 13) * 56;
-            return Container(
-              width: 4,
-              height: height,
-              margin: const EdgeInsets.symmetric(horizontal: 3),
-              decoration: BoxDecoration(
-                color: color,
-                borderRadius: BorderRadius.circular(20),
-              ),
-            );
-          }),
-        ),
-      ),
-    );
   }
 }