Solian/lib/widgets/chat/call/no_content.dart

import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:solian/models/account.dart';
import 'package:solian/widgets/account/avatar.dart';
import 'dart:math' as math;

class NoContentWidget extends StatefulWidget {
  final Account? userinfo;
  final bool isSpeaking;
  final bool isFixed;

  const NoContentWidget({
    super.key,
    this.userinfo,
    this.isFixed = false,
    required this.isSpeaking,
  });

  @override
  State<NoContentWidget> createState() => _NoContentWidgetState();
}

class _NoContentWidgetState extends State<NoContentWidget>
    with SingleTickerProviderStateMixin {
  late final AnimationController _animationController;

  @override
  void initState() {
    super.initState();
    _animationController = AnimationController(vsync: this);
  }

  @override
  void didUpdateWidget(NoContentWidget old) {
    super.didUpdateWidget(old);
    if (widget.isSpeaking) {
      _animationController.repeat(reverse: true);
    } else {
      _animationController
          .animateTo(0, duration: 300.ms)
          .then((_) => _animationController.reset());
    }
  }

  @override
  Widget build(BuildContext context) {
    final double radius = widget.isFixed
        ? 32
        : math.min(
            MediaQuery.of(context).size.width * 0.1,
            MediaQuery.of(context).size.height * 0.1,
          );

    return Container(
      alignment: Alignment.center,
      child: Center(
        child: Animate(
          autoPlay: false,
          controller: _animationController,
          effects: [
            CustomEffect(
              begin: widget.isSpeaking ? 2 : 0,
              end: 8,
              curve: Curves.easeInOut,
              duration: 1250.ms,
              builder: (context, value, child) => Container(
                decoration: BoxDecoration(
                  borderRadius: BorderRadius.all(Radius.circular(radius + 8)),
                  border: value > 0
                      ? Border.all(color: Colors.green, width: value)
                      : null,
                ),
                child: child,
              ),
            )
          ],
          child: AccountAvatar(
            source: widget.userinfo!.avatar,
            backgroundColor: Colors.transparent,
            radius: radius,
            direct: true,
          ),
        ),
      ),
    );
  }

  @override
  void dispose() {
    _animationController.dispose();
    super.dispose();
  }
}