import 'dart:math'; import 'package:flutter/material.dart'; import 'package:flutter_gen/gen_l10n/l10n.dart'; import 'package:matrix/matrix.dart'; import 'package:fluffychat/config/app_config.dart'; class CuteContent extends StatefulWidget { final Event event; const CuteContent(this.event, {Key? key}) : super(key: key); @override State createState() => _CuteContentState(); } class _CuteContentState extends State { static bool _isOverlayShown = false; @override void initState() { if (AppConfig.autoplayImages && !_isOverlayShown) { addOverlay(); } super.initState(); } @override Widget build(BuildContext context) { return FutureBuilder( future: widget.event.fetchSenderUser(), builder: (context, snapshot) { final label = generateLabel(snapshot.data); return GestureDetector( onTap: addOverlay, child: SizedBox.square( dimension: 300, child: Column( mainAxisSize: MainAxisSize.min, mainAxisAlignment: MainAxisAlignment.center, children: [ Text( widget.event.text, style: const TextStyle(fontSize: 150), ), if (label != null) Text(label) ], ), ), ); }, ); } Future addOverlay() async { _isOverlayShown = true; await Future.delayed(const Duration(milliseconds: 50)); OverlayEntry? overlay; overlay = OverlayEntry( builder: (context) => CuteEventOverlay( emoji: widget.event.text, onAnimationEnd: () { _isOverlayShown = false; overlay?.remove(); }, ), ); Overlay.of(context).insert(overlay); } generateLabel(User? user) { switch (widget.event.content['cute_type']) { case 'googly_eyes': return L10n.of(context)?.googlyEyesContent( user?.displayName ?? widget.event.senderFromMemoryOrFallback.displayName ?? '', ); case 'cuddle': return L10n.of(context)?.cuddleContent( user?.displayName ?? widget.event.senderFromMemoryOrFallback.displayName ?? '', ); case 'hug': return L10n.of(context)?.hugContent( user?.displayName ?? widget.event.senderFromMemoryOrFallback.displayName ?? '', ); } } } class CuteEventOverlay extends StatefulWidget { final String emoji; final VoidCallback onAnimationEnd; const CuteEventOverlay({ Key? key, required this.emoji, required this.onAnimationEnd, }) : super(key: key); @override State createState() => _CuteEventOverlayState(); } class _CuteEventOverlayState extends State with TickerProviderStateMixin { final List items = List.generate( 50, (index) => Size( Random().nextDouble(), 4 + (Random().nextDouble() * 4), ), ); AnimationController? controller; @override void initState() { controller = AnimationController( duration: const Duration(milliseconds: 2500), vsync: this, ); controller?.forward(); controller?.addStatusListener(_hideOverlay); super.initState(); } @override Widget build(BuildContext context) { return AnimatedBuilder( animation: controller!, builder: (context, _) => LayoutBuilder( builder: (context, constraints) { final width = constraints.maxWidth - _CuteOverlayContent.size; final height = constraints.maxHeight + _CuteOverlayContent.size; return SizedBox( height: constraints.maxHeight, width: constraints.maxWidth, child: Stack( alignment: Alignment.bottomLeft, fit: StackFit.expand, children: items .map( (position) => Positioned( left: position.width * width, bottom: (height * .25 * position.height * (controller?.value ?? 0)) - _CuteOverlayContent.size, child: _CuteOverlayContent( emoji: widget.emoji, ), ), ) .toList(), ), ); }, ), ); } void _hideOverlay(AnimationStatus status) { if (status == AnimationStatus.completed) { widget.onAnimationEnd.call(); } } } class _CuteOverlayContent extends StatelessWidget { static const double size = 64.0; final String emoji; const _CuteOverlayContent({Key? key, required this.emoji}) : super(key: key); @override Widget build(BuildContext context) { return SizedBox.square( dimension: size, child: Text( emoji, style: const TextStyle(fontSize: 48), ), ); } }