124 lines
3.9 KiB
Dart
124 lines
3.9 KiB
Dart
import 'dart:async';
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import 'package:aves/theme/durations.dart';
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import 'package:aves/widgets/common/app_bar/quick_choosers/route_layout.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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abstract class ChooserQuickButton<T> extends StatefulWidget {
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final PopupMenuPosition? chooserPosition;
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final ValueSetter<T?>? onChooserValue;
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final VoidCallback onPressed;
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const ChooserQuickButton({
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super.key,
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this.chooserPosition,
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this.onChooserValue,
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required this.onPressed,
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}) : assert((chooserPosition == null) == (onChooserValue == null));
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}
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abstract class ChooserQuickButtonState<T extends ChooserQuickButton<U>, U> extends State<T> with SingleTickerProviderStateMixin {
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AnimationController? _animationController;
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Animation<double>? _animation;
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OverlayEntry? _chooserOverlayEntry;
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final ValueNotifier<U?> _chooserValueNotifier = ValueNotifier(null);
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final StreamController<LongPressMoveUpdateDetails> _moveUpdateStreamController = StreamController.broadcast();
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Widget get icon;
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String get tooltip;
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U? get defaultValue;
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Duration get animationDuration => context.read<DurationsData>().quickChooserAnimation;
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Curve get animationCurve => Curves.easeOutQuad;
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Widget buildChooser(Animation<double> animation);
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ValueNotifier<U?> get chooserValueNotifier => _chooserValueNotifier;
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Stream<Offset> get pointerGlobalPosition => _moveUpdateStreamController.stream.map((event) => event.globalPosition);
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@override
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void dispose() {
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_animationController?.dispose();
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_clearChooserOverlayEntry();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final chooserPosition = widget.chooserPosition;
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final onChooserValue = widget.onChooserValue;
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final isChooserEnabled = chooserPosition != null && onChooserValue != null;
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return GestureDetector(
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behavior: HitTestBehavior.opaque,
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onLongPressStart: isChooserEnabled ? (details) => _showChooser() : null,
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onLongPressMoveUpdate: isChooserEnabled ? _moveUpdateStreamController.add : null,
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onLongPressEnd: isChooserEnabled
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? (details) {
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_clearChooserOverlayEntry();
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onChooserValue.call(_chooserValueNotifier.value);
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}
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: null,
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onLongPressCancel: _clearChooserOverlayEntry,
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child: IconButton(
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icon: icon,
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onPressed: widget.onPressed,
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tooltip: isChooserEnabled ? null : tooltip,
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),
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);
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}
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void _clearChooserOverlayEntry() {
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if (_chooserOverlayEntry != null) {
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_chooserOverlayEntry!.remove();
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_chooserOverlayEntry = null;
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}
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}
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void _showChooser() {
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final chooserPosition = widget.chooserPosition;
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if (chooserPosition == null) return;
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final overlay = Overlay.of(context)!;
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final triggerBox = context.findRenderObject() as RenderBox;
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final overlayBox = overlay.context.findRenderObject() as RenderBox;
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final triggerRect = RelativeRect.fromRect(
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triggerBox.localToGlobal(Offset.zero, ancestor: overlayBox) & triggerBox.size,
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Offset.zero & overlayBox.size,
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);
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_chooserValueNotifier.value = defaultValue;
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_chooserOverlayEntry = OverlayEntry(
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builder: (context) {
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final mediaQuery = MediaQuery.of(context);
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return CustomSingleChildLayout(
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delegate: QuickChooserRouteLayout(
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triggerRect,
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chooserPosition,
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mediaQuery.padding,
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DisplayFeatureSubScreen.avoidBounds(mediaQuery).toSet(),
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),
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child: buildChooser(_animation!),
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);
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},
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);
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if (_animationController == null) {
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_animationController = AnimationController(
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duration: animationDuration,
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vsync: this,
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);
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_animation = CurvedAnimation(
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parent: _animationController!,
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curve: animationCurve,
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);
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}
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_animationController!.reset();
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overlay.insert(_chooserOverlayEntry!);
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_animationController!.forward();
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}
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}
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