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This commit is contained in:
rustdesk
789
flutter/lib/widgets/gestures.dart
Normal file
789
flutter/lib/widgets/gestures.dart
Normal file
@@ -0,0 +1,789 @@
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import 'dart:async';
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import 'package:flutter/gestures.dart';
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import 'package:flutter/widgets.dart';
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enum CustomTouchGestureState {
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none,
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oneFingerPan,
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twoFingerScale,
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twoFingerVerticalDrag,
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twoFingerHorizontalDrag,
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}
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// Adjust Carefully! balance vertical and pan
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const kScaleSlop = kPrecisePointerPanSlop / 28;
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class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
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CustomTouchGestureRecognizer({
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Object? debugOwner,
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Set<PointerDeviceKind>? supportedDevices,
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}) : super(
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debugOwner: debugOwner,
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supportedDevices: supportedDevices,
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) {
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_init();
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}
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// oneFingerPan
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GestureDragStartCallback? onOneFingerPanStart;
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GestureDragUpdateCallback? onOneFingerPanUpdate;
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GestureDragEndCallback? onOneFingerPanEnd;
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// twoFingerScale : scale + pan event
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GestureScaleStartCallback? onTwoFingerScaleStart;
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GestureScaleUpdateCallback? onTwoFingerScaleUpdate;
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GestureScaleEndCallback? onTwoFingerScaleEnd;
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// twoFingerVerticalDrag
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GestureDragStartCallback? onTwoFingerVerticalDragStart;
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GestureDragUpdateCallback? onTwoFingerVerticalDragUpdate;
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GestureDragEndCallback? onTwoFingerVerticalDragEnd;
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// twoFingerHorizontalDrag
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GestureDragStartCallback? onTwoFingerHorizontalDragStart;
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GestureDragUpdateCallback? onTwoFingerHorizontalDragUpdate;
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GestureDragEndCallback? onTwoFingerHorizontalDragEnd;
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void _init() {
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debugPrint("CustomTouchGestureRecognizer init");
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onStart = (d) {
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if (d.pointerCount == 1) {
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_currentState = CustomTouchGestureState.oneFingerPan;
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if (onOneFingerPanStart != null) {
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onOneFingerPanStart!(DragStartDetails(
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localPosition: d.localFocalPoint, globalPosition: d.focalPoint));
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}
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debugPrint("start pan");
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} else if (d.pointerCount == 2) {
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_currentState = CustomTouchGestureState.none;
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startWatchTimer();
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} else {
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_currentState = CustomTouchGestureState.none;
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_reset();
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}
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};
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onUpdate = (d) {
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if (_isWatch) {
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_updateCompute(d);
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return;
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}
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if (_currentState != CustomTouchGestureState.none) {
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switch (_currentState) {
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case CustomTouchGestureState.oneFingerPan:
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if (onOneFingerPanUpdate != null) {
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onOneFingerPanUpdate!(_getDragUpdateDetails(d));
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}
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break;
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case CustomTouchGestureState.twoFingerScale:
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if (onTwoFingerScaleUpdate != null) {
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onTwoFingerScaleUpdate!(d);
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}
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break;
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case CustomTouchGestureState.twoFingerHorizontalDrag:
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if (onTwoFingerHorizontalDragUpdate != null) {
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onTwoFingerHorizontalDragUpdate!(_getDragUpdateDetails(d));
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}
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break;
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case CustomTouchGestureState.twoFingerVerticalDrag:
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if (onTwoFingerVerticalDragUpdate != null) {
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onTwoFingerVerticalDragUpdate!(_getDragUpdateDetails(d));
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}
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break;
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default:
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break;
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}
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return;
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}
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};
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onEnd = (d) {
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debugPrint("ScaleGestureRecognizer onEnd");
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// end
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switch (_currentState) {
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case CustomTouchGestureState.oneFingerPan:
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debugPrint("TwoFingerState.pan onEnd");
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if (onOneFingerPanEnd != null) {
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onOneFingerPanEnd!(_getDragEndDetails(d));
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}
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break;
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case CustomTouchGestureState.twoFingerScale:
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debugPrint("TwoFingerState.scale onEnd");
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if (onTwoFingerScaleEnd != null) {
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onTwoFingerScaleEnd!(d);
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}
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break;
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case CustomTouchGestureState.twoFingerHorizontalDrag:
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debugPrint("TwoFingerState.horizontal onEnd");
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if (onTwoFingerHorizontalDragEnd != null) {
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onTwoFingerHorizontalDragEnd!(_getDragEndDetails(d));
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}
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break;
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case CustomTouchGestureState.twoFingerVerticalDrag:
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debugPrint("TwoFingerState.vertical onEnd");
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if (onTwoFingerVerticalDragEnd != null) {
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onTwoFingerVerticalDragEnd!(_getDragEndDetails(d));
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}
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break;
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default:
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break;
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}
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_currentState = CustomTouchGestureState.none;
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_reset();
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};
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}
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var _currentState = CustomTouchGestureState.none;
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var _isWatch = false;
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Timer? _timer;
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double _sumScale = 0;
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double _sumVertical = 0;
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double _sumHorizontal = 0;
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void _clearSum() {
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_sumScale = 0;
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_sumVertical = 0;
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_sumHorizontal = 0;
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}
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void _reset() {
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_isWatch = false;
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_clearSum();
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if (_timer != null) _timer!.cancel();
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}
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void _updateCompute(ScaleUpdateDetails d) {
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_sumScale += d.scale - 1;
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_sumHorizontal += d.focalPointDelta.dx;
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_sumVertical += d.focalPointDelta.dy;
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// start , order is important
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if (onTwoFingerScaleUpdate != null && _sumScale.abs() > kScaleSlop) {
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debugPrint("start Scale");
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_currentState = CustomTouchGestureState.twoFingerScale;
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if (onTwoFingerScaleStart != null) {
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onTwoFingerScaleStart!(ScaleStartDetails(
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localFocalPoint: d.localFocalPoint, focalPoint: d.focalPoint));
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}
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_reset();
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} else if (onTwoFingerVerticalDragUpdate != null &&
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_sumVertical.abs() > kPrecisePointerPanSlop &&
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_sumHorizontal.abs() < kPrecisePointerPanSlop) {
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debugPrint("start Vertical");
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if (onTwoFingerVerticalDragStart != null) {
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onTwoFingerVerticalDragStart!(_getDragStartDetails(d));
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}
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_currentState = CustomTouchGestureState.twoFingerVerticalDrag;
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_reset();
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}
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}
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void startWatchTimer() {
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debugPrint("startWatchTimer");
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_isWatch = true;
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_clearSum();
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if (_timer != null) _timer!.cancel();
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_timer = Timer(const Duration(milliseconds: 200), _reset);
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}
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DragStartDetails _getDragStartDetails(ScaleUpdateDetails d) =>
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DragStartDetails(
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globalPosition: d.focalPoint,
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localPosition: d.localFocalPoint,
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);
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DragUpdateDetails _getDragUpdateDetails(ScaleUpdateDetails d) =>
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DragUpdateDetails(
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globalPosition: d.focalPoint,
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localPosition: d.localFocalPoint,
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delta: d.focalPointDelta);
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DragEndDetails _getDragEndDetails(ScaleEndDetails d) =>
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DragEndDetails(velocity: d.velocity);
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}
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class HoldTapMoveGestureRecognizer extends GestureRecognizer {
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HoldTapMoveGestureRecognizer({
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Object? debugOwner,
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Set<PointerDeviceKind>? supportedDevices,
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}) : super(
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debugOwner: debugOwner,
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supportedDevices: supportedDevices,
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);
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GestureDragStartCallback? onHoldDragStart;
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GestureDragUpdateCallback? onHoldDragUpdate;
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GestureDragDownCallback? onHoldDragDown;
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GestureDragCancelCallback? onHoldDragCancel;
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GestureDragEndCallback? onHoldDragEnd;
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bool _isStart = false;
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Timer? _firstTapUpTimer;
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Timer? _secondTapDownTimer;
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_TapTracker? _firstTap;
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_TapTracker? _secondTap;
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final Map<int, _TapTracker> _trackers = <int, _TapTracker>{};
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@override
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bool isPointerAllowed(PointerDownEvent event) {
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if (_firstTap == null) {
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switch (event.buttons) {
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case kPrimaryButton:
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if (onHoldDragStart == null &&
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onHoldDragUpdate == null &&
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onHoldDragCancel == null &&
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onHoldDragEnd == null) {
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return false;
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}
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break;
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default:
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return false;
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}
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}
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return super.isPointerAllowed(event);
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}
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@override
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void addAllowedPointer(PointerDownEvent event) {
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if (_firstTap != null) {
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if (!_firstTap!.isWithinGlobalTolerance(event, kDoubleTapSlop)) {
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// Ignore out-of-bounds second taps.
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return;
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} else if (!_firstTap!.hasElapsedMinTime() ||
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!_firstTap!.hasSameButton(event)) {
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// Restart when the second tap is too close to the first (touch screens
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// often detect touches intermittently), or when buttons mismatch.
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_reset();
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return _trackTap(event);
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} else if (onHoldDragDown != null) {
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invokeCallback<void>(
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'onHoldDragDown',
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() => onHoldDragDown!(DragDownDetails(
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globalPosition: event.position,
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localPosition: event.localPosition)));
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}
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}
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_trackTap(event);
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}
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void _trackTap(PointerDownEvent event) {
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_stopFirstTapUpTimer();
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_stopSecondTapDownTimer();
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final _TapTracker tracker = _TapTracker(
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event: event,
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entry: GestureBinding.instance!.gestureArena.add(event.pointer, this),
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doubleTapMinTime: kDoubleTapMinTime,
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gestureSettings: gestureSettings,
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);
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_trackers[event.pointer] = tracker;
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tracker.startTrackingPointer(_handleEvent, event.transform);
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}
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void _handleEvent(PointerEvent event) {
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final _TapTracker tracker = _trackers[event.pointer]!;
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if (event is PointerUpEvent) {
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if (_firstTap == null && _secondTap == null) {
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_registerFirstTap(tracker);
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} else if (_secondTap != null) {
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if (event.pointer == _secondTap!.pointer) {
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if (onHoldDragEnd != null) onHoldDragEnd!(DragEndDetails());
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}
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} else {
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_reject(tracker);
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}
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} else if (event is PointerDownEvent) {
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if (_firstTap != null && _secondTap == null) {
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_registerSecondTap(tracker);
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}
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} else if (event is PointerMoveEvent) {
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if (!tracker.isWithinGlobalTolerance(event, kDoubleTapTouchSlop)) {
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if (_firstTap != null && _firstTap!.pointer == event.pointer) {
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// first tap move
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_reject(tracker);
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} else if (_secondTap != null && _secondTap!.pointer == event.pointer) {
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// debugPrint("_secondTap move");
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// second tap move
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if (!_isStart) {
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_resolve();
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}
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if (onHoldDragUpdate != null)
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||||
onHoldDragUpdate!(DragUpdateDetails(
|
||||
globalPosition: event.position,
|
||||
localPosition: event.localPosition,
|
||||
delta: event.delta));
|
||||
}
|
||||
}
|
||||
} else if (event is PointerCancelEvent) {
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_reject(tracker);
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void acceptGesture(int pointer) {}
|
||||
|
||||
@override
|
||||
void rejectGesture(int pointer) {
|
||||
_TapTracker? tracker = _trackers[pointer];
|
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// If tracker isn't in the list, check if this is the first tap tracker
|
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if (tracker == null && _firstTap != null && _firstTap!.pointer == pointer) {
|
||||
tracker = _firstTap;
|
||||
}
|
||||
// If tracker is still null, we rejected ourselves already
|
||||
if (tracker != null) {
|
||||
_reject(tracker);
|
||||
}
|
||||
}
|
||||
|
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void _resolve() {
|
||||
_stopSecondTapDownTimer();
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_firstTap?.entry.resolve(GestureDisposition.accepted);
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||||
_secondTap?.entry.resolve(GestureDisposition.accepted);
|
||||
_isStart = true;
|
||||
// TODO start details
|
||||
if (onHoldDragStart != null) onHoldDragStart!(DragStartDetails());
|
||||
}
|
||||
|
||||
void _reject(_TapTracker tracker) {
|
||||
_checkCancel();
|
||||
|
||||
_isStart = false;
|
||||
_trackers.remove(tracker.pointer);
|
||||
tracker.entry.resolve(GestureDisposition.rejected);
|
||||
_freezeTracker(tracker);
|
||||
_reset();
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
_reset();
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
void _reset() {
|
||||
_isStart = false;
|
||||
// debugPrint("reset");
|
||||
_stopFirstTapUpTimer();
|
||||
_stopSecondTapDownTimer();
|
||||
if (_firstTap != null) {
|
||||
if (_trackers.isNotEmpty) {
|
||||
_checkCancel();
|
||||
}
|
||||
// Note, order is important below in order for the resolve -> reject logic
|
||||
// to work properly.
|
||||
final _TapTracker tracker = _firstTap!;
|
||||
_firstTap = null;
|
||||
_reject(tracker);
|
||||
GestureBinding.instance!.gestureArena.release(tracker.pointer);
|
||||
|
||||
if (_secondTap != null) {
|
||||
final _TapTracker tracker = _secondTap!;
|
||||
_secondTap = null;
|
||||
_reject(tracker);
|
||||
GestureBinding.instance!.gestureArena.release(tracker.pointer);
|
||||
}
|
||||
}
|
||||
_firstTap = null;
|
||||
_secondTap = null;
|
||||
_clearTrackers();
|
||||
}
|
||||
|
||||
void _registerFirstTap(_TapTracker tracker) {
|
||||
_startFirstTapUpTimer();
|
||||
GestureBinding.instance!.gestureArena.hold(tracker.pointer);
|
||||
// Note, order is important below in order for the clear -> reject logic to
|
||||
// work properly.
|
||||
_freezeTracker(tracker);
|
||||
_trackers.remove(tracker.pointer);
|
||||
_firstTap = tracker;
|
||||
}
|
||||
|
||||
void _registerSecondTap(_TapTracker tracker) {
|
||||
if (_firstTap != null) {
|
||||
_stopFirstTapUpTimer();
|
||||
_freezeTracker(_firstTap!);
|
||||
_firstTap = null;
|
||||
}
|
||||
|
||||
_startSecondTapDownTimer();
|
||||
GestureBinding.instance!.gestureArena.hold(tracker.pointer);
|
||||
|
||||
_secondTap = tracker;
|
||||
|
||||
// TODO
|
||||
}
|
||||
|
||||
void _clearTrackers() {
|
||||
_trackers.values.toList().forEach(_reject);
|
||||
assert(_trackers.isEmpty);
|
||||
}
|
||||
|
||||
void _freezeTracker(_TapTracker tracker) {
|
||||
tracker.stopTrackingPointer(_handleEvent);
|
||||
}
|
||||
|
||||
void _startFirstTapUpTimer() {
|
||||
_firstTapUpTimer ??= Timer(kDoubleTapTimeout, _reset);
|
||||
}
|
||||
|
||||
void _startSecondTapDownTimer() {
|
||||
_secondTapDownTimer ??= Timer(kDoubleTapTimeout, _resolve);
|
||||
}
|
||||
|
||||
void _stopFirstTapUpTimer() {
|
||||
if (_firstTapUpTimer != null) {
|
||||
_firstTapUpTimer!.cancel();
|
||||
_firstTapUpTimer = null;
|
||||
}
|
||||
}
|
||||
|
||||
void _stopSecondTapDownTimer() {
|
||||
if (_secondTapDownTimer != null) {
|
||||
_secondTapDownTimer!.cancel();
|
||||
_secondTapDownTimer = null;
|
||||
}
|
||||
}
|
||||
|
||||
void _checkCancel() {
|
||||
if (onHoldDragCancel != null) {
|
||||
invokeCallback<void>('onHoldDragCancel', onHoldDragCancel!);
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
String get debugDescription => 'double tap';
|
||||
}
|
||||
|
||||
class DoubleFinerTapGestureRecognizer extends GestureRecognizer {
|
||||
DoubleFinerTapGestureRecognizer({
|
||||
Object? debugOwner,
|
||||
Set<PointerDeviceKind>? supportedDevices,
|
||||
}) : super(
|
||||
debugOwner: debugOwner,
|
||||
supportedDevices: supportedDevices,
|
||||
);
|
||||
|
||||
GestureTapDownCallback? onDoubleFinerTapDown;
|
||||
GestureTapDownCallback? onDoubleFinerTap;
|
||||
GestureTapCancelCallback? onDoubleFinerTapCancel;
|
||||
|
||||
Timer? _firstTapTimer;
|
||||
_TapTracker? _firstTap;
|
||||
|
||||
var _isStart = false;
|
||||
|
||||
final Set<int> _upTap = {};
|
||||
|
||||
final Map<int, _TapTracker> _trackers = <int, _TapTracker>{};
|
||||
|
||||
@override
|
||||
bool isPointerAllowed(PointerDownEvent event) {
|
||||
if (_firstTap == null) {
|
||||
switch (event.buttons) {
|
||||
case kPrimaryButton:
|
||||
if (onDoubleFinerTapDown == null &&
|
||||
onDoubleFinerTap == null &&
|
||||
onDoubleFinerTapCancel == null) {
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return super.isPointerAllowed(event);
|
||||
}
|
||||
|
||||
@override
|
||||
void addAllowedPointer(PointerDownEvent event) {
|
||||
debugPrint("addAllowedPointer");
|
||||
if (_isStart) {
|
||||
// second
|
||||
if (onDoubleFinerTapDown != null) {
|
||||
final TapDownDetails details = TapDownDetails(
|
||||
globalPosition: event.position,
|
||||
localPosition: event.localPosition,
|
||||
kind: getKindForPointer(event.pointer),
|
||||
);
|
||||
invokeCallback<void>(
|
||||
'onDoubleFinerTapDown', () => onDoubleFinerTapDown!(details));
|
||||
}
|
||||
} else {
|
||||
// first tap
|
||||
_isStart = true;
|
||||
_startFirstTapDownTimer();
|
||||
}
|
||||
_trackTap(event);
|
||||
}
|
||||
|
||||
void _trackTap(PointerDownEvent event) {
|
||||
final _TapTracker tracker = _TapTracker(
|
||||
event: event,
|
||||
entry: GestureBinding.instance!.gestureArena.add(event.pointer, this),
|
||||
doubleTapMinTime: kDoubleTapMinTime,
|
||||
gestureSettings: gestureSettings,
|
||||
);
|
||||
_trackers[event.pointer] = tracker;
|
||||
// debugPrint("_trackers:$_trackers");
|
||||
tracker.startTrackingPointer(_handleEvent, event.transform);
|
||||
|
||||
_registerTap(tracker);
|
||||
}
|
||||
|
||||
void _handleEvent(PointerEvent event) {
|
||||
final _TapTracker tracker = _trackers[event.pointer]!;
|
||||
if (event is PointerUpEvent) {
|
||||
debugPrint("PointerUpEvent");
|
||||
_upTap.add(tracker.pointer);
|
||||
} else if (event is PointerMoveEvent) {
|
||||
if (!tracker.isWithinGlobalTolerance(event, kDoubleTapTouchSlop))
|
||||
_reject(tracker);
|
||||
} else if (event is PointerCancelEvent) {
|
||||
_reject(tracker);
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void acceptGesture(int pointer) {}
|
||||
|
||||
@override
|
||||
void rejectGesture(int pointer) {
|
||||
_TapTracker? tracker = _trackers[pointer];
|
||||
// If tracker isn't in the list, check if this is the first tap tracker
|
||||
if (tracker == null && _firstTap != null && _firstTap!.pointer == pointer) {
|
||||
tracker = _firstTap;
|
||||
}
|
||||
// If tracker is still null, we rejected ourselves already
|
||||
if (tracker != null) {
|
||||
_reject(tracker);
|
||||
}
|
||||
}
|
||||
|
||||
void _reject(_TapTracker tracker) {
|
||||
_trackers.remove(tracker.pointer);
|
||||
tracker.entry.resolve(GestureDisposition.rejected);
|
||||
_freezeTracker(tracker);
|
||||
if (_firstTap != null) {
|
||||
if (tracker == _firstTap) {
|
||||
_reset();
|
||||
} else {
|
||||
_checkCancel();
|
||||
if (_trackers.isEmpty) {
|
||||
_reset();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
_reset();
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
void _reset() {
|
||||
_stopFirstTapUpTimer();
|
||||
_firstTap = null;
|
||||
_clearTrackers();
|
||||
}
|
||||
|
||||
void _registerTap(_TapTracker tracker) {
|
||||
GestureBinding.instance!.gestureArena.hold(tracker.pointer);
|
||||
// Note, order is important below in order for the clear -> reject logic to
|
||||
// work properly.
|
||||
}
|
||||
|
||||
void _clearTrackers() {
|
||||
_trackers.values.toList().forEach(_reject);
|
||||
assert(_trackers.isEmpty);
|
||||
}
|
||||
|
||||
void _freezeTracker(_TapTracker tracker) {
|
||||
tracker.stopTrackingPointer(_handleEvent);
|
||||
}
|
||||
|
||||
void _startFirstTapDownTimer() {
|
||||
_firstTapTimer ??= Timer(kDoubleTapTimeout, _timeoutCheck);
|
||||
}
|
||||
|
||||
void _stopFirstTapUpTimer() {
|
||||
if (_firstTapTimer != null) {
|
||||
_firstTapTimer!.cancel();
|
||||
_firstTapTimer = null;
|
||||
}
|
||||
}
|
||||
|
||||
void _timeoutCheck() {
|
||||
_isStart = false;
|
||||
if (_upTap.length == 2) {
|
||||
_resolve();
|
||||
} else {
|
||||
_reset();
|
||||
}
|
||||
_upTap.clear();
|
||||
}
|
||||
|
||||
void _resolve() {
|
||||
// TODO tap down details
|
||||
if (onDoubleFinerTap != null) onDoubleFinerTap!(TapDownDetails());
|
||||
_trackers.forEach((key, value) {
|
||||
value.entry.resolve(GestureDisposition.accepted);
|
||||
});
|
||||
_reset();
|
||||
}
|
||||
|
||||
void _checkCancel() {
|
||||
if (onDoubleFinerTapCancel != null) {
|
||||
invokeCallback<void>('onHoldDragCancel', onDoubleFinerTapCancel!);
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
String get debugDescription => 'double tap';
|
||||
}
|
||||
|
||||
/// TapTracker helps track individual tap sequences as part of a
|
||||
/// larger gesture.
|
||||
class _TapTracker {
|
||||
_TapTracker({
|
||||
required PointerDownEvent event,
|
||||
required this.entry,
|
||||
required Duration doubleTapMinTime,
|
||||
required this.gestureSettings,
|
||||
}) : assert(doubleTapMinTime != null),
|
||||
assert(event != null),
|
||||
assert(event.buttons != null),
|
||||
pointer = event.pointer,
|
||||
_initialGlobalPosition = event.position,
|
||||
initialButtons = event.buttons,
|
||||
_doubleTapMinTimeCountdown =
|
||||
_CountdownZoned(duration: doubleTapMinTime);
|
||||
|
||||
final DeviceGestureSettings? gestureSettings;
|
||||
final int pointer;
|
||||
final GestureArenaEntry entry;
|
||||
final Offset _initialGlobalPosition;
|
||||
final int initialButtons;
|
||||
final _CountdownZoned _doubleTapMinTimeCountdown;
|
||||
|
||||
bool _isTrackingPointer = false;
|
||||
|
||||
void startTrackingPointer(PointerRoute route, Matrix4? transform) {
|
||||
if (!_isTrackingPointer) {
|
||||
_isTrackingPointer = true;
|
||||
GestureBinding.instance!.pointerRouter
|
||||
.addRoute(pointer, route, transform);
|
||||
}
|
||||
}
|
||||
|
||||
void stopTrackingPointer(PointerRoute route) {
|
||||
if (_isTrackingPointer) {
|
||||
_isTrackingPointer = false;
|
||||
GestureBinding.instance!.pointerRouter.removeRoute(pointer, route);
|
||||
}
|
||||
}
|
||||
|
||||
bool isWithinGlobalTolerance(PointerEvent event, double tolerance) {
|
||||
final Offset offset = event.position - _initialGlobalPosition;
|
||||
return offset.distance <= tolerance;
|
||||
}
|
||||
|
||||
bool hasElapsedMinTime() {
|
||||
return _doubleTapMinTimeCountdown.timeout;
|
||||
}
|
||||
|
||||
bool hasSameButton(PointerDownEvent event) {
|
||||
return event.buttons == initialButtons;
|
||||
}
|
||||
}
|
||||
|
||||
/// CountdownZoned tracks whether the specified duration has elapsed since
|
||||
/// creation, honoring [Zone].
|
||||
class _CountdownZoned {
|
||||
_CountdownZoned({required Duration duration}) : assert(duration != null) {
|
||||
Timer(duration, _onTimeout);
|
||||
}
|
||||
|
||||
bool _timeout = false;
|
||||
|
||||
bool get timeout => _timeout;
|
||||
|
||||
void _onTimeout() {
|
||||
_timeout = true;
|
||||
}
|
||||
}
|
||||
|
||||
RawGestureDetector getMixinGestureDetector({
|
||||
Widget? child,
|
||||
GestureTapUpCallback? onTapUp,
|
||||
GestureTapDownCallback? onDoubleTapDown,
|
||||
GestureDoubleTapCallback? onDoubleTap,
|
||||
GestureLongPressDownCallback? onLongPressDown,
|
||||
GestureLongPressCallback? onLongPress,
|
||||
GestureDragStartCallback? onHoldDragStart,
|
||||
GestureDragUpdateCallback? onHoldDragUpdate,
|
||||
GestureDragCancelCallback? onHoldDragCancel,
|
||||
GestureDragEndCallback? onHoldDragEnd,
|
||||
GestureTapDownCallback? onDoubleFinerTap,
|
||||
GestureDragStartCallback? onOneFingerPanStart,
|
||||
GestureDragUpdateCallback? onOneFingerPanUpdate,
|
||||
GestureDragEndCallback? onOneFingerPanEnd,
|
||||
GestureScaleUpdateCallback? onTwoFingerScaleUpdate,
|
||||
GestureScaleEndCallback? onTwoFingerScaleEnd,
|
||||
GestureDragUpdateCallback? onTwoFingerHorizontalDragUpdate,
|
||||
GestureDragUpdateCallback? onTwoFingerVerticalDragUpdate,
|
||||
GestureDragStartCallback? onTwoFingerPanStart,
|
||||
GestureDragUpdateCallback? onTwoFingerPanUpdate,
|
||||
}) {
|
||||
return RawGestureDetector(
|
||||
child: child,
|
||||
gestures: <Type, GestureRecognizerFactory>{
|
||||
// Official
|
||||
TapGestureRecognizer:
|
||||
GestureRecognizerFactoryWithHandlers<TapGestureRecognizer>(
|
||||
() => TapGestureRecognizer(), (instance) {
|
||||
instance.onTapUp = onTapUp;
|
||||
}),
|
||||
DoubleTapGestureRecognizer:
|
||||
GestureRecognizerFactoryWithHandlers<DoubleTapGestureRecognizer>(
|
||||
() => DoubleTapGestureRecognizer(), (instance) {
|
||||
instance
|
||||
..onDoubleTapDown = onDoubleTapDown
|
||||
..onDoubleTap = onDoubleTap;
|
||||
}),
|
||||
LongPressGestureRecognizer:
|
||||
GestureRecognizerFactoryWithHandlers<LongPressGestureRecognizer>(
|
||||
() => LongPressGestureRecognizer(), (instance) {
|
||||
instance
|
||||
..onLongPressDown = onLongPressDown
|
||||
..onLongPress = onLongPress;
|
||||
}),
|
||||
// Customized
|
||||
HoldTapMoveGestureRecognizer:
|
||||
GestureRecognizerFactoryWithHandlers<HoldTapMoveGestureRecognizer>(
|
||||
() => HoldTapMoveGestureRecognizer(),
|
||||
(instance) => {
|
||||
instance
|
||||
..onHoldDragStart = onHoldDragStart
|
||||
..onHoldDragUpdate = onHoldDragUpdate
|
||||
..onHoldDragCancel = onHoldDragCancel
|
||||
..onHoldDragEnd = onHoldDragEnd
|
||||
}),
|
||||
DoubleFinerTapGestureRecognizer: GestureRecognizerFactoryWithHandlers<
|
||||
DoubleFinerTapGestureRecognizer>(
|
||||
() => DoubleFinerTapGestureRecognizer(), (instance) {
|
||||
instance.onDoubleFinerTap = onDoubleFinerTap;
|
||||
}),
|
||||
CustomTouchGestureRecognizer:
|
||||
GestureRecognizerFactoryWithHandlers<CustomTouchGestureRecognizer>(
|
||||
() => CustomTouchGestureRecognizer(), (instance) {
|
||||
instance
|
||||
..onOneFingerPanStart = onOneFingerPanStart
|
||||
..onOneFingerPanUpdate = onOneFingerPanUpdate
|
||||
..onOneFingerPanEnd = onOneFingerPanEnd
|
||||
..onTwoFingerScaleUpdate = onTwoFingerScaleUpdate
|
||||
..onTwoFingerScaleEnd = onTwoFingerScaleEnd
|
||||
..onTwoFingerHorizontalDragUpdate = onTwoFingerHorizontalDragUpdate
|
||||
..onTwoFingerVerticalDragUpdate = onTwoFingerVerticalDragUpdate;
|
||||
})
|
||||
});
|
||||
}
|
||||
Reference in New Issue
Block a user