mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-12-05 04:44:24 +08:00
765 lines
22 KiB
Dart
765 lines
22 KiB
Dart
import 'dart:async';
|
|
import 'package:flutter/gestures.dart';
|
|
import 'package:flutter/widgets.dart';
|
|
|
|
enum GestureState {
|
|
none,
|
|
oneFingerPan,
|
|
twoFingerScale,
|
|
threeFingerVerticalDrag
|
|
}
|
|
|
|
class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
|
|
CustomTouchGestureRecognizer({
|
|
Object? debugOwner,
|
|
Set<PointerDeviceKind>? supportedDevices,
|
|
}) : super(
|
|
debugOwner: debugOwner,
|
|
supportedDevices: supportedDevices,
|
|
) {
|
|
_init();
|
|
}
|
|
|
|
// oneFingerPan
|
|
GestureDragStartCallback? onOneFingerPanStart;
|
|
GestureDragUpdateCallback? onOneFingerPanUpdate;
|
|
GestureDragEndCallback? onOneFingerPanEnd;
|
|
|
|
// twoFingerScale : scale + pan event
|
|
GestureScaleStartCallback? onTwoFingerScaleStart;
|
|
GestureScaleUpdateCallback? onTwoFingerScaleUpdate;
|
|
GestureScaleEndCallback? onTwoFingerScaleEnd;
|
|
|
|
// threeFingerVerticalDrag
|
|
GestureDragStartCallback? onThreeFingerVerticalDragStart;
|
|
GestureDragUpdateCallback? onThreeFingerVerticalDragUpdate;
|
|
GestureDragEndCallback? onThreeFingerVerticalDragEnd;
|
|
|
|
var _currentState = GestureState.none;
|
|
Timer? _debounceTimer;
|
|
|
|
void _init() {
|
|
debugPrint("CustomTouchGestureRecognizer init");
|
|
// onStart = (d) {};
|
|
onUpdate = (d) {
|
|
_debounceTimer?.cancel();
|
|
if (d.pointerCount == 1 && _currentState != GestureState.oneFingerPan) {
|
|
onOneFingerStartDebounce(d);
|
|
} else if (d.pointerCount == 2 &&
|
|
_currentState != GestureState.twoFingerScale) {
|
|
onTwoFingerStartDebounce(d);
|
|
} else if (d.pointerCount == 3 &&
|
|
_currentState != GestureState.threeFingerVerticalDrag) {
|
|
_currentState = GestureState.threeFingerVerticalDrag;
|
|
if (onThreeFingerVerticalDragStart != null) {
|
|
onThreeFingerVerticalDragStart!(
|
|
DragStartDetails(globalPosition: d.localFocalPoint));
|
|
}
|
|
debugPrint("start threeFingerScale");
|
|
}
|
|
if (_currentState != GestureState.none) {
|
|
switch (_currentState) {
|
|
case GestureState.oneFingerPan:
|
|
if (onOneFingerPanUpdate != null) {
|
|
onOneFingerPanUpdate!(_getDragUpdateDetails(d));
|
|
}
|
|
break;
|
|
case GestureState.twoFingerScale:
|
|
if (onTwoFingerScaleUpdate != null) {
|
|
onTwoFingerScaleUpdate!(d);
|
|
}
|
|
break;
|
|
case GestureState.threeFingerVerticalDrag:
|
|
if (onThreeFingerVerticalDragUpdate != null) {
|
|
onThreeFingerVerticalDragUpdate!(_getDragUpdateDetails(d));
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
};
|
|
onEnd = (d) {
|
|
debugPrint("ScaleGestureRecognizer onEnd");
|
|
_debounceTimer?.cancel();
|
|
// end
|
|
switch (_currentState) {
|
|
case GestureState.oneFingerPan:
|
|
debugPrint("TwoFingerState.pan onEnd");
|
|
if (onOneFingerPanEnd != null) {
|
|
onOneFingerPanEnd!(_getDragEndDetails(d));
|
|
}
|
|
break;
|
|
case GestureState.twoFingerScale:
|
|
debugPrint("TwoFingerState.scale onEnd");
|
|
if (onTwoFingerScaleEnd != null) {
|
|
onTwoFingerScaleEnd!(d);
|
|
}
|
|
break;
|
|
case GestureState.threeFingerVerticalDrag:
|
|
debugPrint("ThreeFingerState.vertical onEnd");
|
|
if (onThreeFingerVerticalDragEnd != null) {
|
|
onThreeFingerVerticalDragEnd!(_getDragEndDetails(d));
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
_debounceTimer = Timer(Duration(milliseconds: 200), () {
|
|
_currentState = GestureState.none;
|
|
});
|
|
};
|
|
}
|
|
|
|
void onOneFingerStartDebounce(ScaleUpdateDetails d) {
|
|
start(ScaleUpdateDetails d) {
|
|
_currentState = GestureState.oneFingerPan;
|
|
if (onOneFingerPanStart != null) {
|
|
onOneFingerPanStart!(DragStartDetails(
|
|
localPosition: d.localFocalPoint, globalPosition: d.focalPoint));
|
|
}
|
|
}
|
|
|
|
if (_currentState != GestureState.none) {
|
|
_debounceTimer = Timer(Duration(milliseconds: 200), () {
|
|
start(d);
|
|
debugPrint("debounce start oneFingerPan");
|
|
});
|
|
} else {
|
|
start(d);
|
|
debugPrint("start oneFingerPan");
|
|
}
|
|
}
|
|
|
|
void onTwoFingerStartDebounce(ScaleUpdateDetails d) {
|
|
start(ScaleUpdateDetails d) {
|
|
_currentState = GestureState.twoFingerScale;
|
|
if (onTwoFingerScaleStart != null) {
|
|
onTwoFingerScaleStart!(ScaleStartDetails(
|
|
localFocalPoint: d.localFocalPoint, focalPoint: d.focalPoint));
|
|
}
|
|
}
|
|
|
|
if (_currentState == GestureState.threeFingerVerticalDrag) {
|
|
_debounceTimer = Timer(Duration(milliseconds: 200), () {
|
|
start(d);
|
|
debugPrint("debounce start twoFingerScale");
|
|
});
|
|
} else {
|
|
start(d);
|
|
debugPrint("start twoFingerScale");
|
|
}
|
|
}
|
|
|
|
DragUpdateDetails _getDragUpdateDetails(ScaleUpdateDetails d) =>
|
|
DragUpdateDetails(
|
|
globalPosition: d.focalPoint,
|
|
localPosition: d.localFocalPoint,
|
|
delta: d.focalPointDelta);
|
|
|
|
DragEndDetails _getDragEndDetails(ScaleEndDetails d) =>
|
|
DragEndDetails(velocity: d.velocity);
|
|
}
|
|
|
|
class HoldTapMoveGestureRecognizer extends GestureRecognizer {
|
|
HoldTapMoveGestureRecognizer({
|
|
Object? debugOwner,
|
|
Set<PointerDeviceKind>? supportedDevices,
|
|
}) : super(
|
|
debugOwner: debugOwner,
|
|
supportedDevices: supportedDevices,
|
|
);
|
|
|
|
GestureDragStartCallback? onHoldDragStart;
|
|
GestureDragUpdateCallback? onHoldDragUpdate;
|
|
GestureDragDownCallback? onHoldDragDown;
|
|
GestureDragCancelCallback? onHoldDragCancel;
|
|
GestureDragEndCallback? onHoldDragEnd;
|
|
|
|
bool _isStart = false;
|
|
|
|
Timer? _firstTapUpTimer;
|
|
Timer? _secondTapDownTimer;
|
|
_TapTracker? _firstTap;
|
|
_TapTracker? _secondTap;
|
|
|
|
PointerDownEvent? _lastPointerDownEvent;
|
|
|
|
final Map<int, _TapTracker> _trackers = <int, _TapTracker>{};
|
|
|
|
@override
|
|
bool isPointerAllowed(PointerDownEvent event) {
|
|
if (_firstTap == null) {
|
|
switch (event.buttons) {
|
|
case kPrimaryButton:
|
|
if (onHoldDragStart == null &&
|
|
onHoldDragUpdate == null &&
|
|
onHoldDragCancel == null &&
|
|
onHoldDragEnd == null) {
|
|
return false;
|
|
}
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
return super.isPointerAllowed(event);
|
|
}
|
|
|
|
@override
|
|
void addAllowedPointer(PointerDownEvent event) {
|
|
if (_firstTap != null) {
|
|
if (!_firstTap!.isWithinGlobalTolerance(event, kDoubleTapSlop)) {
|
|
// Ignore out-of-bounds second taps.
|
|
return;
|
|
} else if (!_firstTap!.hasElapsedMinTime() ||
|
|
!_firstTap!.hasSameButton(event)) {
|
|
// Restart when the second tap is too close to the first (touch screens
|
|
// often detect touches intermittently), or when buttons mismatch.
|
|
_reset();
|
|
return _trackTap(event);
|
|
} else if (onHoldDragDown != null) {
|
|
invokeCallback<void>(
|
|
'onHoldDragDown',
|
|
() => onHoldDragDown!(DragDownDetails(
|
|
globalPosition: event.position,
|
|
localPosition: event.localPosition)));
|
|
}
|
|
}
|
|
_trackTap(event);
|
|
}
|
|
|
|
void _trackTap(PointerDownEvent event) {
|
|
_stopFirstTapUpTimer();
|
|
_stopSecondTapDownTimer();
|
|
final _TapTracker tracker = _TapTracker(
|
|
event: event,
|
|
entry: GestureBinding.instance.gestureArena.add(event.pointer, this),
|
|
doubleTapMinTime: kDoubleTapMinTime,
|
|
gestureSettings: gestureSettings,
|
|
);
|
|
_trackers[event.pointer] = tracker;
|
|
_lastPointerDownEvent = event;
|
|
tracker.startTrackingPointer(_handleEvent, event.transform);
|
|
}
|
|
|
|
void _handleEvent(PointerEvent event) {
|
|
final _TapTracker tracker = _trackers[event.pointer]!;
|
|
if (event is PointerUpEvent) {
|
|
if (_firstTap == null && _secondTap == null) {
|
|
_registerFirstTap(tracker);
|
|
} else if (_secondTap != null) {
|
|
if (event.pointer == _secondTap!.pointer) {
|
|
if (onHoldDragEnd != null) {
|
|
onHoldDragEnd!(DragEndDetails());
|
|
_secondTap = null;
|
|
_isStart = false;
|
|
}
|
|
}
|
|
} else {
|
|
_reject(tracker);
|
|
}
|
|
} else if (event is PointerDownEvent) {
|
|
if (_firstTap != null && _secondTap == null) {
|
|
_registerSecondTap(tracker);
|
|
}
|
|
} else if (event is PointerMoveEvent) {
|
|
if (!tracker.isWithinGlobalTolerance(event, kDoubleTapTouchSlop)) {
|
|
if (_firstTap != null && _firstTap!.pointer == event.pointer) {
|
|
// first tap move
|
|
_reject(tracker);
|
|
} else if (_secondTap != null && _secondTap!.pointer == event.pointer) {
|
|
// debugPrint("_secondTap move");
|
|
// second tap move
|
|
if (!_isStart) {
|
|
_resolve();
|
|
}
|
|
if (onHoldDragUpdate != null) {
|
|
onHoldDragUpdate!(DragUpdateDetails(
|
|
globalPosition: event.position,
|
|
localPosition: event.localPosition,
|
|
delta: event.delta));
|
|
}
|
|
}
|
|
}
|
|
} 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 _resolve() {
|
|
_stopSecondTapDownTimer();
|
|
_firstTap?.entry.resolve(GestureDisposition.accepted);
|
|
_secondTap?.entry.resolve(GestureDisposition.accepted);
|
|
_isStart = true;
|
|
// TODO start details
|
|
if (onHoldDragStart != null) {
|
|
onHoldDragStart!(DragStartDetails(
|
|
kind: _lastPointerDownEvent?.kind,
|
|
));
|
|
}
|
|
}
|
|
|
|
void _reject(_TapTracker tracker) {
|
|
try {
|
|
_checkCancel();
|
|
_isStart = false;
|
|
_trackers.remove(tracker.pointer);
|
|
tracker.entry.resolve(GestureDisposition.rejected);
|
|
_freezeTracker(tracker);
|
|
_reset();
|
|
} catch (e) {
|
|
debugPrint("Failed to _reject:$e");
|
|
}
|
|
}
|
|
|
|
@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;
|
|
|
|
PointerDownEvent? _lastPointerDownEvent;
|
|
|
|
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;
|
|
_lastPointerDownEvent = event;
|
|
_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(
|
|
kind: _lastPointerDownEvent?.kind,
|
|
));
|
|
}
|
|
_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,
|
|
}) : 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}) {
|
|
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? onThreeFingerVerticalDragUpdate,
|
|
}) {
|
|
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
|
|
..onThreeFingerVerticalDragUpdate = onThreeFingerVerticalDragUpdate;
|
|
}),
|
|
});
|
|
}
|