lib/web_ui/lib/src/ui/pointer.dart

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

part of ui;

enum PointerChange {
  cancel,
  add,
  remove,
  hover,
  down,
  move,
  up,
}

enum PointerDeviceKind {
  touch,
  mouse,
  stylus,
  invertedStylus,
  unknown
}

enum PointerSignalKind {
  none,
  scroll,
  unknown
}

class PointerData {
  const PointerData({
    this.embedderId = 0,
    this.timeStamp = Duration.zero,
    this.change = PointerChange.cancel,
    this.kind = PointerDeviceKind.touch,
    this.signalKind,
    this.device = 0,
    this.pointerIdentifier = 0,
    this.physicalX = 0.0,
    this.physicalY = 0.0,
    this.physicalDeltaX = 0.0,
    this.physicalDeltaY = 0.0,
    this.buttons = 0,
    this.obscured = false,
    this.synthesized = false,
    this.pressure = 0.0,
    this.pressureMin = 0.0,
    this.pressureMax = 0.0,
    this.distance = 0.0,
    this.distanceMax = 0.0,
    this.size = 0.0,
    this.radiusMajor = 0.0,
    this.radiusMinor = 0.0,
    this.radiusMin = 0.0,
    this.radiusMax = 0.0,
    this.orientation = 0.0,
    this.tilt = 0.0,
    this.platformData = 0,
    this.scrollDeltaX = 0.0,
    this.scrollDeltaY = 0.0,
  });
  final int embedderId;
  final Duration timeStamp;
  final PointerChange change;
  final PointerDeviceKind kind;
  final PointerSignalKind? signalKind;
  final int device;
  final int pointerIdentifier;
  final double physicalX;
  final double physicalY;
  final double physicalDeltaX;
  final double physicalDeltaY;
  final int buttons;
  final bool obscured;
  final bool synthesized;
  final double pressure;
  final double pressureMin;
  final double pressureMax;
  final double distance;
  final double distanceMax;
  final double size;
  final double radiusMajor;
  final double radiusMinor;
  final double radiusMin;
  final double radiusMax;
  final double orientation;
  final double tilt;
  final int platformData;
  final double scrollDeltaX;
  final double scrollDeltaY;

  @override
  String toString() => 'PointerData(x: $physicalX, y: $physicalY)';
  String toStringFull() {
    return '$runtimeType('
           'embedderId: $embedderId, '
           'timeStamp: $timeStamp, '
           'change: $change, '
           'kind: $kind, '
           'signalKind: $signalKind, '
           'device: $device, '
           'pointerIdentifier: $pointerIdentifier, '
           'physicalX: $physicalX, '
           'physicalY: $physicalY, '
           'physicalDeltaX: $physicalDeltaX, '
           'physicalDeltaY: $physicalDeltaY, '
           'buttons: $buttons, '
           'synthesized: $synthesized, '
           'pressure: $pressure, '
           'pressureMin: $pressureMin, '
           'pressureMax: $pressureMax, '
           'distance: $distance, '
           'distanceMax: $distanceMax, '
           'size: $size, '
           'radiusMajor: $radiusMajor, '
           'radiusMinor: $radiusMinor, '
           'radiusMin: $radiusMin, '
           'radiusMax: $radiusMax, '
           'orientation: $orientation, '
           'tilt: $tilt, '
           'platformData: $platformData, '
           'scrollDeltaX: $scrollDeltaX, '
           'scrollDeltaY: $scrollDeltaY'
           ')';
  }
}

class PointerDataPacket {
  const PointerDataPacket({this.data = const <PointerData>[]})
      : assert(data != null); // ignore: unnecessary_null_comparison
  final List<PointerData> data;
}