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{ Platform } from 'react-native';\nimport { State } from '../../State';\nimport { DEFAULT_TOUCH_SLOP } from '../constants';\nimport { AdaptedEvent, Config } from '../interfaces';\n\nimport GestureHandler from './GestureHandler';\nexport default class NativeViewGestureHandler extends GestureHandler {\n  private buttonRole!: boolean;\n\n  //TODO: Implement logic for activation on start\n  //@ts-ignore Logic yet to be implemented\n  private shouldActivateOnStart = false;\n  private disallowInterruption = false;\n\n  private startX = 0;\n  private startY = 0;\n  private minDistSq = DEFAULT_TOUCH_SLOP * DEFAULT_TOUCH_SLOP;\n\n  public init(ref: number, propsRef: React.RefObject<unknown>): void {\n    super.init(ref, propsRef);\n\n    this.setShouldCancelWhenOutside(true);\n\n    if (Platform.OS !== 'web') {\n      return;\n    }\n\n    const view = this.delegate.getView() as HTMLElement;\n\n    view.style['touchAction'] = 'auto';\n\n    //@ts-ignore Turns on defualt touch behavior on Safari\n    view.style['WebkitTouchCallout'] = 'auto';\n\n    if (view.hasAttribute('role')) {\n      this.buttonRole = true;\n    } else {\n      this.buttonRole = false;\n    }\n  }\n\n  public updateGestureConfig({ enabled = true, ...props }: Config): void {\n    super.updateGestureConfig({ enabled: enabled, ...props });\n\n    if (this.config.shouldActivateOnStart !== undefined) {\n      this.shouldActivateOnStart = this.config.shouldActivateOnStart;\n    }\n    if (this.config.disallowInterruption !== undefined) {\n      this.disallowInterruption = this.config.disallowInterruption;\n    }\n  }\n\n  protected resetConfig(): void {\n    super.resetConfig();\n  }\n\n  protected onPointerDown(event: AdaptedEvent): void {\n    this.tracker.addToTracker(event);\n    super.onPointerDown(event);\n    this.newPointerAction();\n  }\n\n  protected onPointerAdd(event: AdaptedEvent): void {\n    this.tracker.addToTracker(event);\n    super.onPointerAdd(event);\n    this.newPointerAction();\n  }\n\n  private newPointerAction(): void {\n    this.startX = this.tracker.getLastAvgX();\n    this.startY = this.tracker.getLastAvgY();\n\n    if (this.currentState !== State.UNDETERMINED) {\n      return;\n    }\n\n    this.begin();\n    if (this.buttonRole) {\n      this.activate();\n    }\n  }\n\n  protected onPointerMove(event: AdaptedEvent): void {\n    this.tracker.track(event);\n\n    const dx = this.startX - this.tracker.getLastAvgX();\n    const dy = this.startY - this.tracker.getLastAvgY();\n    const distSq = dx * dx + dy * dy;\n\n    if (distSq >= this.minDistSq) {\n      if (this.buttonRole && this.currentState === State.ACTIVE) {\n        this.cancel();\n      } else if (!this.buttonRole && this.currentState === State.BEGAN) {\n        this.activate();\n      }\n    }\n  }\n\n  protected onPointerLeave(): void {\n    if (\n      this.currentState === State.BEGAN ||\n      this.currentState === State.ACTIVE\n    ) {\n      this.cancel();\n    }\n  }\n\n  protected onPointerUp(event: AdaptedEvent): void {\n    super.onPointerUp(event);\n    this.onUp(event);\n  }\n\n  protected onPointerRemove(event: AdaptedEvent): void {\n    super.onPointerRemove(event);\n    this.onUp(event);\n  }\n\n  private onUp(event: AdaptedEvent): void {\n    this.tracker.removeFromTracker(event.pointerId);\n\n    if (this.tracker.getTrackedPointersCount() === 0) {\n      if (this.currentState === State.ACTIVE) {\n        this.end();\n      } else {\n        this.fail();\n      }\n    }\n  }\n\n  public shouldRecognizeSimultaneously(handler: GestureHandler): boolean {\n    if (super.shouldRecognizeSimultaneously(handler)) {\n      return true;\n    }\n\n    if (\n      handler instanceof NativeViewGestureHandler &&\n      handler.getState() === State.ACTIVE &&\n      handler.disallowsInterruption()\n    ) {\n      return false;\n    }\n\n    const canBeInterrupted = !this.disallowInterruption;\n\n    if (\n      this.currentState === State.ACTIVE &&\n      handler.getState() === State.ACTIVE &&\n      canBeInterrupted\n    ) {\n      return false;\n    }\n\n    return (\n      this.currentState === State.ACTIVE &&\n      canBeInterrupted &&\n      handler.getTag() > 0\n    );\n  }\n\n  public shouldBeCancelledByOther(_handler: GestureHandler): boolean {\n    return !this.disallowInterruption;\n  }\n\n  public disallowsInterruption(): boolean {\n    return this.disallowInterruption;\n  }\n}\n"]}