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{\n  AdaptedEvent,\n  EventTypes,\n  PointerType,\n  TouchEventType,\n} from '../interfaces';\nimport EventManager from './EventManager';\nimport { isPointerInBounds } from '../utils';\n\nexport default class TouchEventManager extends EventManager<HTMLElement> {\n  public setListeners(): void {\n    this.view.addEventListener('touchstart', (event: TouchEvent) => {\n      for (let i = 0; i < event.changedTouches.length; ++i) {\n        const adaptedEvent: AdaptedEvent = this.mapEvent(\n          event,\n          EventTypes.DOWN,\n          i,\n          TouchEventType.DOWN\n        );\n\n        // Here we skip stylus, because in case of anything different than touch we want to handle it by using PointerEvents\n        // If we leave stylus to send touch events, handlers will receive every action twice\n        if (\n          !isPointerInBounds(this.view, {\n            x: adaptedEvent.x,\n            y: adaptedEvent.y,\n          }) ||\n          //@ts-ignore touchType field does exist\n          event.changedTouches[i].touchType === 'stylus'\n        ) {\n          continue;\n        }\n\n        this.markAsInBounds(adaptedEvent.pointerId);\n\n        if (++this.activePointersCounter > 1) {\n          adaptedEvent.eventType = EventTypes.ADDITIONAL_POINTER_DOWN;\n          this.onPointerAdd(adaptedEvent);\n        } else {\n          this.onPointerDown(adaptedEvent);\n        }\n      }\n    });\n\n    this.view.addEventListener('touchmove', (event: TouchEvent) => {\n      for (let i = 0; i < event.changedTouches.length; ++i) {\n        const adaptedEvent: AdaptedEvent = this.mapEvent(\n          event,\n          EventTypes.MOVE,\n          i,\n          TouchEventType.MOVE\n        );\n        //@ts-ignore touchType field does exist\n        if (event.changedTouches[i].touchType === 'stylus') {\n          continue;\n        }\n\n        const inBounds: boolean = isPointerInBounds(this.view, {\n          x: adaptedEvent.x,\n          y: adaptedEvent.y,\n        });\n\n        const pointerIndex: number = this.pointersInBounds.indexOf(\n          adaptedEvent.pointerId\n        );\n\n        if (inBounds) {\n          if (pointerIndex < 0) {\n            adaptedEvent.eventType = EventTypes.ENTER;\n            this.onPointerEnter(adaptedEvent);\n            this.markAsInBounds(adaptedEvent.pointerId);\n          } else {\n            this.onPointerMove(adaptedEvent);\n          }\n        } else {\n          if (pointerIndex >= 0) {\n            adaptedEvent.eventType = EventTypes.LEAVE;\n            this.onPointerLeave(adaptedEvent);\n            this.markAsOutOfBounds(adaptedEvent.pointerId);\n          } else {\n            this.onPointerOutOfBounds(adaptedEvent);\n          }\n        }\n      }\n    });\n\n    this.view.addEventListener('touchend', (event: TouchEvent) => {\n      for (let i = 0; i < event.changedTouches.length; ++i) {\n        // When we call reset on gesture handlers, it also resets their event managers\n        // In some handlers (like RotationGestureHandler) reset is called before all pointers leave view\n        // This means, that activePointersCounter will be set to 0, while there are still remaining pointers on view\n        // Removing them will end in activePointersCounter going below 0, therefore handlers won't behave properly\n        if (this.activePointersCounter === 0) {\n          break;\n        }\n\n        //@ts-ignore touchType field does exist\n        if (event.changedTouches[i].touchType === 'stylus') {\n          continue;\n        }\n\n        const adaptedEvent: AdaptedEvent = this.mapEvent(\n          event,\n          EventTypes.UP,\n          i,\n          TouchEventType.UP\n        );\n\n        this.markAsOutOfBounds(adaptedEvent.pointerId);\n\n        if (--this.activePointersCounter > 0) {\n          adaptedEvent.eventType = EventTypes.ADDITIONAL_POINTER_UP;\n          this.onPointerRemove(adaptedEvent);\n        } else {\n          this.onPointerUp(adaptedEvent);\n        }\n      }\n    });\n\n    this.view.addEventListener('touchcancel', (event: TouchEvent) => {\n      for (let i = 0; i < event.changedTouches.length; ++i) {\n        const adaptedEvent: AdaptedEvent = this.mapEvent(\n          event,\n          EventTypes.CANCEL,\n          i,\n          TouchEventType.CANCELLED\n        );\n\n        //@ts-ignore touchType field does exist\n        if (event.changedTouches[i].touchType === 'stylus') {\n          continue;\n        }\n\n        this.onPointerCancel(adaptedEvent);\n        this.markAsOutOfBounds(adaptedEvent.pointerId);\n        this.activePointersCounter = 0;\n      }\n    });\n  }\n\n  protected mapEvent(\n    event: TouchEvent,\n    eventType: EventTypes,\n    index: number,\n    touchEventType: TouchEventType\n  ): AdaptedEvent {\n    const rect = this.view.getBoundingClientRect();\n    const clientX = event.changedTouches[index].clientX;\n    const clientY = event.changedTouches[index].clientY;\n\n    return {\n      x: clientX,\n      y: clientY,\n      offsetX: clientX - rect.left,\n      offsetY: clientY - rect.top,\n      pointerId: event.changedTouches[index].identifier,\n      eventType: eventType,\n      pointerType: PointerType.TOUCH,\n      time: event.timeStamp,\n      allTouches: event.touches,\n      changedTouches: event.changedTouches,\n      touchEventType: touchEventType,\n    };\n  }\n}\n"]}