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This prevents counter from going to negative values, when pointers are removed from view after one of them has been cancelled\n  }\n  protected onPointerOutOfBounds(_event: AdaptedEvent): void {}\n  protected onPointerMoveOver(_event: AdaptedEvent): void {}\n  protected onPointerMoveOut(_event: AdaptedEvent): void {}\n\n  public setOnPointerDown(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerDown = callback;\n  }\n  public setOnPointerAdd(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerAdd = callback;\n  }\n  public setOnPointerUp(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerUp = callback;\n  }\n  public setOnPointerRemove(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerRemove = callback;\n  }\n  public setOnPointerMove(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerMove = callback;\n  }\n  public setOnPointerLeave(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerLeave = callback;\n  }\n  public setOnPointerEnter(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerEnter = callback;\n  }\n  public setOnPointerCancel(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerCancel = callback;\n  }\n  public setOnPointerOutOfBounds(\n    callback: (event: AdaptedEvent) => void\n  ): void {\n    this.onPointerOutOfBounds = callback;\n  }\n  public setOnPointerMoveOver(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerMoveOver = callback;\n  }\n  public setOnPointerMoveOut(callback: (event: AdaptedEvent) => void): void {\n    this.onPointerMoveOut = callback;\n  }\n\n  protected markAsInBounds(pointerId: number): void {\n    if (this.pointersInBounds.indexOf(pointerId) >= 0) {\n      return;\n    }\n\n    this.pointersInBounds.push(pointerId);\n  }\n\n  protected markAsOutOfBounds(pointerId: number): void {\n    const index: number = this.pointersInBounds.indexOf(pointerId);\n\n    if (index < 0) {\n      return;\n    }\n\n    this.pointersInBounds.splice(index, 1);\n  }\n\n  public resetManager(): void {\n    // Reseting activePointersCounter is necessary to make gestures such as pinch work properly\n    // There are gestures that end when there is still one active pointer (like pinch/rotation)\n    // When these gestures end, they are reset, but they still receive events from pointer that is active\n    // This causes trouble, since only onPointerDown registers gesture in orchestrator, and while gestures receive\n    // Events from active pointer after they finished, next pointerdown event will be registered as additional pointer, not the first one\n    // This casues trouble like gestures getting stuck in END state, even though they should have gone to UNDETERMINED\n\n    this.activePointersCounter = 0;\n    this.pointersInBounds = [];\n  }\n}\n"]}