third_party/blink/renderer/modules/xr/xr_target_ray_space.h

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_TARGET_RAY_SPACE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_TARGET_RAY_SPACE_H_

#include <memory>

#include "third_party/blink/renderer/modules/xr/xr_space.h"

namespace blink {

class XRTargetRaySpace : public XRSpace {
 public:
  XRTargetRaySpace(XRSession*, XRInputSource*);
  XRPose* getPose(XRSpace* other_space,
                  const TransformationMatrix* base_pose_matrix) override;

  void Trace(blink::Visitor*) override;

 private:
  std::unique_ptr<TransformationMatrix> OtherSpaceFromScreenTap(
      XRSpace* other_space,
      const TransformationMatrix& mojo_from_viewer);
  std::unique_ptr<TransformationMatrix> OtherSpaceFromTrackedPointer(
      XRSpace* other_space,
      const TransformationMatrix& mojo_from_viewer);

  Member<XRInputSource> input_source_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_TARGET_RAY_SPACE_H_