device/vr/windows_mixed_reality/wrappers/wmr_pointer_pose.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 DEVICE_VR_WINDOWS_MIXED_REALITY_WRAPPERS_WMR_POINTER_POSE_H_
#define DEVICE_VR_WINDOWS_MIXED_REALITY_WRAPPERS_WMR_POINTER_POSE_H_

#include <windows.perception.spatial.h>
#include <windows.ui.input.spatial.h>
#include <wrl.h>

#include "base/macros.h"

namespace device {
class WMRInputSource;
class WMRPointerSourcePose;
class WMRPointerPose {
 public:
  explicit WMRPointerPose(
      Microsoft::WRL::ComPtr<
          ABI::Windows::UI::Input::Spatial::ISpatialPointerPose> pointer_pose);
  virtual ~WMRPointerPose();

  bool IsValid() const;

  // Uses ISpatialPointerPose2.
  bool TryGetInteractionSourcePose(
      const WMRInputSource& source,
      WMRPointerSourcePose* pointer_source_pose) const;

  // Uses IHeadPose.
  ABI::Windows::Foundation::Numerics::Vector3 HeadForward() const;

 private:
  Microsoft::WRL::ComPtr<ABI::Windows::UI::Input::Spatial::ISpatialPointerPose>
      pointer_pose_;
  Microsoft::WRL::ComPtr<ABI::Windows::UI::Input::Spatial::ISpatialPointerPose2>
      pointer_pose2_;

  // This is a simple interface, so expose it directly rather than create
  // a new wrapper class.
  Microsoft::WRL::ComPtr<ABI::Windows::Perception::People::IHeadPose> head_;
  DISALLOW_COPY(WMRPointerPose);
};
}  // namespace device

#endif  // DEVICE_VR_WINDOWS_MIXED_REALITY_WRAPPERS_WMR_POINTER_POSE_H_