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// Copyright 2018 The Chromium Authors
// 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_REFERENCE_SPACE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_REFERENCE_SPACE_H_
#include <memory>
#include <string>
#include "device/vr/public/mojom/vr_service.mojom-blink.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_xr_reference_space_type.h"
#include "third_party/blink/renderer/modules/xr/xr_space.h"
#include "ui/gfx/geometry/transform.h"
namespace blink {
class XRRigidTransform;
class XRReferenceSpace : public XRSpace {
DEFINE_WRAPPERTYPEINFO();
public:
static device::mojom::blink::XRReferenceSpaceType V8EnumToReferenceSpaceType(
V8XRReferenceSpaceType::Enum reference_space_type);
XRReferenceSpace(XRSession* session,
device::mojom::blink::XRReferenceSpaceType type);
XRReferenceSpace(XRSession* session,
XRRigidTransform* origin_offset,
device::mojom::blink::XRReferenceSpaceType type);
~XRReferenceSpace() override;
std::optional<gfx::Transform> NativeFromViewer(
const std::optional<gfx::Transform>& mojo_from_viewer) const override;
std::optional<gfx::Transform> MojoFromNative() const override;
bool IsStationary() const override;
gfx::Transform NativeFromOffsetMatrix() const override;
gfx::Transform OffsetFromNativeMatrix() const override;
// We override getPose to ensure that the viewer pose in viewer space returns
// the identity pose instead of the result of multiplying inverse matrices.
XRPose* getPose(const XRSpace* other_space) const override;
device::mojom::blink::XRReferenceSpaceType GetType() const;
XRReferenceSpace* getOffsetReferenceSpace(XRRigidTransform* transform) const;
DEFINE_ATTRIBUTE_EVENT_LISTENER(reset, kReset)
device::mojom::blink::XRNativeOriginInformationPtr NativeOrigin() const final;
std::string ToString() const override;
void Trace(Visitor*) const override;
virtual void OnReset();
private:
virtual XRReferenceSpace* cloneWithOriginOffset(
XRRigidTransform* origin_offset) const;
std::optional<gfx::Transform> GetMojoFromFloorFallback() const;
Member<XRRigidTransform> origin_offset_;
device::mojom::blink::XRReferenceSpaceType type_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_REFERENCE_SPACE_H_
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