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// Copyright 2019 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_PLANE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_PLANE_H_
#include <optional>
#include "device/vr/public/mojom/pose.h"
#include "device/vr/public/mojom/vr_service.mojom-blink-forward.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/core/geometry/dom_point_read_only.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "ui/gfx/geometry/transform.h"
namespace blink {
class V8XRPlaneOrientation;
class XRSession;
class XRSpace;
template <typename IDLType>
class FrozenArray;
class XRPlane : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
enum class Orientation { kHorizontal, kVertical };
XRPlane(uint64_t id,
XRSession* session,
const device::mojom::blink::XRPlaneData& plane_data,
double timestamp);
uint64_t id() const;
XRSpace* planeSpace() const;
std::optional<gfx::Transform> MojoFromObject() const;
device::mojom::blink::XRNativeOriginInformationPtr NativeOrigin() const;
std::optional<V8XRPlaneOrientation> orientation() const;
const FrozenArray<DOMPointReadOnly>& polygon() const;
double lastChangedTime() const;
// Updates plane data from passed in |plane_data|. The resulting instance
// should be equivalent to the instance that would be create by calling
// XRPlane(plane_data).
void Update(const device::mojom::blink::XRPlaneData& plane_data,
double timestamp);
bool IsStationary() const {
// Plane objects are not considered stationary since their pose may vary
// dramatically from frame to frame (it depends on the plane boundary,
// drastic changes in plane boundary will cause the pose to change a lot).
return false;
}
void Trace(Visitor* visitor) const override;
private:
XRPlane(uint64_t id,
XRSession* session,
const std::optional<Orientation>& orientation,
HeapVector<Member<DOMPointReadOnly>> polygon,
const std::optional<device::Pose>& mojo_from_plane,
double timestamp);
const uint64_t id_;
Member<FrozenArray<DOMPointReadOnly>> polygon_;
std::optional<Orientation> orientation_;
// Plane center's pose in device (mojo) space. Nullptr if the pose of the
// anchor is unknown in the current frame.
std::optional<device::Pose> mojo_from_plane_;
Member<XRSession> session_;
double last_changed_time_;
// Cached plane space - it will be created by `planeSpace()` if it's not set.
mutable Member<XRSpace> plane_space_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_PLANE_H_
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