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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include <utility>
#include "third_party/blink/renderer/modules/xr/xr_joint_space.h"
#include "third_party/blink/renderer/modules/xr/xr_hand.h"
#include "third_party/blink/renderer/modules/xr/xr_space.h"
#include "third_party/blink/renderer/modules/xr/xr_utils.h"
namespace blink {
XRJointSpace::XRJointSpace(XRHand* hand,
XRSession* session,
std::unique_ptr<gfx::Transform> mojo_from_joint,
device::mojom::blink::XRHandJoint joint,
float radius,
device::mojom::blink::XRHandedness handedness)
: XRSpace(session),
hand_(hand),
mojo_from_joint_space_(std::move(mojo_from_joint)),
joint_(joint),
radius_(radius),
handedness_(handedness) {}
std::optional<gfx::Transform> XRJointSpace::MojoFromNative() const {
return *mojo_from_joint_space_.get();
}
device::mojom::blink::XRNativeOriginInformationPtr XRJointSpace::NativeOrigin()
const {
device::mojom::blink::XRHandJointSpaceInfoPtr joint_space_info =
device::mojom::blink::XRHandJointSpaceInfo::New();
joint_space_info->handedness = this->handedness();
joint_space_info->joint = this->joint();
return device::mojom::blink::XRNativeOriginInformation::NewHandJointSpaceInfo(
std::move(joint_space_info));
}
bool XRJointSpace::EmulatedPosition() const {
return false;
}
XRPose* XRJointSpace::getPose(const XRSpace* other_space) const {
// If any of the spaces belonging to the same XRHand return null when
// populating the pose, all the spaces of that XRHand must also return
// null when populating the pose.
if (handHasMissingPoses()) {
return nullptr;
}
// Return the base class' value if we are tracked.
return XRSpace::getPose(other_space);
}
void XRJointSpace::UpdateTracking(
std::unique_ptr<gfx::Transform> mojo_from_joint,
float radius) {
mojo_from_joint_space_ = std::move(mojo_from_joint);
radius_ = radius;
}
bool XRJointSpace::IsStationary() const {
return false;
}
V8XRHandJoint XRJointSpace::jointName() const {
return V8XRHandJoint(MojomHandJointToV8Enum(joint_));
}
std::string XRJointSpace::ToString() const {
return "XRJointSpace";
}
bool XRJointSpace::handHasMissingPoses() const {
return hand_->hasMissingPoses();
}
void XRJointSpace::Trace(Visitor* visitor) const {
visitor->Trace(hand_);
XRSpace::Trace(visitor);
}
} // namespace blink
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