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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.
#include "third_party/blink/renderer/modules/xr/xr_grip_space.h"
#include <utility>
#include "third_party/blink/renderer/modules/xr/xr_input_source.h"
#include "third_party/blink/renderer/modules/xr/xr_pose.h"
namespace blink {
XRGripSpace::XRGripSpace(XRSession* session, XRInputSource* source)
: XRSpace(session), input_source_(source) {}
std::optional<gfx::Transform> XRGripSpace::MojoFromNative() const {
// Grip is only available when using tracked pointer for input.
if (input_source_->TargetRayMode() !=
device::mojom::XRTargetRayMode::POINTING) {
return std::nullopt;
}
return input_source_->MojoFromInput();
}
bool XRGripSpace::EmulatedPosition() const {
return input_source_->emulatedPosition();
}
device::mojom::blink::XRNativeOriginInformationPtr XRGripSpace::NativeOrigin()
const {
// Grip space's native origin is valid only when using tracked pointer for
// input.
if (input_source_->TargetRayMode() !=
device::mojom::XRTargetRayMode::POINTING) {
return nullptr;
}
return device::mojom::blink::XRNativeOriginInformation::
NewInputSourceSpaceInfo(device::mojom::blink::XRInputSourceSpaceInfo::New(
input_source_->source_id(),
device::mojom::blink::XRInputSourceSpaceType::kGrip));
}
bool XRGripSpace::IsStationary() const {
// Grip space is a space derived off of input source, so it is not considered
// stationary.
return false;
}
std::string XRGripSpace::ToString() const {
return "XRGripSpace";
}
void XRGripSpace::Trace(Visitor* visitor) const {
visitor->Trace(input_source_);
XRSpace::Trace(visitor);
}
} // namespace blink
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