| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef DEVICE_VR_ORIENTATION_ORIENTATION_DEVICE_H_ |
| #define DEVICE_VR_ORIENTATION_ORIENTATION_DEVICE_H_ |
| |
| #include <memory> |
| |
| #include "base/component_export.h" |
| #include "base/functional/callback_forward.h" |
| #include "base/threading/simple_thread.h" |
| #include "build/build_config.h" |
| #include "device/vr/public/mojom/vr_service.mojom.h" |
| #include "device/vr/vr_device_base.h" |
| #include "mojo/public/cpp/bindings/receiver.h" |
| #include "mojo/public/cpp/bindings/remote.h" |
| #include "services/device/public/mojom/sensor_provider.mojom.h" |
| #include "ui/gfx/geometry/quaternion.h" |
| |
| namespace device { |
| |
| class SensorReadingSharedBufferReader; |
| class VROrientationSession; |
| |
| // Use RELATIVE_ORIENTATION_QUATERNION rather than |
| // ABSOLUTE_ORIENTATION_QUATERNION because compass readings can be inacurate |
| // when used indoors, unless we're on Windows which doesn't support |
| // RELATIVE_ORIENTATION_QUATERNION. |
| // TODO(crbug.com/41323676) If RELATIVE_ORIENTATION_QUATERNION is ever |
| // implemented on Windows, use that instead. |
| static constexpr mojom::SensorType kOrientationSensorType = |
| #if BUILDFLAG(IS_WIN) |
| mojom::SensorType::ABSOLUTE_ORIENTATION_QUATERNION; |
| #else |
| mojom::SensorType::RELATIVE_ORIENTATION_QUATERNION; |
| #endif |
| |
| // This class connects the orientation sensor events to the Web VR apis. |
| class COMPONENT_EXPORT(VR_ORIENTATION) VROrientationDevice |
| : public VRDeviceBase, |
| public mojom::SensorClient { |
| public: |
| VROrientationDevice(mojom::SensorProvider* sensor_provider, |
| base::OnceClosure ready_callback); |
| ~VROrientationDevice() override; |
| |
| // VRDevice |
| void RequestSession( |
| mojom::XRRuntimeSessionOptionsPtr options, |
| mojom::XRRuntime::RequestSessionCallback callback) override; |
| void ShutdownSession(mojom::XRRuntime::ShutdownSessionCallback) override; |
| |
| // Indicates whether the device was able to connect to orientation events. |
| bool IsAvailable() const { return available_; } |
| |
| void EndMagicWindowSession(VROrientationSession* session); |
| virtual void GetInlineFrameData( |
| mojom::XRFrameDataProvider::GetFrameDataCallback callback); |
| |
| private: |
| // SensorClient Functions. |
| void RaiseError() override; |
| void SensorReadingChanged() override {} |
| |
| // Sensor event reaction functions. |
| void SensorReady(device::mojom::SensorCreationResult result, |
| device::mojom::SensorInitParamsPtr params); |
| void HandleSensorError(); |
| void OnSensorAddConfiguration(bool success); |
| |
| gfx::Quaternion SensorSpaceToWorldSpace(gfx::Quaternion q); |
| gfx::Quaternion WorldSpaceToUserOrientedSpace(gfx::Quaternion q); |
| |
| bool available_ = false; |
| base::OnceClosure ready_callback_; |
| |
| // The initial state of the world used to define forwards. |
| std::optional<gfx::Quaternion> base_pose_; |
| gfx::Quaternion latest_pose_; |
| |
| mojo::Remote<mojom::Sensor> sensor_; |
| std::unique_ptr<SensorReadingSharedBufferReader> shared_buffer_reader_; |
| mojo::Receiver<mojom::SensorClient> receiver_{this}; |
| |
| std::vector<std::unique_ptr<VROrientationSession>> magic_window_sessions_; |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_VR_ORIENTATION_ORIENTATION_DEVICE_H_ |