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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEBXR)
#include "MessageReceiver.h"
#include "PlatformXRCoordinator.h"
#include "ProcessThrottler.h"
#include <WebCore/ExceptionData.h>
#include <WebCore/PlatformXR.h>
#include <WebCore/SecurityOriginData.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class SecurityOriginData;
struct XRCanvasConfiguration;
namespace WebGPU {
enum class TextureFormat : uint8_t;
}
}
namespace WebKit {
class PlatformXRCoordinator;
class WebPageProxy;
struct SharedPreferencesForWebProcess;
struct XRDeviceInfo;
class PlatformXRSystem : public IPC::MessageReceiver, public PlatformXRCoordinatorSessionEventClient, public RefCounted<PlatformXRSystem> {
WTF_MAKE_TZONE_ALLOCATED(PlatformXRSystem);
public:
static Ref<PlatformXRSystem> create(WebPageProxy& page)
{
return adoptRef(*new PlatformXRSystem(page));
}
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
virtual ~PlatformXRSystem();
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess(IPC::Connection&) const;
USING_CAN_MAKE_WEAKPTR(PlatformXRCoordinatorSessionEventClient);
enum class InvalidationReason : uint8_t {
Client,
State
};
void invalidate(InvalidationReason invalidateReason = InvalidationReason::State);
bool hasActiveSession() const { return !!m_immersiveSessionActivity; }
void ensureImmersiveSessionActivity();
private:
explicit PlatformXRSystem(WebPageProxy&);
static PlatformXRCoordinator* xrCoordinator();
bool webXREnabled() const;
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&) final;
// Message handlers
void enumerateImmersiveXRDevices(CompletionHandler<void(Vector<XRDeviceInfo>&&)>&&);
void requestPermissionOnSessionFeatures(IPC::Connection&, const WebCore::SecurityOriginData&, PlatformXR::SessionMode, const PlatformXR::Device::FeatureList&, const PlatformXR::Device::FeatureList&, const PlatformXR::Device::FeatureList&, const PlatformXR::Device::FeatureList&, const PlatformXR::Device::FeatureList&, CompletionHandler<void(std::optional<PlatformXR::Device::FeatureList>&&)>&&);
void initializeTrackingAndRendering(IPC::Connection&, std::optional<WebCore::WebGPU::TextureFormat>, std::optional<WebCore::WebGPU::TextureFormat>);
void shutDownTrackingAndRendering(IPC::Connection&);
void requestFrame(IPC::Connection&, std::optional<PlatformXR::RequestData>&&, CompletionHandler<void(PlatformXR::FrameData&&)>&&);
#if USE(OPENXR)
void createLayerProjection(IPC::Connection&, uint32_t width, uint32_t height, bool alpha, CompletionHandler<void(std::optional<PlatformXR::LayerHandle>)>&&);
void submitFrame(IPC::Connection&, Vector<XRDeviceLayer>&&);
#else
void submitFrame(IPC::Connection&);
#endif
#if ENABLE(WEBXR_HIT_TEST)
void requestHitTestSource(const PlatformXR::HitTestOptions&, CompletionHandler<void(Expected<PlatformXR::HitTestSource, WebCore::ExceptionData>)>&&);
void deleteHitTestSource(PlatformXR::HitTestSource);
void requestTransientInputHitTestSource(const PlatformXR::TransientInputHitTestOptions&, CompletionHandler<void(Expected<PlatformXR::TransientInputHitTestSource, WebCore::ExceptionData>)>&&);
void deleteTransientInputHitTestSource(PlatformXR::TransientInputHitTestSource);
#endif
void didCompleteShutdownTriggeredBySystem(IPC::Connection&);
// PlatformXRCoordinatorSessionEventClient
void sessionDidEnd(XRDeviceIdentifier) final;
void sessionDidUpdateVisibilityState(XRDeviceIdentifier, PlatformXR::VisibilityState) final;
std::optional<PlatformXR::SessionMode> m_immersiveSessionMode;
std::optional<WebCore::SecurityOriginData> m_immersiveSessionSecurityOriginData;
std::optional<PlatformXR::Device::FeatureList> m_immersiveSessionGrantedFeatures;
enum class ImmersiveSessionState : uint8_t {
Idle,
RequestingPermissions,
PermissionsGranted,
SessionRunning,
SessionEndingFromWebContent,
SessionEndingFromSystem,
};
ImmersiveSessionState m_immersiveSessionState { ImmersiveSessionState::Idle };
void setImmersiveSessionState(ImmersiveSessionState, CompletionHandler<void(bool)>&&);
void invalidateImmersiveSessionState(ImmersiveSessionState nextSessionState = ImmersiveSessionState::Idle);
WeakPtr<WebPageProxy> m_page;
RefPtr<ProcessThrottler::ForegroundActivity> m_immersiveSessionActivity;
};
} // namespace WebKit
#endif // ENABLE(WEBXR)
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