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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.
*/
#include "config.h"
#include "PlatformXRSystem.h"
#if ENABLE(WEBXR)
#include "PlatformXRCoordinator.h"
#include "PlatformXRSystemMessages.h"
#include "PlatformXRSystemProxyMessages.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
namespace WebKit {
PlatformXRSystem::PlatformXRSystem(WebPageProxy& page)
: m_page(page)
{
m_page.process().addMessageReceiver(Messages::PlatformXRSystem::messageReceiverName(), m_page.webPageID(), *this);
}
PlatformXRSystem::~PlatformXRSystem()
{
m_page.process().removeMessageReceiver(Messages::PlatformXRSystem::messageReceiverName(), m_page.webPageID());
}
void PlatformXRSystem::invalidate()
{
if (xrCoordinator())
xrCoordinator()->endSessionIfExists(m_page);
}
void PlatformXRSystem::enumerateImmersiveXRDevices(CompletionHandler<void(Vector<XRDeviceInfo>&&)>&& completionHandler)
{
auto* xrCoordinator = PlatformXRSystem::xrCoordinator();
if (!xrCoordinator) {
completionHandler({ });
return;
}
xrCoordinator->getPrimaryDeviceInfo([completionHandler = WTFMove(completionHandler)](std::optional<XRDeviceInfo> deviceInfo) mutable {
RunLoop::main().dispatch([completionHandler = WTFMove(completionHandler), deviceInfo = WTFMove(deviceInfo)]() mutable {
if (!deviceInfo) {
completionHandler({ });
return;
}
completionHandler({ deviceInfo.value() });
});
});
}
void PlatformXRSystem::initializeTrackingAndRendering()
{
auto* xrCoordinator = PlatformXRSystem::xrCoordinator();
if (!xrCoordinator)
return;
xrCoordinator->startSession(m_page, [weakThis = makeWeakPtr(*this)](XRDeviceIdentifier deviceIdentifier) {
RunLoop::main().dispatch([weakThis, deviceIdentifier]() mutable {
if (weakThis)
weakThis->m_page.send(Messages::PlatformXRSystemProxy::SessionDidEnd(deviceIdentifier));
});
});
}
void PlatformXRSystem::shutDownTrackingAndRendering()
{
if (auto* xrCoordinator = PlatformXRSystem::xrCoordinator())
xrCoordinator->endSessionIfExists(m_page);
}
void PlatformXRSystem::requestFrame(CompletionHandler<void(PlatformXR::Device::FrameData&&)>&& completionHandler)
{
if (auto* xrCoordinator = PlatformXRSystem::xrCoordinator())
xrCoordinator->scheduleAnimationFrame(m_page, WTFMove(completionHandler));
}
void PlatformXRSystem::submitFrame()
{
if (auto* xrCoordinator = PlatformXRSystem::xrCoordinator())
xrCoordinator->submitFrame(m_page);
}
}
#if !USE(APPLE_INTERNAL_SDK)
namespace WebKit {
PlatformXRCoordinator* PlatformXRSystem::xrCoordinator()
{
return nullptr;
}
}
#endif
#endif // ENABLE(WEBXR)
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