#include "config.h"
#include "VRManager.h"
#include "VRPlatformDisplay.h"
#include "VRPlatformManager.h"
#if USE(OPENVR)
#include "VRPlatformManagerOpenVR.h"
#endif
namespace WebCore {
VRManager& VRManager::singleton()
{
static NeverDestroyed<VRManager> instance;
return instance;
}
VRManager::VRManager()
{
#if USE(OPENVR)
m_platformManager = VRPlatformManagerOpenVR::create();
#endif
}
VRManager::~VRManager()
{
m_platformManager = nullptr;
}
std::optional<VRManager::VRDisplaysVector> VRManager::getVRDisplays()
{
if (!m_platformManager)
return std::nullopt;
auto displays = m_platformManager->getVRDisplays();
VRDisplaysHashMap newDisplays;
for (auto& display : displays) {
ASSERT(display);
newDisplays.add(display->getDisplayInfo().displayIdentifier(), display);
VRPlatformDisplayInfo info = display->getDisplayInfo();
auto iterator = m_displays.find(info.displayIdentifier());
if (iterator == m_displays.end())
continue;
display->updateDisplayInfo();
VRPlatformDisplayInfo newInfo = display->getDisplayInfo();
if (info.isConnected() != newInfo.isConnected())
display->notifyVRPlatformDisplayEvent(newInfo.isConnected() ? VRPlatformDisplay::Event::Connected : VRPlatformDisplay::Event::Disconnected);
if (info.isMounted() != newInfo.isMounted())
display->notifyVRPlatformDisplayEvent(newInfo.isMounted() ? VRPlatformDisplay::Event::Mounted : VRPlatformDisplay::Event::Unmounted);
}
for (auto& iter : m_displays) {
ASSERT(iter.value);
if (!newDisplays.contains(iter.key))
iter.value->notifyVRPlatformDisplayEvent(VRPlatformDisplay::Event::Disconnected);
}
m_displays = WTFMove(newDisplays);
return displays;
}
};