NavigatorWebVR.cpp [plain text]
#include "config.h"
#include "NavigatorWebVR.h"
#include "Document.h"
#include "JSDOMPromiseDeferred.h"
#include "JSVRDisplay.h"
#include "Navigator.h"
#include "RuntimeEnabledFeatures.h"
#include "VRDisplay.h"
#include "VRManager.h"
#include "VRPlatformDisplay.h"
namespace WebCore {
void NavigatorWebVR::getVRDisplays(Navigator& navigator, Document& document, GetVRDisplaysPromise&& promise)
{
if (!RuntimeEnabledFeatures::sharedFeatures().webVREnabled()) {
promise.reject();
return;
}
NavigatorWebVR::from(&navigator)->getVRDisplays(document, WTFMove(promise));
}
void NavigatorWebVR::getVRDisplays(Document& document, GetVRDisplaysPromise&& promise)
{
document.postTask([this, promise = WTFMove(promise)] (ScriptExecutionContext& context) mutable {
Optional<VRManager::VRDisplaysVector> platformDisplays = VRManager::singleton().getVRDisplays();
if (!platformDisplays) {
promise.reject();
m_displays.clear();
return;
}
Vector<Ref<VRDisplay>> oldDisplays = WTFMove(m_displays);
for (auto& platformDisplay : platformDisplays.value()) {
bool newDisplay = true;
for (auto& oldDisplay : oldDisplays) {
if (platformDisplay->getDisplayInfo().displayIdentifier() == oldDisplay->displayId()) {
newDisplay = false;
m_displays.append(oldDisplay.copyRef());
break;
}
}
if (newDisplay) {
m_displays.append(VRDisplay::create(context, WTFMove(platformDisplay)));
m_displays.last()->platformDisplayConnected();
}
}
promise.resolve(WTF::map(m_displays, [](const Ref<VRDisplay>& display) {
return display.copyRef();
}));
});
}
const Vector<RefPtr<VRDisplay>>& NavigatorWebVR::activeVRDisplays(Navigator&)
{
static auto mockVector = makeNeverDestroyed(Vector<RefPtr<VRDisplay>> { });
return mockVector;
}
const char* NavigatorWebVR::supplementName()
{
return "NavigatorWebVR";
}
NavigatorWebVR* NavigatorWebVR::from(Navigator* navigator)
{
NavigatorWebVR* supplement = static_cast<NavigatorWebVR*>(Supplement<Navigator>::from(navigator, supplementName()));
if (!supplement) {
auto newSupplement = makeUnique<NavigatorWebVR>();
supplement = newSupplement.get();
provideTo(navigator, supplementName(), WTFMove(newSupplement));
}
return supplement;
}
}